1 2 #if !defined(__AIJ_H) 3 #define __AIJ_H 4 5 #include "include/private/matimpl.h" 6 /* 7 Struct header shared by SeqAIJ, SeqBAIJ and SeqSBAIJ matrix formats 8 */ 9 #define SEQAIJHEADER(datatype) \ 10 PetscTruth roworiented; /* if true, row-oriented input, default */\ 11 PetscInt nonew; /* 1 don't add new nonzeros, -1 generate error on new */\ 12 PetscTruth singlemalloc; /* if true a, i, and j have been obtained with one big malloc */\ 13 PetscInt maxnz; /* allocated nonzeros */\ 14 PetscInt *imax; /* maximum space allocated for each row */\ 15 PetscInt *ilen; /* actual length of each row */\ 16 PetscInt reallocs; /* number of mallocs done during MatSetValues() \ 17 as more values are set than were prealloced */\ 18 PetscInt rmax; /* max nonzeros in any row */\ 19 PetscTruth keepzeroedrows; /* keeps matrix structure same in calls to MatZeroRows()*/\ 20 PetscTruth ignorezeroentries; \ 21 PetscInt *xtoy,*xtoyB; /* map nonzero pattern of X into Y's, used by MatAXPY() */\ 22 Mat XtoY; /* used by MatAXPY() */\ 23 PetscTruth free_ij; /* free the column indices j and row offsets i when the matrix is destroyed */ \ 24 PetscTruth free_a; /* free the numerical values when matrix is destroy */ \ 25 Mat_CompressedRow compressedrow; /* use compressed row format */ \ 26 PetscInt nz; /* nonzeros */ \ 27 PetscInt *i; /* pointer to beginning of each row */ \ 28 PetscInt *j; /* column values: j + i[k] - 1 is start of row k */ \ 29 PetscInt *diag; /* pointers to diagonal elements */ \ 30 datatype *a; /* nonzero elements */ \ 31 PetscScalar *solve_work; /* work space used in MatSolve */ \ 32 IS row, col, icol /* index sets, used for reorderings */ 33 34 /* 35 MATSEQAIJ format - Compressed row storage (also called Yale sparse matrix 36 format) or compressed sparse row (CSR). The i[] and j[] arrays start at 0. For example, 37 j[i[k]+p] is the pth column in row k. Note that the diagonal 38 matrix elements are stored with the rest of the nonzeros (not separately). 39 */ 40 41 /* Info about i-nodes (identical nodes) helper class for SeqAIJ */ 42 typedef struct { 43 MatScalar *bdiag,*ibdiag; /* diagonal blocks of matrix used for MatRelax_Inode() */ 44 PetscInt bdiagsize; /* length of bdiag and ibdiag */ 45 PetscTruth ibdiagvalid; /* do ibdiag[] and bdiag[] contain the most recent values */ 46 47 PetscTruth use; 48 PetscInt node_count; /* number of inodes */ 49 PetscInt *size; /* size of each inode */ 50 PetscInt limit; /* inode limit */ 51 PetscInt max_limit; /* maximum supported inode limit */ 52 PetscTruth checked; /* if inodes have been checked for */ 53 } Mat_Inode; 54 55 EXTERN PetscErrorCode MatView_Inode(Mat,PetscViewer); 56 EXTERN PetscErrorCode MatAssemblyEnd_Inode(Mat,MatAssemblyType); 57 EXTERN PetscErrorCode MatDestroy_Inode(Mat); 58 EXTERN PetscErrorCode MatCreate_Inode(Mat); 59 EXTERN PetscErrorCode