/[escript]/trunk/paso/src/SolverFCT.c
ViewVC logotype

Annotation of /trunk/paso/src/SolverFCT.c

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1367 - (hide annotations)
Wed Dec 19 02:45:07 2007 UTC (12 years, 2 months ago) by gross
File MIME type: text/plain
File size: 5564 byte(s)
finley can now assemble a transport problem.
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 1367 return in;
57 gross 1362 }
58    
59     Paso_SystemMatrix* Paso_FCTransportProblem_borrowTransportMatrix(Paso_FCTransportProblem* in) {
60     return in->transport_matrix;
61 gross 1361 }
62    
63 gross 1362 Paso_SystemMatrix* Paso_FCTransportProblem_borrowFluxMatrix(Paso_FCTransportProblem* in) {
64     return in->flux_matrix;
65     }
66 gross 1361
67 gross 1362 double* Paso_FCTransportProblem_borrowLumpedMassMatrix(Paso_FCTransportProblem* in) {
68     return in->lumped_mass_matrix;
69     }
70 gross 1361
71 gross 1362 dim_t Paso_FCTransportProblem_getTotalNumRows(Paso_FCTransportProblem* in) {
72     return Paso_SystemMatrix_getTotalNumRows(in->transport_matrix);
73     }
74 gross 1361
75 gross 1366 Paso_FCTransportProblem* Paso_FCTransportProblem_alloc(double theta, double dt_max, Paso_SystemMatrixPattern *pattern, int block_size
76 gross 1361
77 gross 1362
78     ) {
79     Paso_SystemMatrixType matrix_type=MATRIX_FORMAT_DEFAULT+MATRIX_FORMAT_BLK1; /* at the moment only block size 1 is supported */
80     Paso_FCTransportProblem* out=NULL;
81     dim_t n,i;
82     index_t iptr,iptr_main,k;
83    
84     if ((theta<0.) || (theta >1.)) {
85     Paso_setError(TYPE_ERROR,"Paso_FCTransportProblem_alloc: theta needs to be between 0. and. 1.");
86 gross 1361 return NULL;
87 gross 1362 }
88 gross 1361
89 gross 1362 out=MEMALLOC(1,Paso_FCTransportProblem);
90     if (Paso_checkPtr(out)) return NULL;
91 gross 1361
92 gross 1362 out->theta=theta;
93 gross 1363 out->valid_matrices=FALSE;
94 gross 1362 out->transport_matrix=Paso_SystemMatrix_alloc(matrix_type,pattern,block_size,block_size);
95     Paso_SystemMatrix_allocBuffer(out->transport_matrix);
96     out->flux_matrix=Paso_SystemMatrix_alloc(matrix_type,pattern,block_size,block_size);
97     out->mpi_info=Paso_MPIInfo_getReference(pattern->mpi_info);
98 gross 1361
99 gross 1362 out->colorOf=NULL;
100     out->main_iptr=NULL;
101     out->lumped_mass_matrix=NULL;
102 gross 1363 out->row_sum_flux_matrix=NULL;
103 gross 1361
104 gross 1362 if (Paso_noError()) {
105     n=Paso_SystemMatrix_getTotalNumRows(out->transport_matrix);
106    
107     out->colorOf=MEMALLOC(n,index_t);
108     out->main_iptr=MEMALLOC(n,index_t);
109     out->lumped_mass_matrix=MEMALLOC(n,double);
110 gross 1363 out->row_sum_flux_matrix=MEMALLOC(n,double);
111 gross 1364 out->u=MEMALLOC(n,double);
112 gross 1362
113 gross 1363 if ( ! (Paso_checkPtr(out->colorOf) || Paso_checkPtr(out->main_iptr) ||
114 gross 1364 Paso_checkPtr(out->lumped_mass_matrix) || Paso_checkPtr(out->row_sum_flux_matrix) || Paso_checkPtr(out->u)) ) {
115 gross 1362
116     printf("Paso_SolverFCT_getFCTransportProblem: Revise coloring!!\n");
117     Paso_Pattern_color(pattern->mainPattern,&(out->num_colors),out->colorOf);
118    
119    
120 gross 1367 #pragma omp parallel for schedule(static) private(i)
121     for (i = 0; i < n; ++i) {
122     out->lumped_mass_matrix[i]=0.;
123     out->row_sum_flux_matrix[i]=0.;
124     out->u[i]=0.;
125     }
126    
127 gross 1362 /* identify the main diagonals */
128     #pragma omp parallel for schedule(static) private(i,iptr,iptr_main,k)
129     for (i = 0; i < n; ++i) {
130     for (iptr=pattern->mainPattern->ptr[i];iptr<pattern->mainPattern->ptr[i+1]; ++iptr) {
131     iptr_main=pattern->mainPattern->ptr[0]-1;
132     for (iptr=pattern->mainPattern->ptr[i];iptr<pattern->mainPattern->ptr[i+1]; iptr++) {
133     if (pattern->mainPattern->index[iptr]==i) {
134     iptr_main=iptr;
135     break;
136     }
137     }
138     out->main_iptr[i]=iptr_main;
139     if (iptr_main==pattern->mainPattern->ptr[0]-1)
140     Paso_setError(VALUE_ERROR, "Paso_FCTransportProblem_alloc: no main diagonal");
141     }
142     }
143    
144     }
145    
146 gross 1361 }
147     if (Paso_noError()) {
148     return out;
149     } else {
150 gross 1362 Paso_FCTransportProblem_free(out);
151 gross 1361 return NULL;
152     }
153     }
154 gross 1364
155     void Paso_FCTransportProblem_checkinSolution(Paso_FCTransportProblem* in, double* u) {
156     dim_t i, n;
157    
158     n=Paso_FCTransportProblem_getTotalNumRows(in);
159     #pragma omp parallel for schedule(static) private(i)
160     for (i = 0; i < n; ++i) {
161     in->u[i]=u[i];
162     }
163     }

  ViewVC Help
Powered by ViewVC 1.1.26