1 2 #if !defined(__AIJ_H) 3 #define __AIJ_H 4 5 #include <petsc/private/matimpl.h> 6 #include <petscctable.h> 7 8 /* 9 Struct header shared by SeqAIJ, SeqBAIJ and SeqSBAIJ matrix formats 10 */ 11 #define SEQAIJHEADER(datatype) \ 12 PetscBool roworiented; /* if true, row-oriented input, default */ \ 13 PetscInt nonew; /* 1 don't add new nonzeros, -1 generate error on new */ \ 14 PetscInt nounused; /* -1 generate error on unused space */ \ 15 PetscBool singlemalloc; /* if true a, i, and j have been obtained with one big malloc */ \ 16 PetscInt maxnz; /* allocated nonzeros */ \ 17 PetscInt *imax; /* maximum space allocated for each row */ \ 18 PetscInt *ilen; /* actual length of each row */ \ 19 PetscBool free_imax_ilen; \ 20 PetscInt reallocs; /* number of mallocs done during MatSetValues() \ 21 as more values are set than were prealloced */\ 22 PetscInt rmax; /* max nonzeros in any row */ \ 23 PetscBool keepnonzeropattern; /* keeps matrix structure same in calls to MatZeroRows()*/ \ 24 PetscBool ignorezeroentries; \ 25 PetscBool free_ij; /* free the column indices j and row offsets i when the matrix is destroyed */ \ 26 PetscBool free_a; /* free the numerical values when matrix is destroy */ \ 27 Mat_CompressedRow compressedrow; /* use compressed row format */ \ 28 PetscInt nz; /* nonzeros */ \ 29 PetscInt *i; /* pointer to beginning of each row */ \ 30 PetscInt *j; /* column values: j + i[k] - 1 is start of row k */ \ 31 PetscInt *diag; /* pointers to diagonal elements */ \ 32 PetscInt nonzerorowcnt; /* how many rows have nonzero entries */ \ 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 { /* for MatTransposeMatMult_SeqAIJ_SeqDense() */ 50 Mat mA; /* maij matrix of A */ 51 Vec bt,ct; /* vectors to hold locally transposed arrays of B and C */ 52 PetscErrorCode (*destroy)(Mat); 53 } Mat_MatTransMatMult; 54 55 typedef struct { 56 PetscInt *api,*apj; /* symbolic structure of A*P */ 57 PetscScalar *apa; /* temporary array for storing one row of A*P */ 58 PetscErrorCode (*destroy)(Mat); 59 } Mat_PtAP; 60 61 typedef struct { 62 MatTransposeColoring matcoloring; 63 Mat Rt; /* sparse or dense matrix of R^T */ 64 Mat RARt; /* dense matrix of R*A*R^T */ 65 Mat ARt; /* A*R^T used for the case -matrart_color_art */ 66 MatScalar *work; /* work array to store columns of A*R^T used in MatMatMatMultNumeric_SeqAIJ_SeqAIJ_SeqDense() */ 67 PetscErrorCode (*destroy)(Mat); 68 } Mat_RARt; 69 70 typedef struct { 71 Mat BC; /* temp matrix for storing B*C */ 72 PetscErrorCode (*destroy)(Mat); 73 } Mat_MatMatMatMult; 74 75 /* 76 MATSEQAIJ format - Compressed row storage (also called Yale sparse matrix 77 format) or compressed sparse row (CSR). The i[] and j[] arrays start at 0. For example, 78 j[i[k]+p] is the pth column in row k. Note that the diagonal 79 matrix elements are stored with the rest of the nonzeros (not separately). 