1 /* 2 Include file for the matrix component of PETSc 3 */ 4 #ifndef __PETSCMAT_H 5 #define __PETSCMAT_H 6 #include <petscvec.h> 7 8 /*S 9 Mat - Abstract PETSc matrix object used to manage all linear operators in PETSc, even those without 10 an explicit sparse representation (such as matrix-free operators) 11 12 Level: beginner 13 14 Concepts: matrix; linear operator 15 16 .seealso: MatCreate(), MatType, MatSetType(), MatDestroy() 17 S*/ 18 typedef struct _p_Mat* Mat; 19 20 /*J 21 MatType - String with the name of a PETSc matrix type 22 23 Level: beginner 24 25 .seealso: MatSetType(), Mat, MatSolverPackage, MatRegister() 26 J*/ 27 typedef const char* MatType; 28 #define MATSAME "same" 29 #define MATMAIJ "maij" 30 #define MATSEQMAIJ "seqmaij" 31 #define MATMPIMAIJ "mpimaij" 32 #define MATIS "is" 33 #define MATAIJ "aij" 34 #define MATSEQAIJ "seqaij" 35 #define MATMPIAIJ "mpiaij" 36 #define MATAIJCRL "aijcrl" 37 #define MATSEQAIJCRL "seqaijcrl" 38 #define MATMPIAIJCRL "mpiaijcrl" 39 #define MATAIJCUSP "aijcusp" 40 #define MATSEQAIJCUSP "seqaijcusp" 41 #define MATMPIAIJCUSP "mpiaijcusp" 42 #define MATAIJCUSPARSE "aijcusparse" 43 #define MATSEQAIJCUSPARSE "seqaijcusparse" 44 #define MATMPIAIJCUSPARSE "mpiaijcusparse" 45 #define MATAIJVIENNACL "aijviennacl" 46 #define MATSEQAIJVIENNACL "seqaijviennacl" 47 #define MATMPIAIJVIENNACL "mpiaijviennacl" 48 #define MATAIJPERM "aijperm" 49 #define MATSEQAIJPERM "seqaijperm" 50 #define MATMPIAIJPERM "mpiaijperm" 51 #define MATAIJMKL "aijmkl" 52 #define MATSEQAIJMKL "seqaijmkl" 53 #define MATMPIAIJMKL "mpiaijmkl" 54 #define MATSHELL "shell" 55 #define MATDENSE "dense" 56 #define MATSEQDENSE "seqdense" 57 #define MATMPIDENSE "mpidense" 58 #define MATELEMENTAL "elemental" 59 #define MATBAIJ "baij" 60 #define MATSEQBAIJ "seqbaij" 61 #define MATMPIBAIJ "mpibaij" 62 #define MATMPIADJ "mpiadj" 63 #define MATSBAIJ "sbaij" 64 #define MATSEQSBAIJ "seqsbaij" 65 #define MATMPISBAIJ "mpisbaij" 66 #define MATDAAD "daad" 67 #define MATMFFD "mffd" 68 #define MATNORMAL "normal" 69 #define MATNORMALHERMITIAN "normalh" 70 #define MATLRC "lrc" 71 #define MATSCATTER "scatter" 72 #define MATBLOCKMAT "blockmat" 73 #define MATCOMPOSITE "composite" 74 #define MATFFT "fft" 75 #define MATFFTW "fftw" 76 #define MATSEQCUFFT "seqcufft" 77 #define MATTRANSPOSEMAT "transpose" 78 #define MATSCHURCOMPLEMENT "schurcomplement" 79 #define MATPYTHON "python" 80 #define MATHYPRE "hypre" 81 #define MATHYPRESTRUCT "hyprestruct" 82 #define MATHYPRESSTRUCT "hypresstruct" 83 #define MATSUBMATRIX "submatrix" 84 #define MATLOCALREF "localref" 85 #define MATNEST "nest" 86 #define MATPREALLOCATOR "preallocator" 87 #define MATDUMMY "dummy" 88 89 /*J 90 MatSolverPackage - String with the name of a PETSc matrix solver type. 91 92 For example: "petsc" indicates what PETSc provides, "superlu_dist" the parallel SuperLU_DIST package etc 93 94 Level: beginner 95 96 .seealso: MatGetFactor(), Mat, MatSetType(), MatType 97 J*/ 98 #define MatSolverPackage char* 99 #define MATSOLVERSUPERLU "superlu" 100 #define MATSOLVERSUPERLU_DIST "superlu_dist" 101 #define MATSOLVERSTRUMPACK "strumpack" 102 #define MATSOLVERUMFPACK "umfpack" 103 #define MATSOLVERCHOLMOD "cholmod" 104 #define MATSOLVERKLU "klu" 105 #define