xref: /petsc/include/petscmat.h (revision bcd2baec2099d24a3a9d1d6033b0e7e45ccc83b9)
1 /* $Id: mat.h,v 1.97 1996/03/07 01:43:07 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                MATMPIROWBS, MATSEQBDIAG, MATMPIBDIAG,
15                MATMPIDENSE, MATSEQBAIJ } 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 MatCreateMPIRowbs(MPI_Comm,int,int,int,int*,void*,Mat*);
23 extern int MatCreateSeqBDiag(MPI_Comm,int,int,int,int,int*,Scalar**,Mat*);
24 extern int MatCreateMPIBDiag(MPI_Comm,int,int,int,int,int,int*,Scalar**,Mat*);
25 extern int MatCreateSeqBAIJ(MPI_Comm,int,int,int,int,int*,Mat*);
26 
27 extern int MatDestroy(Mat);
28 
29 extern int MatCreateShell(MPI_Comm,int,int,void *,Mat*);
30 extern int MatShellGetContext(Mat,void **);
31 extern int MatShellSetMult(Mat,int (*)(void*,Vec,Vec));
32 extern int MatShellSetDestroy(Mat,int (*)(void*));
33 extern int MatShellSetMultTrans(Mat,int (*)(void*,Vec,Vec));
34 extern int MatShellSetMultTransAdd(Mat,int (*)(void*,Vec,Vec,Vec));
35 
36 extern int MatPrintHelp(Mat);
37 
38 /* ------------------------------------------------------------*/
39 extern int MatSetValues(Mat,int,int*,int,int*,Scalar*,InsertMode);
40 typedef enum {FLUSH_ASSEMBLY=1,FINAL_ASSEMBLY=0} MatAssemblyType;
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 extern int MatSetOption(Mat,MatOption);
51 extern int MatGetType(Mat,MatType*,char**);
52 extern int MatGetFormatFromOptions(MPI_Comm,char*,MatType*,int*);
53 extern int MatGetValues(Mat,int,int*,int,int*,Scalar*);
54 extern int MatGetRow(Mat,int,int *,int **,Scalar**);
55 extern int MatRestoreRow(Mat,int,int *,int **,Scalar**);
56 extern int MatGetCol(Mat,int,int *,int **,Scalar**);
57 extern int MatRestoreCol(Mat,int,int *,int **,Scalar**);
58 extern int MatGetArray(Mat,Scalar **);
59 extern int MatRestoreArray(Mat,Scalar **);
60 
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 extern int MatConvert(Mat,MatType,Mat*);
67 extern int MatCopy(Mat,Mat);
68 extern int MatView(Mat,Viewer);
69 extern int MatLoad(Viewer,MatType,Mat*);
70 
71 typedef enum {MAT_LOCAL=1,MAT_GLOBAL_MAX=2,MAT_GLOBAL_SUM=3} MatInfoType;
72 extern int MatGetInfo(Mat,MatInfoType,int*,int*,int*);
73 extern int MatValidMatrix(Mat,int*);
74 extern int MatGetDiagonal(Mat,Vec);
75 extern int MatTranspose(Mat,Mat*);
76 extern int MatDiagonalScale(Mat,Vec,Vec);
77 extern int MatDiagonalShift(Mat,Vec);
78 extern int MatEqual(Mat,Mat, int*);
79 
80 extern int MatNorm(Mat,NormType,double *);
81 extern int MatZeroEntries(Mat);
82 extern int MatZeroRows(Mat,IS,Scalar*);
83 extern int MatZeroColumns(Mat,IS,Scalar*);
84 
85 extern int MatGetSize(Mat,int*,int*);
86 extern int MatGetLocalSize(Mat,int*,int*);
87 extern int MatGetOwnershipRange(Mat,int*,int*);
88 
89 typedef enum {MAT_INITIAL_MATRIX, MAT_REUSE_MATRIX} MatGetSubMatrixCall;
90 extern int MatGetSubMatrix(Mat,IS,IS,MatGetSubMatrixCall,Mat*);
91 extern int MatGetSubMatrixInPlace(Mat,IS,IS);
92 extern int MatGetSubMatrices(Mat,int,IS *,IS *,MatGetSubMatrixCall,Mat **);
93 extern int MatIncreaseOverlap(Mat,int,IS *,int);
94 
95 extern int MatAXPY(Scalar *,Mat,Mat);
96 extern int MatCompress(Mat);
97 
98 extern int MatScale(Scalar *,Mat);
99 extern int MatShift(Scalar *,Mat);
100 
101 /* Routines unique to particular data structures */
102 extern int MatBDiagGetData(Mat,int*,int*,int**,int**,Scalar***);
103 
104 /*
105   These routines are not usually accessed directly, rather solving is
106   done through the SLES, KSP and PC interfaces.
