Merge pull request #4645 from akohlmey/improve-tests-for-set

Add or improve unit test programs to improve test coverage and specifically check recent additions

.github/CODEOWNERS

@@ -50,6 +50,7 @@ src/PTM/*             @pmla
 src/QMMM/*            @akohlmey
 src/REACTION/*        @jrgissing
 src/REAXFF/*          @hasanmetin @stanmoore1
+src/RHEO/*            @jtclemm
 src/SCAFACOS/*        @rhalver
 src/SNAP/*            @athomps
 src/SPIN/*            @julient31
@@ -65,9 +66,15 @@ src/MANYBODY/pair_vashishta_table.* @andeplane
 src/MANYBODY/pair_atm.*             @sergeylishchuk
 src/MANYBODY/pair_nb3b_screened.*   @flodesani
 src/REPLICA/*_grem.*                @dstelter92
+src/EXTRA-COMMAND/geturl.*          @akohlmey
+src/EXTRA-COMMAND/group_ndx.*       @akohlmey
+src/EXTRA-COMMAND/ndx_group.*       @akohlmey
 src/EXTRA-COMPUTE/compute_stress_mop*.* @RomainVermorel
 src/EXTRA-COMPUTE/compute_born_matrix.* @Bibobu @athomps
+src/EXTRA-DUMP/dump_extxyz.*          @fxcoudert
 src/EXTRA-FIX/fix_deform_pressure.* @jtclemm
+src/EXTRA-PAIR/pair_dispersion_d3.* @soniasolomoni @arthurfl
+src/EXTRA-PAIR/d3_parameters.h      @soniasolomoni @arthurfl
 src/MISC/*_tracker.*                @jtclemm
 src/MC/fix_gcmc.*                   @athomps
 src/MC/fix_sgcmc.*                  @athomps
@@ -95,9 +102,11 @@ src/fix.*                 @sjplimp
 src/force.*               @sjplimp
 src/group.*               @sjplimp
 src/improper.*            @sjplimp
+src/info.*                @akohlmey
 src/kspace.*              @sjplimp
-src/lmptyp.h              @sjplimp
-src/library.*             @sjplimp
+src/lmptype.h             @sjplimp
+src/label_map.*           @jrgissing @akohlmey
+src/library.*             @sjplimp @akohlmey
 src/main.cpp              @sjplimp
 src/min_*.*               @sjplimp
 src/memory.*              @sjplimp
@@ -105,12 +114,12 @@ src/modify.*              @sjplimp @stanmoore1
 src/molecule.*            @sjplimp
 src/my_page.h             @sjplimp
 src/my_pool_chunk.h       @sjplimp
-src/npair*.*              @sjplimp
-src/ntopo*.*              @sjplimp
-src/nstencil*.*           @sjplimp
-src/neighbor.*            @sjplimp
-src/nbin*.*               @sjplimp
-src/neigh_*.*             @sjplimp
+src/npair*.*              @sjplimp @jtclemm
+src/ntopo*.*              @sjplimp @jtclemm
+src/nstencil*.*           @sjplimp @jtclemm
+src/neighbor.*            @sjplimp @jtclemm
+src/nbin*.*               @sjplimp @jtclemm
+src/neigh_*.*             @sjplimp @jtclemm
 src/output.*              @sjplimp
 src/pair.*                @sjplimp
 src/rcb.*                 @sjplimp

.github/release_steps.md

@@ -0,0 +1,370 @@
+# LAMMPS Release Steps
+
+The following notes chronicle the current steps for preparing and
+publishing LAMMPS releases.  For definitions of LAMMPS versions and
+releases, please refer to [the corresponding section in the LAMMPS
+manual](https://docs.lammps.org/Manual_version.html).
+
+## LAMMPS Feature Release
+
+A LAMMPS feature release is currently prepared after about 500 to 750
+commits to the 'develop' branch or after a period of four weeks up to
+two months.  This is not a fixed rule, though, since external
+circumstances can cause delays in preparing a release, or pull requests
+that are desired to be merged for the release are not yet completed.
+
+### Preparing a 'next\_release' branch
+
+Create a 'next\_release' branch off 'develop' and make the following changes:
+
+- set the LAMMPS\_VERSION define to the planned release date in
+  src/version.h in the format "D Mmm YYYY" or "DD Mmm YYYY"
+- remove the LAMMPS\_UPDATE define in src/version.h
+- update the release date in doc/lammps.1
+- update all TBD arguments for ..versionadded::, ..versionchanged::
+  ..deprecated:: to the planned release date in the format "DMmmYYYY" or
+  "DDMmmYYYY"
+- check release notes for merged new features and check if
+  ..versionadded:: or ..versionchanged:: are missing and need to be
+  added
+
+Submit this pull request.  This is the last pull request merged for the
+release and should not contain any other changes. (Exceptions: this
+document, last minute trivial(!) changes).
+
+This PR shall not be merged before **all** pending tests have completed
+and cleared.  We currently use a mix of automated tests running on
+either Temple's Jenkins cluster or GitHub workflows.  Those include time
+consuming tests not run on pull requests.  If needed, a bug-fix pull
+request should be created and merged to clear all tests.
+
+### Create release on GitHub
+
+When all pending pull requests for the release are merged and have
+cleared testing, the 'next\_release' branch is merged into 'develop'.
+
+Check out or update the 'develop' branch locally, pull the latest
+changes, merge them into 'release' with a fast forward(!) merge, and
+apply a suitable release tag (for historical reasons the tag starts with
+"patch_" followed by the date, and finally push everything back to
+GitHub.  There should be no commits made to 'release' but only
+fast forward merges.  Example:
+
+```
+git checkout develop
+git pull
+git checkout release
+git pull
+git merge --ff-only develop
+git tag -s -m "LAMMPS feature release 4 February 2025" patch_4Feb2025
+git push git@github.com:lammps/lammps.git --tags develop release
+```
+
+Applying this tag will trigger two actions on the Temple Jenkins cluster:
+- The online manual at https://docs.lammps.org/ will be updated to the
+  state of the 'release' branch.  Merges to the 'develop' branch will
+  trigger updating https://docs.lammps.org/latest/ so by reviewing the
+  version of the manual under the "latest" URL, it is possible to preview
+  what the updated release documentation will look like.
+- A downloadable tar archive of the LAMMPS distribution that includes the
+  html format documentation and a PDF of the manual will be created and
+  uploaded to the download server at https://download.lammps.org/tars
+  Note that the file is added, but the `index.html` file is not updated,
+  so it is not yet publicly visible.
+
+Go to https://github.com/lammps/lammps/releases and create a new (draft)
+release page with a summary of all the changes included and references
+to the pull requests they were merged from or check the existing draft
+for any necessary changes from pull requests that were merged but are
+not listed.  Then select the applied tag for the release in the "Choose
+a tag" drop-down list. Go to the bottom of the list and select the "Set
+as pre-release" checkbox.  The "Set as the latest release" button is
+reserved for stable releases and updates to them.
+
+If everything is in order, you can click on the "Publish release"
+button.  Otherwise, click on "Save draft" and finish pending tasks until
+you can return to edit the release page and publish it.
+
+### Prepare pre-compiled packages, update packages to GitHub
+
+A suitable build environment is provided with the
+https://download.lammps.org/static/fedora41_musl_mingw.sif container
+image.  The corresponding container build definition file is maintained
+in the tools/singularity folder of the LAMMPS source distribution.
+
+#### Fully portable static Linux x86_64 non-MPI binaries
+
+The following commands use the Fedora container to build a fully static
+LAMMPS installation using a musl-libc cross-compiler, install it into a
+`lammps-static` folder, and create a tarball called
+`lammps-linux-x86_64-4Feb2025.tar.gz` (or using a corresponding date
+with a future release) from the `lammps-static` folder.
+
+``` sh
+rm -rf release-packages
+mkdir release-packages
+cd release-packages
+wget https://download.lammps.org/static/fedora41_musl_mingw.sif
+apptainer shell fedora41_musl_mingw.sif
+git clone -b release --depth 10 https://github.com/lammps/lammps.git lammps-release
+cmake -S lammps-release/cmake -B build-release -G Ninja -D CMAKE_INSTALL_PREFIX=$PWD/lammps-static -D CMAKE_TOOLCHAIN_FILE=/usr/musl/share/cmake/linux-musl.cmake -C lammps-release/cmake/presets/most.cmake -C lammps-release/cmake/presets/kokkos-openmp.cmake -D DOWNLOAD_POTENTIALS=OFF -D BUILD_MPI=OFF -D BUILD_TESTING=OFF -D CMAKE_BUILD_TYPE=Release -D PKG_ATC=ON -D PKG_AWPMD=ON -D PKG_MANIFOLD=ON -D PKG_MESONT=ON -D PKG_MGPT=ON -D PKG_ML-PACE=ON -D PKG_ML-RANN=ON -D PKG_MOLFILE=ON -D PKG_PTM=ON -D PKG_QTB=ON -D PKG_SMTBQ=ON
+cmake --build build-release --target all
+cmake --build build-release --target install
+/usr/musl/bin/x86_64-linux-musl-strip -g lammps-static/bin/*
+tar -czvvf ../lammps-linux-x86_64-4Feb2025.tar.gz lammps-static
+exit # fedora 41 container
+cd ..
+```
+
+The resulting tar archive can be uploaded to the GitHub release page with:
+
+``` sh
+gh release upload patch_4Feb2025 lammps-linux-x86_64-4Feb2025.tar.gz
+```
+
+#### Linux x86_64 Flatpak bundle with GUI included
+
+Make sure you have the `flatpak` and `flatpak-builder` packages
+installed locally (they require binaries that run with elevated
+privileges and thus cannot be used from the container) and build a
+LAMMPS and LAMMPS-GUI flatpak bundle in the `release-packages` folder
+with:
+
+``` sh
+cd release-packages
+flatpak --user remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
+flatpak-builder  --force-clean --verbose --repo=$PWD/flatpak-repo --install-deps-from=flathub --state-dir=$PWD --user --ccache --default-branch=release flatpak-build lammps-release/tools/lammps-gui/org.lammps.lammps-gui.yml
+flatpak build-bundle --runtime-repo=https://flathub.org/repo/flathub.flatpakrepo --verbose $PWD/flatpak-repo ../LAMMPS-Linux-x86_64-GUI-4Feb2025.flatpak org.lammps.lammps-gui release
+cd ..
+```
+
+The resulting flatpak bundle file can be uploaded to the GitHub release page with:
+
+``` sh
+gh release upload patch_4Feb2025 LAMMPS-Linux-x86_64-GUI-4Feb2025.flatpak
+```
+
+#### LAMMPS Source tarball
+
+The container for the static binary can also be used to prepare the source
+tarball including the HTML and PDF manual (this is currently done automatically
+when the releases is created and the tarball uploaded to https://download.lammps.org/tars/).
+The steps are as follows:
+
+``` sh
+cd release-packages
+apptainer shell fedora41_musl_mingw.sif
+cd lammps-release
+rm -f ../release.tar*
+git archive --output=../release.tar --prefix=lammps-4Feb2025/ HEAD
+cd doc
+make clean-all
+make html pdf
+tar -rf ../../release.tar --transform 's,^,lammps-4Feb2025/doc/,' html Manual.pdf
+gzip -9v ../../release.tar
+mv ../../release.tar.gz ../../lammps-src-4Feb2025.tar.gz
+exit # fedora41 container
+cd ..
+```
+
+The resulting source tarball can be uploaded to the GitHub release page with:
+
+``` sh
+gh release upload patch_4Feb2025 lammps-src-4Feb2025.tar.gz
+```
+
+#### Build Windows Installer Packages with MinGW Linux-to-Windows Cross-compiler
+
+The various Windows installer packages can also be built with
+apptainer container image.
+
+``` sh
+cd release-packages
+apptainer shell fedora41_musl_mingw.sif
+git clone --depth 10 https://github.com/lammps/lammps-packages.git lammps-packages
+cd lammps-packages/mingw-cross
+ln -sf ../../lammps-release lammps
+./buildall.sh release >& mk.log & less +F mk.log
+```
+
+The installer with the GUI included can be uploaded to the GitHub release page with:
+
+``` sh
+ln -sf LAMMPS-64bit-GUI-4Feb2025.exe LAMMPS-Win10-64bit-GUI-4Feb2025.exe
+gh release upload patch_4Feb2025 LAMMPS-Win10-64bit-GUI-4Feb2025.exe
+```
+
+The symbolic link is used to have a consistent naming scheme for the packages
+attached to the GitHub release page.
+
+#### Clean up:
+
+``` sh
+cd ..
+rm -r release-packages
+```
+
+#### Build Multi-arch App-bundle with GUI for macOS
+
+Building app-bundles for macOS is not as easily automated and portable
+as some of the other steps.  It requires a machine actually running
+macOS.  In that machine the Xcode compiler package needs to be
+installed. This also includes tools for building and manipulating disk
+images.  This compiler supports building executables for both, the
+x86_64 and the arm64 architectures.  This requires building with CMake
+and using the CMake settings:
+
+``` sh
+-D CMAKE_OSX_ARCHITECTURES=arm64;x86_64
+-D CMAKE_OSX_DEPLOYMENT_TARGET=11.0
+```
+
+This will add the compiler flags `-arch arm64 -arch x86_64
+-mmacosx-version-min=11.0` and thus produce object for both
+architectures and support for macOS versions back to version 11 (aka Big
+Sur).  With these settings the following libraries should be compiled
+and installed (e.g. to `$HOME/.local`) as static libraries only:
+- libomp taken from the LLVM/Clang source distribution (to support OpenMP)
+- jpeg
+- zlib
+- png
+- Qt (for LAMMPS-GUI)
+
+When configuring LAMMPS the `cmake/presets/clang.cmake` should be used
+and as many packages as possible enabled. For LAMMPS-GUI, MPI should be
+disabled with `-D BUILD_MPI=OFF` and LAMMPS-GUI enabled with 
+`-D BUILD_LAMMPS_GUI=ON`.  If the CMake configuration is successful,
+settings for building a macOS app-bundle are enabled and with `cmake
+--build build --target dmg` extra steps will be executed that will build
+a macOS application installer image under the name
+`LAMMPS_GUI-macOS-multiarch-4Feb2025.dmg`
+
+The application image can be uploaded to the GitHub release page with:
+
+``` sh
+ln -sf LAMMPS_GUI-macOS-multiarch-4Feb2025.dmg LAMMPS-macOS-multiarch-GUI-4Feb2025.dmg
+gh release upload patch_4Feb2025 LAMMPS-macOS-multiarch-GUI-4Feb2025.dmg
+```
+
+The symbolic link is used to have a consistent naming scheme for the packages
+attached to the GitHub release page.
+
+We are currently building the application images on macOS 12 (aka Monterey).
+
+#### Build Linux x86_64 binary tarball with GUI on Ubuntu 20.04LTS
+
+While the flatpak Linux version uses portable runtime libraries provided
+by the flatpak environment, we also build regular Linux executables that
+use a wrapper script and matching shared libraries in a tarball.  To be
+compatible with many Linux distributions, one has to build this on a
+very old Linux distribution, since most Linux system libraries are
+usually backward compatible but not forward compatible.  This is
+currently done on an Ubuntu 20.04LTS system. Once LAMMPS moves to
+require CMake 3.20 and C++17, we will have to move to Ubuntu 22.04LTS.
+This installation (either on a real or a virtual machine) should have
+the packages installed that are indicated in
+`tools/singularity/ubuntu20.04.def` plus Qt version 5.x with development
+headers, so that LAMMPS-GUI can be compiled.
+
+Also the building of the binary tarball and setup of the bundled
+libraries and wrapper scripts is automated and can executed with `cmake
+--build build --target tgz`.  This should produce a file
+`LAMMPS_GUI-Linux-amd64-4Feb2025.tar.gz` which can be uploaded to the
+GitHub release page with:
+
+``` sh
+ln -sf LAMMPS_GUI-Linux-amd64-4Feb2025.tar.gz LAMMPS-Linux-x86_64-GUI-4Feb2025.tar.gz
+gh release upload patch_4Feb2025 LAMMPS-Linux-x86_64-GUI-4Feb2025.tar.gz
+```
+
+### Update download page on LAMMPS website
+
+Check out the LAMMPS website repo
+https://github.com/lammps/lammps-website.git and edit the file
+`src/download.txt` for the new release.  Test translation with `make
+html` and review `html/download.html` Then add and commit to git and
+push the changes to GitHub.  The Temple Jenkis cluster will
+automatically update https://www.lammps.org/download.html accordingly.
+
+Also notify Steve of the release so he can update `src/bug.txt` on the
+website from the available release notes.
+
+## LAMMPS Stable Release
+
+A LAMMPS stable release is prepared about once per year in the months
+July, August, or September.  One (or two, if needed) feature releases
+before the stable release shall contain only bug fixes or minor feature
+updates in optional packages.  Also substantial changes to the core of
+the code shall be applied rather toward the beginning of a development
+cycle between two stable releases than toward the end.  The intention is
+to stablilize significant change to the core and have outside users and
+developers try them out during the development cycle; the sooner the
+changes are included, the better chances for spotting peripheral bugs
+and issues.
+
+### Prerequesites
+
+Before making a stable release all remaining backported bugfixes shall
+be released as a (final) stable update release (see below).
+
+A LAMMPS stable release process starts like a feature release (see
+above), only that this feature release is called a "Stable Release
+Candidate" and no assets are uploaded to GitHub.
+
+### Synchronize 'maintenance' branch with 'release'
+
+The state of the 'release' branch is then transferred to the
+'maintenance' branch (which will have diverged significantly from
+'release' due to the selectively backported bug fixes).
+
+### Fast-forward merge of 'maintenance' into 'stable' and apply tag
+
+At this point it should be possible to do a fast-forward merge of
+'maintenance' to 'stable' and then apply the stable\_DMmmYYYY tag.
+
+### Push branches and tags
+
+## LAMMPS Stable Update Release
+
+After making a stable release, bugfixes from the 'develop' branch
+are selectively backported to the 'maintenance' branch.  This is
+done with "git cherry-pick \<commit hash\>' wherever possible.
+The LAMMPS\_UPDATE define in "src/version.h" is set to "Maintenance".
+
+### Prerequesites
+
+When a sufficient number of bugfixes has accumulated or an urgent
+or important bugfix needs to be distributed a new stable update
+release is made.  To make this publicly visible a pull request
+is submitted that will merge 'maintenance' into 'stable'.  Before
+merging, set LAMMPS\_UPDATE in "src/version.h" to "Update #" with
+"#" indicating the update count (1, 2, and so on).
+Also draft suitable release notes under https://github.com/lammps/lammps/releases
+
+### Fast-forward merge of 'maintenance' into 'stable', apply tag, and publish
+
+Do a fast-forward merge of 'maintenance' to 'stable' and then
+apply the stable\_DMmmYYYY\_update# tag and push branch and tag
+to GitHub. The corresponding pull request will be automatically
+closed.   Example:
+
+```
+git checkout maintenance
+git pull
+git checkout stable
+git pull
+git merge --ff-only maintenance
+git tag -s -m 'Update 2 for Stable LAMMPS version 29 August 2024' stable_29Aug2024_update2
+git push git@github.com:lammps/lammps.git --tags maintenance stable
+```
+
+Associate draft release notes with new tag and publish as "latest release".
+
+On https://ci.lammps.org/ go to "dev", "stable" and manually execute
+the "update\_release" task. This will update https://docs.lammps.org/stable
+and prepare a stable tarball.
+
+### Build and upload binary packages and source tarball to GitHub
+
+The build procedure is the same as for the feature releases, only
+that packages are built from the 'stable' branch.

.github/workflows/check-cpp23.yml

@@ -0,0 +1,103 @@
+# GitHub action to build LAMMPS on Linux with gcc or clang and C++23
+name: "Check for C++23 Compatibility"
+
+on:
+  push:
+    branches:
+      - develop
+  pull_request:
+    branches:
+      - develop
+
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.event_name }}-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{github.event_name == 'pull_request'}}
+
+jobs:
+  build:
+    name: Build with C++23 support enabled
+    if: ${{ github.repository == 'lammps/lammps' }}
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 2
+      matrix:
+        idx: [ gcc, clang ]
+    env:
+      CCACHE_DIR: ${{ github.workspace }}/.ccache
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 2
+
+    - name: Install extra packages
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y ccache \
+                                clang \
+                                libcurl4-openssl-dev \
+                                libeigen3-dev \
+                                libfftw3-dev \
+                                libomp-dev \
+                                mold \
+                                mpi-default-bin \
+                                mpi-default-dev \
+                                ninja-build \
+                                python3-dev
+
+    - name: Create Build Environment
+      run: mkdir build
+
+    - name: Set up ccache
+      uses: actions/cache@v4
+      with:
+        path: ${{ env.CCACHE_DIR }}
+        key: linux-cpp23-ccache-${{ matrix.idx }}-${{ github.sha }}
+        restore-keys: linux-cpp23-ccache-${{ matrix.idx }}
+
+    - name: Building LAMMPS via CMake
+      shell: bash
+      run: |
+        ccache -z
+        python3 -m venv linuxenv
+        source linuxenv/bin/activate
+        python3 -m pip install numpy
+        python3 -m pip install pyyaml
+        cmake -S cmake -B build \
+              -C cmake/presets/most.cmake \
+              -C cmake/presets/kokkos-openmp.cmake \
+              -C cmake/presets/${{ matrix.idx }}.cmake \
+              -D CMAKE_CXX_STANDARD=23 \
+              -D CMAKE_CXX_COMPILER_LAUNCHER=ccache \
+              -D CMAKE_C_COMPILER_LAUNCHER=ccache \
+              -D CMAKE_BUILD_TYPE=Debug \
+              -D CMAKE_CXX_FLAGS_DEBUG="-Og -g" \
+              -D DOWNLOAD_POTENTIALS=off \
+              -D FFT=KISS \
+              -D BUILD_MPI=on \
+              -D BUILD_SHARED_LIBS=on \
+              -D BUILD_TOOLS=off \
+              -D ENABLE_TESTING=off \
+              -D MLIAP_ENABLE_ACE=on \
+              -D MLIAP_ENABLE_PYTHON=off \
+              -D PKG_AWPMD=on \
+              -D PKG_GPU=on \
+              -D GPU_API=opencl \
+              -D PKG_KOKKOS=on \
+              -D PKG_LATBOLTZ=on \
+              -D PKG_MDI=on \
+              -D PKG_MANIFOLD=on \
+              -D PKG_ML-PACE=on \
+              -D PKG_ML-RANN=off \
+              -D PKG_MOLFILE=on \
+              -D PKG_RHEO=on \
+              -D PKG_PTM=on \
+              -D PKG_PYTHON=on \
+              -D PKG_QTB=on \
+              -D PKG_SMTBQ=on \
+              -G Ninja
+        cmake --build build
+        ccache -s

.github/workflows/check-vla.yml

@@ -0,0 +1,89 @@
+# GitHub action to build LAMMPS on Linux with gcc and -Werror=vla
+name: "Check for Variable Length Arrays"
+
+on:
+  push:
+    branches:
+      - develop
+  pull_request:
+    branches:
+      - develop
+
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build with -Werror=vla
+    if: ${{ github.repository == 'lammps/lammps' }}
+    runs-on: ubuntu-latest
+    env:
+      CCACHE_DIR: ${{ github.workspace }}/.ccache
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 2
+
+    - name: Install extra packages
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y ccache \
+                                libeigen3-dev \
+                                libcurl4-openssl-dev \
+                                mold \
+                                mpi-default-bin \
+                                mpi-default-dev \
+                                ninja-build \
+                                python3-dev
+
+    - name: Create Build Environment
+      run: mkdir build
+
+    - name: Set up ccache
+      uses: actions/cache@v4
+      with:
+        path: ${{ env.CCACHE_DIR }}
+        key: linux-vla-ccache-${{ github.sha }}
+        restore-keys: linux-vla-ccache-
+
+    - name: Building LAMMPS via CMake
+      shell: bash
+      run: |
+        ccache -z
+        python3 -m venv linuxenv
+        source linuxenv/bin/activate
+        python3 -m pip install numpy
+        python3 -m pip install pyyaml
+        cmake -S cmake -B build \
+              -C cmake/presets/most.cmake \
+              -D CMAKE_CXX_COMPILER=g++ \
+              -D CMAKE_C_COMPILER=gcc \
+              -D CMAKE_CXX_COMPILER_LAUNCHER=ccache \
+              -D CMAKE_C_COMPILER_LAUNCHER=ccache \
+              -D CMAKE_BUILD_TYPE=Debug \
+              -D CMAKE_CXX_FLAGS_DEBUG="-Og -g -Werror=vla" \
+              -D DOWNLOAD_POTENTIALS=off \
+              -D BUILD_MPI=on \
+              -D BUILD_SHARED_LIBS=off \
+              -D BUILD_TOOLS=off \
+              -D ENABLE_TESTING=off \
+              -D MLIAP_ENABLE_ACE=on \
+              -D MLIAP_ENABLE_PYTHON=off \
+              -D PKG_AWPMD=on \
+              -D PKG_GPU=on \
+              -D GPU_API=opencl \
+              -D PKG_LATBOLTZ=on \
+              -D PKG_MDI=on \
+              -D PKG_MANIFOLD=on \
+              -D PKG_ML-PACE=on \
+              -D PKG_ML-RANN=on \
+              -D PKG_MOLFILE=on \
+              -D PKG_RHEO=on \
+              -D PKG_PTM=on \
+              -D PKG_PYTHON=on \
+              -D PKG_QTB=on \
+              -D PKG_SMTBQ=on \
+              -G Ninja
+        cmake --build build
+        ccache -s

.github/workflows/compile-msvc.yml

@@ -1,5 +1,5 @@
-# GitHub action to build LAMMPS on Windows with Visual C++
-name: "Native Windows Compilation and Unit Tests"
+# GitHub action to test LAMMPS on Windows with Visual C++
+name: "Windows Unit Tests"
 
 on:
   push:
@@ -11,11 +11,17 @@ on:
 
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.event_name }}-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{github.event_name == 'pull_request'}}
+
 jobs:
   build:
     name: Windows Compilation Test
     if: ${{ github.repository == 'lammps/lammps' }}
     runs-on: windows-latest
+    env:
+      CCACHE_DIR: ${{ github.workspace }}/.ccache
 
     steps:
     - name: Checkout repository
@@ -23,36 +29,41 @@ jobs:
       with:
         fetch-depth: 2
 
+    - name: Enable MSVC++
+      uses: lammps/setup-msvc-dev@v3
+      with:
+        arch: x64
+
+    - name: Install Ccache
+      run: |
+        choco install ccache ninja -y
+
+    - name: Set up ccache
+      uses: actions/cache@v4
+      with:
+        path: ${{ env.CCACHE_DIR }}
+        key: win-unit-ccache-${{ github.sha }}
+        restore-keys: win-unit-ccache-
+
     - name: Select Python version
       uses: actions/setup-python@v5
       with:
         python-version: '3.11'
 
     - name: Building LAMMPS via CMake
-      shell: bash
       run: |
+        ccache -z
         python3 -m pip install numpy
         python3 -m pip install pyyaml
-        nuget install MSMPIsdk
-        nuget install MSMPIDIST
-        cmake -C cmake/presets/windows.cmake \
-              -D DOWNLOAD_POTENTIALS=off \
-              -D PKG_PYTHON=on \
-              -D WITH_PNG=off \
-              -D WITH_JPEG=off \
-              -S cmake -B build \
-              -D BUILD_SHARED_LIBS=on \
-              -D LAMMPS_EXCEPTIONS=on \
-              -D ENABLE_TESTING=on
-        cmake --build build --config Release --parallel 2
+        cmake -C cmake\presets\windows.cmake -D CMAKE_CXX_COMPILER=cl -D CMAKE_CXX_COMPILER_LAUNCHER=ccache -D CMAKE_C_COMPILER=cl -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_Fortran_COMPILER="" -D DOWNLOAD_POTENTIALS=off -D PKG_PYTHON=on -D WITH_PNG=off -D WITH_JPEG=off -S cmake -B build -D BUILD_SHARED_LIBS=on -D ENABLE_TESTING=on -D CMAKE_BUILD_TYPE=Release -G Ninja
+        cmake --build build
+        ccache -s
 
     - name: Run LAMMPS executable
-      shell: bash
       run: |
-        ./build/Release/lmp.exe -h
-        ./build/Release/lmp.exe -in bench/in.lj
+        build\lmp.exe -h
+        build\lmp.exe -in bench\in.lj
 
     - name: Run Unit Tests
       working-directory: build
-      shell: bash
-      run: ctest -V -C Release -E FixTimestep:python_move_nve
+      run: ctest -V -E FixTimestep:python_move_nve

.github/workflows/coverity.yml

@@ -67,7 +67,6 @@ jobs:
         -D PKG_MANIFOLD=on \
         -D PKG_MDI=on \
         -D PKG_MGPT=on \
-        -D PKG_ML-PACE=on \
         -D PKG_ML-RANN=on \
         -D PKG_MOLFILE=on \
         -D PKG_NETCDF=on \

.github/workflows/full-regression.yml

@@ -0,0 +1,109 @@
+# GitHub action to build LAMMPS on Linux and run regression tests
+name: "Full Regression Test"
+
+on:
+  push:
+    branches:
+      - develop
+
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build LAMMPS
+    # restrict to official LAMMPS repository
+    if: ${{ github.repository == 'lammps/lammps' }}
+    runs-on: ubuntu-latest
+    env:
+      CCACHE_DIR: ${{ github.workspace }}/.ccache
+    strategy:
+      max-parallel: 8
+      matrix:
+        idx: [ 0, 1, 2, 3, 4, 5, 6, 7 ]
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 2
+        show-progress: false
+
+    - name: Install extra packages
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y ccache ninja-build libeigen3-dev \
+                     libcurl4-openssl-dev python3-dev \
+                     mpi-default-bin mpi-default-dev
+
+    - name: Create Build Environment
+      run: mkdir build
+
+    - name: Set up ccache
+      uses: actions/cache@v4
+      with:
+        path: ${{ env.CCACHE_DIR }}
+        key: linux-full-ccache-${{ github.sha }}
+        restore-keys: linux-full-ccache-
+
+    - name: Building LAMMPS via CMake
+      shell: bash
+      run: |
+        ccache -z
+        python3 -m venv linuxenv
+        source linuxenv/bin/activate
+        python3 -m pip install --upgrade pip
+        python3 -m pip install numpy pyyaml junit_xml
+        cmake -S cmake -B build \
+              -C cmake/presets/gcc.cmake \
+              -C cmake/presets/most.cmake \
+              -D CMAKE_CXX_COMPILER_LAUNCHER=ccache \
+              -D CMAKE_C_COMPILER_LAUNCHER=ccache \
+              -D BUILD_SHARED_LIBS=off \
+              -D DOWNLOAD_POTENTIALS=off \
+              -D PKG_MANIFOLD=on \
+              -D PKG_ML-PACE=on \
+              -D PKG_ML-RANN=on \
+              -D PKG_RHEO=on \
+              -D PKG_PTM=on \
+              -D PKG_PYTHON=on \
+              -D PKG_QTB=on \
+              -D PKG_SMTBQ=on \
+              -G Ninja
+        cmake --build build
+        ccache -s
+
+    - name: Run Full Regression Tests
+      shell: bash
+      run: |
+        source linuxenv/bin/activate
+        python3 tools/regression-tests/run_tests.py \
+               --lmp-bin=build/lmp \
+               --config-file=tools/regression-tests/config_serial.yaml \
+               --examples-top-level=examples --analyze --num-workers=8
+
+        python3 tools/regression-tests/run_tests.py \
+               --lmp-bin=build/lmp \
+               --config-file=tools/regression-tests/config_serial.yaml \
+               --list-input=input-list-${{ matrix.idx }}.txt \
+               --output-file=output-${{ matrix.idx }}.xml \
+               --progress-file=progress-${{ matrix.idx }}.yaml \
+               --log-file=run-${{ matrix.idx }}.log
+
+        tar -cvf full-regression-test-${{ matrix.idx }}.tar run-${{ matrix.idx }}.log progress-${{ matrix.idx }}.yaml output-${{ matrix.idx }}.xml
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: full-regression-test-artifact-${{ matrix.idx }}
+        path: full-regression-test-${{ matrix.idx }}.tar
+
+  merge:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Merge Artifacts
+        uses: actions/upload-artifact/merge@v4
+        with:
+          name: merged-full-regresssion-artifact
+          pattern: full-regression-test-artifact-*
+

.github/workflows/kokkos-regression.yaml

@@ -0,0 +1,126 @@
+# GitHub action to build LAMMPS on Linux and run selected regression tests
+name: "Kokkos OpenMP Regression Test"
+
+on:
+  push:
+    branches:
+      - develop
+
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build LAMMPS with Kokkos OpenMP
+    # restrict to official LAMMPS repository
+    if: ${{ github.repository == 'lammps/lammps' }}
+    runs-on: ubuntu-latest
+    env:
+      CCACHE_DIR: ${{ github.workspace }}/.ccache
+    strategy:
+      max-parallel: 6
+      matrix:
+        idx: [ 'pair-0', 'pair-1', 'fix-0', 'fix-1', 'compute', 'misc' ]
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 2
+        show-progress: false
+
+    - name: Install extra packages
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y ccache ninja-build libeigen3-dev \
+                     libcurl4-openssl-dev python3-dev \
+                     mpi-default-bin mpi-default-dev
+
+    - name: Create Build Environment
+      run: mkdir build
+
+    - name: Set up ccache
+      uses: actions/cache@v4
+      with:
+        path: ${{ env.CCACHE_DIR }}
+        key: linux-kokkos-ccache-${{ github.sha }}
+        restore-keys: linux-kokkos-ccache-
+
+    - name: Building LAMMPS via CMake
+      shell: bash
+      run: |
+        ccache -z
+        python3 -m venv linuxenv
+        source linuxenv/bin/activate
+        python3 -m pip install --upgrade pip
+        python3 -m pip install numpy pyyaml junit_xml
+        cmake -S cmake -B build \
+              -C cmake/presets/gcc.cmake \
+              -C cmake/presets/basic.cmake \
+              -C cmake/presets/kokkos-openmp.cmake \
+              -D CMAKE_CXX_COMPILER_LAUNCHER=ccache \
+              -D CMAKE_C_COMPILER_LAUNCHER=ccache \
+              -D BUILD_SHARED_LIBS=off \
+              -D DOWNLOAD_POTENTIALS=off \
+              -D PKG_AMOEBA=on \
+              -D PKG_ASPHERE=on \
+              -D PKG_BROWNIAN=on \
+              -D PKG_CLASS2=on \
+              -D PKG_COLLOID=on \
+              -D PKG_CORESHELL=on \
+              -D PKG_DIPOLE=on \
+              -D PKG_DPD-BASIC=on \
+              -D PKG_EXTRA-COMPUTE=on \
+              -D PKG_EXTRA-FIX=on \
+              -D PKG_EXTRA-MOLECULE=on \
+              -D PKG_EXTRA-PAIR=on \
+              -D PKG_GRANULAR=on \
+              -D PKG_LEPTON=on \
+              -D PKG_MC=on \
+              -D PKG_MEAM=on \
+              -D PKG_POEMS=on \
+              -D PKG_PYTHON=on \
+              -D PKG_QEQ=on \
+              -D PKG_REAXFF=on \
+              -D PKG_REPLICA=on \
+              -D PKG_SRD=on \
+              -D PKG_SPH=on \
+              -D PKG_VORONOI=on \
+              -G Ninja
+        cmake --build build
+        ccache -s
+
+    - name: Run Regression Tests for Selected Examples
+      shell: bash
+      run: |
+        source linuxenv/bin/activate
+        python3 tools/regression-tests/get_kokkos_input.py \
+               --examples-top-level=examples --batch-size=50 \
+               --filter-out="balance;fire;gcmc;granregion;hyper;mc;mdi;mliap;neb;pace;prd;pour;python;rigid;snap;streitz;shear;ttm"
+
+        export OMP_PROC_BIND=false
+        python3 tools/regression-tests/run_tests.py \
+               --lmp-bin=build/lmp \
+               --config-file=tools/regression-tests/config_kokkos_openmp.yaml \
+               --list-input=input-list-${{ matrix.idx }}-kk.txt \
+               --output-file=output-${{ matrix.idx }}.xml \
+               --progress-file=progress-${{ matrix.idx }}.yaml \
+               --log-file=run-${{ matrix.idx }}.log \
+               --quick-max=100
+
+        tar -cvf kokkos-regression-test-${{ matrix.idx }}.tar run-${{ matrix.idx }}.log progress-${{ matrix.idx }}.yaml output-${{ matrix.idx }}.xml
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: kokkos-regression-test-artifact-${{ matrix.idx }}
+        path: kokkos-regression-test-${{ matrix.idx }}.tar
+
+  merge:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Merge Artifacts
+        uses: actions/upload-artifact/merge@v4
+        with:
+          name: merged-kokkos-regresssion-artifact
+          pattern: kokkos-regression-test-artifact-*

.github/workflows/lammps-gui-flatpak.yml

@@ -0,0 +1,53 @@
+# GitHub action to build LAMMPS-GUI as a flatpak bundle
+name: "Build LAMMPS-GUI as flatpak bundle"
+
+on:
+  push:
+    branches:
+      - develop
+
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.event_name }}-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{github.event_name == 'pull_request'}}
+
+jobs:
+  build:
+    name: LAMMPS-GUI flatpak build
+    if: ${{ github.repository == 'lammps/lammps' }}
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 2
+
+    - name: Install extra packages
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y ccache \
+                                libeigen3-dev \
+                                libcurl4-openssl-dev \
+                                mold \
+                                ninja-build \
+                                python3-dev \
+                                flatpak \
+                                flatpak-builder
+
+    - name: Set up access to flatpak repo
+      run: flatpak --user remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
+
+    - name: Build flatpak
+      run: |
+        mkdir flatpack-state
+        sed -i -e 's/branch:.*/branch: develop/' tools/lammps-gui/org.lammps.lammps-gui.yml
+        flatpak-builder --force-clean --verbose --repo=flatpak-repo \
+                               --install-deps-from=flathub --state-dir=flatpak-state \
+                               --user --ccache --default-branch=${{ github.ref_name }} \
+                               flatpak-build tools/lammps-gui/org.lammps.lammps-gui.yml
+        flatpak build-bundle --runtime-repo=https://flathub.org/repo/flathub.flatpakrepo \
+                               --verbose  flatpak-repo LAMMPS-Linux-x86_64-GUI.flatpak \
+                               org.lammps.lammps-gui ${{ github.ref_name }}
+        flatpak install -y -v --user LAMMPS-Linux-x86_64-GUI.flatpak

.github/workflows/quick-regression.yml

@@ -0,0 +1,118 @@
+# GitHub action to build LAMMPS on Linux and run selected regression tests
+name: "Quick Regression Test"
+
+on:
+  pull_request:
+    branches:
+      - develop
+
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.event_name }}-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{github.event_name == 'pull_request'}}
+
+jobs:
+  build:
+    name: Build LAMMPS
+    # restrict to official LAMMPS repository
+    if: ${{ github.repository == 'lammps/lammps' }}
+    runs-on: ubuntu-latest
+    env:
+      CCACHE_DIR: ${{ github.workspace }}/.ccache
+    strategy:
+      max-parallel: 4
+      matrix:
+        idx: [ 0, 1, 2, 3 ]
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+        show-progress: false
+
+    - name: Install extra packages
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y ccache ninja-build libeigen3-dev \
+                     libcurl4-openssl-dev python3-dev \
+                     mpi-default-bin mpi-default-dev
+
+    - name: Create Build Environment
+      run: mkdir build
+
+    - name: Set up ccache
+      uses: actions/cache@v4
+      with:
+        path: ${{ env.CCACHE_DIR }}
+        key: linux-quick-ccache-${{ github.sha }}
+        restore-keys: linux-quick-ccache-
+
+    - name: Building LAMMPS via CMake
+      shell: bash
+      run: |
+        ccache -z
+        python3 -m venv linuxenv
+        source linuxenv/bin/activate
+        python3 -m pip install --upgrade pip
+        python3 -m pip install numpy pyyaml junit_xml
+        cmake -S cmake -B build \
+              -C cmake/presets/gcc.cmake \
+              -C cmake/presets/most.cmake \
+              -D CMAKE_CXX_COMPILER_LAUNCHER=ccache \
+              -D CMAKE_C_COMPILER_LAUNCHER=ccache \
+              -D BUILD_SHARED_LIBS=off \
+              -D DOWNLOAD_POTENTIALS=off \
+              -D PKG_MANIFOLD=on \
+              -D PKG_ML-PACE=on \
+              -D PKG_ML-RANN=on \
+              -D PKG_RHEO=on \
+              -D PKG_PTM=on \
+              -D PKG_PYTHON=on \
+              -D PKG_QTB=on \
+              -D PKG_SMTBQ=on \
+              -G Ninja
+        cmake --build build
+        ccache -s
+
+    - name: Run Regression Tests for Modified Styles
+      shell: bash
+      run: |
+        source linuxenv/bin/activate
+        python3 tools/regression-tests/run_tests.py \
+               --lmp-bin=build/lmp \
+               --config-file=tools/regression-tests/config_quick.yaml \
+               --examples-top-level=examples \
+               --quick-reference=tools/regression-tests/reference.yaml \
+               --quick --quick-branch=origin/develop --quick-max=100 --num-workers=4
+
+        if [ -f input-list-${{ matrix.idx }}.txt ]
+        then \
+           python3 tools/regression-tests/run_tests.py \
+               --lmp-bin=build/lmp \
+               --config-file=tools/regression-tests/config_quick.yaml \
+               --list-input=input-list-${{ matrix.idx }}.txt \
+               --output-file=output-${{ matrix.idx }}.xml \
+               --progress-file=progress-${{ matrix.idx }}.yaml \
+               --log-file=run-${{ matrix.idx }}.log
+        fi
+
+        tar -cvf quick-regression-test-${{ matrix.idx }}.tar run-${{ matrix.idx }}.log progress-${{ matrix.idx }}.yaml output-${{ matrix.idx }}.xml
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: quick-regression-test-artifact-${{ matrix.idx }}
+        path: quick-regression-test-${{ matrix.idx }}.tar
+
+  merge:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Merge Artifacts
+        uses: actions/upload-artifact/merge@v4
+        with:
+          name: merged-quick-regresssion-artifact
+          pattern: quick-regression-test-artifact-*
+

