xref: /petsc/include/petscmat.h (revision 0e998a850e0a48bbec9856b552a14f360a941584)
1 /* $Id: mat.h,v 1.82 1995/12/21 22:38:23 bsmith Exp bsmith $ */
2 /*
3      Include file for the matrix component of PETSc
4 */
5 #ifndef __MAT_PACKAGE
6 #define __MAT_PACKAGE
7 #include "vec.h"
8 
9 #define MAT_COOKIE         PETSC_COOKIE+5
10 
11 typedef struct _Mat*           Mat;
12 
13 typedef enum { MATSAME=-1, MATSEQDENSE, MATSEQAIJ, MATMPIAIJ, MATSHELL,
14                MATSEQROW, MATMPIROW, MATMPIROWBS, MATSEQBDIAG, MATMPIBDIAG,
15                MATMPIDENSE } MatType;
16 
17 extern int MatCreate(MPI_Comm,int,int,Mat*);
18 extern int MatCreateSeqDense(MPI_Comm,int,int,Scalar*,Mat*);
19 extern int MatCreateMPIDense(MPI_Comm,int,int,int,int,Scalar*,Mat*);
20 extern int MatCreateSeqAIJ(MPI_Comm,int,int,int,int*,Mat*);
21 extern int MatCreateMPIAIJ(MPI_Comm,int,int,int,int,int,int*,int,int*,Mat*);
22 extern int MatCreateSeqRow(MPI_Comm,int,int,int,int*,Mat*);
23 extern int MatCreateMPIRow(MPI_Comm,int,int,int,int,int,int*,int,int*,Mat*);
24 extern int MatCreateMPIRowbs(MPI_Comm,int,int,int,int*,void*,Mat*);
25 extern int MatCreateSeqBDiag(MPI_Comm,int,int,int,int,int*,Scalar**,Mat*);
26 extern int MatCreateMPIBDiag(MPI_Comm,int,int,int,int,int,int*,Scalar**,Mat*);
27 
28 extern int MatShellCreate(MPI_Comm,int,int,void *,Mat*);
29 extern int MatShellGetContext(Mat,void **);
30 extern int MatShellSetMult(Mat,int (*)(void*,Vec,Vec));
31 extern int MatShellSetDestroy(Mat,int (*)(void*));
32 extern int MatShellSetMultTrans(Mat,int (*)(void*,Vec,Vec));
33 extern int MatShellSetMultTransAdd(Mat,int (*)(void*,Vec,Vec,Vec));
34 
35 /* ------------------------------------------------------------*/
36 extern int  MatValidMatrix(Mat);
37 
38 typedef enum {FLUSH_ASSEMBLY=1,FINAL_ASSEMBLY=0} MatAssemblyType;
39 
40 extern int MatSetValues(Mat,int,int*,int,int*,Scalar*,InsertMode);
41 extern int MatAssemblyBegin(Mat,MatAssemblyType);
42 extern int MatAssemblyEnd(Mat,MatAssemblyType);
43 
44 typedef enum {ROW_ORIENTED=1,COLUMN_ORIENTED=2,ROWS_SORTED=4,
45               COLUMNS_SORTED=8,NO_NEW_NONZERO_LOCATIONS=16,
46               YES_NEW_NONZERO_LOCATIONS=32,SYMMETRIC_MATRIX=64,
47               STRUCTURALLY_SYMMETRIC_MATRIX,NO_NEW_DIAGONALS,
48               YES_NEW_DIAGONALS,INODE_LIMIT_1,INODE_LIMIT_2,
49               INODE_LIMIT_3,INODE_LIMIT_4,INODE_LIMIT_5} MatOption;
50 
51 extern int MatSetOption(Mat,MatOption);
52 extern int MatGetType(Mat,MatType*);
53 extern int MatGetName(Mat,char**);
54 extern int MatGetFormatFromOptions(MPI_Comm,char*,MatType*,int*);
55 extern int MatGetValues(Mat,int,int*,int,int*,Scalar*);
56 extern int MatGetRow(Mat,int,int *,int **,Scalar**);
57 extern int MatRestoreRow(Mat,int,int *,int **,Scalar**);
58 extern int MatGetCol(Mat,int,int *,int **,Scalar**);
59 extern int MatRestoreCol(Mat,int,int *,int **,Scalar**);
60 extern int MatGetArray(Mat,Scalar **);
61 extern int MatMult(Mat,Vec,Vec);
62 extern int MatMultAdd(Mat,Vec,Vec,Vec);
63 extern int MatMultTrans(Mat,Vec,Vec);
64 extern int MatMultTransAdd(Mat,Vec,Vec,Vec);
65 
66 typedef enum {ORDER_NATURAL=0,ORDER_ND=1,ORDER_1WD=2,
67               ORDER_RCM=3,ORDER_QMD=4,ORDER_APPLICATION_1,
68               ORDER_APPLICATION_2} MatOrdering;
69 