80 */ 81 82 /* Info about i-nodes (identical nodes) helper class for SeqAIJ */ 83 typedef struct { 84 MatScalar *bdiag,*ibdiag,*ssor_work; /* diagonal blocks of matrix used for MatSOR_SeqAIJ_Inode() */ 85 PetscInt bdiagsize; /* length of bdiag and ibdiag */ 86 PetscBool ibdiagvalid; /* do ibdiag[] and bdiag[] contain the most recent values */ 87 88 PetscBool use; 89 PetscInt node_count; /* number of inodes */ 90 PetscInt *size; /* size of each inode */ 91 PetscInt limit; /* inode limit */ 92 PetscInt max_limit; /* maximum supported inode limit */ 93 PetscBool checked; /* if inodes have been checked for */ 94 PetscObjectState mat_nonzerostate; /* non-zero state when inodes were checked for */ 95 } Mat_SeqAIJ_Inode; 96 97 typedef struct { /* used by MatGetSubMatrices_MPIAIJ_SingleIS_Local() and MatGetSubMatrices_MPIAIJ_Local */ 98 PetscInt id; /* index of submats, only submats[0] is responsible for deleting some arrays below */ 99 PetscInt nrqs,nrqr; 100 PetscInt **rbuf1,**rbuf2,**rbuf3,**sbuf1,**sbuf2; 101 PetscInt **ptr; 102 PetscInt *tmp; 103 PetscInt *ctr; 104 PetscInt *pa; /* proc array */ 105 PetscInt *req_size,*req_source1,*req_source2; 106 PetscBool allcolumns; 107 PetscBool singleis; 108 PetscInt *row2proc; /* row to proc map */ 109 PetscInt nstages; 110 #if defined(PETSC_USE_CTABLE) 111 PetscTable cmap,rmap; 112 PetscInt *cmap_loc,*rmap_loc; 113 #else 114 PetscInt *cmap,*rmap; 115 #endif 116 117 PetscErrorCode (*destroy)(Mat); 118 } Mat_SubMat; 119 120 PETSC_INTERN PetscErrorCode MatView_SeqAIJ_Inode(Mat,PetscViewer); 121 PETSC_INTERN PetscErrorCode MatAssemblyEnd_SeqAIJ_Inode(Mat,MatAssemblyType); 122 PETSC_INTERN PetscErrorCode MatDestroy_SeqAIJ_Inode(Mat); 123 PETSC_INTERN PetscErrorCode MatCreate_SeqAIJ_Inode(Mat); 124 PETSC_INTERN PetscErrorCode MatSetOption_SeqAIJ_Inode(Mat,MatOption,PetscBool); 125 PETSC_INTERN PetscErrorCode MatDuplicate_SeqAIJ_Inode(Mat,MatDuplicateOption,Mat*); 126 PETSC_INTERN PetscErrorCode MatDuplicateNoCreate_SeqAIJ(Mat,Mat,MatDuplicateOption,PetscBool); 127 PETSC_INTERN PetscErrorCode MatLUFactorNumeric_SeqAIJ_Inode_inplace(Mat,Mat,const MatFactorInfo*); 128 PETSC_INTERN PetscErrorCode MatLUFactorNumeric_SeqAIJ_Inode(Mat,Mat,const MatFactorInfo*); 129 130 typedef struct { 131 SEQAIJHEADER(MatScalar); 132 Mat_SeqAIJ_Inode inode; 133 MatScalar *saved_values; /* location for stashing nonzero values of matrix */ 134 135 PetscScalar *idiag,*mdiag,*ssor_work; /* inverse of diagonal entries, diagonal values and workspace for Eisenstat trick */ 136 PetscBool idiagvalid; /* current idiag[] and mdiag[] are valid */ 137 PetscScalar *ibdiag; /* inverses of block diagonals */ 138 PetscBool ibdiagvalid; /* inverses of block diagonals are valid. */ 139 PetscScalar fshift,omega; /* last used omega and fshift */ 140 141 ISColoring coloring; /* set with MatADSetColoring() used by MatADSetValues() */ 142 143 PetscScalar *matmult_abdense; /* used by MatMatMult() */ 144 Mat_PtAP *ptap; /* used by MatPtAP() */ 145 Mat_MatMatMatMult *matmatmatmult; /* used by MatMatMatMult() */ 146 Mat_RARt *rart; /* used by MatRARt() */ 147 Mat_MatMatTransMult *abt; /* used by MatMatTransposeMult() */ 148 149 /* used by MatGetSubMatrices_MPIAIJ_SingleIS_Local */ 