xref: /petsc/src/mat/impls/baij/seq/baij.h (revision 861218d8f08bbcfd0745d7575957ddfa2bc5d1be)
1 /* $Id: baij.h,v 1.16 1999/03/16 22:04:12 bsmith Exp bsmith $ */
2 
3 #include "src/mat/matimpl.h"
4 
5 #if !defined(__BAIJ_H)
6 #define __BAIJ_H
7 
8 /*
9   MATSEQBAIJ format - Block compressed row storage. The i[] and j[]
10   arrays start at 0.
11 */
12 
13 typedef struct {
14   int              sorted;       /* if true, rows are sorted by increasing columns */
15   int              roworiented;  /* if true, row-oriented input, default */
16   int              nonew;        /* 1 don't add new nonzeros, -1 generate error on new */
17   int              singlemalloc; /* if true a, i, and j have been obtained with
18                                         one big malloc */
19   int              m,n;          /* rows, columns */
20   int              bs,bs2;       /* block size, square of block size */
21   int              mbs,nbs;      /* rows/bs, columns/bs */
22   int              nz,maxnz;     /* nonzeros, allocated nonzeros */
23   int              *diag;        /* pointers to diagonal elements */
24   int              *i;           /* pointer to beginning of each row */
25   int              *imax;        /* maximum space allocated for each row */
26   int              *ilen;        /* actual length of each row */
27   int              *j;           /* column values: j + i[k] - 1 is start of row k */
28   MatScalar        *a;           /* nonzero elements */
29   IS               row,col,icol; /* index sets, used for reorderings */
30   Scalar           *solve_work;  /* work space used in MatSolve */
31   void             *spptr;       /* pointer for special library like SuperLU */
32   int              reallocs;     /* number of mallocs done during MatSetValues()
33                                     as more values are set then were preallocated */
34   Scalar           *mult_work;   /* work array for matrix vector product*/
35   Scalar           *saved_values;
36 } Mat_SeqBAIJ;
37 
38 extern int MatILUFactorSymbolic_SeqBAIJ(Mat,IS,IS,MatILUInfo*,Mat *);
39 extern int MatConvert_SeqBAIJ(Mat,MatType,Mat *);
40 extern int MatDuplicate_SeqBAIJ(Mat,MatDuplicateOption, Mat*);
41 extern int MatMarkDiag_SeqBAIJ(Mat);
42 
43 extern int MatLUFactorNumeric_SeqBAIJ_2_NaturalOrdering(Mat,Mat*);
44 extern int MatSolve_SeqBAIJ_2_NaturalOrdering(Mat,Vec,Vec);
45 extern int MatLUFactorNumeric_SeqBAIJ_3_NaturalOrdering(Mat,Mat*);
46 extern int MatSolve_SeqBAIJ_3_NaturalOrdering(Mat,Vec,Vec);
47 extern int MatLUFactorNumeric_SeqBAIJ_4_NaturalOrdering(Mat,Mat*);
48 extern int MatSolve_SeqBAIJ_4_NaturalOrdering(Mat,Vec,Vec);
49 extern int MatLUFactorNumeric_SeqBAIJ_5_NaturalOrdering(Mat,Mat*);
50 extern int MatSolve_SeqBAIJ_5_NaturalOrdering(Mat,Vec,Vec);
51 extern int MatLUFactorNumeric_SeqBAIJ_6_NaturalOrdering(Mat,Mat*);
52 extern int MatSolve_SeqBAIJ_6_NaturalOrdering(Mat,Vec,Vec);
53 extern int MatLUFactorNumeric_SeqBAIJ_7_NaturalOrdering(Mat,Mat*);
54 extern int MatSolve_SeqBAIJ_7_NaturalOrdering(Mat,Vec,Vec);
55 
56 
57 #endif
58