.github/workflows/style-check.yml

@@ -0,0 +1,38 @@
+# GitHub action to run checks from tools/coding_standard
+name: "Check for Programming Style Conformance"
+
+on:
+  push:
+    branches:
+      - develop
+  pull_request:
+    branches:
+      - develop
+
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.event_name }}-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{github.event_name == 'pull_request'}}
+
+jobs:
+  build:
+    name: Programming Style Conformance
+    if: ${{ github.repository == 'lammps/lammps' }}
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 1
+
+    - name: Run Tests
+      working-directory: src
+      shell: bash
+      run: |
+         make check-whitespace
+         make check-permissions
+         make check-homepage
+         make check-errordocs
+         make check-fmtlib

.github/workflows/unittest-arm64.yml

@@ -0,0 +1,81 @@
+# GitHub action to build LAMMPS on Linux with ARM64 and run standard unit tests
+name: "Unittest for Linux on ARM64"
+
+on:
+  push:
+    branches: [develop]
+
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.event_name }}-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{github.event_name == 'pull_request'}}
+
+jobs:
+  build:
+    name: Linux ARM64 Unit Test
+    if: ${{ github.repository == 'lammps/lammps' }}
+    runs-on: ubuntu-22.04-arm
+    env:
+      CCACHE_DIR: ${{ github.workspace }}/.ccache
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 2
+
+    - name: Install extra packages
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y ccache \
+                                libeigen3-dev \
+                                libcurl4-openssl-dev \
+                                mold \
+                                ninja-build \
+                                python3-dev
+
+    - name: Create Build Environment
+      run: mkdir build
+
+    - name: Set up ccache
+      uses: actions/cache@v4
+      with:
+        path: ${{ env.CCACHE_DIR }}
+        key: linux-unit-ccache-${{ github.sha }}
+        restore-keys: linux-unit-ccache-
+
+    - name: Building LAMMPS via CMake
+      shell: bash
+      run: |
+        ccache -z
+        python3 -m venv linuxenv
+        source linuxenv/bin/activate
+        python3 -m pip install numpy
+        python3 -m pip install pyyaml
+        cmake -S cmake -B build \
+              -C cmake/presets/gcc.cmake \
+              -C cmake/presets/most.cmake \
+              -D CMAKE_CXX_COMPILER_LAUNCHER=ccache \
+              -D CMAKE_C_COMPILER_LAUNCHER=ccache \
+              -D BUILD_SHARED_LIBS=on \
+              -D DOWNLOAD_POTENTIALS=off \
+              -D ENABLE_TESTING=on \
+              -D MLIAP_ENABLE_ACE=on \
+              -D MLIAP_ENABLE_PYTHON=off \
+              -D PKG_MANIFOLD=on \
+              -D PKG_ML-PACE=on \
+              -D PKG_ML-RANN=on \
+              -D PKG_RHEO=on \
+              -D PKG_PTM=on \
+              -D PKG_PYTHON=on \
+              -D PKG_QTB=on \
+              -D PKG_SMTBQ=on \
+              -G Ninja
+        cmake --build build
+        ccache -s
+
+    - name: Run Tests
+      working-directory: build
+      shell: bash
+      run: ctest -V -LE unstable

.github/workflows/unittest-linux.yml

@@ -0,0 +1,86 @@
+# GitHub action to build LAMMPS on Linux and run standard unit tests
+name: "Unittest for Linux /w LAMMPS_BIGBIG"
+
+on:
+  push:
+    branches:
+      - develop
+  pull_request:
+    branches:
+      - develop
+
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.event_name }}-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{github.event_name == 'pull_request'}}
+
+jobs:
+  build:
+    name: Linux Unit Test
+    if: ${{ github.repository == 'lammps/lammps' }}
+    runs-on: ubuntu-latest
+    env:
+      CCACHE_DIR: ${{ github.workspace }}/.ccache
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 2
+
+    - name: Install extra packages
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y ccache \
+                                libeigen3-dev \
+                                libcurl4-openssl-dev \
+                                mold \
+                                ninja-build \
+                                python3-dev
+
+    - name: Create Build Environment
+      run: mkdir build
+
+    - name: Set up ccache
+      uses: actions/cache@v4
+      with:
+        path: ${{ env.CCACHE_DIR }}
+        key: linux-unit-ccache-${{ github.sha }}
+        restore-keys: linux-unit-ccache-
+
+    - name: Building LAMMPS via CMake
+      shell: bash
+      run: |
+        ccache -z
+        python3 -m venv linuxenv
+        source linuxenv/bin/activate
+        python3 -m pip install numpy
+        python3 -m pip install pyyaml
+        cmake -S cmake -B build \
+              -C cmake/presets/gcc.cmake \
+              -C cmake/presets/most.cmake \
+              -D CMAKE_CXX_COMPILER_LAUNCHER=ccache \
+              -D CMAKE_C_COMPILER_LAUNCHER=ccache \
+              -D BUILD_SHARED_LIBS=on \
+              -D LAMMPS_SIZES=bigbig \
+              -D DOWNLOAD_POTENTIALS=off \
+              -D ENABLE_TESTING=on \
+              -D MLIAP_ENABLE_ACE=on \
+              -D MLIAP_ENABLE_PYTHON=off \
+              -D PKG_MANIFOLD=on \
+              -D PKG_ML-PACE=on \
+              -D PKG_ML-RANN=on \
+              -D PKG_RHEO=on \
+              -D PKG_PTM=on \
+              -D PKG_PYTHON=on \
+              -D PKG_QTB=on \
+              -D PKG_SMTBQ=on \
+              -G Ninja
+        cmake --build build
+        ccache -s
+
+    - name: Run Tests
+      working-directory: build
+      shell: bash
+      run: ctest -V

.github/workflows/unittest-macos.yml

@@ -11,6 +11,10 @@ on:
 
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.event_name }}-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{github.event_name == 'pull_request'}}
+
 jobs:
   build:
     name: MacOS Unit Test

README

@@ -23,17 +23,21 @@ more information about the code and its uses.
 The LAMMPS distribution includes the following files and directories:
 
 README                     this file
-LICENSE                    the GNU General Public License (GPL)
-bench                      benchmark problems
+LICENSE                    the GNU General Public License (GPLv2)
+CITATION.cff               Citation information for LAMMPS in CFF format
+bench                      benchmark inputs
 cmake                      CMake build files
 doc                        documentation
-examples                   simple test problems
-fortran                    Fortran wrapper for LAMMPS
+examples                   example inputs for many LAMMPS commands
+fortran                    Fortran 2003 module for LAMMPS
 lib                        additional provided or external libraries
 potentials                 interatomic potential files
-python                     Python wrappers for LAMMPS
+python                     Python module for LAMMPS
 src                        source files
+third_party                Copies of thirdparty software bundled with LAMMPS
 tools                      pre- and post-processing tools
+unittest                   test programs for use with CTest
+.github                    Git and GitHub related files and tools
 
 Point your browser at any of these files to get started:
 
@@ -42,6 +46,8 @@ https://docs.lammps.org/Intro.html          hi-level introduction
 https://docs.lammps.org/Build.html          how to build LAMMPS
 https://docs.lammps.org/Run_head.html       how to run LAMMPS
 https://docs.lammps.org/Commands_all.html   Table of available commands
+https://docs.lammps.org/Howto.html          Short tutorials and HowTo discussions
+https://docs.lammps.org/Errors.html         How to interpret and debug errors
 https://docs.lammps.org/Library.html        LAMMPS library interfaces
 https://docs.lammps.org/Modify.html         how to modify and extend LAMMPS
 https://docs.lammps.org/Developer.html      LAMMPS developer info

cmake/CMakeLists.txt

@@ -4,6 +4,10 @@
 # This file is part of LAMMPS
 cmake_minimum_required(VERSION 3.16)
 ########################################
+# initialize version variables with project command
+if(POLICY CMP0048)
+  cmake_policy(SET CMP0048 NEW)
+endif()
 # set policy to silence warnings about ignoring <PackageName>_ROOT but use it
 if(POLICY CMP0074)
   cmake_policy(SET CMP0074 NEW)
@@ -12,6 +16,11 @@ endif()
 if(POLICY CMP0075)
   cmake_policy(SET CMP0075 NEW)
 endif()
+# set policy to silence warnings about requiring execute permission for find_program
+# we use OLD because the python-config script for the Fedora MinGW cross-compiler requires it currently
+if(POLICY CMP0109)
+  cmake_policy(SET CMP0109 OLD)
+endif()
 # set policy to silence warnings about timestamps of downloaded files. review occasionally if it may be set to NEW
 if(POLICY CMP0135)
   cmake_policy(SET CMP0135 OLD)
@@ -19,7 +28,10 @@ endif()
 
 ########################################
 
-project(lammps CXX)
+project(lammps
+        DESCRIPTION "The LAMMPS Molecular Dynamics Simulator"
+        HOMEPAGE_URL "https://www.lammps.org"
+        LANGUAGES CXX C)
 set(SOVERSION 0)
 get_property(BUILD_IS_MULTI_CONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
 
@@ -36,6 +48,7 @@ set(LAMMPS_DOC_DIR        ${LAMMPS_DIR}/doc)
 set(LAMMPS_TOOLS_DIR      ${LAMMPS_DIR}/tools)
 set(LAMMPS_PYTHON_DIR     ${LAMMPS_DIR}/python)
 set(LAMMPS_POTENTIALS_DIR ${LAMMPS_DIR}/potentials)
+set(LAMMPS_THIRDPARTY_DIR ${LAMMPS_DIR}/third_party)
 
 set(LAMMPS_DOWNLOADS_URL "https://download.lammps.org" CACHE STRING "Base URL for LAMMPS downloads")
 set(LAMMPS_POTENTIALS_URL "${LAMMPS_DOWNLOADS_URL}/potentials")
@@ -97,51 +110,45 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Qrestrict")
     endif()
     if(CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 17.3 OR CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 17.4)
-      set(CMAKE_TUNE_DEFAULT "/QxCOMMON-AVX512")
+      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /QxCOMMON-AVX512")
     else()
-      set(CMAKE_TUNE_DEFAULT "/QxHost")
+      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /QxHost")
     endif()
   else()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -restrict")
     if(CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 17.3 OR CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 17.4)
-      set(CMAKE_TUNE_DEFAULT "-xCOMMON-AVX512")
+      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -xCOMMON-AVX512")
     else()
-      set(CMAKE_TUNE_DEFAULT "-xHost -fp-model fast=2 -no-prec-div -qoverride-limits -diag-disable=10441 -diag-disable=11074 -diag-disable=11076 -diag-disable=2196")
+      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -xHost -fp-model fast=2 -no-prec-div -qoverride-limits -diag-disable=10441 -diag-disable=11074 -diag-disable=11076 -diag-disable=2196")
     endif()
   endif()
 endif()
 
 # silence excessive warnings for new Intel Compilers
 if(CMAKE_CXX_COMPILER_ID STREQUAL "IntelLLVM")
-  set(CMAKE_TUNE_DEFAULT "-Wno-tautological-constant-compare -Wno-unused-command-line-argument")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fp-model precise -Wno-tautological-constant-compare -Wno-unused-command-line-argument")
 endif()
 
 # silence excessive warnings for PGI/NVHPC compilers
 if((CMAKE_CXX_COMPILER_ID STREQUAL "NVHPC") OR (CMAKE_CXX_COMPILER_ID STREQUAL "PGI"))
-  set(CMAKE_TUNE_DEFAULT "-Minform=severe")
-endif()
-
-# this hack is required to compile fmt lib with CrayClang version 15.0.2
-# CrayClang is only directly recognized by version 3.28 and later
-if(CMAKE_VERSION VERSION_LESS 3.28)
-  get_filename_component(_exe "${CMAKE_CXX_COMPILER}" NAME)
-  if((CMAKE_CXX_COMPILER_ID STREQUAL "Clang") AND (_exe STREQUAL "crayCC"))
-    set(CMAKE_TUNE_DEFAULT "-DFMT_STATIC_THOUSANDS_SEPARATOR")
-  endif()
-else()
-  if(CMAKE_CXX_COMPILER_ID STREQUAL "CrayClang")
-    set(CMAKE_TUNE_DEFAULT "-DFMT_STATIC_THOUSANDS_SEPARATOR")
-  endif()
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Minform=severe")
 endif()
 
 # silence nvcc warnings
-if((PKG_KOKKOS) AND (Kokkos_ENABLE_CUDA) AND NOT (CMAKE_CXX_COMPILER_ID STREQUAL "Clang"))
-  set(CMAKE_TUNE_DEFAULT "${CMAKE_TUNE_DEFAULT} -Xcudafe --diag_suppress=unrecognized_pragma")
+if((PKG_KOKKOS) AND (Kokkos_ENABLE_CUDA) AND NOT
+    ((CMAKE_CXX_COMPILER_ID STREQUAL "Clang") OR (CMAKE_CXX_COMPILER_ID STREQUAL "IntelLLVM")
+    OR (CMAKE_CXX_COMPILER_ID STREQUAL "XLClang") OR (CMAKE_CXX_COMPILER_ID STREQUAL "CrayClang")))
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Xcudafe --diag_suppress=unrecognized_pragma,--diag_suppress=128")
 endif()
 
-# we require C++11 without extensions. Kokkos requires at least C++17 (currently)
+# we *require* C++11 without extensions but prefer C++17.
+# Kokkos requires at least C++17 (currently)
 if(NOT CMAKE_CXX_STANDARD)
-  set(CMAKE_CXX_STANDARD 11)
+  if(cxx_std_17 IN_LIST CMAKE_CXX_COMPILE_FEATURES)
+    set(CMAKE_CXX_STANDARD 17)
+  else()
+    set(CMAKE_CXX_STANDARD 11)
+  endif()
 endif()
 if(CMAKE_CXX_STANDARD LESS 11)
   message(FATAL_ERROR "C++ standard must be set to at least 11")
@@ -149,6 +156,10 @@ endif()
 if(PKG_KOKKOS AND (CMAKE_CXX_STANDARD LESS 17))
   set(CMAKE_CXX_STANDARD 17)
 endif()
+# turn off C++17 check in lmptype.h
+if(LAMMPS_CXX11)
+  add_compile_definitions(LAMMPS_CXX11)
+endif()
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF CACHE BOOL "Use compiler extensions")
 # ugly hacks for MSVC which by default always reports an old C++ standard in the __cplusplus macro
@@ -160,19 +171,40 @@ if(MSVC)
     add_compile_options(/wd4267)
     add_compile_options(/wd4250)
     add_compile_options(/EHsc)
+    add_compile_options(/utf-8)
   endif()
   add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
 endif()
 
+# warn about potentially problematic GCC compiler versions
+if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+  if (CMAKE_CXX_STANDARD GREATER_EQUAL 17)
+    if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.0)
+      message(WARNING "Using ${CMAKE_CXX_COMPILER_ID} compiler version ${CMAKE_CXX_COMPILER_VERSION} "
+        "with C++17 is not recommended. Please use ${CMAKE_CXX_COMPILER_ID} compiler version 9.x or later")
+    endif()
+  endif()
+  if (CMAKE_CXX_STANDARD GREATER_EQUAL 11)
+    if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
+      message(WARNING "Using ${CMAKE_CXX_COMPILER_ID} compiler version ${CMAKE_CXX_COMPILER_VERSION} "
+        "with C++11 is not recommended. Please use ${CMAKE_CXX_COMPILER_ID} compiler version 5.x or later")
+    endif()
+  endif()
+endif()
+
 # export all symbols when building a .dll file on windows
 if((CMAKE_SYSTEM_NAME STREQUAL "Windows") AND BUILD_SHARED_LIBS)
   set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
 endif()
 
+# do not include the (obsolete) MPI C++ bindings which makes for leaner object files
+# and avoids namespace conflicts. Put this early to increase its visbility.
+set(MPI_CXX_SKIP_MPICXX TRUE CACHE BOOL "Skip MPI C++ Bindings" FORCE)
+
 ########################################################################
 # User input options                                                   #
 ########################################################################
-# backward compatibility with CMake before 3.12 and older LAMMPS documentation
+# backward compatibility with older LAMMPS documentation
 if (PYTHON_EXECUTABLE)
   set(Python_EXECUTABLE "${PYTHON_EXECUTABLE}")
 endif()
@@ -188,6 +220,12 @@ if(DEFINED ENV{VIRTUAL_ENV} AND NOT Python_EXECUTABLE)
     "   Setting Python interpreter to: ${Python_EXECUTABLE}")
 endif()
 
+find_package(Python COMPONENTS Interpreter QUIET)
+# NOTE: RHEL 8.0 and Ubuntu 18.04LTS ship with Python 3.6, Python 3.8 was EOL in 2024
+if(Python_VERSION VERSION_LESS 3.6)
+  message(FATAL_ERROR "LAMMPS requires Python 3.6 or later")
+endif()
+
 set(LAMMPS_MACHINE "" CACHE STRING "Suffix to append to lmp binary (WON'T enable any features automatically")
 mark_as_advanced(LAMMPS_MACHINE)
 if(LAMMPS_MACHINE)
@@ -198,18 +236,8 @@ set(LAMMPS_BINARY lmp${LAMMPS_MACHINE})
 option(BUILD_SHARED_LIBS "Build shared library" OFF)
 option(CMAKE_POSITION_INDEPENDENT_CODE "Create object compatible with shared libraries" ON)
 option(BUILD_TOOLS "Build and install LAMMPS tools (msi2lmp, binary2txt, chain)" OFF)
-option(BUILD_LAMMPS_SHELL "Build and install the LAMMPS shell" OFF)
 option(BUILD_LAMMPS_GUI "Build and install the LAMMPS GUI" OFF)
 
-# Support using clang-tidy for C++ files with selected options
-set(ENABLE_CLANG_TIDY OFF CACHE BOOL "Include clang-tidy processing when compiling")
-if(ENABLE_CLANG_TIDY)
-  set(CMAKE_CXX_CLANG_TIDY "clang-tidy;-checks=-*,performance-trivially-destructible,performance-unnecessary-copy-initialization,performance-unnecessary-value-param,readability-redundant-control-flow,readability-redundant-declaration,readability-redundant-function-ptr-dereference,readability-redundant-member-init,readability-redundant-string-cstr,readability-redundant-string-init,readability-simplify-boolean-expr,readability-static-accessed-through-instance,readability-static-definition-in-anonymous-namespace,modernize-use-override,modernize-use-bool-literals,modernize-use-emplace,modernize-return-braced-init-list,modernize-use-equals-default,modernize-use-equals-delete,modernize-replace-random-shuffle,modernize-deprecated-headers,modernize-use-nullptr,modernize-use-noexcept,modernize-redundant-void-arg;-fix;-header-filter=.*,header-filter=library.h,header-filter=fmt/*.h" CACHE STRING "clang-tidy settings")
-else()
-  unset(CMAKE_CXX_CLANG_TIDY CACHE)
-endif()
-
-
 file(GLOB ALL_SOURCES CONFIGURE_DEPENDS ${LAMMPS_SOURCE_DIR}/[^.]*.cpp)
 file(GLOB MAIN_SOURCES CONFIGURE_DEPENDS ${LAMMPS_SOURCE_DIR}/main.cpp)
 list(REMOVE_ITEM ALL_SOURCES ${MAIN_SOURCES})
@@ -234,6 +262,7 @@ option(CMAKE_VERBOSE_MAKEFILE "Generate verbose Makefiles" OFF)
 set(STANDARD_PACKAGES
   ADIOS
   AMOEBA
+  APIP
   ASPHERE
   ATC
   AWPMD
@@ -306,6 +335,7 @@ set(STANDARD_PACKAGES
   REACTION
   REAXFF
   REPLICA
+  RHEO
   RIGID
   SCAFACOS
   SHOCK
@@ -329,12 +359,12 @@ endforeach()
 # packages with special compiler needs or external libs
 ######################################################
 target_include_directories(lammps PUBLIC $<BUILD_INTERFACE:${LAMMPS_SOURCE_DIR}>)
+target_include_directories(lammps PUBLIC $<BUILD_INTERFACE:${LAMMPS_THIRDPARTY_DIR}>)
 
 if(PKG_ADIOS)
   # The search for ADIOS2 must come before MPI because
   # it includes its own MPI search with the latest FindMPI.cmake
   # script that defines the MPI::MPI_C target
-  enable_language(C)
   find_package(ADIOS2 REQUIRED)
   if(BUILD_MPI)
     if(NOT ADIOS2_HAVE_MPI)
@@ -349,21 +379,18 @@ if(PKG_ADIOS)
 endif()
 
 if(NOT CMAKE_CROSSCOMPILING)
-  find_package(MPI QUIET)
+  find_package(MPI QUIET COMPONENTS CXX)
   option(BUILD_MPI "Build MPI version" ${MPI_FOUND})
 else()
   option(BUILD_MPI "Build MPI version" OFF)
 endif()
 
 if(BUILD_MPI)
-  # do not include the (obsolete) MPI C++ bindings which makes
-  # for leaner object files and avoids namespace conflicts
-  set(MPI_CXX_SKIP_MPICXX TRUE)
   # We use a non-standard procedure to cross-compile with MPI on Windows
   if((CMAKE_SYSTEM_NAME STREQUAL "Windows") AND CMAKE_CROSSCOMPILING)
     include(MPI4WIN)
   else()
-    find_package(MPI REQUIRED)
+    find_package(MPI REQUIRED COMPONENTS CXX)
     option(LAMMPS_LONGLONG_TO_LONG "Workaround if your system or MPI version does not recognize 'long long' data types" OFF)
     if(LAMMPS_LONGLONG_TO_LONG)
       target_compile_definitions(lammps PRIVATE -DLAMMPS_LONGLONG_TO_LONG)
@@ -377,8 +404,8 @@ else()
   target_link_libraries(lammps PUBLIC mpi_stubs)
 endif()
 
-set(LAMMPS_SIZES "smallbig" CACHE STRING "LAMMPS integer sizes (smallsmall: all 32-bit, smallbig: 64-bit #atoms #timesteps, bigbig: also 64-bit imageint, 64-bit atom ids)")
-set(LAMMPS_SIZES_VALUES smallbig bigbig smallsmall)
+set(LAMMPS_SIZES "smallbig" CACHE STRING "LAMMPS integer sizes (smallbig: 64-bit #atoms #timesteps, bigbig: also 64-bit imageint, 64-bit atom ids)")
+set(LAMMPS_SIZES_VALUES smallbig bigbig)
 set_property(CACHE LAMMPS_SIZES PROPERTY STRINGS ${LAMMPS_SIZES_VALUES})
 validate_option(LAMMPS_SIZES LAMMPS_SIZES_VALUES)
 string(TOUPPER ${LAMMPS_SIZES} LAMMPS_SIZES)
@@ -396,6 +423,19 @@ if(NOT ${LAMMPS_MEMALIGN} STREQUAL "0")
   target_compile_definitions(lammps PRIVATE -DLAMMPS_MEMALIGN=${LAMMPS_MEMALIGN})
 endif()
 
+# this hack is required to compile fmt lib with CrayClang version 15.0.2
+# CrayClang is only directly recognized by CMake version 3.28 and later
+if(CMAKE_VERSION VERSION_LESS 3.28)
+  get_filename_component(_exe "${CMAKE_CXX_COMPILER}" NAME)
+  if((CMAKE_CXX_COMPILER_ID STREQUAL "Clang") AND (_exe STREQUAL "crayCC"))
+    target_compile_definitions(lammps PRIVATE -DFMT_STATIC_THOUSANDS_SEPARATOR)
+  endif()
+else()
+  if(CMAKE_CXX_COMPILER_ID STREQUAL "CrayClang")
+    target_compile_definitions(lammps PRIVATE -DFMT_STATIC_THOUSANDS_SEPARATOR)
+  endif()
+endif()
+
 # "hard" dependencies between packages resulting
 # in an error instead of skipping over files
 pkg_depends(ML-IAP ML-SNAP)
@@ -410,6 +450,8 @@ pkg_depends(CG-DNA ASPHERE)
 pkg_depends(ELECTRODE KSPACE)
 pkg_depends(EXTRA-MOLECULE MOLECULE)
 pkg_depends(MESONT MOLECULE)
+pkg_depends(RHEO BPM)
+pkg_depends(APIP ML-PACE)
 
 # detect if we may enable OpenMP support by default
 set(BUILD_OMP_DEFAULT OFF)
@@ -452,13 +494,13 @@ if(BUILD_OMP)
   if(CMAKE_VERSION VERSION_LESS 3.28)
     get_filename_component(_exe "${CMAKE_CXX_COMPILER}" NAME)
     if((CMAKE_CXX_COMPILER_ID STREQUAL "Clang") AND (_exe STREQUAL "crayCC"))
-      set(CMAKE_SHARED_LINKER_FLAGS_${BTYPE} "${CMAKE_SHARED_LINKER_FLAGS_${BTYPE} -fopenmp")
-      set(CMAKE_STATIC_LINKER_FLAGS_${BTYPE} "${CMAKE_STATIC_LINKER_FLAGS_${BTYPE} -fopenmp")
+      set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fopenmp")
+      set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} -fopenmp")
     endif()
   else()
     if(CMAKE_CXX_COMPILER_ID STREQUAL "CrayClang")
-      set(CMAKE_SHARED_LINKER_FLAGS_${BTYPE} "${CMAKE_SHARED_LINKER_FLAGS_${BTYPE} -fopenmp")
-      set(CMAKE_STATIC_LINKER_FLAGS_${BTYPE} "${CMAKE_STATIC_LINKER_FLAGS_${BTYPE} -fopenmp")
+      set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fopenmp")
+      set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} -fopenmp")
     endif()
   endif()
 endif()
@@ -475,8 +517,7 @@ if((CMAKE_CXX_COMPILER_ID STREQUAL "Intel") AND (CMAKE_CXX_STANDARD GREATER_EQUA
           PROPERTIES COMPILE_OPTIONS "-std=c++14")
 endif()
 
-if(PKG_ATC OR PKG_AWPMD OR PKG_ML-QUIP OR PKG_ML-POD OR PKG_ELECTRODE OR BUILD_TOOLS)
-  enable_language(C)
+if(PKG_ATC OR PKG_AWPMD OR PKG_ML-QUIP OR PKG_ML-POD OR PKG_ELECTRODE OR PKG_RHEO OR BUILD_TOOLS)
   if (NOT USE_INTERNAL_LINALG)
     find_package(LAPACK)
     find_package(BLAS)
@@ -550,12 +591,22 @@ else()
 endif()
 
 foreach(PKG_WITH_INCL KSPACE PYTHON ML-IAP VORONOI COLVARS ML-HDNNP MDI MOLFILE NETCDF
-        PLUMED QMMM ML-QUIP SCAFACOS MACHDYN VTK KIM COMPRESS ML-PACE LEPTON)
+        PLUMED QMMM ML-QUIP SCAFACOS MACHDYN VTK KIM COMPRESS ML-PACE LEPTON EXTRA-COMMAND)
   if(PKG_${PKG_WITH_INCL})
     include(Packages/${PKG_WITH_INCL})
   endif()
 endforeach()
 
+# settings for misc packages and styles
+if(PKG_MISC)
+  option(LAMMPS_ASYNC_IMD "Asynchronous IMD processing" OFF)
+  mark_as_advanced(LAMMPS_ASYNC_IMD)
+  if(LAMMPS_ASYNC_IMD)
+    target_compile_definitions(lammps PRIVATE -DLAMMPS_ASYNC_IMD)
+    message(STATUS "Using IMD in asynchronous mode")
+  endif()
+endif()
+
 # optionally enable building script wrappers using swig
 option(WITH_SWIG "Build scripting language wrappers with SWIG" OFF)
 if(WITH_SWIG)
@@ -563,15 +614,6 @@ if(WITH_SWIG)
   add_subdirectory(${LAMMPS_SWIG_DIR} swig)
 endif()
 
-set(CMAKE_TUNE_FLAGS "${CMAKE_TUNE_DEFAULT}" CACHE STRING "Compiler and machine specific optimization flags (compilation only)")
-separate_arguments(CMAKE_TUNE_FLAGS)
-foreach(_FLAG ${CMAKE_TUNE_FLAGS})
-  target_compile_options(lammps PRIVATE ${_FLAG})
-  # skip these flags when linking the main executable
-  if(NOT (("${_FLAG}" STREQUAL "-Xcudafe") OR (("${_FLAG}" STREQUAL "--diag_suppress=unrecognized_pragma"))))
-    target_compile_options(lmp PRIVATE ${_FLAG})
-  endif()
-endforeach()
 ########################################################################
 # Basic system tests (standard libraries, headers, functions, types)   #
 ########################################################################
@@ -800,9 +842,15 @@ foreach(_DEF ${LAMMPS_DEFINES})
   set(LAMMPS_API_DEFINES "${LAMMPS_API_DEFINES} -D${_DEF}")
 endforeach()
 if(BUILD_SHARED_LIBS)
-  install(TARGETS lammps EXPORT LAMMPS_Targets LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
+  install(TARGETS lammps EXPORT LAMMPS_Targets
+          LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+          ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+          RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
   if(NOT BUILD_MPI)
-    install(TARGETS mpi_stubs EXPORT LAMMPS_Targets LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
+    install(TARGETS mpi_stubs EXPORT LAMMPS_Targets
+            LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+            ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+            RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
   endif()
   configure_file(pkgconfig/liblammps.pc.in ${CMAKE_CURRENT_BINARY_DIR}/liblammps${LAMMPS_MACHINE}.pc @ONLY)
   install(FILES ${CMAKE_CURRENT_BINARY_DIR}/liblammps${LAMMPS_MACHINE}.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
@@ -870,7 +918,7 @@ endif()
 include(Testing)
 include(CodeCoverage)
 include(CodingStandard)
-find_package(ClangFormat 8.0)
+find_package(ClangFormat 11.0 QUIET)
 
 if(ClangFormat_FOUND)
   add_custom_target(format-src
@@ -940,8 +988,12 @@ message(STATUS "<<< Compilers and Flags: >>>
 -- C++ Compiler:     ${CMAKE_CXX_COMPILER}
       Type:          ${CMAKE_CXX_COMPILER_ID}
       Version:       ${CMAKE_CXX_COMPILER_VERSION}
+      C++ Standard:  ${CMAKE_CXX_STANDARD}
       C++ Flags:    ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${BTYPE}}
       Defines:       ${DEFINES}")
+if(CMAKE_CXX_COMPILER_LAUNCHER)
+  message(STATUS "      Launcher:      ${CMAKE_CXX_COMPILER_LAUNCHER}")
+endif()
 get_target_property(OPTIONS lammps COMPILE_OPTIONS)
 if(OPTIONS)
   message("      Options:       ${OPTIONS}")
@@ -960,6 +1012,9 @@ if(_index GREATER -1)
       Type:          ${CMAKE_C_COMPILER_ID}
       Version:       ${CMAKE_C_COMPILER_VERSION}
       C Flags:      ${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${BTYPE}}")
+  if(CMAKE_C_COMPILER_LAUNCHER)
+    message(STATUS "      Launcher:      ${CMAKE_C_COMPILER_LAUNCHER}")
+  endif()
 endif()
 message(STATUS "<<< Linker flags: >>>")
 message(STATUS "Executable name:  ${LAMMPS_BINARY}")
@@ -1046,16 +1101,16 @@ endif()
 if(BUILD_TOOLS)
   message(STATUS "<<< Building Tools >>>")
 endif()
-if(BUILD_LAMMPS_SHELL)
-  message(STATUS "<<< Building LAMMPS Shell >>>")
-endif()
 if(BUILD_LAMMPS_GUI)
-  message(STATUS "<<< Building LAMMPS GUI >>>")
+  message(STATUS "<<< Building LAMMPS-GUI >>>")
   if(LAMMPS_GUI_USE_PLUGIN)
     message(STATUS "Loading LAMMPS library as plugin at run time")
   else()
     message(STATUS "Linking LAMMPS library at compile time")
   endif()
+  if(BUILD_WHAM)
+    message(STATUS "<<< Building WHAM >>>")
+  endif()
 endif()
 if(ENABLE_TESTING)
   message(STATUS "<<< Building Unit Tests >>>")

cmake/Modules/CodeCoverage.cmake

@@ -7,76 +7,76 @@
 # For Python coverage the coverage package needs to be installed
 ###############################################################################
 if(ENABLE_COVERAGE)
-    find_program(GCOVR_BINARY gcovr)
-    find_package_handle_standard_args(GCOVR DEFAULT_MSG GCOVR_BINARY)
+  find_program(GCOVR_BINARY gcovr)
+  find_package_handle_standard_args(GCOVR DEFAULT_MSG GCOVR_BINARY)
 
-    find_program(COVERAGE_BINARY coverage)
-    find_package_handle_standard_args(COVERAGE DEFAULT_MSG COVERAGE_BINARY)
+  find_program(COVERAGE_BINARY coverage)
+  find_package_handle_standard_args(COVERAGE DEFAULT_MSG COVERAGE_BINARY)
 
-    if(GCOVR_FOUND)
-        get_filename_component(ABSOLUTE_LAMMPS_SOURCE_DIR ${LAMMPS_SOURCE_DIR} ABSOLUTE)
+  if(GCOVR_FOUND)
+    get_filename_component(ABSOLUTE_LAMMPS_SOURCE_DIR ${LAMMPS_SOURCE_DIR} ABSOLUTE)
 
-        add_custom_target(
-            gen_coverage_xml
-            COMMAND ${GCOVR_BINARY} -s -x -r ${ABSOLUTE_LAMMPS_SOURCE_DIR} --object-directory=${CMAKE_BINARY_DIR} -o coverage.xml
-            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-            COMMENT "Generating XML coverage report..."
-        )
+    add_custom_target(
+        gen_coverage_xml
+        COMMAND ${GCOVR_BINARY} -s -x -r ${ABSOLUTE_LAMMPS_SOURCE_DIR} --object-directory=${CMAKE_BINARY_DIR} -o coverage.xml
+        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+        COMMENT "Generating XML coverage report..."
+    )
 
-        set(COVERAGE_HTML_DIR ${CMAKE_BINARY_DIR}/coverage_html)
+    set(COVERAGE_HTML_DIR ${CMAKE_BINARY_DIR}/coverage_html)
 
-        add_custom_target(coverage_html_folder
-            COMMAND ${CMAKE_COMMAND} -E make_directory ${COVERAGE_HTML_DIR})
+    add_custom_target(coverage_html_folder
+        COMMAND ${CMAKE_COMMAND} -E make_directory ${COVERAGE_HTML_DIR})
 
-        add_custom_target(
-            gen_coverage_html
-            COMMAND ${GCOVR_BINARY} -s  --html --html-details -r ${ABSOLUTE_LAMMPS_SOURCE_DIR} --object-directory=${CMAKE_BINARY_DIR} -o ${COVERAGE_HTML_DIR}/index.html
-            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-            COMMENT "Generating HTML coverage report..."
-        )
-        add_dependencies(gen_coverage_html coverage_html_folder)
+    add_custom_target(
+        gen_coverage_html
+        COMMAND ${GCOVR_BINARY} -s  --html --html-details -r ${ABSOLUTE_LAMMPS_SOURCE_DIR} --object-directory=${CMAKE_BINARY_DIR} -o ${COVERAGE_HTML_DIR}/index.html
+        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+        COMMENT "Generating HTML coverage report..."
+    )
+    add_dependencies(gen_coverage_html coverage_html_folder)
 
-        add_custom_target(clean_coverage_html
-            ${CMAKE_COMMAND} -E remove_directory ${COVERAGE_HTML_DIR}
-            COMMENT "Deleting HTML coverage report..."
-        )
+    add_custom_target(clean_coverage_html
+        ${CMAKE_COMMAND} -E remove_directory ${COVERAGE_HTML_DIR}
+        COMMENT "Deleting HTML coverage report..."
+    )
 
-        add_custom_target(reset_coverage
-            ${CMAKE_COMMAND} -E remove -f */*.gcda */*/*.gcda */*/*/*.gcda
-                              */*/*/*/*.gcda */*/*/*/*/*.gcda */*/*/*/*/*/*.gcda
-                              */*/*/*/*/*/*/*.gcda */*/*/*/*/*/*/*/*.gcda
-                              */*/*/*/*/*/*/*/*/*.gcda */*/*/*/*/*/*/*/*/*/*.gcda
-            WORKIND_DIRECTORY ${CMAKE_BINARY_DIR}
-            COMMENT "Deleting coverage data files..."
-        )
-        add_dependencies(reset_coverage clean_coverage_html)
-    endif()
+    add_custom_target(reset_coverage
+        ${CMAKE_COMMAND} -E remove -f */*.gcda */*/*.gcda */*/*/*.gcda
+                          */*/*/*/*.gcda */*/*/*/*/*.gcda */*/*/*/*/*/*.gcda
+                          */*/*/*/*/*/*/*.gcda */*/*/*/*/*/*/*/*.gcda
+                          */*/*/*/*/*/*/*/*/*.gcda */*/*/*/*/*/*/*/*/*/*.gcda
+        WORKIND_DIRECTORY ${CMAKE_BINARY_DIR}
+        COMMENT "Deleting coverage data files..."
+    )
+    add_dependencies(reset_coverage clean_coverage_html)
+  endif()
 
-    if(COVERAGE_FOUND)
-        set(PYTHON_COVERAGE_HTML_DIR ${CMAKE_BINARY_DIR}/python_coverage_html)
-        configure_file(.coveragerc.in ${CMAKE_BINARY_DIR}/.coveragerc @ONLY)
+  if(COVERAGE_FOUND)
+    set(PYTHON_COVERAGE_HTML_DIR ${CMAKE_BINARY_DIR}/python_coverage_html)
+    configure_file(.coveragerc.in ${CMAKE_BINARY_DIR}/.coveragerc @ONLY)
 
-        add_custom_command(
-            OUTPUT ${CMAKE_BINARY_DIR}/unittest/python/.coverage
-            COMMAND ${COVERAGE_BINARY} combine
-            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/unittest/python
-            COMMENT "Combine Python coverage files..."
-        )
+    add_custom_command(
+        OUTPUT ${CMAKE_BINARY_DIR}/unittest/python/.coverage
+        COMMAND ${COVERAGE_BINARY} combine
+        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/unittest/python
+        COMMENT "Combine Python coverage files..."
+    )
 
-        add_custom_target(
-            gen_python_coverage_html
-            COMMAND ${COVERAGE_BINARY} html --rcfile=${CMAKE_BINARY_DIR}/.coveragerc -d ${PYTHON_COVERAGE_HTML_DIR}
-            DEPENDS ${CMAKE_BINARY_DIR}/unittest/python/.coverage ${CMAKE_BINARY_DIR}/.coveragerc
-            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/unittest/python
-            COMMENT "Generating HTML Python coverage report..."
-        )
+    add_custom_target(
+        gen_python_coverage_html
+        COMMAND ${COVERAGE_BINARY} html --rcfile=${CMAKE_BINARY_DIR}/.coveragerc -d ${PYTHON_COVERAGE_HTML_DIR}
+        DEPENDS ${CMAKE_BINARY_DIR}/unittest/python/.coverage ${CMAKE_BINARY_DIR}/.coveragerc
+        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/unittest/python
+        COMMENT "Generating HTML Python coverage report..."
+    )
 
