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lammps/src/STUBS/mpi.h
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/* -----------------------------------------------------------------------
LAMMPS 2003 (July 31) - Molecular Dynamics Simulator
Sandia National Laboratories, www.cs.sandia.gov/~sjplimp/lammps.html
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 MPI_STUBS
#define MPI_STUBS
/* Dummy defs for MPI stubs */
#define MPI_COMM_WORLD 0
#define MPI_INT 1
#define MPI_FLOAT 2
#define MPI_DOUBLE 3
#define MPI_CHAR 4
#define MPI_BYTE 5
#define MPI_DOUBLE_INT 6
#define MPI_SUM 1
#define MPI_MAX 2
#define MPI_MIN 3
#define MPI_MAXLOC 4
#define MPI_MINLOC 5
#define MPI_ANY_SOURCE -1
#define MPI_Comm int
#define MPI_Request int
#define MPI_Datatype int
#define MPI_Op int
/* MPI data structs */
struct MPI_Status {
int MPI_SOURCE;
};
/* Function prototypes for MPI stubs */
void MPI_Init(int *argc, char ***argv);
void MPI_Comm_rank(MPI_Comm comm, int *me);
void MPI_Comm_size(MPI_Comm comm, int *nprocs);
void MPI_Abort(MPI_Comm comm, int errorcode);
void MPI_Finalize();
double MPI_Wtime();
void MPI_Send(void *buf, int count, MPI_Datatype datatype,
int dest, int tag, MPI_Comm comm);
void MPI_Rsend(void *buf, int count, MPI_Datatype datatype,
int dest, int tag, MPI_Comm comm);
void MPI_Recv(void *buf, int count, MPI_Datatype datatype,
int source, int tag, MPI_Comm comm, MPI_Status *status);
void MPI_Irecv(void *buf, int count, MPI_Datatype datatype,
int source, int tag, MPI_Comm comm, MPI_Request *request);
void MPI_Wait(MPI_Request *request, MPI_Status *status);
void MPI_Waitall(int n, MPI_Request *request, MPI_Status *status);
void MPI_Waitany(int count, MPI_Request *request, int *index,
MPI_Status *status);
void MPI_Sendrecv(void *sbuf, int scount, MPI_Datatype sdatatype,
int dest, int stag, void *rbuf, int rcount,
MPI_Datatype rdatatype, int source, int rtag,
MPI_Comm comm, MPI_Status *status);
void MPI_Get_count(MPI_Status *status, MPI_Datatype datatype, int *count);
void MPI_Comm_split(MPI_Comm comm, int color, int key, MPI_Comm *comm_out);
void MPI_Comm_dup(MPI_Comm comm, MPI_Comm *comm_out);
void MPI_Comm_free(MPI_Comm *comm);
void MPI_Cart_create(MPI_Comm comm_old, int ndims, int *dims, int *periods,
int reorder, MPI_Comm *comm_cart);
void MPI_Cart_get(MPI_Comm comm, int maxdims, int *dims, int *periods,
int *coords);
void MPI_Cart_shift(MPI_Comm comm, int direction, int displ,
int *source, int *dest);
void MPI_Cart_rank(MPI_Comm comm, int *coords, int *rank);
void MPI_Barrier(MPI_Comm comm);
void MPI_Bcast(void *buf, int count, MPI_Datatype datatype,
int root, MPI_Comm comm);
void MPI_Allreduce(void *sendbuf, void *recvbuf, int count,
MPI_Datatype datatype, MPI_Op op, MPI_Comm comm);
void MPI_Scan(void *sendbuf, void *recvbuf, int count,
MPI_Datatype datatype, MPI_Op op, MPI_Comm comm);
void MPI_Allgather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
void *recvbuf, int recvcount, MPI_Datatype recvtype,
MPI_Comm comm);
void MPI_Allgatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
void *recvbuf, int *recvcounts, int *displs,
MPI_Datatype recvtype, MPI_Comm comm);
void MPI_Reduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
MPI_Datatype datatype, MPI_Op op, MPI_Comm comm);
void MPI_Gather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
void *recvbuf, int recvcount, MPI_Datatype recvtype,
int root, MPI_Comm comm);
#endif
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