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

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

Parent Directory Parent Directory | Revision Log Revision Log


Revision 425 - (show annotations)
Tue Jan 10 04:10:39 2006 UTC (13 years, 7 months ago) by gross
File MIME type: text/plain
File size: 3644 byte(s)
The sparse solver can be called by paso now. 

the building has been change to reduce some code redundancy:
now all scons SCscripts are importing scons/esys_options.py which
imports platform specific settings. 



1 /* $Id$ */
2
3 /**************************************************************/
4
5 /* Paso: SystemMatrix and SystemVector */
6
7 /**************************************************************/
8
9 /* Copyrights by ACcESS Australia 2003,2004,2005,2006 */
10 /* Author: gross@access.edu.au */
11
12 /**************************************************************/
13
14 #ifndef INC_PASO_SYSTEM
15 #define INC_PASO_SYSTEM
16
17 #include "Common.h"
18 #include "SystemMatrixPattern.h"
19 #include "Options.h"
20
21 /**************************************************************/
22
23 /* this struct holds a stiffness matrix: */
24
25 #define MATRIX_FORMAT_DEFAULT 0
26 #define MATRIX_FORMAT_CSC 1
27 #define MATRIX_FORMAT_SYM 2
28 #define MATRIX_FORMAT_BLK1 4
29 #define MATRIX_FORMAT_OFFSET1 8
30
31 typedef int Paso_SystemMatrixType;
32
33 typedef struct Paso_SystemMatrix {
34 Paso_SystemMatrixType type;
35 dim_t reference_counter;
36
37 dim_t logical_row_block_size;
38 dim_t logical_col_block_size;
39 dim_t logical_block_size;
40
41 dim_t row_block_size;
42 dim_t col_block_size;
43 dim_t block_size;
44
45 dim_t num_rows;
46 dim_t num_cols;
47
48 Paso_SystemMatrixPattern* pattern;
49
50 dim_t len;
51 double *val;
52
53 double *normalizer; /* vector with a inverse of the absolute row/col sum (set by Solver.c)*/
54 bool_t normalizer_is_valid;
55 index_t solver_package; /* package controling the solver pointer */
56 void* solver; /* pointer to data needed by a solver */
57
58 } Paso_SystemMatrix;
59
60 /* interfaces: */
61
62 Paso_SystemMatrix* Paso_SystemMatrix_alloc(Paso_SystemMatrixType,Paso_SystemMatrixPattern*,dim_t,dim_t);
63 Paso_SystemMatrix* Paso_SystemMatrix_reference(Paso_SystemMatrix*);
64 void Paso_SystemMatrix_dealloc(Paso_SystemMatrix*);
65
66 void Paso_SystemMatrix_setValues(Paso_SystemMatrix*,double);
67 void Paso_SystemMatrix_copy(Paso_SystemMatrix*,double*);
68 void Paso_SystemMatrix_add(Paso_SystemMatrix*,dim_t,index_t*, dim_t,dim_t,index_t*,dim_t, double*);
69 void Paso_SystemMatrix_MatrixVector(double alpha, Paso_SystemMatrix* A, double* in, double beta, double* out);
70 void Paso_SystemMatrix_MatrixVector_CSC_OFFSET0(double alpha, Paso_SystemMatrix* A, double* in, double beta, double* out);
71 void Paso_SystemMatrix_MatrixVector_CSC_OFFSET1(double alpha, Paso_SystemMatrix* A, double* in, double beta, double* out);
72 void Paso_SystemMatrix_MatrixVector_CSR_OFFSET0(double alpha, Paso_SystemMatrix* A, double* in, double beta, double* out);
73 void Paso_SystemMatrix_MatrixVector_CSR_OFFSET1(double alpha, Paso_SystemMatrix* A, double* in, double beta, double* out);
74
75 void Paso_SystemMatrix_saveMM(Paso_SystemMatrix *, char *);
76 void Paso_SystemMatrix_saveHB(Paso_SystemMatrix *, char *);
77 Paso_SystemMatrix* Paso_SystemMatrix_loadMM_toCSR(char *);
78 void Paso_SystemMatrix_nullifyRowsAndCols(Paso_SystemMatrix* A, double* mask_row, double* mask_col, double main_diagonal_value);
79 void Paso_SystemMatrix_setDefaults(Paso_Options*);
80 int Paso_SystemMatrix_getSystemMatrixTypeId(index_t solver, index_t package, bool_t symmetry);
81 Paso_SystemMatrix* Paso_SystemMatrix_getSubmatrix(Paso_SystemMatrix* A,dim_t,index_t*,index_t*);
82 double* Paso_SystemMatrix_borrowNormalization(Paso_SystemMatrix* A);
83
84 #endif /* #ifndef INC_PASO_SYSTEM */
85
86 /*
87 * $Log$
88 * Revision 1.2 2005/09/15 03:44:38 jgs
89 * Merge of development branch dev-02 back to main trunk on 2005-09-15
90 *
91 * Revision 1.1.2.2 2005/09/07 00:59:08 gross
92 * some inconsistent renaming fixed to make the linking work.
93 *
94 * Revision 1.1.2.1 2005/09/05 06:29:47 gross
95 * These files have been extracted from finley to define a stand alone libray for iterative
96 * linear solvers on the ALTIX. main entry through Paso_solve. this version compiles but
97 * has not been tested yet.
98 *
99 *
100 */

Properties

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

  ViewVC Help
Powered by ViewVC 1.1.26