xref: /petsc/src/mat/impls/sbaij/seq/sbaij.h (revision d44834fb5aa6ab55eaa2e18f09dfd00e40aa4639)
1 
2 #if !defined(__SBAIJ_H)
3 #define __SBAIJ_H
4 #include "src/mat/matimpl.h"
5 #include "src/mat/impls/baij/seq/baij.h"
6 
7 /*
8   MATSEQSBAIJ format - Block compressed row storage. The i[] and j[]
9   arrays start at 0.
10 */
11 
12 typedef struct {
13   SEQBAIJHEADER
14 
15   PetscInt         *inew;        /* pointer to beginning of each row of reordered matrix */
16   PetscInt         *jnew;        /* column values: jnew + i[k] is start of row k */
17   MatScalar        *anew;        /* nonzero diagonal and superdiagonal elements of reordered matrix */
18   PetscScalar      *solves_work; /* work space used in MatSolves */
19   PetscInt         solves_work_n;/* size of solves_work */
20   PetscInt         *a2anew;        /* map used for symm permutation */
21   PetscTruth       permute;        /* if true, a non-trivial permutation is used for factorization */
22 
23   /* carry MatFactorInfo from symbolic factor to numeric factor */
24   PetscInt         factor_levels;
25   PetscReal        factor_damping;
26   PetscReal        factor_shift;
27   PetscReal        factor_zeropivot;
28 } Mat_SeqSBAIJ;
29 
30 EXTERN PetscErrorCode MatICCFactorSymbolic_SeqSBAIJ(Mat,IS,MatFactorInfo*,Mat *);
31 EXTERN PetscErrorCode MatDuplicate_SeqSBAIJ(Mat,MatDuplicateOption,Mat*);
32 EXTERN PetscErrorCode MatMarkDiagonal_SeqSBAIJ(Mat);
33 
34 EXTERN PetscErrorCode MatCholeskyFactorNumeric_SeqSBAIJ_1_NaturalOrdering(Mat,Mat*);
35 EXTERN PetscErrorCode MatSolve_SeqSBAIJ_1_NaturalOrdering(Mat,Vec,Vec);
36 
37 EXTERN PetscErrorCode MatCholeskyFactorNumeric_SeqSBAIJ_2_NaturalOrdering(Mat,Mat*);
38 EXTERN PetscErrorCode MatSolve_SeqSBAIJ_2_NaturalOrdering(Mat,Vec,Vec);
39 
40 EXTERN PetscErrorCode MatCholeskyFactorNumeric_SeqSBAIJ_3_NaturalOrdering(Mat,Mat*);
41 EXTERN PetscErrorCode MatSolve_SeqSBAIJ_3_NaturalOrdering(Mat,Vec,Vec);
42 
43 EXTERN PetscErrorCode MatCholeskyFactorNumeric_SeqSBAIJ_4_NaturalOrdering(Mat,Mat*);
44 EXTERN PetscErrorCode MatSolve_SeqSBAIJ_4_NaturalOrdering(Mat,Vec,Vec);
45 
46 EXTERN PetscErrorCode MatCholeskyFactorNumeric_SeqSBAIJ_5_NaturalOrdering(Mat,Mat*);
47 EXTERN PetscErrorCode MatSolve_SeqSBAIJ_5_NaturalOrdering(Mat,Vec,Vec);
48 
49 EXTERN PetscErrorCode MatCholeskyFactorNumeric_SeqSBAIJ_6_NaturalOrdering(Mat,Mat*);
50 EXTERN PetscErrorCode MatSolve_SeqSBAIJ_6_NaturalOrdering(Mat,Vec,Vec);
51 
52 EXTERN PetscErrorCode MatCholeskyFactorNumeric_SeqSBAIJ_7_NaturalOrdering(Mat,Mat*);
53 EXTERN PetscErrorCode MatSolve_SeqSBAIJ_7_NaturalOrdering(Mat,Vec,Vec);
54 
55 EXTERN PetscErrorCode MatCholeskyFactorNumeric_SeqSBAIJ_N_NaturalOrdering(Mat,Mat*);
56 EXTERN PetscErrorCode MatSolve_SeqSBAIJ_N_NaturalOrdering(Mat,Vec,Vec);
57 
58 EXTERN PetscErrorCode MatRelax_SeqSBAIJ(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec);
59 EXTERN PetscErrorCode MatLoad_SeqSBAIJ(PetscViewer,const MatType,Mat*);
60 
61 #endif
62