104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
/*BHEADER**********************************************************************
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* Copyright (c) 2006 The Regents of the University of California.
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* Produced at the Lawrence Livermore National Laboratory.
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* Written by the HYPRE team. UCRL-CODE-222953.
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* All rights reserved.
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*
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* This file is part of HYPRE (see http://www.llnl.gov/CASC/hypre/).
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* Please see the COPYRIGHT_and_LICENSE file for the copyright notice,
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* disclaimer, contact information and the GNU Lesser General Public License.
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*
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* HYPRE is free software; you can redistribute it and/or modify it under the
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* terms of the GNU General Public License (as published by the Free Software
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* Foundation) version 2.1 dated February 1999.
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*
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* HYPRE is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the IMPLIED WARRANTY OF MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the terms and conditions of the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* $Revision$
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***********************************************************************EHEADER*/
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/******************************************************************************
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*
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* Routine for building a DistributedMatrix from a ParCSRMatrix
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*
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*****************************************************************************/
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#ifdef HYPRE_DEBUG
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#include <gmalloc.h>
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#endif
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#include <HYPRE_config.h>
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#include "general.h"
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#include "HYPRE.h"
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#include "HYPRE_utilities.h"
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/* Prototypes for DistributedMatrix */
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#include "HYPRE_distributed_matrix_types.h"
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#include "HYPRE_distributed_matrix_protos.h"
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/* Matrix prototypes for ParCSR */
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#include "HYPRE_parcsr_mv.h"
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/*--------------------------------------------------------------------------
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* HYPRE_ConvertParCSRMatrixToDistributedMatrix
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*--------------------------------------------------------------------------*/
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int
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HYPRE_ConvertParCSRMatrixToDistributedMatrix(
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HYPRE_ParCSRMatrix parcsr_matrix,
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HYPRE_DistributedMatrix *DistributedMatrix )
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{
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int ierr;
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MPI_Comm comm;
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int M, N;
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#ifdef HYPRE_TIMING
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int timer;
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timer = hypre_InitializeTiming( "ConvertParCSRMatrisToDistributedMatrix");
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hypre_BeginTiming( timer );
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#endif
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if (!parcsr_matrix) return(-1);
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ierr = HYPRE_ParCSRMatrixGetComm( parcsr_matrix, &comm);
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ierr = HYPRE_DistributedMatrixCreate( comm, DistributedMatrix );
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ierr = HYPRE_DistributedMatrixSetLocalStorageType( *DistributedMatrix,
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HYPRE_PARCSR );
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/* if(ierr) return(ierr); */
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ierr = HYPRE_DistributedMatrixInitialize( *DistributedMatrix );
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/* if(ierr) return(ierr); */
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ierr = HYPRE_DistributedMatrixSetLocalStorage( *DistributedMatrix, parcsr_matrix );
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/* if(ierr) return(ierr);*/
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ierr = HYPRE_ParCSRMatrixGetDims( parcsr_matrix, &M, &N); /* if(ierr) return(ierr); */
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ierr = HYPRE_DistributedMatrixSetDims( *DistributedMatrix, M, N);
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ierr = HYPRE_DistributedMatrixAssemble( *DistributedMatrix );
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/* if(ierr) return(ierr); */
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#ifdef HYPRE_TIMING
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hypre_EndTiming( timer );
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/* hypre_FinalizeTiming( timer ); */
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#endif
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return(0);
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}
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