-        add_custom_target(
-            gen_python_coverage_xml
-            COMMAND ${COVERAGE_BINARY} xml --rcfile=${CMAKE_BINARY_DIR}/.coveragerc -o ${CMAKE_BINARY_DIR}/python_coverage.xml
-            DEPENDS ${CMAKE_BINARY_DIR}/unittest/python/.coverage ${CMAKE_BINARY_DIR}/.coveragerc
-            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/unittest/python
-            COMMENT "Generating XML Python coverage report..."
-        )
-    endif()
+    add_custom_target(
+        gen_python_coverage_xml
+        COMMAND ${COVERAGE_BINARY} xml --rcfile=${CMAKE_BINARY_DIR}/.coveragerc -o ${CMAKE_BINARY_DIR}/python_coverage.xml
+        DEPENDS ${CMAKE_BINARY_DIR}/unittest/python/.coverage ${CMAKE_BINARY_DIR}/.coveragerc
+        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/unittest/python
+        COMMENT "Generating XML Python coverage report..."
+    )
+  endif()
 endif()

cmake/Modules/CodingStandard.cmake

@@ -1,40 +1,39 @@
-# use default (or custom) Python executable, if version is sufficient
-if(Python_VERSION VERSION_GREATER_EQUAL 3.6)
+# use default (or custom) Python executable.
+# Python version check is in main CMakeLists.txt file
+if(Python_EXECUTABLE)
   set(Python3_EXECUTABLE ${Python_EXECUTABLE})
 endif()
 find_package(Python3 COMPONENTS Interpreter)
 
 if(Python3_EXECUTABLE)
-    if(Python3_VERSION VERSION_GREATER_EQUAL 3.6)
-        add_custom_target(
-          check-whitespace
-          ${Python3_EXECUTABLE} ${LAMMPS_TOOLS_DIR}/coding_standard/whitespace.py .
-          WORKING_DIRECTORY  ${LAMMPS_DIR}
-          COMMENT "Check for whitespace errors")
-        add_custom_target(
-          check-homepage
-          ${Python3_EXECUTABLE} ${LAMMPS_TOOLS_DIR}/coding_standard/homepage.py .
-          WORKING_DIRECTORY  ${LAMMPS_DIR}
-          COMMENT "Check for homepage URL errors")
-        add_custom_target(
-          check-permissions
-          ${Python3_EXECUTABLE} ${LAMMPS_TOOLS_DIR}/coding_standard/permissions.py .
-          WORKING_DIRECTORY  ${LAMMPS_DIR}
-          COMMENT "Check for permission errors")
-        add_custom_target(
-          fix-whitespace
-          ${Python3_EXECUTABLE} ${LAMMPS_TOOLS_DIR}/coding_standard/whitespace.py -f .
-          WORKING_DIRECTORY  ${LAMMPS_DIR}
-          COMMENT "Fix whitespace errors")
-        add_custom_target(
-          fix-homepage
-          ${Python3_EXECUTABLE} ${LAMMPS_TOOLS_DIR}/coding_standard/homepage.py -f .
-          WORKING_DIRECTORY  ${LAMMPS_DIR}
-          COMMENT "Fix homepage URL errors")
-        add_custom_target(
-          fix-permissions
-          ${Python3_EXECUTABLE} ${LAMMPS_TOOLS_DIR}/coding_standard/permissions.py -f .
-          WORKING_DIRECTORY  ${LAMMPS_DIR}
-          COMMENT "Fix permission errors")
-    endif()
+  add_custom_target(
+    check-whitespace
+    ${Python3_EXECUTABLE} ${LAMMPS_TOOLS_DIR}/coding_standard/whitespace.py .
+    WORKING_DIRECTORY  ${LAMMPS_DIR}
+    COMMENT "Check for whitespace errors")
+  add_custom_target(
+    check-homepage
+    ${Python3_EXECUTABLE} ${LAMMPS_TOOLS_DIR}/coding_standard/homepage.py .
+    WORKING_DIRECTORY  ${LAMMPS_DIR}
+    COMMENT "Check for homepage URL errors")
+  add_custom_target(
+    check-permissions
+    ${Python3_EXECUTABLE} ${LAMMPS_TOOLS_DIR}/coding_standard/permissions.py .
+    WORKING_DIRECTORY  ${LAMMPS_DIR}
+    COMMENT "Check for permission errors")
+  add_custom_target(
+    fix-whitespace
+    ${Python3_EXECUTABLE} ${LAMMPS_TOOLS_DIR}/coding_standard/whitespace.py -f .
+    WORKING_DIRECTORY  ${LAMMPS_DIR}
+    COMMENT "Fix whitespace errors")
+  add_custom_target(
+    fix-homepage
+    ${Python3_EXECUTABLE} ${LAMMPS_TOOLS_DIR}/coding_standard/homepage.py -f .
+    WORKING_DIRECTORY  ${LAMMPS_DIR}
+    COMMENT "Fix homepage URL errors")
+  add_custom_target(
+    fix-permissions
+    ${Python3_EXECUTABLE} ${LAMMPS_TOOLS_DIR}/coding_standard/permissions.py -f .
+    WORKING_DIRECTORY  ${LAMMPS_DIR}
+    COMMENT "Fix permission errors")
 endif()

cmake/Modules/Documentation.cmake

@@ -4,6 +4,8 @@
 option(BUILD_DOC "Build LAMMPS HTML documentation" OFF)
 
 if(BUILD_DOC)
+  option(BUILD_DOC_VENV "Build LAMMPS documentation virtual environment" ON)
+  mark_as_advanced(BUILD_DOC_VENV)
   # Current Sphinx versions require at least Python 3.8
   # use default (or custom) Python executable, if version is sufficient
   if(Python_VERSION VERSION_GREATER_EQUAL 3.8)
@@ -11,21 +13,13 @@ if(BUILD_DOC)
   endif()
   find_package(Python3 REQUIRED COMPONENTS Interpreter)
   if(Python3_VERSION VERSION_LESS 3.8)
-    message(FATAL_ERROR "Python 3.8 and up is required to build the HTML documentation")
+    message(FATAL_ERROR "Python 3.8 and up is required to build the LAMMPS HTML documentation")
   endif()
   set(VIRTUALENV ${Python3_EXECUTABLE} -m venv)
 
   find_package(Doxygen 1.8.10 REQUIRED)
   file(GLOB DOC_SOURCES CONFIGURE_DEPENDS ${LAMMPS_DOC_DIR}/src/[^.]*.rst)
 
-  add_custom_command(
-    OUTPUT docenv
-    COMMAND ${VIRTUALENV} docenv
-  )
-
-  set(DOCENV_BINARY_DIR ${CMAKE_BINARY_DIR}/docenv/bin)
-  set(DOCENV_REQUIREMENTS_FILE ${LAMMPS_DOC_DIR}/utils/requirements.txt)
-
   set(SPHINX_CONFIG_DIR ${LAMMPS_DOC_DIR}/utils/sphinx-config)
   set(SPHINX_CONFIG_FILE_TEMPLATE ${SPHINX_CONFIG_DIR}/conf.py.in)
   set(SPHINX_STATIC_DIR  ${SPHINX_CONFIG_DIR}/_static)
@@ -44,17 +38,35 @@ if(BUILD_DOC)
   # configure paths in conf.py, since relative paths change when file is copied
   configure_file(${SPHINX_CONFIG_FILE_TEMPLATE} ${DOC_BUILD_CONFIG_FILE})
 
-  add_custom_command(
-    OUTPUT ${DOC_BUILD_DIR}/requirements.txt
-    DEPENDS docenv ${DOCENV_REQUIREMENTS_FILE}
-    COMMAND ${CMAKE_COMMAND} -E copy ${DOCENV_REQUIREMENTS_FILE} ${DOC_BUILD_DIR}/requirements.txt
-    COMMAND ${DOCENV_BINARY_DIR}/pip $ENV{PIP_OPTIONS} install --upgrade pip
-    COMMAND ${DOCENV_BINARY_DIR}/pip $ENV{PIP_OPTIONS} install --upgrade ${LAMMPS_DOC_DIR}/utils/converters
-    COMMAND ${DOCENV_BINARY_DIR}/pip $ENV{PIP_OPTIONS} install -r ${DOC_BUILD_DIR}/requirements.txt --upgrade
-  )
+  if(BUILD_DOC_VENV)
+    add_custom_command(
+      OUTPUT docenv
+      COMMAND ${VIRTUALENV} docenv
+    )
 
-  set(MATHJAX_URL "https://github.com/mathjax/MathJax/archive/3.1.3.tar.gz" CACHE STRING "URL for MathJax tarball")
-  set(MATHJAX_MD5 "b81661c6e6ba06278e6ae37b30b0c492" CACHE STRING "MD5 checksum of MathJax tarball")
+    set(DOCENV_BINARY_DIR ${CMAKE_BINARY_DIR}/docenv/bin)
+    set(DOCENV_REQUIREMENTS_FILE ${LAMMPS_DOC_DIR}/utils/requirements.txt)
+
+    add_custom_command(
+      OUTPUT ${DOC_BUILD_DIR}/requirements.txt
+      DEPENDS docenv ${DOCENV_REQUIREMENTS_FILE}
+      COMMAND ${CMAKE_COMMAND} -E copy ${DOCENV_REQUIREMENTS_FILE} ${DOC_BUILD_DIR}/requirements.txt
+      COMMAND ${DOCENV_BINARY_DIR}/pip $ENV{PIP_OPTIONS} install --upgrade pip
+      COMMAND ${DOCENV_BINARY_DIR}/pip $ENV{PIP_OPTIONS} install --upgrade ${LAMMPS_DOC_DIR}/utils/converters
+      COMMAND ${DOCENV_BINARY_DIR}/pip $ENV{PIP_OPTIONS} install -r ${DOC_BUILD_DIR}/requirements.txt --upgrade
+    )
+
+    set(DOCENV_DEPS docenv ${DOC_BUILD_DIR}/requirements.txt)
+    if(NOT TARGET Sphinx::sphinx-build)
+      add_executable(Sphinx::sphinx-build IMPORTED GLOBAL)
+      set_target_properties(Sphinx::sphinx-build PROPERTIES IMPORTED_LOCATION "${DOCENV_BINARY_DIR}/sphinx-build")
+    endif()
+  else()
+    find_package(Sphinx)
+  endif()
+
+  set(MATHJAX_URL "https://github.com/mathjax/MathJax/archive/3.2.2.tar.gz" CACHE STRING "URL for MathJax tarball")
+  set(MATHJAX_MD5 "08dd6ef33ca08870220d9aade2a62845" CACHE STRING "MD5 checksum of MathJax tarball")
   mark_as_advanced(MATHJAX_URL)
   GetFallbackURL(MATHJAX_URL MATHJAX_FALLBACK)
 
@@ -97,8 +109,9 @@ if(BUILD_DOC)
   endif()
   add_custom_command(
     OUTPUT html
-    DEPENDS ${DOC_SOURCES} docenv ${DOC_BUILD_DIR}/requirements.txt ${DOXYGEN_XML_DIR}/index.xml ${BUILD_DOC_CONFIG_FILE}
-    COMMAND ${DOCENV_BINARY_DIR}/sphinx-build ${SPHINX_EXTRA_OPTS} -b html -c ${DOC_BUILD_DIR} -d ${DOC_BUILD_DIR}/doctrees ${LAMMPS_DOC_DIR}/src ${DOC_BUILD_DIR}/html
+    DEPENDS ${DOC_SOURCES} ${DOCENV_DEPS} ${DOXYGEN_XML_DIR}/index.xml ${BUILD_DOC_CONFIG_FILE}
+    COMMAND ${Python3_EXECUTABLE} ${LAMMPS_DOC_DIR}/utils/make-globbed-tocs.py -d ${LAMMPS_DOC_DIR}/src
+    COMMAND Sphinx::sphinx-build ${SPHINX_EXTRA_OPTS} -b html -c ${DOC_BUILD_DIR} -d ${DOC_BUILD_DIR}/doctrees ${LAMMPS_DOC_DIR}/src ${DOC_BUILD_DIR}/html
     COMMAND ${CMAKE_COMMAND} -E create_symlink Manual.html ${DOC_BUILD_DIR}/html/index.html
     COMMAND ${CMAKE_COMMAND} -E copy_directory ${LAMMPS_DOC_DIR}/src/PDF ${DOC_BUILD_DIR}/html/PDF
     COMMAND ${CMAKE_COMMAND} -E remove -f ${DOXYGEN_XML_DIR}/run.stamp

cmake/Modules/FindClangFormat.cmake

@@ -1,5 +1,8 @@
 # Find clang-format
 find_program(ClangFormat_EXECUTABLE NAMES clang-format
+                                          clang-format-20.0
+                                          clang-format-19.0
+                                          clang-format-18.0
                                           clang-format-17.0
                                           clang-format-16.0
                                           clang-format-15.0

cmake/Modules/FindSphinx.cmake

@@ -0,0 +1,29 @@
+# Find sphinx-build
+find_program(Sphinx_EXECUTABLE NAMES sphinx-build
+	                       PATH_SUFFIXES bin
+			       DOC "Sphinx documenation build executable")
+mark_as_advanced(Sphinx_EXECUTABLE)
+
+if(Sphinx_EXECUTABLE)
+  execute_process(COMMAND ${Sphinx_EXECUTABLE} --version
+                  OUTPUT_VARIABLE sphinx_version
+                  OUTPUT_STRIP_TRAILING_WHITESPACE
+                  RESULT_VARIABLE _sphinx_version_result)
+
+  if(_sphinx_version_result)
+    message(WARNING "Unable to determine sphinx-build verison: ${_sphinx_version_result}")
+  else()
+    string(REGEX REPLACE "sphinx-build ([0-9.]+).*"
+                         "\\1"
+                         Sphinx_VERSION
+                         "${sphinx_version}")
+  endif()
+
+  if(NOT TARGET Sphinx::sphinx-build)
+    add_executable(Sphinx::sphinx-build IMPORTED GLOBAL)
+    set_target_properties(Sphinx::sphinx-build PROPERTIES IMPORTED_LOCATION "${Sphinx_EXECUTABLE}")
+  endif()
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Sphinx REQUIRED_VARS Sphinx_EXECUTABLE VERSION_VAR Sphinx_VERSION)

cmake/Modules/FindVORO.cmake

@@ -21,9 +21,9 @@ if(VORO_FOUND)
   set(VORO_LIBRARIES ${VORO_LIBRARY})
   set(VORO_INCLUDE_DIRS ${VORO_INCLUDE_DIR})
 
-  if(NOT TARGET VORO::VORO)
-    add_library(VORO::VORO UNKNOWN IMPORTED)
-    set_target_properties(VORO::VORO PROPERTIES
+  if(NOT TARGET VORO::voro++)
+    add_library(VORO::voro++ UNKNOWN IMPORTED)
+    set_target_properties(VORO::voro++ PROPERTIES
       IMPORTED_LOCATION "${VORO_LIBRARY}"
       INTERFACE_INCLUDE_DIRECTORIES "${VORO_INCLUDE_DIR}")
   endif()

cmake/Modules/LAMMPSInterfacePlugin.cmake

@@ -34,8 +34,26 @@ if(MSVC)
   add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
 endif()
 
-# C++11 is required
-set(CMAKE_CXX_STANDARD 11)
+if(NOT CMAKE_CXX_STANDARD)
+  if(cxx_std_17 IN_LIST CMAKE_CXX_COMPILE_FEATURES)
+    set(CMAKE_CXX_STANDARD 17)
+  else()
+    set(CMAKE_CXX_STANDARD 11)
+  endif()
+endif()
+if(CMAKE_CXX_STANDARD LESS 11)
+  message(FATAL_ERROR "C++ standard must be set to at least 11")
+endif()
+if(CMAKE_CXX_STANDARD LESS 17)
+  message(WARNING "Selecting C++17 standard is preferred over C++${CMAKE_CXX_STANDARD}")
+endif()
+if(PKG_KOKKOS AND (CMAKE_CXX_STANDARD LESS 17))
+  set(CMAKE_CXX_STANDARD 17)
+endif()
+# turn off C++17 check in lmptype.h
+if(LAMMPS_CXX11)
+  add_compile_definitions(LAMMPS_CXX11)
+endif()
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 # Need -restrict with Intel compilers
@@ -44,6 +62,9 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
 endif()
 set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
 
+# skip over obsolete MPI-2 C++ bindings
+set(MPI_CXX_SKIP_MPICXX TRUE)
+
 #######
 # helper functions from LAMMPSUtils.cmake
 function(validate_option name values)
@@ -110,8 +131,7 @@ endif()
 ################################################################################
 # MPI configuration
 if(NOT CMAKE_CROSSCOMPILING)
-  set(MPI_CXX_SKIP_MPICXX TRUE)
-  find_package(MPI QUIET)
+  find_package(MPI QUIET COMPONENTS CXX)
   option(BUILD_MPI "Build MPI version" ${MPI_FOUND})
 else()
   option(BUILD_MPI "Build MPI version" OFF)
@@ -123,78 +143,38 @@ if(BUILD_MPI)
   set(MPI_CXX_SKIP_MPICXX TRUE)
   # We use a non-standard procedure to cross-compile with MPI on Windows
   if((CMAKE_SYSTEM_NAME STREQUAL "Windows") AND CMAKE_CROSSCOMPILING)
-    # Download and configure MinGW compatible MPICH development files for Windows
-    option(USE_MSMPI "Use Microsoft's MS-MPI SDK instead of MPICH2-1.4.1" OFF)
-    if(USE_MSMPI)
-      message(STATUS "Downloading and configuring MS-MPI 10.1 for Windows cross-compilation")
-      set(MPICH2_WIN64_DEVEL_URL "${LAMMPS_THIRDPARTY_URL}/msmpi-win64-devel.tar.gz" CACHE STRING "URL for MS-MPI (win64) tarball")
-      set(MPICH2_WIN64_DEVEL_MD5 "86314daf1bffb809f1fcbefb8a547490" CACHE STRING "MD5 checksum of MS-MPI (win64) tarball")
-      mark_as_advanced(MPICH2_WIN64_DEVEL_URL)
-      mark_as_advanced(MPICH2_WIN64_DEVEL_MD5)
+    message(STATUS "Downloading and configuring MS-MPI 10.1 for Windows cross-compilation")
+    set(MPICH2_WIN64_DEVEL_URL "${LAMMPS_THIRDPARTY_URL}/msmpi-win64-devel.tar.gz" CACHE STRING "URL for MS-MPI (win64) tarball")
+    set(MPICH2_WIN64_DEVEL_MD5 "86314daf1bffb809f1fcbefb8a547490" CACHE STRING "MD5 checksum of MS-MPI (win64) tarball")
+    mark_as_advanced(MPICH2_WIN64_DEVEL_URL)
+    mark_as_advanced(MPICH2_WIN64_DEVEL_MD5)
 
-      include(ExternalProject)
-      if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
-        ExternalProject_Add(mpi4win_build
-          URL     ${MPICH2_WIN64_DEVEL_URL}
-          URL_MD5 ${MPICH2_WIN64_DEVEL_MD5}
-          CONFIGURE_COMMAND "" BUILD_COMMAND "" INSTALL_COMMAND ""
-          BUILD_BYPRODUCTS <SOURCE_DIR>/lib/libmsmpi.a)
-      else()
-        message(FATAL_ERROR "Only x86 64-bit builds are supported with MS-MPI")
-      endif()
-
-      ExternalProject_get_property(mpi4win_build SOURCE_DIR)
-      file(MAKE_DIRECTORY "${SOURCE_DIR}/include")
-      add_library(MPI::MPI_CXX UNKNOWN IMPORTED)
-      set_target_properties(MPI::MPI_CXX PROPERTIES
-        IMPORTED_LOCATION "${SOURCE_DIR}/lib/libmsmpi.a"
-        INTERFACE_INCLUDE_DIRECTORIES "${SOURCE_DIR}/include"
-        INTERFACE_COMPILE_DEFINITIONS "MPICH_SKIP_MPICXX")
-      add_dependencies(MPI::MPI_CXX mpi4win_build)
-
-      # set variables for status reporting at the end of CMake run
-      set(MPI_CXX_INCLUDE_PATH "${SOURCE_DIR}/include")
-      set(MPI_CXX_COMPILE_DEFINITIONS "MPICH_SKIP_MPICXX")
-      set(MPI_CXX_LIBRARIES "${SOURCE_DIR}/lib/libmsmpi.a")
+    include(ExternalProject)
+    if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
+      ExternalProject_Add(mpi4win_build
+        URL     ${MPICH2_WIN64_DEVEL_URL}
+        URL_MD5 ${MPICH2_WIN64_DEVEL_MD5}
+        CONFIGURE_COMMAND "" BUILD_COMMAND "" INSTALL_COMMAND ""
+        BUILD_BYPRODUCTS <SOURCE_DIR>/lib/libmsmpi.a)
     else()
-      # Download and configure custom MPICH files for Windows
-      message(STATUS "Downloading and configuring MPICH-1.4.1 for Windows")
-      set(MPICH2_WIN64_DEVEL_URL "${LAMMPS_THIRDPARTY_URL}/mpich2-win64-devel.tar.gz" CACHE STRING "URL for MPICH2 (win64) tarball")
-      set(MPICH2_WIN64_DEVEL_MD5 "4939fdb59d13182fd5dd65211e469f14" CACHE STRING "MD5 checksum of MPICH2 (win64) tarball")
-      mark_as_advanced(MPICH2_WIN64_DEVEL_URL)
-      mark_as_advanced(MPICH2_WIN64_DEVEL_MD5)
-
-      include(ExternalProject)
-      if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
-        ExternalProject_Add(mpi4win_build
-          URL     ${MPICH2_WIN64_DEVEL_URL}
-          URL_MD5 ${MPICH2_WIN64_DEVEL_MD5}
-          CONFIGURE_COMMAND "" BUILD_COMMAND "" INSTALL_COMMAND ""
-          BUILD_BYPRODUCTS <SOURCE_DIR>/lib/libmpi.a)
-      else()
-        ExternalProject_Add(mpi4win_build
-          URL     ${MPICH2_WIN32_DEVEL_URL}
-          URL_MD5 ${MPICH2_WIN32_DEVEL_MD5}
-          CONFIGURE_COMMAND "" BUILD_COMMAND "" INSTALL_COMMAND ""
-          BUILD_BYPRODUCTS <SOURCE_DIR>/lib/libmpi.a)
-      endif()
-
-      ExternalProject_get_property(mpi4win_build SOURCE_DIR)
-      file(MAKE_DIRECTORY "${SOURCE_DIR}/include")
-      add_library(MPI::MPI_CXX UNKNOWN IMPORTED)
-      set_target_properties(MPI::MPI_CXX PROPERTIES
-        IMPORTED_LOCATION "${SOURCE_DIR}/lib/libmpi.a"
-        INTERFACE_INCLUDE_DIRECTORIES "${SOURCE_DIR}/include"
-        INTERFACE_COMPILE_DEFINITIONS "MPICH_SKIP_MPICXX")
-      add_dependencies(MPI::MPI_CXX mpi4win_build)
-
-      # set variables for status reporting at the end of CMake run
-      set(MPI_CXX_INCLUDE_PATH "${SOURCE_DIR}/include")
-      set(MPI_CXX_COMPILE_DEFINITIONS "MPICH_SKIP_MPICXX")
-      set(MPI_CXX_LIBRARIES "${SOURCE_DIR}/lib/libmpi.a")
+      message(FATAL_ERROR "Only x86 64-bit builds are supported with MS-MPI")
     endif()
+
+    ExternalProject_get_property(mpi4win_build SOURCE_DIR)
+    file(MAKE_DIRECTORY "${SOURCE_DIR}/include")
+    add_library(MPI::MPI_CXX UNKNOWN IMPORTED)
+    set_target_properties(MPI::MPI_CXX PROPERTIES
+      IMPORTED_LOCATION "${SOURCE_DIR}/lib/libmsmpi.a"
+      INTERFACE_INCLUDE_DIRECTORIES "${SOURCE_DIR}/include"
+      INTERFACE_COMPILE_DEFINITIONS "MPICH_SKIP_MPICXX=1")
+    add_dependencies(MPI::MPI_CXX mpi4win_build)
+
+    # set variables for status reporting at the end of CMake run
+    set(MPI_CXX_INCLUDE_PATH "${SOURCE_DIR}/include")
+    set(MPI_CXX_COMPILE_DEFINITIONS "MPICH_SKIP_MPICXX=1")
+    set(MPI_CXX_LIBRARIES "${SOURCE_DIR}/lib/libmsmpi.a")
   else()
-    find_package(MPI REQUIRED)
+    find_package(MPI REQUIRED COMPONENTS CXX)
     option(LAMMPS_LONGLONG_TO_LONG "Workaround if your system or MPI version does not recognize 'long long' data types" OFF)
     if(LAMMPS_LONGLONG_TO_LONG)
       target_compile_definitions(lammps INTERFACE -DLAMMPS_LONGLONG_TO_LONG)
@@ -242,8 +222,8 @@ endif()
 
 ################
 # integer size selection
-set(LAMMPS_SIZES "smallbig" CACHE STRING "LAMMPS integer sizes (smallsmall: all 32-bit, smallbig: 64-bit #atoms #timesteps, bigbig: also 64-bit imageint, 64-bit atom ids)")
-set(LAMMPS_SIZES_VALUES smallbig bigbig smallsmall)
+set(LAMMPS_SIZES "smallbig" CACHE STRING "LAMMPS integer sizes (smallbig: 64-bit #atoms #timesteps, bigbig: also 64-bit imageint, 64-bit atom ids)")
+set(LAMMPS_SIZES_VALUES smallbig bigbig)
 set_property(CACHE LAMMPS_SIZES PROPERTY STRINGS ${LAMMPS_SIZES_VALUES})
 validate_option(LAMMPS_SIZES LAMMPS_SIZES_VALUES)
 string(TOUPPER ${LAMMPS_SIZES} LAMMPS_SIZES)

cmake/Modules/LAMMPSUtils.cmake

@@ -30,9 +30,15 @@ function(check_omp_h_include)
   if(OpenMP_CXX_FOUND)
     set(CMAKE_REQUIRED_FLAGS ${OpenMP_CXX_FLAGS})
     set(CMAKE_REQUIRED_INCLUDES ${OpenMP_CXX_INCLUDE_DIRS})
-    set(CMAKE_REQUIRED_LINK_OPTIONS ${OpenMP_CXX_FLAGS})
+    separate_arguments(CMAKE_REQUIRED_LINK_OPTIONS NATIVE_COMMAND ${OpenMP_CXX_FLAGS}) # needs to be a list
     set(CMAKE_REQUIRED_LIBRARIES ${OpenMP_CXX_LIBRARIES})
-    check_include_file_cxx(omp.h _have_omp_h)
+    # there are all kinds of problems with finding omp.h
+    # for Clang and derived compilers so we pretend it is there.
+    if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+      set(_have_omp_h TRUE)
+    else()
+      check_include_file_cxx(omp.h _have_omp_h)
+    endif()
   else()
     set(_have_omp_h FALSE)
   endif()
@@ -69,13 +75,25 @@ function(get_lammps_version version_header variable)
     list(FIND MONTHS "${month}" month)
     string(LENGTH ${day} day_length)
     string(LENGTH ${month} month_length)
-    if(day_length EQUAL 1)
-        set(day "0${day}")
+    # no leading zero needed for new version string with dots
+    # if(day_length EQUAL 1)
+    #   set(day "0${day}")
+    # endif()
+    # if(month_length EQUAL 1)
+    #   set(month "0${month}")
+    #endif()
+    file(STRINGS ${version_header} line REGEX LAMMPS_UPDATE)
+    string(REGEX REPLACE "#define LAMMPS_UPDATE \"Update ([0-9]+)\"" "\\1" tweak "${line}")
+    if (line MATCHES "#define LAMMPS_UPDATE \"(Maintenance|Development)\"")
+      set(tweak "99")
     endif()
-    if(month_length EQUAL 1)
-        set(month "0${month}")
+    if(NOT tweak)
+      set(tweak "0")
     endif()
-    set(${variable} "${year}${month}${day}" PARENT_SCOPE)
+    # new version string with dots
+    set(${variable} "${year}.${month}.${day}.${tweak}" PARENT_SCOPE)
+    # old version string without dots
+    # set(${variable} "${year}${month}${day}" PARENT_SCOPE)
 endfunction()
 
 function(check_for_autogen_files source_dir)

cmake/Modules/MPI4WIN.cmake

@@ -1,74 +1,31 @@
-# Download and configure MinGW compatible MPICH development files for Windows
-option(USE_MSMPI "Use Microsoft's MS-MPI SDK instead of MPICH2-1.4.1" OFF)
+# set-up MS-MPI library for Windows with MinGW compatibility
+message(STATUS "Downloading and configuring MS-MPI 10.1 for Windows cross-compilation")
+set(MPICH2_WIN64_DEVEL_URL "${LAMMPS_THIRDPARTY_URL}/msmpi-win64-devel.tar.gz" CACHE STRING "URL for MS-MPI (win64) tarball")
+set(MPICH2_WIN64_DEVEL_MD5 "86314daf1bffb809f1fcbefb8a547490" CACHE STRING "MD5 checksum of MS-MPI (win64) tarball")
+mark_as_advanced(MPICH2_WIN64_DEVEL_URL)
+mark_as_advanced(MPICH2_WIN64_DEVEL_MD5)
 
-if(USE_MSMPI)
-  message(STATUS "Downloading and configuring MS-MPI 10.1 for Windows cross-compilation")
-  set(MPICH2_WIN64_DEVEL_URL "${LAMMPS_THIRDPARTY_URL}/msmpi-win64-devel.tar.gz" CACHE STRING "URL for MS-MPI (win64) tarball")
-  set(MPICH2_WIN64_DEVEL_MD5 "86314daf1bffb809f1fcbefb8a547490" CACHE STRING "MD5 checksum of MS-MPI (win64) tarball")
-  mark_as_advanced(MPICH2_WIN64_DEVEL_URL)
-  mark_as_advanced(MPICH2_WIN64_DEVEL_MD5)
-
-  include(ExternalProject)
-  if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
-    ExternalProject_Add(mpi4win_build
-      URL     ${MPICH2_WIN64_DEVEL_URL}
-      URL_MD5 ${MPICH2_WIN64_DEVEL_MD5}
-      CONFIGURE_COMMAND "" BUILD_COMMAND "" INSTALL_COMMAND ""
-      BUILD_BYPRODUCTS <SOURCE_DIR>/lib/libmsmpi.a)
-  else()
-    message(FATAL_ERROR "Only x86 64-bit builds are supported with MS-MPI")
-  endif()
-
-  ExternalProject_get_property(mpi4win_build SOURCE_DIR)
-  file(MAKE_DIRECTORY "${SOURCE_DIR}/include")
-  add_library(MPI::MPI_CXX UNKNOWN IMPORTED)
-  set_target_properties(MPI::MPI_CXX PROPERTIES
-    IMPORTED_LOCATION "${SOURCE_DIR}/lib/libmsmpi.a"
-    INTERFACE_INCLUDE_DIRECTORIES "${SOURCE_DIR}/include"
-    INTERFACE_COMPILE_DEFINITIONS "MPICH_SKIP_MPICXX")
-  add_dependencies(MPI::MPI_CXX mpi4win_build)
-
-  # set variables for status reporting at the end of CMake run
-  set(MPI_CXX_INCLUDE_PATH "${SOURCE_DIR}/include")
-  set(MPI_CXX_COMPILE_DEFINITIONS "MPICH_SKIP_MPICXX")
-  set(MPI_CXX_LIBRARIES "${SOURCE_DIR}/lib/libmsmpi.a")
+include(ExternalProject)
+if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
+  ExternalProject_Add(mpi4win_build
+    URL     ${MPICH2_WIN64_DEVEL_URL}
+    URL_MD5 ${MPICH2_WIN64_DEVEL_MD5}
+    CONFIGURE_COMMAND "" BUILD_COMMAND "" INSTALL_COMMAND ""
+    BUILD_BYPRODUCTS <SOURCE_DIR>/lib/libmsmpi.a)
 else()
-  message(STATUS "Downloading and configuring MPICH2-1.4.1 for Windows cross-compilation")
-  set(MPICH2_WIN64_DEVEL_URL "${LAMMPS_THIRDPARTY_URL}/mpich2-win64-devel.tar.gz" CACHE STRING "URL for MPICH2 (win64) tarball")
-  set(MPICH2_WIN32_DEVEL_URL "${LAMMPS_THIRDPARTY_URL}/mpich2-win32-devel.tar.gz" CACHE STRING "URL for MPICH2 (win32) tarball")
-  set(MPICH2_WIN64_DEVEL_MD5 "4939fdb59d13182fd5dd65211e469f14" CACHE STRING "MD5 checksum of MPICH2 (win64) tarball")
-  set(MPICH2_WIN32_DEVEL_MD5 "a61d153500dce44e21b755ee7257e031" CACHE STRING "MD5 checksum of MPICH2 (win32) tarball")
-  mark_as_advanced(MPICH2_WIN64_DEVEL_URL)
-  mark_as_advanced(MPICH2_WIN32_DEVEL_URL)
-  mark_as_advanced(MPICH2_WIN64_DEVEL_MD5)
-  mark_as_advanced(MPICH2_WIN32_DEVEL_MD5)
-
-  include(ExternalProject)
-  if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
-    ExternalProject_Add(mpi4win_build
-      URL     ${MPICH2_WIN64_DEVEL_URL}
-      URL_MD5 ${MPICH2_WIN64_DEVEL_MD5}
-      CONFIGURE_COMMAND "" BUILD_COMMAND "" INSTALL_COMMAND ""
-      BUILD_BYPRODUCTS <SOURCE_DIR>/lib/libmpi.a)
-  else()
-    ExternalProject_Add(mpi4win_build
-      URL     ${MPICH2_WIN32_DEVEL_URL}
-      URL_MD5 ${MPICH2_WIN32_DEVEL_MD5}
-      CONFIGURE_COMMAND "" BUILD_COMMAND "" INSTALL_COMMAND ""
-      BUILD_BYPRODUCTS <SOURCE_DIR>/lib/libmpi.a)
-  endif()
-
-  ExternalProject_get_property(mpi4win_build SOURCE_DIR)
-  file(MAKE_DIRECTORY "${SOURCE_DIR}/include")
-  add_library(MPI::MPI_CXX UNKNOWN IMPORTED)
-  set_target_properties(MPI::MPI_CXX PROPERTIES
-    IMPORTED_LOCATION "${SOURCE_DIR}/lib/libmpi.a"
-    INTERFACE_INCLUDE_DIRECTORIES "${SOURCE_DIR}/include"
-    INTERFACE_COMPILE_DEFINITIONS "MPICH_SKIP_MPICXX")
-  add_dependencies(MPI::MPI_CXX mpi4win_build)
-
-  # set variables for status reporting at the end of CMake run
-  set(MPI_CXX_INCLUDE_PATH "${SOURCE_DIR}/include")
-  set(MPI_CXX_COMPILE_DEFINITIONS "MPICH_SKIP_MPICXX")
-  set(MPI_CXX_LIBRARIES "${SOURCE_DIR}/lib/libmpi.a")
+  message(FATAL_ERROR "Only x86 64-bit builds are supported with MS-MPI")
 endif()
+
+ExternalProject_get_property(mpi4win_build SOURCE_DIR)
+file(MAKE_DIRECTORY "${SOURCE_DIR}/include")
+add_library(MPI::MPI_CXX UNKNOWN IMPORTED)
+set_target_properties(MPI::MPI_CXX PROPERTIES
+  IMPORTED_LOCATION "${SOURCE_DIR}/lib/libmsmpi.a"
+  INTERFACE_INCLUDE_DIRECTORIES "${SOURCE_DIR}/include"
+  INTERFACE_COMPILE_DEFINITIONS "MPICH_SKIP_MPICXX=1")
+add_dependencies(MPI::MPI_CXX mpi4win_build)
+
+# set variables for status reporting at the end of CMake run
+set(MPI_CXX_INCLUDE_PATH "${SOURCE_DIR}/include")
+set(MPI_CXX_COMPILE_DEFINITIONS "MPICH_SKIP_MPICXX=1")
+set(MPI_CXX_LIBRARIES "${SOURCE_DIR}/lib/libmsmpi.a")

cmake/Modules/Packages/COLVARS.cmake

@@ -14,16 +14,22 @@ endif()
 
 add_library(colvars STATIC ${COLVARS_SOURCES})
 target_compile_definitions(colvars PRIVATE -DCOLVARS_LAMMPS)
-separate_arguments(CMAKE_TUNE_FLAGS)
-foreach(_FLAG ${CMAKE_TUNE_FLAGS})
-  target_compile_options(colvars PRIVATE ${_FLAG})
-endforeach()
 set_target_properties(colvars PROPERTIES OUTPUT_NAME lammps_colvars${LAMMPS_MACHINE})
 target_include_directories(colvars PUBLIC ${LAMMPS_LIB_SOURCE_DIR}/colvars)
 # The line below is needed to locate math_eigen_impl.h
 target_include_directories(colvars PRIVATE ${LAMMPS_SOURCE_DIR})
 target_link_libraries(lammps PRIVATE colvars)
 
+if(BUILD_OMP)
+  # Enable OpenMP for Colvars as well
+  target_compile_options(colvars PRIVATE ${OpenMP_CXX_FLAGS})
+  target_link_libraries(colvars PRIVATE OpenMP::OpenMP_CXX)
+endif()
+
+if(BUILD_MPI)
+  target_link_libraries(colvars PUBLIC MPI::MPI_CXX)
+endif()
+
 if(COLVARS_DEBUG)
   # Need to export the define publicly to be valid in interface code
   target_compile_definitions(colvars PUBLIC -DCOLVARS_DEBUG)

cmake/Modules/Packages/EXTRA-COMMAND.cmake

@@ -0,0 +1,18 @@
+# the geturl command needs libcurl
+
+find_package(CURL QUIET)
+option(WITH_CURL "Enable libcurl support" ${CURL_FOUND})
+if(WITH_CURL)
+  target_compile_definitions(lammps PRIVATE -DLAMMPS_CURL)
+
+  # need to use pkgconfig for fully static bins to find custom static libs
+  if (CMAKE_SYSTEM_NAME STREQUAL "LinuxMUSL")
+    include(FindPkgConfig)
+    pkg_check_modules(CURL IMPORTED_TARGET libcurl libssl libcrypto)
+    target_link_libraries(lammps PUBLIC PkgConfig::CURL)
+  else()
+    find_package(CURL REQUIRED)
+    target_link_libraries(lammps PRIVATE CURL::libcurl)
+  endif()
+endif()
+

cmake/Modules/Packages/GPU.cmake

@@ -189,7 +189,7 @@ if(GPU_API STREQUAL "CUDA")
   endif()
 
   add_executable(nvc_get_devices ${LAMMPS_LIB_SOURCE_DIR}/gpu/geryon/ucl_get_devices.cpp)
-  target_compile_definitions(nvc_get_devices PRIVATE -DUCL_CUDADR)
+  target_compile_definitions(nvc_get_devices PRIVATE -DUCL_CUDADR -DLAMMPS_${LAMMPS_SIZES})
   target_link_libraries(nvc_get_devices PRIVATE ${CUDA_LIBRARIES} ${CUDA_CUDA_LIBRARY})
   target_include_directories(nvc_get_devices PRIVATE ${CUDA_INCLUDE_DIRS})
 
@@ -489,7 +489,7 @@ else()
   target_link_libraries(gpu PRIVATE mpi_stubs)
 endif()
 
-target_compile_definitions(gpu PRIVATE -DLAMMPS_${LAMMPS_SIZES})
 set_target_properties(gpu PROPERTIES OUTPUT_NAME lammps_gpu${LAMMPS_MACHINE})
+target_compile_definitions(gpu PRIVATE -DLAMMPS_${LAMMPS_SIZES})
 target_sources(lammps PRIVATE ${GPU_SOURCES})
 target_include_directories(lammps PRIVATE ${GPU_SOURCES_DIR})

cmake/Modules/Packages/H5MD.cmake

@@ -3,7 +3,7 @@ enable_language(C)
 # we don't use the parallel i/o interface.
 set(HDF5_PREFER_PARALLEL FALSE)
 
-find_package(HDF5 REQUIRED)
+find_package(HDF5 COMPONENTS C REQUIRED)
 
 # parallel HDF5 will import incompatible MPI headers with a serial build
 if((NOT BUILD_MPI) AND HDF5_IS_PARALLEL)

cmake/Modules/Packages/INTEL.cmake

@@ -72,6 +72,10 @@ if(INTEL_ARCH STREQUAL "KNL")
   if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
     message(FATAL_ERROR "Must use Intel compiler with INTEL for KNL architecture")
   endif()
+  message(WARNING, "Support for Intel Xeon Phi accelerators and Knight's Landing CPUs "
+          "will be removed from LAMMPS in Summer 2025 due to lack of available machines "
+          "in labs and HPC centers and removed support in recent compilers "
+          "Please contact developers@lammps.org if you have any concerns about this step.")
   set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -xHost -qopenmp -qoffload")
   set(MIC_OPTIONS "-qoffload-option,mic,compiler,\"-fp-model fast=2 -mGLOB_default_function_attrs=\\\"gather_scatter_loop_unroll=4\\\"\"")
   target_compile_options(lammps PRIVATE -xMIC-AVX512 -qoffload -fno-alias -ansi-alias -restrict -qoverride-limits ${MIC_OPTIONS})

cmake/Modules/Packages/KOKKOS.cmake

@@ -7,10 +7,13 @@ endif()
 
