1 2 #if !defined(__AIJ_H) 3 #define __AIJ_H 4 5 #include <petsc-private/matimpl.h> 6 7 /* 8 Struct header shared by SeqAIJ, SeqBAIJ and SeqSBAIJ matrix formats 9 */ 10 #define SEQAIJHEADER(datatype) \ 11 PetscBool roworiented; /* if true, row-oriented input, default */ \ 12 PetscInt nonew; /* 1 don't add new nonzeros, -1 generate error on new */ \ 13 PetscInt nounused; /* -1 generate error on unused space */ \ 14 PetscBool singlemalloc; /* if true a, i, and j have been obtained with one big malloc */ \ 15 PetscInt maxnz; /* allocated nonzeros */ \ 16 PetscInt *imax; /* maximum space allocated for each row */ \ 17 PetscInt *ilen; /* actual length of each row */ \ 18 PetscBool free_imax_ilen; \ 19 PetscInt reallocs; /* number of mallocs done during MatSetValues() \ 20 as more values are set than were prealloced */\ 21 PetscInt rmax; /* max nonzeros in any row */ \ 22 PetscBool keepnonzeropattern; /* keeps matrix structure same in calls to MatZeroRows()*/ \ 23 PetscBool ignorezeroentries; \ 24 PetscInt *xtoy,*xtoyB; /* map nonzero pattern of X into Y's, used by MatAXPY() */ \ 25 Mat XtoY; /* used by MatAXPY() */ \ 26 PetscBool free_ij; /* free the column indices j and row offsets i when the matrix is destroyed */ \ 27 PetscBool free_a; /* free the numerical values when matrix is destroy */ \ 28 Mat_CompressedRow compressedrow; /* use compressed row format */ \ 29 PetscInt nz; /* nonzeros */ \ 30 PetscInt *i; /* pointer to beginning of each row */ \ 31 PetscInt *j; /* column values: j + i[k] - 1 is start of row k */ \ 32 PetscInt *diag; /* pointers to diagonal elements */ \ 33 PetscBool free_diag; \ 34 datatype *a; /* nonzero elements */ \ 35 PetscScalar *solve_work; /* work space used in MatSolve */ \ 36 IS row, col, icol; /* index sets, used for reorderings */ \ 37 PetscBool pivotinblocks; /* pivot inside factorization of each diagonal block */ \ 38 Mat parent /* set if this matrix was formed with MatDuplicate(...,MAT_SHARE_NONZERO_PATTERN,....); 39 means that this shares some data structures with the parent including diag, ilen, imax, i, j */ 40 41 typedef struct { 42 MatTransposeColoring matcoloring; 43 Mat Bt_den; /* dense matrix of B^T */ 44 Mat ABt_den; /* dense matrix of A*B^T */ 45 PetscBool usecoloring; 46 PetscErrorCode (*destroy)(Mat); 47 } Mat_MatMatTransMult; 48 49 typedef struct { 50 PetscInt *api,*apj; /* symbolic structure of A*P */ 51 PetscScalar *apa; /* temporary array for storing one row of A*P */ 52 PetscErrorCode (*destroy)(Mat); 53 } Mat_PtAP; 54 55 typedef struct { 56 MatTransposeColoring matcoloring; 57 Mat Rt; /* dense matrix of R^T */ 58 Mat RARt; /* dense matrix of R*A*R^T */ 59 MatScalar *work; /* work array to store columns of A*R^T used in MatMatMatMultNumeric_SeqAIJ_SeqAIJ_SeqDense() */ 60 PetscErrorCode (*destroy)(Mat); 61 } Mat_RARt; 62 63 typedef struct { 64 Mat BC; /* temp matrix for storing B*C */ 65 PetscErrorCode (*destroy)(Mat); 66 } Mat_MatMatMatMult; 67 68 /* 69 MATSEQAIJ format - Compressed row storage (also called Yale sparse matrix 70 format) or compressed sparse row (CSR). The i[] and j[] arrays start at 0. For example, 71 j[i[k]+p] is the pth column in row k. Note that the diagonal 72 matrix elements are stored with the rest of the nonzeros (not separately). 