1 /* $Id: baij.h,v 1.26 2000/09/06 18:34:16 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 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; 35 36 PetscTruth keepzeroedrows; /* if true, MatZeroRows() will not change nonzero structure */ 37 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; 44 45 EXTERN int MatILUFactorSymbolic_SeqBAIJ(Mat,IS,IS,MatILUInfo*,Mat *); 46 EXTERN int MatDuplicate_SeqBAIJ(Mat,MatDuplicateOption,Mat*); 47 EXTERN int MatMarkDiagonal_SeqBAIJ(Mat); 48 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); 69 70 #endif 71