/[escript]/trunk/paso/src/SystemMatrix.h
ViewVC logotype

Contents of /trunk/paso/src/SystemMatrix.h

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1425 - (show annotations)
Wed Feb 27 06:12:04 2008 UTC (11 years, 5 months ago) by artak
File MIME type: text/plain
File size: 4403 byte(s)
Added new test for BiCGStab in run_simplesolve.py
algorithmic change in BICGSTAB: from r=r-wt to r=s-wt

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
37 /**************************************************************/
38
39 /* this struct holds a stiffness matrix: */
40
41 #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 #define MATRIX_FORMAT_TRILINOS_CRS 16
47
48 typedef int Paso_SystemMatrixType;
49
50 typedef struct Paso_SystemMatrix {
51 Paso_SystemMatrixType type;
52 Paso_SystemMatrixPattern *pattern;
53
54 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 Paso_Distribution *row_distribution;
65 Paso_Distribution *col_distribution;
66
67 Paso_MPIInfo *mpi_info;
68
69 /* this comes into play when PASO is used */
70 Paso_SparseMatrix* mainBlock;
71 Paso_SparseMatrix* coupleBlock;
72 bool_t normalizer_is_valid;
73 double *normalizer; /* vector with a inverse of the absolute row/col sum (set by Solver.c)*/
74 index_t solver_package; /* package controling the solver pointer */
75 void* solver; /* pointer to data needed by a solver */
76
77 /* this is only used for a trilinos matrix */
78 void *trilinos_data;
79
80 } 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 void Paso_SystemMatrix_free(Paso_SystemMatrix*);
87
88 void Paso_SystemMatrix_MatrixVector(double alpha, Paso_SystemMatrix* A, double* in, double beta, double* out);
89 void Paso_SystemMatrix_MatrixVector_CSR_OFFSET0(double alpha, Paso_SystemMatrix* A, double* in, double beta, double* out);
90 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,const 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(const Paso_SystemMatrix* A);
99 dim_t Paso_SystemMatrix_getTotalNumCols(const Paso_SystemMatrix*);
100 dim_t Paso_SystemMatrix_getGlobalNumRows(Paso_SystemMatrix*);
101 dim_t Paso_SystemMatrix_getGlobalNumCols(Paso_SystemMatrix*);
102
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 Paso_SystemMatrix* Paso_SystemMatrix_loadMM_toCSC(char *);
107 void Paso_SystemMatrix_setDefaults(Paso_Options*);
108 int Paso_SystemMatrix_getSystemMatrixTypeId(index_t solver, index_t package, bool_t symmetry);
109 dim_t Paso_SystemMatrix_getNumOutput(Paso_SystemMatrix* A);
110 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 void Paso_SystemMatrix_rowSum(Paso_SystemMatrix* A, double* row_sum);
113 void Paso_SystemMatrix_nullifyRows(Paso_SystemMatrix* A, double* mask_row, double main_diagonal_value);
114 void Paso_SparseMatrix_nullifyRows_CSR(Paso_SparseMatrix*, double*, double);
115
116 #endif /* #ifndef INC_PASO_SYSTEMMATRIX */
117

Properties

Name Value
svn:eol-style native
svn:keywords Author Date Id Revision

  ViewVC Help
Powered by ViewVC 1.1.26