73 */ 74 75 /* Info about i-nodes (identical nodes) helper class for SeqAIJ */ 76 typedef struct { 77 MatScalar *bdiag,*ibdiag,*ssor_work; /* diagonal blocks of matrix used for MatSOR_SeqAIJ_Inode() */ 78 PetscInt bdiagsize; /* length of bdiag and ibdiag */ 79 PetscBool ibdiagvalid; /* do ibdiag[] and bdiag[] contain the most recent values */ 80 81 PetscBool use; 82 PetscInt node_count; /* number of inodes */ 83 PetscInt *size; /* size of each inode */ 84 PetscInt limit; /* inode limit */ 85 PetscInt max_limit; /* maximum supported inode limit */ 86 PetscBool checked; /* if inodes have been checked for */ 87 } Mat_SeqAIJ_Inode; 88 89 PETSC_INTERN PetscErrorCode MatView_SeqAIJ_Inode(Mat,PetscViewer); 90 PETSC_INTERN PetscErrorCode MatAssemblyEnd_SeqAIJ_Inode(Mat,MatAssemblyType); 91 PETSC_INTERN PetscErrorCode MatDestroy_SeqAIJ_Inode(Mat); 92 PETSC_INTERN PetscErrorCode MatCreate_SeqAIJ_Inode(Mat); 93 PETSC_INTERN PetscErrorCode MatSetOption_SeqAIJ_Inode(Mat,MatOption,PetscBool); 94 PETSC_INTERN PetscErrorCode MatDuplicate_SeqAIJ_Inode(Mat,MatDuplicateOption,Mat*); 95 PETSC_INTERN PetscErrorCode MatDuplicateNoCreate_SeqAIJ(Mat,Mat,MatDuplicateOption,PetscBool); 96 PETSC_INTERN PetscErrorCode MatLUFactorNumeric_SeqAIJ_Inode_inplace(Mat,Mat,const MatFactorInfo*); 97 PETSC_INTERN PetscErrorCode MatLUFactorNumeric_SeqAIJ_Inode(Mat,Mat,const MatFactorInfo*); 98 99 typedef struct { 100 SEQAIJHEADER(MatScalar); 101 Mat_SeqAIJ_Inode inode; 102 MatScalar *saved_values; /* location for stashing nonzero values of matrix */ 103 104 PetscScalar *idiag,*mdiag,*ssor_work; /* inverse of diagonal entries, diagonal values and workspace for Eisenstat trick */ 105 PetscBool idiagvalid; /* current idiag[] and mdiag[] are valid */ 106 PetscScalar *ibdiag; /* inverses of block diagonals */ 107 PetscBool ibdiagvalid; /* inverses of block diagonals are valid. */ 108 PetscScalar fshift,omega; /* last used omega and fshift */ 109 110 ISColoring coloring; /* set with MatADSetColoring() used by MatADSetValues() */ 111 112 PetscScalar *matmult_abdense; /* used by MatMatMult() */ 113 Mat_PtAP *ptap; /* used by MatPtAP() */ 114 Mat_MatMatMatMult *matmatmatmult; /* used by MatMatMatMult() */ 115 } Mat_SeqAIJ; 116 117 /* 118 Frees the a, i, and j arrays from the XAIJ (AIJ, BAIJ, and SBAIJ) matrix types 119 */ 120 #undef __FUNCT__ 121 #define __FUNCT__ "MatSeqXAIJFreeAIJ" 122 PETSC_STATIC_INLINE PetscErrorCode MatSeqXAIJFreeAIJ(Mat AA,MatScalar **a,PetscInt **j,PetscInt **i) 123 { 124 PetscErrorCode ierr; 125 Mat_SeqAIJ *A = (Mat_SeqAIJ*) AA->data; 126 if (A->singlemalloc) { 127 ierr = PetscFree3(*a,*j,*i);CHKERRQ(ierr); 