| 1 |
|
| 2 |
/* $Id: SparseMatrix_nullifyRowsAndCols.c 1306 2007-09-18 05:51:09Z ksteube $ */ |
| 3 |
|
| 4 |
/******************************************************* |
| 5 |
* |
| 6 |
* Copyright 2003-2007 by ACceSS MNRF |
| 7 |
* Copyright 2007 by University of Queensland |
| 8 |
* |
| 9 |
* http://esscc.uq.edu.au |
| 10 |
* Primary Business: Queensland, Australia |
| 11 |
* Licensed under the Open Software License version 3.0 |
| 12 |
* http://www.opensource.org/licenses/osl-3.0.php |
| 13 |
* |
| 14 |
*******************************************************/ |
| 15 |
|
| 16 |
/**************************************************************/ |
| 17 |
|
| 18 |
/* Paso: SparseMatrix */ |
| 19 |
|
| 20 |
/* nullify rows and columns in the matrix */ |
| 21 |
|
| 22 |
/* the rows and columns are marked by positive values in */ |
| 23 |
/* mask_row and mask_col. Values on the main diagonal */ |
| 24 |
/* which are marked to set to zero by both mask_row and */ |
| 25 |
/* mask_col are set to main_diagonal_value */ |
| 26 |
|
| 27 |
|
| 28 |
/**************************************************************/ |
| 29 |
|
| 30 |
/* Copyrights by ACcESS Australia 2003, 2007 */ |
| 31 |
/* Author: gross@access.edu.au */ |
| 32 |
|
| 33 |
/**************************************************************/ |
| 34 |
|
| 35 |
#include "Paso.h" |
| 36 |
#include "SparseMatrix.h" |
| 37 |
|
| 38 |
void Paso_SparseMatrix_nullifyRowsAndCols_CSC_BLK1(Paso_SparseMatrix* A, double* mask_row, double* mask_col, double main_diagonal_value) { |
| 39 |
index_t index_offset=(A->type & MATRIX_FORMAT_OFFSET1 ? 1:0); |
| 40 |
index_t irow, iptr, icol; |
| 41 |
#pragma omp parallel for private(irow, iptr,icol) schedule(static) |
| 42 |
for (icol=0;icol< A->pattern->numOutput;icol++) { |
| 43 |
#pragma ivdep |
| 44 |
for (iptr=A->pattern->ptr[icol]-index_offset;iptr<A->pattern->ptr[icol+1]-index_offset; iptr++) { |
| 45 |
irow=A->pattern->index[iptr]-index_offset; |
| 46 |
if (mask_col[icol]>0. || mask_row[irow]>0. ) { |
| 47 |
if (irow==icol) { |
| 48 |
A->val[iptr]=main_diagonal_value; |
| 49 |
} else { |
| 50 |
A->val[iptr]=0; |
| 51 |
} |
| 52 |
} |
| 53 |
} |
| 54 |
} |
| 55 |
} |
| 56 |
void Paso_SparseMatrix_nullifyRowsAndCols_CSR_BLK1(Paso_SparseMatrix* A, double* mask_row, double* mask_col, double main_diagonal_value) { |
| 57 |
index_t index_offset=(A->type & MATRIX_FORMAT_OFFSET1 ? 1:0); |
| 58 |
index_t irow, iptr, icol; |
| 59 |
#pragma omp parallel for private(irow, iptr,icol) schedule(static) |
| 60 |
for (irow=0;irow< A->pattern->numOutput;irow++) { |
| 61 |
/* TODO: test mask_row here amd not inside every loop */ |
| 62 |
#pragma ivdep |
| 63 |
for (iptr=A->pattern->ptr[irow]-index_offset;iptr<A->pattern->ptr[irow+1]-index_offset; iptr++) { |
| 64 |
icol=A->pattern->index[iptr]-index_offset; |
| 65 |
if (mask_col[icol]>0. || mask_row[irow]>0. ) { |
| 66 |
if (irow==icol) { |
| 67 |
A->val[iptr]=main_diagonal_value; |
| 68 |
} else { |
| 69 |
A->val[iptr]=0; |
| 70 |
} |
| 71 |
} |
| 72 |
} |
| 73 |
} |
| 74 |
} |
| 75 |
void Paso_SparseMatrix_nullifyRowsAndCols_CSC(Paso_SparseMatrix* A, double* mask_row, double* mask_col, double main_diagonal_value) { |
| 76 |
index_t index_offset=(A->type & MATRIX_FORMAT_OFFSET1 ? 1:0); |
| 77 |
index_t ir,icol,iptr,icb,irb,irow,ic,l; |
| 78 |
#pragma omp parallel for private(l,irow, iptr,icol,ic,irb,icb) schedule(static) |
| 79 |
for (ic=0;ic< A->pattern->numOutput;ic++) { |
| 80 |