150 Mat_SubMat *submatis1; 151 } Mat_SeqAIJ; 152 153 /* 154 Frees the a, i, and j arrays from the XAIJ (AIJ, BAIJ, and SBAIJ) matrix types 155 */ 156 PETSC_STATIC_INLINE PetscErrorCode MatSeqXAIJFreeAIJ(Mat AA,MatScalar **a,PetscInt **j,PetscInt **i) 157 { 158 PetscErrorCode ierr; 159 Mat_SeqAIJ *A = (Mat_SeqAIJ*) AA->data; 160 if (A->singlemalloc) { 161 ierr = PetscFree3(*a,*j,*i);CHKERRQ(ierr); 162 } else { 163 if (A->free_a) {ierr = PetscFree(*a);CHKERRQ(ierr);} 164 if (A->free_ij) {ierr = PetscFree(*j);CHKERRQ(ierr);} 165 if (A->free_ij) {ierr = PetscFree(*i);CHKERRQ(ierr);} 166 } 167 return 0; 168 } 169 /* 170 Allocates larger a, i, and j arrays for the XAIJ (AIJ, BAIJ, and SBAIJ) matrix types 171 This is a macro because it takes the datatype as an argument which can be either a Mat or a MatScalar 172 */ 173 #define MatSeqXAIJReallocateAIJ(Amat,AM,BS2,NROW,ROW,COL,RMAX,AA,AI,AJ,RP,AP,AIMAX,NONEW,datatype) \ 174 if (NROW >= RMAX) { \ 175 Mat_SeqAIJ *Ain = (Mat_SeqAIJ*)Amat->data; \ 176 /* there is no extra room in row, therefore enlarge */ \ 177 PetscInt CHUNKSIZE = 15,new_nz = AI[AM] + CHUNKSIZE,len,*new_i=0,*new_j=0; \ 178 datatype *new_a; \ 179 \ 180 if (NONEW == -2) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"New nonzero at (%D,%D) caused a malloc\nUse MatSetOption(A, MAT_NEW_NONZERO_ALLOCATION_ERR, PETSC_FALSE) to turn off this check",ROW,COL); \ 181 /* malloc new storage space */ \ 182 ierr = PetscMalloc3(BS2*new_nz,&new_a,new_nz,&new_j,AM+1,&new_i);CHKERRQ(ierr); \ 183 \ 184 /* copy over old data into new slots */ \ 185 for (ii=0; ii<ROW+1; ii++) {new_i[ii] = AI[ii];} \ 186 for (ii=ROW+1; ii<AM+1; ii++) {new_i[ii] = AI[ii]+CHUNKSIZE;} \ 187 ierr = PetscMemcpy(new_j,AJ,(AI[ROW]+NROW)*sizeof(PetscInt));CHKERRQ(ierr); \ 188 len = (new_nz - CHUNKSIZE - AI[ROW] - NROW); \ 189 ierr = PetscMemcpy(new_j+AI[ROW]+NROW+CHUNKSIZE,AJ+AI[ROW]+NROW,len*sizeof(PetscInt));CHKERRQ(ierr); \ 190 ierr = PetscMemcpy(new_a,AA,BS2*(AI[ROW]+NROW)*sizeof(datatype));CHKERRQ(ierr); \ 191 ierr = PetscMemzero(new_a+BS2*(AI[ROW]+NROW),BS2*CHUNKSIZE*sizeof(datatype));CHKERRQ(ierr); \ 192 ierr = PetscMemcpy(new_a+BS2*(AI[ROW]+NROW+CHUNKSIZE),AA+BS2*(AI[ROW]+NROW),BS2*len*sizeof(datatype));CHKERRQ(ierr); \ 193 /* free up old matrix storage */ \ 194 ierr = MatSeqXAIJFreeAIJ(A,&Ain->a,&Ain->j,&Ain->i);CHKERRQ(ierr); \ 195 AA = new_a; \ 196 Ain->a = (MatScalar*) new_a; \ 197 AI = Ain->i = new_i; AJ = Ain->j = new_j; \ 198 Ain->singlemalloc = PETSC_TRUE; \ 199 \ 200 RP = AJ + AI[ROW]; AP = AA + BS2*AI[ROW]; \ 201 RMAX = AIMAX[ROW] = AIMAX[ROW] + CHUNKSIZE; \ 202 Ain->maxnz += BS2*CHUNKSIZE; \ 203 Ain->reallocs++; \ 204 } \ 205 206 207 PETSC_INTERN PetscErrorCode MatSeqAIJSetPreallocation_SeqAIJ(Mat,PetscInt,const PetscInt*); 208 PETSC_INTERN PetscErrorCode MatILUFactorSymbolic_SeqAIJ_inplace(Mat,Mat,IS,IS,const MatFactorInfo*); 209 PETSC_INTERN PetscErrorCode MatILUFactorSymbolic_SeqAIJ(Mat,Mat,IS,IS,const MatFactorInfo*); 210 PETSC_INTERN PetscErrorCode MatILUFactorSymbolic_SeqAIJ_ilu0(Mat,Mat,IS,IS,const