128 } else { 129 if (A->free_a) {ierr = PetscFree(*a);CHKERRQ(ierr);} 130 if (A->free_ij) {ierr = PetscFree(*j);CHKERRQ(ierr);} 131 if (A->free_ij) {ierr = PetscFree(*i);CHKERRQ(ierr);} 132 } 133 return 0; 134 } 135 /* 136 Allocates larger a, i, and j arrays for the XAIJ (AIJ, BAIJ, and SBAIJ) matrix types 137 This is a macro because it takes the datatype as an argument which can be either a Mat or a MatScalar 138 */ 139 #define MatSeqXAIJReallocateAIJ(Amat,AM,BS2,NROW,ROW,COL,RMAX,AA,AI,AJ,RP,AP,AIMAX,NONEW,datatype) \ 140 if (NROW >= RMAX) { \ 141 Mat_SeqAIJ *Ain = (Mat_SeqAIJ*)Amat->data; \ 142 /* there is no extra room in row, therefore enlarge */ \ 143 PetscInt CHUNKSIZE = 15,new_nz = AI[AM] + CHUNKSIZE,len,*new_i=0,*new_j=0; \ 144 datatype *new_a; \ 145 \ 146 if (NONEW == -2) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"New nonzero at (%D,%D) caused a malloc",ROW,COL); \ 147 /* malloc new storage space */ \ 148 ierr = PetscMalloc3(BS2*new_nz,datatype,&new_a,new_nz,PetscInt,&new_j,AM+1,PetscInt,&new_i);CHKERRQ(ierr); \ 149 \ 150 /* copy over old data into new slots */ \ 151 for (ii=0; ii<ROW+1; ii++) {new_i[ii] = AI[ii];} \ 152 for (ii=ROW+1; ii<AM+1; ii++) {new_i[ii] = AI[ii]+CHUNKSIZE;} \ 153 ierr = PetscMemcpy(new_j,AJ,(AI[ROW]+NROW)*sizeof(PetscInt));CHKERRQ(ierr); \ 154 len = (new_nz - CHUNKSIZE - AI[ROW] - NROW); \ 155 ierr = PetscMemcpy(new_j+AI[ROW]+NROW+CHUNKSIZE,AJ+AI[ROW]+NROW,len*sizeof(PetscInt));CHKERRQ(ierr); \ 156 ierr = PetscMemcpy(new_a,AA,BS2*(AI[ROW]+NROW)*sizeof(datatype));CHKERRQ(ierr); \ 157 ierr = PetscMemzero(new_a+BS2*(AI[ROW]+NROW),BS2*CHUNKSIZE*sizeof(datatype));CHKERRQ(ierr); \ 158 ierr = PetscMemcpy(new_a+BS2*(AI[ROW]+NROW+CHUNKSIZE),AA+BS2*(AI[ROW]+NROW),BS2*len*sizeof(datatype));CHKERRQ(ierr); \ 159 /* free up old matrix storage */ \ 160 ierr = MatSeqXAIJFreeAIJ(A,&Ain->a,&Ain->j,&Ain->i);CHKERRQ(ierr); \ 161 AA = new_a; \ 162 Ain->a = (MatScalar*) new_a; \ 163 AI = Ain->i = new_i; AJ = Ain->j = new_j; \ 164 Ain->singlemalloc = PETSC_TRUE; \ 165 \ 166 RP = AJ + AI[ROW]; AP = AA + BS2*AI[ROW]; \ 167 RMAX = AIMAX[ROW] = AIMAX[ROW] + CHUNKSIZE; \ 168 Ain->maxnz += BS2*CHUNKSIZE; \ 169 Ain->reallocs++; \ 170 } \ 171 172 173 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation_SeqAIJ(Mat,PetscInt,const PetscInt*); 174 PETSC_INTERN PetscErrorCode MatILUFactorSymbolic_SeqAIJ_inplace(Mat,Mat,IS,IS,const MatFactorInfo*); 175 PETSC_INTERN PetscErrorCode MatILUFactorSymbolic_SeqAIJ(Mat,Mat,IS,IS,const MatFactorInfo*); 176 PETSC_INTERN PetscErrorCode MatILUFactorSymbolic_SeqAIJ_ilu0(Mat,Mat,IS,IS,const MatFactorInfo*); 177 178 PETSC_INTERN PetscErrorCode MatICCFactorSymbolic_SeqAIJ_inplace(Mat,Mat,IS,const MatFactorInfo*); 179 PETSC_INTERN PetscErrorCode MatICCFactorSymbolic_SeqAIJ(Mat,Mat,IS,const MatFactorInfo*); 180 PETSC_INTERN PetscErrorCode MatCholeskyFactorSymbolic_SeqAIJ_inplace(Mat,Mat,IS,const MatFactorInfo*); 181 PETSC_INTERN PetscErrorCode