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universe.h
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Fri, May 2, 21:48

universe.h
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/* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
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.
------------------------------------------------------------------------- */
#ifndef LMP_UNIVERSE_H
#define LMP_UNIVERSE_H
#include "stdio.h"
#include "pointers.h"
namespace LAMMPS_NS {
class Universe : protected Pointers {
public:
char *version; // LAMMPS version string = date
MPI_Comm uworld; // communicator for entire universe
int me,nprocs; // my place in universe
FILE *uscreen; // universe screen output
FILE *ulogfile; // universe logfile
int existflag; // 1 if universe exists due to -partition flag
int nworlds; // # of worlds in universe
int iworld; // which world I am in
int *procs_per_world; // # of procs in each world
int *root_proc; // root proc in each world
MPI_Comm uorig; // original communicator passed to LAMMPS instance
int *uni2orig; // proc I in universe uworld is
// proc uni2orig[I] in original communicator
Universe(class LAMMPS *, MPI_Comm);
~Universe();
void reorder(char *, char *);
void add_world(char *);
int consistent();
};
}
#endif
/* ERROR/WARNING messages:
E: Invalid -reorder N value
Self-explanatory.
E: Nprocs not a multiple of N for -reorder
Self-explanatory.
E: Cannot open -reorder file
Self-explanatory.
E: Unexpected end of -reorder file
Self-explanatory.
E: Invalid entry in -reorder file
Self-explanatory.
E: Invalid command-line argument
One or more command-line arguments is invalid. Check the syntax of
the command you are using to launch LAMMPS.
*/

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