 ########################################################################
 # consistency checks and Kokkos options/settings required by LAMMPS
-if(Kokkos_ENABLE_CUDA)
-  message(STATUS "KOKKOS: Enabling CUDA LAMBDA function support")
-  set(Kokkos_ENABLE_CUDA_LAMBDA ON CACHE BOOL "" FORCE)
+if(Kokkos_ENABLE_HIP)
+  option(Kokkos_ENABLE_HIP_MULTIPLE_KERNEL_INSTANTIATIONS "Enable multiple kernel instantiations with HIP" ON)
+  mark_as_advanced(Kokkos_ENABLE_HIP_MULTIPLE_KERNEL_INSTANTIATIONS)
+  option(Kokkos_ENABLE_ROCTHRUST "Use RoCThrust library" ON)
+  mark_as_advanced(Kokkos_ENABLE_ROCTHRUST)
 endif()
+
 # Adding OpenMP compiler flags without the checks done for
 # BUILD_OMP can result in compile failures. Enforce consistency.
 if(Kokkos_ENABLE_OPENMP)
@@ -18,6 +21,15 @@ if(Kokkos_ENABLE_OPENMP)
     message(FATAL_ERROR "Must enable BUILD_OMP with Kokkos_ENABLE_OPENMP")
   endif()
 endif()
+
+if(Kokkos_ENABLE_SERIAL)
+  if(NOT (Kokkos_ENABLE_OPENMP OR Kokkos_ENABLE_THREADS OR
+    Kokkos_ENABLE_CUDA OR Kokkos_ENABLE_HIP OR Kokkos_ENABLE_SYCL
+    OR Kokkos_ENABLE_OPENMPTARGET))
+  option(Kokkos_ENABLE_ATOMICS_BYPASS "Disable atomics for Kokkos Serial Backend" ON)
+  mark_as_advanced(Kokkos_ENABLE_ATOMICS_BYPASS)
+  endif()
+endif()
 ########################################################################
 
 option(EXTERNAL_KOKKOS "Build against external kokkos library" OFF)
@@ -45,8 +57,8 @@ if(DOWNLOAD_KOKKOS)
   list(APPEND KOKKOS_LIB_BUILD_ARGS "-DCMAKE_CXX_EXTENSIONS=${CMAKE_CXX_EXTENSIONS}")
   list(APPEND KOKKOS_LIB_BUILD_ARGS "-DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}")
   include(ExternalProject)
-  set(KOKKOS_URL "https://github.com/kokkos/kokkos/archive/4.3.01.tar.gz" CACHE STRING "URL for KOKKOS tarball")
-  set(KOKKOS_MD5 "243de871b3dc2cf3990c1c404032df83" CACHE STRING "MD5 checksum of KOKKOS tarball")
+  set(KOKKOS_URL "https://github.com/kokkos/kokkos/archive/4.6.02.tar.gz" CACHE STRING "URL for KOKKOS tarball")
+  set(KOKKOS_MD5 "14c02fac07bfcec48a1654f88ddee9c6" CACHE STRING "MD5 checksum of KOKKOS tarball")
   mark_as_advanced(KOKKOS_URL)
   mark_as_advanced(KOKKOS_MD5)
   GetFallbackURL(KOKKOS_URL KOKKOS_FALLBACK)
@@ -71,7 +83,7 @@ if(DOWNLOAD_KOKKOS)
   add_dependencies(LAMMPS::KOKKOSCORE kokkos_build)
   add_dependencies(LAMMPS::KOKKOSCONTAINERS kokkos_build)
 elseif(EXTERNAL_KOKKOS)
-  find_package(Kokkos 4.3.01 REQUIRED CONFIG)
+  find_package(Kokkos 4.6.02 REQUIRED CONFIG)
   target_link_libraries(lammps PRIVATE Kokkos::kokkos)
 else()
   set(LAMMPS_LIB_KOKKOS_SRC_DIR ${LAMMPS_LIB_SOURCE_DIR}/kokkos)
@@ -127,7 +139,7 @@ if(PKG_KSPACE)
                                  ${KOKKOS_PKG_SOURCES_DIR}/grid3d_kokkos.cpp
                                  ${KOKKOS_PKG_SOURCES_DIR}/remap_kokkos.cpp)
   set(FFT_KOKKOS "KISS" CACHE STRING "FFT library for Kokkos-enabled KSPACE package")
-  set(FFT_KOKKOS_VALUES KISS FFTW3 MKL HIPFFT CUFFT)
+  set(FFT_KOKKOS_VALUES KISS FFTW3 MKL NVPL HIPFFT CUFFT MKL_GPU)
   set_property(CACHE FFT_KOKKOS PROPERTY STRINGS ${FFT_KOKKOS_VALUES})
   validate_option(FFT_KOKKOS FFT_KOKKOS_VALUES)
   string(TOUPPER ${FFT_KOKKOS} FFT_KOKKOS)
@@ -137,10 +149,8 @@ if(PKG_KSPACE)
       message(FATAL_ERROR "The CUDA backend of Kokkos requires either KISS FFT or CUFFT.")
     elseif(FFT_KOKKOS STREQUAL "KISS")
       message(WARNING "Using KISS FFT with the CUDA backend of Kokkos may be sub-optimal.")
-      target_compile_definitions(lammps PRIVATE -DFFT_KOKKOS_KISS)
     elseif(FFT_KOKKOS STREQUAL "CUFFT")
       find_package(CUDAToolkit REQUIRED)
-      target_compile_definitions(lammps PRIVATE -DFFT_KOKKOS_CUFFT)
       target_link_libraries(lammps PRIVATE CUDA::cufft)
     endif()
   elseif(Kokkos_ENABLE_HIP)
@@ -152,10 +162,21 @@ if(PKG_KSPACE)
     elseif(FFT_KOKKOS STREQUAL "HIPFFT")
       include(DetectHIPInstallation)
       find_package(hipfft REQUIRED)
-      target_compile_definitions(lammps PRIVATE -DFFT_KOKKOS_HIPFFT)
       target_link_libraries(lammps PRIVATE hip::hipfft)
     endif()
+  elseif(FFT_KOKKOS STREQUAL "MKL_GPU")
+    if(NOT Kokkos_ENABLE_SYCL)
+      message(FATAL_ERROR "Using MKL_GPU FFT currently requires the SYCL backend of Kokkos.")
+    endif()
+    find_package(MKL REQUIRED)
+    target_link_libraries(lammps PRIVATE mkl_sycl_dft mkl_intel_ilp64 mkl_tbb_thread mkl_core tbb)
+  elseif(FFT_KOKKOS STREQUAL "MKL")
+    find_package(MKL REQUIRED)
+  elseif(FFT_KOKKOS STREQUAL "NVPL")
+      find_package(nvpl_fft REQUIRED)
+      target_link_libraries(lammps PRIVATE nvpl::fftw)
   endif()
+  target_compile_definitions(lammps PRIVATE -DFFT_KOKKOS_${FFT_KOKKOS})
 endif()
 
 if(PKG_ML-IAP)

cmake/Modules/Packages/KSPACE.cmake

@@ -10,7 +10,7 @@ if(${FFTW}_FOUND)
 else()
   set(FFT "KISS" CACHE STRING "FFT library for KSPACE package")
 endif()
-set(FFT_VALUES KISS FFTW3 MKL)
+set(FFT_VALUES KISS FFTW3 MKL NVPL)
 set_property(CACHE FFT PROPERTY STRINGS ${FFT_VALUES})
 validate_option(FFT FFT_VALUES)
 string(TOUPPER ${FFT} FFT)
@@ -41,6 +41,10 @@ elseif(FFT STREQUAL "MKL")
     target_compile_definitions(lammps PRIVATE -DFFT_MKL_THREADS)
   endif()
   target_link_libraries(lammps PRIVATE MKL::MKL)
+elseif(FFT STREQUAL "NVPL")
+  find_package(nvpl_fft REQUIRED)
+  target_compile_definitions(lammps PRIVATE -DFFT_NVPL)
+  target_link_libraries(lammps PRIVATE nvpl::fftw)
 else()
   # last option is KISSFFT
   target_compile_definitions(lammps PRIVATE -DFFT_KISS)

cmake/Modules/Packages/MC.cmake

@@ -7,3 +7,23 @@ if(NOT PKG_MANYBODY)
   list(REMOVE_ITEM LAMMPS_SOURCES ${LAMMPS_SOURCE_DIR}/MC/fix_sgcmc.cpp)
   set_property(TARGET lammps PROPERTY SOURCES "${LAMMPS_SOURCES}")
 endif()
+
+# fix hmc may only be installed if also fix rigid/small from RIGID is installed
+if(NOT PKG_RIGID)
+  get_property(LAMMPS_FIX_HEADERS GLOBAL PROPERTY FIX)
+  list(REMOVE_ITEM LAMMPS_FIX_HEADERS ${LAMMPS_SOURCE_DIR}/MC/fix_hmc.h)
+  set_property(GLOBAL PROPERTY FIX "${LAMMPS_FIX_HEADERS}")
+  get_target_property(LAMMPS_SOURCES lammps SOURCES)
+  list(REMOVE_ITEM LAMMPS_SOURCES ${LAMMPS_SOURCE_DIR}/MC/fix_hmc.cpp)
+  set_property(TARGET lammps PROPERTY SOURCES "${LAMMPS_SOURCES}")
+endif()
+
+# fix neighbor/swap may only be installed if also the VORONOI package is installed
+if(NOT PKG_VORONOI)
+  get_property(LAMMPS_FIX_HEADERS GLOBAL PROPERTY FIX)
+  list(REMOVE_ITEM LAMMPS_FIX_HEADERS ${LAMMPS_SOURCE_DIR}/MC/fix_neighbor_swap.h)
+  set_property(GLOBAL PROPERTY FIX "${LAMMPS_FIX_HEADERS}")
+  get_target_property(LAMMPS_SOURCES lammps SOURCES)
+  list(REMOVE_ITEM LAMMPS_SOURCES ${LAMMPS_SOURCE_DIR}/MC/fix_neighbor_swap.cpp)
+  set_property(TARGET lammps PROPERTY SOURCES "${LAMMPS_SOURCES}")
+endif()

cmake/Modules/Packages/ML-IAP.cmake

@@ -24,9 +24,7 @@ if(MLIAP_ENABLE_PYTHON)
   if(NOT PKG_PYTHON)
     message(FATAL_ERROR "Must enable PYTHON package for including Python support in ML-IAP")
   endif()
-  if(Python_VERSION VERSION_LESS 3.6)
-    message(FATAL_ERROR "Python support in ML-IAP requires Python 3.6 or later")
-  endif()
+  # Python version check is in main CMakeLists.txt file
 
   set(MLIAP_BINARY_DIR ${CMAKE_BINARY_DIR}/cython)
   file(GLOB MLIAP_CYTHON_SRC CONFIGURE_DEPENDS ${LAMMPS_SOURCE_DIR}/ML-IAP/*.pyx)

cmake/Modules/Packages/ML-PACE.cmake

@@ -1,44 +1,68 @@
-set(PACELIB_URL "https://github.com/ICAMS/lammps-user-pace/archive/refs/tags/v.2023.11.25.fix.tar.gz" CACHE STRING "URL for PACE evaluator library sources")
+# PACE library support for ML-PACE package
+find_package(pace QUIET)
 
-set(PACELIB_MD5 "b45de9a633f42ed65422567e3ce56f9f" CACHE STRING "MD5 checksum of PACE evaluator library tarball")
-mark_as_advanced(PACELIB_URL)
-mark_as_advanced(PACELIB_MD5)
-GetFallbackURL(PACELIB_URL PACELIB_FALLBACK)
-
-# LOCAL_ML-PACE points to top-level dir with local lammps-user-pace repo,
-# to make it easier to check local build without going through the public github releases
-if(LOCAL_ML-PACE)
- set(lib-pace "${LOCAL_ML-PACE}")
+if(pace_FOUND)
+    find_package(pace)
+    target_link_libraries(lammps PRIVATE pace::pace)
 else()
-  # download library sources to build folder
-  if(EXISTS ${CMAKE_BINARY_DIR}/libpace.tar.gz)
-    file(MD5 ${CMAKE_BINARY_DIR}/libpace.tar.gz DL_MD5)
-  endif()
-  if(NOT "${DL_MD5}" STREQUAL "${PACELIB_MD5}")
-    message(STATUS "Downloading ${PACELIB_URL}")
-    file(DOWNLOAD ${PACELIB_URL} ${CMAKE_BINARY_DIR}/libpace.tar.gz STATUS DL_STATUS SHOW_PROGRESS)
-    file(MD5 ${CMAKE_BINARY_DIR}/libpace.tar.gz DL_MD5)
-    if((NOT DL_STATUS EQUAL 0) OR (NOT "${DL_MD5}" STREQUAL "${PACELIB_MD5}"))
-      message(WARNING "Download from primary URL ${PACELIB_URL} failed\nTrying fallback URL ${PACELIB_FALLBACK}")
-      file(DOWNLOAD ${PACELIB_FALLBACK} ${CMAKE_BINARY_DIR}/libpace.tar.gz EXPECTED_HASH MD5=${PACELIB_MD5} SHOW_PROGRESS)
+    # set policy to silence warnings about timestamps of downloaded files. review occasionally if it may be set to NEW
+    if(POLICY CMP0135)
+      cmake_policy(SET CMP0135 OLD)
     endif()
-  else()
-    message(STATUS "Using already downloaded archive ${CMAKE_BINARY_DIR}/libpace.tar.gz")
-  endif()
+
+    set(PACELIB_URL "https://github.com/ICAMS/lammps-user-pace/archive/refs/tags/v.2023.11.25.fix2.tar.gz" CACHE STRING "URL for PACE evaluator library sources")
+    set(PACELIB_MD5 "a53bd87cfee8b07d9f44bc17aad69c3f" CACHE STRING "MD5 checksum of PACE evaluator library tarball")
+    mark_as_advanced(PACELIB_URL)
+    mark_as_advanced(PACELIB_MD5)
+    GetFallbackURL(PACELIB_URL PACELIB_FALLBACK)
+
+    # LOCAL_ML-PACE points to top-level dir with local lammps-user-pace repo,
+    # to make it easier to check local build without going through the public github releases
+    if(LOCAL_ML-PACE)
+     set(lib-pace "${LOCAL_ML-PACE}")
+    else()
+      # download library sources to build folder
+      if(EXISTS ${CMAKE_BINARY_DIR}/libpace.tar.gz)
+        file(MD5 ${CMAKE_BINARY_DIR}/libpace.tar.gz DL_MD5)
+      endif()
+      if(NOT "${DL_MD5}" STREQUAL "${PACELIB_MD5}")
+        message(STATUS "Downloading ${PACELIB_URL}")
+        file(DOWNLOAD ${PACELIB_URL} ${CMAKE_BINARY_DIR}/libpace.tar.gz STATUS DL_STATUS SHOW_PROGRESS)
+        file(MD5 ${CMAKE_BINARY_DIR}/libpace.tar.gz DL_MD5)
+        if((NOT DL_STATUS EQUAL 0) OR (NOT "${DL_MD5}" STREQUAL "${PACELIB_MD5}"))
+          message(WARNING "Download from primary URL ${PACELIB_URL} failed\nTrying fallback URL ${PACELIB_FALLBACK}")
+          file(DOWNLOAD ${PACELIB_FALLBACK} ${CMAKE_BINARY_DIR}/libpace.tar.gz EXPECTED_HASH MD5=${PACELIB_MD5} SHOW_PROGRESS)
+        endif()
+      else()
+        message(STATUS "Using already downloaded archive ${CMAKE_BINARY_DIR}/libpace.tar.gz")
+      endif()
 
 
-  # uncompress downloaded sources
-  execute_process(
-    COMMAND ${CMAKE_COMMAND} -E remove_directory lammps-user-pace*
-    COMMAND ${CMAKE_COMMAND} -E tar xzf libpace.tar.gz
-    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-  )
-  get_newest_file(${CMAKE_BINARY_DIR}/lammps-user-pace-* lib-pace)
-endif()
-
-add_subdirectory(${lib-pace} build-pace)
-set_target_properties(pace PROPERTIES CXX_EXTENSIONS ON OUTPUT_NAME lammps_pace${LAMMPS_MACHINE})
-
-if(CMAKE_PROJECT_NAME STREQUAL "lammps")
-  target_link_libraries(lammps PRIVATE pace)
+      # uncompress downloaded sources
+      execute_process(
+        COMMAND ${CMAKE_COMMAND} -E remove_directory lammps-user-pace*
+        COMMAND ${CMAKE_COMMAND} -E tar xzf libpace.tar.gz
+        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+      )
+      get_newest_file(${CMAKE_BINARY_DIR}/lammps-user-pace-* lib-pace)
+    endif()
+
+    # some preinstalled yaml-cpp versions don't provide a namespaced target
+    find_package(yaml-cpp QUIET)
+    if(TARGET yaml-cpp AND NOT TARGET yaml-cpp::yaml-cpp)
+      add_library(yaml-cpp::yaml-cpp ALIAS yaml-cpp)
+    endif()
+
+    # fixup yaml-cpp/emitterutils.cpp for GCC 15+ until patch is applied
+    file(READ ${lib-pace}/yaml-cpp/src/emitterutils.cpp yaml_emitterutils)
+    string(REPLACE "#include <sstream>" "#include <sstream>\n#include <cinttypes>" yaml_tmp_emitterutils "${yaml_emitterutils}")
+    string(REPLACE "#include <cinttypes>\n#include <cinttypes>" "#include <cinttypes>" yaml_emitterutils "${yaml_tmp_emitterutils}")
+    file(WRITE ${lib-pace}/yaml-cpp/src/emitterutils.cpp "${yaml_emitterutils}")
+
+    add_subdirectory(${lib-pace} build-pace EXCLUDE_FROM_ALL)
+    set_target_properties(pace PROPERTIES CXX_EXTENSIONS ON OUTPUT_NAME lammps_pace${LAMMPS_MACHINE})
+
+    if(CMAKE_PROJECT_NAME STREQUAL "lammps")
+      target_link_libraries(lammps PRIVATE pace)
+    endif()
 endif()

cmake/Modules/Packages/ML-QUIP.cmake

@@ -27,7 +27,7 @@ if(DOWNLOAD_QUIP)
   else()
     message(FATAL_ERROR "The ${CMAKE_Fortran_COMPILER_ID} Fortran compiler is not (yet) supported for building QUIP")
   endif()
-  set(temp "${temp}CFLAGS += -fPIC \nCPLUSPLUSFLAGS += -fPIC\nAR_ADD=src\n")
+  set(temp "${temp}CFLAGS += -fPIC -Wno-return-mismatch \nCPLUSPLUSFLAGS += -fPIC -Wno-return-mismatch\nAR_ADD=src\n")
   set(temp "${temp}MATH_LINKOPTS=")
   foreach(flag ${BLAS_LIBRARIES})
     set(temp "${temp} ${flag}")
@@ -37,7 +37,7 @@ if(DOWNLOAD_QUIP)
   endforeach()
   # Fix cmake crashing when MATH_LINKOPTS not set, required for e.g. recent Cray Programming Environment
   set(temp "${temp} -L/_DUMMY_PATH_\n")
-  set(temp "${temp}PYTHON=python\nPIP=pip\nEXTRA_LINKOPTS=\n")
+  set(temp "${temp}PYTHON=${Python_EXECUTABLE}\nPIP=pip\nEXTRA_LINKOPTS=\n")
   set(temp "${temp}HAVE_CP2K=0\nHAVE_VASP=0\nHAVE_TB=0\nHAVE_PRECON=1\nHAVE_LOTF=0\nHAVE_ONIOM=0\n")
   set(temp "${temp}HAVE_LOCAL_E_MIX=0\nHAVE_QC=0\nHAVE_GAP=1\nHAVE_DESCRIPTORS_NONCOMMERCIAL=1\n")
   set(temp "${temp}HAVE_TURBOGAP=0\nHAVE_QR=1\nHAVE_THIRDPARTY=0\nHAVE_FX=0\nHAVE_SCME=0\nHAVE_MTP=0\n")

cmake/Modules/Packages/PLUMED.cmake

@@ -1,5 +1,10 @@
 # Plumed2 support for PLUMED package
 
+# set policy to silence warnings about timestamps of downloaded files. review occasionally if it may be set to NEW
+if(POLICY CMP0135)
+  cmake_policy(SET CMP0135 OLD)
+endif()
+
 # for supporting multiple concurrent plumed2 installations for debugging and testing
 set(PLUMED_SUFFIX "" CACHE STRING "Suffix for Plumed2 library")
 mark_as_advanced(PLUMED_SUFFIX)
@@ -27,14 +32,21 @@ endif()
 
 # Note: must also adjust check for supported API versions in
 # fix_plumed.cpp when version changes from v2.n.x to v2.n+1.y
-set(PLUMED_URL "https://github.com/plumed/plumed2/releases/download/v2.9.1/plumed-src-2.9.1.tgz"
+set(PLUMED_URL "https://github.com/plumed/plumed2/releases/download/v2.9.3/plumed-src-2.9.3.tgz"
   CACHE STRING "URL for PLUMED tarball")
-set(PLUMED_MD5 "c3b2d31479c1e9ce211719d40e9efbd7" CACHE STRING "MD5 checksum of PLUMED tarball")
+set(PLUMED_MD5 "ee1249805fe94bccee17d10610d3f6f1" CACHE STRING "MD5 checksum of PLUMED tarball")
 
 mark_as_advanced(PLUMED_URL)
 mark_as_advanced(PLUMED_MD5)
 GetFallbackURL(PLUMED_URL PLUMED_FALLBACK)
 
+# adjust C++ standard support for self-compiled Plumed2
+if(CMAKE_CXX_STANDARD GREATER 11)
+  set(PLUMED_CXX_STANDARD 14)
+else()
+  set(PLUMED_CXX_STANDARD 11)
+endif()
+
 if((CMAKE_SYSTEM_NAME STREQUAL "Windows") AND (CMAKE_CROSSCOMPILING))
   if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
     set(CROSS_CONFIGURE mingw64-configure)
@@ -50,7 +62,7 @@ if((CMAKE_SYSTEM_NAME STREQUAL "Windows") AND (CMAKE_CROSSCOMPILING))
     URL_MD5 ${PLUMED_MD5}
     BUILD_IN_SOURCE 1
     CONFIGURE_COMMAND ${CROSS_CONFIGURE} --disable-shared --disable-bsymbolic
-                                         --disable-python --enable-cxx=11
+                                         --disable-python --enable-cxx=${PLUMED_CXX_STANDARD}
                                          --enable-modules=-adjmat:+crystallization:-dimred:+drr:+eds:-fisst:+funnel:+logmfd:+manyrestraints:+maze:+opes:+multicolvar:-pamm:-piv:+s2cm:-sasa:-ves
                                          ${PLUMED_CONFIG_OMP}
                                          ${PLUMED_CONFIG_MPI}
@@ -81,6 +93,9 @@ if((CMAKE_SYSTEM_NAME STREQUAL "Windows") AND (CMAKE_CROSSCOMPILING))
     DEPENDS plumed_build
     COMMENT "Copying Plumed files"
   )
+  if(CMAKE_PROJECT_NAME STREQUAL "lammps")
+    target_link_libraries(lammps INTERFACE LAMMPS::PLUMED)
+  endif()
 
 else()
 
@@ -134,7 +149,7 @@ else()
       CONFIGURE_COMMAND <SOURCE_DIR>/configure --prefix=<INSTALL_DIR>
                                              ${CONFIGURE_REQUEST_PIC}
                                              --enable-modules=all
-                                             --enable-cxx=11
+                                             --enable-cxx=${PLUMED_CXX_STANDARD}
                                              --disable-python
                                              ${PLUMED_CONFIG_MPI}
                                              ${PLUMED_CONFIG_OMP}
@@ -155,6 +170,9 @@ else()
     endif()
     set_target_properties(LAMMPS::PLUMED PROPERTIES INTERFACE_INCLUDE_DIRECTORIES ${INSTALL_DIR}/include)
     file(MAKE_DIRECTORY ${INSTALL_DIR}/include)
+    if(CMAKE_PROJECT_NAME STREQUAL "lammps")
+      target_link_libraries(lammps PRIVATE LAMMPS::PLUMED)
+    endif()
   else()
     find_package(PkgConfig REQUIRED)
     pkg_check_modules(PLUMED REQUIRED plumed${PLUMED_SUFFIX})
@@ -169,7 +187,9 @@ else()
     endif()
     set_target_properties(LAMMPS::PLUMED PROPERTIES INTERFACE_LINK_LIBRARIES "${PLUMED_LOAD}")
     set_target_properties(LAMMPS::PLUMED PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${PLUMED_INCLUDE_DIRS}")
+    if(CMAKE_PROJECT_NAME STREQUAL "lammps")
+      target_link_libraries(lammps PUBLIC LAMMPS::PLUMED)
+    endif()
   endif()
 endif()
 
-target_link_libraries(lammps PRIVATE LAMMPS::PLUMED)

cmake/Modules/Packages/PYTHON.cmake

@@ -1,6 +1,6 @@
 
 if(NOT Python_INTERPRETER)
-  # backward compatibility with CMake before 3.12 and older LAMMPS documentation
+  # backward compatibility with older LAMMPS documentation
   if(PYTHON_EXECUTABLE)
     set(Python_EXECUTABLE ${PYTHON_EXECUTABLE})
   endif()

cmake/Modules/Packages/SCAFACOS.cmake

@@ -14,27 +14,16 @@ endif()
 option(DOWNLOAD_SCAFACOS "Download ScaFaCoS library instead of using an already installed one" ${DOWNLOAD_SCAFACOS_DEFAULT})
 if(DOWNLOAD_SCAFACOS)
   message(STATUS "ScaFaCoS download requested - we will build our own")
-  set(SCAFACOS_URL "https://github.com/scafacos/scafacos/releases/download/v1.0.1/scafacos-1.0.1.tar.gz" CACHE STRING "URL for SCAFACOS tarball")
-  set(SCAFACOS_MD5 "bd46d74e3296bd8a444d731bb10c1738" CACHE STRING "MD5 checksum of SCAFACOS tarball")
+  set(SCAFACOS_URL "https://github.com/scafacos/scafacos/releases/download/v1.0.4/scafacos-1.0.4.tar.gz" CACHE STRING "URL for SCAFACOS tarball")
+  set(SCAFACOS_MD5 "23867540ec32e63ce71d6ecc105278d2" CACHE STRING "MD5 checksum of SCAFACOS tarball")
   mark_as_advanced(SCAFACOS_URL)
   mark_as_advanced(SCAFACOS_MD5)
   GetFallbackURL(SCAFACOS_URL SCAFACOS_FALLBACK)
 
-
-  # version 1.0.1 needs a patch to compile and linke cleanly with GCC 10 and later.
-  file(DOWNLOAD ${LAMMPS_THIRDPARTY_URL}/scafacos-1.0.1-fix.diff ${CMAKE_CURRENT_BINARY_DIR}/scafacos-1.0.1.fix.diff
-          EXPECTED_HASH MD5=4baa1333bb28fcce102d505e1992d032)
-
-  find_program(HAVE_PATCH patch)
-  if(NOT HAVE_PATCH)
-    message(FATAL_ERROR "The 'patch' program is required to build the ScaFaCoS library")
-  endif()
-
   include(ExternalProject)
   ExternalProject_Add(scafacos_build
     URL     ${SCAFACOS_URL} ${SCAFACOS_FALLBACK}
     URL_MD5 ${SCAFACOS_MD5}
-    PATCH_COMMAND patch -p1 < ${CMAKE_CURRENT_BINARY_DIR}/scafacos-1.0.1.fix.diff
     CONFIGURE_COMMAND <SOURCE_DIR>/configure --prefix=<INSTALL_DIR> --disable-doc
                                              --enable-fcs-solvers=fmm,p2nfft,direct,ewald,p3m
                                              --with-internal-fftw --with-internal-pfft

cmake/Modules/Packages/VORONOI.cmake

@@ -54,5 +54,5 @@ else()
   if(NOT VORO_FOUND)
     message(FATAL_ERROR "Voro++ library not found. Help CMake to find it by setting VORO_LIBRARY and VORO_INCLUDE_DIR, or set DOWNLOAD_VORO=ON to download it")
   endif()
-  target_link_libraries(lammps PRIVATE VORO::VORO)
+  target_link_libraries(lammps PRIVATE VORO::voro++)
 endif()

cmake/Modules/Packages/VTK.cmake

@@ -1,3 +1,5 @@
+# FindVTK requires that C support is enabled when looking for MPI support
+enable_language(C)
 find_package(VTK REQUIRED NO_MODULE)
 target_compile_definitions(lammps PRIVATE -DLAMMPS_VTK)
 if (VTK_MAJOR_VERSION VERSION_LESS 9.0)

cmake/Modules/Testing.cmake

@@ -21,11 +21,11 @@ if(ENABLE_TESTING)
   # also only verified with Fedora Linux > 30 and Ubuntu 18.04 or 22.04+(Ubuntu 20.04 fails)
   if((CMAKE_SYSTEM_NAME STREQUAL "Linux")
       AND ((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") OR (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")))
-    if(((CMAKE_LINUX_DISTRO STREQUAL "Ubuntu") AND
-          ((CMAKE_DISTRO_VERSION VERSION_LESS_EQUAL 18.04) OR (CMAKE_DISTRO_VERSION VERSION_GREATER_EQUAL 22.04)))
+    if(((CMAKE_LINUX_DISTRO STREQUAL "Ubuntu") AND (CMAKE_DISTRO_VERSION VERSION_GREATER_EQUAL 22.04))
         OR ((CMAKE_LINUX_DISTRO STREQUAL "Fedora") AND (CMAKE_DISTRO_VERSION VERSION_GREATER 30)))
       include(CheckCXXCompilerFlag)
       set(CMAKE_CUSTOM_LINKER_DEFAULT default)
+      check_cxx_compiler_flag(--ld-path=${CMAKE_LINKER} HAVE_LD_PATH_FLAG)
       check_cxx_compiler_flag(-fuse-ld=mold HAVE_MOLD_LINKER_FLAG)
       check_cxx_compiler_flag(-fuse-ld=lld HAVE_LLD_LINKER_FLAG)
       check_cxx_compiler_flag(-fuse-ld=gold HAVE_GOLD_LINKER_FLAG)
@@ -50,6 +50,17 @@ if(ENABLE_TESTING)
       if(NOT "${CMAKE_CUSTOM_LINKER}" STREQUAL "default")
         target_link_options(lammps PUBLIC -fuse-ld=${CMAKE_CUSTOM_LINKER})
       endif()
+      if(HAVE_LD_PATH_FLAG)
+        if("${CMAKE_CUSTOM_LINKER}" STREQUAL "mold")
+          target_link_options(lammps PUBLIC --ld-path=${HAVE_MOLD_LINKER_BIN})
+        elseif("${CMAKE_CUSTOM_LINKER}" STREQUAL "lld")
+          target_link_options(lammps PUBLIC --ld-path=${HAVE_LLD_LINKER_BIN})
+        elseif("${CMAKE_CUSTOM_LINKER}" STREQUAL "gold")
+          target_link_options(lammps PUBLIC --ld-path=${HAVE_GOLD_LINKER_BIN})
+        elseif("${CMAKE_CUSTOM_LINKER}" STREQUAL "bfd")
+          target_link_options(lammps PUBLIC --ld-path=${HAVE_BFD_LINKER_BIN})
+        endif()
+      endif()
     endif()
   endif()
 
@@ -102,9 +113,9 @@ endif()
 #######################################
 # select code sanitizer options
 #######################################
-set(ENABLE_SANITIZER "none" CACHE STRING "Select a code sanitizer option (none (default), address, leak, thread, undefined)")
+set(ENABLE_SANITIZER "none" CACHE STRING "Select a code sanitizer option (none (default), address, hwaddress, leak, thread, undefined)")
 mark_as_advanced(ENABLE_SANITIZER)
-set(ENABLE_SANITIZER_VALUES none address leak thread undefined)
+set(ENABLE_SANITIZER_VALUES none address hwaddress leak thread undefined)
 set_property(CACHE ENABLE_SANITIZER PROPERTY STRINGS ${ENABLE_SANITIZER_VALUES})
 validate_option(ENABLE_SANITIZER ENABLE_SANITIZER_VALUES)
 string(TOLOWER ${ENABLE_SANITIZER} ENABLE_SANITIZER)

cmake/Modules/Tools.cmake

@@ -6,6 +6,10 @@ if(BUILD_TOOLS)
   add_executable(stl_bin2txt ${LAMMPS_TOOLS_DIR}/stl_bin2txt.cpp)
   install(TARGETS stl_bin2txt DESTINATION ${CMAKE_INSTALL_BINDIR})
 
+  add_executable(reformat-json ${LAMMPS_TOOLS_DIR}/json/reformat-json.cpp)
+  target_include_directories(reformat-json PRIVATE ${LAMMPS_SOURCE_DIR})
+  install(TARGETS reformat-json DESTINATION ${CMAKE_INSTALL_BINDIR})
+
   include(CheckGeneratorSupport)
   if(CMAKE_GENERATOR_SUPPORT_FORTRAN)
     include(CheckLanguage)
@@ -37,37 +41,6 @@ if(BUILD_TOOLS)
   add_subdirectory(${LAMMPS_TOOLS_DIR}/phonon ${CMAKE_BINARY_DIR}/phana_build)
 endif()
 
-find_package(PkgConfig QUIET)
-if(BUILD_LAMMPS_SHELL)
-  if(NOT PkgConfig_FOUND)
-    message(FATAL_ERROR "Must have pkg-config installed for building LAMMPS shell")
-  endif()
-  find_package(PkgConfig REQUIRED)
-  pkg_check_modules(READLINE IMPORTED_TARGET REQUIRED readline)
-
-  # include resource compiler to embed icons into the executable on Windows
-  if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
-    enable_language(RC)
-    set(ICON_RC_FILE ${LAMMPS_TOOLS_DIR}/lammps-shell/lmpicons.rc)
-  endif()
-
-  add_executable(lammps-shell ${LAMMPS_TOOLS_DIR}/lammps-shell/lammps-shell.cpp ${ICON_RC_FILE})
-  target_include_directories(lammps-shell PRIVATE ${LAMMPS_TOOLS_DIR}/lammps-shell)
-  target_link_libraries(lammps-shell PRIVATE lammps PkgConfig::READLINE)
-
-  # workaround for broken readline pkg-config file on FreeBSD
-  if(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
-    target_include_directories(lammps-shell PRIVATE /usr/local/include)
-  endif()
-  if(CMAKE_SYSTEM_NAME STREQUAL "LinuxMUSL")
-    pkg_check_modules(TERMCAP IMPORTED_TARGET REQUIRED termcap)
-    target_link_libraries(lammps-shell PRIVATE lammps PkgConfig::TERMCAP)
-  endif()
-  install(TARGETS lammps-shell EXPORT LAMMPS_Targets DESTINATION ${CMAKE_INSTALL_BINDIR})
-  install(DIRECTORY ${LAMMPS_TOOLS_DIR}/lammps-shell/icons DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/)
-  install(FILES ${LAMMPS_TOOLS_DIR}/lammps-shell/lammps-shell.desktop DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/applications/)
-endif()
-
 if(BUILD_LAMMPS_GUI)
   get_filename_component(LAMMPS_GUI_DIR ${LAMMPS_SOURCE_DIR}/../tools/lammps-gui ABSOLUTE)
   get_filename_component(LAMMPS_GUI_BIN ${CMAKE_BINARY_DIR}/lammps-gui-build ABSOLUTE)

cmake/packaging/build_linux_tgz.sh

@@ -2,9 +2,10 @@
 
 APP_NAME=lammps-gui
 DESTDIR=${PWD}/../LAMMPS_GUI
+VERSION="$1"
 
 echo "Delete old files, if they exist"
-rm -rf ${DESTDIR} ../LAMMPS_GUI-Linux-amd64.tar.gz
+rm -rf ${DESTDIR} ../LAMMPS_GUI-Linux-amd64*.tar.gz
 
 echo "Create staging area for deployment and populate"
 DESTDIR=${DESTDIR} cmake --install .  --prefix "/"
@@ -71,7 +72,7 @@ do \
 done
 
 pushd ..
-tar -czvvf LAMMPS_GUI-Linux-amd64.tar.gz LAMMPS_GUI
+tar -czvvf LAMMPS_GUI-Linux-amd64-${VERSION}.tar.gz LAMMPS_GUI
 popd
 
 echo "Cleanup dir"

cmake/packaging/build_macos_dmg.sh

@@ -1,9 +1,10 @@
 #!/bin/bash
 
 APP_NAME=lammps-gui
+VERSION="$1"
 
 echo "Delete old files, if they exist"
-rm -f ${APP_NAME}.dmg ${APP_NAME}-rw.dmg LAMMPS_GUI-macOS-multiarch.dmg
+rm -f ${APP_NAME}.dmg ${APP_NAME}-rw.dmg LAMMPS_GUI-macOS-multiarch*.dmg
 
 echo "Create initial dmg file with macdeployqt"
 macdeployqt  lammps-gui.app -dmg
@@ -96,12 +97,12 @@ sync
 
 echo "Unmount modified disk image and convert to compressed read-only image"
 hdiutil detach "${DEVICE}"
-hdiutil convert "${APP_NAME}-rw.dmg" -format UDZO -o "LAMMPS_GUI-macOS-multiarch.dmg"
+hdiutil convert "${APP_NAME}-rw.dmg" -format UDZO -o "LAMMPS_GUI-macOS-multiarch-${VERSION}.dmg"
 
 echo "Attach icon to .dmg file"
 echo "read 'icns' (-16455) \"lammps-gui.app/Contents/Resources/lammps.icns\";" > icon.rsrc
-Rez -a icon.rsrc -o LAMMPS_GUI-macOS-multiarch.dmg
-SetFile -a C LAMMPS_GUI-macOS-multiarch.dmg
+Rez -a icon.rsrc -o LAMMPS_GUI-macOS-multiarch-${VERSION}.dmg
+SetFile -a C LAMMPS_GUI-macOS-multiarch-${VERSION}.dmg
 rm icon.rsrc
 
 echo "Delete temporary disk images"

cmake/packaging/build_windows_cross_zip.sh

@@ -3,9 +3,10 @@
 APP_NAME=lammps-gui
 DESTDIR=${PWD}/LAMMPS_GUI
 SYSROOT="$1"
+VERSION="$2"
 
 echo "Delete old files, if they exist"
-rm -rvf ${DESTDIR}/LAMMPS_GUI ${DESTDIR}/LAMMPS-Win10-amd64.zip
+rm -rvf ${DESTDIR}/LAMMPS_GUI ${DESTDIR}/LAMMPS-Win10-amd64*.zip
 
 echo "Create staging area for deployment and populate"
 DESTDIR=${DESTDIR} cmake --install .  --prefix "/"
@@ -60,5 +61,5 @@ cat > ${DESTDIR}/bin/qt.conf <<EOF
 [Paths]
 Plugins = ../qt5plugins
 EOF
-zip -9rvD LAMMPS-Win10-amd64.zip LAMMPS_GUI
+zip -9rvD LAMMPS-Win10-amd64-${VERSION}.zip LAMMPS_GUI
 

cmake/packaging/linux_wrapper.sh

@@ -7,6 +7,11 @@ export LC_ALL=C
 BASEDIR="$(dirname "$0")"
 EXENAME="$(basename "$0")"
 
+# save old settings (for restoring them later)
+OLDPATH="${PATH}"
+OLDLDLIB="${LD_LIBRARY_PATH}"
+
+# prepend path to find our custom executables
 PATH="${BASEDIR}/bin:${PATH}"
 
 # append to LD_LIBRARY_PATH to prefer local (newer) libs
@@ -15,6 +20,8 @@ LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${BASEDIR}/lib"
 # set some environment variables for LAMMPS etc.
 LAMMPS_POTENTIALS="${BASEDIR}/share/lammps/potentials"
 MSI2LMP_LIBRARY="${BASEDIR}/share/lammps/frc_files"
-export LD_LIBRARY_PATH LAMMPS_POTENTIALS MSI2LMP_LIBRARY PATH
+
+# export everything
+export LD_LIBRARY_PATH LAMMPS_POTENTIALS MSI2LMP_LIBRARY PATH OLDPATH OLDLDLIB
 
 exec "${BASEDIR}/bin/${EXENAME}" "$@"

cmake/packaging/xdg-open

@@ -33,6 +33,14 @@
 #
 #---------------------------------------------
 
+# restore previously saved environment variables, if available
+if [ -n "${OLDPATH}" ]
+then
+    PATH="${OLDPATH}"
+    LD_LIBRARY_PATH="${OLDLDLIB}"
+    export PATH LD_LIBRARY_PATH
+fi
+
 NEW_LIBRARY_PATH="/usr/local/lib64"
 for s in $(echo $LD_LIBRARY_PATH | sed -e 's/:/ /g')
 do \

cmake/presets/all_off.cmake

@@ -4,6 +4,7 @@
 set(ALL_PACKAGES
   ADIOS
   AMOEBA
+  APIP
   ASPHERE
   ATC
   AWPMD
@@ -82,6 +83,7 @@ set(ALL_PACKAGES
   REACTION
   REAXFF
   REPLICA
+  RHEO
   RIGID
   SCAFACOS
   SHOCK

cmake/presets/all_on.cmake

@@ -6,6 +6,7 @@
 set(ALL_PACKAGES
   ADIOS
   AMOEBA
+  APIP
   ASPHERE
   ATC
   AWPMD
@@ -84,6 +85,7 @@ set(ALL_PACKAGES
   REACTION
   REAXFF
   REPLICA
+  RHEO
   RIGID
   SCAFACOS
   SHOCK

cmake/presets/clang.cmake

@@ -1,10 +1,10 @@
 # preset that will enable clang/clang++ with support for MPI and OpenMP (on Linux boxes)
 
 # prefer flang over gfortran, if available
-find_program(CLANG_FORTRAN NAMES flang gfortran f95)
+find_program(CLANG_FORTRAN NAMES flang-new flang gfortran f95)
 set(ENV{OMPI_FC} ${CLANG_FORTRAN})
 get_filename_component(_tmp_fc ${CLANG_FORTRAN} NAME)
-if (_tmp_fc STREQUAL "flang")
+if ((_tmp_fc STREQUAL "flang") OR (_tmp_fc STREQUAL "flang-new"))
   set(FC_STD_VERSION "-std=f2018")
   set(BUILD_MPI OFF)
 else()

cmake/presets/hip_amd.cmake

@@ -19,12 +19,19 @@ set(CMAKE_C_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "" FORCE)
 
 set(MPI_CXX "hipcc" CACHE STRING "" FORCE)
 set(MPI_CXX_COMPILER "mpicxx" CACHE STRING "" FORCE)
+set(MPI_C "hipcc" CACHE STRING "" FORCE)
+set(MPI_C_COMPILER "mpicc" CACHE STRING "" FORCE)
+
+# change as needed. This is for Fedora Linux 41 and 42
+set(_libomp_root "/usr/lib/clang/18")
+# we need to explicitly specify the include dir, since hipcc will
+# compile each file twice and doesn't find omp.h the second time
 
 unset(HAVE_OMP_H_INCLUDE CACHE)
 set(OpenMP_C "hipcc" CACHE STRING "" FORCE)
-set(OpenMP_C_FLAGS "-fopenmp" CACHE STRING "" FORCE)
+set(OpenMP_C_FLAGS "-fopenmp=libomp -I${_libomp_root}/include" CACHE STRING "" FORCE)
 set(OpenMP_C_LIB_NAMES "omp" CACHE STRING "" FORCE)
 set(OpenMP_CXX "hipcc" CACHE STRING "" FORCE)
-set(OpenMP_CXX_FLAGS "-fopenmp" CACHE STRING "" FORCE)
+set(OpenMP_CXX_FLAGS "-fopenmp=libomp -I${_libomp_root}/include" CACHE STRING "" FORCE)
 set(OpenMP_CXX_LIB_NAMES "omp" CACHE STRING "" FORCE)
 set(OpenMP_omp_LIBRARY "libomp.so" CACHE PATH "" FORCE)

cmake/presets/kokkos-cuda.cmake

@@ -1,10 +1,8 @@
 # preset that enables KOKKOS and selects CUDA compilation with OpenMP
-# enabled as well. This preselects CC 5.0 as default GPU arch, since
-# that is compatible with all higher CC, but not the default CC 3.5
+# enabled as well. The GPU architecture *must* match your hardware (If not manually set, Kokkos will try to autodetect it).
 set(PKG_KOKKOS ON CACHE BOOL "" FORCE)
 set(Kokkos_ENABLE_SERIAL ON CACHE BOOL "" FORCE)
 set(Kokkos_ENABLE_CUDA   ON CACHE BOOL "" FORCE)
-set(Kokkos_ARCH_PASCAL60 ON CACHE BOOL "" FORCE)
 set(BUILD_OMP ON CACHE BOOL "" FORCE)
 get_filename_component(NVCC_WRAPPER_CMD ${CMAKE_CURRENT_SOURCE_DIR}/../lib/kokkos/bin/nvcc_wrapper ABSOLUTE)
 set(CMAKE_CXX_COMPILER ${NVCC_WRAPPER_CMD} CACHE FILEPATH "" FORCE)

cmake/presets/kokkos-hip.cmake

@@ -1,22 +1,21 @@
-# preset that enables KOKKOS and selects HIP compilation with OpenMP
-# enabled as well. Also sets some performance related compiler flags.
+# preset that enables KOKKOS and selects HIP compilation withOUT OpenMP.
+# Kokkos OpenMP is not compatible with the second pass of hipcc.
 set(PKG_KOKKOS ON CACHE BOOL "" FORCE)
 set(Kokkos_ENABLE_SERIAL ON CACHE BOOL "" FORCE)
-set(Kokkos_ENABLE_OPENMP ON CACHE BOOL "" FORCE)
+set(Kokkos_ENABLE_OPENMP OFF CACHE BOOL "" FORCE)
 set(Kokkos_ENABLE_CUDA   OFF CACHE BOOL "" FORCE)
 set(Kokkos_ENABLE_HIP    ON CACHE BOOL "" FORCE)
 set(Kokkos_ARCH_VEGA90A on CACHE BOOL "" FORCE)
 set(Kokkos_ENABLE_HIP_MULTIPLE_KERNEL_INSTANTIATIONS ON CACHE BOOL "" FORCE)
 set(BUILD_OMP ON CACHE BOOL "" FORCE)
 
