ICODE-ADC/lammps
4
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

3rd variant of Fortran wrapper for DFTB+ calling LAMMPS

Browse Source
This commit is contained in:
Steve Plimpton
2017-07-03 14:24:16 -06:00
parent 6fc0a94e87
commit f670dba3d0
13 changed files with 1686 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
examples/COUPLE/fortran3/LAMMPS-wrapper2.cpp Normal file
View File

@ -0,0 +1,57 @@
/* -----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
www.cs.sandia.gov/~sjplimp/lammps.html
Steve Plimpton, sjplimp@sandia.gov, Sandia National Laboratories
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------
Contributing author: Karl D. Hammond <karlh@ugcs.caltech.edu>
University of Tennessee, Knoxville (USA), 2012
------------------------------------------------------------------------- */
/* This is set of "wrapper" functions to assist LAMMPS.F90, which itself
provides a (I hope) robust Fortran interface to library.cpp and
library.h. All functions herein COULD be added to library.cpp instead of
including this as a separate file. See the README for instructions. */
#include <mpi.h>
#include "LAMMPS-wrapper2.h"
#include <library.h>
#include <lammps.h>
#include <atom.h>
#include <input.h>
#include <modify.h>
#include <fix.h>
#include <fix_external.h>
#include <compute.h>
#include <modify.h>
#include <error.h>
#include <cstdlib>
using namespace LAMMPS_NS;
extern "C" void f_callback(void *, bigint, int, tagint *, double **, double **);
void lammps_set_callback (void *ptr) {
class LAMMPS *lmp = (class LAMMPS *) ptr;
int ifix = lmp->modify->find_fix_by_style("external");
FixExternal *fix = (FixExternal *) lmp->modify->fix[ifix];
fix->set_callback(f_callback, ptr);
return;
}
void lammps_set_user_energy (void *ptr, double energy) {
class LAMMPS *lmp = (class LAMMPS *) ptr;
int ifix = lmp->modify->find_fix_by_style("external");
FixExternal *fix = (FixExternal *) lmp->modify->fix[ifix];
fix->set_energy(energy);
return;
}