MatFactorInfo*); 211 212 PETSC_INTERN PetscErrorCode MatICCFactorSymbolic_SeqAIJ_inplace(Mat,Mat,IS,const MatFactorInfo*); 213 PETSC_INTERN PetscErrorCode MatICCFactorSymbolic_SeqAIJ(Mat,Mat,IS,const MatFactorInfo*); 214 PETSC_INTERN PetscErrorCode MatCholeskyFactorSymbolic_SeqAIJ_inplace(Mat,Mat,IS,const MatFactorInfo*); 215 PETSC_INTERN PetscErrorCode MatCholeskyFactorSymbolic_SeqAIJ(Mat,Mat,IS,const MatFactorInfo*); 216 PETSC_INTERN PetscErrorCode MatCholeskyFactorNumeric_SeqAIJ_inplace(Mat,Mat,const MatFactorInfo*); 217 PETSC_INTERN PetscErrorCode MatCholeskyFactorNumeric_SeqAIJ(Mat,Mat,const MatFactorInfo*); 218 PETSC_INTERN PetscErrorCode MatDuplicate_SeqAIJ(Mat,MatDuplicateOption,Mat*); 219 PETSC_INTERN PetscErrorCode MatCopy_SeqAIJ(Mat,Mat,MatStructure); 220 PETSC_INTERN PetscErrorCode MatMissingDiagonal_SeqAIJ(Mat,PetscBool*,PetscInt*); 221 PETSC_INTERN PetscErrorCode MatMarkDiagonal_SeqAIJ(Mat); 222 PETSC_INTERN PetscErrorCode MatFindZeroDiagonals_SeqAIJ_Private(Mat,PetscInt*,PetscInt**); 223 224 PETSC_INTERN PetscErrorCode MatMult_SeqAIJ(Mat A,Vec,Vec); 225 PETSC_INTERN PetscErrorCode MatMultAdd_SeqAIJ(Mat A,Vec,Vec,Vec); 226 PETSC_INTERN PetscErrorCode MatMultTranspose_SeqAIJ(Mat A,Vec,Vec); 227 PETSC_INTERN PetscErrorCode MatMultTransposeAdd_SeqAIJ(Mat A,Vec,Vec,Vec); 228 PETSC_INTERN PetscErrorCode MatSOR_SeqAIJ(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec); 229 230 PETSC_INTERN PetscErrorCode MatSetOption_SeqAIJ(Mat,MatOption,PetscBool); 231 232 PETSC_INTERN PetscErrorCode MatGetSymbolicTranspose_SeqAIJ(Mat,PetscInt *[],PetscInt *[]); 233 PETSC_INTERN PetscErrorCode MatGetSymbolicTransposeReduced_SeqAIJ(Mat,PetscInt,PetscInt,PetscInt *[],PetscInt *[]); 234 PETSC_INTERN PetscErrorCode MatRestoreSymbolicTranspose_SeqAIJ(Mat,PetscInt *[],PetscInt *[]); 235 PETSC_INTERN PetscErrorCode MatTransposeSymbolic_SeqAIJ(Mat,Mat*); 236 PETSC_INTERN PetscErrorCode MatTranspose_SeqAIJ(Mat,MatReuse,Mat*); 237 PETSC_INTERN PetscErrorCode MatToSymmetricIJ_SeqAIJ(PetscInt,PetscInt*,PetscInt*,PetscBool,PetscInt,PetscInt,PetscInt**,PetscInt**); 238 PETSC_INTERN PetscErrorCode MatLUFactorSymbolic_SeqAIJ_inplace(Mat,Mat,IS,IS,const MatFactorInfo*); 239 PETSC_INTERN PetscErrorCode MatLUFactorSymbolic_SeqAIJ(Mat,Mat,IS,IS,const MatFactorInfo*); 240 PETSC_INTERN PetscErrorCode MatLUFactorNumeric_SeqAIJ_inplace(Mat,Mat,const MatFactorInfo*); 241 PETSC_INTERN PetscErrorCode MatLUFactorNumeric_SeqAIJ(Mat,Mat,const MatFactorInfo*); 242 PETSC_INTERN PetscErrorCode MatLUFactorNumeric_SeqAIJ_InplaceWithPerm(Mat,Mat,const MatFactorInfo*); 243 PETSC_INTERN PetscErrorCode MatLUFactor_SeqAIJ(Mat,IS,IS,const MatFactorInfo*); 244 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ_inplace(Mat,Vec,Vec); 245 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ(Mat,Vec,Vec); 246 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ_Inode_inplace(Mat,Vec,Vec); 247 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ_Inode(Mat,Vec,Vec); 248 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ_NaturalOrdering_inplace(Mat,Vec,Vec); 