libsc  1.6.0
src/sc_allgather.h
00001 /*
00002   This file is part of the SC Library.
00003   The SC Library provides support for parallel scientific applications.
00004 
00005   Copyright (C) 2010 The University of Texas System
00006 
00007   The SC Library is free software; you can redistribute it and/or
00008   modify it under the terms of the GNU Lesser General Public
00009   License as published by the Free Software Foundation; either
00010   version 2.1 of the License, or (at your option) any later version.
00011 
00012   The SC Library is distributed in the hope that it will be useful,
00013   but WITHOUT ANY WARRANTY; without even the implied warranty of
00014   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015   Lesser General Public License for more details.
00016 
00017   You should have received a copy of the GNU Lesser General Public
00018   License along with the SC Library; if not, write to the Free Software
00019   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
00020   02110-1301, USA.
00021 */
00022 
00023 #ifndef SC_ALLGATHER_H
00024 #define SC_ALLGATHER_H
00025 
00026 #include <sc.h>
00027 
00028 #ifndef SC_AG_ALLTOALL_MAX
00029 #define SC_AG_ALLTOALL_MAX      5
00030 #endif
00031 
00032 SC_EXTERN_C_BEGIN;
00033 
00037 void                sc_allgather_alltoall (sc_MPI_Comm mpicomm, char *data,
00038                                            int datasize, int groupsize,
00039                                            int myoffset, int myrank);
00040 
00044 void                sc_allgather_recursive (sc_MPI_Comm mpicomm, char *data,
00045                                             int datasize, int groupsize,
00046                                             int myoffset, int myrank);
00047 
00050 int                 sc_allgather (void *sendbuf, int sendcount,
00051                                   sc_MPI_Datatype sendtype, void *recvbuf,
00052                                   int recvcount, sc_MPI_Datatype recvtype,
00053                                   sc_MPI_Comm mpicomm);
00054 
00055 SC_EXTERN_C_END;
00056 
00057 #endif /* !SC_ALLGATHER_H */
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