MatCholeskyFactorSymbolic_SeqAIJ(Mat,Mat,IS,const MatFactorInfo*); 182 PETSC_INTERN PetscErrorCode MatCholeskyFactorNumeric_SeqAIJ_inplace(Mat,Mat,const MatFactorInfo*); 183 PETSC_INTERN PetscErrorCode MatCholeskyFactorNumeric_SeqAIJ(Mat,Mat,const MatFactorInfo*); 184 PETSC_INTERN PetscErrorCode MatDuplicate_SeqAIJ(Mat,MatDuplicateOption,Mat*); 185 PETSC_INTERN PetscErrorCode MatCopy_SeqAIJ(Mat,Mat,MatStructure); 186 PETSC_INTERN PetscErrorCode MatMissingDiagonal_SeqAIJ(Mat,PetscBool*,PetscInt*); 187 PETSC_INTERN PetscErrorCode MatMarkDiagonal_SeqAIJ(Mat); 188 PETSC_INTERN PetscErrorCode MatFindZeroDiagonals_SeqAIJ_Private(Mat,PetscInt*,PetscInt**); 189 190 PETSC_INTERN PetscErrorCode MatMult_SeqAIJ(Mat A,Vec,Vec); 191 PETSC_INTERN PetscErrorCode MatMultAdd_SeqAIJ(Mat A,Vec,Vec,Vec); 192 PETSC_INTERN PetscErrorCode MatMultTranspose_SeqAIJ(Mat A,Vec,Vec); 193 PETSC_INTERN PetscErrorCode MatMultTransposeAdd_SeqAIJ(Mat A,Vec,Vec,Vec); 194 PETSC_INTERN PetscErrorCode MatSOR_SeqAIJ(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec); 195 196 PETSC_INTERN PetscErrorCode MatSetOption_SeqAIJ(Mat,MatOption,PetscBool); 197 PETSC_INTERN PetscErrorCode MatSetColoring_SeqAIJ(Mat,ISColoring); 198 PETSC_INTERN PetscErrorCode MatSetValuesAdifor_SeqAIJ(Mat,PetscInt,void*); 199 200 PETSC_INTERN PetscErrorCode MatGetSymbolicTranspose_SeqAIJ(Mat,PetscInt *[],PetscInt *[]); 201 PETSC_INTERN PetscErrorCode MatGetSymbolicTransposeReduced_SeqAIJ(Mat,PetscInt,PetscInt,PetscInt *[],PetscInt *[]); 202 PETSC_INTERN PetscErrorCode MatRestoreSymbolicTranspose_SeqAIJ(Mat,PetscInt *[],PetscInt *[]); 203 PETSC_INTERN PetscErrorCode MatTransposeSymbolic_SeqAIJ(Mat,Mat*); 204 PETSC_INTERN PetscErrorCode MatToSymmetricIJ_SeqAIJ(PetscInt,PetscInt*,PetscInt*,PetscInt,PetscInt,PetscInt**,PetscInt**); 205 PETSC_INTERN PetscErrorCode MatLUFactorSymbolic_SeqAIJ_inplace(Mat,Mat,IS,IS,const MatFactorInfo*); 206 PETSC_INTERN PetscErrorCode MatLUFactorSymbolic_SeqAIJ(Mat,Mat,IS,IS,const MatFactorInfo*); 207 PETSC_INTERN PetscErrorCode MatLUFactorNumeric_SeqAIJ_inplace(Mat,Mat,const MatFactorInfo*); 208 PETSC_INTERN PetscErrorCode MatLUFactorNumeric_SeqAIJ(Mat,Mat,const MatFactorInfo*); 209 PETSC_INTERN PetscErrorCode MatLUFactorNumeric_SeqAIJ_InplaceWithPerm(Mat,Mat,const MatFactorInfo*); 210 PETSC_INTERN PetscErrorCode MatLUFactor_SeqAIJ(Mat,IS,IS,const MatFactorInfo*); 211 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ_inplace(Mat,Vec,Vec); 212 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ(Mat,Vec,Vec); 213 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ_Inode_inplace(Mat,Vec,Vec); 214 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ_Inode(Mat,Vec,Vec); 215 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ_NaturalOrdering_inplace(Mat,Vec,Vec); 216 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ_NaturalOrdering(Mat,Vec,Vec); 217 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ_InplaceWithPerm(Mat,Vec,Vec); 