249 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ_NaturalOrdering(Mat,Vec,Vec); 250 PETSC_INTERN PetscErrorCode MatSolve_SeqAIJ_InplaceWithPerm(Mat,Vec,Vec); 251 PETSC_INTERN PetscErrorCode MatSolveAdd_SeqAIJ_inplace(Mat,Vec,Vec,Vec); 252 PETSC_INTERN PetscErrorCode MatSolveAdd_SeqAIJ(Mat,Vec,Vec,Vec); 253 PETSC_INTERN PetscErrorCode MatSolveTranspose_SeqAIJ_inplace(Mat,Vec,Vec); 254 PETSC_INTERN PetscErrorCode MatSolveTranspose_SeqAIJ(Mat,Vec,Vec); 255 PETSC_INTERN PetscErrorCode MatSolveTransposeAdd_SeqAIJ_inplace(Mat,Vec,Vec,Vec); 256 PETSC_INTERN PetscErrorCode MatSolveTransposeAdd_SeqAIJ(Mat,Vec,Vec,Vec); 257 PETSC_INTERN PetscErrorCode MatMatSolve_SeqAIJ_inplace(Mat,Mat,Mat); 258 PETSC_INTERN PetscErrorCode MatMatSolve_SeqAIJ(Mat,Mat,Mat); 259 PETSC_INTERN PetscErrorCode MatEqual_SeqAIJ(Mat,Mat,PetscBool*); 260 PETSC_INTERN PetscErrorCode MatFDColoringCreate_SeqXAIJ(Mat,ISColoring,MatFDColoring); 261 PETSC_INTERN PetscErrorCode MatFDColoringSetUp_SeqXAIJ(Mat,ISColoring,MatFDColoring); 262 PETSC_INTERN PetscErrorCode MatFDColoringSetUpBlocked_AIJ_Private(Mat,MatFDColoring,PetscInt); 263 PETSC_INTERN PetscErrorCode MatLoad_SeqAIJ(Mat,PetscViewer); 264 PETSC_INTERN PetscErrorCode RegisterApplyPtAPRoutines_Private(Mat); 265 266 PETSC_INTERN PetscErrorCode MatMatMult_SeqAIJ_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 267 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqAIJ_SeqAIJ(Mat,Mat,PetscReal,Mat*); 268 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqAIJ_SeqAIJ_Scalable(Mat,Mat,PetscReal,Mat*); 269 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqAIJ_SeqAIJ_Scalable_fast(Mat,Mat,PetscReal,Mat*); 270 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqAIJ_SeqAIJ_Heap(Mat,Mat,PetscReal,Mat*); 271 PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqAIJ_SeqAIJ_BTHeap(Mat,Mat,PetscReal,Mat*); 272 PETSC_INTERN PetscErrorCode MatMatMultNumeric_SeqAIJ_SeqAIJ(Mat,Mat,Mat); 273 PETSC_INTERN PetscErrorCode MatMatMultNumeric_SeqAIJ_SeqAIJ_Scalable(Mat,Mat,Mat); 274 275 PETSC_INTERN PetscErrorCode MatPtAP_SeqAIJ_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 276 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_SeqAIJ_SeqAIJ_DenseAxpy(Mat,Mat,PetscReal,Mat*); 277 PETSC_INTERN PetscErrorCode MatPtAPSymbolic_SeqAIJ_SeqAIJ_SparseAxpy(Mat,Mat,PetscReal,Mat*); 278 PETSC_INTERN PetscErrorCode MatPtAPNumeric_SeqAIJ_SeqAIJ(Mat,Mat,Mat); 279 PETSC_INTERN PetscErrorCode MatPtAPNumeric_SeqAIJ_SeqAIJ_SparseAxpy(Mat,Mat,Mat); 280 281 PETSC_INTERN PetscErrorCode MatRARtSymbolic_SeqAIJ_SeqAIJ(Mat,Mat,PetscReal,Mat*); 282 PETSC_INTERN PetscErrorCode MatRARtSymbolic_SeqAIJ_SeqAIJ_matmattransposemult(Mat,Mat,PetscReal,Mat*); 283 PETSC_INTERN PetscErrorCode MatRARtSymbolic_SeqAIJ_SeqAIJ_colorrart(Mat,Mat,PetscReal,Mat*); 284 PETSC_INTERN PetscErrorCode MatRARtNumeric_SeqAIJ_SeqAIJ(Mat,Mat,Mat); 285 PETSC_INTERN PetscErrorCode MatRARtNumeric_SeqAIJ_SeqAIJ_matmattransposemult(Mat,Mat,Mat); 286 PETSC_INTERN PetscErrorCode