-set(CMAKE_CXX_COMPILER hipcc CACHE STRING "" FORCE)
-set(CMAKE_TUNE_FLAGS "-munsafe-fp-atomics" CACHE STRING "" FORCE)
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -munsafe-fp-atomics" CACHE STRING "" FORCE)
 
-# If KSPACE is also enabled, use CUFFT for FFTs
+# If KSPACE is also enabled, use HIPFFT for FFTs
 set(FFT_KOKKOS "HIPFFT" CACHE STRING "" FORCE)
 
 # hide deprecation warnings temporarily for stable release
-set(Kokkos_ENABLE_DEPRECATION_WARNINGS OFF CACHE BOOL "" FORCE)
+#set(Kokkos_ENABLE_DEPRECATION_WARNINGS OFF CACHE BOOL "" FORCE)
 
 # these flags are needed to build with Cray MPICH on OLCF Crusher
 #-D CMAKE_CXX_FLAGS="-I/${MPICH_DIR}/include"

cmake/presets/kokkos-sycl-intel.cmake

@@ -0,0 +1,30 @@
+# preset that enables KOKKOS and selects SYCL compilation with OpenMP
+# enabled as well. Also sets some performance related compiler flags.
+set(PKG_KOKKOS ON CACHE BOOL "" FORCE)
+set(Kokkos_ENABLE_SERIAL ON CACHE BOOL "" FORCE)
+set(Kokkos_ENABLE_OPENMP ON CACHE BOOL "" FORCE)
+set(Kokkos_ENABLE_CUDA   OFF CACHE BOOL "" FORCE)
+set(Kokkos_ENABLE_SYCL   ON CACHE BOOL "" FORCE)
+
+set(FFT "MKL" CACHE STRING "" FORCE)
+set(FFT_KOKKOS "MKL_GPU" CACHE STRING "" FORCE)
+
+unset(USE_INTERNAL_LINALG)
+unset(USE_INTERNAL_LINALG CACHE)
+set(BLAS_VENDOR "Intel10_64_dyn")
+
+# hide deprecation warnings temporarily for stable release
+set(Kokkos_ENABLE_DEPRECATION_WARNINGS OFF CACHE BOOL "" FORCE)
+
+set(CMAKE_CXX_COMPILER icpx CACHE STRING "" FORCE)
+set(CMAKE_C_COMPILER icx CACHE STRING "" FORCE)
+set(CMAKE_Fortran_COMPILER "" CACHE STRING "" FORCE)
+set(MPI_CXX_COMPILER "mpicxx" CACHE STRING "" FORCE)
+set(CMAKE_CXX_STANDARD 17 CACHE STRING "" FORCE)
+
+# set(_intel_sycl_flags " -w -fsycl -flink-huge-device-code -fsycl-targets=spir64_gen "
+set(_intel_sycl_flags " -w -fsycl -fsycl-device-code-split=per_kernel -fsycl-targets=spir64_gen ")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_intel_sycl_flags}" CACHE STRING "" FORCE)
+
+#set(CMAKE_EXE_LINKER_FLAGS "-fsycl -flink-huge-device-code -fsycl-targets=spir64_gen " CACHE STRING "" FORCE)
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsycl -flink-huge-device-code " CACHE STRING "" FORCE)

cmake/presets/kokkos-sycl-nvidia.cmake

@@ -14,5 +14,7 @@ set(Kokkos_ENABLE_DEPRECATION_WARNINGS OFF CACHE BOOL "" FORCE)
 set(CMAKE_CXX_COMPILER clang++ CACHE STRING "" FORCE)
 set(MPI_CXX_COMPILER "mpicxx" CACHE STRING "" FORCE)
 set(CMAKE_CXX_STANDARD 17 CACHE STRING "" FORCE)
-set(CMAKE_SHARED_LINKER_FLAGS "-Xsycl-target-frontend -O3" CACHE STRING "" FORCE)
-set(CMAKE_TUNE_FLAGS "-fgpu-inline-threshold=100000 -Xsycl-target-frontend -O3  -Xsycl-target-frontend -ffp-contract=on -Wno-unknown-cuda-version" CACHE STRING "" FORCE)
+set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Xsycl-target-frontend -O3 " CACHE STRING "" FORCE)
+
+set(_intel_sycl_flags "-fgpu-inline-threshold=100000 -Xsycl-target-frontend -O3  -Xsycl-target-frontend -ffp-contract=on -Wno-unknown-cuda-version")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_intel_sycl_flags}" CACHE STRING "" FORCE)

cmake/presets/mingw-cross.cmake

@@ -33,7 +33,6 @@ set(WIN_PACKAGES
   FEP
   GPU
   GRANULAR
-  INTEL
   INTERLAYER
   KSPACE
   LEPTON
@@ -68,6 +67,7 @@ set(WIN_PACKAGES
   REACTION
   REAXFF
   REPLICA
+  RHEO
   RIGID
   SHOCK
   SMTBQ
@@ -91,7 +91,7 @@ endif()
 set(DOWNLOAD_VORO ON CACHE BOOL "" FORCE)
 set(DOWNLOAD_EIGEN3 ON CACHE BOOL "" FORCE)
 set(LAMMPS_MEMALIGN "0" CACHE STRING "" FORCE)
-set(CMAKE_TUNE_FLAGS "-Wno-missing-include-dirs" CACHE STRING "" FORCE)
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-missing-include-dirs" CACHE STRING "" FORCE)
 set(CMAKE_EXE_LINKER_FLAGS "-Wl,--enable-stdcall-fixup,--as-needed,-lssp" CACHE STRING "" FORCE)
 set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--enable-stdcall-fixup,--as-needed,-lssp" CACHE STRING "" FORCE)
 set(BUILD_TOOLS ON CACHE BOOL "" FORCE)

cmake/presets/most.cmake

@@ -60,6 +60,7 @@ set(ALL_PACKAGES
   REACTION
   REAXFF
   REPLICA
+  RHEO
   RIGID
   SHOCK
   SPH

cmake/presets/nolib.cmake

@@ -3,6 +3,7 @@
 
 set(PACKAGES_WITH_LIB
   ADIOS
+  APIP
   ATC
   AWPMD
   COMPRESS

cmake/presets/oneapi.cmake

@@ -3,26 +3,9 @@
 set(CMAKE_CXX_COMPILER "icpx" CACHE STRING "" FORCE)
 set(CMAKE_C_COMPILER "icx" CACHE STRING "" FORCE)
 set(CMAKE_Fortran_COMPILER "ifx" CACHE STRING "" FORCE)
-set(CMAKE_CXX_FLAGS_DEBUG "-Wall -Wextra -g" CACHE STRING "" FORCE)
-set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-Wall -Wextra -g -O2 -DNDEBUG" CACHE STRING "" FORCE)
-set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "" FORCE)
-set(CMAKE_Fortran_FLAGS_DEBUG "-Wall -Wextra -g" CACHE STRING "" FORCE)
-set(CMAKE_Fortran_FLAGS_RELWITHDEBINFO "-Wall -Wextra -g -O2 -DNDEBUG" CACHE STRING "" FORCE)
-set(CMAKE_Fortran_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "" FORCE)
-set(CMAKE_C_FLAGS_DEBUG "-Wall -Wextra -g" CACHE STRING "" FORCE)
-set(CMAKE_C_FLAGS_RELWITHDEBINFO "-Wall -Wextra -g -O2 -DNDEBUG" CACHE STRING "" FORCE)
-set(CMAKE_C_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "" FORCE)
-
 set(MPI_CXX "icpx" CACHE STRING "" FORCE)
 set(MPI_CXX_COMPILER "mpicxx" CACHE STRING "" FORCE)
 
-unset(HAVE_OMP_H_INCLUDE CACHE)
-set(OpenMP_C "icx" CACHE STRING "" FORCE)
-set(OpenMP_C_FLAGS "-qopenmp;-qopenmp-simd" CACHE STRING "" FORCE)
-set(OpenMP_C_LIB_NAMES "omp" CACHE STRING "" FORCE)
-set(OpenMP_CXX "icpx" CACHE STRING "" FORCE)
-set(OpenMP_CXX_FLAGS "-qopenmp;-qopenmp-simd" CACHE STRING "" FORCE)
-set(OpenMP_CXX_LIB_NAMES "omp" CACHE STRING "" FORCE)
-set(OpenMP_Fortran_FLAGS "-qopenmp;-qopenmp-simd" CACHE STRING "" FORCE)
-set(OpenMP_omp_LIBRARY "libiomp5.so" CACHE PATH "" FORCE)
+# force using internal BLAS/LAPCK since external ones may not be ABI compatible
+set(USE_INTERNAL_LINALG ON CACHE BOOL "" FORCE)
 

cmake/presets/windows-intel-llvm.cmake

@@ -5,4 +5,4 @@ set(CMAKE_C_COMPILER "icx" CACHE STRING "" FORCE)
 set(CMAKE_Fortran_COMPILER "ifx" CACHE STRING "" FORCE)
 set(INTEL_LRT_MODE "C++11" CACHE STRING "" FORCE)
 unset(HAVE_OMP_H_INCLUDE CACHE)
-set(CMAKE_TUNE_FLAGS -Wno-unused-command-line-argument)
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-command-line-argument" CACHE STRING "" FORCE)

cmake/presets/windows.cmake

@@ -60,6 +60,7 @@ set(WIN_PACKAGES
   REACTION
   REAXFF
   REPLICA
+  RHEO
   RIGID
   SHOCK
   SMTBQ

doc/.gitignore

@@ -17,3 +17,10 @@
 *.el
 /utils/sphinx-config/_static/mathjax
 /utils/sphinx-config/_static/polyfill.js
+/src/pairs.rst
+/src/bonds.rst
+/src/angles.rst
+/src/dihedrals.rst
+/src/impropers.rst
+/src/computes.rst
+/src/fixes.rst

doc/Makefile

@@ -17,9 +17,11 @@ MATHJAXTAG     = 3.2.2
 
 PYTHON         = $(word 3,$(shell type python3))
 DOXYGEN        = $(word 3,$(shell type doxygen))
+PANDOC         = $(word 3,$(shell type pandoc))
 HAS_PYTHON3    = NO
 HAS_DOXYGEN    = NO
 HAS_PDFLATEX   = NO
+HAS_PANDOC     = NO
 
 ifeq ($(shell type python3 >/dev/null 2>&1; echo $$?), 0)
 HAS_PYTHON3    = YES
@@ -31,10 +33,14 @@ endif
 
 ifeq ($(shell type pdflatex >/dev/null 2>&1; echo $$?), 0)
 ifeq ($(shell type latexmk >/dev/null 2>&1; echo $$?), 0)
-HAS_PDFLATEX = YES
+HAS_PDFLATEX   = YES
 endif
 endif
 
+ifeq ($(shell type pandoc >/dev/null 2>&1; echo $$?), 0)
+HAS_PANDOC     = YES
+endif
+
 # override settings for PIP commands
 # PIP_OPTIONS = --cert /etc/pki/ca-trust/extracted/openssl/ca-bundle.trust.crt --proxy http://proxy.mydomain.org
 
@@ -45,8 +51,9 @@ SPHINXEXTRA = -j $(shell $(PYTHON) -c 'import multiprocessing;print(multiprocess
 # we only want to use explicitly listed files.
 DOXYFILES      = $(shell sed -n -e 's/\#.*$$//' -e '/^ *INPUT \+=/,/^[A-Z_]\+ \+=/p' doxygen/Doxyfile.in | sed -e 's/@LAMMPS_SOURCE_DIR@/..\/src/g' -e 's/\\//g' -e 's/ \+/ /' -e 's/[A-Z_]\+ \+= *\(YES\|NO\|\)//') 
 
-.PHONY: help clean-all clean clean-spelling epub mobi html pdf spelling anchor_check style_check char_check role_check xmlgen fasthtml
+.PHONY: help clean-all clean clean-spelling epub mobi html pdf spelling anchor_check style_check char_check role_check xmlgen fasthtml fasthtml-init 
 
+FASTHTMLFILES = $(patsubst $(RSTDIR)/%.rst,fasthtml/%.html,$(wildcard $(RSTDIR)/*rst))
 # ------------------------------------------
 
 help:
@@ -83,14 +90,15 @@ $(SPHINXCONFIG)/conf.py: $(SPHINXCONFIG)/conf.py.in
 	    -e 's,@LAMMPS_PYTHON_DIR@,$(BUILDDIR)/../python,g' \
 	    -e 's,@LAMMPS_DOC_DIR@,$(BUILDDIR),g' $< > $@
 
-html: xmlgen $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK) $(MATHJAX)
+globbed-tocs:
+	$(PYTHON) $(BUILDDIR)/utils/make-globbed-tocs.py -d $(RSTDIR)
+
+html: xmlgen globbed-tocs $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK) $(MATHJAX)
 	@if [ "$(HAS_BASH)" == "NO" ] ; then echo "bash was not found at $(OSHELL)! Please use: $(MAKE) SHELL=/path/to/bash" 1>&2; exit 1; fi
 	@$(MAKE) $(MFLAGS) -C graphviz all
 	@(\
 		. $(VENV)/bin/activate ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
 		sphinx-build -E $(SPHINXEXTRA) -b html -c $(SPHINXCONFIG) -d $(BUILDDIR)/doctrees $(RSTDIR) html ;\
-		touch $(RSTDIR)/Fortran.rst ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
-		sphinx-build $(SPHINXEXTRA) -b html -c $(SPHINXCONFIG) -d $(BUILDDIR)/doctrees $(RSTDIR) html ;\
 		ln -sf Manual.html html/index.html;\
 		rm -f $(BUILDDIR)/doxygen/xml/run.stamp;\
 		echo "############################################" ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
@@ -102,6 +110,8 @@ html: xmlgen $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK) $(MATHJAX)
 		env LC_ALL=C grep -n ':\(ref\|doc\):[^`]' $(RSTDIR)/*.rst ;\
 		env LC_ALL=C grep -n '\(ref\|doc\)`[^`]' $(RSTDIR)/*.rst ;\
 		$(PYTHON) $(BUILDDIR)/utils/check-styles.py -s ../src -d src ;\
+		env LC_ALL=C grep -n -E '^ *\.\. [a-z0-9]+:(\s+.*|)$$' \
+                         $(RSTDIR)/*.rst ../src/*.{cpp,h} ../src/*/*.{cpp,h} ;\
 		echo "############################################" ;\
 		deactivate ;\
 	)
@@ -113,26 +123,24 @@ html: xmlgen $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK) $(MATHJAX)
 	@rm -rf html/PDF/.[sg]*
 	@echo "Build finished. The HTML pages are in doc/html."
 
-fasthtml: xmlgen $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK) $(MATHJAX)
-	@if [ "$(HAS_BASH)" == "NO" ] ; then echo "bash was not found at $(OSHELL)! Please use: $(MAKE) SHELL=/path/to/bash" 1>&2; exit 1; fi
-	@$(MAKE) $(MFLAGS) -C graphviz all
-	@mkdir -p fasthtml
-	@(\
-		. $(VENV)/bin/activate ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
-		sphinx-build $(SPHINXEXTRA) -b html -c $(SPHINXCONFIG) -d $(BUILDDIR)/fasthtml/doctrees $(RSTDIR) fasthtml ;\
-		touch $(RSTDIR)/Fortran.rst ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
-		sphinx-build $(SPHINXEXTRA) -b html -c $(SPHINXCONFIG) -d $(BUILDDIR)/fasthtml/doctrees $(RSTDIR) fasthtml ;\
-		deactivate ;\
-	)
-	@rm -rf fasthtml/_sources
-	@rm -rf fasthtml/PDF
-	@rm -rf fasthtml/USER
-	@rm -rf fasthtml/JPG
-	@cp -r src/PDF fasthtml/PDF
-	@rm -rf fasthtml/PDF/.[sg]*
+fasthtml: fasthtml-init $(FASTHTMLFILES)
 	@echo "Fast HTML build finished. The HTML pages are in doc/fasthtml."
 
-spelling: xmlgen $(SPHINXCONFIG)/conf.py $(VENV) $(SPHINXCONFIG)/false_positives.txt
+fasthtml-init:
+	@mkdir -p fasthtml/JPG
+	@cp src/JPG/*.* fasthtml/JPG
+	@cp $(RSTDIR)/accel_styles.rst $(RSTDIR)/lepton_expression.rst fasthtml/
+	@cp $(BUILDDIR)/utils/pandoc.css fasthtml/
+
+fasthtml/%.html: $(RSTDIR)/%.rst
+	@if [ "$(HAS_PANDOC)" == "NO" ] ; then echo "Make 'fasthtml' requires the 'pandoc' software" 1>&2; exit 1; fi
+	@mkdir -p fasthtml
+	@echo converting $< to $@
+	@sed -e 's/\\AA/\\mathring{\\mathrm{A}}/g' $< > fasthtml/$*.temp.rst
+	@pandoc -s --mathml --css="pandoc.css" --template=$(BUILDDIR)/utils/pandoc.html --metadata title="$@" -o $@ fasthtml/$*.temp.rst
+	@rm -f fasthtml/$*.temp.rst
+
+spelling: xmlgen globbed-tocs $(SPHINXCONFIG)/conf.py $(VENV) $(SPHINXCONFIG)/false_positives.txt
 	@if [ "$(HAS_BASH)" == "NO" ] ; then echo "bash was not found at $(OSHELL)! Please use: $(MAKE) SHELL=/path/to/bash" 1>&2; exit 1; fi
 	@(\
 		. $(VENV)/bin/activate ; \
@@ -143,7 +151,7 @@ spelling: xmlgen $(SPHINXCONFIG)/conf.py $(VENV) $(SPHINXCONFIG)/false_positives
 	)
 	@echo "Spell check finished."
 
-epub: xmlgen $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK)
+epub: xmlgen globbed-tocs $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK)
 	@if [ "$(HAS_BASH)" == "NO" ] ; then echo "bash was not found at $(OSHELL)! Please use: $(MAKE) SHELL=/path/to/bash" 1>&2; exit 1; fi
 	@$(MAKE) $(MFLAGS) -C graphviz all
 	@mkdir -p epub/JPG
@@ -152,8 +160,6 @@ epub: xmlgen $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK)
 	@(\
 		. $(VENV)/bin/activate ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
 		sphinx-build -E $(SPHINXEXTRA) -b epub -c $(SPHINXCONFIG) -d $(BUILDDIR)/doctrees $(RSTDIR) epub ;\
-		touch $(RSTDIR)/Fortran.rst ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
-		sphinx-build $(SPHINXEXTRA) -b epub -c $(SPHINXCONFIG) -d $(BUILDDIR)/doctrees $(RSTDIR) epub ;\
 		rm -f $(BUILDDIR)/doxygen/xml/run.stamp;\
 		deactivate ;\
 	)
@@ -166,15 +172,13 @@ mobi: epub
 	@ebook-convert LAMMPS.epub LAMMPS.mobi
 	@echo "Conversion finished. The MOBI manual file is created."
 
-pdf: xmlgen $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK)
+pdf: xmlgen globbed-tocs $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK)
 	@if [ "$(HAS_BASH)" == "NO" ] ; then echo "bash was not found at $(OSHELL)! Please use: $(MAKE) SHELL=/path/to/bash" 1>&2; exit 1; fi
 	@$(MAKE) $(MFLAGS) -C graphviz all
 	@if [ "$(HAS_PDFLATEX)" == "NO" ] ; then echo "PDFLaTeX or latexmk were not found! Please check README for further instructions" 1>&2; exit 1; fi
 	@(\
 		. $(VENV)/bin/activate ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
 		sphinx-build -E $(SPHINXEXTRA) -b latex -c $(SPHINXCONFIG) -d $(BUILDDIR)/doctrees $(RSTDIR) latex ;\
-		touch $(RSTDIR)/Fortran.rst ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
-		sphinx-build  $(SPHINXEXTRA) -b latex -c $(SPHINXCONFIG) -d $(BUILDDIR)/doctrees $(RSTDIR) latex ;\
 		rm -f $(BUILDDIR)/doxygen/xml/run.stamp;\
 		echo "############################################" ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
 		rst_anchor_check src/*.rst ;\
@@ -185,6 +189,8 @@ pdf: xmlgen $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK)
 		env LC_ALL=C grep -n ':\(ref\|doc\):[^`]' $(RSTDIR)/*.rst ;\
 		env LC_ALL=C grep -n '\(ref\|doc\)`[^`]' $(RSTDIR)/*.rst ;\
 		$(PYTHON) utils/check-styles.py -s ../src -d src ;\
+		env LC_ALL=C grep -n -E '^ *\.\. [a-z0-9]+:(\s+.*|)$$' \
+                         $(RSTDIR)/*.rst ../src/*.{cpp,h} ../src/*/*.{cpp,h} ;\
 		echo "############################################" ;\
 		deactivate ;\
 	)
@@ -234,6 +240,8 @@ role_check :
 	@( env LC_ALL=C grep -n ' `[^`]\+<[a-z][^`]\+`[^_]' $(RSTDIR)/*.rst && exit 1 || : )
 	@( env LC_ALL=C grep -n ':\(ref\|doc\):[^`]' $(RSTDIR)/*.rst && exit 1 || : )
 	@( env LC_ALL=C grep -n '\(ref\|doc\)`[^`]' $(RSTDIR)/*.rst && exit 1 || : )
+	@( env LC_ALL=C grep -n -E '^ *\.\. [a-z0-9]+:(\s+.*|)$$' \
+                        $(RSTDIR)/*.rst ../src/*.{cpp,h} ../src/*/*.{cpp,h} && exit 1 || : )
 
 link_check : $(VENV) html
 	@(\
@@ -242,6 +250,15 @@ link_check : $(VENV) html
 		deactivate ;\
 	)
 
+upgrade: $(VENV)
+	@(\
+		. $(VENV)/bin/activate; \
+		pip $(PIP_OPTIONS) install --upgrade pip; \
+		pip $(PIP_OPTIONS) install --upgrade wheel; \
+		pip $(PIP_OPTIONS) install --upgrade -r $(BUILDDIR)/utils/requirements.txt; \
+		deactivate;\
+	)
+
 xmlgen : doxygen/xml/index.xml
 
 doxygen/Doxyfile: doxygen/Doxyfile.in

doc/README

@@ -22,12 +22,12 @@ doxygen-warn.log  logfile with warnings from running doxygen
 and:
 
 github-development-workflow.md   notes on the LAMMPS development workflow
-include-file-conventions.md      notes on LAMMPS' include file conventions
 documentation_conventions.md     notes on writing documentation for LAMMPS
 
 If you downloaded a LAMMPS tarball from www.lammps.org, then the html
 folder and the PDF manual should be included. If you downloaded LAMMPS
-from GitHub then you either need to build them.
+using GitHub then you either need to build them yourself or read the
+online version at https://docs.lammps.org/
 
 You can build the HTML and PDF files yourself, by typing "make html"
 or by "make pdf", respectively.  This requires various tools and files.
@@ -39,10 +39,10 @@ environment and local folders.
 
 Installing prerequisites for the documentation build
 
-To run the HTML documention build toolchain, python 3.x, doxygen, git,
-and the venv python module have to be installed if not already available.
-Also internet access is initially required to download external files
-and tools.
+To run the HTML documention build toolchain, python 3.8 or later,
+doxygen 1.8.10 or later, git, and the venv python module have to be
+installed if not already available.  Also internet access is initially
+required to download external files and tools.
 
 Building the PDF format manual requires in addition a compatible LaTeX
 installation with support for PDFLaTeX and several add-on LaTeX packages
@@ -52,16 +52,24 @@ installed.  This includes:
 - babel
 - capt-of
 - cmap
+- dvipng
+- ellipse
 - fncychap
+- fontawesom
 - framed
 - geometry
+- gyre
 - hyperref
 - hypcap
 - needspace
+- pict2e
 - times
 - tabulary
+- titlesec
 - upquote
 - wrapfig
+- xindy
+
 Also the latexmk script is required to run PDFLaTeX and related tools.
 the required number of times to have self-consistent output and include
 updated bibliography and indices.

doc/documentation_conventions.md

@@ -10,7 +10,7 @@ Last change: 2022-12-30
 
 In fall 2019, the LAMMPS documentation file format has changed from a
 home grown markup designed to generate HTML format files only, to
-[reStructuredText](https://docutils.sourceforge.io/rst.html>.  For a
+[reStructuredText](https://docutils.sourceforge.io/rst.html>).  For a
 transition period all files in the old .txt format were transparently
 converted to .rst and then processed.  The `txt2rst tool` is still
 included in the distribution to obtain an initial .rst file for legacy
@@ -45,8 +45,7 @@ what kind of information and sections are needed.
 
 ## Formatting conventions
 
-For headlines we try to follow the conventions posted here:
-https://documentation-style-guide-sphinx.readthedocs.io/en/latest/style-guide.html#headings
+For headlines we try to follow the conventions posted [here](https://documentation-style-guide-sphinx.readthedocs.io/en/latest/style-guide.html#headings).
 It seems to be sufficient to have this consistent only within
 any single file and it is not (yet) enforced strictly, but making
 this globally consistent makes it easier to move sections around.
@@ -64,7 +63,7 @@ Groups of shell commands or LAMMPS input script or C/C++/Python source
 code should be typeset into a `.. code-block::` section. A syntax
 highlighting extension for LAMMPS input scripts is provided, so `LAMMPS`
 can be used to indicate the language in the code block in addition to
-`bash`, `c`, `c++`, `console`, `csh`, `diff', `fortran`, `json`, `make`,
+`bash`, `c`, `c++`, `console`, `csh`, `diff`, `fortran`, `json`, `make`,
 `perl`, `powershell`, `python`, `sh`, or `tcl`, `text`, or `yaml`.  When
 no syntax style is indicated, no syntax highlighting is performed.  When
 typesetting commands executed on the shell, please do not prefix
@@ -84,7 +83,7 @@ block can be used, followed by multiple `.. tab::` blocks, one
 for each alternative. This is only used for HTML output. For other
 outputs, the `.. tabs::` directive is transparently removed and
 the individual `.. tab::` blocks will be replaced with an
-`.. admonition::`` block. Thus in PDF and ePUB output those will
+`.. admonition::` block. Thus in PDF and ePUB output those will
 be realized as sequential and plain notes.
 
 Special remarks can be highlighted with a `.. note::` block and

doc/doxygen/Doxyfile.in

@@ -2,7 +2,7 @@
 
 DOXYFILE_ENCODING      = UTF-8
 PROJECT_NAME           = "LAMMPS Programmer's Guide"
-PROJECT_NUMBER         = "4 May 2022"
+PROJECT_NUMBER         = "19 November 2024"
 PROJECT_BRIEF          = "Documentation of the LAMMPS library interface and Python wrapper"
 PROJECT_LOGO           = lammps-logo.png
 CREATE_SUBDIRS         = NO

doc/github-development-workflow.md

@@ -6,7 +6,9 @@ choices the LAMMPS developers have agreed on. Git and GitHub provide the
 tools, but do not set policies, so it is up to the developers to come to
 an agreement as to how to define and interpret policies. This document
 is likely to change as our experiences and needs change, and we try to
-adapt it accordingly. Last change 2023-02-10.
+adapt it accordingly.
+
+Last change: 2023-02-10
 
 ## Table of Contents
 
@@ -72,7 +74,7 @@ be assigned to signal urgency to merge this pull request quickly.
 People can be assigned to review a pull request in two ways:
 
   * They can be assigned manually to review a pull request
-    by the submitter or a LAMMPS developer
+    by the submitter or a LAMMPS developer.
   * They can be automatically assigned, because a developer's GitHub
     handle matches a file pattern in the `.github/CODEOWNERS` file,
     which associates developers with the code they contributed and
@@ -86,9 +88,9 @@ required before merging, in addition to passing all automated
 compilation and unit tests.  Merging counts as implicit approval, so
 does submission of a pull request (by a LAMMPS developer). So the person
 doing the merge may not also submit an approving review.  The GitHub
-feature, that reviews from code owners are "hard" reviews (i.e. they
-must all approve before merging is allowed), is currently disabled.
-It is in the discretion of the merge maintainer to assess when a
+feature that reviews from code owners are "hard" reviews (i.e. they
+must all approve before merging is allowed) is currently disabled.
+It is at the discretion of the merge maintainer to assess when a
 sufficient degree of approval has been reached, especially from external
 collaborators.  Reviews may be (automatically) dismissed, when the
 reviewed code has been changed. Review may be requested a second time.
@@ -147,7 +149,8 @@ only contain bug fixes, feature additions to peripheral functionality,
 and documentation updates.  In between stable releases, bug fixes and
 infrastructure updates are back-ported from the "develop" branch to the
 "maintenance" branch and occasionally merged into "stable" and published
-as update releases.
+as update releases. Further explanation of LAMMPS versions can be found
+[in the documentation](https://docs.lammps.org/Manual_version.html).
 
 ## Project Management
 

doc/graphviz/lammps-releases.dot

@@ -5,13 +5,13 @@ digraph releases {
     github -> develop [label="Merge commits"];
     {
         rank = "same";
-        work [shape="none" label="Development branches:"]
+        work [shape="none" label="Development branches:" fontname="bold"]
         develop [label="'develop' branch" height=0.75];
         maintenance [label="'maintenance' branch" height=0.75];
     };
     {
         rank = "same";
-        upload [shape="none" label="Release branches:"]
+        upload [shape="none" label="Release branches:" fontname="bold"]
         release [label="'release' branch" height=0.75];
         stable [label="'stable' branch" height=0.75];
     };
@@ -22,7 +22,7 @@ digraph releases {
     maintenance -> stable [label="Updates to stable release"];
     {
         rank = "same";
-        tag [shape="none" label="Applied tags:"];
+        tag [shape="none" label="Applied tags:" fontname="bold"];
         patchtag [shape="box" label="patch_<date>"];
         stabletag [shape="box" label="stable_<date>"];
         updatetag [shape="box" label="stable_<date>_update<num>"];

doc/lammps.1

@@ -1,7 +1,7 @@
-.TH LAMMPS "1" "27 June 2024" "2024-06-27"
+.TH LAMMPS "1" "12 June 2025" "2025-06-12"
 .SH NAME
 .B LAMMPS
-\- Molecular Dynamics Simulator.  Version 27 June 2024
+\- Molecular Dynamics Simulator.  Version 12 June 2025
 
 .SH SYNOPSIS
 .B lmp
@@ -226,6 +226,20 @@ arguments of the "dump" command. See the
 .B LAMMPS
 manual for details on either of the two commands.
 .TP
+\fB\-r2info <restart file> <keyword> ...\fR or
+\fB\-restart2info <restart file> <keyword> ...\fR
+Write information about the <restart file> previously written by
+.B LAMMPS
+to the screen and immediately exit.  Following <restart file>
+argument, additional keywords for the
+.B LAMMPS
+"info" command may be added to increase the amount of information
+written. By default "system" "group" "fix" "compute" are already
+set. See the
+.B LAMMPS
+manual for details on the "info" command.
+.TP
+.TP
 \fB\-sc <file name>\fR or \fB\-screen <file name>\fR
 Specify a file for
 .B LAMMPS
@@ -297,7 +311,7 @@ the chapter on errors in the
 manual gives some additional information about error messages, if possible.
 
 .SH COPYRIGHT
-© 2003--2024 Sandia Corporation
+© 2003--2025 Sandia Corporation
 
 This package is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License version 2 as

doc/msi2lmp.1

@@ -1,4 +1,4 @@
-.TH MSI2LMP "1" "v3.9.10" "2023-03-10"
+.TH MSI2LMP "1" "v3.9.11" "2024-09-06"
 .SH NAME
 .B MSI2LMP
 \- Converter for Materials Studio files to LAMMPS
@@ -101,7 +101,7 @@ msi2lmp decane -c 0 -f oplsaa
 
 
 .SH COPYRIGHT
-© 2003--2022 Sandia Corporation
+© 2003--2024 Sandia Corporation
 
 This package is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License version 2 as

doc/src/Bibliography.rst

@@ -1,6 +1,12 @@
 Bibliography
 ************
 
+**(Abascal1)**
+   Abascal, Sanz, Fernandez, Vega, J Chem Phys, 122, 234511 (2005)
+
+**(Abascal2)**
+   Abascal, J Chem Phys, 123, 234505 (2005)
+
 **(Ackland)**
    Ackland, Jones, Phys Rev B, 73, 054104 (2006).
 
@@ -22,21 +28,24 @@ Bibliography
 **(Agnolin and Roux 2007)**
    Agnolin, I. & Roux, J-N. (2007). Internal states of model isotropic granular packings. I. Assembling process, geometry, and contact networks. Phys. Rev. E, 76, 061302.
 
+**(Ahrens-Iwers2022)**
+   Ahrens-Iwers *et al.*, J. Chem. Phys. 157, 084801 (2022).
+
+**(Ahrens-Iwers)**
+   Ahrens-Iwers and Meissner, J. Chem. Phys. 155, 104104 (2021).
+
 **(Aktulga)**
    Aktulga, Fogarty, Pandit, Grama, Parallel Computing, 38, 245-259 (2012).
 
 **(Albe)**
    J.\  Nord, K. Albe, P. Erhart, and K. Nordlund, J. Phys.: Condens. Matter, 15, 5649(2003).
 
-**(Albe)**
+**(Albe1)**
    K.\  Albe, K. Nordlund, J. Nord, and A. Kuronen, Phys. Rev. B, 66, 035205 (2002).
 
 **(Allen)**
    Allen and Germano, Mol Phys 104, 3225-3235 (2006).
 
-**(Allen)**
-   Allen and Tildesley, Computer Simulation of Liquids, Clarendon Press, Oxford, 1987.
-
 **(AllenTildesley)**
    Allen and Tildesley, Computer Simulation of Liquids, Oxford University Press (1987)
 
@@ -49,6 +58,9 @@ Bibliography
 **(Anderson)**
    Anderson, Mukherjee, Critchley, Ziegler, and Lipton "POEMS: Parallelizable Open-source Efficient Multibody Software ", Engineering With Computers (2006).
 
+**(Appshaw)**
+   Appshaw, Seddon, Hanna, Soft. Matter,18, 1747(2022).
+
 **(Avendano)**
    C.\  Avendano, T. Lafitte, A. Galindo, C. S. Adjiman, G. Jackson, E. Muller, J Phys Chem B, 115, 11154 (2011).
 
@@ -58,7 +70,7 @@ Bibliography
 **(Babadi)**
    Babadi, Ejtehadi, Everaers, J Comp Phys, 219, 770-779 (2006).
 
-**(Babadi)**
+**(Babadi2)**
    Babadi and Ejtehadi, EPL, 77 (2007) 23002.
 
 **(Baczewski)**
@@ -73,23 +85,23 @@ Bibliography
 **(Ballenegger)**
    Ballenegger, Arnold, Cerda, J Chem Phys, 131, 094107 (2009).
 
-**(Banna)**
-   Volkov, Banna, Comp. Mater. Sci. 176, 109410 (2020).
-
 **(Barrat)**
    Barrat and Rodney, J. Stat. Phys, 144, 679 (2011).
 
 **(Barrett)**
    Barrett, Tschopp, El Kadiri, Scripta Mat. 66, p.666 (2012).
 
+**(Barros)**
+   Barros, Sinkovits, Luijten, J. Chem. Phys, 140, 064903 (2014)
+
 **(Bartok)**
    Bartok, Payne, Risi, Csanyi, Phys Rev Lett, 104, 136403 (2010).
 
 **(Bartok2010)**
    Bartok, Payne, Risi, Csanyi, Phys Rev Lett, 104, 136403 (2010).
 
-**(Bartok_2010)**
-   AP Bartok, MC Payne, R Kondor, and G Csanyi, Physical Review Letters 104, 136403 (2010).
+**(Bartok2013)**
+   Bartok, Kondor, Csanyi, Phys Rev B, 87, 184115 (2013).
 
 **(Bartok_PhD)**
    A Bartok-Partay, PhD Thesis, University of Cambridge, (2010).
@@ -97,36 +109,51 @@ Bibliography
 **(Baskes)**
    Baskes, Phys Rev B, 46, 2727-2742 (1992).
 
+**(Baskes2)**
+   Baskes, Phys Rev B, 75, 094113 (2007).
+
 **(Beck)**
    Beck, Molecular Physics, 14, 311 (1968).
 
+**(Becton)**
+   Becton, Averett, Wang, Biomech. Model. Mechanobiology, 18, 425-433(2019).
+
+**(Behler and Parrinello 2007)**
+   Behler, J.; Parrinello, M. Phys. Rev. Lett.  2007, 98 (14), 146401.
+
 **(Bennet)**
    Bennet, J Comput Phys, 22, 245 (1976)
 
 **(Berardi)**
    Berardi, Fava, Zannoni, Chem Phys Lett, 297, 8-14 (1998). Berardi, Muccioli, Zannoni, J Chem Phys, 128, 024905 (2008).
 
-**(Berendsen)**
-   Berendsen, Grigera, Straatsma, J Phys Chem, 91, 6269-6271 (1987).
-
 **(Berendsen)**
    Berendsen, Postma, van Gunsteren, DiNola, Haak, J Chem Phys, 81, 3684 (1984).
 
+**(Berendsen2)**
+   Berendsen, Grigera, Straatsma, J Phys Chem, 91, 6269-6271 (1987).
+
 **(Bessarab)**
    Bessarab, Uzdin, Jonsson, Comp Phys Comm, 196, 335-347 (2015).
 
 **(Beutler)**
    Beutler, Mark, van Schaik, Gerber, van Gunsteren, Chem Phys Lett, 222, 529 (1994).
 
-**(Bialke)**
-   J.\  Bialke, T. Speck, and H Loewen, Phys. Rev. Lett. 108, 168301, 2012.
-
 **(Bird)**
    G.\  A. Bird, "Molecular Gas Dynamics and the Direct Simulation of Gas Flows" (1994).
 
 **(Bitzek)**
    Bitzek, Koskinen, Gahler, Moseler, Gumbsch, Phys Rev Lett, 97, 170201 (2006).
 
+**(Bolintineanu1)**
+   Bolintineanu, Lechman, Plimpton, Grest, Phys Rev E, 86, 066703 (2012).
+
+**(Bolintineanu2)**
+  Bolintineanu, Grest, Lechman, Pierce, Plimpton, Schunk, Comp Particle Mechanics, 1, 321-356 (2014).
+
+**(Bomont)**
+   Bomont, Bretonnet, J. Chem. Phys. 124, 054504 (2006).
+
 **(Bond)**
    Bond and Leimkuhler, SIAM J Sci Comput, 30, p 134 (2007).
 
@@ -134,7 +161,7 @@ Bibliography
    Boone, Babaei, Wilmer, J Chem Theory Comput, 15, 5579--5587 (2019).
 
 **(BoreschKarplus)**
-   Boresch and Karplus, J Phys Chem A, 103, 103 (1999)
+   Boresch and Karplus, J Phys Chem A, 103, 103 (1999).
 
 **(Botu1)**
    V.\  Botu and R. Ramprasad, Int. J. Quant. Chem., 115(16), 1074 (2015).
@@ -169,8 +196,11 @@ Bibliography
 **(Buck)**
    Buck, Bouguet-Bonnet, Pastor, MacKerell Jr., Biophys J, 90, L36 (2006).
 
+**(Bulacu)**
+   Bulacu, Goga, Zhao, Rossi, Monticelli, Periole, Tieleman, Marrink, J Chem Theory Comput, 9, 3282-3292
+
 **(Bussi)**
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doc/src/Build.rst

@@ -1,10 +1,14 @@
 Build LAMMPS
 ============
 
-LAMMPS is built as a library and an executable from source code using
-either traditional makefiles for use with GNU make (which may require
-manual editing), or using a build environment generated by CMake (Unix
-Makefiles, Ninja, Xcode, Visual Studio, KDevelop, CodeBlocks and more).
+LAMMPS is built as a library and an executable from source code using a
+build environment generated by CMake (Unix Makefiles, Ninja, Xcode,
+Visual Studio, KDevelop, CodeBlocks and more depending on the platform).
+Using CMake is the preferred way to build LAMMPS.  In addition, LAMMPS
+can be compiled using the legacy build system based on traditional
+makefiles for use with GNU make (which may require manual editing).
+Support for the legacy build system is slowly being phased out and may
+not be available for all optional features.
 
 As an alternative, you can download a package with pre-built executables
 or automated build trees, as described in the :doc:`Install <Install>`
@@ -13,6 +17,7 @@ section of the manual.
 .. toctree::
    :maxdepth: 1
 
+   Build_prerequisites
    Build_cmake
    Build_make
    Build_link

doc/src/Build_basics.rst

@@ -37,8 +37,9 @@ standard. A more detailed discussion of that is below.
 
       .. code-block:: bash
 
-         -D BUILD_MPI=value        # yes or no, default is yes if CMake finds MPI, else no
-         -D BUILD_OMP=value        # yes or no, default is yes if a compatible compiler is detected
+         -D BUILD_MPI=value        # yes or no, default is yes if CMake finds MPI
+         -D BUILD_OMP=value        # yes or no, default is yes if a compatible
+                                   # compiler is detected
          -D LAMMPS_MACHINE=name    # name = mpi, serial, mybox, titan, laptop, etc
                                    # no default value
 
@@ -54,9 +55,9 @@ standard. A more detailed discussion of that is below.
 