MATSOLVERSPARSEELEMENTAL "sparseelemental" 106 #define MATSOLVERELEMENTAL "elemental" 107 #define MATSOLVERESSL "essl" 108 #define MATSOLVERLUSOL "lusol" 109 #define MATSOLVERMUMPS "mumps" 110 #define MATSOLVERMKL_PARDISO "mkl_pardiso" 111 #define MATSOLVERMKL_CPARDISO "mkl_cpardiso" 112 #define MATSOLVERPASTIX "pastix" 113 #define MATSOLVERMATLAB "matlab" 114 #define MATSOLVERPETSC "petsc" 115 #define MATSOLVERBAS "bas" 116 #define MATSOLVERCUSPARSE "cusparse" 117 118 /*E 119 MatFactorType - indicates what type of factorization is requested 120 121 Level: beginner 122 123 Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h 124 125 .seealso: MatSolverPackage, MatGetFactor() 126 E*/ 127 typedef enum {MAT_FACTOR_NONE, MAT_FACTOR_LU, MAT_FACTOR_CHOLESKY, MAT_FACTOR_ILU, MAT_FACTOR_ICC,MAT_FACTOR_ILUDT} MatFactorType; 128 PETSC_EXTERN const char *const MatFactorTypes[]; 129 130 PETSC_EXTERN PetscErrorCode MatGetFactor(Mat,const MatSolverPackage,MatFactorType,Mat*); 131 PETSC_EXTERN PetscErrorCode MatGetFactorAvailable(Mat,const MatSolverPackage,MatFactorType,PetscBool *); 132 PETSC_EXTERN PetscErrorCode MatFactorGetSolverPackage(Mat,const MatSolverPackage*); 133 PETSC_EXTERN PetscErrorCode MatGetFactorType(Mat,MatFactorType*); 134 PETSC_EXTERN PetscErrorCode MatSolverPackageRegister(const MatSolverPackage,const MatType,MatFactorType,PetscErrorCode(*)(Mat,MatFactorType,Mat*)); 135 PETSC_EXTERN PetscErrorCode MatSolverPackageGet(const MatSolverPackage,const MatType,MatFactorType,PetscBool*,PetscBool*,PetscErrorCode (**)(Mat,MatFactorType,Mat*)); 136 137 /* Logging support */ 138 #define MAT_FILE_CLASSID 1211216 /* used to indicate matrices in binary files */ 139 PETSC_EXTERN PetscClassId MAT_CLASSID; 140 PETSC_EXTERN PetscClassId MAT_COLORING_CLASSID; 141 PETSC_EXTERN PetscClassId MAT_FDCOLORING_CLASSID; 142 PETSC_EXTERN PetscClassId MAT_TRANSPOSECOLORING_CLASSID; 143 PETSC_EXTERN PetscClassId MAT_PARTITIONING_CLASSID; 144 PETSC_EXTERN PetscClassId MAT_COARSEN_CLASSID; 145 PETSC_EXTERN PetscClassId MAT_NULLSPACE_CLASSID; 146 PETSC_EXTERN PetscClassId MATMFFD_CLASSID; 147 148 /*E 149 MatReuse - Indicates if matrices obtained from a previous call to MatCreateSubMatrices(), MatCreateSubMatrix(), MatConvert() or several other functions 150 are to be reused to store the new matrix values. 151 152 $ MAT_INITIAL_MATRIX - create a new matrix 153 $ MAT_REUSE_MATRIX - reuse the matrix created with a previous call that used MAT_INITIAL_MATRIX 154 $ MAT_INPLACE_MATRIX - replace the first input matrix with the new matrix (not applicable to all functions) 155 $ MAT_IGNORE_MATRIX - do not create a new matrix or reuse a give matrix, just ignore that matrix argument (not applicable to all functions) 156 157 Level: beginner 158 159 Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h 160 161 .seealso: MatCreateSubMatrices(), MatCreateSubMatrix(), MatDestroyMatrices(), MatConvert() 162 E*/ 163 typedef enum {MAT_INITIAL_MATRIX,MAT_REUSE_MATRIX,MAT_IGNORE_MATRIX,MAT_INPLACE_MATRIX} MatReuse; 164 165 /*E 166 MatCreateSubMatrixOption - Indicates if matrices obtained from a call to MatCreateSubMatrices() 167 include the matrix values. Currently it is only used by MatGetSeqNonzerostructure(). 