MatRARtNumeric_SeqAIJ_SeqAIJ_colorrart(Mat,Mat,Mat); 287 288 PETSC_INTERN PetscErrorCode MatTransposeMatMult_SeqAIJ_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 289 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_SeqAIJ_SeqAIJ(Mat,Mat,PetscReal,Mat*); 290 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_SeqAIJ_SeqAIJ(Mat,Mat,Mat); 291 292 PETSC_INTERN PetscErrorCode MatTransposeMatMult_SeqAIJ_SeqDense(Mat,Mat,MatReuse,PetscReal,Mat*); 293 PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_SeqAIJ_SeqDense(Mat,Mat,PetscReal,Mat*); 294 PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_SeqAIJ_SeqDense(Mat,Mat,Mat); 295 296 PETSC_INTERN PetscErrorCode MatMatTransposeMult_SeqAIJ_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 297 PETSC_INTERN PetscErrorCode MatMatTransposeMultSymbolic_SeqAIJ_SeqAIJ(Mat,Mat,PetscReal,Mat*); 298 PETSC_INTERN PetscErrorCode MatMatTransposeMultNumeric_SeqAIJ_SeqAIJ(Mat,Mat,Mat); 299 PETSC_INTERN PetscErrorCode MatTransposeColoringCreate_SeqAIJ(Mat,ISColoring,MatTransposeColoring); 300 PETSC_INTERN PetscErrorCode MatTransColoringApplySpToDen_SeqAIJ(MatTransposeColoring,Mat,Mat); 301 PETSC_INTERN PetscErrorCode MatTransColoringApplyDenToSp_SeqAIJ(MatTransposeColoring,Mat,Mat); 302 303 PETSC_INTERN PetscErrorCode MatMatMatMult_SeqAIJ_SeqAIJ_SeqAIJ(Mat,Mat,Mat,MatReuse,PetscReal,Mat*); 304 PETSC_INTERN PetscErrorCode MatMatMatMultSymbolic_SeqAIJ_SeqAIJ_SeqAIJ(Mat,Mat,Mat,PetscReal,Mat*); 305 PETSC_INTERN PetscErrorCode MatMatMatMultNumeric_SeqAIJ_SeqAIJ_SeqAIJ(Mat,Mat,Mat,Mat); 306 307 PETSC_INTERN PetscErrorCode MatSetValues_SeqAIJ(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 308 PETSC_INTERN PetscErrorCode MatGetRow_SeqAIJ(Mat,PetscInt,PetscInt*,PetscInt**,PetscScalar**); 309 PETSC_INTERN PetscErrorCode MatRestoreRow_SeqAIJ(Mat,PetscInt,PetscInt*,PetscInt**,PetscScalar**); 310 PETSC_INTERN PetscErrorCode MatAXPY_SeqAIJ(Mat,PetscScalar,Mat,MatStructure); 311 PETSC_INTERN PetscErrorCode MatGetRowIJ_SeqAIJ(Mat,PetscInt,PetscBool,PetscBool,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool*); 312 PETSC_INTERN PetscErrorCode MatRestoreRowIJ_SeqAIJ(Mat,PetscInt,PetscBool,PetscBool,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool*); 313 PETSC_INTERN PetscErrorCode MatGetColumnIJ_SeqAIJ(Mat,PetscInt,PetscBool,PetscBool,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool*); 314 PETSC_INTERN PetscErrorCode MatRestoreColumnIJ_SeqAIJ(Mat,PetscInt,PetscBool,PetscBool,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool*); 315 PETSC_INTERN PetscErrorCode MatGetColumnIJ_SeqAIJ_Color(Mat,PetscInt,PetscBool,PetscBool,PetscInt*,const PetscInt *[],const PetscInt *[],PetscInt *[],PetscBool*); 316 PETSC_INTERN PetscErrorCode MatRestoreColumnIJ_SeqAIJ_Color(Mat,PetscInt,PetscBool,PetscBool,PetscInt*,const PetscInt *[],const PetscInt *[],PetscInt *[],PetscBool*); 317 PETSC_INTERN PetscErrorCode MatDestroy_SeqAIJ(Mat); 318 PETSC_INTERN PetscErrorCode MatSetUp_SeqAIJ(Mat); 319 PETSC_INTERN PetscErrorCode MatView_SeqAIJ(Mat,PetscViewer); 