fix some broken links
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@ -21,18 +21,21 @@ In that case, the functions will stop with an error message, indicating
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the name of the problematic file, if possible unless the *error* argument
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is a NULL pointer.
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The :cpp:func:`fgets_trunc` function will work similar for ``fgets()``
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but it will read in a whole line (i.e. until the end of line or end
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of file), but store only as many characters as will fit into the buffer
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including a final newline character and the terminating NULL byte.
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If the line in the file is longer it will thus be truncated in the buffer.
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This function is used by :cpp:func:`read_lines_from_file` to read individual
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lines but make certain they follow the size constraints.
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The :cpp:func:`utils::fgets_trunc() <LAMMPS_NS::utils::fgets_trunc>`
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function will work similar for ``fgets()`` but it will read in a whole
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line (i.e. until the end of line or end of file), but store only as many
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characters as will fit into the buffer including a final newline
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character and the terminating NULL byte. If the line in the file is
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longer it will thus be truncated in the buffer. This function is used
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by :cpp:func:`utils::read_lines_from_file()
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<LAMMPS_NS::utils::read_lines_from_file>` to read individual lines but
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make certain they follow the size constraints.
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The :cpp:func:`read_lines_from_file` function will read the requested
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number of lines of a maximum length into a buffer and will return 0
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if successful or 1 if not. It also guarantees that all lines are
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terminated with a newline character and the entire buffer with a
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The :cpp:func:`utils::read_lines_from_file()
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<LAMMPS_NS::utils::read_lines_from_file>` function will read the
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requested number of lines of a maximum length into a buffer and will
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return 0 if successful or 1 if not. It also guarantees that all lines
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are terminated with a newline character and the entire buffer with a
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NULL character.
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----------
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@ -62,7 +65,7 @@ silently returning the result of a partial conversion or zero in cases
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where the string is not a valid number. This behavior improves
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detecting typos or issues when processing input files.
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Similarly the :cpp:func:`logical() <LAMMPS_NS::utils::logical>` function
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Similarly the :cpp:func:`utils::logical() <LAMMPS_NS::utils::logical>` function
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will convert a string into a boolean and will only accept certain words.
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The *do_abort* flag should be set to ``true`` in case this function
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@ -70,8 +73,8 @@ is called only on a single MPI rank, as that will then trigger the
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a call to ``Error::one()`` for errors instead of ``Error::all()``
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and avoids a "hanging" calculation when run in parallel.
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Please also see :cpp:func:`is_integer() <LAMMPS_NS::utils::is_integer>`
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and :cpp:func:`is_double() <LAMMPS_NS::utils::is_double>` for testing
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Please also see :cpp:func:`utils::is_integer() <LAMMPS_NS::utils::is_integer>`
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and :cpp:func:`utils::is_double() <LAMMPS_NS::utils::is_double>` for testing
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strings for compliance without conversion.
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----------
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@ -393,21 +396,26 @@ A typical code segment would look like this:
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----------
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.. file-reader-classes:
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File reader classes
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-------------------
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The purpose of the file reader classes is to simplify the recurring task
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of reading and parsing files. They can use the
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:cpp:class:`LAMMPS_NS::ValueTokenizer` class to process the read in
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text. The :cpp:class:`LAMMPS_NS::TextFileReader` is a more general
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version while :cpp:class:`LAMMPS_NS::PotentialFileReader` is specialized
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to implement the behavior expected for looking up and reading/parsing
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files with potential parameters in LAMMPS. The potential file reader
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class requires a LAMMPS instance, requires to be run on MPI rank 0 only,
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will use the :cpp:func:`LAMMPS_NS::utils::get_potential_file_path`
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function to look up and open the file, and will call the
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:cpp:class:`LAMMPS_NS::Error` class in case of failures to read or to
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convert numbers, so that LAMMPS will be aborted.
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:cpp:class:`ValueTokenizer <LAMMPS_NS::ValueTokenizer>` class to process
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the read in text. The :cpp:class:`TextFileReader
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<LAMMPS_NS::TextFileReader>` is a more general version while
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:cpp:class:`PotentialFileReader <LAMMPS_NS::PotentialFileReader>` is
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specialized to implement the behavior expected for looking up and
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reading/parsing files with potential parameters in LAMMPS. The
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potential file reader class requires a LAMMPS instance, requires to be
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run on MPI rank 0 only, will use the
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:cpp:func:`utils::get_potential_file_path
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<LAMMPS_NS::utils::get_potential_file_path>` function to look up and
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open the file, and will call the :cpp:class:`LAMMPS_NS::Error` class in
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case of failures to read or to convert numbers, so that LAMMPS will be
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aborted.
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.. code-block:: C++
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:caption: Use of PotentialFileReader class in pair style coul/streitz
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@ -482,10 +490,10 @@ provided, as that is used to determine whether a new page of memory
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must be used.
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The :cpp:class:`MyPage <LAMMPS_NS::MyPage>` class offers two ways to
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reserve a chunk: 1) with :cpp:func:`get() <LAMMPS_NS::MyPage::get>` the
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chunk size needs to be known in advance, 2) with :cpp:func:`vget()
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reserve a chunk: 1) with :cpp:func:`MyPage::get() <LAMMPS_NS::MyPage::get>` the
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chunk size needs to be known in advance, 2) with :cpp:func:`MyPage::vget()
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<LAMMPS_NS::MyPage::vget>` a pointer to the next chunk is returned, but
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its size is registered later with :cpp:func:`vgot()
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its size is registered later with :cpp:func:`MyPage::vgot()
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<LAMMPS_NS::MyPage::vgot>`.
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.. code-block:: C++
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@ -588,4 +596,3 @@ the communication buffers.
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.. doxygenunion:: LAMMPS_NS::ubuf
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:project: progguide
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