MatSetOption_Inode(Mat,MatOption,PetscTruth); 60 EXTERN PetscErrorCode MatDuplicate_Inode(Mat A,MatDuplicateOption cpvalues,Mat *B); 61 EXTERN PetscErrorCode MatILUDTFactor_Inode(Mat A,IS isrow,IS iscol,MatFactorInfo *info,Mat *fact); 62 EXTERN PetscErrorCode MatLUFactorSymbolic_Inode(Mat A,IS isrow,IS iscol,MatFactorInfo *info,Mat *fact); 63 EXTERN PetscErrorCode MatILUFactorSymbolic_Inode(Mat A,IS isrow,IS iscol,MatFactorInfo *info,Mat *fact); 64 65 66 typedef struct { 67 SEQAIJHEADER(MatScalar); 68 Mat_Inode inode; 69 MatScalar *saved_values; /* location for stashing nonzero values of matrix */ 70 71 PetscScalar *idiag,*mdiag,*ssor_work; /* inverse of diagonal entries, diagonal values and workspace for Eisenstat trick */ 72 PetscTruth idiagvalid; /* current idiag[] and mdiag[] are valid */ 73 PetscScalar fshift,omega; /* last used omega and fshift */ 74 75 ISColoring coloring; /* set with MatADSetColoring() used by MatADSetValues() */ 76 } Mat_SeqAIJ; 77 78 /* 79 Frees the a, i, and j arrays from the XAIJ (AIJ, BAIJ, and SBAIJ) matrix types 80 */ 81 #undef __FUNCT__ 82 #define __FUNCT__ "MatSeqXAIJFreeAIJ" 83 PETSC_STATIC_INLINE PetscErrorCode MatSeqXAIJFreeAIJ(Mat AA,MatScalar **a,PetscInt **j,PetscInt **i) { 84 PetscErrorCode ierr; 85 Mat_SeqAIJ *A = (Mat_SeqAIJ*) AA->data; 86 if (A->singlemalloc) { 87 ierr = PetscFree3(*a,*j,*i);CHKERRQ(ierr); 88 } else { 89 if (A->free_a && *a) {ierr = PetscFree(*a);CHKERRQ(ierr);} 90 if (A->free_ij && *j) {ierr = PetscFree(*j);CHKERRQ(ierr);} 91 if (A->free_ij && *i) {ierr = PetscFree(*i);CHKERRQ(ierr);} 92 } 93 *a = 0; *j = 0; *i = 0; 94 return 0; 95 } 96 97 /* 98 Allocates larger a, i, and j arrays for the XAIJ (AIJ, BAIJ, and SBAIJ) matrix types 99 */ 100 #define MatSeqXAIJReallocateAIJ(Amat,AM,BS2,NROW,ROW,COL,RMAX,AA,AI,AJ,RP,AP,AIMAX,NONEW,datatype) \ 101 if (NROW >= RMAX) {\ 102 Mat_SeqAIJ *Ain = (Mat_SeqAIJ*)Amat->data;\ 103 /* there is no extra room in row, therefore enlarge */ \ 104 PetscInt new_nz = AI[AM] + CHUNKSIZE,len,*new_i=0,*new_j=0; \ 105 datatype *new_a; \ 106 \ 107 if (NONEW == -2) SETERRQ2(PETSC_ERR_ARG_OUTOFRANGE,"New nonzero at (%D,%D) caused a malloc",ROW,COL); \ 108 /* malloc new storage space */ \ 109 ierr = PetscMalloc3(BS2*new_nz,datatype,&new_a,new_nz,PetscInt,&new_j,AM+1,PetscInt,&new_i);CHKERRQ(ierr);\ 110 \ 111 /* copy over old data into new slots */ \ 112 for (ii=0; ii<ROW+1; ii++) {new_i[ii] = AI[ii];} \ 113 for (ii=ROW+1; ii<AM+1; ii++) {new_i[ii] = AI[ii]+CHUNKSIZE;} \ 114 ierr = PetscMemcpy(new_j,AJ,(AI[ROW]+NROW)*sizeof(PetscInt));CHKERRQ(ierr); \ 115 len = (new_nz - CHUNKSIZE - AI[ROW] - NROW); \ 116 ierr = PetscMemcpy(new_j+AI[ROW]+NROW+CHUNKSIZE,AJ+AI[ROW]+NROW,len*sizeof(PetscInt));CHKERRQ(ierr); \ 117 ierr = PetscMemcpy(new_a,AA,BS2*(AI[ROW]+NROW)*sizeof(datatype));CHKERRQ(ierr); \ 118 ierr = PetscMemzero(new_a+BS2*(AI[ROW]+NROW),BS2*CHUNKSIZE*sizeof(datatype));CHKERRQ(ierr);\ 119 ierr = PetscMemcpy(new_a+BS2*(AI[ROW]+NROW+CHUNKSIZE),AA+BS2*(AI[ROW]+NROW),BS2*len*sizeof(datatype));CHKERRQ(ierr); \ 120 /* free up old matrix storage */ \ 121 ierr = MatSeqXAIJFreeAIJ(A,&Ain->a,&Ain->j,&Ain->i);CHKERRQ(ierr);\ 122 AA = new_a; \ 123 Ain->a = (MatScalar*) new_a; \ 124 AI = Ain->i = new_i; AJ = Ain->j = new_j; \ 125 Ain->singlemalloc = PETSC_TRUE; \ 126 \ 127 RP = AJ + AI[ROW]; AP = AA + BS2*AI[ROW]; \ 128 RMAX = AIMAX[ROW] = AIMAX[ROW] + CHUNKSIZE; \ 129 Ain->maxnz += CHUNKSIZE; \ 130 Ain->reallocs++; \ 131 } \ 132 133 EXTERN_C_BEGIN 134 EXTERN PetscErrorCode MatSeqAIJSetPreallocation_SeqAIJ(Mat,PetscInt,PetscInt*); 135 EXTERN_C_END 136 EXTERN PetscErrorCode MatILUFactorSymbolic_SeqAIJ(Mat,IS,IS,MatFactorInfo*,Mat *); 137 EXTERN PetscErrorCode MatICCFactorSymbolic_SeqAIJ(Mat,IS,MatFactorInfo*,Mat *); 138 EXTERN PetscErrorCode MatCholeskyFactorSymbolic_SeqAIJ(Mat,IS,MatFactorInfo*,Mat*); 139 EXTERN PetscErrorCode MatCholeskyFactorNumeric_SeqAIJ(Mat,MatFactorInfo*,Mat*); 140 EXTERN PetscErrorCode MatDuplicate_SeqAIJ(Mat,MatDuplicateOption,Mat*); 141 EXTERN PetscErrorCode MatMissingDiagonal_SeqAIJ(Mat,PetscTruth*,PetscInt*); 142 EXTERN PetscErrorCode MatMarkDiagonal_SeqAIJ(Mat); 143 144 EXTERN PetscErrorCode MatMult_SeqAIJ(Mat A,Vec,Vec); 145 EXTERN PetscErrorCode MatMultAdd_SeqAIJ(Mat A,Vec,Vec,Vec); 146 EXTERN PetscErrorCode MatMultTranspose_SeqAIJ(Mat A,Vec,Vec); 147 EXTERN PetscErrorCode MatMultTransposeAdd_SeqAIJ(Mat A,Vec,Vec,Vec); 148 EXTERN PetscErrorCode MatRelax_SeqAIJ(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec); 149 150 EXTERN PetscErrorCode MatSetColoring_SeqAIJ(Mat,ISColoring); 151 EXTERN PetscErrorCode MatSetValuesAdic_SeqAIJ(Mat,void*); 152 EXTERN PetscErrorCode MatSetValuesAdifor_SeqAIJ(Mat,PetscInt,void*); 153 154 EXTERN PetscErrorCode MatGetSymbolicTranspose_SeqAIJ(Mat,PetscInt *[],PetscInt *[]); 155 EXTERN PetscErrorCode MatGetSymbolicTransposeReduced_SeqAIJ(Mat,PetscInt,PetscInt,PetscInt *[],PetscInt *[]); 156 EXTERN PetscErrorCode MatRestoreSymbolicTranspose_SeqAIJ(Mat,PetscInt *[],PetscInt *[]); 157 EXTERN PetscErrorCode MatToSymmetricIJ_SeqAIJ(PetscInt,PetscInt*,PetscInt*,PetscInt,PetscInt,PetscInt**,PetscInt**); 158 EXTERN PetscErrorCode MatLUFactorSymbolic_SeqAIJ(Mat,IS,IS,MatFactorInfo*,Mat*); 159 EXTERN PetscErrorCode MatLUFactorNumeric_SeqAIJ(Mat,MatFactorInfo*,Mat*); 160 EXTERN PetscErrorCode MatLUFactorNumeric_SeqAIJ_InplaceWithPerm(Mat,MatFactorInfo*,Mat*); 161 EXTERN PetscErrorCode MatLUFactor_SeqAIJ(Mat,IS,IS,MatFactorInfo*); 162 EXTERN PetscErrorCode MatSolve_SeqAIJ(Mat,Vec,Vec); 163 EXTERN PetscErrorCode MatSolve_SeqAIJ_InplaceWithPerm(Mat,Vec,Vec); 164 EXTERN PetscErrorCode MatSolveAdd_SeqAIJ(Mat,Vec,Vec,Vec); 165 EXTERN PetscErrorCode