320 321 PETSC_INTERN PetscErrorCode MatSeqAIJInvalidateDiagonal(Mat); 322 PETSC_INTERN PetscErrorCode MatSeqAIJInvalidateDiagonal_Inode(Mat); 323 PETSC_INTERN PetscErrorCode MatSeqAIJCheckInode(Mat); 324 PETSC_INTERN PetscErrorCode MatSeqAIJCheckInode_FactorLU(Mat); 325 326 PETSC_INTERN PetscErrorCode MatAXPYGetPreallocation_SeqAIJ(Mat,Mat,PetscInt*); 327 328 PETSC_INTERN PetscErrorCode MatConvert_SeqAIJ_SeqSBAIJ(Mat,MatType,MatReuse,Mat*); 329 PETSC_INTERN PetscErrorCode MatConvert_SeqAIJ_SeqBAIJ(Mat,MatType,MatReuse,Mat*); 330 PETSC_INTERN PetscErrorCode MatConvert_SeqAIJ_SeqAIJPERM(Mat,MatType,MatReuse,Mat*); 331 PETSC_INTERN PetscErrorCode MatReorderForNonzeroDiagonal_SeqAIJ(Mat,PetscReal,IS,IS); 332 PETSC_INTERN PetscErrorCode MatMatMult_SeqDense_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 333 PETSC_INTERN PetscErrorCode MatRARt_SeqAIJ_SeqAIJ(Mat,Mat,MatReuse,PetscReal,Mat*); 334 PETSC_EXTERN PetscErrorCode MatCreate_SeqAIJ(Mat); 335 PETSC_INTERN PetscErrorCode MatAssemblyEnd_SeqAIJ(Mat,MatAssemblyType); 336 PETSC_INTERN PetscErrorCode MatDestroy_SeqAIJ(Mat); 337 338 PETSC_INTERN PetscErrorCode MatAXPYGetPreallocation_SeqX_private(PetscInt,const PetscInt*,const PetscInt*,const PetscInt*,const PetscInt*,PetscInt*); 339 PETSC_INTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat_SeqAIJ(MPI_Comm,Mat,PetscInt,MatReuse,Mat*); 340 PETSC_INTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat_MPIAIJ(MPI_Comm,Mat,PetscInt,MatReuse,Mat*); 341 342 PETSC_INTERN PetscErrorCode MatSetSeqMat_SeqAIJ(Mat,IS,IS,MatStructure,Mat); 343 344 /* 345 PetscSparseDenseMinusDot - The inner kernel of triangular solves and Gauss-Siedel smoothing. \sum_i xv[i] * r[xi[i]] for CSR storage 346 347 Input Parameters: 348 + nnz - the number of entries 349 . r - the array of vector values 350 . xv - the matrix values for the row 351 - xi - the column indices of the nonzeros in the row 352 353 Output Parameter: 354 . sum - negative the sum of results 355 356 PETSc compile flags: 357 + PETSC_KERNEL_USE_UNROLL_4 - don't use this; it changes nnz and hence is WRONG 358 - PETSC_KERNEL_USE_UNROLL_2 - 359 360 .seealso: PetscSparseDensePlusDot() 361 362 */ 363 #if defined(PETSC_KERNEL_USE_UNROLL_4) 364 #define PetscSparseDenseMinusDot(sum,r,xv,xi,nnz) { \ 365 if (nnz > 0) { \ 366 switch (nnz & 0x3) { \ 367 case 3: sum -= *xv++ *r[*xi++]; \ 368 case 2: sum -= *xv++ *r[*xi++]; \ 369 case 1: sum -= *xv++ *r[*xi++]; \ 370 nnz -= 4;} \ 371 while (nnz > 0) { \ 372 sum -= xv[0] * r[xi[0]] - xv[1] * r[xi[1]] - \ 373 xv[2] * r[xi[2]] - xv[3] * r[xi[3]]; \ 374 xv += 4; xi += 4; nnz -= 4; }}} 375 376 #elif defined(PETSC_KERNEL_USE_UNROLL_2) 377 #define PetscSparseDenseMinusDot(sum,r,xv,xi,nnz) { \ 378 PetscInt __i,__i1,__i2; \ 379 for (__i=0; __i<nnz-1; __i+=2) {__i1 = xi[__i]; __i2=xi[__i+1]; \ 380 sum -= (xv[__i]*r[__i1] + xv[__i+1]*r[__i2]);} \ 381 if (nnz & 0x1) sum -= xv[__i] * r[xi[__i]];} 382 383 #else 384 #define PetscSparseDenseMinusDot(sum,r,xv,xi,nnz) { \ 385 PetscInt __i; \ 386 for (__i=0; __i<nnz; __i++) sum -= xv[__i] * r[xi[__i]];} 387 #endif 388 389 390 391 /* 392 PetscSparseDensePlusDot - The inner kernel of matrix-vector product \sum_i xv[i] * r[xi[i]] for CSR storage 393 394 Input Parameters: 395 + nnz - the number of entries 396 . r - the array of vector values 397 . xv - the matrix values for the row 398 - xi - the column indices of the nonzeros in the row 399 400 Output Parameter: 401 . sum - the sum of results 402 403 PETSc compile flags: 404 + PETSC_KERNEL_USE_UNROLL_4 - don't use this; it changes nnz and hence is WRONG 405 - PETSC_KERNEL_USE_UNROLL_2 - 406 407 .seealso: PetscSparseDenseMinusDot() 408 409 */ 410 #if defined(PETSC_KERNEL_USE_UNROLL_4) 411 #define PetscSparseDensePlusDot(sum,r,xv,xi,nnz) { \ 412 if (nnz > 0) { \ 413 switch (nnz & 0x3) { \ 414 case 3: sum += *xv++ *r[*xi++]; \ 415 case 2: sum += *xv++ *r[*xi++]; \ 416 case 1: sum += *xv++ *r[*xi++]; \ 417 nnz -= 4;} \ 418 while (nnz > 0) { \ 419 sum += xv[0] * r[xi[0]] + xv[1] * r[xi[1]] + \ 420 xv[2] * r[xi[2]] + xv[3] * r[xi[3]]; \ 421 xv += 4; xi += 4; nnz -= 4; }}} 422 423 #elif defined(PETSC_KERNEL_USE_UNROLL_2) 424 #define PetscSparseDensePlusDot(sum,r,xv,xi,nnz) { \ 425 PetscInt __i,__i1,__i2; \ 426 for (__i=0; __i<nnz-1; __i+=2) {__i1 = xi[__i]; __i2=xi[__i+1]; \ 427 sum += (xv[__i]*r[__i1] + xv[__i+1]*r[__i2]);} \ 428 if (nnz & 0x1) sum += xv[__i] * r[xi[__i]];} 429 430 #else 431 #define PetscSparseDensePlusDot(sum,r,xv,xi,nnz) { \ 432 PetscInt __i; \ 433 for (__i=0; __i<nnz; __i++) sum += xv[__i] * r[xi[__i]];} 434 #endif 435 436 437 /* 438 PetscSparseDenseMaxDot - The inner kernel of a modified matrix-vector product \max_i xv[i] * r[xi[i]] for CSR storage 439 440 Input Parameters: 441 + nnz - the number of entries 442 . r - the array of vector values 443 . xv - the matrix values for the row 444 - xi - the column indices of the nonzeros in the row 445 446 Output Parameter: 447 . max - the max of results 448 449 .seealso: PetscSparseDensePlusDot(), PetscSparseDenseMinusDot() 450 451 */ 452 #define PetscSparseDenseMaxDot(max,r,xv,xi,nnz) { \ 453 PetscInt __i; \ 454 for (__i=0; __i<nnz; __i++) max = PetscMax(PetscRealPart(max), PetscRealPart(xv[__i] * r[xi[__i]]));} 455 456 /* 457 Add column indices into table for counting the max nonzeros of merged rows 458 */ 459 #define MatRowMergeMax_SeqAIJ(mat,nrows,ta) { \ 460 PetscInt _j,_row,_nz,*_col; \ 461 for (_row=0; _row<nrows; _row++) {\ 462 _nz = mat->i[_row+1] - mat->i[_row]; \ 463 for (_j=0; _j<_nz; _j++) { \ 464 _col = _j + mat->j + mat->i[_row]; \ 465 PetscTableAdd(ta,*_col+1,1,INSERT_VALUES); \ 466 } \ 467 } \ 468 } 469 470 /* 471 Add column indices into table for counting the nonzeros of merged rows 472 */ 473 #define MatMergeRows_SeqAIJ(mat,nrows,rows,ta) { \ 474 PetscInt _j,_row,_nz,*_col,_i; \ 475 for (_i=0; _i<nrows; _i++) {\ 476 _row = rows[_i]; \ 477 _nz = mat->i[_row+1] - mat->i[_row]; \ 478 for (_j=0; _j<_nz; _j++) { \ 479 _col = _j + mat->j + mat->i[_row]; \ 480 PetscTableAdd(ta,*_col+1,1,INSERT_VALUES); \ 481 } \ 482 } \ 483 } 484 485 #endif 486