218 PETSC_INTERN PetscErrorCode MatSolveAdd_SeqAIJ_inplace(Mat,Vec,Vec,Vec); 219 PETSC_INTERN PetscErrorCode MatSolveAdd_SeqAIJ(Mat,Vec,Vec,Vec); 220 PETSC_INTERN PetscErrorCode MatSolveTranspose_SeqAIJ_inplace(Mat,Vec,Vec); 221 PETSC_INTERN PetscErrorCode MatSolveTranspose_SeqAIJ(Mat,Vec,Vec); 222 PETSC_INTERN PetscErrorCode MatSolveTransposeAdd_SeqAIJ_inplace(Mat,Vec,Vec,Vec); 223 PETSC_INTERN PetscErrorCode MatSolveTransposeAdd_SeqAIJ(Mat,Vec,Vec,Vec); 224 PETSC_INTERN PetscErrorCode MatMatSolve_SeqAIJ_inplace(Mat,Mat,Mat); 225 PETSC_INTERN PetscErrorCode MatMatSolve_SeqAIJ(Mat,Mat,Mat); 226 PETSC_INTERN PetscErrorCode MatEqual_SeqAIJ(Mat A,Mat B,PetscBool * flg); 227 PETSC_INTERN PetscErrorCode MatFDColoringCreate_SeqAIJ(Mat,ISColoring,MatFDColoring); 228 PETSC_INTERN PetscErrorCode MatLoad_SeqAIJ(Mat,PetscViewer); 229 PETSC_INTERN PetscErrorCode RegisterApplyPtAPRoutines_Private(Mat); 230 231 PETSC_INTERN PetscErrorCode MatMatMult_SeqAIJ_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 232 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqAIJ_SeqAIJ(Mat,Mat,PetscReal,Mat*); 233 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqAIJ_SeqAIJ_Scalable(Mat,Mat,PetscReal,Mat*); 234 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqAIJ_SeqAIJ_Scalable_fast(Mat,Mat,PetscReal,Mat*); 235 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqAIJ_SeqAIJ_Heap(Mat,Mat,PetscReal,Mat*); 236 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqAIJ_SeqAIJ_BTHeap(Mat,Mat,PetscReal,Mat*); 237 PETSC_INTERN PetscErrorCode MatMatMultNumeric_SeqAIJ_SeqAIJ(Mat,Mat,Mat); 238 PETSC_INTERN PetscErrorCode MatMatMultNumeric_SeqAIJ_SeqAIJ_Scalable(Mat,Mat,Mat); 239 240 PETSC_INTERN PetscErrorCode MatPtAP_SeqAIJ_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 241 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_SeqAIJ_SeqAIJ(Mat,Mat,PetscReal,Mat*); 242 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_SeqAIJ_SeqAIJ_SparseAxpy(Mat,Mat,PetscReal,Mat*); 243 PETSC_INTERN PetscErrorCode MatPtAPNumeric_SeqAIJ_SeqAIJ(Mat,Mat,Mat); 244 PETSC_INTERN PetscErrorCode MatPtAPNumeric_SeqAIJ_SeqAIJ_SparseAxpy(Mat,Mat,Mat); 245 246 PETSC_INTERN PetscErrorCode MatRARtSymbolic_SeqAIJ_SeqAIJ(Mat,Mat,PetscReal,Mat*); 247 PETSC_INTERN PetscErrorCode MatRARtNumeric_SeqAIJ_SeqAIJ(Mat,Mat,Mat); 248 249 PETSC_INTERN PetscErrorCode MatTransposeMatMult_SeqAIJ_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 250 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_SeqAIJ_SeqAIJ(Mat,Mat,PetscReal,Mat*); 251 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_SeqAIJ_SeqAIJ(Mat,Mat,Mat); 252 PETSC_INTERN PetscErrorCode MatMatTransposeMult_SeqAIJ_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 253 PETSC_INTERN PetscErrorCode MatMatTransposeMultSymbolic_SeqAIJ_SeqAIJ(Mat,Mat,PetscReal,Mat*); 254 PETSC_INTERN PetscErrorCode MatMatTransposeMultNumeric_SeqAIJ_SeqAIJ(Mat,Mat,Mat); 255 PETSC_INTERN