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

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Revision 1364 - (hide annotations)
Mon Dec 17 07:22:45 2007 UTC (12 years, 2 months ago) by gross
File MIME type: text/plain
File size: 5287 byte(s)
finley interface to paso's transport solver added.
1 gross 1361 /* $Id:$ */
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 gross 1362 /* Paso: FCTransportProblem */
17 gross 1361
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 gross 1362 /**************************************************************/
31 gross 1361
32 gross 1362 /* 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 gross 1361
38 gross 1362 Paso_SystemMatrix_free(in->transport_matrix);
39     Paso_SystemMatrix_free(in->flux_matrix);
40     Paso_MPIInfo_free(in->mpi_info);
41 gross 1361
42 gross 1364 MEMFREE(in->u);
43 gross 1362 MEMFREE(in->lumped_mass_matrix);
44 gross 1363 MEMFREE(in->row_sum_flux_matrix);
45 gross 1362 MEMFREE(in->colorOf);
46     MEMFREE(in->main_iptr);
47     MEMFREE(in);
48     }
49     }
50     }
51 gross 1361
52 gross 1362 Paso_FCTransportProblem* Paso_FCTransportProblem_getReference(Paso_FCTransportProblem* in) {
53 gross 1361 if (in!=NULL) {
54 gross 1362 ++(in->reference_counter);
55 gross 1361 }
56 gross 1362 }
57    
58     Paso_SystemMatrix* Paso_FCTransportProblem_borrowTransportMatrix(Paso_FCTransportProblem* in) {
59     return in->transport_matrix;
60 gross 1361 }
61    
62 gross 1362 Paso_SystemMatrix* Paso_FCTransportProblem_borrowFluxMatrix(Paso_FCTransportProblem* in) {
63     return in->flux_matrix;
64     }
65 gross 1361
66 gross 1362 double* Paso_FCTransportProblem_borrowLumpedMassMatrix(Paso_FCTransportProblem* in) {
67     return in->lumped_mass_matrix;
68     }
69 gross 1361
70 gross 1362 dim_t Paso_FCTransportProblem_getTotalNumRows(Paso_FCTransportProblem* in) {
71     return Paso_SystemMatrix_getTotalNumRows(in->transport_matrix);
72     }
73 gross 1361
74 gross 1362 Paso_FCTransportProblem* Paso_FCTransportProblem_alloc(double theta, Paso_SystemMatrixPattern *pattern, int block_size
75 gross 1361
76 gross 1362
77     ) {
78     Paso_SystemMatrixType matrix_type=MATRIX_FORMAT_DEFAULT+MATRIX_FORMAT_BLK1; /* at the moment only block size 1 is supported */
79     Paso_FCTransportProblem* out=NULL;
80     dim_t n,i;
81     index_t iptr,iptr_main,k;
82    
83     if ((theta<0.) || (theta >1.)) {
84     Paso_setError(TYPE_ERROR,"Paso_FCTransportProblem_alloc: theta needs to be between 0. and. 1.");
85 gross 1361 return NULL;
86 gross 1362 }
87 gross 1361
88 gross 1362 out=MEMALLOC(1,Paso_FCTransportProblem);
89     if (Paso_checkPtr(out)) return NULL;
90 gross 1361
91 gross 1362 out->theta=theta;
92 gross 1363 out->valid_matrices=FALSE;
93 gross 1362 out->transport_matrix=Paso_SystemMatrix_alloc(matrix_type,pattern,block_size,block_size);
94     Paso_SystemMatrix_allocBuffer(out->transport_matrix);
95     out->flux_matrix=Paso_SystemMatrix_alloc(matrix_type,pattern,block_size,block_size);
96     out->mpi_info=Paso_MPIInfo_getReference(pattern->mpi_info);
97 gross 1361
98 gross 1362 out->colorOf=NULL;
99     out->main_iptr=NULL;
100     out->lumped_mass_matrix=NULL;
101 gross 1363 out->row_sum_flux_matrix=NULL;
102 gross 1361
103 gross 1362 if (Paso_noError()) {
104     n=Paso_SystemMatrix_getTotalNumRows(out->transport_matrix);
105    
106     out->colorOf=MEMALLOC(n,index_t);
107     out->main_iptr=MEMALLOC(n,index_t);
108     out->lumped_mass_matrix=MEMALLOC(n,double);
109 gross 1363 out->row_sum_flux_matrix=MEMALLOC(n,double);
110 gross 1364 out->u=MEMALLOC(n,double);
111 gross 1362
112 gross 1363 if ( ! (Paso_checkPtr(out->colorOf) || Paso_checkPtr(out->main_iptr) ||
113 gross 1364 Paso_checkPtr(out->lumped_mass_matrix) || Paso_checkPtr(out->row_sum_flux_matrix) || Paso_checkPtr(out->u)) ) {
114 gross 1362
115     printf("Paso_SolverFCT_getFCTransportProblem: Revise coloring!!\n");
116     Paso_Pattern_color(pattern->mainPattern,&(out->num_colors),out->colorOf);
117    
118    
119     /* identify the main diagonals */
120     #pragma omp parallel for schedule(static) private(i,iptr,iptr_main,k)
121     for (i = 0; i < n; ++i) {
122     for (iptr=pattern->mainPattern->ptr[i];iptr<pattern->mainPattern->ptr[i+1]; ++iptr) {
123     iptr_main=pattern->mainPattern->ptr[0]-1;
124     for (iptr=pattern->mainPattern->ptr[i];iptr<pattern->mainPattern->ptr[i+1]; iptr++) {
125     if (pattern->mainPattern->index[iptr]==i) {
126     iptr_main=iptr;
127     break;
128     }
129     }
130     out->main_iptr[i]=iptr_main;
131     if (iptr_main==pattern->mainPattern->ptr[0]-1)
132     Paso_setError(VALUE_ERROR, "Paso_FCTransportProblem_alloc: no main diagonal");
133     }
134     }
135    
136     }
137    
138 gross 1361 }
139     if (Paso_noError()) {
140     return out;
141     } else {
142 gross 1362 Paso_FCTransportProblem_free(out);
143 gross 1361 return NULL;
144     }
145     }
146 gross 1364
147     void Paso_FCTransportProblem_checkinSolution(Paso_FCTransportProblem* in, double* u) {
148     dim_t i, n;
149    
150     n=Paso_FCTransportProblem_getTotalNumRows(in);
151     #pragma omp parallel for schedule(static) private(i)
152     for (i = 0; i < n; ++i) {
153     in->u[i]=u[i];
154     }
155     }

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