/[escript]/trunk/paso/src/SolverFCT.c
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Contents of /trunk/paso/src/SolverFCT.c

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Revision 1388 - (show annotations)
Fri Jan 11 07:45:58 2008 UTC (12 years, 1 month ago) by trankine
File MIME type: text/plain
File size: 5670 byte(s)
And get the *(&(*&(* name right
1 /* $Id:$ */
2
3 /*******************************************************
4 *
5 * Copyright 2007 by University of Queensland
6 *
7 * http://esscc.uq.edu.au
8 * Primary Business: Queensland, Australia
9 * Licensed under the Open Software License version 3.0
10 * http://www.opensource.org/licenses/osl-3.0.php
11 *
12 *******************************************************/
13
14 /**************************************************************/
15
16 /* Paso: FCTransportProblem */
17
18 /**************************************************************/
19
20 /* Author: l.gross@uq.edu.au */
21
22 /**************************************************************/
23
24
25 #include "Paso.h"
26 #include "SolverFCT.h"
27 #include "PasoUtil.h"
28
29
30 /**************************************************************/
31
32 /* free all memory used by */
33 void Paso_FCTransportProblem_free(Paso_FCTransportProblem* in) {
34 if (in!=NULL) {
35 in->reference_counter--;
36 if (in->reference_counter<=0) {
37
38 Paso_SystemMatrix_free(in->transport_matrix);
39 Paso_SystemMatrix_free(in->flux_matrix);
40 Paso_MPIInfo_free(in->mpi_info);
41
42 MEMFREE(in->u);
43 MEMFREE(in->lumped_mass_matrix);
44 MEMFREE(in->row_sum_flux_matrix);
45 MEMFREE(in->transport_matrix_diagonal);
46 MEMFREE(in->colorOf);
47 MEMFREE(in->main_iptr);
48 MEMFREE(in);
49 }
50 }
51 }
52
53 Paso_FCTransportProblem* Paso_FCTransportProblem_getReference(Paso_FCTransportProblem* in) {
54 if (in!=NULL) {
55 ++(in->reference_counter);
56 }
57 return in;
58 }
59
60 Paso_SystemMatrix* Paso_FCTransportProblem_borrowTransportMatrix(Paso_FCTransportProblem* in) {
61 return in->transport_matrix;
62 }
63
64 Paso_SystemMatrix* Paso_FCTransportProblem_borrowFluxMatrix(Paso_FCTransportProblem* in) {
65 return in->flux_matrix;
66 }
67
68 double* Paso_FCTransportProblem_borrowLumpedMassMatrix(Paso_FCTransportProblem* in) {
69 return in->lumped_mass_matrix;
70 }
71
72 dim_t Paso_FCTransportProblem_getTotalNumRows(Paso_FCTransportProblem* in) {
73 return Paso_SystemMatrix_getTotalNumRows(in->transport_matrix);
74 }
75
76 Paso_FCTransportProblem* Paso_FCTransportProblem_alloc(double theta, double dt_max, Paso_SystemMatrixPattern *pattern, int block_size
77
78
79 ) {
80 Paso_SystemMatrixType matrix_type=MATRIX_FORMAT_DEFAULT+MATRIX_FORMAT_BLK1; /* at the moment only block size 1 is supported */
81 Paso_FCTransportProblem* out=NULL;
82 dim_t n,i;
83 index_t iptr,iptr_main,k;
84
85 if ((theta<0.) || (theta >1.)) {
86 Paso_setError(TYPE_ERROR,"Paso_FCTransportProblem_alloc: theta needs to be between 0. and. 1.");
87 return NULL;
88 }
89
90 out=MEMALLOC(1,Paso_FCTransportProblem);
91 if (Paso_checkPtr(out)) return NULL;
92
93 out->theta=theta;
94 out->dt_max=dt_max;
95 out->valid_matrices=FALSE;
96 out->transport_matrix=Paso_SystemMatrix_alloc(matrix_type,pattern,block_size,block_size);
97 Paso_SystemMatrix_allocBuffer(out->transport_matrix);
98 out->flux_matrix=Paso_SystemMatrix_alloc(matrix_type,pattern,block_size,block_size);
99 out->mpi_info=Paso_MPIInfo_getReference(pattern->mpi_info);
100
101 out->colorOf=NULL;
102 out->main_iptr=NULL;
103 out->lumped_mass_matrix=NULL;
104 out->row_sum_flux_matrix=NULL;
105 out->transport_matrix_diagonal=NULL;
106
107 if (Paso_noError()) {
108 n=Paso_SystemMatrix_getTotalNumRows(out->transport_matrix);
109
110 out->colorOf=MEMALLOC(n,index_t);
111 out->main_iptr=MEMALLOC(n,index_t);
112 out->lumped_mass_matrix=MEMALLOC(n,double);
113 out->row_sum_flux_matrix=MEMALLOC(n,double);
114 out->transport_matrix_diagonal=MEMALLOC(n,double);
115 out->u=MEMALLOC(n,double);
116
117 if ( ! (Paso_checkPtr(out->colorOf) || Paso_checkPtr(out->main_iptr) ||
118 Paso_checkPtr(out->lumped_mass_matrix) || Paso_checkPtr(out->transport_matrix_diagonal) || Paso_checkPtr(out->row_sum_flux_matrix) || Paso_checkPtr(out->u)) ) {
119
120 printf("Paso_SolverFCT_getFCTransportProblem: Revise coloring!!\n");
121 Paso_Pattern_color(pattern->mainPattern,&(out->num_colors),out->colorOf);
122
123
124 #pragma omp parallel for schedule(static) private(i)
125 for (i = 0; i < n; ++i) {
126 out->lumped_mass_matrix[i]=0.;
127 out->row_sum_flux_matrix[i]=0.;
128 out->u[i]=0.;
129 }
130 /* identify the main diagonals */
131 #pragma omp parallel for schedule(static) private(i,iptr,iptr_main,k)
132 for (i = 0; i < n; ++i) {
133 iptr_main=pattern->mainPattern->ptr[0]-1;
134 for (iptr=pattern->mainPattern->ptr[i];iptr<pattern->mainPattern->ptr[i+1]; iptr++) {
135 if (pattern->mainPattern->index[iptr]==i) {
136 iptr_main=iptr;
137 break;
138 }
139 }
140 out->main_iptr[i]=iptr_main;
141 if (iptr_main==pattern->mainPattern->ptr[0]-1)
142 Paso_setError(VALUE_ERROR, "Paso_FCTransportProblem_alloc: no main diagonal");
143 }
144
145 }
146
147 }
148 if (Paso_noError()) {
149 return out;
150 } else {
151 Paso_FCTransportProblem_free(out);
152 return NULL;
153 }
154 }
155
156 void Paso_FCTransportProblem_checkinSolution(Paso_FCTransportProblem* in, double* u) {
157 dim_t i, n;
158
159 n=Paso_FCTransportProblem_getTotalNumRows(in);
160 #pragma omp parallel for schedule(static) private(i)
161 for (i = 0; i < n; ++i) {
162 in->u[i]=u[i];
163 }
164 }

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