/[escript]/trunk/paso/src/SystemMatrix.h
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Annotation of /trunk/paso/src/SystemMatrix.h

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Revision 1363 - (hide annotations)
Mon Dec 17 03:42:03 2007 UTC (12 years, 2 months ago) by gross
File MIME type: text/plain
File size: 4204 byte(s)
initialization for FCT solver added.
1 ksteube 1312
2 jgs 150 /* $Id$ */
3    
4 ksteube 1312 /*******************************************************
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 dhawcroft 631
16 jgs 150 /**************************************************************/
17    
18     /* Paso: SystemMatrix and SystemVector */
19    
20     /**************************************************************/
21    
22 gross 412 /* Copyrights by ACcESS Australia 2003,2004,2005,2006 */
23 jgs 150 /* Author: gross@access.edu.au */
24    
25     /**************************************************************/
26    
27 ksteube 1312 #ifndef INC_PASO_SYSTEMMATRIX
28     #define INC_PASO_SYSTEMMATRIX
29 jgs 150
30     #include "Common.h"
31 ksteube 1312 #include "SparseMatrix.h"
32 jgs 150 #include "SystemMatrixPattern.h"
33     #include "Options.h"
34 ksteube 1312 #include "Paso_MPI.h"
35     #include "Paso.h"
36 jgs 150
37     /**************************************************************/
38    
39     /* this struct holds a stiffness matrix: */
40    
41 gross 415 #define MATRIX_FORMAT_DEFAULT 0
42     #define MATRIX_FORMAT_CSC 1
43     #define MATRIX_FORMAT_SYM 2
44     #define MATRIX_FORMAT_BLK1 4
45     #define MATRIX_FORMAT_OFFSET1 8
46 ksteube 1312 #define MATRIX_FORMAT_TRILINOS_CRS 16
47 gross 412
48 jgs 150 typedef int Paso_SystemMatrixType;
49    
50     typedef struct Paso_SystemMatrix {
51     Paso_SystemMatrixType type;
52 ksteube 1312 Paso_SystemMatrixPattern *pattern;
53    
54 jgs 150 dim_t reference_counter;
55    
56     dim_t logical_row_block_size;
57     dim_t logical_col_block_size;
58     dim_t logical_block_size;
59    
60     dim_t row_block_size;
61     dim_t col_block_size;
62     dim_t block_size;
63    
64 ksteube 1312 Paso_Distribution *row_distribution;
65     Paso_Distribution *col_distribution;
66 jgs 150
67 ksteube 1312 Paso_MPIInfo *mpi_info;
68 jgs 150
69 ksteube 1312 /* this comes into play when PASO is used */
70     Paso_SparseMatrix* mainBlock;
71     Paso_SparseMatrix* coupleBlock;
72     bool_t normalizer_is_valid;
73 jgs 150 double *normalizer; /* vector with a inverse of the absolute row/col sum (set by Solver.c)*/
74 gross 425 index_t solver_package; /* package controling the solver pointer */
75     void* solver; /* pointer to data needed by a solver */
76 jgs 150
77 ksteube 1312 /* this is only used for a trilinos matrix */
78     void *trilinos_data;
79    
80 jgs 150 } Paso_SystemMatrix;
81    
82     /* interfaces: */
83    
84     Paso_SystemMatrix* Paso_SystemMatrix_alloc(Paso_SystemMatrixType,Paso_SystemMatrixPattern*,dim_t,dim_t);
85     Paso_SystemMatrix* Paso_SystemMatrix_reference(Paso_SystemMatrix*);
86 ksteube 1312 void Paso_SystemMatrix_free(Paso_SystemMatrix*);
87 jgs 150
88     void Paso_SystemMatrix_MatrixVector(double alpha, Paso_SystemMatrix* A, double* in, double beta, double* out);
89 gross 415 void Paso_SystemMatrix_MatrixVector_CSR_OFFSET0(double alpha, Paso_SystemMatrix* A, double* in, double beta, double* out);
90 ksteube 1312 void Paso_solve(Paso_SystemMatrix* A, double* out, double* in, Paso_Options* options);
91     void Paso_solve_free(Paso_SystemMatrix* in);
92     void Paso_SystemMatrix_allocBuffer(Paso_SystemMatrix* A);
93     void Paso_SystemMatrix_freeBuffer(Paso_SystemMatrix* A);
94     void Paso_SystemMatrix_startCollect(Paso_SystemMatrix* A,double* in);
95     double* Paso_SystemMatrix_finishCollect(Paso_SystemMatrix* A);
96     void Paso_SystemMatrix_nullifyRowsAndCols(Paso_SystemMatrix* A, double* mask_row, double* mask_col, double main_diagonal_value);
97     double* Paso_SystemMatrix_borrowNormalization(Paso_SystemMatrix* A);
98     dim_t Paso_SystemMatrix_getTotalNumRows(Paso_SystemMatrix* A);
99     dim_t Paso_SystemMatrix_getTotalNumCols(Paso_SystemMatrix*);
100     dim_t Paso_SystemMatrix_getGlobalNumRows(Paso_SystemMatrix*);
101     dim_t Paso_SystemMatrix_getGlobalNumCols(Paso_SystemMatrix*);
102 jgs 150
103     void Paso_SystemMatrix_saveMM(Paso_SystemMatrix *, char *);
104     void Paso_SystemMatrix_saveHB(Paso_SystemMatrix *, char *);
105     Paso_SystemMatrix* Paso_SystemMatrix_loadMM_toCSR(char *);
106 ksteube 1312 Paso_SystemMatrix* Paso_SystemMatrix_loadMM_toCSC(char *);
107 jgs 150 void Paso_SystemMatrix_setDefaults(Paso_Options*);
108     int Paso_SystemMatrix_getSystemMatrixTypeId(index_t solver, index_t package, bool_t symmetry);
109 gross 1361 dim_t Paso_SystemMatrix_getNumOutput(Paso_SystemMatrix* A);
110 ksteube 1312 void Paso_SystemMatrix_setValues(Paso_SystemMatrix*,double);
111     void Paso_SystemMatrix_add(Paso_SystemMatrix*,dim_t,index_t*, dim_t,dim_t,index_t*,dim_t, double*);
112 gross 1363 void Paso_SystemMatrix_rowSum(Paso_SystemMatrix* A, double* row_sum);
113 jgs 150
114 ksteube 1312 #endif /* #ifndef INC_PASO_SYSTEMMATRIX */
115    

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