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

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Revision 1639 - (show annotations)
Mon Jul 14 08:55:25 2008 UTC (11 years, 4 months ago) by gross
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1
2 /* $Id$ */
3
4 /*******************************************************
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
16 /**************************************************************/
17
18 /* Paso: SystemMatrix and SystemVector */
19
20 /**************************************************************/
21
22 /* Copyrights by ACcESS Australia 2003,2004,2005,2006 */
23 /* Author: gross@access.edu.au */
24
25 /**************************************************************/
26
27 #ifndef INC_PASO_SYSTEMMATRIX
28 #define INC_PASO_SYSTEMMATRIX
29
30 #include "Common.h"
31 #include "SparseMatrix.h"
32 #include "SystemMatrixPattern.h"
33 #include "Options.h"
34 #include "Paso_MPI.h"
35 #include "Paso.h"
36 #include "Coupler.h"
37
38
39 /**************************************************************/
40
41 /* this struct holds a stiffness matrix: */
42
43 #define MATRIX_FORMAT_DEFAULT 0
44 #define MATRIX_FORMAT_CSC 1
45 #define MATRIX_FORMAT_SYM 2
46 #define MATRIX_FORMAT_BLK1 4
47 #define MATRIX_FORMAT_OFFSET1 8
48 #define MATRIX_FORMAT_TRILINOS_CRS 16
49
50 typedef int Paso_SystemMatrixType;
51
52 typedef struct Paso_SystemMatrix {
53 Paso_SystemMatrixType type;
54 Paso_SystemMatrixPattern *pattern;
55
56 dim_t reference_counter;
57
58 dim_t logical_row_block_size;
59 dim_t logical_col_block_size;
60 dim_t logical_block_size;
61
62 dim_t row_block_size;
63 dim_t col_block_size;
64 dim_t block_size;
65
66 Paso_Distribution *row_distribution;
67 Paso_Distribution *col_distribution;
68 Paso_MPIInfo *mpi_info;
69
70 Paso_Coupler* col_coupler;
71 Paso_Coupler* row_coupler;
72 /* this comes into play when PASO is used */
73 Paso_SparseMatrix* mainBlock; /* main block */
74 Paso_SparseMatrix* col_coupleBlock; /* coupling to naighbouring processors (row - col) */
75 Paso_SparseMatrix* row_coupleBlock; /* coupling to naighbouring processors (col - row) (uses CSC if coupleBlock uses CSR) */
76 bool_t normalizer_is_valid;
77 double *normalizer; /* vector with a inverse of the absolute row/col sum (set by Solver.c)*/
78 index_t solver_package; /* package controling the solver pointer */
79 void* solver; /* pointer to data needed by a solver */
80
81 /* this is only used for a trilinos matrix */
82 void *trilinos_data;
83
84 } Paso_SystemMatrix;
85
86 /* interfaces: */
87
88 Paso_SystemMatrix* Paso_SystemMatrix_alloc(Paso_SystemMatrixType,Paso_SystemMatrixPattern*,dim_t,dim_t);
89 Paso_SystemMatrix* Paso_SystemMatrix_reference(Paso_SystemMatrix*);
90 void Paso_SystemMatrix_free(Paso_SystemMatrix*);
91
92 void Paso_SystemMatrix_MatrixVector(const double alpha, Paso_SystemMatrix* A, const double* in, const double beta, double* out);
93 void Paso_SystemMatrix_MatrixVector_CSR_OFFSET0(double alpha, Paso_SystemMatrix* A, const double* in, const double beta, double* out);
94 void Paso_solve(Paso_SystemMatrix* A, double* out, double* in, Paso_Options* options);
95 void Paso_solve_free(Paso_SystemMatrix* in);
96 void Paso_SystemMatrix_startCollect(Paso_SystemMatrix* A,const double* in);
97 double* Paso_SystemMatrix_finishCollect(Paso_SystemMatrix* A);
98 void Paso_SystemMatrix_startColCollect(Paso_SystemMatrix* A,const double* in);
99 double* Paso_SystemMatrix_finishColCollect(Paso_SystemMatrix* A);
100 void Paso_SystemMatrix_startRowCollect(Paso_SystemMatrix* A,const double* in);
101 double* Paso_SystemMatrix_finishRowCollect(Paso_SystemMatrix* A);
102 void Paso_SystemMatrix_nullifyRowsAndCols(Paso_SystemMatrix* A, double* mask_row, double* mask_col, double main_diagonal_value);
103 double* Paso_SystemMatrix_borrowNormalization(Paso_SystemMatrix* A);
104 dim_t Paso_SystemMatrix_getTotalNumRows(const Paso_SystemMatrix* A);
105 dim_t Paso_SystemMatrix_getTotalNumCols(const Paso_SystemMatrix*);
106 dim_t Paso_SystemMatrix_getGlobalNumRows(Paso_SystemMatrix*);
107 dim_t Paso_SystemMatrix_getGlobalNumCols(Paso_SystemMatrix*);
108
109 void Paso_SystemMatrix_saveMM(Paso_SystemMatrix *, char *);
110 void Paso_SystemMatrix_saveHB(Paso_SystemMatrix *, char *);
111 Paso_SystemMatrix* Paso_SystemMatrix_loadMM_toCSR(char *);
112 Paso_SystemMatrix* Paso_SystemMatrix_loadMM_toCSC(char *);
113 void Paso_SystemMatrix_setDefaults(Paso_Options*);
114 int Paso_SystemMatrix_getSystemMatrixTypeId(index_t solver, index_t package, bool_t symmetry);
115 dim_t Paso_SystemMatrix_getNumOutput(Paso_SystemMatrix* A);
116 void Paso_SystemMatrix_setValues(Paso_SystemMatrix*,double);
117 void Paso_SystemMatrix_add(Paso_SystemMatrix*,dim_t,index_t*, dim_t,dim_t,index_t*,dim_t, double*);
118 void Paso_SystemMatrix_rowSum(Paso_SystemMatrix* A, double* row_sum);
119 void Paso_SystemMatrix_nullifyRows(Paso_SystemMatrix* A, double* mask_row, double main_diagonal_value);
120 void Paso_SparseMatrix_nullifyRows_CSR(Paso_SparseMatrix*, double*, double);
121
122
123 #endif /* #ifndef INC_PASO_SYSTEMMATRIX */
124

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