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HYPRE_IJMatrix.c
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/*BHEADER**********************************************************************
* Copyright (c) 2017, Lawrence Livermore National Security, LLC.
* Produced at the Lawrence Livermore National Laboratory.
* Written by Ulrike Yang ([email protected]) et al. CODE-LLNL-738-322.
* This file is part of AMG. See files README and COPYRIGHT for details.
*
* AMG is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License (as published by the Free
* Software Foundation) version 2.1 dated February 1999.
*
* This software is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF MERCHANTIBILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the terms and conditions of the
* GNU General Public License for more details.
*
***********************************************************************EHEADER*/
/******************************************************************************
*
* HYPRE_IJMatrix interface
*
*****************************************************************************/
#include "./_hypre_IJ_mv.h"
#include "../HYPRE.h"
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixCreate
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixCreate( MPI_Comm comm,
HYPRE_Int ilower,
HYPRE_Int iupper,
HYPRE_Int jlower,
HYPRE_Int jupper,
HYPRE_IJMatrix *matrix )
{
HYPRE_Int *row_partitioning;
HYPRE_Int *col_partitioning;
HYPRE_Int *info;
HYPRE_Int num_procs;
HYPRE_Int myid;
hypre_IJMatrix *ijmatrix;
#ifdef HYPRE_NO_GLOBAL_PARTITION
HYPRE_Int row0, col0, rowN, colN;
#else
HYPRE_Int *recv_buf;
HYPRE_Int i, i4;
HYPRE_Int square;
#endif
ijmatrix = hypre_CTAlloc(hypre_IJMatrix, 1);
hypre_IJMatrixComm(ijmatrix) = comm;
hypre_IJMatrixObject(ijmatrix) = NULL;
hypre_IJMatrixTranslator(ijmatrix) = NULL;
hypre_IJMatrixAssumedPart(ijmatrix) = NULL;
hypre_IJMatrixObjectType(ijmatrix) = HYPRE_UNITIALIZED;
hypre_IJMatrixAssembleFlag(ijmatrix) = 0;
hypre_IJMatrixPrintLevel(ijmatrix) = 0;
hypre_MPI_Comm_size(comm,&num_procs);
hypre_MPI_Comm_rank(comm, &myid);
if (ilower > iupper+1 || ilower < 0)
{
hypre_error_in_arg(2);
hypre_TFree(ijmatrix);
return hypre_error_flag;
}
if (iupper < -1)
{
hypre_error_in_arg(3);
hypre_TFree(ijmatrix);
return hypre_error_flag;
}
if (jlower > jupper+1 || jlower < 0)
{
hypre_error_in_arg(4);
hypre_TFree(ijmatrix);
return hypre_error_flag;
}
if (jupper < -1)
{
hypre_error_in_arg(5);
hypre_TFree(ijmatrix);
return hypre_error_flag;
}
#ifdef HYPRE_NO_GLOBAL_PARTITION
info = hypre_CTAlloc(HYPRE_Int,2);
row_partitioning = hypre_CTAlloc(HYPRE_Int, 2);
col_partitioning = hypre_CTAlloc(HYPRE_Int, 2);
row_partitioning[0] = ilower;
row_partitioning[1] = iupper+1;
col_partitioning[0] = jlower;
col_partitioning[1] = jupper+1;
/* now we need the global number of rows and columns as well
as the global first row and column index */
/* proc 0 has the first row and col */
if (myid==0)
{
info[0] = ilower;
info[1] = jlower;
}
hypre_MPI_Bcast(info, 2, HYPRE_MPI_INT, 0, comm);
row0 = info[0];
col0 = info[1];
/* proc (num_procs-1) has the last row and col */
if (myid == (num_procs-1))
{
info[0] = iupper;
info[1] = jupper;
}
hypre_MPI_Bcast(info, 2, HYPRE_MPI_INT, num_procs-1, comm);
rowN = info[0];
colN = info[1];
hypre_IJMatrixGlobalFirstRow(ijmatrix) = row0;
hypre_IJMatrixGlobalFirstCol(ijmatrix) = col0;
hypre_IJMatrixGlobalNumRows(ijmatrix) = rowN - row0 + 1;
hypre_IJMatrixGlobalNumCols(ijmatrix) = colN - col0 + 1;
hypre_TFree(info);
#else
info = hypre_CTAlloc(HYPRE_Int,4);
recv_buf = hypre_CTAlloc(HYPRE_Int,4*num_procs);
row_partitioning = hypre_CTAlloc(HYPRE_Int, num_procs+1);
info[0] = ilower;
info[1] = iupper;
info[2] = jlower;
info[3] = jupper;