MatSolveTranspose_SeqAIJ(Mat,Vec,Vec); 166 EXTERN PetscErrorCode MatSolveTransposeAdd_SeqAIJ(Mat,Vec,Vec,Vec); 167 EXTERN PetscErrorCode MatMatSolve_SeqAIJ(Mat,Mat,Mat); 168 EXTERN PetscErrorCode MatEqual_SeqAIJ(Mat A,Mat B,PetscTruth* flg); 169 EXTERN PetscErrorCode MatFDColoringCreate_SeqAIJ(Mat,ISColoring,MatFDColoring); 170 EXTERN PetscErrorCode MatILUDTFactor_SeqAIJ(Mat,IS,IS,MatFactorInfo*,Mat*); 171 EXTERN PetscErrorCode MatLoad_SeqAIJ(PetscViewer, const MatType,Mat*); 172 EXTERN PetscErrorCode RegisterApplyPtAPRoutines_Private(Mat); 173 EXTERN PetscErrorCode MatMatMult_SeqAIJ_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 174 EXTERN PetscErrorCode MatMatMultSymbolic_SeqAIJ_SeqAIJ(Mat,Mat,PetscReal,Mat*); 175 EXTERN PetscErrorCode MatMatMultNumeric_SeqAIJ_SeqAIJ(Mat,Mat,Mat); 176 EXTERN PetscErrorCode MatPtAPSymbolic_SeqAIJ(Mat,Mat,PetscReal,Mat*); 177 EXTERN PetscErrorCode MatPtAPNumeric_SeqAIJ(Mat,Mat,Mat); 178 EXTERN PetscErrorCode MatPtAPSymbolic_SeqAIJ_SeqAIJ(Mat,Mat,PetscReal,Mat*); 179 EXTERN PetscErrorCode MatPtAPNumeric_SeqAIJ_SeqAIJ(Mat,Mat,Mat); 180 EXTERN PetscErrorCode MatMatMultTranspose_SeqAIJ_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 181 EXTERN PetscErrorCode MatMatMultTransposeSymbolic_SeqAIJ_SeqAIJ(Mat,Mat,PetscReal,Mat*); 182 EXTERN PetscErrorCode MatMatMultTransposeNumeric_SeqAIJ_SeqAIJ(Mat,Mat,Mat); 183 EXTERN PetscErrorCode MatSetValues_SeqAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 184 EXTERN PetscErrorCode MatGetRow_SeqAIJ(Mat,PetscInt,PetscInt*,PetscInt**,PetscScalar**); 185 EXTERN PetscErrorCode MatRestoreRow_SeqAIJ(Mat,PetscInt,PetscInt*,PetscInt**,PetscScalar**); 186 EXTERN PetscErrorCode MatAXPY_SeqAIJ(Mat,PetscScalar,Mat,MatStructure); 187 EXTERN PetscErrorCode MatGetRowIJ_SeqAIJ(Mat,PetscInt,PetscTruth,PetscTruth,PetscInt*,PetscInt *[],PetscInt *[],PetscTruth *); 188 EXTERN PetscErrorCode MatRestoreRowIJ_SeqAIJ(Mat,PetscInt,PetscTruth,PetscTruth,PetscInt *,PetscInt *[],PetscInt *[],PetscTruth *); 189 EXTERN PetscErrorCode MatGetColumnIJ_SeqAIJ(Mat,PetscInt,PetscTruth,PetscTruth,PetscInt*,PetscInt *[],PetscInt *[],PetscTruth *); 190 EXTERN PetscErrorCode MatRestoreColumnIJ_SeqAIJ(Mat,PetscInt,PetscTruth,PetscTruth,PetscInt *,PetscInt *[],PetscInt *[],PetscTruth *); 191 EXTERN PetscErrorCode MatDestroy_SeqAIJ(Mat); 192 EXTERN PetscErrorCode MatView_SeqAIJ(Mat,PetscViewer); 193 194 EXTERN_C_BEGIN 195 EXTERN PetscErrorCode PETSCMAT_DLLEXPORT MatConvert_SeqAIJ_SeqSBAIJ(Mat,const MatType,MatReuse,Mat*); 196 EXTERN PetscErrorCode PETSCMAT_DLLEXPORT MatConvert_SeqAIJ_SeqBAIJ(Mat,const MatType,MatReuse,Mat*); 197 EXTERN PetscErrorCode PETSCMAT_DLLEXPORT MatConvert_SeqAIJ_SeqCSRPERM(Mat,const MatType,MatReuse,Mat*); 198 EXTERN PetscErrorCode PETSCMAT_DLLEXPORT MatReorderForNonzeroDiagonal_SeqAIJ(Mat,PetscReal,IS,IS); 199 EXTERN_C_END 200 201 #endif 202