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