Actual source code: baij.h
1: /* $Id: baij.h,v 1.27 2000/10/24 20:25:52 bsmith Exp $ */
3: #include src/mat/matimpl.h
8: /*
9: MATSEQBAIJ format - Block compressed row storage. The i[] and j[]
10: arrays start at 0.
11: */
13: typedef struct {
14: PetscTruth sorted; /* if true, rows are sorted by increasing columns */
15: PetscTruth roworiented; /* if true, row-oriented input, default */
16: int nonew; /* 1 don't add new nonzeros, -1 generate error on new */
17: PetscTruth singlemalloc; /* if true a, i, and j have been obtained with
18: one big malloc */
19: int bs,bs2; /* block size, square of block size */
20: int mbs,nbs; /* rows/bs, columns/bs */
21: int nz,maxnz; /* nonzeros, allocated nonzeros */
22: int *diag; /* pointers to diagonal elements */
23: int *i; /* pointer to beginning of each row */
24: int *imax; /* maximum space allocated for each row */
25: int *ilen; /* actual length of each row */
26: int *j; /* column values: j + i[k] - 1 is start of row k */
27: MatScalar *a; /* nonzero elements */
28: IS row,col,icol; /* index sets, used for reorderings */
29: Scalar *solve_work; /* work space used in MatSolve */
30: void *spptr; /* pointer for special library like SuperLU */
31: int reallocs; /* number of mallocs done during MatSetValues()
32: as more values are set then were preallocated */
33: Scalar *mult_work; /* work array for matrix vector product*/
34: Scalar *saved_values;
36: PetscTruth keepzeroedrows; /* if true, MatZeroRows() will not change nonzero structure */
38: #if defined(PETSC_USE_MAT_SINGLE)
39: int setvalueslen;
40: MatScalar *setvaluescopy; /* area double precision values in MatSetValuesXXX() are copied
41: before calling MatSetValuesXXX_SeqBAIJ_MatScalar() */
42: #endif
43: } Mat_SeqBAIJ;
45: EXTERN int MatILUFactorSymbolic_SeqBAIJ(Mat,IS,IS,MatILUInfo*,Mat *);
46: EXTERN int MatDuplicate_SeqBAIJ(Mat,MatDuplicateOption,Mat*);
47: EXTERN int MatMarkDiagonal_SeqBAIJ(Mat);
49: EXTERN int MatSolve_SeqBAIJ_1_NaturalOrdering(Mat,Vec,Vec);
50: EXTERN int MatSolveTranspose_SeqBAIJ_1_NaturalOrdering(Mat,Vec,Vec);
51: EXTERN int MatLUFactorNumeric_SeqBAIJ_2_NaturalOrdering(Mat,Mat*);
52: EXTERN int MatSolve_SeqBAIJ_2_NaturalOrdering(Mat,Vec,Vec);
53: EXTERN int MatSolveTranspose_SeqBAIJ_2_NaturalOrdering(Mat,Vec,Vec);
54: EXTERN int MatLUFactorNumeric_SeqBAIJ_3_NaturalOrdering(Mat,Mat*);
55: EXTERN int MatSolve_SeqBAIJ_3_NaturalOrdering(Mat,Vec,Vec);
56: EXTERN int MatSolveTranspose_SeqBAIJ_3_NaturalOrdering(Mat,Vec,Vec);
57: EXTERN int MatLUFactorNumeric_SeqBAIJ_4_NaturalOrdering(Mat,Mat*);
58: EXTERN int MatSolve_SeqBAIJ_4_NaturalOrdering(Mat,Vec,Vec);
59: EXTERN int MatSolveTranspose_SeqBAIJ_4_NaturalOrdering(Mat,Vec,Vec);
60: EXTERN int MatLUFactorNumeric_SeqBAIJ_5_NaturalOrdering(Mat,Mat*);
61: EXTERN int MatSolve_SeqBAIJ_5_NaturalOrdering(Mat,Vec,Vec);
62: EXTERN int MatSolveTranspose_SeqBAIJ_5_NaturalOrdering(Mat,Vec,Vec);
63: EXTERN int MatLUFactorNumeric_SeqBAIJ_6_NaturalOrdering(Mat,Mat*);
64: EXTERN int MatSolve_SeqBAIJ_6_NaturalOrdering(Mat,Vec,Vec);
65: EXTERN int MatSolveTranspose_SeqBAIJ_6_NaturalOrdering(Mat,Vec,Vec);
66: EXTERN int MatLUFactorNumeric_SeqBAIJ_7_NaturalOrdering(Mat,Mat*);
67: EXTERN int MatSolve_SeqBAIJ_7_NaturalOrdering(Mat,Vec,Vec);
68: EXTERN int MatSolveTranspose_SeqBAIJ_7_NaturalOrdering(Mat,Vec,Vec);
70: #endif