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

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Revision 1387 - (hide annotations)
Fri Jan 11 07:45:26 2008 UTC (12 years, 1 month ago) by trankine
Original Path: temp/paso/src/SolverFCT.c
File MIME type: text/plain
File size: 5670 byte(s)
Restore the trunk that existed before the windows changes were committed to the (now moved to branches) old trunk.
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 1370 MEMFREE(in->transport_matrix_diagonal);
46 gross 1362 MEMFREE(in->colorOf);
47     MEMFREE(in->main_iptr);
48     MEMFREE(in);
49     }
50     }
51     }
52 gross 1361
53 gross 1362 Paso_FCTransportProblem* Paso_FCTransportProblem_getReference(Paso_FCTransportProblem* in) {
54 gross 1361 if (in!=NULL) {
55 gross 1362 ++(in->reference_counter);
56 gross 1361 }
57 gross 1367 return in;
58 gross 1362 }
59    
60     Paso_SystemMatrix* Paso_FCTransportProblem_borrowTransportMatrix(Paso_FCTransportProblem* in) {
61     return in->transport_matrix;
62 gross 1361 }
63    
64 gross 1362 Paso_SystemMatrix* Paso_FCTransportProblem_borrowFluxMatrix(Paso_FCTransportProblem* in) {
65     return in->flux_matrix;
66     }
67 gross 1361
68 gross 1362 double* Paso_FCTransportProblem_borrowLumpedMassMatrix(Paso_FCTransportProblem* in) {
69     return in->lumped_mass_matrix;
70     }
71 gross 1361
72 gross 1362 dim_t Paso_FCTransportProblem_getTotalNumRows(Paso_FCTransportProblem* in) {
73     return Paso_SystemMatrix_getTotalNumRows(in->transport_matrix);
74     }
75 gross 1361
76 gross 1366 Paso_FCTransportProblem* Paso_FCTransportProblem_alloc(double theta, double dt_max, Paso_SystemMatrixPattern *pattern, int block_size
77 gross 1361
78 gross 1362
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 gross 1361 return NULL;
88 gross 1362 }
89 gross 1361
90 gross 1362 out=MEMALLOC(1,Paso_FCTransportProblem);
91     if (Paso_checkPtr(out)) return NULL;
92 gross 1361
93 gross 1362 out->theta=theta;
94 gross 1370 out->dt_max=dt_max;
95 gross 1363 out->valid_matrices=FALSE;
96 gross 1362 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 gross 1361
101 gross 1362 out->colorOf=NULL;
102     out->main_iptr=NULL;
103     out->lumped_mass_matrix=NULL;
104 gross 1363 out->row_sum_flux_matrix=NULL;
105 gross 1370 out->transport_matrix_diagonal=NULL;
106 gross 1361
107 gross 1362 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 gross 1363 out->row_sum_flux_matrix=MEMALLOC(n,double);
114 gross 1370 out->transport_matrix_diagonal=MEMALLOC(n,double);
115 gross 1364 out->u=MEMALLOC(n,double);
116 gross 1362
117 gross 1363 if ( ! (Paso_checkPtr(out->colorOf) || Paso_checkPtr(out->main_iptr) ||
118 gross 1370 Paso_checkPtr(out->lumped_mass_matrix) || Paso_checkPtr(out->transport_matrix_diagonal) || Paso_checkPtr(out->row_sum_flux_matrix) || Paso_checkPtr(out->u)) ) {
119 gross 1362
120     printf("Paso_SolverFCT_getFCTransportProblem: Revise coloring!!\n");
121     Paso_Pattern_color(pattern->mainPattern,&(out->num_colors),out->colorOf);
122    
123    
124 gross 1367 #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 gross 1362 /* 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 gross 1361 }
148     if (Paso_noError()) {
149     return out;
150     } else {
151 gross 1362 Paso_FCTransportProblem_free(out);
152 gross 1361 return NULL;
153     }
154     }
155 gross 1364
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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