168 169 Level: beginner 170 171 .seealso: MatGetSeqNonzerostructure() 172 E*/ 173 typedef enum {MAT_DO_NOT_GET_VALUES,MAT_GET_VALUES} MatCreateSubMatrixOption; 174 175 PETSC_EXTERN PetscErrorCode MatInitializePackage(void); 176 177 PETSC_EXTERN PetscErrorCode MatCreate(MPI_Comm,Mat*); 178 PETSC_EXTERN PetscErrorCode MatSetSizes(Mat,PetscInt,PetscInt,PetscInt,PetscInt); 179 PETSC_EXTERN PetscErrorCode MatSetType(Mat,MatType); 180 PETSC_EXTERN PetscErrorCode MatSetFromOptions(Mat); 181 PETSC_STATIC_INLINE PetscErrorCode MatViewFromOptions(Mat A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);} 182 PETSC_EXTERN PetscErrorCode MatRegister(const char[],PetscErrorCode(*)(Mat)); 183 PETSC_EXTERN PetscErrorCode MatRegisterBaseName(const char[],const char[],const char[]); 184 PETSC_EXTERN PetscErrorCode MatSetOptionsPrefix(Mat,const char[]); 185 PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefix(Mat,const char[]); 186 PETSC_EXTERN PetscErrorCode MatGetOptionsPrefix(Mat,const char*[]); 187 PETSC_EXTERN PetscErrorCode MatSetErrorIfFailure(Mat,PetscBool); 188 189 PETSC_EXTERN PetscFunctionList MatList; 190 PETSC_EXTERN PetscFunctionList MatColoringList; 191 PETSC_EXTERN PetscFunctionList MatPartitioningList; 192 193 /*E 194 MatStructure - Indicates if two matrices have the same nonzero structure 195 196 Level: beginner 197 198 Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h 199 200 .seealso: MatCopy(), MatAXPY() 201 E*/ 202 typedef enum {DIFFERENT_NONZERO_PATTERN,SUBSET_NONZERO_PATTERN,SAME_NONZERO_PATTERN} MatStructure; 203 204 PETSC_EXTERN PetscErrorCode MatCreateSeqDense(MPI_Comm,PetscInt,PetscInt,PetscScalar[],Mat*); 205 PETSC_EXTERN PetscErrorCode MatCreateDense(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar[],Mat*); 206 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*); 207 PETSC_EXTERN PetscErrorCode MatCreateAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*); 208 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *); 209 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSplitArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],PetscInt[],PetscInt[],PetscScalar[],Mat*); 210 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSeqAIJ(MPI_Comm,Mat,Mat,const PetscInt[],Mat*); 211 212 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*); 213 PETSC_EXTERN PetscErrorCode MatCreateBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*); 214 PETSC_EXTERN PetscErrorCode MatCreateMPIBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat*); 215 216 PETSC_EXTERN PetscErrorCode MatCreateMPIAdj(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscInt[],Mat*); 217 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*); 218 219 PETSC_EXTERN PetscErrorCode MatCreateSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*); 220 PETSC_EXTERN PetscErrorCode MatCreateMPISBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *); 221 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]); 222 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]); 223 PETSC_EXTERN PetscErrorCode MatXAIJSetPreallocation(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],const PetscInt[]); 224 225 PETSC_EXTERN PetscErrorCode MatCreateShell(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,void *,Mat*); 