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