/[escript]/trunk/finley/src/Assemble_addToSystemMatrix.c
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Contents of /trunk/finley/src/Assemble_addToSystemMatrix.c

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Revision 1322 - (show annotations)
Thu Sep 27 04:40:43 2007 UTC (14 years ago) by ksteube
File MIME type: text/plain
File size: 7699 byte(s) 
Code now compiles and runs on cyclone.hpcu.uq.edu.au.
Had to remove intelc from the SConstruct, but didn't commit that change.
Changed a couple C++ comments to C comments.
1
2 /* $Id$ */
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 /* Finley: SystemMatrix and SystemVector */
19
20 /* adds the matrix array[Equa,Sol,NN,NN] onto the matrix in. */
21 /* the rows/columns are given by */
22 /* i_Equa+Equa*Nodes_Equa[Nodes[j_Equa]] (i_Equa=0:Equa; j_Equa=0:NN_Equa). */
23 /* the routine has to be called from a parallel region */
24
25 /* This routine assumes that in->Equa=in->Sol=1, i.e. */
26 /* array is fully packed. */
27 /* TODO: the case in->Equa!=1 */
28
29 /**************************************************************/
30
31 #include "Assemble.h"
32 #include "IndexList.h"
33
34 /**************************************************************/
35
36 void Finley_Assemble_addToSystemMatrix(Paso_SystemMatrix* in,dim_t NN_Equa,index_t* Nodes_Equa, dim_t num_Equa,
37 dim_t NN_Sol,index_t* Nodes_Sol, dim_t num_Sol, double* array) {
38 index_t index_offset=(in->type & MATRIX_FORMAT_OFFSET1 ? 1:0);
39 dim_t k_Equa,j_Equa,j_Sol,k_Sol,i_Equa,i_Sol,l_col,l_row,ic,ir,index,k,i_row, i_col;
40 index_t *mainBlock_ptr, *mainBlock_index, *coupleBlock_ptr, *coupleBlock_index;
41 double *mainBlock_val, *coupleBlock_val;
42 dim_t row_block_size=in->row_block_size;
43 dim_t col_block_size=in->col_block_size;
44 dim_t block_size=in->block_size;
45 dim_t num_subblocks_Equa=num_Equa/row_block_size;
46 dim_t num_subblocks_Sol=num_Sol/col_block_size;
47 dim_t numMyCols=in->pattern->mainPattern->numInput;
48 dim_t numMyRows=in->pattern->mainPattern->numOutput;
49
50
51 if (in->type & MATRIX_FORMAT_CSC) {
52 /* MATRIX_FORMAT_CSC does not support MPI !!!!! */
53 mainBlock_ptr=in->mainBlock->pattern->ptr;
54 mainBlock_index=in->mainBlock->pattern->index;
55 mainBlock_val=in->mainBlock->val;
56 for (k_Sol=0;k_Sol<NN_Sol;k_Sol++) {
57 j_Sol=Nodes_Sol[k_Sol];
58 for (l_col=0;l_col<num_subblocks_Sol;++l_col) {
59 i_col=j_Sol*num_subblocks_Sol+l_col;
60 for (k_Equa=0;k_Equa<NN_Equa;k_Equa++) {
61 j_Equa=Nodes_Equa[k_Equa];
62 for (l_row=0;l_row<num_subblocks_Equa;++l_row) {
63 i_row=j_Equa*num_subblocks_Equa+index_offset+l_row;
64 for (k=mainBlock_ptr[i_col]-index_offset; k<mainBlock_ptr[i_col+1]-index_offset;++k) {
65 if (mainBlock_index[k] == i_row) {
66 for (ic=0;ic<col_block_size;++ic) {
67 i_Sol=ic+col_block_size*l_col;
68 for (ir=0;ir<row_block_size;++ir) {
69 i_Equa=ir+row_block_size*l_row;
70 mainBlock_val[k*block_size+ir+row_block_size*ic]+=
