1 /* $Id: sbaij.h,v 1.6 2000/07/26 14:12:30 hzhang Exp hzhang $ */ 2 3 #include "src/mat/matimpl.h" 4 5 #if !defined(__SBAIJ_H) 6 #define __SBAIJ_H 7 8 /* 9 MATSEQSBAIJ format - Block compressed row storage. The i[] and j[] 10 arrays start at 0. 11 */ 12 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 m,n; /* rows or columns */ 20 int bs,bs2; /* block size, square of block size */ 21 int mbs,nbs; /* rows/bs or columns/bs */ 22 int s_nz,s_maxnz; /* total diagonal and superdiagonal nonzero blocks, 23 total allocated diagonal and superdiagonal nonzero blocks*/ 24 int *diag; /* pointers to diagonal elements */ 25 int *i; /* pointer to beginning of each row */ 26 int *imax; /* maximum space allocated for each row */ 27 int *ilen; /* actual length of each row */ 28 int *j; /* column values: j + i[k] is start of row k */ 29 MatScalar *a; /* nonzero diagonal and subdiagonal elements */ 30 IS row,icol; /* index sets, used for reorderings */ 31 Scalar *solve_work; /* work space used in MatSolve */ 32 void *spptr; /* pointer for special library like SuperLU */ 33 int reallocs; /* number of mallocs done during MatSetValues() 34 as more values are set then were preallocated */ 35 Scalar *mult_work; /* work array for matrix vector product*/ 36 Scalar *saved_values; 37 38 PetscTruth keepzeroedrows; /* if true, MatZeroRows() will not change nonzero structure */ 39 } Mat_SeqSBAIJ; 40 41 extern int MatIncompleteCholeskyFactorSymbolic_SeqSBAIJ(Mat,IS,PetscReal,int,Mat *); 42 extern int MatConvert_SeqSBAIJ(Mat,MatType,Mat *); 43 extern int MatDuplicate_SeqSBAIJ(Mat,MatDuplicateOption,Mat*); 44 extern int MatMarkDiagonal_SeqSBAIJ(Mat); 45 46 extern int MatSolveTranspose_SeqSBAIJ_1_NaturalOrdering(Mat,Vec,Vec); 47 extern int MatCholeskyFactorNumeric_SeqSBAIJ_2_NaturalOrdering(Mat,Mat*); 48 extern int MatSolve_SeqSBAIJ_2_NaturalOrdering(Mat,Vec,Vec); 49 extern int MatSolveTranspose_SeqSBAIJ_2_NaturalOrdering(Mat,Vec,Vec); 50 extern int MatCholeskyFactorNumeric_SeqSBAIJ_3_NaturalOrdering(Mat,Mat*); 51 extern int MatSolve_SeqSBAIJ_3_NaturalOrdering(Mat,Vec,Vec); 52 extern int MatSolveTranspose_SeqSBAIJ_3_NaturalOrdering(Mat,Vec,Vec); 53 extern int MatCholeskyFactorNumeric_SeqSBAIJ_4_NaturalOrdering(Mat,Mat*); 54 extern int MatSolve_SeqSBAIJ_4_NaturalOrdering(Mat,Vec,Vec); 55 extern int MatSolveTranspose_SeqSBAIJ_4_NaturalOrdering(Mat,Vec,Vec); 56 extern int MatCholeskyFactorNumeric_SeqSBAIJ_5_NaturalOrdering(Mat,Mat*); 57 extern int MatSolve_SeqSBAIJ_5_NaturalOrdering(Mat,Vec,Vec); 58 extern int MatSolveTranspose_SeqSBAIJ_5_NaturalOrdering(Mat,Vec,Vec); 59 extern int MatCholeskyFactorNumeric_SeqSBAIJ_6_NaturalOrdering(Mat,Mat*); 60 extern int MatSolve_SeqSBAIJ_6_NaturalOrdering(Mat,Vec,Vec); 61 extern int MatSolveTranspose_SeqSBAIJ_6_NaturalOrdering(Mat,Vec,Vec); 62 extern int MatCholeskyFactorNumeric_SeqSBAIJ_7_NaturalOrdering(Mat,Mat*); 63 extern int MatSolve_SeqSBAIJ_7_NaturalOrdering(Mat,Vec,Vec); 64 extern int MatSolveTranspose_SeqSBAIJ_7_NaturalOrdering(Mat,Vec,Vec); 65 66 extern int MatReorderingSeqSBAIJ(Mat,IS); 67 68 #endif 69