xref: /petsc/src/mat/impls/sbaij/seq/sbaij.h (revision b16c9716c7ee117c1bdbf53e3906e59a83d83e2f)
1*b16c9716SHong Zhang /* $Id: sbaij.h,v 1.1 2000/06/21 15:47:04 balay Exp hzhang $ */
249b5e25fSSatish Balay 
349b5e25fSSatish Balay #include "src/mat/matimpl.h"
449b5e25fSSatish Balay 
549b5e25fSSatish Balay #if !defined(__SBAIJ_H)
649b5e25fSSatish Balay #define __SBAIJ_H
749b5e25fSSatish Balay 
849b5e25fSSatish Balay /*
949b5e25fSSatish Balay   MATSEQSBAIJ format - Block compressed row storage. The i[] and j[]
1049b5e25fSSatish Balay   arrays start at 0.
1149b5e25fSSatish Balay */
1249b5e25fSSatish Balay 
1349b5e25fSSatish Balay typedef struct {
1449b5e25fSSatish Balay   PetscTruth       sorted;       /* if true, rows are sorted by increasing columns */
1549b5e25fSSatish Balay   PetscTruth       roworiented;  /* if true, row-oriented input, default */
1649b5e25fSSatish Balay   int              nonew;        /* 1 don't add new nonzeros, -1 generate error on new */
1749b5e25fSSatish Balay   PetscTruth       singlemalloc; /* if true a, i, and j have been obtained with
1849b5e25fSSatish Balay                                         one big malloc */
1949b5e25fSSatish Balay   int              m,n;          /* rows or columns */
2049b5e25fSSatish Balay   int              bs,bs2;       /* block size, square of block size */
2149b5e25fSSatish Balay   int              mbs,nbs;      /* rows/bs or columns/bs */
2249b5e25fSSatish Balay   int              s_nz,s_maxnz; /* total diagonal and superdiagonal nonzero blocks,
2349b5e25fSSatish Balay                                     total allocated diagonal and superdiagonal nonzero blocks*/
2449b5e25fSSatish Balay   int              *diag;        /* pointers to diagonal elements */
2549b5e25fSSatish Balay   int              *i;           /* pointer to beginning of each row */
2649b5e25fSSatish Balay   int              *imax;        /* maximum space allocated for each row */
2749b5e25fSSatish Balay   int              *ilen;        /* actual length of each row */
2849b5e25fSSatish Balay   int              *j;           /* column values: j + i[k] is start of row k */
2949b5e25fSSatish Balay   MatScalar        *a;           /* nonzero diagonal and subdiagonal elements */
3049b5e25fSSatish Balay   IS               row,col,icol; /* index sets, used for reorderings */
3149b5e25fSSatish Balay   Scalar           *solve_work;  /* work space used in MatSolve */
3249b5e25fSSatish Balay   void             *spptr;       /* pointer for special library like SuperLU */
3349b5e25fSSatish Balay   int              reallocs;     /* number of mallocs done during MatSetValues()
3449b5e25fSSatish Balay                                     as more values are set then were preallocated */
3549b5e25fSSatish Balay   Scalar           *mult_work;   /* work array for matrix vector product*/
3649b5e25fSSatish Balay   Scalar           *saved_values;
3749b5e25fSSatish Balay 
3849b5e25fSSatish Balay   PetscTruth       keepzeroedrows; /* if true, MatZeroRows() will not change nonzero structure */
3949b5e25fSSatish Balay } Mat_SeqSBAIJ;
4049b5e25fSSatish Balay 
4149b5e25fSSatish Balay extern int MatILUFactorSymbolic_SeqSBAIJ(Mat,IS,IS,MatILUInfo*,Mat *);
4249b5e25fSSatish Balay extern int MatConvert_SeqSBAIJ(Mat,MatType,Mat *);
4349b5e25fSSatish Balay extern int MatDuplicate_SeqSBAIJ(Mat,MatDuplicateOption,Mat*);
4449b5e25fSSatish Balay extern int MatMarkDiagonal_SeqSBAIJ(Mat);
4549b5e25fSSatish Balay 
4649b5e25fSSatish Balay extern int MatSolveTranspose_SeqSBAIJ_1_NaturalOrdering(Mat,Vec,Vec);
4749b5e25fSSatish Balay extern int MatLUFactorNumeric_SeqSBAIJ_2_NaturalOrdering(Mat,Mat*);
4849b5e25fSSatish Balay extern int MatSolve_SeqSBAIJ_2_NaturalOrdering(Mat,Vec,Vec);
4949b5e25fSSatish Balay extern int MatSolveTranspose_SeqSBAIJ_2_NaturalOrdering(Mat,Vec,Vec);
5049b5e25fSSatish Balay extern int MatLUFactorNumeric_SeqSBAIJ_3_NaturalOrdering(Mat,Mat*);
5149b5e25fSSatish Balay extern int MatSolve_SeqSBAIJ_3_NaturalOrdering(Mat,Vec,Vec);
5249b5e25fSSatish Balay extern int MatSolveTranspose_SeqSBAIJ_3_NaturalOrdering(Mat,Vec,Vec);
5349b5e25fSSatish Balay extern int MatLUFactorNumeric_SeqSBAIJ_4_NaturalOrdering(Mat,Mat*);
5449b5e25fSSatish Balay extern int MatSolve_SeqSBAIJ_4_NaturalOrdering(Mat,Vec,Vec);
5549b5e25fSSatish Balay extern int MatSolveTranspose_SeqSBAIJ_4_NaturalOrdering(Mat,Vec,Vec);
5649b5e25fSSatish Balay extern int MatLUFactorNumeric_SeqSBAIJ_5_NaturalOrdering(Mat,Mat*);
5749b5e25fSSatish Balay extern int MatSolve_SeqSBAIJ_5_NaturalOrdering(Mat,Vec,Vec);
5849b5e25fSSatish Balay extern int MatSolveTranspose_SeqSBAIJ_5_NaturalOrdering(Mat,Vec,Vec);
5949b5e25fSSatish Balay extern int MatLUFactorNumeric_SeqSBAIJ_6_NaturalOrdering(Mat,Mat*);
6049b5e25fSSatish Balay extern int MatSolve_SeqSBAIJ_6_NaturalOrdering(Mat,Vec,Vec);
6149b5e25fSSatish Balay extern int MatSolveTranspose_SeqSBAIJ_6_NaturalOrdering(Mat,Vec,Vec);
6249b5e25fSSatish Balay extern int MatLUFactorNumeric_SeqSBAIJ_7_NaturalOrdering(Mat,Mat*);
6349b5e25fSSatish Balay extern int MatSolve_SeqSBAIJ_7_NaturalOrdering(Mat,Vec,Vec);
6449b5e25fSSatish Balay extern int MatSolveTranspose_SeqSBAIJ_7_NaturalOrdering(Mat,Vec,Vec);
6549b5e25fSSatish Balay 
66*b16c9716SHong Zhang extern int MatReordering SeqSBAIJ(Mat,IS);
6749b5e25fSSatish Balay /*
6849b5e25fSSatish Balay extern int MatCreateSeqSBAIJ(MPI_Comm,int,int,int,int,int*,Mat*);
6949b5e25fSSatish Balay extern int MatSetValuesBlocked_SeqSBAIJ(Mat,int,int*,int,int*,Scalar*,InsertMode);
7049b5e25fSSatish Balay */
7149b5e25fSSatish Balay #endif
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