71 array[INDEX4(i_Equa,i_Sol,k_Equa,k_Sol,num_Equa,num_Sol,NN_Equa)];
72 }
73 }
74 break;
75 }
76 }
77 }
78 }
79 }
80 }
81 } else if (in->type & MATRIX_FORMAT_TRILINOS_CRS) {
82 /* this needs to be modified */
83 #ifdef TRILINOS
84 for (k_Equa=0;k_Equa<NN_Equa;++k_Equa) { /* Down columns of array */
85 j_Equa=Nodes_Equa[k_Equa];
86 if (j_Equa < in->mainBlock->pattern->output_node_distribution->numLocal) {
87 for (k_Sol=0;k_Sol<NN_Sol;++k_Sol) { /* Across rows of array */
88 j_Sol=Nodes_Sol[k_Sol];
89 for (l_row=0;l_row<num_subblocks_Equa;++l_row) {
90 irow=j_Equa*row_block_size+l_row;
91 for (l_col=0;l_col<col_block_size;++l_col) {
92 icol=j_Sol*col_block_size+index_offset+l_col;
93 /* irow is local and icol is global */
94 Trilinos_SumIntoMyValues(in->trilinos_data, irow, icol, array[INDEX4(l_row,l_col,k_Equa,k_Sol,num_Equa,num_Sol,NN_Equa)]);
95 }
96 }
97 }
98 }
99 }
100 #endif
101 } else {
102
103 mainBlock_ptr=in->mainBlock->pattern->ptr;
104 mainBlock_index=in->mainBlock->pattern->index;
105 mainBlock_val=in->mainBlock->val;
106 coupleBlock_ptr=in->coupleBlock->pattern->ptr;
107 coupleBlock_index=in->coupleBlock->pattern->index;
108 coupleBlock_val=in->coupleBlock->val;
109
110 for (k_Equa=0;k_Equa<NN_Equa;++k_Equa) { /* Down columns of array */
111 j_Equa=Nodes_Equa[k_Equa];
112 for (l_row=0;l_row<num_subblocks_Equa;++l_row) {
113 i_row=j_Equa*num_subblocks_Equa+l_row;
114 /* only look at the matrix rows stored on this processor */
115 if (i_row < numMyRows) {
116 for (k_Sol=0;k_Sol<NN_Sol;++k_Sol) { /* Across rows of array */
117 j_Sol=Nodes_Sol[k_Sol];
118 for (l_col=0;l_col<num_subblocks_Sol;++l_col) {
119 /* only look at the matrix rows stored on this processor */
120 i_col=j_Sol*num_subblocks_Sol+index_offset+l_col;
121 if (i_col < numMyCols + index_offset ) {
122 for (k=mainBlock_ptr[i_row]-index_offset;k<mainBlock_ptr[i_row+1]-index_offset;++k) {
123 if (mainBlock_index[k]==i_col) {
124 /* Entry array(k_Sol, j_Equa) is a block (row_block_size x col_block_size) */
125 for (ic=0;ic<col_block_size;++ic) {
126 i_Sol=ic+col_block_size*l_col;
127 for (ir=0;ir<row_block_size;++ir) {
128 i_Equa=ir+row_block_size*l_row;
129 mainBlock_val[k*block_size+ir+row_block_size*ic]+=
130 array[INDEX4(i_Equa,i_Sol,k_Equa,k_Sol,num_Equa,num_Sol,NN_Equa)];
131 }
132 }
133 break;
134 }
135 }
136 } else {
137 for (k=coupleBlock_ptr[i_row]-index_offset;k<coupleBlock_ptr[i_row+1]-index_offset;++k) {
138 if (coupleBlock_index[k] == i_col-numMyCols) {
139 /* Entry array(k_Sol, j_Equa) is a block (row_block_size x col_block_size) */
140 for (ic=0;ic<col_block_size;++ic) {
141 i_Sol=ic+col_block_size*l_col;
142 for (ir=0;ir<row_block_size;++ir) {
143 i_Equa=ir+row_block_size*l_row;
144 coupleBlock_val[k*block_size+ir+row_block_size*ic]+=
145 array[INDEX4(i_Equa,i_Sol,k_Equa,k_Sol,num_Equa,num_Sol,NN_Equa)];
146 }
147 }
148 break;
149 }
150 }
151 }
152 }
153 }
154 } /* end i_row check */
155 }
156 }
157 }
158 }

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