for (iptr=A->pattern->ptr[ic]-index_offset;iptr<A->pattern->ptr[ic+1]-index_offset; iptr++) { |
| 81 |
for (irb=0;irb< A->row_block_size;irb++) { |
| 82 |
irow=irb+A->row_block_size*(A->pattern->index[iptr]-index_offset); |
| 83 |
#pragma ivdep |
| 84 |
for (icb=0;icb< A->col_block_size;icb++) { |
| 85 |
icol=icb+A->col_block_size*ic; |
| 86 |
if (mask_col[icol]>0. || mask_row[irow]>0. ) { |
| 87 |
l=iptr*A->block_size+irb+A->row_block_size*icb; |
| 88 |
if (irow==icol) { |
| 89 |
A->val[l]=main_diagonal_value; |
| 90 |
} else { |
| 91 |
A->val[l]=0; |
| 92 |
} |
| 93 |
} |
| 94 |
} |
| 95 |
} |
| 96 |
} |
| 97 |
} |
| 98 |
} |
| 99 |
void Paso_SparseMatrix_nullifyRowsAndCols_CSR(Paso_SparseMatrix* A, double* mask_row, double* mask_col, double main_diagonal_value) { |
| 100 |
index_t index_offset=(A->type & MATRIX_FORMAT_OFFSET1 ? 1:0); |
| 101 |
index_t ir,icol,iptr,icb,irb,irow,ic,l; |
| 102 |
#pragma omp parallel for private(l,irow, iptr,icol,ir,irb,icb) schedule(static) |
| 103 |
for (ir=0;ir< A->pattern->numOutput;ir++) { |
| 104 |
for (iptr=A->pattern->ptr[ir]-index_offset;iptr<A->pattern->ptr[ir+1]-index_offset; iptr++) { |
| 105 |
for (irb=0;irb< A->row_block_size;irb++) { |
| 106 |
irow=irb+A->row_block_size*ir; |
| 107 |
#pragma ivdep |
| 108 |
for (icb=0;icb< A->col_block_size;icb++) { |
| 109 |
icol=icb+A->col_block_size*(A->pattern->index[iptr]-index_offset); |
| 110 |
if (mask_col[icol]>0. || mask_row[irow]>0. ) { |
| 111 |
l=iptr*A->block_size+irb+A->row_block_size*icb; |
| 112 |
if (irow==icol) { |
| 113 |
A->val[l]=main_diagonal_value; |
| 114 |
} else { |
| 115 |
A->val[l]=0; |
| 116 |
} |
| 117 |
} |
| 118 |
} |
| 119 |
} |
| 120 |
} |
| 121 |
} |
| 122 |
} |
| 123 |
void Paso_SparseMatrix_nullifyRows_CSR_BLK1(Paso_SparseMatrix* A, double* mask_row, double main_diagonal_value) { |
| 124 |
index_t index_offset=(A->type & MATRIX_FORMAT_OFFSET1 ? 1:0); |
| 125 |
index_t irow, iptr, icol; |
| 126 |
#pragma omp parallel for private(irow, iptr,icol) schedule(static) |
| 127 |
for (irow=0;irow< A->pattern->numOutput;irow++) { |
| 128 |
if (mask_row[irow]>0.) { |
| 129 |
#pragma ivdep |
| 130 |
for (iptr=A->pattern->ptr[irow]-index_offset;iptr<A->pattern->ptr[irow+1]-index_offset; iptr++) { |
| 131 |
icol=A->pattern->index[iptr]-index_offset; |
| 132 |
if (irow==icol) { |
| 133 |
A->val[iptr]=main_diagonal_value; |
| 134 |
} else { |
| 135 |
A->val[iptr]=0; |
| 136 |
} |
| 137 |
} |
| 138 |
} |
| 139 |
} |
| 140 |
} |
| 141 |
void Paso_SparseMatrix_nullifyRows_CSR(Paso_SparseMatrix* A, double* mask_row, double main_diagonal_value) { |
| 142 |
index_t index_offset=(A->type & MATRIX_FORMAT_OFFSET1 ? 1:0); |
| 143 |
index_t ir,icol,iptr,icb,irb,irow,ic,l; |
| 144 |
#pragma omp parallel for private(l,irow, iptr,icol,ir,irb,icb) schedule(static) |
| 145 |
for (ir=0;ir< A->pattern->numOutput;ir++) { |
| 146 |
for (iptr=A->pattern->ptr[ir]-index_offset;iptr<A->pattern->ptr[ir+1]-index_offset; iptr++) { |
| 147 |
for (irb=0;irb< A->row_block_size;irb++) { |
| 148 |
irow=irb+A->row_block_size*ir; |
| 149 |
if (mask_row[irow]>0. ) { |
| 150 |
#pragma ivdep |
| 151 |
for (icb=0;icb< A->col_block_size;icb++) { |
| 152 |
icol=icb+A->col_block_size*(A->pattern->index[iptr]-index_offset); |
| 153 |
l=iptr*A->block_size+irb+A->row_block_size*icb; |
| 154 |
if (irow==icol) { |
| 155 |
A->val[l]=main_diagonal_value; |
| 156 |
} else { |
| 157 |
A->val[l]=0; |
| 158 |
} |
| 159 |
} |
| 160 |
} |
| 161 |
} |
| 162 |
} |
| 163 |
} |
| 164 |
} |
Parent Directory
| 
Revision Log