/* Generate row- and column-partitioning through information exchange
across all processors, check whether the matrix is square, and
if the partitionings match. i.e. no overlaps or gaps,
if there are overlaps or gaps in the row partitioning or column
partitioning , ierr will be set to -9 or -10, respectively */
hypre_MPI_Allgather(info,4,HYPRE_MPI_INT,recv_buf,4,HYPRE_MPI_INT,comm);
row_partitioning[0] = recv_buf[0];
square = 1;
for (i=0; i < num_procs-1; i++)
{
i4 = 4*i;
if ( recv_buf[i4+1] != (recv_buf[i4+4]-1) )
{
hypre_error(HYPRE_ERROR_GENERIC);
hypre_TFree(ijmatrix);
hypre_TFree(info);
hypre_TFree(recv_buf);
hypre_TFree(row_partitioning);
return hypre_error_flag;
}
else
row_partitioning[i+1] = recv_buf[i4+4];
if ((square && (recv_buf[i4] != recv_buf[i4+2])) ||
(recv_buf[i4+1] != recv_buf[i4+3]) )
{
square = 0;
}
}
i4 = (num_procs-1)*4;
row_partitioning[num_procs] = recv_buf[i4+1]+1;
if ((recv_buf[i4] != recv_buf[i4+2]) || (recv_buf[i4+1] != recv_buf[i4+3]))
square = 0;
if (square)
col_partitioning = row_partitioning;
else
{
col_partitioning = hypre_CTAlloc(HYPRE_Int,num_procs+1);
col_partitioning[0] = recv_buf[2];
for (i=0; i < num_procs-1; i++)
{
i4 = 4*i;
if (recv_buf[i4+3] != recv_buf[i4+6]-1)
{
hypre_error(HYPRE_ERROR_GENERIC);
hypre_TFree(ijmatrix);
hypre_TFree(info);
hypre_TFree(recv_buf);
hypre_TFree(row_partitioning);
hypre_TFree(col_partitioning);
return hypre_error_flag;
}
else
col_partitioning[i+1] = recv_buf[i4+6];
}
col_partitioning[num_procs] = recv_buf[num_procs*4-1]+1;
}
hypre_IJMatrixGlobalFirstRow(ijmatrix) = row_partitioning[0];
hypre_IJMatrixGlobalFirstCol(ijmatrix) = col_partitioning[0];
hypre_IJMatrixGlobalNumRows(ijmatrix) = row_partitioning[num_procs] -
row_partitioning[0];
hypre_IJMatrixGlobalNumCols(ijmatrix) = col_partitioning[num_procs] -
col_partitioning[0];
hypre_TFree(info);
hypre_TFree(recv_buf);
#endif
hypre_IJMatrixRowPartitioning(ijmatrix) = row_partitioning;
hypre_IJMatrixColPartitioning(ijmatrix) = col_partitioning;
*matrix = (HYPRE_IJMatrix) ijmatrix;
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixDestroy
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixDestroy( HYPRE_IJMatrix matrix )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
if (ijmatrix)
{
if (hypre_IJMatrixRowPartitioning(ijmatrix) ==
hypre_IJMatrixColPartitioning(ijmatrix))
hypre_TFree(hypre_IJMatrixRowPartitioning(ijmatrix));
else
{
hypre_TFree(hypre_IJMatrixRowPartitioning(ijmatrix));
hypre_TFree(hypre_IJMatrixColPartitioning(ijmatrix));
}
if hypre_IJMatrixAssumedPart(ijmatrix)
hypre_AssumedPartitionDestroy((hypre_IJAssumedPart*)hypre_IJMatrixAssumedPart(ijmatrix));
if ( hypre_IJMatrixObjectType(ijmatrix) == HYPRE_PARCSR )
hypre_IJMatrixDestroyParCSR( ijmatrix );
else if ( hypre_IJMatrixObjectType(ijmatrix) != -1 )
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
}
hypre_TFree(ijmatrix);
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixInitialize
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixInitialize( HYPRE_IJMatrix matrix )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
if ( hypre_IJMatrixObjectType(ijmatrix) == HYPRE_PARCSR )
hypre_IJMatrixInitializeParCSR( ijmatrix ) ;
else
{
hypre_error_in_arg(1);
}
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixSetPrintLevel
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixSetPrintLevel( HYPRE_IJMatrix matrix,
HYPRE_Int print_level )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
hypre_IJMatrixPrintLevel(ijmatrix) = 1;
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixSetValues
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixSetValues( HYPRE_IJMatrix matrix,
HYPRE_Int nrows,
HYPRE_Int *ncols,
const HYPRE_Int *rows,
const HYPRE_Int *cols,