226 PETSC_EXTERN PetscErrorCode MatCreateNormal(Mat,Mat*); 227 PETSC_EXTERN PetscErrorCode MatCreateNormalHermitian(Mat,Mat*); 228 PETSC_EXTERN PetscErrorCode MatCreateLRC(Mat,Mat,Vec,Mat,Mat*); 229 PETSC_EXTERN PetscErrorCode MatLRCGetMats(Mat,Mat*,Mat*,Vec*,Mat*); 230 PETSC_EXTERN PetscErrorCode MatCreateIS(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,ISLocalToGlobalMapping,ISLocalToGlobalMapping,Mat*); 231 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*); 232 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*); 233 234 PETSC_EXTERN PetscErrorCode MatCreateScatter(MPI_Comm,VecScatter,Mat*); 235 PETSC_EXTERN PetscErrorCode MatScatterSetVecScatter(Mat,VecScatter); 236 PETSC_EXTERN PetscErrorCode MatScatterGetVecScatter(Mat,VecScatter*); 237 PETSC_EXTERN PetscErrorCode MatCreateBlockMat(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,Mat*); 238 PETSC_EXTERN PetscErrorCode MatCompositeAddMat(Mat,Mat); 239 PETSC_EXTERN PetscErrorCode MatCompositeMerge(Mat); 240 PETSC_EXTERN PetscErrorCode MatCreateComposite(MPI_Comm,PetscInt,const Mat*,Mat*); 241 typedef enum {MAT_COMPOSITE_ADDITIVE,MAT_COMPOSITE_MULTIPLICATIVE} MatCompositeType; 242 PETSC_EXTERN PetscErrorCode MatCompositeSetType(Mat,MatCompositeType); 243 244 PETSC_EXTERN PetscErrorCode MatCreateFFT(MPI_Comm,PetscInt,const PetscInt[],MatType,Mat*); 245 PETSC_EXTERN PetscErrorCode MatCreateSeqCUFFT(MPI_Comm,PetscInt,const PetscInt[],Mat*); 246 247 PETSC_EXTERN PetscErrorCode MatCreateTranspose(Mat,Mat*); 248 PETSC_EXTERN PetscErrorCode MatTransposeGetMat(Mat,Mat*); 249 PETSC_EXTERN PetscErrorCode MatCreateHermitianTranspose(Mat,Mat*); 250 PETSC_EXTERN PetscErrorCode MatCreateSubMatrixVirtual(Mat,IS,IS,Mat*); 251 PETSC_EXTERN PetscErrorCode MatSubMatrixVirtualUpdate(Mat,Mat,IS,IS); 252 PETSC_EXTERN PetscErrorCode MatCreateLocalRef(Mat,IS,IS,Mat*); 253 254 #if defined(PETSC_HAVE_HYPRE) 255 PETSC_EXTERN PetscErrorCode MatHYPRESetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]); 256 #endif 257 258 PETSC_EXTERN PetscErrorCode MatPythonSetType(Mat,const char[]); 259 260 PETSC_EXTERN PetscErrorCode MatSetUp(Mat); 261 PETSC_EXTERN PetscErrorCode MatDestroy(Mat*); 262 PETSC_EXTERN PetscErrorCode MatGetNonzeroState(Mat,PetscObjectState*); 263 264 PETSC_EXTERN PetscErrorCode MatConjugate(Mat); 265 PETSC_EXTERN PetscErrorCode MatRealPart(Mat); 266 PETSC_EXTERN PetscErrorCode MatImaginaryPart(Mat); 267 PETSC_EXTERN PetscErrorCode MatGetDiagonalBlock(Mat,Mat*); 268 PETSC_EXTERN PetscErrorCode MatGetTrace(Mat,PetscScalar*); 269 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonal(Mat,const PetscScalar **); 270 271 /* ------------------------------------------------------------*/ 272 PETSC_EXTERN PetscErrorCode MatSetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 273 PETSC_EXTERN PetscErrorCode MatSetValuesBlocked(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 274 PETSC_EXTERN PetscErrorCode MatSetValuesRow(Mat,PetscInt,const PetscScalar[]); 275 PETSC_EXTERN PetscErrorCode MatSetValuesRowLocal(Mat,PetscInt,const PetscScalar[]); 276 PETSC_EXTERN PetscErrorCode MatSetValuesBatch(Mat,PetscInt,PetscInt,PetscInt[],const PetscScalar[]); 277 PETSC_EXTERN PetscErrorCode MatSetRandom(Mat,PetscRandom); 278 279 /*S 280 MatStencil - Data structure (C struct) for storing information about a single row or 281 column of a matrix as indexed on an associated grid. These are arguments to MatSetStencil() and MatSetBlockStencil() 282 283 The i,j, and k represent the logical coordinates over the entire grid (for 2 and 1 dimensional problems the k and j entries are ignored). 