xref: /petsc/include/petscmat.h (revision 9e25ed09632ec91e2227f4e6f1ce3bfe794e20d8)
1 /*
2      Include file for the matrix component of PETSc
3 */
4 #ifndef __MAT_PACKAGE
5 #define __MAT_PACKAGE
6 #include "vec.h"
7 
8 #define MAT_COOKIE PETSC_COOKIE+5
9 
10 typedef struct _Mat*           Mat;
11 typedef struct _MatScatterCtx* MatScatterCtx;
12 
13 
14 #define MATDENSESEQ  0
15 #define MATAIJSEQ    1
16 #define MATAIJMPI    2
17 #define MATSHELL     3
18 
19 extern int MatCreateSequentialDense(int,int,Mat*);
20 extern int MatCreateSequentialAIJ(int,int,int,int *,Mat*);
21 extern int MatCreateMPIAIJ(MPI_Comm,int,int,int,int,int,int*,int,int*,Mat*);
22 
23 extern int MatShellCreate(int,int,void *,Mat*);
24 extern int MatShellSetMult(Mat,int (*)(void*,Vec,Vec));
25 extern int MatShellSetMultTrans(Mat,int (*)(void*,Vec,Vec));
26 extern int MatShellSetMultTransAdd(Mat,int (*)(void*,Vec,Vec,Vec));
27 
28 /* ------------------------------------------------------------*/
29 extern int  MatValidMatrix(Mat);
30 
31 extern int MatSetValues(Mat,int,int*,int,int*,Scalar*,InsertMode);
32 extern int MatBeginAssembly(Mat);
33 extern int MatEndAssembly(Mat);
34 extern int MatSetOption(Mat,int);
35 #define ROW_ORIENTED              1
36 #define COLUMN_ORIENTED           2
37 #define ROWS_SORTED               4
38 #define COLUMNS_SORTED            8
39 #define NO_NEW_NONZERO_LOCATIONS  16
40 #define YES_NEW_NONZERO_LOCATIONS 32
41 
42 extern int MatGetValues(Mat,Scalar*,int,int*,int,int*);
43 extern int MatGetRow(Mat,int,int *,int **,Scalar**);
44 extern int MatRestoreRow(Mat,int,int *,int **,Scalar**);
45 extern int MatGetCol(Mat,int,int *,int **,Scalar**);
46 extern int MatRestoreCol(Mat,int,int *,int **,Scalar**);
47 
48 extern int MatMult(Mat,Vec,Vec);
49 extern int MatMultAdd(Mat,Vec,Vec,Vec);
50 extern int MatMultTrans(Mat,Vec,Vec);
51 extern int MatMultTransAdd(Mat,Vec,Vec,Vec);
52 
53 #define ORDER_NATURAL 0
54 #define ORDER_ND      1
55 #define ORDER_1WD     2
56 #define ORDER_RCM     3
57 #define ORDER_QMD     4
58 extern int MatGetReordering(Mat,int,IS*,IS*);
59 
60 extern int MatLUFactor(Mat,IS,IS);
61 extern int MatCholeskyFactor(Mat,IS);
62 extern int MatLUFactorSymbolic(Mat,IS,IS,Mat*);
63 extern int MatILUFactorSymbolic(Mat,IS,IS,int,Mat*);
64 extern int MatCholeskyFactorSymbolic(Mat,IS,Mat*);
65 extern int MatIncompleteCholeskyFactorSymbolic(Mat,IS,int,Mat*);
66 extern int MatLUFactorNumeric(Mat,Mat*);
67 extern int MatCholeskyFactorNumeric(Mat,Mat*);
68 
69 extern int MatSolve(Mat,Vec,Vec);
70 extern int MatSolveAdd(Mat,Vec,Vec,Vec);
71 extern int MatSolveTrans(Mat,Vec,Vec);
72 extern int MatSolveTransAdd(Mat,Vec,Vec,Vec);
73 
74 #define SOR_FORWARD_SWEEP            1
75 #define SOR_BACKWARD_SWEEP           2
76 #define SOR_SYMMETRIC_SWEEP          3
77 #define SOR_LOCAL_FORWARD_SWEEP      4
78 #define SOR_LOCAL_BACKWARD_SWEEP     8
79 #define SOR_LOCAL_SYMMETRIC_SWEEP    12
80 #define SOR_ZERO_INITIAL_GUESS       16
81 #define SOR_EISENSTAT                32
82 #define SOR_APPLY_UPPER              64
83 #define SOR_APPLY_LOWER              128
84 extern int MatRelax(Mat,Vec,double,int,double,int,Vec);
85 
86 extern int MatCopy(Mat,Mat*);
87 extern int MatView(Mat,Viewer);
88 #include <stdio.h>
89 extern int MatPrintMatlab(Mat,FILE*,char *);
90 extern int MatNonZeros(Mat,int*);
91 extern int MatMemoryUsed(Mat,int*);
92 extern int MatGetDiagonal(Mat,Vec);
93 extern int MatTranspose(Mat);
94 extern int MatScale(Mat,Vec,Vec);
95 extern int MatShrink(Mat,int,int*,int,int*);
96 extern int MatEqual(Mat,Mat);
97 extern int MatScatterBegin(Mat,IS,IS,Mat,IS,IS,InsertMode,MatScatterCtx*);
98 extern int MatScatterEnd(Mat,IS,IS,Mat,IS,IS,InsertMode,MatScatterCtx*);
99 extern int MatReOrder(Mat,IS,IS);
100 
101 #define NORM_1         1
102 #define NORM_2         2
103 #define NORM_FROBENIUS 3
104 #define NORM_INFINITY  4
105 extern int MatNorm(Mat,int,double *);
106 
107 extern int MatZeroEntries(Mat);
108 extern int MatZeroRows(Mat,IS,Scalar*);
109 extern int MatZeroColumns(Mat,IS,Scalar*);
110 
111 extern int MatCompress(Mat);
112 extern int MatDestroy(Mat);
113 
114 extern int MatGetSize(Mat,int*,int*);
115 extern int MatGetLocalSize(Mat,int*,int*);
116 extern int MatGetOwnershipRange(Mat,int*,int*);
117 
118 extern int MatCreateInitialMatrix(int,int,Mat*);
119 
120 
121 
122 
123 #endif
124 
125 
126