/usr/include/gromacs/domdec_network.h is in gromacs-dev 4.6.5-1build1.
This file is owned by root:root, with mode 0o644.
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* This file is part of the GROMACS molecular simulation package.
*
* This file is part of Gromacs Copyright (c) 1991-2008
* David van der Spoel, Erik Lindahl, Berk Hess, University of Groningen.
* Copyright (c) 2012,2013, by the GROMACS development team, led by
* David van der Spoel, Berk Hess, Erik Lindahl, and including many
* others, as listed in the AUTHORS file in the top-level source
* directory and at http://www.gromacs.org.
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#ifndef _domdec_network_h
#define _domdec_network_h
#include "visibility.h"
#include "typedefs.h"
#include "types/commrec.h"
#ifdef __cplusplus
extern "C" {
#endif
enum {
dddirForward, dddirBackward
};
/* Move integers in the comm. region one cell along the domain decomposition
* in the dimension indexed by ddimind
* forward (direction=dddirFoward) or backward (direction=dddirBackward).
*/
void
dd_sendrecv_int(const gmx_domdec_t *dd,
int ddimind, int direction,
int *buf_s, int n_s,
int *buf_r, int n_r);
/* Move reals in the comm. region one cell along the domain decomposition
* in the dimension indexed by ddimind
* forward (direction=dddirFoward) or backward (direction=dddirBackward).
*/
void
dd_sendrecv_real(const gmx_domdec_t *dd,
int ddimind, int direction,
real *buf_s, int n_s,
real *buf_r, int n_r);
/* Move revc's in the comm. region one cell along the domain decomposition
* in dimension indexed by ddimind
* forward (direction=dddirFoward) or backward (direction=dddirBackward).
*/
void
dd_sendrecv_rvec(const gmx_domdec_t *dd,
int ddimind, int direction,
rvec *buf_s, int n_s,
rvec *buf_r, int n_r);
/* Move revc's in the comm. region one cell along the domain decomposition
* in dimension indexed by ddimind
* simultaneously in the forward and backward directions.
*/
void
dd_sendrecv2_rvec(const gmx_domdec_t *dd,
int ddimind,
rvec *buf_s_fw, int n_s_fw,
rvec *buf_r_fw, int n_r_fw,
rvec *buf_s_bw, int n_s_bw,
rvec *buf_r_bw, int n_r_bw);
/* The functions below perform the same operations as the MPI functions
* with the same name appendices, but over the domain decomposition
* nodes only.
* The DD master node is the master for these operations.
*/
GMX_LIBMD_EXPORT
void
dd_bcast(gmx_domdec_t *dd, int nbytes, void *data);
/* Copies src to dest on the master node and then broadcasts */
void
dd_bcastc(gmx_domdec_t *dd, int nbytes, void *src, void *dest);
void
dd_scatter(gmx_domdec_t *dd, int nbytes, void *src, void *dest);
void
dd_gather(gmx_domdec_t *dd, int nbytes, void *src, void *dest);
/* If rcount==0, rbuf is allowed to be NULL */
void
dd_scatterv(gmx_domdec_t *dd,
int *scounts, int *disps, void *sbuf,
int rcount, void *rbuf);
/* If scount==0, sbuf is allowed to be NULL */
void
dd_gatherv(gmx_domdec_t *dd,
int scount, void *sbuf,
int *rcounts, int *disps, void *rbuf);
#ifdef __cplusplus
}
#endif
#endif /* _domdec_network_h */
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