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LAMMPS-wrapper.cpp
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Tue, Feb 18, 23:38
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rLAMMPS lammps
LAMMPS-wrapper.cpp
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/* -----------------------------------------------------------------------
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-wrapper.h"
#include <library.h>
#include <lammps.h>
#include <atom.h>
#include <fix.h>
#include <compute.h>
#include <modify.h>
#include <error.h>
#include <cstdlib>
using namespace LAMMPS_NS;
void lammps_open_fortran_wrapper (int argc, char **argv,
MPI_Fint communicator, void **ptr)
{
MPI_Comm C_communicator = MPI_Comm_f2c (communicator);
lammps_open (argc, argv, C_communicator, ptr);
}
int lammps_get_ntypes (void *ptr)
{
class LAMMPS *lmp = (class LAMMPS *) ptr;
int ntypes = lmp->atom->ntypes;
return ntypes;
}
void lammps_error_all (void *ptr, const char *file, int line, const char *str)
{
class LAMMPS *lmp = (class LAMMPS *) ptr;
lmp->error->all (file, line, str);
}
int lammps_extract_compute_vectorsize (void *ptr, char *id, int style)
{
class LAMMPS *lmp = (class LAMMPS *) ptr;
int icompute = lmp->modify->find_compute(id);
if ( icompute < 0 ) return 0;
class Compute *compute = lmp->modify->compute[icompute];
if ( style == 0 )
{
if ( !compute->vector_flag )
return 0;
else
return compute->size_vector;
}
else if ( style == 1 )
{
return lammps_get_natoms (ptr);
}
else if ( style == 2 )
{
if ( !compute->local_flag )
return 0;
else
return compute->size_local_rows;
}
else
return 0;
}
void lammps_extract_compute_arraysize (void *ptr, char *id, int style,
int *nrows, int *ncols)
{
class LAMMPS *lmp = (class LAMMPS *) ptr;
int icompute = lmp->modify->find_compute(id);
if ( icompute < 0 )
{
*nrows = 0;
*ncols = 0;
}
class Compute *compute = lmp->modify->compute[icompute];
if ( style == 0 )
{
if ( !compute->array_flag )
{
*nrows = 0;
*ncols = 0;
}
else
{
*nrows = compute->size_array_rows;
*ncols = compute->size_array_cols;
}
}
else if ( style == 1 )
{
if ( !compute->peratom_flag )
{
*nrows = 0;
*ncols = 0;
}
else
{
*nrows = lammps_get_natoms (ptr);
*ncols = compute->size_peratom_cols;
}
}
else if ( style == 2 )
{
if ( !compute->local_flag )
{
*nrows = 0;
*ncols = 0;
}
else
{
*nrows = compute->size_local_rows;
*ncols = compute->size_local_cols;
}
}
else
{
*nrows = 0;
*ncols = 0;
}
return;
}
int lammps_extract_fix_vectorsize (void *ptr, char *id, int style)
{
class LAMMPS *lmp = (class LAMMPS *) ptr;
int ifix = lmp->modify->find_fix(id);
if ( ifix < 0 ) return 0;
class Fix *fix = lmp->modify->fix[ifix];
if ( style == 0 )
{
if ( !fix->vector_flag )
return 0;
else
return fix->size_vector;
}
else if ( style == 1 )
{
return lammps_get_natoms (ptr);
}
else if ( style == 2 )
{
if ( !fix->local_flag )
return 0;
else
return fix->size_local_rows;
}
else
return 0;
}
void lammps_extract_fix_arraysize (void *ptr, char *id, int style,
int *nrows, int *ncols)
{
class LAMMPS *lmp = (class LAMMPS *) ptr;
int ifix = lmp->modify->find_fix(id);
if ( ifix < 0 )
{
*nrows = 0;
*ncols = 0;
}
class Fix *fix = lmp->modify->fix[ifix];
if ( style == 0 )
{
if ( !fix->array_flag )
{
*nrows = 0;
*ncols = 0;
}
else
{
*nrows = fix->size_array_rows;
*ncols = fix->size_array_cols;
}
}
else if ( style == 1 )
{
if ( !fix->peratom_flag )
{
*nrows = 0;
*ncols = 0;
}
else
{
*nrows = lammps_get_natoms (ptr);
*ncols = fix->size_peratom_cols;
}
}
else if ( style == 2 )
{
if ( !fix->local_flag )
{
*nrows = 0;
*ncols = 0;
}
else
{
*nrows = fix->size_local_rows;
*ncols = fix->size_local_cols;
}
}
else
{
*nrows = 0;
*ncols = 0;
}
return;
}
/* vim: set ts=3 sts=3 expandtab: */
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