       .. code-block:: bash
 
-         make mpi                # parallel build, produces lmp_mpi using Makefile.mpi
-         make serial             # serial build, produces lmp_serial using Makefile/serial
-         make mybox              # uses Makefile.mybox to produce lmp_mybox
+         make mpi      # parallel build, produces lmp_mpi using Makefile.mpi
+         make serial   # serial build, produces lmp_serial using Makefile/serial
+         make mybox    # uses Makefile.mybox to produce lmp_mybox
 
       Any ``make machine`` command will look up the make settings from a
       file ``Makefile.machine`` in the folder ``src/MAKE`` or one of its
@@ -74,15 +75,15 @@ standard. A more detailed discussion of that is below.
       this is ``-fopenmp``\ , which can be added to the ``CC`` and
       ``LINK`` makefile variables.
 
-      For the serial build the following make variables are set (see src/MAKE/Makefile.serial):
+      For the serial build the following make variables are set (see ``src/MAKE/Makefile.serial``):
 
       .. code-block:: make
 
-         CC =            g++
-         LINK =          g++
-         MPI_INC =       -I../STUBS
-         MPI_PATH =      -L../STUBS
-         MPI_LIB =       -lmpi_stubs
+         CC =       g++
+         LINK =     g++
+         MPI_INC =  -I../STUBS
+         MPI_PATH = -L../STUBS
+         MPI_LIB =  -lmpi_stubs
 
       You also need to build the STUBS library for your platform before
       making LAMMPS itself.  A ``make serial`` build does this for you
@@ -159,7 +160,7 @@ with the OpenMP 3.1 semantics used in LAMMPS for maximal compatibility
 with compiler versions in use.  If compilation with OpenMP enabled fails
 because of your compiler requiring strict OpenMP 4.0 semantics, you can
 change the behavior by adding ``-D LAMMPS_OMP_COMPAT=4`` to the
-``LMP_INC`` variable in your makefile, or add it to the command line
+``LMP_INC`` variable in your makefile, or add it to the command-line flags
 while configuring with CMake.  LAMMPS will auto-detect a suitable setting
 for most GNU, Clang, and Intel compilers.
 
@@ -195,22 +196,23 @@ LAMMPS.
 
    .. tab:: CMake build
 
-      By default CMake will use the compiler it finds according to
+      By default CMake will use the compiler it finds according to its
       internal preferences, and it will add optimization flags
       appropriate to that compiler and any :doc:`accelerator packages
       <Speed_packages>` you have included in the build.  CMake will
       check if the detected or selected compiler is compatible with the
       C++ support requirements of LAMMPS and stop with an error, if this
-      is not the case.
+      is not the case.  A C++11 compatible compiler is currently
+      required, but a transition to require C++17 is in progress and
+      planned to be completed in Summer 2025. Currently, setting
+      ``-DLAMMPS_CXX11=yes`` is required when configuring with CMake while
+      using a C++11 compatible compiler that does not support C++17,
+      otherwise setting ``-DCMAKE_CXX_STANDARD=17`` is preferred.
 
       You can tell CMake to look for a specific compiler with setting
       CMake variables (listed below) during configuration.  For a few
       common choices, there are also presets in the ``cmake/presets``
-      folder.  For convenience, there is a ``CMAKE_TUNE_FLAGS`` variable
-      that can be set to apply global compiler options (applied to
-      compilation only), to be used for adding compiler or host specific
-      optimization flags in addition to the "flags" variables listed
-      below. You may also specify the corresponding ``CMAKE_*_FLAGS``
+      folder.  You may also specify the corresponding ``CMAKE_*_FLAGS``
       variables individually, if you want to experiment with alternate
       optimization flags.  You should specify all 3 compilers, so that
       the (few) LAMMPS source files written in C or Fortran are built
@@ -222,6 +224,8 @@ LAMMPS.
          -D CMAKE_C_COMPILER=name              # name of C compiler
          -D CMAKE_Fortran_COMPILER=name        # name of Fortran compiler
 
+         -D CMAKE_CXX_STANDARD=17              # put compiler in C++17 mode
+         -D LAMMPS_CXX11=yes                   # enforce compilation in C++11 mode
          -D CMAKE_CXX_FLAGS=string             # flags to use with C++ compiler
          -D CMAKE_C_FLAGS=string               # flags to use with C compiler
          -D CMAKE_Fortran_FLAGS=string         # flags to use with Fortran compiler
@@ -231,35 +235,39 @@ LAMMPS.
       .. code-block:: bash
 
          # Building with GNU Compilers:
-         cmake ../cmake -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ -DCMAKE_Fortran_COMPILER=gfortran
-         # Building with Intel Compilers:
-         cmake ../cmake -DCMAKE_C_COMPILER=icc -DCMAKE_CXX_COMPILER=icpc -DCMAKE_Fortran_COMPILER=ifort
+         cmake -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ \
+               -DCMAKE_Fortran_COMPILER=gfortran ../cmake
+         # Building with Intel Classic Compilers:
+         cmake -DCMAKE_C_COMPILER=icc -DCMAKE_CXX_COMPILER=icpc \
+               -DCMAKE_Fortran_COMPILER=ifort ../cmake
          # Building with Intel oneAPI Compilers:
-         cmake ../cmake -DCMAKE_C_COMPILER=icx -DCMAKE_CXX_COMPILER=icpx -DCMAKE_Fortran_COMPILER=ifx
+         cmake -DCMAKE_C_COMPILER=icx -DCMAKE_CXX_COMPILER=icpx \
+               -DCMAKE_Fortran_COMPILER=ifx ../cmake
          # Building with LLVM/Clang Compilers:
-         cmake ../cmake -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_Fortran_COMPILER=flang
+         cmake -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ \
+               -DCMAKE_Fortran_COMPILER=flang ../cmake
          # Building with PGI/Nvidia Compilers:
-         cmake ../cmake -DCMAKE_C_COMPILER=pgcc -DCMAKE_CXX_COMPILER=pgc++ -DCMAKE_Fortran_COMPILER=pgfortran
+         cmake -DCMAKE_C_COMPILER=pgcc -DCMAKE_CXX_COMPILER=pgc++ \
+               -DCMAKE_Fortran_COMPILER=pgfortran ../cmake
+         # Building with the NVHPC Compilers:
+         cmake -DCMAKE_C_COMPILER=nvc -DCMAKE_CXX_COMPILER=nvc++ \
+               -DCMAKE_Fortran_COMPILER=nvfortran ../cmake
 
       For compiling with the Clang/LLVM compilers a CMake preset is
       provided that can be loaded with
-      `-C ../cmake/presets/clang.cmake`.  Similarly,
-      `-C ../cmake/presets/intel.cmake` should switch the compiler
-      toolchain to the legacy Intel compilers, `-C ../cmake/presets/oneapi.cmake`
+      ``-C ../cmake/presets/clang.cmake``.  Similarly,
+      ``-C ../cmake/presets/intel.cmake`` should switch the compiler
+      toolchain to the legacy Intel compilers, ``-C ../cmake/presets/oneapi.cmake``
       will switch to the LLVM based oneAPI Intel compilers,
-      and `-C ../cmake/presets/pgi.cmake`
-      will switch the compiler to the PGI compilers.
-
-      Furthermore, you can set ``CMAKE_TUNE_FLAGS`` to specifically add
-      compiler flags to tune for optimal performance on given hosts.
-      This variable is empty by default.
+      ``-C ../cmake/presets/pgi.cmake`` will switch the compiler to the PGI compilers,
+      and ``-C ../cmake/presets/nvhpc.cmake`` will switch to the NVHPC compilers.
 
       .. note::
 
          When the cmake command completes, it prints a summary to the
          screen which compilers it is using and what flags and settings
          will be used for the compilation.  Note that if the top-level
-         compiler is mpicxx, it is simply a wrapper on a real compiler.
+         compiler is ``mpicxx``, it is simply a wrapper on a real compiler.
          The underlying compiler info is what CMake will try to
          determine and report.  You should check to confirm you are
          using the compiler and optimization flags you want.
@@ -278,19 +286,19 @@ LAMMPS.
 
       .. code-block:: make
 
-         CC =            mpicxx
-         CCFLAGS =       -g -O3
-         LINK =          mpicxx
-         LINKFLAGS =     -g -O
+         CC =        mpicxx
+         CCFLAGS =   -g -O3
+         LINK =      mpicxx
+         LINKFLAGS = -g -O
 
       Serial build with GNU gcc (see ``src/MAKE/Makefile.serial``):
 
       .. code-block:: make
 
-         CC =            g++
-         CCFLAGS =       -g -O3
-         LINK =          g++
-         LINKFLAGS =     -g -O
+         CC =        g++
+         CCFLAGS =   -g -O3
+         LINK =      g++
+         LINKFLAGS = -g -O
 
       .. note::
 
@@ -312,15 +320,23 @@ LAMMPS.
          you would have to install a newer compiler that supports C++11;
          either as a binary package or through compiling from source.
 
-         If you build LAMMPS with any :doc:`Speed_packages` included,
-         there may be specific compiler or linker flags that are either
-         required or recommended to enable required features and to
-         achieve optimal performance.  You need to include these in the
-         CCFLAGS and LINKFLAGS settings above.  For details, see the
-         documentation for the individual packages listed on the
-         :doc:`Speed_packages` page.  Or examine these files in the
-         src/MAKE/OPTIONS directory.  They correspond to each of the 5
-         accelerator packages and their hardware variants:
+      While a C++11 compatible compiler is currently sufficient to compile
+      LAMMPS, a transition to require C++17 is in progress and planned to
+      be completed in Summer 2025. Currently, setting ``-DLAMMPS_CXX11``
+      in the ``LMP_INC =`` line in the machine makefile is required when
+      using a C++11 compatible compiler that does not support C++17.
+      Otherwise, to enable C++17 support (if not enabled by default) using
+      a compiler flag like ``-std=c++17`` in CCFLAGS may needed.
+
+      If you build LAMMPS with any :doc:`Speed_packages` included,
+      there may be specific compiler or linker flags that are either
+      required or recommended to enable required features and to
+      achieve optimal performance.  You need to include these in the
+      ``CCFLAGS`` and ``LINKFLAGS`` settings above.  For details, see the
+      documentation for the individual packages listed on the
+      :doc:`Speed_packages` page.  Or examine these files in the
+      ``src/MAKE/OPTIONS`` directory.  They correspond to each of the 5
+      accelerator packages and their hardware variants:
 
          .. code-block:: bash
 
@@ -388,7 +404,8 @@ running LAMMPS from Python via its library interface.
 
          make machine               # build LAMMPS executable lmp_machine
          make mode=static machine   # same as "make machine"
-         make mode=shared machine   # build LAMMPS shared lib liblammps_machine.so instead
+         make mode=shared machine   # build LAMMPS shared lib liblammps_machine.so
+                                    # instead
 
       The "static" build will generate a static library called
       ``liblammps_machine.a`` and an executable named ``lmp_machine``\ ,
@@ -450,7 +467,7 @@ installation.
 Including or removing debug support
 -----------------------------------
 
-By default the compilation settings will include the *-g* flag which
+By default the compilation settings will include the ``-g`` flag which
 instructs the compiler to include debug information (e.g. which line of
 source code a particular instruction correspond to).  This can be
 extremely useful in case LAMMPS crashes and can help to provide crucial
@@ -463,7 +480,7 @@ If this is a concern, you can change the compilation settings or remove
 the debug information from the LAMMPS executable:
 
 - **Traditional make**: edit your ``Makefile.<machine>`` to remove the
-  *-g* flag from the ``CCFLAGS`` and ``LINKFLAGS`` definitions
+  ``-g`` flag from the ``CCFLAGS`` and ``LINKFLAGS`` definitions
 - **CMake**: use ``-D CMAKE_BUILD_TYPE=Release`` or explicitly reset
   the applicable compiler flags (best done using the text mode or
   graphical user interface).
@@ -488,9 +505,12 @@ using CMake or Make.
 
       .. code-block:: bash
 
-         -D BUILD_TOOLS=value         # yes or no (default). Build binary2txt, chain.x, micelle2d.x, msi2lmp, phana, stl_bin2txt
-         -D BUILD_LAMMPS_SHELL=value  # yes or no (default). Build lammps-shell
-         -D BUILD_LAMMPS_GUI=value    # yes or no (default). Build lammps-gui
+         -D BUILD_TOOLS=value         # yes or no (default). Build binary2txt,
+                                      # chain.x, micelle2d.x, msi2lmp, phana,
+                                      # stl_bin2txt
+         -D BUILD_LAMMPS_GUI=value    # yes or no (default). Build LAMMPS-GUI
+         -D BUILD_WHAM=value          # yes (default). Download and build WHAM;
+                                      # only available for BUILD_LAMMPS_GUI=yes
 
       The generated binaries will also become part of the LAMMPS installation
       (see below).
@@ -505,8 +525,9 @@ using CMake or Make.
          make chain            # build only chain tool
          make micelle2d        # build only micelle2d tool
 
-         cd lammps/tools/lammps-shell
-         make                  # build LAMMPS shell
+      .. note::
+
+         Building the LAMMPS-GUI *requires* building LAMMPS with CMake.
 
 ----------
 

doc/src/Build_cmake.rst

@@ -8,7 +8,7 @@ packages.  Links to those pages on the :doc:`Build overview <Build>`
 page.
 
 The following text assumes some familiarity with CMake and focuses on
-using the command line tool ``cmake`` and what settings are supported
+using the command-line tool ``cmake`` and what settings are supported
 for building LAMMPS.  A more detailed tutorial on how to use CMake
 itself, the text mode or graphical user interface, to change the
 generated output files for different build tools and development
@@ -16,7 +16,7 @@ environments is on a :doc:`separate page <Howto_cmake>`.
 
 .. note::
 
-   LAMMPS currently requires that CMake version 3.16 or later is available.
+   LAMMPS currently requires that CMake version 3.20 or later is available.
 
 .. warning::
 
@@ -32,29 +32,29 @@ environments is on a :doc:`separate page <Howto_cmake>`.
 Advantages of using CMake
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 
-CMake is an alternative to compiling LAMMPS in the traditional way
-through :doc:`(manually customized) makefiles <Build_make>`.  Using
-CMake has multiple advantages that are specifically helpful for
-people with limited experience in compiling software or for people
-that want to modify or extend LAMMPS.
+CMake is the preferred way of compiling LAMMPS in contrast to the legacy
+build system based on GNU make and through :doc:`(manually customized)
+makefiles <Build_make>`.  Using CMake has multiple advantages that are
+specifically helpful for people with limited experience in compiling
+software or for people that want to modify or extend LAMMPS.
 
 - CMake can detect available hardware, tools, features, and libraries
   and adapt the LAMMPS default build configuration accordingly.
 - CMake can generate files for different build tools and integrated
   development environments (IDE).
-- CMake supports customization of settings with a command line, text
+- CMake supports customization of settings with a command-line, text
   mode, or graphical user interface.  No manual editing of files,
-  knowledge of file formats or complex command line syntax is required.
+  knowledge of file formats or complex command-line syntax is required.
 - All enabled components are compiled in a single build operation.
 - Automated dependency tracking for all files and configuration options.
-- Support for true out-of-source compilation. Multiple configurations
+- Support for true out-of-source compilation.  Multiple configurations
   and settings with different choices of LAMMPS packages, settings, or
   compilers can be configured and built concurrently from the same
   source tree.
 - Simplified packaging of LAMMPS for Linux distributions, environment
-  modules, or automated build tools like `Homebrew <https://brew.sh/>`_.
-- Integration of automated unit and regression testing (the LAMMPS side
-  of this is still under active development).
+  modules, or automated build tools like `Spack <https://spack.io>`_
+  or `Homebrew <https://brew.sh/>`_.
+- Integration of automated unit and regression testing.
 
 .. _cmake_build:
 
@@ -68,7 +68,7 @@ that purpose you can use either the command-line utility ``cmake`` (or
 graphical utility ``cmake-gui``, or use them interchangeably.  The
 second step is then the compilation and linking of all objects,
 libraries, and executables using the selected build tool.  Here is a
-minimal example using the command line version of CMake to build LAMMPS
+minimal example using the command-line version of CMake to build LAMMPS
 with no add-on packages enabled and no customization:
 
 .. code-block:: bash
@@ -119,6 +119,13 @@ configured) and additional files like LAMMPS API headers, manpages,
 potential and force field files.  The location of the installation tree
 defaults to ``${HOME}/.local``.
 
+.. note::
+
+   If you have set `-D CMAKE_INSTALL_PREFIX` to install LAMMPS into a
+   system location on a Linux machine , you may also have to run (as
+   root) the `ldconfig` program to update the cache file for fast lookup
+   of system shared libraries.
+
 .. _cmake_options:
 
 Configuration and build options
@@ -131,21 +138,21 @@ file called ``CMakeLists.txt`` (for LAMMPS it is located in the
 configuration step.  The cache file contains all current CMake settings.
 
 To modify settings, enable or disable features, you need to set
-*variables* with either the *-D* command line flag (``-D
+*variables* with either the ``-D`` command-line flag (``-D
 VARIABLE1_NAME=value``) or change them in the text mode of the graphical
-user interface.  The *-D* flag can be used several times in one command.
+user interface.  The ``-D`` flag can be used several times in one command.
 
 For your convenience, we provide :ref:`CMake presets <cmake_presets>`
 that combine multiple settings to enable optional LAMMPS packages or use
-a different compiler tool chain.  Those are loaded with the *-C* flag
+a different compiler tool chain.  Those are loaded with the ``-C`` flag
 (``-C ../cmake/presets/basic.cmake``).  This step would only be needed
 once, as the settings from the preset files are stored in the
 ``CMakeCache.txt`` file. It is also possible to customize the build
-by adding one or more *-D* flags to the CMake command line.
+by adding one or more ``-D`` flags to the CMake command.
 
 Generating files for alternate build tools (e.g. Ninja) and project files
-for IDEs like Eclipse, CodeBlocks, or Kate can be selected using the *-G*
-command line flag.  A list of available generator settings for your
+for IDEs like Eclipse, CodeBlocks, or Kate can be selected using the ``-G``
+command-line flag.  A list of available generator settings for your
 specific CMake version is given when running ``cmake --help``.
 
 .. _cmake_multiconfig:
@@ -171,7 +178,7 @@ files. E.g.  with:
 In that case the resulting binaries are not in the build folder directly
 but in subdirectories corresponding to the build type (i.e. Release in
 the example from above).  Similarly, for running unit tests the
-configuration is selected with the *-C* flag:
+configuration is selected with the ``-C`` flag:
 
 .. code-block:: bash
 

doc/src/Build_development.rst

@@ -28,28 +28,6 @@ variable VERBOSE set to 1:
 
 ----------
 
-.. _clang-tidy:
-
-Enable static code analysis with clang-tidy (CMake only)
---------------------------------------------------------
-
-The `clang-tidy tool <https://clang.llvm.org/extra/clang-tidy/>`_ is a
-static code analysis tool to diagnose (and potentially fix) typical
-programming errors or coding style violations.  It has a modular framework
-of tests that can be adjusted to help identifying problems before they
-become bugs and also assist in modernizing large code bases (like LAMMPS).
-It can be enabled for all C++ code with the following CMake flag
-
-.. code-block:: bash
-
-   -D ENABLE_CLANG_TIDY=value    # value = no (default) or yes
-
-With this flag enabled all source files will be processed twice, first to
-be compiled and then to be analyzed. Please note that the analysis can be
-significantly more time-consuming than the compilation itself.
-
-----------
-
 .. _iwyu_processing:
 
 Report missing and unneeded '#include' statements (CMake only)
@@ -88,8 +66,8 @@ on recording all commands required to do the compilation.
 
 .. _sanitizer:
 
-Address, Undefined Behavior, and Thread Sanitizer Support (CMake only)
-----------------------------------------------------------------------
+Address, Leak, Undefined Behavior, and Thread Sanitizer Support (CMake only)
+----------------------------------------------------------------------------
 
 Compilers such as GCC and Clang support generating instrumented binaries
 which use different sanitizer libraries to detect problems in the code
@@ -110,6 +88,7 @@ compilation and linking stages.  This is done through setting the
 
    -D ENABLE_SANITIZER=none       # no sanitizer active (default)
    -D ENABLE_SANITIZER=address    # enable address sanitizer / memory leak checker
+   -D ENABLE_SANITIZER=hwaddress  # enable hardware assisted address sanitizer / memory leak checker
    -D ENABLE_SANITIZER=leak       # enable memory leak checker (only)
    -D ENABLE_SANITIZER=undefined  # enable undefined behavior sanitizer
    -D ENABLE_SANITIZER=thread     # enable thread sanitizer
@@ -137,12 +116,27 @@ during development:
 The status of this automated testing can be viewed on `https://ci.lammps.org
 <https://ci.lammps.org>`_.
 
-The scripts and inputs for integration, run, and regression testing
-are maintained in a
-`separate repository <https://github.com/lammps/lammps-testing>`_
-of the LAMMPS project on GitHub.  A few tests are also run as GitHub
-Actions and their configuration files are in the ``.github/workflows/``
-folder of the LAMMPS git tree.
+The scripts and inputs for integration, run, and legacy regression
+testing are maintained in a `separate repository
+<https://github.com/lammps/lammps-testing>`_ of the LAMMPS project on
+GitHub.  A few tests are also run as GitHub Actions and their
+configuration files are in the ``.github/workflows/`` folder of the
+LAMMPS git tree.
+
+Regression tests can also be performed locally with the :ref:`regression
+tester tool <regression>`.  The tool checks if a given LAMMPS binary run
+with selected input examples produces thermo output that is consistent
+with the provided log files.  The script can be run in one pass over all
+available input files, but it can also first create multiple lists of
+inputs or folders that can then be run with multiple workers
+concurrently to speed things up.  Another mode allows to do a quick
+check of inputs that contain commands that have changes in the current
+checkout branch relative to a git branch.  This works similar to the two
+pass mode, but will select only shorter runs and no more than 100 inputs
+that are chosen randomly.  This ensures that this test runs
+significantly faster compared to the full test run.  These test runs can
+also be performed with instrumented LAMMPS binaries (see previous
+section).
 
 The unit testing facility is integrated into the CMake build process of
 the LAMMPS source code distribution itself.  It can be enabled by
@@ -152,7 +146,12 @@ development headers to compile (if those are not found locally a recent
 version of that library will be downloaded and compiled along with
 LAMMPS and the test programs) and will download and compile a specific
 version of the `GoogleTest <https://github.com/google/googletest/>`_ C++
-test framework that is used to implement the tests.
+test framework that is used to implement the tests.  Those unit tests
+may be combined with memory access and leak checking with valgrind
+(see below for how to enable it).  In that case, running so-called
+death tests will create a lot of false positives and thus they can be
+disabled by configuring compilation with the additional setting
+``-D SKIP_DEATH_TESTS=on``.
 
 .. admonition:: Software version and LAMMPS configuration requirements
    :class: note
@@ -175,24 +174,24 @@ The output of this command will be looking something like this:
     $ ctest
     Test project /home/akohlmey/compile/lammps/build-testing
          Start   1: RunLammps
-   1/563 Test   #1: RunLammps ..........................................   Passed    0.28 sec
+   1/563 Test   #1: RunLammps ..................................   Passed    0.28 sec
          Start   2: HelpMessage
-   2/563 Test   #2: HelpMessage ........................................   Passed    0.06 sec
+   2/563 Test   #2: HelpMessage ................................   Passed    0.06 sec
          Start   3: InvalidFlag
-   3/563 Test   #3: InvalidFlag ........................................   Passed    0.06 sec
+   3/563 Test   #3: InvalidFlag ................................   Passed    0.06 sec
          Start   4: Tokenizer
-   4/563 Test   #4: Tokenizer ..........................................   Passed    0.05 sec
+   4/563 Test   #4: Tokenizer ..................................   Passed    0.05 sec
          Start   5: MemPool
-   5/563 Test   #5: MemPool ............................................   Passed    0.05 sec
+   5/563 Test   #5: MemPool ....................................   Passed    0.05 sec
          Start   6: ArgUtils
-   6/563 Test   #6: ArgUtils ...........................................   Passed    0.05 sec
+   6/563 Test   #6: ArgUtils ...................................   Passed    0.05 sec
        [...]
          Start 561: ImproperStyle:zero
- 561/563 Test #561: ImproperStyle:zero .................................   Passed    0.07 sec
+ 561/563 Test #561: ImproperStyle:zero .........................   Passed    0.07 sec
          Start 562: TestMliapPyUnified
- 562/563 Test #562: TestMliapPyUnified .................................   Passed    0.16 sec
+ 562/563 Test #562: TestMliapPyUnified .........................   Passed    0.16 sec
          Start 563: TestPairList
- 563/563 Test #563: TestPairList .......................................   Passed    0.06 sec
+ 563/563 Test #563: TestPairList ...............................   Passed    0.06 sec
 
  100% tests passed, 0 tests failed out of 563
 
@@ -207,24 +206,25 @@ The output of this command will be looking something like this:
 The ``ctest`` command has many options, the most important ones are:
 
 .. list-table::
+   :widths: 20 80
 
    * - Option
      - Function
-   * - -V
+   * - ``-V``
      - verbose output: display output of individual test runs
-   * - -j <num>
+   * - ``-j <num>``
      - parallel run: run <num> tests in parallel
-   * - -R <regex>
+   * - ``-R <regex>``
      - run subset of tests matching the regular expression <regex>
-   * - -E <regex>
+   * - ``-E <regex>``
      - exclude subset of tests matching the regular expression <regex>
-   * - -L <regex>
+   * - ``-L <regex>``
      - run subset of tests with a label matching the regular expression <regex>
-   * - -LE <regex>
+   * - ``-LE <regex>``
      - exclude subset of tests with a label matching the regular expression <regex>
-   * - -N
+   * - ``-N``
      - dry-run: display list of tests without running them
-   * - -T memcheck
+   * - ``-T memcheck``
      - run tests with valgrind memory checker (if available)
 
 In its full implementation, the unit test framework will consist of multiple
@@ -241,9 +241,9 @@ will be skipped if prerequisite features are not available in LAMMPS.
    time.  Preference is given to parts of the code base that are easy to
    test or commonly used.
 
-Tests as shown by the ``ctest`` program are command lines defined in the
+Tests as shown by the ``ctest`` program are commands defined in the
 ``CMakeLists.txt`` files in the ``unittest`` directory tree.  A few
-tests simply execute LAMMPS with specific command line flags and check
+tests simply execute LAMMPS with specific command-line flags and check
 the output to the screen for expected content.  A large number of unit
 tests are special tests programs using the `GoogleTest framework
 <https://github.com/google/googletest/>`_ and linked to the LAMMPS
@@ -330,16 +330,17 @@ paths in the individual source files.
 The force style test programs have a common set of options:
 
 .. list-table::
+   :widths: 25 75
 
    * - Option
      - Function
-   * - -g <newfile>
+   * - ``-g <newfile>``
      - regenerate reference data in new YAML file
-   * - -u
+   * - ``-u``
      - update reference data in the original YAML file
-   * - -s
+   * - ``-s``
      - print error statistics for each group of comparisons
-   * - -v
+   * - ``-v``
      - verbose output: also print the executed LAMMPS commands
 
 The ``ctest`` tool has no mechanism to directly pass flags to the individual
@@ -353,10 +354,10 @@ set in an environment variable ``TEST_ARGS``. Example:
 To add a test for a style that is not yet covered, it is usually best
 to copy a YAML file for a similar style to a new file, edit the details
 of the style (how to call it, how to set its coefficients) and then
-run test command with either the *-g* and the replace the initial
-test file with the regenerated one or the *-u* option.  The *-u* option
+run test command with either the ``-g`` and the replace the initial
+test file with the regenerated one or the ``-u`` option.  The ``-u`` option
 will destroy the original file, if the generation run does not complete,
-so using *-g* is recommended unless the YAML file is fully tested
+so using ``-g`` is recommended unless the YAML file is fully tested
 and working.
 
 Some of the force style tests are rather slow to run and some are very
@@ -397,7 +398,7 @@ during MD timestepping and manipulate per-atom properties like
 positions, velocities, and forces.  For those fix styles, testing can be
 done in a very similar fashion as for force fields and thus there is a
 test program `test_fix_timestep` that shares a lot of code, properties,
-and command line flags with the force field style testers described in
+and command-line flags with the force field style testers described in
 the previous section.
 
 This tester will set up a small molecular system run with verlet run
@@ -500,33 +501,57 @@ to do this to install it via pip:
 
 .. code-block:: bash
 
-   pip install git+https://github.com/gcovr/gcovr.git
+   python3 -m pip install gcovr
 
 After post-processing with ``gen_coverage_html`` the results are in
 a folder ``coverage_html`` and can be viewed with a web browser.
 The images below illustrate how the data is presented.
 
-.. list-table::
+.. only:: not latex
 
-      * - .. figure:: JPG/coverage-overview-top.png
-             :scale: 25%
+   .. list-table::
 
-          Top of the overview page
+         * - .. figure:: JPG/coverage-overview-top.png
+                :scale: 25%
 
-        - .. figure:: JPG/coverage-overview-manybody.png
-             :scale: 25%
+             Top of the overview page
 
-          Styles with good coverage
+           - .. figure:: JPG/coverage-overview-manybody.png
+                :scale: 25%
 
-        - .. figure:: JPG/coverage-file-top.png
-             :scale: 25%
+             Styles with good coverage
 
-          Top of individual source page
+           - .. figure:: JPG/coverage-file-top.png
+                :scale: 25%
 
-        - .. figure:: JPG/coverage-file-branches.png
-             :scale: 25%
+             Top of individual source page
 
-          Source page with branches
+           - .. figure:: JPG/coverage-file-branches.png
+                :scale: 25%
+
+             Source page with branches
+
+.. only:: latex
+
+   .. figure:: JPG/coverage-overview-top.png
+      :width: 60%
+
+      Top of the overview page
+
+   .. figure:: JPG/coverage-overview-manybody.png
+      :width: 60%
+
+      Styles with good coverage
+
+   .. figure:: JPG/coverage-file-top.png
+      :width: 60%
+
+      Top of individual source page
+
+   .. figure:: JPG/coverage-file-branches.png
+      :width: 60%
+
+      Source page with branches
 
 Coding style utilities
 ----------------------
@@ -595,14 +620,38 @@ The following target are available for both, GNU make and CMake:
 
 .. _gh-cli:
 
-GitHub command line interface
+GitHub command-line interface
 -----------------------------
 
-GitHub is developing a `tool for the command line
-<https://cli.github.com>`_ that interacts with the GitHub website via a
-command called ``gh``.  This can be extremely convenient when working
-with a Git repository hosted on GitHub (like LAMMPS).  It is thus highly
-recommended to install it when doing LAMMPS development.
+GitHub has developed a `command-line tool <https://cli.github.com>`_
+to interact with the GitHub website via a command called ``gh``.
+This is extremely convenient when working with a Git repository hosted
+on GitHub (like LAMMPS).  It is thus highly recommended to install it
+when doing LAMMPS development.  To use ``gh`` you must be within a git
+checkout of a repository and you must obtain an authentication token
+to connect your checkout with a GitHub user.  This is done with the
+command: ``gh auth login`` where you then have to follow the prompts.
+Here are some examples:
 
-The capabilities of the ``gh`` command is continually expanding, so
-please see the documentation at https://cli.github.com/manual/
+.. list-table::
+   :header-rows: 1
+   :widths: 34 66
+
+   * - Command
+     - Description
+   * - ``gh pr list``
+     - List currently open pull requests
+   * - ``gh pr checks 404``
+     - Shows the status of all checks for pull request #404
+   * - ``gh pr view 404``
+     - Shows the description and recent comments for pull request #404
+   * - ``gh co 404``
+     - Check out the branch from pull request #404; set up for pushing changes
+   * - ``gh issue list``
+     - List currently open issues
+   * - ``gh issue view 430 --comments``
+     - Shows the description and all comments for issue #430
+
+The capabilities of the ``gh`` command are continually expanding, so
+for more details please see the documentation at https://cli.github.com/manual/
+or use ``gh --help`` or ``gh <command> --help`` for embedded help.

doc/src/Build_link.rst

@@ -37,7 +37,7 @@ executable code from the library is copied into the calling executable.
    .. tab:: CMake build
 
       This assumes that LAMMPS has been configured without setting a
-      ``LAMMPS_MACHINE`` name, installed with "make install", and the
+      ``LAMMPS_MACHINE`` name, installed with ``make install``, and the
       ``PKG_CONFIG_PATH`` environment variable has been updated to
       include the ``liblammps.pc`` file installed into the configured
       destination folder.  The commands to compile and link a coupled
@@ -45,8 +45,8 @@ executable code from the library is copied into the calling executable.
 
       .. code-block:: bash
 
-         mpicc -c -O $(pkgconf liblammps --cflags) caller.c
-         mpicxx -o caller caller.o -$(pkgconf liblammps --libs)
+         mpicc -c -O $(pkg-config --cflags liblammps) caller.c
+         mpicxx -o caller caller.o -$(pkg-config --libs liblammps)
 
    .. tab:: Traditional make
 
@@ -59,10 +59,10 @@ executable code from the library is copied into the calling executable.
          mpicc -c -O -I${HOME}/lammps/src caller.c
          mpicxx -o caller caller.o -L${HOME}/lammps/src -llammps_mpi
 
-      The *-I* argument is the path to the location of the ``library.h``
+      The ``-I`` argument is the path to the location of the ``library.h``
       header file containing the interface to the LAMMPS C-style library
-      interface.  The *-L* argument is the path to where the
-      ``liblammps_mpi.a`` file is located.  The *-llammps_mpi* argument
+      interface.  The ``-L`` argument is the path to where the
+      ``liblammps_mpi.a`` file is located.  The ``-llammps_mpi`` argument
       is shorthand for telling the compiler to link the file
       ``liblammps_mpi.a``.  If LAMMPS has been built as a shared
       library, then the linker will use ``liblammps_mpi.so`` instead.
@@ -142,7 +142,7 @@ When linking to LAMMPS built as a shared library, the situation becomes
 much simpler, as all dependent libraries and objects are either included
 in the shared library or registered as a dependent library in the shared
 library file.  Thus, those libraries need not be specified when linking
-the calling executable.  Only the *-I* flags are needed.  So the example
+the calling executable.  Only the ``-I`` flags are needed.  So the example
 case from above of the serial version static LAMMPS library with the
 POEMS package installed becomes:
 
@@ -155,8 +155,8 @@ POEMS package installed becomes:
 
       .. code-block:: bash
 
-         mpicc -c -O $(pkgconf liblammps --cflags) caller.c
-         mpicxx -o caller caller.o -$(pkgconf --libs)
+         mpicc -c -O $(pkg-config --cflags liblammps) caller.c
+         mpicxx -o caller caller.o -$(pkg-config --libs liblammps)
 
    .. tab:: Traditional make
 

doc/src/Build_make.rst

@@ -8,6 +8,10 @@ Building LAMMPS with traditional makefiles requires that you have a
 for customizing your LAMMPS build with a number of global compilation
 options and features.
 
+This build system is slowly being phased out and may not support all
+optional features and packages in LAMMPS.  It is recommended to switch
+to the :doc:`CMake based build system <Build_cmake>`.
+
 Requirements
 ^^^^^^^^^^^^
 
@@ -25,10 +29,10 @@ additional tools to be available and functioning.
     require adding flags like ``-std=c++11`` to enable the C++11 mode.
   * A Bourne shell compatible "Unix" shell program (frequently this is ``bash``)
   * A few shell utilities: ``ls``, ``mv``, ``ln``, ``rm``, ``grep``, ``sed``, ``tr``, ``cat``, ``touch``, ``diff``, ``dirname``
-  * Python (optional, required for ``make lib-<pkg>`` in the src
-    folder).  Python scripts are currently tested with python 2.7 and
-    3.6 to 3.11. The procedure for :doc:`building the documentation
-    <Build_manual>` *requires* Python 3.5 or later.
+  * Python (optional, required for ``make lib-<pkg>`` in the ``src``
+    folder).  Python scripts are currently tested with 3.6 to 3.11.
+    The procedure for :doc:`building the documentation <Build_manual>`
+    *requires* Python 3.8 or later.
 
 Getting started
 ^^^^^^^^^^^^^^^

doc/src/Build_manual.rst

@@ -57,6 +57,8 @@ Python interpreter version 3.8 or later, the ``doxygen`` tools and
 internet access to download additional files and tools are required.
 This download is usually only required once or after the documentation
 folder is returned to a pristine state with ``make clean-all``.
+You can also upgrade those packages to their latest available versions
+with ``make upgrade``.
 
 For the documentation build a python virtual environment is set up in
 the folder ``doc/docenv`` and various python packages are installed into
@@ -78,11 +80,11 @@ folder.  The following ``make`` commands are available:
    make epub          # generate LAMMPS.epub in ePUB format using Sphinx
    make mobi          # generate LAMMPS.mobi in MOBI format using ebook-convert
 
-   make fasthtml      # generate approximate HTML in fasthtml dir using Sphinx
-                      # some Sphinx extensions do not work correctly with this
+   make fasthtml      # generate approximate HTML in fasthtml dir using pandoc
 
    make clean         # remove intermediate RST files created by HTML build
    make clean-all     # remove entire build folder and any cached data
+   make upgrade       # upgrade the python packages in the virtual environment
 
    make anchor_check  # check for duplicate anchor labels
    make style_check   # check for complete and consistent style lists
@@ -116,9 +118,9 @@ environment variable.
 Prerequisites for HTML
 ----------------------
 
-To run the HTML documentation build toolchain, python 3, git, doxygen,
-and virtualenv have to be installed locally.  Here are instructions for
-common setups:
+To run the HTML documentation build toolchain, Python 3.8 or later, git,
+doxygen, and virtualenv have to be installed locally.  Here are
+instructions for common setups:
 
 .. tabs::
 
@@ -128,13 +130,7 @@ common setups:
 
          sudo apt-get install git doxygen
 
-   .. tab:: RHEL or CentOS (Version 7.x)
-
-      .. code-block:: bash
-
-         sudo yum install git doxygen
-
-   .. tab:: Fedora or RHEL/CentOS (8.x or later)
+   .. tab:: Fedora or RHEL/AlmaLinux/RockyLinux (8.x or later)
 
       .. code-block:: bash
 
@@ -154,7 +150,36 @@ Prerequisites for PDF
 
 In addition to the tools needed for building the HTML format manual,
 a working LaTeX installation with support for PDFLaTeX and a selection
-of LaTeX styles/packages are required.  To run the PDFLaTeX translation
+of LaTeX styles/packages are required.  Apart from LaTeX packages that
+are usually installed by default, the following packages are required:
+
+.. table_from_list::
+   :columns: 11
+
+   - amsmath
+   - anysize
+   - babel
+   - capt-of
+   - cmap
+   - dvipng
+   - ellipse
+   - fncychap
+   - fontawesome
+   - framed
+   - geometry
+   - gyre
+   - hyperref
+   - hypcap
+   - needspace
+   - pict2e
+   - times
+   - tabulary
+   - titlesec
+   - upquote
+   - wrapfig
+   - xindy
+
+To run the PDFLaTeX translation
 the ``latexmk`` script needs to be installed as well.
 
 Prerequisites for ePUB and MOBI
@@ -182,12 +207,42 @@ documentation is required and either existing files in the ``src``
 folder need to be updated or new files added. These files are written in
 `reStructuredText <rst_>`_ markup for translation with the Sphinx tool.
 
+Testing your contribution
+^^^^^^^^^^^^^^^^^^^^^^^^^
+
 Before contributing any documentation, please check that both the HTML
-and the PDF format documentation can translate without errors.  During
-testing the html translation, you may use the ``make fasthtml`` command
-which does an approximate translation (i.e. not all Sphinx features and
-extensions will work), but runs very fast because it will only translate
-files that have been changed since the last ``make fasthtml`` command.
+and the PDF format documentation can translate without errors and that
+there are no spelling issues.  This is done with ``make html``, ``make pdf``,
+and ``make spelling``, respectively.
+
+Fast and approximate translation to HTML
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Translating the full manual to HTML or PDF can take a long time.  Thus
+there is a fast and approximate way to translate the reStructuredText to
+HTML as a quick-n-dirty way of checking your manual page.
+
+This translation uses `Pandoc <https://pandoc.org>`_ instead of Sphinx
+and thus all special Sphinx features (cross-references, advanced tables,
+embedding of Python docstrings or doxygen documentation, and so on) will
+not render correctly.  Most embedded math should render correctly.  This
+is a **very fast** way to check the syntax and layout of a documentation
+file translated to HTML while writing or updating it.
+
+To translate **all** manual pages, you can type ``make fasthtml`` at the
+command line.  The translated HTML files are then in the ``fasthtml``
+folder. All subsequent ``make fasthtml`` commands will only translate
+``.rst`` files that have been changed.  The ``make fasthtml`` command
+can be parallelized with make using the `-j` flag.  You can also
+directly translate only individual pages: e.g. to translate only the
+``doc/src/pair_lj.rst`` page type ``make fasthtml/pair_lj.html``
+
+After writing the documentation is completed, you will still need
+to verify with ``make html`` and ``make pdf`` that it translates
+correctly in both formats.
+
+Tests for consistency, completeness, and other known issues
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 Please also check the output to the console for any warnings or problems.  There will
 be multiple tests run automatically:

doc/src/Build_package.rst

@@ -49,6 +49,7 @@ packages:
    * :ref:`LEPTON <lepton>`
    * :ref:`MACHDYN <machdyn>`
    * :ref:`MDI <mdi>`
+   * :ref:`MISC <misc>`
    * :ref:`ML-HDNNP <ml-hdnnp>`
    * :ref:`ML-IAP <mliap>`
    * :ref:`ML-PACE <ml-pace>`
@@ -62,6 +63,7 @@ packages:
    * :ref:`POEMS <poems>`
    * :ref:`PYTHON <python>`
    * :ref:`QMMM <qmmm>`
+   * :ref:`RHEO <rheo>`
    * :ref:`SCAFACOS <scafacos>`
    * :ref:`VORONOI <voronoi>`
    * :ref:`VTK <vtk>`
@@ -99,10 +101,10 @@ versus make.
       .. code-block:: bash
 
          cd lammps/src
-         make ps                    # check which packages are currently installed
-         make yes-name              # install a package with name
-         make no-name               # uninstall a package with name
-         make mpi                   # build LAMMPS with whatever packages are now installed
+         make ps        # check which packages are currently installed
+         make yes-name  # install a package with name
+         make no-name   # uninstall a package with name
+         make mpi       # build LAMMPS with whatever packages are now installed
 
       Examples:
 
@@ -171,18 +173,41 @@ make a copy of one of them and modify it to suit your needs.
 
