/usr/include/liggghts/irregular.h is in libliggghts-dev 3.3.1+repack1-1ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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This is the
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╚══════╝╚═╝ ╚═════╝ ╚═════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚══════╝®
DEM simulation engine, released by
DCS Computing Gmbh, Linz, Austria
http://www.dcs-computing.com, office@dcs-computing.com
LIGGGHTS® is part of CFDEM®project:
http://www.liggghts.com | http://www.cfdem.com
Core developer and main author:
Christoph Kloss, christoph.kloss@dcs-computing.com
LIGGGHTS® is open-source, distributed under the terms of the GNU Public
License, version 2 or later. It is distributed in the hope that it will
be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. You should have
received a copy of the GNU General Public License along with LIGGGHTS®.
If not, see http://www.gnu.org/licenses . See also top-level README
and LICENSE files.
LIGGGHTS® and CFDEM® are registered trade marks of DCS Computing GmbH,
the producer of the LIGGGHTS® software and the CFDEM®coupling software
See http://www.cfdem.com/terms-trademark-policy for details.
-------------------------------------------------------------------------
Contributing author and copyright for this file:
This file is from LAMMPS
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.
------------------------------------------------------------------------- */
#ifndef LMP_IRREGULAR_H
#define LMP_IRREGULAR_H
#include "pointers.h"
namespace LAMMPS_NS {
class Irregular : protected Pointers {
public:
Irregular(class LAMMPS *);
~Irregular();
void migrate_atoms();
int migrate_check();
int create_data(int, int *);
void exchange_data(char *, int, char *);
void destroy_data();
bigint memory_usage();
private:
int me,nprocs;
int triclinic;
int map_style;
int uniform;
double *xsplit,*ysplit,*zsplit; // ptrs to comm
int *procgrid; // ptr to comm
int ***grid2proc; // ptr to comm
double *boxlo; // ptr to domain
double *prd; // ptr to domain
int maxsend,maxrecv; // size of buffers in # of doubles
double *buf_send,*buf_recv;
// plan for irregular communication of atoms
// no params refer to atoms copied to self
struct PlanAtom {
int nsend; // # of messages to send
int nrecv; // # of messages to recv
int sendmax; // # of doubles in largest send message
int *proc_send; // procs to send to
int *length_send; // # of doubles to send to each proc
int *num_send; // # of atoms to send to each proc
int *index_send; // list of which atoms to send to each proc
int *offset_send; // where each atom starts in send buffer
int *proc_recv; // procs to recv from
int *length_recv; // # of doubles to recv from each proc
MPI_Request *request; // MPI requests for posted recvs
MPI_Status *status; // MPI statuses for WaitAll
};
// plan for irregular communication of datums
// only 2 self params refer to atoms copied to self
struct PlanData { // plan for irregular communication of data
int nsend; // # of messages to send
int nrecv; // # of messages to recv
int sendmax; // # of datums in largest send message
int *proc_send; // procs to send to
int *num_send; // # of datums to send to each proc
int *index_send; // list of which datums to send to each proc
int *proc_recv; // procs to recv from
int *num_recv; // # of datums to recv from each proc
int num_self; // # of datums to copy to self
int *index_self; // list of which datums to copy to self
MPI_Request *request; // MPI requests for posted recvs
MPI_Status *status; // MPI statuses for WaitAll
};
PlanAtom *aplan;
PlanData *dplan;
int create_atom(int, int *, int *);
void exchange_atom(double *, int *, double *);
void destroy_atom();
int coord2proc(double *, int &, int &, int &);
int binary(double, int, double *);
void grow_send(int,int); // reallocate send buffer
void grow_recv(int); // free/allocate recv buffer
};
}
#endif
/* ERROR/WARNING messages:
*/
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