284 The c represents the the degrees of freedom at each grid point (the dof argument to DMDASetDOF()). If dof is 1 then this entry is ignored. 285 286 For stencil access to vectors see DMDAVecGetArray(), DMDAVecGetArrayF90(). 287 288 Fortran usage is different, see MatSetValuesStencil() for details. 289 290 Level: beginner 291 292 Concepts: matrix; linear operator 293 294 .seealso: MatSetValuesStencil(), MatSetStencil(), MatSetValuesBlockedStencil(), DMDAVecGetArray(), DMDAVecGetArrayF90() 295 S*/ 296 typedef struct { 297 PetscInt k,j,i,c; 298 } MatStencil; 299 300 PETSC_EXTERN PetscErrorCode MatSetValuesStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode); 301 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode); 302 PETSC_EXTERN PetscErrorCode MatSetStencil(Mat,PetscInt,const PetscInt[],const PetscInt[],PetscInt); 303 304 /*E 305 MatAssemblyType - Indicates if the matrix is now to be used, or if you plan 306 to continue to add or insert values to it 307 308 Level: beginner 309 310 .seealso: MatAssemblyBegin(), MatAssemblyEnd() 311 E*/ 312 typedef enum {MAT_FLUSH_ASSEMBLY=1,MAT_FINAL_ASSEMBLY=0} MatAssemblyType; 313 PETSC_EXTERN PetscErrorCode MatAssemblyBegin(Mat,MatAssemblyType); 314 PETSC_EXTERN PetscErrorCode MatAssemblyEnd(Mat,MatAssemblyType); 315 PETSC_EXTERN PetscErrorCode MatAssembled(Mat,PetscBool *); 316 317 318 319 /*E 320 MatOption - Options that may be set for a matrix and its behavior or storage 321 322 Level: beginner 323 324 Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h 325 Any additions/changes here must also be made in src/mat/interface/dlregismat.c in MatOptions[] 326 327 Developer Notes: Entries that are negative need not be called collectively by all processes. 328 329 .seealso: MatSetOption() 330 E*/ 331 typedef enum {MAT_OPTION_MIN = -3, 332 MAT_UNUSED_NONZERO_LOCATION_ERR = -2, 333 MAT_ROW_ORIENTED = -1, 334 MAT_SYMMETRIC = 1, 335 MAT_STRUCTURALLY_SYMMETRIC = 2, 336 MAT_NEW_DIAGONALS = 3, 337 MAT_IGNORE_OFF_PROC_ENTRIES = 4, 338 MAT_USE_HASH_TABLE = 5, 339 MAT_KEEP_NONZERO_PATTERN = 6, 340 MAT_IGNORE_ZERO_ENTRIES = 7, 341 MAT_USE_INODES = 8, 342 MAT_HERMITIAN = 9, 343 MAT_SYMMETRY_ETERNAL = 10, 344 MAT_NEW_NONZERO_LOCATION_ERR = 11, 345 MAT_IGNORE_LOWER_TRIANGULAR = 12, 346 MAT_ERROR_LOWER_TRIANGULAR = 13, 347 MAT_GETROW_UPPERTRIANGULAR = 14, 348 MAT_SPD = 15, 349 MAT_NO_OFF_PROC_ZERO_ROWS = 16, 350 MAT_NO_OFF_PROC_ENTRIES = 17, 351 MAT_NEW_NONZERO_LOCATIONS = 18, 352 MAT_NEW_NONZERO_ALLOCATION_ERR = 19, 353 MAT_SUBSET_OFF_PROC_ENTRIES = 20, 354 MAT_SUBMAT_SINGLEIS = 21, 355 MAT_STRUCTURE_ONLY = 22, 356 MAT_OPTION_MAX = 23} MatOption; 357 358 PETSC_EXTERN const char *const *MatOptions; 359 PETSC_EXTERN PetscErrorCode MatSetOption(Mat,MatOption,PetscBool); 360 PETSC_EXTERN PetscErrorCode MatGetOption(Mat,MatOption,PetscBool*); 361 PETSC_EXTERN PetscErrorCode MatGetType(Mat,MatType*); 362 363 PETSC_EXTERN