const HYPRE_Complex *values )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (nrows == 0)
return hypre_error_flag;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
if (nrows < 0)
{
hypre_error_in_arg(2);
return hypre_error_flag;
}
if (!ncols)
{
hypre_error_in_arg(3);
return hypre_error_flag;
}
if (!rows)
{
hypre_error_in_arg(4);
return hypre_error_flag;
}
if (!cols)
{
hypre_error_in_arg(5);
return hypre_error_flag;
}
if (!values)
{
hypre_error_in_arg(6);
return hypre_error_flag;
}
if ( hypre_IJMatrixObjectType(ijmatrix) == HYPRE_PARCSR )
{
if (hypre_IJMatrixOMPFlag(ijmatrix))
return( hypre_IJMatrixSetValuesOMPParCSR( ijmatrix, nrows, ncols,
rows, cols, values ) );
else
return( hypre_IJMatrixSetValuesParCSR( ijmatrix, nrows, ncols,
rows, cols, values ) );
}
else
{
hypre_error_in_arg(1);
}
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixAddToValues
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixAddToValues( HYPRE_IJMatrix matrix,
HYPRE_Int nrows,
HYPRE_Int *ncols,
const HYPRE_Int *rows,
const HYPRE_Int *cols,
const HYPRE_Complex *values )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (nrows == 0)
return hypre_error_flag;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
if (nrows < 0)
{
hypre_error_in_arg(2);
return hypre_error_flag;
}
if (!ncols)
{
hypre_error_in_arg(3);
return hypre_error_flag;
}
if (!rows)
{
hypre_error_in_arg(4);
return hypre_error_flag;
}
if (!cols)
{
hypre_error_in_arg(5);
return hypre_error_flag;
}
if (!values)
{
hypre_error_in_arg(6);
return hypre_error_flag;
}
if ( hypre_IJMatrixObjectType(ijmatrix) == HYPRE_PARCSR )
{
if (hypre_IJMatrixOMPFlag(ijmatrix))
return( hypre_IJMatrixAddToValuesOMPParCSR( ijmatrix, nrows, ncols,
rows, cols, values ) );
else
return( hypre_IJMatrixAddToValuesParCSR( ijmatrix, nrows, ncols,
rows, cols, values ) );
}
else
{
hypre_error_in_arg(1);
}
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixAssemble
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixAssemble( HYPRE_IJMatrix matrix )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
if ( hypre_IJMatrixObjectType(ijmatrix) == HYPRE_PARCSR )
{
return( hypre_IJMatrixAssembleParCSR( ijmatrix ) );
}
else
{
hypre_error_in_arg(1);
}
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixGetRowCounts
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixGetRowCounts( HYPRE_IJMatrix matrix,
HYPRE_Int nrows,
HYPRE_Int *rows,
HYPRE_Int *ncols )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (nrows == 0) return hypre_error_flag;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
if (nrows < 0)
{
hypre_error_in_arg(2);
return hypre_error_flag;
}
if (!rows)
{
hypre_error_in_arg(3);
return hypre_error_flag;
}
if (!ncols)
{
hypre_error_in_arg(4);
return hypre_error_flag;
}
if ( hypre_IJMatrixObjectType(ijmatrix) == HYPRE_PARCSR )
{
hypre_IJMatrixGetRowCountsParCSR( ijmatrix, nrows, rows, ncols );
}
else
{
hypre_error_in_arg(1);
}
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixGetValues
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixGetValues( HYPRE_IJMatrix matrix,
HYPRE_Int nrows,
HYPRE_Int *ncols,
HYPRE_Int *rows,
HYPRE_Int *cols,
HYPRE_Complex *values )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (nrows == 0) return hypre_error_flag;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
if (nrows < 0)
{
hypre_error_in_arg(2);
return hypre_error_flag;
}
if (!ncols)
{
hypre_error_in_arg(3);
return hypre_error_flag;
}
if (!rows)
{
hypre_error_in_arg(4);
return hypre_error_flag;
}
if (!cols)
{
hypre_error_in_arg(5);
return hypre_error_flag;
}
if (!values)
{
hypre_error_in_arg(6);
return hypre_error_flag;
}
if ( hypre_IJMatrixObjectType(ijmatrix) == HYPRE_PARCSR )
{
hypre_IJMatrixGetValuesParCSR( ijmatrix, nrows, ncols,
rows, cols, values );
}
else