107 */
108 
109 typedef enum {ORDER_NATURAL=0,ORDER_ND=1,ORDER_1WD=2,
110               ORDER_RCM=3,ORDER_QMD=4,ORDER_ROWLENGTH=5,ORDER_APPLICATION_1,
111               ORDER_APPLICATION_2} MatOrdering;
112 extern int MatGetReordering(Mat,MatOrdering,IS*,IS*);
113 extern int MatGetReorderingTypeFromOptions(char *,MatOrdering*);
114 extern int MatReorderForNonzeroDiagonal(Mat,double,IS,IS);
115 extern int MatReorderingRegister(MatOrdering *,char*,PetscTruth,int,
116                                  int (*)(int*,int*,int*,int*,int*));
117 extern int MatReorderingRegisterAll();
118 extern int MatReorderingRegisterDestroy();
119 extern int MatReorderingGetName(MatOrdering,char **);
120 extern PetscTruth MatReorderingRequiresSymmetric[];
121 extern int MatReorderingIndexShift[];
122 
123 extern int MatLUFactor(Mat,IS,IS,double);
124 extern int MatILUFactor(Mat,IS,IS,double,int);
125 extern int MatCholeskyFactor(Mat,IS,double);
126 extern int MatLUFactorSymbolic(Mat,IS,IS,double,Mat*);
127 extern int MatILUFactorSymbolic(Mat,IS,IS,double,int,Mat*);
128 extern int MatCholeskyFactorSymbolic(Mat,IS,double,Mat*);
129 extern int MatIncompleteCholeskyFactorSymbolic(Mat,IS,double,int,Mat*);
130 extern int MatLUFactorNumeric(Mat,Mat*);
131 extern int MatCholeskyFactorNumeric(Mat,Mat*);
132 
133 extern int MatSolve(Mat,Vec,Vec);
134 extern int MatForwardSolve(Mat,Vec,Vec);
135 extern int MatBackwardSolve(Mat,Vec,Vec);
136 extern int MatSolveAdd(Mat,Vec,Vec,Vec);
137 extern int MatSolveTrans(Mat,Vec,Vec);
138 extern int MatSolveTransAdd(Mat,Vec,Vec,Vec);
139 
140 typedef enum {SOR_FORWARD_SWEEP=1,SOR_BACKWARD_SWEEP=2,SOR_SYMMETRIC_SWEEP=3,
141               SOR_LOCAL_FORWARD_SWEEP=4,SOR_LOCAL_BACKWARD_SWEEP=8,
142               SOR_LOCAL_SYMMETRIC_SWEEP=12,SOR_ZERO_INITIAL_GUESS=16,
143               SOR_EISENSTAT=32,SOR_APPLY_UPPER=64,SOR_APPLY_LOWER=128
144               } MatSORType;
145 extern int MatRelax(Mat,Vec,double,MatSORType,double,int,Vec);
146 
147 typedef enum { MAT_GET_DIAGONAL=17 } MatOperation;
148 extern int MatHasOperation(Mat,MatOperation,PetscTruth*);
149 
150 /*  Not currently supported!
151 #define MAT_SCATTER_COOKIE PETSC_COOKIE+15
152 typedef struct _MatScatter* MatScatter;
153 
154 extern int MatScatterBegin(Mat,Mat,InsertMode,MatScatter);
155 extern int MatScatterEnd(Mat,Mat,InsertMode,MatScatter);
156 extern int MatScatterCreate(Mat,IS,IS,Mat,IS,IS,MatScatter*);
157 extern int MatScatterDestroy(MatScatter);
158 */
159 
160 #endif
161 
162 
163 
164