PetscErrorCode MatGetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscScalar[]); 364 PETSC_EXTERN PetscErrorCode MatGetRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]); 365 PETSC_EXTERN PetscErrorCode MatRestoreRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]); 366 PETSC_EXTERN PetscErrorCode MatGetRowUpperTriangular(Mat); 367 PETSC_EXTERN PetscErrorCode MatRestoreRowUpperTriangular(Mat); 368 PETSC_EXTERN PetscErrorCode MatGetColumnVector(Mat,Vec,PetscInt); 369 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArray(Mat,PetscScalar *[]); 370 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArray(Mat,PetscScalar *[]); 371 PETSC_EXTERN PetscErrorCode MatSeqAIJGetMaxRowNonzeros(Mat,PetscInt*); 372 PETSC_EXTERN PetscErrorCode MatSeqAIJSetValuesLocalFast(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 373 PETSC_EXTERN PetscErrorCode MatSeqAIJSetType(Mat,MatType); 374 PETSC_EXTERN PetscErrorCode MatSeqAIJRegister(const char[],PetscErrorCode (*)(Mat,const MatType,MatReuse,Mat *)); 375 PETSC_EXTERN PetscFunctionList MatSeqAIJList; 376 PETSC_EXTERN PetscErrorCode MatSeqSBAIJGetArray(Mat,PetscScalar *[]); 377 PETSC_EXTERN PetscErrorCode MatSeqSBAIJRestoreArray(Mat,PetscScalar *[]); 378 PETSC_EXTERN PetscErrorCode MatDenseGetArray(Mat,PetscScalar *[]); 379 PETSC_EXTERN PetscErrorCode MatDenseRestoreArray(Mat,PetscScalar *[]); 380 PETSC_EXTERN PetscErrorCode MatDensePlaceArray(Mat,const PetscScalar[]); 381 PETSC_EXTERN PetscErrorCode MatDenseResetArray(Mat); 382 PETSC_EXTERN PetscErrorCode MatGetBlockSize(Mat,PetscInt *); 383 PETSC_EXTERN PetscErrorCode MatSetBlockSize(Mat,PetscInt); 384 PETSC_EXTERN PetscErrorCode MatGetBlockSizes(Mat,PetscInt *,PetscInt *); 385 PETSC_EXTERN PetscErrorCode MatSetBlockSizes(Mat,PetscInt,PetscInt); 386 PETSC_EXTERN PetscErrorCode MatSetBlockSizesFromMats(Mat,Mat,Mat); 387 388 PETSC_EXTERN PetscErrorCode MatMult(Mat,Vec,Vec); 389 PETSC_EXTERN PetscErrorCode MatMultDiagonalBlock(Mat,Vec,Vec); 390 PETSC_EXTERN PetscErrorCode MatMultAdd(Mat,Vec,Vec,Vec); 391 PETSC_EXTERN PetscErrorCode MatMultTranspose(Mat,Vec,Vec); 392 PETSC_EXTERN PetscErrorCode MatMultHermitianTranspose(Mat,Vec,Vec); 393 PETSC_EXTERN PetscErrorCode MatIsTranspose(Mat,Mat,PetscReal,PetscBool *); 394 PETSC_EXTERN PetscErrorCode MatIsHermitianTranspose(Mat,Mat,PetscReal,PetscBool *); 395 PETSC_EXTERN PetscErrorCode MatMultTransposeAdd(Mat,Vec,Vec,Vec); 396 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAdd(Mat,Vec,Vec,Vec); 397 PETSC_EXTERN PetscErrorCode MatMultConstrained(Mat,Vec,Vec); 398 PETSC_EXTERN PetscErrorCode MatMultTransposeConstrained(Mat,Vec,Vec); 399 PETSC_EXTERN PetscErrorCode MatMatSolve(Mat,Mat,Mat); 400 PETSC_EXTERN PetscErrorCode MatMatSolveTranspose(Mat,Mat,Mat); 401 PETSC_EXTERN PetscErrorCode MatResidual(Mat,Vec,Vec,Vec); 402 403 /*E 404 MatDuplicateOption - Indicates if a duplicated sparse matrix should have 405 its numerical values copied over or just its nonzero structure. 406 407 Level: beginner 408 409 Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h 410 411 $ MAT_DO_NOT_COPY_VALUES - Create a matrix using the same nonzero pattern as the original matrix, 412 $ with zeros for the numerical values. 