| 1 | /*BHEADER**********************************************************************
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| 2 | * Copyright (c) 2008, Lawrence Livermore National Security, LLC.
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| 3 | * Produced at the Lawrence Livermore National Laboratory.
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| 4 | * This file is part of HYPRE. See file COPYRIGHT for details.
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| 5 | *
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| 6 | * HYPRE is free software; you can redistribute it and/or modify it under the
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| 7 | * terms of the GNU Lesser General Public License (as published by the Free
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| 8 | * Software Foundation) version 2.1 dated February 1999.
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| 9 | *
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| 10 | * $Revision: 2.4 $
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| 11 | ***********************************************************************EHEADER*/
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| 12 |
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| 13 |
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| 14 |
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| 15 | /******************************************************************************
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| 16 | *
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| 17 | * HYPRE_CSRMatrix interface
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| 18 | *
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| 19 | *****************************************************************************/
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| 20 |
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| 21 | #include "headers.h"
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| 22 |
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| 23 | /*--------------------------------------------------------------------------
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| 24 | * HYPRE_CSRMatrixCreate
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| 25 | *--------------------------------------------------------------------------*/
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| 26 |
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| 27 | HYPRE_CSRMatrix
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| 28 | HYPRE_CSRMatrixCreate( int num_rows,
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| 29 | int num_cols,
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| 30 | int *row_sizes )
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| 31 | {
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| 32 | hypre_CSRMatrix *matrix;
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| 33 | int *matrix_i;
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| 34 | int i;
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| 35 |
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| 36 | matrix_i = hypre_CTAlloc(int, num_rows + 1);
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| 37 | matrix_i[0] = 0;
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| 38 | for (i = 0; i < num_rows; i++)
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| 39 | {
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| 40 | matrix_i[i+1] = matrix_i[i] + row_sizes[i];
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| 41 | }
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| 42 |
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| 43 | matrix = hypre_CSRMatrixCreate(num_rows, num_cols, matrix_i[num_rows]);
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| 44 | hypre_CSRMatrixI(matrix) = matrix_i;
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| 45 |
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| 46 | return ( (HYPRE_CSRMatrix) matrix );
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| 47 | }
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| 48 |
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| 49 | /*--------------------------------------------------------------------------
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| 50 | * HYPRE_CSRMatrixDestroy
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| 51 | *--------------------------------------------------------------------------*/
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| 52 |
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| 53 | int
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| 54 | HYPRE_CSRMatrixDestroy( HYPRE_CSRMatrix matrix )
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| 55 | {
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| 56 | return( hypre_CSRMatrixDestroy( (hypre_CSRMatrix *) matrix ) );
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| 57 | }
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| 58 |
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| 59 | /*--------------------------------------------------------------------------
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| 60 | * HYPRE_CSRMatrixInitialize
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| 61 | *--------------------------------------------------------------------------*/
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| 62 |
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| 63 | int
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| 64 | HYPRE_CSRMatrixInitialize( HYPRE_CSRMatrix matrix )
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| 65 | {
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| 66 | return ( hypre_CSRMatrixInitialize( (hypre_CSRMatrix *) matrix ) );
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| 67 | }
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| 68 |
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| 69 | /*--------------------------------------------------------------------------
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| 70 | * HYPRE_CSRMatrixRead
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| 71 | *--------------------------------------------------------------------------*/
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| 72 |
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| 73 | HYPRE_CSRMatrix
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| 74 | HYPRE_CSRMatrixRead( char *file_name )
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| 75 | {
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| 76 | return ( (HYPRE_CSRMatrix) hypre_CSRMatrixRead( file_name ) );
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| 77 | }
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| 78 |
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| 79 | /*--------------------------------------------------------------------------
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| 80 | * HYPRE_CSRMatrixPrint
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| 81 | *--------------------------------------------------------------------------*/
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| 82 |
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| 83 | void
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| 84 | HYPRE_CSRMatrixPrint( HYPRE_CSRMatrix matrix,
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| 85 | char *file_name )
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| 86 | {
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| 87 | hypre_CSRMatrixPrint( (hypre_CSRMatrix *) matrix,
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| 88 | file_name );
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| 89 | }
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| 90 |
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| 91 | /*--------------------------------------------------------------------------
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| 92 | * HYPRE_CSRMatrixGetNumRows
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| 93 | *--------------------------------------------------------------------------*/
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| 94 |
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| 95 | int
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| 96 | HYPRE_CSRMatrixGetNumRows( HYPRE_CSRMatrix matrix, int *num_rows )
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| 97 | {
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| 98 | hypre_CSRMatrix *csr_matrix = (hypre_CSRMatrix *) matrix;
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| 99 |
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| 100 | *num_rows = hypre_CSRMatrixNumRows( csr_matrix );
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| 101 |
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| 102 | return 0;
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| 103 | }
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| 104 |
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| 105 |
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