70 extern int MatGetReordering(Mat,MatOrdering,IS*,IS*);
71 extern int MatGetReorderingTypeFromOptions(char *,MatOrdering*);
72 extern int MatReorderForNonzeroDiagonal(Mat,double,IS,IS);
73 extern int MatReorderingRegister(MatOrdering,char*,int (*)(int*,int*,int*,int*,int*));
74 extern int MatReorderingRegisterAll();
75 extern int MatReorderingRegisterDestroy();
76 
77 extern int MatLUFactor(Mat,IS,IS,double);
78 extern int MatILUFactor(Mat,IS,IS,double,int);
79 extern int MatCholeskyFactor(Mat,IS,double);
80 extern int MatLUFactorSymbolic(Mat,IS,IS,double,Mat*);
81 extern int MatILUFactorSymbolic(Mat,IS,IS,double,int,Mat*);
82 extern int MatCholeskyFactorSymbolic(Mat,IS,double,Mat*);
83 extern int MatIncompleteCholeskyFactorSymbolic(Mat,IS,double,int,Mat*);
84 extern int MatLUFactorNumeric(Mat,Mat*);
85 extern int MatCholeskyFactorNumeric(Mat,Mat*);
86 
87 extern int MatSolve(Mat,Vec,Vec);
88 extern int MatForwardSolve(Mat,Vec,Vec);
89 extern int MatBackwardSolve(Mat,Vec,Vec);
90 extern int MatSolveAdd(Mat,Vec,Vec,Vec);
91 extern int MatSolveTrans(Mat,Vec,Vec);
92 extern int MatSolveTransAdd(Mat,Vec,Vec,Vec);
93 
94 typedef enum {SOR_FORWARD_SWEEP=1,SOR_BACKWARD_SWEEP=2,SOR_SYMMETRIC_SWEEP=3,
95               SOR_LOCAL_FORWARD_SWEEP=4,SOR_LOCAL_BACKWARD_SWEEP=8,
96               SOR_LOCAL_SYMMETRIC_SWEEP=12,SOR_ZERO_INITIAL_GUESS=16,
97               SOR_EISENSTAT=32,SOR_APPLY_UPPER=64,SOR_APPLY_LOWER=128
98               } MatSORType;
99 
100 extern int MatRelax(Mat,Vec,double,MatSORType,double,int,Vec);
101 
102 extern int MatConvert(Mat,MatType,Mat*);
103 extern int MatView(Mat,Viewer);
104 extern int MatLoad(Viewer,MatType,Mat*);
105 
106 extern int MatCopy(Mat,Mat);
107 
108 typedef enum {MAT_LOCAL=1,MAT_GLOBAL_MAX=2,MAT_GLOBAL_SUM=3} MatInfoType;
109 
110 extern int MatGetInfo(Mat,MatInfoType,int*,int*,int*);
111 extern int MatGetDiagonal(Mat,Vec);
112 extern int MatTranspose(Mat,Mat*);
113 extern int MatScale(Mat,Vec,Vec);
114 extern int MatEqual(Mat,Mat);
115 
116 /*  Not currently supported!
117 #define MAT_SCATTER_COOKIE PETSC_COOKIE+15
118 typedef struct _MatScatter* MatScatter;
119 
120 extern int MatScatterBegin(Mat,Mat,InsertMode,MatScatter);
121 extern int MatScatterEnd(Mat,Mat,InsertMode,MatScatter);
122 extern int MatScatterCreate(Mat,IS,IS,Mat,IS,IS,MatScatter*);
123 extern int MatScatterDestroy(MatScatter);
124 */
125 
126 extern int MatNorm(Mat,NormType,double *);
127 
128 extern int MatZeroEntries(Mat);
129 extern int MatZeroRows(Mat,IS,Scalar*);
130 extern int MatZeroColumns(Mat,IS,Scalar*);
131 
132 extern int MatDestroy(Mat);
133 
134 extern int MatGetSize(Mat,int*,int*);
135 extern int MatGetLocalSize(Mat,int*,int*);
136 extern int MatGetOwnershipRange(Mat,int*,int*);
137 
138 typedef enum {MAT_INITIAL_MATRIX, MAT_REUSE_MATRIX} MatGetSubMatrixCall;
139 extern int MatGetSubMatrix(Mat,IS,IS,MatGetSubMatrixCall,Mat*);
140 extern int MatGetSubMatrixInPlace(Mat,IS,IS);
141 extern int MatGetSubMatrices(Mat,int,IS *,IS *,MatGetSubMatrixCall,Mat **);
142 extern int MatIncreaseOverlap(Mat,int,IS *,int);
143 
144 extern int MatAXPY(Scalar *,Mat,Mat);
145 extern int MatCompress(Mat);
146 
147 /* Routines unique to particular data structures */
148 extern int MatBDiagGetData(Mat,int*,int*,int**,int**,Scalar***);
149 
150 #endif
151 
152 
153 
154