 .. code-block:: bash
 
-    cmake -C ../cmake/presets/basic.cmake    [OPTIONS] ../cmake  # enable just a few core packages
-    cmake -C ../cmake/presets/most.cmake     [OPTIONS] ../cmake  # enable most packages
-    cmake -C ../cmake/presets/download.cmake [OPTIONS] ../cmake  # enable packages which download sources or potential files
-    cmake -C ../cmake/presets/nolib.cmake    [OPTIONS] ../cmake  # disable packages that do require extra libraries or tools
-    cmake -C ../cmake/presets/clang.cmake    [OPTIONS] ../cmake  # change settings to use the Clang compilers by default
-    cmake -C ../cmake/presets/gcc.cmake      [OPTIONS] ../cmake  # change settings to use the GNU compilers by default
-    cmake -C ../cmake/presets/intel.cmake    [OPTIONS] ../cmake  # change settings to use the Intel compilers by default
-    cmake -C ../cmake/presets/pgi.cmake      [OPTIONS] ../cmake  # change settings to use the PGI compilers by default
-    cmake -C ../cmake/presets/all_on.cmake   [OPTIONS] ../cmake  # enable all packages
-    cmake -C ../cmake/presets/all_off.cmake  [OPTIONS] ../cmake  # disable all packages
-    mingw64-cmake -C ../cmake/presets/mingw-cross.cmake [OPTIONS] ../cmake  #  compile with MinGW cross-compilers
-    cmake -C ../cmake/presets/macos-multiarch.cmake [OPTIONS] ../cmake # compile serial multi-arch binaries on macOS
+    # enable just a few core packages
+    cmake -C ../cmake/presets/basic.cmake    [OPTIONS] ../cmake
+
+    # enable most packages
+    cmake -C ../cmake/presets/most.cmake     [OPTIONS] ../cmake
+
+    # enable packages which download sources or potential files
+    cmake -C ../cmake/presets/download.cmake [OPTIONS] ../cmake
+
+    # disable packages that do require extra libraries or tools
+    cmake -C ../cmake/presets/nolib.cmake    [OPTIONS] ../cmake
+
+    # change settings to use the Clang compilers by default
+    cmake -C ../cmake/presets/clang.cmake    [OPTIONS] ../cmake
+
+    # change settings to use the GNU compilers by default
+    cmake -C ../cmake/presets/gcc.cmake      [OPTIONS] ../cmake
+
+    # change settings to use the Intel compilers by default
+    cmake -C ../cmake/presets/intel.cmake    [OPTIONS] ../cmake
+
+    # change settings to use the PGI compilers by default
+    cmake -C ../cmake/presets/pgi.cmake      [OPTIONS] ../cmake
+
+    # enable all packages
+    cmake -C ../cmake/presets/all_on.cmake   [OPTIONS] ../cmake
+
+    # disable all packages
+    cmake -C ../cmake/presets/all_off.cmake  [OPTIONS] ../cmake
+
+    #  compile with MinGW cross-compilers
+    mingw64-cmake -C ../cmake/presets/mingw-cross.cmake [OPTIONS] ../cmake
+
+    # compile serial multi-arch binaries on macOS
+    cmake -C ../cmake/presets/macos-multiarch.cmake [OPTIONS] ../cmake
 
 Presets that have names starting with "windows" are specifically for
 compiling LAMMPS :doc:`natively on Windows <Build_windows>` and
@@ -208,7 +233,8 @@ Example
    # GPU package and configure it for using CUDA. You can run.
    mkdir build
    cd build
-   cmake -C ../cmake/presets/most.cmake -C ../cmake/presets/nolib.cmake -D PKG_GPU=on -D GPU_API=cuda ../cmake
+   cmake -C ../cmake/presets/most.cmake -C ../cmake/presets/nolib.cmake \
+         -D PKG_GPU=on -D GPU_API=cuda ../cmake
 
    # to add another package, say BODY to the previous configuration you can run:
    cmake -D PKG_BODY=on .

doc/src/Build_prerequisites.rst

@@ -0,0 +1,22 @@
+Prerequisites
+-------------
+
+Which software you need to compile and use LAMMPS strongly depends on
+which :doc:`features and settings <Build_settings>` and which
+:doc:`optional packages <Packages_list>` you are trying to include.
+Common to all is that you need a C++ and C compiler, where the C++
+compiler has to support at least the C++11 standard (note that some
+compilers require command-line flag to activate C++11 support).
+Furthermore, if you are building with CMake, you need at least CMake
+version 3.20 and a compatible build tool (make or ninja-build); if you
+are building the the legacy GNU make based build system you need GNU
+make (other make variants are not going to work since the build system
+uses features unique to GNU make) and a Unix-like build environment with
+a Bourne shell, and shell tools like "sed", "grep", "touch", "test",
+"tr", "cp", "mv", "rm", "ln", "diff" and so on. Parts of LAMMPS
+interface with or use Python version 3.6 or later.
+
+The LAMMPS developers aim to keep LAMMPS very portable and usable -
+at least in parts - on most operating systems commonly used for
+running MD simulations.  Please see the :doc:`section on portablility
+<Intro_portability>` for more details.

doc/src/Build_settings.rst

@@ -1,42 +1,63 @@
+.. raw:: latex
+
+    \clearpage
+
 Optional build settings
 =======================
 
 LAMMPS can be built with several optional settings.  Each subsection
 explains how to do this for building both with CMake and make.
 
-* `C++11 standard compliance`_ when building all of LAMMPS
+* `C++11 and C++17 standard compliance`_ when building all of LAMMPS
 * `FFT library`_ for use with the :doc:`kspace_style pppm <kspace_style>` command
 * `Size of LAMMPS integer types and size limits`_
 * `Read or write compressed files`_
-* `Output of JPG, PNG, and move files` via the :doc:`dump image <dump_image>` or :doc:`dump movie <dump_image>` commands
+* `Output of JPEG, PNG, and movie files`_ via the :doc:`dump image <dump_image>` or :doc:`dump movie <dump_image>` commands
+* `Support for downloading files from the input`_
+* `Prevent download of large potential files`_
 * `Memory allocation alignment`_
 * `Workaround for long long integers`_
 * `Exception handling when using LAMMPS as a library`_ to capture errors
-* `Trigger selected floating-point exceptions`_
 
 ----------
 
 .. _cxx11:
 
-C++11 standard compliance
-------------------------------------------
+C++11 and C++17 standard compliance
+-----------------------------------
 
-A C++11 standard compatible compiler is a requirement for compiling LAMMPS.
-LAMMPS version 3 March 2020 is the last version compatible with the previous
-C++98 standard for the core code and most packages. Most currently used
-C++ compilers are compatible with C++11, but some older ones may need extra
-flags to enable C++11 compliance.  Example for GNU c++ 4.8.x:
+A C++11 standard compatible compiler is currently the minimum
+requirement for compiling LAMMPS.  LAMMPS version 3 March 2020 is the
+last version compatible with the previous C++98 standard for the core
+code and most packages. Most currently used C++ compilers are compatible
+with C++11, but some older ones may need extra flags to enable C++11
+compliance.  Example for GNU c++ 4.8.x:
 
 .. code-block:: make
 
    CCFLAGS = -g -O3 -std=c++11
 
+Individual packages may require compliance with a later C++ standard
+like C++14 or C++17.  These requirements will be documented with the
+:doc:`individual packages <Packages_details>`.
+
+.. versionchanged:: 4Feb2025
+
+Starting with LAMMPS version 4 February 2025 we are starting a
+transition to require the C++17 standard.  Most current compilers are
+compatible and if the C++17 standard is available by default, LAMMPS
+will enable C++17 and will compile normally.  If the chosen compiler is
+not compatible with C++17, but only supports C++11, then the define
+-DLAMMPS_CXX11 is required to fall back to compiling with a C++11
+compiler.  After the next stable release of LAMMPS in summer 2025, the
+LAMMPS development branch and future releases will require C++17.
+
 ----------
 
 .. _fft:
 
 FFT library
----------------------
+-----------
 
 When the KSPACE package is included in a LAMMPS build, the
 :doc:`kspace_style pppm <kspace_style>` command performs 3d FFTs which
@@ -58,8 +79,10 @@ libraries and better pipelining for packing and communication.
 
       .. code-block:: bash
 
-         -D FFT=value              # FFTW3 or MKL or KISS, default is FFTW3 if found, else KISS
-         -D FFT_KOKKOS=value       # FFTW3 or MKL or KISS or CUFFT or HIPFFT, default is KISS
+         -D FFT=value              # FFTW3 or MKL or NVPL or KISS,
+                                   # default is FFTW3 if found, else KISS
+         -D FFT_KOKKOS=value       # FFTW3 or MKL or NVPL or KISS or CUFFT
+                                   # or HIPFFT or MKL_GPU, default is KISS
          -D FFT_SINGLE=value       # yes or no (default), no = double precision
          -D FFT_PACK=value         # array (default) or pointer or memcpy
          -D FFT_USE_HEFFTE=value   # yes or no (default), yes links to heFFTe
@@ -67,11 +90,11 @@ libraries and better pipelining for packing and communication.
       .. note::
 
          When the Kokkos variant of a package is compiled and selected at run time,
-         the FFT library selected by the FFT_KOKKOS variable applies. Otherwise,
+         the FFT library selected by the ``FFT_KOKKOS`` variable applies. Otherwise,
          the FFT library selected by the FFT variable applies.
-         The same FFT settings apply to both. FFT_KOKKOS must be compatible with the
+         The same FFT settings apply to both. ``FFT_KOKKOS`` must be compatible with the
          Kokkos back end - for example, when using the CUDA back end of Kokkos,
-         you must use either CUFFT or KISS.
+         you must use either ``CUFFT`` or ``KISS``.
 
       Usually these settings are all that is needed.  If FFTW3 is
       selected, then CMake will try to detect, if threaded FFTW
@@ -89,8 +112,11 @@ libraries and better pipelining for packing and communication.
          -D MKL_INCLUDE_DIR=path     # ditto for Intel MKL library
          -D FFT_MKL_THREADS=on       # enable using threaded FFTs with MKL libraries
          -D MKL_LIBRARY=path         # path to MKL libraries
-         -D FFT_HEFFTE_BACKEND=value # FFTW or MKL or empty/undefined for the stock heFFTe back end
+         -D FFT_HEFFTE_BACKEND=value # FFTW or MKL or empty/undefined for the stock
+                                     # heFFTe back end
          -D Heffte_ROOT=path         # path to an existing heFFTe installation
+         -D nvpl_fft_INCLUDE_DIR=path # path to NVPL FFT include files
+         -D nvpl_fft_LIBRARY_DIR=path # path to NVPL FFT libraries
 
       .. note::
 
@@ -108,30 +134,58 @@ libraries and better pipelining for packing and communication.
 
       .. code-block:: make
 
-         FFT_INC = -DFFT_FFTW3         # -DFFT_FFTW3, -DFFT_FFTW (same as -DFFT_FFTW3), -DFFT_MKL, or -DFFT_KISS
-                                       # default is KISS if not specified
-         FFT_INC = -DFFT_KOKKOS_CUFFT  # -DFFT_KOKKOS_{FFTW,FFTW3,MKL,CUFFT,HIPFFT,KISS}
-                                       # default is KISS if not specified
-         FFT_INC = -DFFT_SINGLE        # do not specify for double precision
-         FFT_INC = -DFFT_FFTW_THREADS  # enable using threaded FFTW3 libraries
-         FFT_INC = -DFFT_MKL_THREADS   # enable using threaded FFTs with MKL libraries
-         FFT_INC = -DFFT_PACK_ARRAY    # or -DFFT_PACK_POINTER or -DFFT_PACK_MEMCPY
-                                       # default is FFT_PACK_ARRAY if not specified
+         FFT_INC = -DFFT_<NAME>        # where <NAME> is KISS (default), FFTW3,
+                                       # FFTW (same as FFTW3), NVPL, or MKL
+         FFT_INC = -DFFT_KOKKOS_<NAME> # where <NAME> is KISS (default), FFTW3,
+                                       # FFTW (same as FFTW3), NVPL, MKL, CUFFT,
+                                       # HIPFFT, or MKL_GPU
+         FFT_INC = -DFFT_SINGLE       # do not specify for double precision
+         FFT_INC = -DFFT_FFTW_THREADS # enable using threaded FFTW3 libraries
+         FFT_INC = -DFFT_MKL_THREADS  # enable using threaded FFTs with MKL libraries
+         FFT_INC = -DFFT_PACK_ARRAY   # or -DFFT_PACK_POINTER or -DFFT_PACK_MEMCPY
+                                      # default is FFT_PACK_ARRAY if not specified
 
       .. code-block:: make
 
-         FFT_INC =       -I/usr/local/include
-         FFT_PATH =      -L/usr/local/lib
-         FFT_LIB =       -lhipfft            # hipFFT either precision
-         FFT_LIB =       -lcufft             # cuFFT either precision
-         FFT_LIB =       -lfftw3             # FFTW3 double precision
-         FFT_LIB =       -lfftw3 -lfftw3_omp # FFTW3 double precision with threads (needs -DFFT_FFTW_THREADS)
-         FFT_LIB =       -lfftw3 -lfftw3f    # FFTW3 single precision
-         FFT_LIB =       -lmkl_intel_lp64 -lmkl_sequential -lmkl_core   # MKL with Intel compiler, serial interface
-         FFT_LIB =       -lmkl_gf_lp64 -lmkl_sequential -lmkl_core      # MKL with GNU compiler, serial interface
-         FFT_LIB =       -lmkl_intel_lp64 -lmkl_intel_thread -lmkl_core # MKL with Intel compiler, threaded interface
-         FFT_LIB =       -lmkl_gf_lp64 -lmkl_gnu_thread -lmkl_core      # MKL with GNU compiler, threaded interface
-         FFT_LIB =       -lmkl_rt            # MKL with automatic runtime selection of interface libs
+         FFT_INC =  -I/usr/local/include
+         FFT_PATH = -L/usr/local/lib
+
+         # hipFFT either precision
+         FFT_LIB =  -lhipfft
+
+         # cuFFT either precision
+         FFT_LIB =  -lcufft
+
+         # MKL_GPU either precision
+         FFT_LIB = -lmkl_sycl_dft -lmkl_intel_ilp64 -lmkl_tbb_thread -lmkl_core -ltbb
+
+         # FFTW3 double precision
+         FFT_LIB =  -lfftw3
+
+         # FFTW3 double precision with threads (needs -DFFT_FFTW_THREADS)
+         FFT_LIB =  -lfftw3 -lfftw3_omp
+
+         # FFTW3 single precision
+         FFT_LIB =  -lfftw3 -lfftw3f
+
+         # serial MKL with Intel compiler
+         FFT_LIB =  -lmkl_intel_lp64 -lmkl_sequential -lmkl_core
+
+         # serial MKL with GNU compiler
+         FFT_LIB =  -lmkl_gf_lp64 -lmkl_sequential -lmkl_core
+
+         # threaded MKL with Intel compiler
+         FFT_LIB =  -lmkl_intel_lp64 -lmkl_intel_thread -lmkl_core
+
+         # threaded MKL with GNU compiler
+         FFT_LIB =  -lmkl_gf_lp64 -lmkl_gnu_thread -lmkl_core
+
+         # MKL with automatic runtime selection of interface libs
+         FFT_LIB =  -lmkl_rt
+
+         # threaded NVPL FFT
+         FFT_LIB =  -lnvpl_fftw
+
 
       As with CMake, you do not need to set paths in ``FFT_INC`` or
       ``FFT_PATH``, if the compiler can find the FFT header and library
@@ -147,11 +201,11 @@ libraries and better pipelining for packing and communication.
          FFT_PATH =
          FFT_LIB = $(heffte_link) $(heffte_libs)
 
-      The heFFTe install path will contain `HeffteMakefile.in`.
-      which will define the `heffte_` include variables needed to link to heFFTe from
+      The heFFTe install path will contain ``HeffteMakefile.in``.
+      which will define the ``heffte_`` include variables needed to link to heFFTe from
       an external project using traditional make.
-      The `-DFFT_HEFFTE` is required to switch to using heFFTe, while the optional `-DFFT_HEFFTE_FFTW`
-      selects the desired heFFTe back end, e.g., `-DFFT_HEFFTE_FFTW` or `-DFFT_HEFFTE_MKL`,
+      The ``-DFFT_HEFFTE`` is required to switch to using heFFTe, while the optional ``-DFFT_HEFFTE_FFTW``
+      selects the desired heFFTe back end, e.g., ``-DFFT_HEFFTE_FFTW`` or ``-DFFT_HEFFTE_MKL``,
       omitting the variable will default to the `stock` back end.
       The heFFTe `stock` back end is intended to be used for testing and debugging,
       but is not performance optimized for large scale production runs.
@@ -179,17 +233,22 @@ it from `www.fftw.org <https://www.fftw.org>`_.  LAMMPS requires version
 Building FFTW for your box should be as simple as ``./configure; make;
 make install``.  The install command typically requires root privileges
 (e.g. invoke it via sudo), unless you specify a local directory with
-the "--prefix" option of configure.  Type ``./configure --help`` to see
+the ``--prefix`` option of configure.  Type ``./configure --help`` to see
 various options.
 
 The Intel MKL math library is part of the Intel compiler suite.  It
 can be used with the Intel or GNU compiler (see the ``FFT_LIB`` setting
 above).
 
+The NVIDIA Performance Libraries (NVPL) FFT library is optimized for NVIDIA
+Grace Armv9.0 architecture. You can download it from https://docs.nvidia.com/nvpl/
+
 The cuFFT and hipFFT FFT libraries are packaged with NVIDIA's CUDA and
 AMD's HIP installations, respectively. These FFT libraries require the
 Kokkos acceleration package to be enabled and the Kokkos back end to be
-GPU-resident (i.e., HIP or CUDA).
+GPU-resident (i.e., HIP or CUDA). Similarly, GPU offload of FFTs on
+Intel GPUs with oneMKL currently requires the Kokkos acceleration
+package to be enabled with the SYCL back end.
 
 Performing 3d FFTs in parallel can be time-consuming due to data access
 and required communication.  This cost can be reduced by performing
@@ -215,7 +274,7 @@ produce the additional libraries ``libfftw3f.a`` and/or ``libfftw3f.so``\ .
 
 Performing 3d FFTs requires communication to transpose the 3d FFT
 grid.  The data packing/unpacking for this can be done in one of 3
-modes (ARRAY, POINTER, MEMCPY) as set by the FFT_PACK syntax above.
+modes (ARRAY, POINTER, MEMCPY) as set by the ``FFT_PACK`` syntax above.
 Depending on the machine, the size of the FFT grid, the number of
 processors used, one option may be slightly faster.  The default is
 ARRAY mode.
@@ -232,6 +291,10 @@ and those variables will be passed into the heFFTe build.
 
 ----------
 
+.. raw:: latex
+
+    \clearpage
+
 .. _size:
 
 Size of LAMMPS integer types and size limits
@@ -252,7 +315,7 @@ large counters can become before "rolling over".  The default setting of
 
       .. code-block:: bash
 
-         -D LAMMPS_SIZES=value   # smallbig (default) or bigbig or smallsmall
+         -D LAMMPS_SIZES=value   # smallbig (default) or bigbig
 
       If the variable is not set explicitly, "smallbig" is used.
 
@@ -263,7 +326,7 @@ large counters can become before "rolling over".  The default setting of
 
       .. code-block:: make
 
-         LMP_INC = -DLAMMPS_SMALLBIG    # or -DLAMMPS_BIGBIG or -DLAMMPS_SMALLSMALL
+         LMP_INC = -DLAMMPS_SMALLBIG    # or -DLAMMPS_BIGBIG
 
       The default setting is ``-DLAMMPS_SMALLBIG`` if nothing is specified
 
@@ -272,34 +335,27 @@ LAMMPS system size restrictions
 
 .. list-table::
    :header-rows: 1
-   :widths: auto
+   :widths: 27 36 37
    :align: center
 
    * -
      - smallbig
      - bigbig
-     - smallsmall
    * - Total atom count
      - :math:`2^{63}` atoms (= :math:`9.223 \cdot 10^{18}`)
      - :math:`2^{63}` atoms (= :math:`9.223 \cdot 10^{18}`)
-     - :math:`2^{31}` atoms (= :math:`2.147 \cdot 10^9`)
    * - Total timesteps
      - :math:`2^{63}` steps (= :math:`9.223 \cdot 10^{18}`)
      - :math:`2^{63}` steps (= :math:`9.223 \cdot 10^{18}`)
-     - :math:`2^{31}` steps (= :math:`2.147 \cdot 10^9`)
    * - Atom ID values
      - :math:`1 \le i \le 2^{31} (= 2.147 \cdot 10^9)`
      - :math:`1 \le i \le 2^{63} (= 9.223 \cdot 10^{18})`
-     - :math:`1 \le i \le 2^{31} (= 2.147 \cdot 10^9)`
    * - Image flag values
      - :math:`-512 \le i \le 511`
      - :math:`- 1\,048\,576 \le i \le 1\,048\,575`
-     - :math:`-512 \le i \le 511`
 
 The "bigbig" setting increases the size of image flags and atom IDs over
-"smallbig" and the "smallsmall" setting is only needed if your machine
-does not support 64-bit integers or incurs performance penalties when
-using them.
+the default "smallbig" setting.
 
 These are limits for the core of the LAMMPS code, specific features or
 some styles may impose additional limits.  The :ref:`ATC
@@ -341,8 +397,8 @@ in whichever ``lib/gpu/Makefile`` is used must be the same as above.
 
 .. _graphics:
 
-Output of JPG, PNG, and movie files
---------------------------------------------------
+Output of JPEG, PNG, and movie files
+------------------------------------
 
 The :doc:`dump image <dump_image>` command has options to output JPEG or
 PNG image files.  Likewise, the :doc:`dump movie <dump_image>` command
@@ -355,12 +411,13 @@ requires the following settings:
 
       .. code-block:: bash
 
-         -D WITH_JPEG=value      # yes or no
-                                 # default = yes if CMake finds JPEG files, else no
-         -D WITH_PNG=value       # yes or no
-                                 # default = yes if CMake finds PNG and ZLIB files, else no
-         -D WITH_FFMPEG=value    # yes or no
-                                 # default = yes if CMake can find ffmpeg, else no
+         -D WITH_JPEG=value    # yes or no
+                               # default = yes if CMake finds JPEG development files, else no
+         -D WITH_PNG=value     # yes or no
+                               # default = yes if CMake finds PNG and ZLIB development files,
+                               # else no
+         -D WITH_FFMPEG=value  # yes or no
+                               # default = yes if CMake can find ffmpeg, else no
 
       Usually these settings are all that is needed.  If CMake cannot
       find the graphics header, library, executable files, you can set
@@ -382,8 +439,10 @@ requires the following settings:
 
          LMP_INC = -DLAMMPS_JPEG -DLAMMPS_PNG -DLAMMPS_FFMPEG  <other LMP_INC settings>
 
-         JPG_INC = -I/usr/local/include   # path to jpeglib.h, png.h, zlib.h header files if make cannot find them
-         JPG_PATH = -L/usr/lib            # paths to libjpeg.a, libpng.a, libz.a (.so) files if make cannot find them
+         JPG_INC = -I/usr/local/include   # path to jpeglib.h, png.h, zlib.h headers
+                                          # if make cannot find them
+         JPG_PATH = -L/usr/lib            # paths to libjpeg.a, libpng.a, libz.a (.so)
+                                          # files if make cannot find them
          JPG_LIB = -ljpeg -lpng -lz       # library names
 
       As with CMake, you do not need to set ``JPG_INC`` or ``JPG_PATH``,
@@ -414,8 +473,8 @@ Read or write compressed files
 If this option is enabled, large files can be read or written with
 compression by ``gzip`` or similar tools by several LAMMPS commands,
 including :doc:`read_data <read_data>`, :doc:`rerun <rerun>`, and
-:doc:`dump <dump>`.  Supported compression tools are currently
-``gzip``, ``bzip2``, ``zstd``, and ``lzma``.
+:doc:`dump <dump>`.  Supported compression tools and algorithms are currently
+``gzip``, ``bzip2``, ``zstd``, ``xz``, ``lz4``, and ``lzma`` (via xz).
 
 .. tabs::
 
@@ -423,8 +482,8 @@ including :doc:`read_data <read_data>`, :doc:`rerun <rerun>`, and
 
       .. code-block:: bash
 
-         -D WITH_GZIP=value       # yes or no
-                                  # default is yes if CMake can find the gzip program, else no
+         -D WITH_GZIP=value  # yes or no
+                             # default is yes if CMake can find the gzip program
 
    .. tab:: Traditional make
 
@@ -446,18 +505,83 @@ during a run.
    available using a compression library instead, which is what the
    :ref:`COMPRESS package <PKG-COMPRESS>` enables.
 
+--------------------------------------------------
+
+.. _libcurl:
+
+Support for downloading files from the input
+--------------------------------------------
+
+.. versionadded:: 29Aug2024
+
+The :doc:`geturl command <geturl>` command uses the `the libcurl library
+<https://curl.se/libcurl/>`_ to download files.  This requires that
+LAMMPS is compiled accordingly which needs the following settings:
+
+.. tabs::
+
+   .. tab:: CMake build
+
+      .. code-block:: bash
+
+         -D WITH_CURL=value      # yes or no
+                                 # default = yes if CMake finds CURL development files, else no
+
+      Usually these settings are all that is needed.  If CMake cannot
+      find the graphics header, library, executable files, you can set
+      these variables:
+
+      .. code-block:: bash
+
+         -D CURL_INCLUDE_DIR=path    # path to folder which contains curl.h header file
+         -D CURL_LIBRARY=path        # path to libcurls.a (.so) file
+
+   .. tab:: Traditional make
+
+      .. code-block:: make
+
+         LMP_INC = -DLAMMPS_CURL  <other LMP_INC settings>
+
+         CURL_INC = -I/usr/local/include   # path to curl folder with curl.h
+         CURL_PATH = -L/usr/lib            # paths to libcurl.a(.so) if make cannot find it
+         CURL_LIB = -lcurl                 # library names
+
+      As with CMake, you do not need to set ``CURL_INC`` or ``CURL_PATH``,
+      if make can find the libcurl header and library files in their
+      default system locations.  You must specify ``CURL_LIB`` with a
+      paths or linker flags to link to libcurl.
+
+----------
+
+.. _download_pot:
+
+Prevent download of large potential files
+-----------------------------------------
+
+.. versionadded:: 8Feb2023
+
+LAMMPS bundles a selection of potential files in the ``potentials``
+folder as examples of how those kinds of potential files look like and
+for use with the provided input examples in the ``examples`` tree.  To
+keep the size of the distributed LAMMPS source package small, very large
+potential files (> 5 MBytes) are not bundled, but only downloaded on
+demand when the :doc:`corresponding package <Packages_list>` is
+installed.  This automatic download can be prevented when :doc:`building
+LAMMPS with CMake <Build_cmake>` by adding the setting `-D
+DOWNLOAD_POTENTIALS=off` when configuring.
+
 ----------
 
 .. _align:
 
 Memory allocation alignment
----------------------------------------
+---------------------------
 
-This setting enables the use of the "posix_memalign()" call instead of
-"malloc()" when LAMMPS allocates large chunks of memory.  Vector
+This setting enables the use of the ``posix_memalign()`` call instead of
+``malloc()`` when LAMMPS allocates large chunks of memory.  Vector
 instructions on CPUs may become more efficient, if dynamically allocated
 memory is aligned on larger-than-default byte boundaries.  On most
-current operating systems, the "malloc()" implementation returns
+current operating systems, the ``malloc()`` implementation returns
 pointers that are aligned to 16-byte boundaries. Using SSE vector
 instructions efficiently, however, requires memory blocks being aligned
 on 64-byte boundaries.
@@ -471,9 +595,9 @@ on 64-byte boundaries.
          -D LAMMPS_MEMALIGN=value            # 0, 8, 16, 32, 64 (default)
 
       Use a ``LAMMPS_MEMALIGN`` value of 0 to disable using
-      "posix_memalign()" and revert to using the "malloc()" C-library
+      ``posix_memalign()`` and revert to using the ``malloc()`` C-library
       function instead.  When compiling LAMMPS for Windows systems,
-      "malloc()" will always be used and this setting is ignored.
+      ``malloc()`` will always be used and this setting is ignored.
 
    .. tab:: Traditional make
 
@@ -482,7 +606,7 @@ on 64-byte boundaries.
          LMP_INC = -DLAMMPS_MEMALIGN=value   # 8, 16, 32, 64
 
       Do not set ``-DLAMMPS_MEMALIGN``, if you want to have memory
-      allocated with the "malloc()" function call
+      allocated with the ``malloc()`` function call
       instead. ``-DLAMMPS_MEMALIGN`` **cannot** be used on Windows, as
       Windows different function calls with different semantics for
       allocating aligned memory, that are not compatible with how LAMMPS
@@ -534,40 +658,3 @@ code has to be set up to *catch* exceptions thrown from within LAMMPS.
    throw an exception and thus other MPI ranks may get stuck waiting for
    messages from the ones with errors.
 
-----------
-
-.. _trap_fpe:
-
-Trigger selected floating-point exceptions
-------------------------------------------
-
-Many kinds of CPUs have the capability to detect when a calculation
-results in an invalid math operation, like a division by zero or calling
-the square root with a negative argument.  The default behavior on
-most operating systems is to continue and have values for ``NaN`` (= not
-a number) or ``Inf`` (= infinity).  This allows software to detect and
-recover from such conditions.  This behavior can be changed, however,
-often through use of compiler flags.  On Linux systems (or more general
-on systems using the GNU C library), these so-called floating-point traps
-can also be selectively enabled through library calls.  LAMMPS supports
-that by setting the ``-DLAMMPS_TRAP_FPE`` pre-processor define.  As it is
-done in the ``main()`` function, this applies only to the standalone
-executable, not the library.
-
-.. tabs::
-
-   .. tab:: CMake build
-
-      .. code-block:: bash
-
-         -D CMAKE_TUNE_FLAGS=-DLAMMPS_TRAP_FPE
-
-   .. tab:: Traditional make
-
-      .. code-block:: make
-
-         LMP_INC = -DLAMMPS_TRAP_FPE  <other LMP_INC settings>
-
-After compilation with this flag set, the LAMMPS executable will stop
-and produce a core dump when a division by zero, overflow, illegal math
-function argument or other invalid floating point operation is encountered.

doc/src/Build_windows.rst

@@ -100,9 +100,9 @@ procedure.
 
 It is possible to use both the integrated CMake support of the Visual
 Studio IDE or use an external CMake installation (e.g. downloaded from
-cmake.org) to create build files and compile LAMMPS from the command line.
+cmake.org) to create build files and compile LAMMPS from the command-line.
 
-Compilation via command line and unit tests are checked automatically
+Compilation via command-line and unit tests are checked automatically
 for the LAMMPS development branch through
 `GitHub Actions <https://github.com/lammps/lammps/actions/workflows/compile-msvc.yml>`_.
 
@@ -115,7 +115,7 @@ for the LAMMPS development branch through
 
 Please note, that for either approach CMake will create a so-called
 :ref:`"multi-configuration" build environment <cmake_multiconfig>`, and
-the command lines for building and testing LAMMPS must be adjusted
+the commands for building and testing LAMMPS must be adjusted
 accordingly.
 
 The LAMMPS cmake folder contains a ``CMakeSettings.json`` file with

doc/src/Classes_lammps.rst

@@ -4,7 +4,7 @@ LAMMPS Class
 The LAMMPS class is encapsulating an MD simulation state and thus it is
 the class that needs to be created when starting a new simulation system
 state.  The LAMMPS executable essentially creates one instance of this
-class and passes the command line flags and tells it to process the
+class and passes the command-line flags and tells it to process the
 provided input (a file or ``stdin``).  It shuts the class down when
 control is returned to it and then exits.  When using LAMMPS as a
 library from another code it is required to create an instance of this

doc/src/Commands_all.rst

@@ -1,26 +1,30 @@
-.. table_from_list::
-   :columns: 3
+.. only:: html
 
-   * :doc:`General commands <Commands_all>`
-   * :doc:`Fix styles <Commands_fix>`
-   * :doc:`Compute styles <Commands_compute>`
-   * :doc:`Pair styles <Commands_pair>`
-   * :ref:`Bond styles <bond>`
-   * :ref:`Angle styles <angle>`
-   * :ref:`Dihedral styles <dihedral>`
-   * :ref:`Improper styles <improper>`
-   * :doc:`KSpace styles <Commands_kspace>`
-   * :doc:`Dump styles <Commands_dump>`
+   .. table_from_list::
+      :columns: 5
+
+      * :doc:`General commands <Commands_all>`
+      * :doc:`Fix styles <Commands_fix>`
+      * :doc:`Compute styles <Commands_compute>`
+      * :doc:`Pair styles <Commands_pair>`
+      * :ref:`Bond styles <bond>`
+      * :ref:`Angle styles <angle>`
+      * :ref:`Dihedral styles <dihedral>`
+      * :ref:`Improper styles <improper>`
+      * :doc:`KSpace styles <Commands_kspace>`
+      * :doc:`Dump styles <Commands_dump>`
+
+.. raw:: latex
+
+   \clearpage
 
 General commands
 ================
 
-An alphabetic list of general LAMMPS commands.  Note that style
-commands with many variants, can be more easily accessed via the small
-table above.
+An alphabetic list of general LAMMPS commands.
 
 .. table_from_list::
-   :columns: 5
+   :columns: 6
 
    * :doc:`angle_coeff <angle_coeff>`
    * :doc:`angle_style <angle_style>`
@@ -54,6 +58,7 @@ table above.
    * :doc:`echo <echo>`
    * :doc:`fix <fix>`
    * :doc:`fix_modify <fix_modify>`
+   * :doc:`geturl <geturl>`
    * :doc:`group <group>`
    * :doc:`if <if>`
    * :doc:`improper_coeff <improper_coeff>`
@@ -121,7 +126,7 @@ commands have accelerated versions.  This is indicated by an
 additional letter in parenthesis: k = KOKKOS.
 
 .. table_from_list::
-   :columns: 5
+   :columns: 6
 
    * :doc:`dynamical_matrix (k) <dynamical_matrix>`
    * :doc:`group2ndx <group2ndx>`
@@ -135,6 +140,7 @@ additional letter in parenthesis: k = KOKKOS.
    * :doc:`plugin <plugin>`
    * :doc:`prd <prd>`
    * :doc:`python <python>`
+   * :doc:`region2vmd <region2vmd>`
    * :doc:`tad <tad>`
    * :doc:`temper <temper>`
    * :doc:`temper/grem <temper_grem>`

doc/src/Commands_bond.rst

@@ -1,21 +1,7 @@
-.. table_from_list::
-   :columns: 3
-
-   * :doc:`General commands <Commands_all>`
-   * :doc:`Fix styles <Commands_fix>`
-   * :doc:`Compute styles <Commands_compute>`
-   * :doc:`Pair styles <Commands_pair>`
-   * :ref:`Bond styles <bond>`
-   * :ref:`Angle styles <angle>`
-   * :ref:`Dihedral styles <dihedral>`
-   * :ref:`Improper styles <improper>`
-   * :doc:`KSpace styles <Commands_kspace>`
-   * :doc:`Dump styles <Commands_dump>`
-
 .. _bond:
 
-Bond_style potentials
-=====================
+Bond styles
+===========
 
 All LAMMPS :doc:`bond_style <bond_style>` commands.  Some styles have
 accelerated versions.  This is indicated by additional letters in
@@ -23,7 +9,7 @@ parenthesis: g = GPU, i = INTEL, k = KOKKOS, o = OPENMP, t =
 OPT.
 
 .. table_from_list::
-   :columns: 4
+   :columns: 5
 
    * :doc:`none <bond_none>`
    * :doc:`zero <bond_zero>`
@@ -33,8 +19,11 @@ OPT.
    *
    *
    *
+   *
+   *
    * :doc:`bpm/rotational <bond_bpm_rotational>`
    * :doc:`bpm/spring <bond_bpm_spring>`
+   * :doc:`bpm/spring/plastic <bond_bpm_spring_plastic>`
    * :doc:`class2 (ko) <bond_class2>`
    * :doc:`fene (iko) <bond_fene>`
    * :doc:`fene/expand (o) <bond_fene_expand>`
@@ -54,13 +43,14 @@ OPT.
    * :doc:`oxdna2/fene <bond_oxdna>`
    * :doc:`oxrna2/fene <bond_oxdna>`
    * :doc:`quartic (o) <bond_quartic>`
+   * :doc:`rheo/shell <bond_rheo_shell>`
    * :doc:`special <bond_special>`
    * :doc:`table (o) <bond_table>`
 
 .. _angle:
 
-Angle_style potentials
-======================
+Angle styles
+============
 
 All LAMMPS :doc:`angle_style <angle_style>` commands.  Some styles have
 accelerated versions.  This is indicated by additional letters in
@@ -68,11 +58,13 @@ parenthesis: g = GPU, i = INTEL, k = KOKKOS, o = OPENMP, t =
 OPT.
 
 .. table_from_list::
-   :columns: 4
+   :columns: 5
 
    * :doc:`none <angle_none>`
    * :doc:`zero <angle_zero>`
-   * :doc:`hybrid <angle_hybrid>`
+   * :doc:`hybrid (k) <angle_hybrid>`
+   *
+   *
    *
    *
    *
@@ -99,14 +91,15 @@ OPT.
    * :doc:`lepton (o) <angle_lepton>`
    * :doc:`mesocnt <angle_mesocnt>`
    * :doc:`mm3 <angle_mm3>`
+   * :doc:`mwlc <angle_mwlc>`
    * :doc:`quartic (o) <angle_quartic>`
-   * :doc:`spica (o) <angle_spica>`
+   * :doc:`spica (ko) <angle_spica>`
    * :doc:`table (o) <angle_table>`
 
 .. _dihedral:
 
-Dihedral_style potentials
-=========================
+Dihedral styles
+===============
 
 All LAMMPS :doc:`dihedral_style <dihedral_style>` commands.  Some styles
 have accelerated versions.  This is indicated by additional letters in
@@ -114,11 +107,13 @@ parenthesis: g = GPU, i = INTEL, k = KOKKOS, o = OPENMP, t =
 OPT.
 
 .. table_from_list::
-   :columns: 4
+   :columns: 5
 
    * :doc:`none <dihedral_none>`
    * :doc:`zero <dihedral_zero>`
-   * :doc:`hybrid <dihedral_hybrid>`
+   * :doc:`hybrid (k) <dihedral_hybrid>`
+   *
+   *
    *
    *
    *
@@ -133,7 +128,7 @@ OPT.
    * :doc:`harmonic (iko) <dihedral_harmonic>`
    * :doc:`helix (o) <dihedral_helix>`
    * :doc:`lepton (o) <dihedral_lepton>`
-   * :doc:`multi/harmonic (o) <dihedral_multi_harmonic>`
+   * :doc:`multi/harmonic (ko) <dihedral_multi_harmonic>`
    * :doc:`nharmonic (o) <dihedral_nharmonic>`
    * :doc:`opls (iko) <dihedral_opls>`
    * :doc:`quadratic (o) <dihedral_quadratic>`
@@ -143,8 +138,8 @@ OPT.
 
 .. _improper:
 
-Improper_style potentials
-=========================
+Improper styles
+===============
 
 All LAMMPS :doc:`improper_style <improper_style>` commands.  Some styles
 have accelerated versions.  This is indicated by additional letters in
@@ -152,11 +147,13 @@ parenthesis: g = GPU, i = INTEL, k = KOKKOS, o = OPENMP, t =
 OPT.
 
 .. table_from_list::
-   :columns: 4
+   :columns: 5
 
    * :doc:`none <improper_none>`
    * :doc:`zero <improper_zero>`
-   * :doc:`hybrid <improper_hybrid>`
+   * :doc:`hybrid (k) <improper_hybrid>`
+   *
+   *
    *
    *
    *

doc/src/Commands_category.rst

@@ -1,3 +1,7 @@
+.. raw:: latex
+
+   \clearpage
+
 Commands by category
 ====================
 
@@ -6,8 +10,8 @@ This page lists most of the LAMMPS commands, grouped by category.  The
 alphabetically.  Style options for entries like fix, compute, pair etc.
 have their own pages where they are listed alphabetically.
 
