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fix_print.cpp
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Wed, Oct 2, 12:38

fix_print.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.
------------------------------------------------------------------------- */
#include "stdlib.h"
#include "string.h"
#include "fix_print.h"
#include "update.h"
#include "input.h"
#include "variable.h"
#include "error.h"
#define MAXLINE 1024
/* ---------------------------------------------------------------------- */
FixPrint::FixPrint(int narg, char **arg) : Fix(narg, arg)
{
if (narg != 5) error->all("Illegal fix print command");
nevery = atoi(arg[3]);
if (nevery <= 0) error->all("Illegal fix print command");
MPI_Comm_rank(world,&me);
int n = strlen(arg[4]) + 1;
line = new char[n];
strcpy(line,arg[4]);
copy = new char[MAXLINE];
work = new char[MAXLINE];
}
/* ---------------------------------------------------------------------- */
FixPrint::~FixPrint()
{
delete [] line;
delete [] copy;
delete [] work;
}
/* ---------------------------------------------------------------------- */
int FixPrint::setmask()
{
int mask = 0;
mask |= END_OF_STEP;
return mask;
}
/* ---------------------------------------------------------------------- */
void FixPrint::end_of_step()
{
// make a copy of line to work on
// substitute for $ variables (no printing)
// append a newline and print final copy
strcpy(copy,line);
input->substitute(copy,0);
strcat(copy,"\n");
if (me == 0) {
if (screen) fprintf(screen,copy);
if (logfile) fprintf(logfile,copy);
}
}

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