{
hypre_error_in_arg(1);
}
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixSetObjectType
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixSetObjectType( HYPRE_IJMatrix matrix,
HYPRE_Int type )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
hypre_IJMatrixObjectType(ijmatrix) = type;
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixGetObjectType
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixGetObjectType( HYPRE_IJMatrix matrix,
HYPRE_Int *type )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
*type = hypre_IJMatrixObjectType(ijmatrix);
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixGetLocalRange
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixGetLocalRange( HYPRE_IJMatrix matrix,
HYPRE_Int *ilower,
HYPRE_Int *iupper,
HYPRE_Int *jlower,
HYPRE_Int *jupper )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
MPI_Comm comm;
HYPRE_Int *row_partitioning;
HYPRE_Int *col_partitioning;
HYPRE_Int my_id;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
comm = hypre_IJMatrixComm(ijmatrix);
row_partitioning = hypre_IJMatrixRowPartitioning(ijmatrix);
col_partitioning = hypre_IJMatrixColPartitioning(ijmatrix);
hypre_MPI_Comm_rank(comm, &my_id);
#ifdef HYPRE_NO_GLOBAL_PARTITION
*ilower = row_partitioning[0];
*iupper = row_partitioning[1]-1;
*jlower = col_partitioning[0];
*jupper = col_partitioning[1]-1;
#else
*ilower = row_partitioning[my_id];
*iupper = row_partitioning[my_id+1]-1;
*jlower = col_partitioning[my_id];
*jupper = col_partitioning[my_id+1]-1;
#endif
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixGetObject
*--------------------------------------------------------------------------*/
/**
Returns a pointer to an underlying ijmatrix type used to implement IJMatrix.
Assumes that the implementation has an underlying matrix, so it would not
work with a direct implementation of IJMatrix.
@return integer error code
@param IJMatrix [IN]
The ijmatrix to be pointed to.
*/
HYPRE_Int
HYPRE_IJMatrixGetObject( HYPRE_IJMatrix matrix,
void **object )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
*object = hypre_IJMatrixObject( ijmatrix );
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixSetRowSizes
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixSetRowSizes( HYPRE_IJMatrix matrix,
const HYPRE_Int *sizes )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
if ( hypre_IJMatrixObjectType(ijmatrix) == HYPRE_PARCSR )
{
return( hypre_IJMatrixSetRowSizesParCSR( ijmatrix , sizes ) );
}
else
{
hypre_error_in_arg(1);
}
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixSetDiagOffdSizes
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixSetDiagOffdSizes( HYPRE_IJMatrix matrix,
const HYPRE_Int *diag_sizes,
const HYPRE_Int *offdiag_sizes )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
if ( hypre_IJMatrixObjectType(ijmatrix) == HYPRE_PARCSR )
{
hypre_IJMatrixSetDiagOffdSizesParCSR( ijmatrix, diag_sizes, offdiag_sizes );
}
else
{
hypre_error_in_arg(1);
}
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixSetMaxOffProcElmts
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixSetMaxOffProcElmts( HYPRE_IJMatrix matrix,
HYPRE_Int max_off_proc_elmts)
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
if ( hypre_IJMatrixObjectType(ijmatrix) == HYPRE_PARCSR )
{
return( hypre_IJMatrixSetMaxOffProcElmtsParCSR(ijmatrix,
max_off_proc_elmts) );
}
else
{
hypre_error_in_arg(1);
}
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixRead
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixRead( const char *filename,
MPI_Comm comm,
HYPRE_Int type,
HYPRE_IJMatrix *matrix_ptr )
{
HYPRE_IJMatrix matrix;
HYPRE_Int ilower, iupper, jlower, jupper;
HYPRE_Int ncols, I, J;
HYPRE_Complex value;
HYPRE_Int myid, ret;