-Initialization:
-------------------------------
+Initialization
+--------------
 
 .. table_from_list::
    :columns: 5
@@ -18,8 +22,8 @@ Initialization:
    * :doc:`suffix <suffix>`
    * :doc:`units <units>`
 
-Setup simulation box:
-------------------------------
+Setup simulation box
+--------------------
 
 .. table_from_list::
    :columns: 4
@@ -31,8 +35,8 @@ Setup simulation box:
    * :doc:`lattice <lattice>`
    * :doc:`region <region>`
 
-Setup atoms:
-------------------------------
+Setup atoms
+-----------
 
 .. table_from_list::
    :columns: 4
@@ -55,8 +59,8 @@ Setup atoms:
    * :doc:`set <set>`
    * :doc:`velocity <velocity>`
 
-Force fields:
-------------------------------
+Force fields
+------------
 
 .. table_from_list::
    :columns: 4
@@ -79,8 +83,8 @@ Force fields:
    * :doc:`pair_write <pair_write>`
    * :doc:`special_bonds <special_bonds>`
 
-Settings:
-------------------------------
+Settings
+--------
 
 .. table_from_list::
    :columns: 4
@@ -98,8 +102,8 @@ Settings:
    * :doc:`timer <timer>`
    * :doc:`timestep <timestep>`
 
-Operations within timestepping (fixes) and diagnostics (computes):
-------------------------------------------------------------------------------------------
+Operations within timestepping (fixes) and diagnostics (computes)
+-----------------------------------------------------------------
 
 .. table_from_list::
    :columns: 4
@@ -111,8 +115,8 @@ Operations within timestepping (fixes) and diagnostics (computes):
    * :doc:`uncompute <uncompute>`
    * :doc:`unfix <unfix>`
 
-Output:
-------------------------------
+Output
+------
 
 .. table_from_list::
    :columns: 4
@@ -131,8 +135,8 @@ Output:
    * :doc:`write_dump <write_dump>`
    * :doc:`write_restart <write_restart>`
 
-Actions:
-------------------------------
+Actions
+-------
 
 .. table_from_list::
    :columns: 6
@@ -146,8 +150,8 @@ Actions:
    * :doc:`tad <tad>`
    * :doc:`temper <temper>`
 
-Input script control:
-------------------------------
+Input script control
+--------------------
 
 .. table_from_list::
    :columns: 7

doc/src/Commands_compute.rst

@@ -1,19 +1,5 @@
-.. table_from_list::
-   :columns: 3
-
-   * :doc:`General commands <Commands_all>`
-   * :doc:`Fix styles <Commands_fix>`
-   * :doc:`Compute styles <Commands_compute>`
-   * :doc:`Pair styles <Commands_pair>`
-   * :ref:`Bond styles <bond>`
-   * :ref:`Angle styles <angle>`
-   * :ref:`Dihedral styles <dihedral>`
-   * :ref:`Improper styles <improper>`
-   * :doc:`KSpace styles <Commands_kspace>`
-   * :doc:`Dump styles <Commands_dump>`
-
-Compute commands
-================
+Compute styles
+==============
 
 An alphabetic list of all LAMMPS :doc:`compute <compute>` commands.
 Some styles have accelerated versions.  This is indicated by
@@ -21,7 +7,7 @@ additional letters in parenthesis: g = GPU, i = INTEL, k =
 KOKKOS, o = OPENMP, t = OPT.
 
 .. table_from_list::
-   :columns: 5
+   :columns: 4
 
    * :doc:`ackland/atom <compute_ackland_atom>`
    * :doc:`adf <compute_adf>`
@@ -72,6 +58,7 @@ KOKKOS, o = OPENMP, t = OPT.
    * :doc:`fep/ta <compute_fep_ta>`
    * :doc:`force/tally <compute_tally>`
    * :doc:`fragment/atom <compute_cluster_atom>`
+   * :doc:`gaussian/grid/local (k) <compute_gaussian_grid_local>`
    * :doc:`global/atom <compute_global_atom>`
    * :doc:`group/group <compute_group_group>`
    * :doc:`gyration <compute_gyration>`
@@ -126,6 +113,7 @@ KOKKOS, o = OPENMP, t = OPT.
    * :doc:`reduce <compute_reduce>`
    * :doc:`reduce/chunk <compute_reduce_chunk>`
    * :doc:`reduce/region <compute_reduce>`
+   * :doc:`rheo/property/atom <compute_rheo_property_atom>`
    * :doc:`rigid/local <compute_rigid_local>`
    * :doc:`saed <compute_saed>`
    * :doc:`slcsa/atom <compute_slcsa_atom>`
@@ -153,8 +141,8 @@ KOKKOS, o = OPENMP, t = OPT.
    * :doc:`smd/vol <compute_smd_vol>`
    * :doc:`snap <compute_sna_atom>`
    * :doc:`sna/atom <compute_sna_atom>`
-   * :doc:`sna/grid <compute_sna_atom>`
-   * :doc:`sna/grid/local <compute_sna_atom>`
+   * :doc:`sna/grid (k) <compute_sna_atom>`
+   * :doc:`sna/grid/local (k) <compute_sna_atom>`
    * :doc:`snad/atom <compute_sna_atom>`
    * :doc:`snav/atom <compute_sna_atom>`
    * :doc:`sph/e/atom <compute_sph_e_atom>`
@@ -190,6 +178,7 @@ KOKKOS, o = OPENMP, t = OPT.
    * :doc:`ti <compute_ti>`
    * :doc:`torque/chunk <compute_torque_chunk>`
    * :doc:`vacf <compute_vacf>`
+   * :doc:`vacf/chunk <compute_vacf_chunk>`
    * :doc:`vcm/chunk <compute_vcm_chunk>`
    * :doc:`viscosity/cos <compute_viscosity_cos>`
    * :doc:`voronoi/atom <compute_voronoi_atom>`

doc/src/Commands_dump.rst

@@ -1,24 +1,10 @@
-.. table_from_list::
-   :columns: 3
-
-   * :doc:`General commands <Commands_all>`
-   * :doc:`Fix styles <Commands_fix>`
-   * :doc:`Compute styles <Commands_compute>`
-   * :doc:`Pair styles <Commands_pair>`
-   * :ref:`Bond styles <bond>`
-   * :ref:`Angle styles <angle>`
-   * :ref:`Dihedral styles <dihedral>`
-   * :ref:`Improper styles <improper>`
-   * :doc:`KSpace styles <Commands_kspace>`
-   * :doc:`Dump styles <Commands_dump>`
-
-Dump commands
-=============
+Dump styles
+===========
 
 An alphabetic list of all LAMMPS :doc:`dump <dump>` commands.
 
 .. table_from_list::
-   :columns: 5
+   :columns: 6
 
    * :doc:`atom <dump>`
    * :doc:`atom/adios <dump_adios>`
@@ -33,6 +19,7 @@ An alphabetic list of all LAMMPS :doc:`dump <dump>` commands.
    * :doc:`custom/gz <dump>`
    * :doc:`custom/zstd <dump>`
    * :doc:`dcd <dump>`
+   * :doc:`extxyz <dump>`
    * :doc:`grid <dump>`
    * :doc:`grid/vtk <dump>`
    * :doc:`h5md <dump_h5md>`

doc/src/Commands_fix.rst

@@ -1,19 +1,5 @@
-.. table_from_list::
-   :columns: 3
-
-   * :doc:`General commands <Commands_all>`
-   * :doc:`Fix styles <Commands_fix>`
-   * :doc:`Compute styles <Commands_compute>`
-   * :doc:`Pair styles <Commands_pair>`
-   * :ref:`Bond styles <bond>`
-   * :ref:`Angle styles <angle>`
-   * :ref:`Dihedral styles <dihedral>`
-   * :ref:`Improper styles <improper>`
-   * :doc:`KSpace styles <Commands_kspace>`
-   * :doc:`Dump styles <Commands_dump>`
-
-Fix commands
-============
+Fix styles
+==========
 
 An alphabetic list of all LAMMPS :doc:`fix <fix>` commands.  Some styles
 have accelerated versions.  This is indicated by additional letters in
@@ -21,13 +7,14 @@ parenthesis: g = GPU, i = INTEL, k = KOKKOS, o = OPENMP, t =
 OPT.
 
 .. table_from_list::
-   :columns: 5
+   :columns: 4
 
    * :doc:`accelerate/cos <fix_accelerate_cos>`
    * :doc:`acks2/reaxff (k) <fix_acks2_reaxff>`
    * :doc:`adapt <fix_adapt>`
    * :doc:`adapt/fep <fix_adapt_fep>`
    * :doc:`addforce <fix_addforce>`
+   * :doc:`add/heat <fix_add_heat>`
    * :doc:`addtorque <fix_addtorque>`
    * :doc:`alchemy <fix_alchemy>`
    * :doc:`amoeba/bitorsion <fix_amoeba_bitorsion>`
@@ -35,6 +22,7 @@ OPT.
    * :doc:`append/atoms <fix_append_atoms>`
    * :doc:`atc <fix_atc>`
    * :doc:`atom/swap <fix_atom_swap>`
+   * :doc:`atom_weight/apip <fix_atom_weight_apip>`
    * :doc:`ave/atom <fix_ave_atom>`
    * :doc:`ave/chunk <fix_ave_chunk>`
    * :doc:`ave/correlate <fix_ave_correlate>`
@@ -42,6 +30,7 @@ OPT.
    * :doc:`ave/grid <fix_ave_grid>`
    * :doc:`ave/histo <fix_ave_histo>`
    * :doc:`ave/histo/weight <fix_ave_histo>`
+   * :doc:`ave/moments <fix_ave_moments>`
    * :doc:`ave/time <fix_ave_time>`
    * :doc:`aveforce <fix_aveforce>`
    * :doc:`balance <fix_balance>`
@@ -56,7 +45,7 @@ OPT.
    * :doc:`brownian/asphere <fix_brownian>`
    * :doc:`brownian/sphere <fix_brownian>`
    * :doc:`charge/regulation <fix_charge_regulation>`
-   * :doc:`cmap <fix_cmap>`
+   * :doc:`cmap (k) <fix_cmap>`
    * :doc:`colvars <fix_colvars>`
    * :doc:`controller <fix_controller>`
    * :doc:`damping/cundall <fix_damping_cundall>`
@@ -71,12 +60,13 @@ OPT.
    * :doc:`dt/reset (k) <fix_dt_reset>`
    * :doc:`edpd/source <fix_dpd_source>`
    * :doc:`efield (k) <fix_efield>`
+   * :doc:`efield/lepton <fix_efield_lepton>`
    * :doc:`efield/tip4p <fix_efield>`
    * :doc:`ehex <fix_ehex>`
    * :doc:`electrode/conp (i) <fix_electrode>`
    * :doc:`electrode/conq (i) <fix_electrode>`
    * :doc:`electrode/thermo (i) <fix_electrode>`
-   * :doc:`electron/stopping <fix_electron_stopping>`
+   * :doc:`electron/stopping (k) <fix_electron_stopping>`
    * :doc:`electron/stopping/fit <fix_electron_stopping>`
    * :doc:`enforce2d (k) <fix_enforce2d>`
    * :doc:`eos/cv <fix_eos_cv>`
@@ -89,6 +79,7 @@ OPT.
    * :doc:`flow/gauss <fix_flow_gauss>`
    * :doc:`freeze (k) <fix_freeze>`
    * :doc:`gcmc <fix_gcmc>`
+   * :doc:`gjf <fix_gjf>`
    * :doc:`gld <fix_gld>`
    * :doc:`gle <fix_gle>`
    * :doc:`gravity (ko) <fix_gravity>`
@@ -96,11 +87,14 @@ OPT.
    * :doc:`halt <fix_halt>`
    * :doc:`heat <fix_heat>`
    * :doc:`heat/flow <fix_heat_flow>`
+   * :doc:`hmc <fix_hmc>`
    * :doc:`hyper/global <fix_hyper_global>`
    * :doc:`hyper/local <fix_hyper_local>`
    * :doc:`imd <fix_imd>`
    * :doc:`indent <fix_indent>`
    * :doc:`ipi <fix_ipi>`
+   * :doc:`lambda/apip <fix_lambda_apip>`
+   * :doc:`lambda_thermostat/apip <fix_lambda_thermostat_apip>`
    * :doc:`langevin (k) <fix_langevin>`
    * :doc:`langevin/drude <fix_langevin_drude>`
    * :doc:`langevin/eff <fix_langevin_eff>`
@@ -123,6 +117,7 @@ OPT.
    * :doc:`mvv/tdpd <fix_mvv_dpd>`
    * :doc:`neb <fix_neb>`
    * :doc:`neb/spin <fix_neb_spin>`
+   * :doc:`neighbor/swap <fix_neighbor_swap>`
    * :doc:`nonaffine/displacement <fix_nonaffine_displacement>`
    * :doc:`nph (ko) <fix_nh>`
    * :doc:`nph/asphere (o) <fix_nph_asphere>`
@@ -147,7 +142,7 @@ OPT.
    * :doc:`nve/dot <fix_nve_dot>`
    * :doc:`nve/dotc/langevin <fix_nve_dotc_langevin>`
    * :doc:`nve/eff <fix_nve_eff>`
-   * :doc:`nve/limit <fix_nve_limit>`
+   * :doc:`nve/limit (k) <fix_nve_limit>`
    * :doc:`nve/line <fix_nve_line>`
    * :doc:`nve/manifold/rattle <fix_nve_manifold_rattle>`
    * :doc:`nve/noforce <fix_nve_noforce>`
@@ -174,6 +169,8 @@ OPT.
    * :doc:`phonon <fix_phonon>`
    * :doc:`pimd/langevin <fix_pimd>`
    * :doc:`pimd/nvt <fix_pimd>`
+   * :doc:`pimd/langevin/bosonic <fix_pimd>`
+   * :doc:`pimd/nvt/bosonic <fix_pimd>`
    * :doc:`planeforce <fix_planeforce>`
    * :doc:`plumed <fix_plumed>`
    * :doc:`poems <fix_poems>`
@@ -191,19 +188,27 @@ OPT.
    * :doc:`python/move <fix_python_move>`
    * :doc:`qbmsst <fix_qbmsst>`
    * :doc:`qeq/comb (o) <fix_qeq_comb>`
+   * :doc:`qeq/ctip <fix_qeq>`
    * :doc:`qeq/dynamic <fix_qeq>`
    * :doc:`qeq/fire <fix_qeq>`
    * :doc:`qeq/point <fix_qeq>`
    * :doc:`qeq/reaxff (ko) <fix_qeq_reaxff>`
+   * :doc:`qeq/rel/reaxff <fix_qeq_rel_reaxff>`
    * :doc:`qeq/shielded <fix_qeq>`
    * :doc:`qeq/slater <fix_qeq>`
    * :doc:`qmmm <fix_qmmm>`
    * :doc:`qtb <fix_qtb>`
+   * :doc:`qtpie/reaxff <fix_qtpie_reaxff>`
    * :doc:`rattle <fix_shake>`
    * :doc:`reaxff/bonds (k) <fix_reaxff_bonds>`
    * :doc:`reaxff/species (k) <fix_reaxff_species>`
-   * :doc:`recenter <fix_recenter>`
+   * :doc:`recenter (k) <fix_recenter>`
    * :doc:`restrain <fix_restrain>`
+   * :doc:`rheo <fix_rheo>`
+   * :doc:`rheo/oxidation <fix_rheo_oxidation>`
+   * :doc:`rheo/pressure <fix_rheo_pressure>`
+   * :doc:`rheo/thermal <fix_rheo_thermal>`
+   * :doc:`rheo/viscosity <fix_rheo_viscosity>`
    * :doc:`rhok <fix_rhok>`
    * :doc:`rigid (o) <fix_rigid>`
    * :doc:`rigid/meso <fix_rigid_meso>`
@@ -218,6 +223,7 @@ OPT.
    * :doc:`rigid/small (o) <fix_rigid>`
    * :doc:`rx (k) <fix_rx>`
    * :doc:`saed/vtk <fix_saed_vtk>`
+   * :doc:`set <fix_set>`
    * :doc:`setforce (k) <fix_setforce>`
    * :doc:`setforce/spin <fix_setforce>`
    * :doc:`sgcmc <fix_sgcmc>`
@@ -275,7 +281,7 @@ OPT.
    * :doc:`wall/piston <fix_wall_piston>`
    * :doc:`wall/reflect (k) <fix_wall_reflect>`
    * :doc:`wall/reflect/stochastic <fix_wall_reflect_stochastic>`
-   * :doc:`wall/region <fix_wall_region>`
+   * :doc:`wall/region (k) <fix_wall_region>`
    * :doc:`wall/region/ees <fix_wall_ees>`
    * :doc:`wall/srd <fix_wall_srd>`
    * :doc:`wall/table <fix_wall>`

doc/src/Commands_input.rst

@@ -10,14 +10,14 @@ for any commands that may be processed later. Commands may set an
 internal variable, read in a file, or run a simulation.  These actions
 can be grouped into three categories:
 
-a) commands that change a global setting (examples: timestep, newton,
-   echo, log, thermo, restart),
+a) commands that change a global setting (examples: :doc:`timestep <timestep>`, :doc:`newton <newton>`,
+   :doc:`echo <echo>`, :doc:`log <log>`, :doc:`thermo <thermo>`, :doc:`restart <restart>`),
 b) commands that add, modify, remove, or replace "styles" that are
-   executed during a "run" (examples: pair_style, fix, compute, dump,
-   thermo_style, pair_modify), and
+   executed during a "run" (examples: :doc:`pair_style <pair_style>`, :doc:`fix <fix>`, :doc:`compute <compute>`, :doc:`dump <dump>`,
+   :doc:`thermo_style <thermo_style>`, :doc:`pair_modify <pair_modify>`), and
 c) commands that execute a "run" or perform some other computation or
-   operation (examples: print, run, minimize, temper, write_dump, rerun,
-   read_data, read_restart)
+   operation (examples: :doc:`print <print>`, :doc:`run <run>`, :doc:`minimize <minimize>`, :doc:`temper <temper>`, :doc:`write_dump <write_dump>`, :doc:`rerun <rerun>`,
+   :doc:`read_data <read_data>`, :doc:`read_restart <read_restart>`)
 
 Commands in category a) have default settings, which means you only
 need to use the command if you wish to change the defaults.
@@ -61,7 +61,7 @@ between commands in the c) category. The following rules apply:
     <read_data>` command initializes the system by setting up the
     simulation box and assigning atoms to processors.  If default values
     are not desired, the :doc:`processors <processors>` and
-    :doc:`boundary <boundary>` commands need to be used before read_data
+    :doc:`boundary <boundary>` commands need to be used before ``read_data``
     to tell LAMMPS how to map processors to the simulation box.
 
 Many input script errors are detected by LAMMPS and an ERROR or
@@ -69,7 +69,7 @@ WARNING message is printed.  The :doc:`Errors <Errors>` page gives
 more information on what errors mean.  The documentation for each
 command lists restrictions on how the command can be used.
 
-You can use the :ref:`-skiprun <skiprun>` command line flag
-to have LAMMPS skip the execution of any "run", "minimize", or similar
+You can use the :ref:`-skiprun <skiprun>` command-line flag
+to have LAMMPS skip the execution of any ``run``, ``minimize``, or similar
 commands to check the entire input for correct syntax to avoid crashes
 on typos or syntax errors in long runs.

doc/src/Commands_kspace.rst

@@ -1,19 +1,5 @@
-.. table_from_list::
-   :columns: 3
-
-   * :doc:`General commands <Commands_all>`
-   * :doc:`Fix styles <Commands_fix>`
-   * :doc:`Compute styles <Commands_compute>`
-   * :doc:`Pair styles <Commands_pair>`
-   * :ref:`Bond styles <bond>`
-   * :ref:`Angle styles <angle>`
-   * :ref:`Dihedral styles <dihedral>`
-   * :ref:`Improper styles <improper>`
-   * :doc:`KSpace styles <Commands_kspace>`
-   * :doc:`Dump styles <Commands_dump>`
-
-KSpace solvers
-==============
+KSpace styles
+=============
 
 All LAMMPS :doc:`kspace_style <kspace_style>` solvers.  Some styles have
 accelerated versions.  This is indicated by additional letters in
@@ -21,7 +7,7 @@ parenthesis: g = GPU, i = INTEL, k = KOKKOS, o = OPENMP, t =
 OPT.
 
 .. table_from_list::
-   :columns: 4
+   :columns: 5
 
    * :doc:`ewald (o) <kspace_style>`
    * :doc:`ewald/disp <kspace_style>`
@@ -45,3 +31,5 @@ OPT.
    * :doc:`pppm/dielectric <kspace_style>`
    * :doc:`pppm/electrode (i) <kspace_style>`
    * :doc:`scafacos <kspace_style>`
+   * :doc:`zero <kspace_style>`
+

doc/src/Commands_pair.rst

@@ -1,19 +1,5 @@
-.. table_from_list::
-   :columns: 3
-
-   * :doc:`General commands <Commands_all>`
-   * :doc:`Fix styles <Commands_fix>`
-   * :doc:`Compute styles <Commands_compute>`
-   * :doc:`Pair styles <Commands_pair>`
-   * :ref:`Bond styles <bond>`
-   * :ref:`Angle styles <angle>`
-   * :ref:`Dihedral styles <dihedral>`
-   * :ref:`Improper styles <improper>`
-   * :doc:`KSpace styles <Commands_kspace>`
-   * :doc:`Dump styles <Commands_dump>`
-
-Pair_style potentials
-======================
+Pair styles
+===========
 
 All LAMMPS :doc:`pair_style <pair_style>` commands.  Some styles have
 accelerated versions.  This is indicated by additional letters in
@@ -21,7 +7,7 @@ parenthesis: g = GPU, i = INTEL, k = KOKKOS, o = OPENMP, t =
 OPT.
 
 .. table_from_list::
-   :columns: 4
+   :columns: 3
 
    * :doc:`none <pair_none>`
    * :doc:`zero <pair_zero>`
@@ -58,7 +44,7 @@ OPT.
    * :doc:`born/coul/wolf/cs (g) <pair_cs>`
    * :doc:`born/gauss <pair_born_gauss>`
    * :doc:`bpm/spring <pair_bpm_spring>`
-   * :doc:`brownian (o) <pair_brownian>`
+   * :doc:`brownian (ko) <pair_brownian>`
    * :doc:`brownian/poly (o) <pair_brownian>`
    * :doc:`buck (giko) <pair_buck>`
    * :doc:`buck/coul/cut (giko) <pair_buck>`
@@ -73,6 +59,7 @@ OPT.
    * :doc:`comb (o) <pair_comb>`
    * :doc:`comb3 <pair_comb>`
    * :doc:`cosine/squared <pair_cosine_squared>`
+   * :doc:`coul/ctip <pair_coul>`
    * :doc:`coul/cut (gko) <pair_coul>`
    * :doc:`coul/cut/dielectric <pair_dielectric>`
    * :doc:`coul/cut/global (o) <pair_coul>`
@@ -93,6 +80,7 @@ OPT.
    * :doc:`coul/tt <pair_coul_tt>`
    * :doc:`coul/wolf (ko) <pair_coul>`
    * :doc:`coul/wolf/cs <pair_cs>`
+   * :doc:`dispersion/d3 <pair_dispersion_d3>`
    * :doc:`dpd (giko) <pair_dpd>`
    * :doc:`dpd/coul/slater/long (g) <pair_dpd_coul_slater_long>`
    * :doc:`dpd/ext (ko) <pair_dpd_ext>`
@@ -108,7 +96,9 @@ OPT.
    * :doc:`eam/cd <pair_eam>`
    * :doc:`eam/cd/old <pair_eam>`
    * :doc:`eam/fs (gikot) <pair_eam>`
+   * :doc:`eam/fs/apip <pair_eam_apip>`
    * :doc:`eam/he <pair_eam>`
+   * :doc:`eam/apip <pair_eam_apip>`
    * :doc:`edip (o) <pair_edip>`
    * :doc:`edip/multi <pair_edip>`
    * :doc:`edpd (g) <pair_mesodpd>`
@@ -127,13 +117,18 @@ OPT.
    * :doc:`gw/zbl <pair_gw>`
    * :doc:`harmonic/cut (o) <pair_harmonic_cut>`
    * :doc:`hbond/dreiding/lj (o) <pair_hbond_dreiding>`
+   * :doc:`hbond/dreiding/lj/angleoffset (o) <pair_hbond_dreiding>`
    * :doc:`hbond/dreiding/morse (o) <pair_hbond_dreiding>`
+   * :doc:`hbond/dreiding/morse/angleoffset (o) <pair_hbond_dreiding>`
    * :doc:`hdnnp <pair_hdnnp>`
    * :doc:`hippo (g) <pair_amoeba>`
    * :doc:`ilp/graphene/hbn (t) <pair_ilp_graphene_hbn>`
    * :doc:`ilp/tmd (t) <pair_ilp_tmd>`
    * :doc:`kolmogorov/crespi/full <pair_kolmogorov_crespi_full>`
    * :doc:`kolmogorov/crespi/z <pair_kolmogorov_crespi_z>`
+   * :doc:`lambda/input/apip <pair_lambda_input_apip>`
+   * :doc:`lambda/input/csp/apip <pair_lambda_input_apip>`
+   * :doc:`lambda/zone/apip <pair_lambda_zone_apip>`
    * :doc:`lcbop <pair_lcbop>`
    * :doc:`lebedeva/z <pair_lebedeva_z>`
    * :doc:`lennard/mdf <pair_mdf>`
@@ -189,9 +184,10 @@ OPT.
    * :doc:`lj/long/dipole/long <pair_dipole>`
    * :doc:`lj/long/tip4p/long (o) <pair_lj_long>`
    * :doc:`lj/mdf <pair_mdf>`
+   * :doc:`lj/pirani (o) <pair_lj_pirani>`
    * :doc:`lj/relres (o) <pair_lj_relres>`
    * :doc:`lj/spica (gko) <pair_spica>`
-   * :doc:`lj/spica/coul/long (go) <pair_spica>`
+   * :doc:`lj/spica/coul/long (gko) <pair_spica>`
    * :doc:`lj/spica/coul/msm (o) <pair_spica>`
    * :doc:`lj/sf/dipole/sf (go) <pair_dipole>`
    * :doc:`lj/smooth (go) <pair_lj_smooth>`
@@ -246,6 +242,9 @@ OPT.
    * :doc:`oxrna2/coaxstk <pair_oxrna2>`
    * :doc:`pace (k) <pair_pace>`
    * :doc:`pace/extrapolation (k) <pair_pace>`
+   * :doc:`pace/apip <pair_pace_apip>`
+   * :doc:`pace/fast/apip <pair_pace_apip>`
+   * :doc:`pace/precise/apip <pair_pace_apip>`
    * :doc:`pedone (o) <pair_pedone>`
    * :doc:`pod (k) <pair_pod>`
    * :doc:`peri/eps <pair_peri>`
@@ -260,6 +259,8 @@ OPT.
    * :doc:`rebo (io) <pair_airebo>`
    * :doc:`rebomos (o) <pair_rebomos>`
    * :doc:`resquared (go) <pair_resquared>`
+   * :doc:`rheo <pair_rheo>`
+   * :doc:`rheo/solid <pair_rheo_solid>`
    * :doc:`saip/metal (t) <pair_saip_metal>`
    * :doc:`sdpd/taitwater/isothermal <pair_sdpd_taitwater_isothermal>`
    * :doc:`smatb <pair_smatb>`

doc/src/Commands_parse.rst

@@ -42,8 +42,8 @@ LAMMPS:
    If the $ is followed by text in curly brackets '{}', then the
    variable name is the text inside the curly brackets.  If no curly
    brackets follow the $, then the variable name is the single character
-   immediately following the $.  Thus ${myTemp} and $x refer to variables
-   named "myTemp" and "x", while "$xx" will be interpreted as a variable
+   immediately following the $.  Thus ``${myTemp}`` and ``$x`` refer to variables
+   named "myTemp" and "x", while ``$xx`` will be interpreted as a variable
    named "x" followed by an "x" character.
 
    How the variable is converted to a text string depends on what style
@@ -79,10 +79,10 @@ LAMMPS:
 
    Additionally, the entire "immediate" variable expression may be
    followed by a colon, followed by a C-style format string,
-   e.g. ":%f" or ":%.10g".  The format string must be appropriate for
+   e.g. ``:%f`` or ``:%.10g``.  The format string must be appropriate for
    a double-precision floating-point value.  The format string is used
    to output the result of the variable expression evaluation.  If a
-   format string is not specified, a high-precision "%.20g" is used as
+   format string is not specified, a high-precision ``%.20g`` is used as
    the default format.
 
    This can be useful for formatting print output to a desired precision:
@@ -101,8 +101,8 @@ LAMMPS:
       variable        b2 equal 4
       print           "B2 = ${b$a}"
 
-   Nor can you specify an expression like "$($x-1.0)" for an immediate
-   variable, but you could use $(v_x-1.0), since the latter is valid
+   Nor can you specify an expression like ``$($x-1.0)`` for an immediate
+   variable, but you could use ``$(v_x-1.0)``, since the latter is valid
    syntax for an :doc:`equal-style variable <variable>`.
 
    See the :doc:`variable <variable>` command for more details of how

doc/src/Commands_removed.rst

@@ -1,6 +1,10 @@
 Removed commands and packages
 =============================
 
+.. contents::
+
+------
+
 This page lists LAMMPS commands and packages that have been removed from
 the distribution and provides suggestions for alternatives or
 replacements.  LAMMPS has special dummy styles implemented, that will
@@ -8,82 +12,43 @@ stop LAMMPS and print a suitable error message in most cases, when a
 style/command is used that has been removed or will replace the command
 with the direct alternative (if available) and print a warning.
 
-Fix ave/spatial and fix ave/spatial/sphere
-------------------------------------------
+GJF formulation in fix langevin
+-------------------------------
 
-.. deprecated:: 11Dec2015
+.. deprecated:: 12Jun2025
 
-The fixes ave/spatial and ave/spatial/sphere have been removed from LAMMPS
-since they were superseded by the more general and extensible "chunk
-infrastructure".  Here the system is partitioned in one of many possible
-ways through the :doc:`compute chunk/atom <compute_chunk_atom>` command
-and then averaging is done using :doc:`fix ave/chunk <fix_ave_chunk>`.
-Please refer to the :doc:`chunk HOWTO <Howto_chunk>` section for an overview.
+The *gjf* keyword in fix langevin is deprecated and will be removed
+soon.  The GJF functionality has been moved to its own fix style
+:doc:`fix gjf <fix_gjf>` and it is strongly recommended to use that
+fix instead.
 
-Box command
------------
 
-.. deprecated:: 22Dec2022
-
-The *box* command has been removed and the LAMMPS code changed so it won't
-be needed.  If present, LAMMPS will ignore the command and print a warning.
-
-Reset_ids, reset_atom_ids, reset_mol_ids commands
--------------------------------------------------
-
-.. deprecated:: 22Dec2022
-
-The *reset_ids*, *reset_atom_ids*, and *reset_mol_ids* commands have
-been folded into the :doc:`reset_atoms <reset_atoms>` command.  If
-present, LAMMPS will replace the commands accordingly and print a
-warning.
-
-LATTE package
--------------
-
-.. deprecated:: 15Jun2023
-
-The LATTE package with the fix latte command was removed from LAMMPS.
-This functionality has been superseded by :doc:`fix mdi/qm <fix_mdi_qm>`
-and :doc:`fix mdi/qmmm <fix_mdi_qmmm>` from the :ref:`MDI package
-<PKG-MDI>`.  These fixes are compatible with several quantum software
-packages, including LATTE.  See the ``examples/QUANTUM`` dir and the
-:doc:`MDI coupling HOWTO <Howto_mdi>` page.  MDI supports running LAMMPS
-with LATTE as a plugin library (similar to the way fix latte worked), as
-well as on a different set of MPI processors.
-
-MEAM package
+LAMMPS shell
 ------------
 
-The MEAM package in Fortran has been replaced by a C++ implementation.
-The code in the :ref:`MEAM package <PKG-MEAM>` is a translation of the
-Fortran code of MEAM into C++, which removes several restrictions
-(e.g. there can be multiple instances in hybrid pair styles) and allows
-for some optimizations leading to better performance.  The pair style
-:doc:`meam <pair_meam>` has the exact same syntax.  For a transition
-period the C++ version of MEAM was called USER-MEAMC so it could
-coexist with the Fortran version.
+.. deprecated:: 29Aug2024
 
-Minimize style fire/old
------------------------
+The LAMMPS shell has been removed from the LAMMPS distribution. Users
+are encouraged to use the :ref:`LAMMPS-GUI <lammps_gui>` tool instead.
 
-.. deprecated:: 8Feb2023
+i-PI tool
+---------
 
-Minimize style *fire/old* has been removed. Its functionality can be
-reproduced with *fire* with specific options. Please see the
-:doc:`min_modify command <min_modify>` documentation for details.
+.. deprecated:: 27Jun2024
 
-Pair style mesont/tpm, compute style mesont, atom style mesont
---------------------------------------------------------------
+The i-PI tool has been removed from the LAMMPS distribution.  Instead,
+instructions to install i-PI from PyPI via pip are provided.
 
-.. deprecated:: 8Feb2023
+USER-REAXC package
+------------------
 
-Pair style *mesont/tpm*, compute style *mesont*, and atom style
-*mesont* have been removed from the :ref:`MESONT package <PKG-MESONT>`.
-The same functionality is available through
-:doc:`pair style mesocnt <pair_mesocnt>`,
-:doc:`bond style mesocnt <bond_mesocnt>` and
-:doc:`angle style mesocnt <angle_mesocnt>`.
+.. deprecated:: 7Feb2024
+
+The USER-REAXC package has been renamed to :ref:`REAXFF <PKG-REAXFF>`.
+In the process also the pair style and related fixes were renamed to use
+the "reaxff" string instead of "reax/c". For a while LAMMPS was maintaining
+backward compatibility by providing aliases for the styles.  These have
+been removed, so using "reaxff" is now *required*.
 
 MPIIO package
 -------------
@@ -103,7 +68,6 @@ Similarly, the "nfile" and "fileper" keywords exist for restarts:
 see :doc:`restart <restart>`, :doc:`read_restart <read_restart>`,
 :doc:`write_restart <write_restart>`.
 
-
 MSCG package
 ------------
 
@@ -114,9 +78,73 @@ for many years and instead superseded by the `OpenMSCG software
 <https://software.rcc.uchicago.edu/mscg/>`_ of the Voth group at the
 University of Chicago, which can be used independent from LAMMPS.
 
+LATTE package
+-------------
+
+.. deprecated:: 15Jun2023
+
+The LATTE package with the fix latte command was removed from LAMMPS.
+This functionality has been superseded by :doc:`fix mdi/qm <fix_mdi_qm>`
+and :doc:`fix mdi/qmmm <fix_mdi_qmmm>` from the :ref:`MDI package
+<PKG-MDI>`.  These fixes are compatible with several quantum software
+packages, including LATTE.  See the ``examples/QUANTUM`` dir and the
+:doc:`MDI coupling HOWTO <Howto_mdi>` page.  MDI supports running LAMMPS
+with LATTE as a plugin library (similar to the way fix latte worked), as
+well as on a different set of MPI processors.
+
+Minimize style fire/old
+-----------------------
+
+.. deprecated:: 8Feb2023
+
+Minimize style *fire/old* has been removed. Its functionality can be
+reproduced with style *fire* with specific options. Please see the
+:doc:`min_modify command <min_modify>` documentation for details.
+
+Pair style mesont/tpm, compute style mesont, atom style mesont
+--------------------------------------------------------------
+
+.. deprecated:: 8Feb2023
+
+Pair style *mesont/tpm*, compute style *mesont*, and atom style
+*mesont* have been removed from the :ref:`MESONT package <PKG-MESONT>`.
+The same functionality is available through
+:doc:`pair style mesocnt <pair_mesocnt>`,
+:doc:`bond style mesocnt <bond_mesocnt>` and
+:doc:`angle style mesocnt <angle_mesocnt>`.
+
+Box command
+-----------
+
+.. deprecated:: 22Dec2022
+
+The *box* command has been removed and the LAMMPS code changed so it won't
+be needed.  If present, LAMMPS will ignore the command and print a warning.
+
+Reset_ids, reset_atom_ids, reset_mol_ids commands
+-------------------------------------------------
+
+.. deprecated:: 22Dec2022
+
+The *reset_ids*, *reset_atom_ids*, and *reset_mol_ids* commands have
+been folded into the :doc:`reset_atoms <reset_atoms>` command.  If
+present, LAMMPS will replace the commands accordingly and print a
+warning.
+
+MESSAGE package
+---------------
+
+.. deprecated:: 4May2022
+
+The MESSAGE package has been removed since it was superseded by the
+:ref:`MDI package <PKG-MDI>`. MDI implements the same functionality
+and in a more general way with direct support for more applications.
+
 REAX package
 ------------
 
+.. deprecated:: 4Jan2019
+
 The REAX package has been removed since it was superseded by the
 :ref:`REAXFF package <PKG-REAXFF>`.  The REAXFF package has been tested
 to yield equivalent results to the REAX package, offers better
@@ -126,20 +154,25 @@ syntax compatible with the removed reax pair style, so input files will
 have to be adapted.  The REAXFF package was originally called
 USER-REAXC.
 
-USER-REAXC package
-------------------
+MEAM package
+------------
 
-.. deprecated:: 7Feb2024
+.. deprecated:: 4Jan2019
 
-The USER-REAXC package has been renamed to :ref:`REAXFF <PKG-REAXFF>`.
-In the process also the pair style and related fixes were renamed to use
-the "reaxff" string instead of "reax/c". For a while LAMMPS was maintaining
-backward compatibility by providing aliases for the styles.  These have
-been removed, so using "reaxff" is now *required*.
+The MEAM package in Fortran has been replaced by a C++ implementation.
+The code in the :ref:`MEAM package <PKG-MEAM>` is a translation of the
+Fortran code of MEAM into C++, which removes several restrictions
+(e.g. there can be multiple instances in hybrid pair styles) and allows
+for some optimizations leading to better performance.  The pair style
+:doc:`meam <pair_meam>` has the exact same syntax.  For a transition
+period the C++ version of MEAM was called USER-MEAMC so it could
+coexist with the Fortran version.
 
 USER-CUDA package
 -----------------
 
+.. deprecated:: 31May2016
+
 The USER-CUDA package had been removed, since it had been unmaintained
 for a long time and had known bugs and problems.  Significant parts of
 the design were transferred to the
@@ -148,20 +181,39 @@ performance characteristics on NVIDIA GPUs. Both, the KOKKOS
 and the :ref:`GPU package <PKG-GPU>` are maintained
 and allow running LAMMPS with GPU acceleration.
 
-i-PI tool
----------
+Compute atom/molecule
+---------------------
 
-.. versionchanged:: 27June2024
+.. deprecated:: 11 Dec2015
 
-The i-PI tool has been removed from the LAMMPS distribution.  Instead,
-instructions to install i-PI from PyPI via pip are provided.
+The atom/molecule command has been removed from LAMMPS since it was superseded
+by the more general and extensible "chunk infrastructure".  Here the system is
+partitioned in one of many possible ways - including using molecule IDs -
+through the :doc:`compute chunk/atom <compute_chunk_atom>` command and then
+summing is done using :doc:`compute reduce/chunk <compute_reduce_chunk>` Please
+refer to the :doc:`chunk HOWTO <Howto_chunk>` section for an overview.
+
+Fix ave/spatial and fix ave/spatial/sphere
+------------------------------------------
+
+.. deprecated:: 11Dec2015
+
+The fixes ave/spatial and ave/spatial/sphere have been removed from LAMMPS
+since they were superseded by the more general and extensible "chunk
+infrastructure".  Here the system is partitioned in one of many possible
+ways through the :doc:`compute chunk/atom <compute_chunk_atom>` command
+and then averaging is done using :doc:`fix ave/chunk <fix_ave_chunk>`.
+Please refer to the :doc:`chunk HOWTO <Howto_chunk>` section for an overview.
 
 restart2data tool
 -----------------
 
+.. deprecated:: 23Nov2013
+
 The functionality of the restart2data tool has been folded into the
 LAMMPS executable directly instead of having a separate tool.  A
 combination of the commands :doc:`read_restart <read_restart>` and
 :doc:`write_data <write_data>` can be used to the same effect.  For
 added convenience this conversion can also be triggered by
-:doc:`command line flags <Run_options>`
+:doc:`command-line flags <Run_options>`
+

doc/src/Commands_structure.rst

@@ -8,10 +8,10 @@ page.
 
 A LAMMPS input script typically has 4 parts:
 
-1. :ref:`Initialization <init>`
-2. :ref:`System definition <system>`
-3. :ref:`Simulation settings <settings>`
-4. :ref:`Run a simulation <run>`
+#. :ref:`Initialization <init>`
+#. :ref:`System definition <system>`
+#. :ref:`Simulation settings <settings>`
+#. :ref:`Run a simulation <run>`
 
 The last 2 parts can be repeated as many times as desired.  I.e. run a
 simulation, change some settings, run some more, etc.  Each of the 4

doc/src/Developer.rst

@@ -24,4 +24,5 @@ of time and requests from the LAMMPS user community.
    Classes
    Developer_platform
    Developer_utils
+   Developer_internal
    Developer_grid

doc/src/Developer_atom.rst

@@ -2,7 +2,7 @@ Accessing per-atom data
 -----------------------
 
 This page discusses how per-atom data is managed in LAMMPS, how it can
-be accessed, what communication patters apply, and some of the utility
+be accessed, what communication patterns apply, and some of the utility
 functions that exist for a variety of purposes.
 
 
@@ -14,11 +14,11 @@ As described on the :doc:`parallel partitioning algorithms
 simulation domain, either in a *brick* or *tiled* manner.  Each MPI
 process *owns* exactly one subdomain and the atoms within it. To compute
 forces for tuples of atoms that are spread across sub-domain boundaries,
-also a "halo" of *ghost* atoms are maintained within a the communication
+also a "halo" of *ghost* atoms are maintained within the communication
 cutoff distance of its subdomain.
 
 The total number of atoms is stored in `Atom::natoms` (within any
-typical class this can be referred to at `atom->natoms`. The number of
+typical class this can be referred to at `atom->natoms`). The number of
 *owned* (or "local" atoms) are stored in `Atom::nlocal`; the number of
 *ghost* atoms is stored in `Atom::nghost`.  The sum of `Atom::nlocal`
 over all MPI processes should be `Atom::natoms`. This is by default
@@ -27,8 +27,8 @@ LAMMPS stops with a "lost atoms" error.  For convenience also the
 property `Atom::nmax` is available, this is the maximum of
 `Atom::nlocal + Atom::nghost` across all MPI processes.
 
-Per-atom properties are either managed by the atom style, or individual
-classes.  or as custom arrays by the individual classes. If only access
+Per-atom properties are either managed by the atom style, individual
+classes,  or as custom arrays by the individual classes. If only access
 to *owned* atoms is needed, they are usually allocated to be of size
 `Atom::nlocal`, otherwise of size `Atom::nmax`. Please note that not all
 per-atom properties are available or updated on *ghost* atoms. For
@@ -61,7 +61,7 @@ can be found via the `Atom::sametag` array. It points to the next atom
 index with the same tag or -1 if there are no more atoms with the same
 tag.  The list will be exhaustive when starting with an index of an
 *owned* atom, since the atom IDs are unique, so there can only be one
-such atom.  Example code to count atoms with same atom ID in subdomain:
+such atom.  Example code to count atoms with same atom ID in a subdomain:
 
 .. code-block:: c++