PetscErrorCode MatTransposeColoringCreate_SeqAIJ(Mat,ISColoring,MatTransposeColoring); 256 PETSC_INTERN PetscErrorCode MatTransColoringApplySpToDen_SeqAIJ(MatTransposeColoring,Mat,Mat); 257 PETSC_INTERN PetscErrorCode MatTransColoringApplyDenToSp_SeqAIJ(MatTransposeColoring,Mat,Mat); 258 259 PETSC_INTERN PetscErrorCode MatMatMatMult_SeqAIJ_SeqAIJ_SeqAIJ(Mat,Mat,Mat,MatReuse,PetscReal,Mat*); 260 PETSC_INTERN PetscErrorCode MatMatMatMultSymbolic_SeqAIJ_SeqAIJ_SeqAIJ(Mat,Mat,Mat,PetscReal,Mat*); 261 PETSC_INTERN PetscErrorCode MatMatMatMultNumeric_SeqAIJ_SeqAIJ_SeqAIJ(Mat,Mat,Mat,Mat); 262 263 PETSC_INTERN PetscErrorCode MatSetValues_SeqAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 264 PETSC_INTERN PetscErrorCode MatGetRow_SeqAIJ(Mat,PetscInt,PetscInt*,PetscInt**,PetscScalar**); 265 PETSC_INTERN PetscErrorCode MatRestoreRow_SeqAIJ(Mat,PetscInt,PetscInt*,PetscInt**,PetscScalar**); 266 PETSC_INTERN PetscErrorCode MatAXPY_SeqAIJ(Mat,PetscScalar,Mat,MatStructure); 267 PETSC_INTERN PetscErrorCode MatGetRowIJ_SeqAIJ(Mat,PetscInt,PetscBool,PetscBool,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool*); 268 PETSC_INTERN PetscErrorCode MatRestoreRowIJ_SeqAIJ(Mat,PetscInt,PetscBool,PetscBool,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool*); 269 PETSC_INTERN PetscErrorCode MatGetColumnIJ_SeqAIJ(Mat,PetscInt,PetscBool,PetscBool,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool*); 270 PETSC_INTERN PetscErrorCode MatRestoreColumnIJ_SeqAIJ(Mat,PetscInt,PetscBool,PetscBool,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool*); 271 PETSC_INTERN PetscErrorCode MatDestroy_SeqAIJ(Mat); 272 PETSC_INTERN PetscErrorCode MatSetUp_SeqAIJ(Mat); 273 PETSC_INTERN PetscErrorCode MatView_SeqAIJ(Mat,PetscViewer); 274 275 PETSC_INTERN PetscErrorCode MatSeqAIJInvalidateDiagonal(Mat); 276 PETSC_INTERN PetscErrorCode MatSeqAIJInvalidateDiagonal_Inode(Mat); 277 PETSC_INTERN PetscErrorCode Mat_CheckInode(Mat,PetscBool); 278 PETSC_INTERN PetscErrorCode Mat_CheckInode_FactorLU(Mat,PetscBool); 279 280 PETSC_INTERN PetscErrorCode MatAXPYGetPreallocation_SeqAIJ(Mat,Mat,PetscInt*); 281 282 PETSC_EXTERN PetscErrorCode MatConvert_SeqAIJ_SeqSBAIJ(Mat,MatType,MatReuse,Mat*); 283 PETSC_EXTERN PetscErrorCode MatConvert_SeqAIJ_SeqBAIJ(Mat,MatType,MatReuse,Mat*); 284 PETSC_EXTERN PetscErrorCode MatConvert_SeqAIJ_SeqAIJPERM(Mat,MatType,MatReuse,Mat*); 285 PETSC_INTERN PetscErrorCode MatReorderForNonzeroDiagonal_SeqAIJ(Mat,PetscReal,IS,IS); 286 PETSC_INTERN PetscErrorCode MatMatMult_SeqDense_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 287 PETSC_INTERN PetscErrorCode MatRARt_SeqAIJ_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 288 PETSC_EXTERN PetscErrorCode MatCreate_SeqAIJ(Mat); 289 PETSC_INTERN PetscErrorCode MatAssemblyEnd_SeqAIJ(Mat,MatAssemblyType); 290 PETSC_INTERN PetscErrorCode MatDestroy_SeqAIJ(Mat); 291 292 293 /* 294 PetscSparseDenseMinusDot - The inner kernel of triangular solves