char new_filename[255];
FILE *file;
hypre_MPI_Comm_rank(comm, &myid);
hypre_sprintf(new_filename,"%s.%05d", filename, myid);
if ((file = fopen(new_filename, "r")) == NULL)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
hypre_fscanf(file, "%d %d %d %d", &ilower, &iupper, &jlower, &jupper);
HYPRE_IJMatrixCreate(comm, ilower, iupper, jlower, jupper, &matrix);
HYPRE_IJMatrixSetObjectType(matrix, type);
HYPRE_IJMatrixInitialize(matrix);
/* It is important to ensure that whitespace follows the index value to help
* catch mistakes in the input file. See comments in IJVectorRead(). */
ncols = 1;
while ( (ret = hypre_fscanf(file, "%d %d%*[ \t]%le", &I, &J, &value)) != EOF )
{
if (ret != 3)
{
hypre_error_w_msg(HYPRE_ERROR_GENERIC, "Error in IJ matrix input file.");
return hypre_error_flag;
}
if (I < ilower || I > iupper)
HYPRE_IJMatrixAddToValues(matrix, 1, &ncols, &I, &J, &value);
else
HYPRE_IJMatrixSetValues(matrix, 1, &ncols, &I, &J, &value);
}
HYPRE_IJMatrixAssemble(matrix);
fclose(file);
*matrix_ptr = matrix;
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixPrint
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixPrint( HYPRE_IJMatrix matrix,
const char *filename )
{
MPI_Comm comm;
HYPRE_Int *row_partitioning;
HYPRE_Int *col_partitioning;
HYPRE_Int ilower, iupper, jlower, jupper;
HYPRE_Int i, j, ii;
HYPRE_Int ncols, *cols;
HYPRE_Complex *values;
HYPRE_Int myid;
char new_filename[255];
FILE *file;
void *object;
if (!matrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
if ( (hypre_IJMatrixObjectType(matrix) != HYPRE_PARCSR) )
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
comm = hypre_IJMatrixComm(matrix);
hypre_MPI_Comm_rank(comm, &myid);
hypre_sprintf(new_filename,"%s.%05d", filename, myid);
if ((file = fopen(new_filename, "w")) == NULL)
{
hypre_error_in_arg(2);
return hypre_error_flag;
}
row_partitioning = hypre_IJMatrixRowPartitioning(matrix);
col_partitioning = hypre_IJMatrixColPartitioning(matrix);
#ifdef HYPRE_NO_GLOBAL_PARTITION
ilower = row_partitioning[0];
iupper = row_partitioning[1] - 1;
jlower = col_partitioning[0];
jupper = col_partitioning[1] - 1;
#else
ilower = row_partitioning[myid];
iupper = row_partitioning[myid+1] - 1;
jlower = col_partitioning[myid];
jupper = col_partitioning[myid+1] - 1;
#endif
hypre_fprintf(file, "%d %d %d %d\n", ilower, iupper, jlower, jupper);
HYPRE_IJMatrixGetObject(matrix, &object);
for (i = ilower; i <= iupper; i++)
{
if ( hypre_IJMatrixObjectType(matrix) == HYPRE_PARCSR )
{
#ifdef HYPRE_NO_GLOBAL_PARTITION
ii = i - hypre_IJMatrixGlobalFirstRow(matrix);
#else
ii = i - row_partitioning[0];
#endif
HYPRE_ParCSRMatrixGetRow((HYPRE_ParCSRMatrix) object,
ii, &ncols, &cols, &values);
for (j = 0; j < ncols; j++)
{
#ifdef HYPRE_NO_GLOBAL_PARTITION
cols[j] += hypre_IJMatrixGlobalFirstCol(matrix);
#else
cols[j] += col_partitioning[0];
#endif
}
}
for (j = 0; j < ncols; j++)
{
hypre_fprintf(file, "%d %d %.14e\n", i, cols[j], values[j]);
}
if ( hypre_IJMatrixObjectType(matrix) == HYPRE_PARCSR )
{
for (j = 0; j < ncols; j++)
{
#ifdef HYPRE_NO_GLOBAL_PARTITION
cols[j] -= hypre_IJMatrixGlobalFirstCol(matrix);
#else
cols[j] -= col_partitioning[0];
#endif
}
HYPRE_ParCSRMatrixRestoreRow((HYPRE_ParCSRMatrix) object,
ii, &ncols, &cols, &values);
}
}
fclose(file);
return hypre_error_flag;
}
/*--------------------------------------------------------------------------
* HYPRE_IJMatrixSetOMPFlag
*--------------------------------------------------------------------------*/
HYPRE_Int
HYPRE_IJMatrixSetOMPFlag( HYPRE_IJMatrix matrix,
HYPRE_Int omp_flag )
{
hypre_IJMatrix *ijmatrix = (hypre_IJMatrix *) matrix;
if (!ijmatrix)
{
hypre_error_in_arg(1);
return hypre_error_flag;
}
hypre_IJMatrixOMPFlag(ijmatrix) = omp_flag;
return hypre_error_flag;
}