and Gauss-Siedel smoothing. \sum_i xv[i] * r[xi[i]] for CSR storage 295 296 Input Parameters: 297 + nnz - the number of entries 298 . r - the array of vector values 299 . xv - the matrix values for the row 300 - xi - the column indices of the nonzeros in the row 301 302 Output Parameter: 303 . sum - negative the sum of results 304 305 PETSc compile flags: 306 + PETSC_KERNEL_USE_UNROLL_4 - don't use this; it changes nnz and hence is WRONG 307 - PETSC_KERNEL_USE_UNROLL_2 - 308 309 .seealso: PetscSparseDensePlusDot() 310 311 */ 312 #if defined(PETSC_KERNEL_USE_UNROLL_4) 313 #define PetscSparseDenseMinusDot(sum,r,xv,xi,nnz) { \ 314 if (nnz > 0) { \ 315 switch (nnz & 0x3) { \ 316 case 3: sum -= *xv++ *r[*xi++]; \ 317 case 2: sum -= *xv++ *r[*xi++]; \ 318 case 1: sum -= *xv++ *r[*xi++]; \ 319 nnz -= 4;} \ 320 while (nnz > 0) { \ 321 sum -= xv[0] * r[xi[0]] - xv[1] * r[xi[1]] - \ 322 xv[2] * r[xi[2]] - xv[3] * r[xi[3]]; \ 323 xv += 4; xi += 4; nnz -= 4; }}} 324 325 #elif defined(PETSC_KERNEL_USE_UNROLL_2) 326 #define PetscSparseDenseMinusDot(sum,r,xv,xi,nnz) { \ 327 PetscInt __i,__i1,__i2; \ 328 for (__i=0; __i<nnz-1; __i+=2) {__i1 = xi[__i]; __i2=xi[__i+1]; \ 329 sum -= (xv[__i]*r[__i1] + xv[__i+1]*r[__i2]);} \ 330 if (nnz & 0x1) sum -= xv[__i] * r[xi[__i]];} 331 332 #else 333 #define PetscSparseDenseMinusDot(sum,r,xv,xi,nnz) { \ 334 PetscInt __i; \ 335 for (__i=0; __i<nnz; __i++) sum -= xv[__i] * r[xi[__i]];} 336 #endif 337 338 339 340 /* 341 PetscSparseDensePlusDot - The inner kernel of matrix-vector product \sum_i xv[i] * r[xi[i]] for CSR storage 342 343 Input Parameters: 344 + nnz - the number of entries 345 . r - the array of vector values 346 . xv - the matrix values for the row 347 - xi - the column indices of the nonzeros in the row 348 349 Output Parameter: 350 . sum - the sum of results 351 352 PETSc compile flags: 353 + PETSC_KERNEL_USE_UNROLL_4 - don't use this; it changes nnz and hence is WRONG 354 - PETSC_KERNEL_USE_UNROLL_2 - 355 356 .seealso: PetscSparseDenseMinusDot() 357 358 */ 359 #if defined(PETSC_KERNEL_USE_UNROLL_4) 360 #define PetscSparseDensePlusDot(sum,r,xv,xi,nnz) { \ 361 if (nnz > 0) { \ 362 switch (nnz & 0x3) { \ 363 case 3: sum += *xv++ *r[*xi++]; \ 364 case 2: sum += *xv++ *r[*xi++]; \ 365 case 1: sum += *xv++ *r[*xi++]; \ 366 nnz -= 4;} \ 367 while (nnz > 0) { \ 368 sum += xv[0] * r[xi[0]] + xv[1] * r[xi[1]] + \ 369 xv[2] * r[xi[2]] + xv[3] * r[xi[3]]; \ 370 xv += 4; xi += 4; nnz -= 4; }}} 371 372 #elif defined(PETSC_KERNEL_USE_UNROLL_2) 373 #define PetscSparseDensePlusDot(sum,r,xv,xi,nnz) { \ 374 PetscInt __i,__i1,__i2; \ 375 for (__i=0; __i<nnz-1; __i+=2) {__i1 = xi[__i]; __i2=xi[__i+1]; \ 376 sum += (xv[__i]*r[__i1] + xv[__i+1]*r[__i2]);} \ 377 if (nnz & 0x1) sum += xv[__i] * r[xi[__i]];} 378 379 #else 380 #define PetscSparseDensePlusDot(sum,r,xv,xi,nnz) { \ 381 PetscInt __i; \ 382 for (__i=0; __i<nnz; __i++) sum += xv[__i] * r[xi[__i]];} 383 #endif 384 385 #endif 386