413 $ MAT_COPY_VALUES - Create a matrix with the same nonzero pattern as the original matrix 414 $ and with the same numerical values. 415 $ MAT_SHARE_NONZERO_PATTERN - Create a matrix that shares the nonzero structure with the previous matrix 416 $ and does not copy it, using zeros for the numerical values. The parent and 417 $ child matrices will share their index (i and j) arrays, and you cannot 418 $ insert new nonzero entries into either matrix. 419 420 Notes: Many matrix types (including SeqAIJ) do not support the MAT_SHARE_NONZERO_PATTERN optimization; in 421 this case the behavior is as if MAT_DO_NOT_COPY_VALUES has been specified. 422 423 .seealso: MatDuplicate() 424 E*/ 425 typedef enum {MAT_DO_NOT_COPY_VALUES,MAT_COPY_VALUES,MAT_SHARE_NONZERO_PATTERN} MatDuplicateOption; 426 427 PETSC_EXTERN PetscErrorCode MatConvert(Mat,MatType,MatReuse,Mat*); 428 PETSC_EXTERN PetscErrorCode MatDuplicate(Mat,MatDuplicateOption,Mat*); 429 430 431 PETSC_EXTERN PetscErrorCode MatCopy(Mat,Mat,MatStructure); 432 PETSC_EXTERN PetscErrorCode MatView(Mat,PetscViewer); 433 PETSC_EXTERN PetscErrorCode MatIsSymmetric(Mat,PetscReal,PetscBool *); 434 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetric(Mat,PetscBool *); 435 PETSC_EXTERN PetscErrorCode MatIsHermitian(Mat,PetscReal,PetscBool *); 436 PETSC_EXTERN PetscErrorCode MatIsSymmetricKnown(Mat,PetscBool *,PetscBool *); 437 PETSC_EXTERN PetscErrorCode MatIsHermitianKnown(Mat,PetscBool *,PetscBool *); 438 PETSC_EXTERN PetscErrorCode MatMissingDiagonal(Mat,PetscBool *,PetscInt *); 439 PETSC_EXTERN PetscErrorCode MatLoad(Mat, PetscViewer); 440 441 PETSC_EXTERN PetscErrorCode MatGetRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool *); 442 PETSC_EXTERN PetscErrorCode MatRestoreRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool *); 443 PETSC_EXTERN PetscErrorCode MatGetColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool *); 444 PETSC_EXTERN PetscErrorCode MatRestoreColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool *); 445 446 /*S 447 MatInfo - Context of matrix information, used with MatGetInfo() 448 449 In Fortran this is simply a double precision array of dimension MAT_INFO_SIZE 450 451 Level: intermediate 452 453 Concepts: matrix^nonzero information 454 455 .seealso: MatGetInfo(), MatInfoType 456 S*/ 457 typedef struct { 458 PetscLogDouble block_size; /* block size */ 459 PetscLogDouble nz_allocated,nz_used,nz_unneeded; /* number of nonzeros */ 460 PetscLogDouble memory; /* memory allocated */ 461 PetscLogDouble assemblies; /* number of matrix assemblies called */ 462 PetscLogDouble mallocs; /* number of mallocs during MatSetValues() */ 463 PetscLogDouble fill_ratio_given,fill_ratio_needed; /* fill ratio for LU/ILU */ 464 PetscLogDouble factor_mallocs; /* number of mallocs during factorization */ 465 } MatInfo; 466 467 /*E 468 MatInfoType - Indicates if you want information about the local part of the matrix, 469 the entire parallel matrix or the maximum over all the local parts. 470 471 Level: beginner 472 473 Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h 474 475 .seealso: MatGetInfo(), MatInfo 476 E*/ 477 typedef enum {MAT_LOCAL=1,MAT_GLOBAL_MAX=2,MAT_GLOBAL_SUM=3} MatInfoType; 478 PETSC_EXTERN PetscErrorCode MatGetInfo(Mat,MatInfoType,MatInfo*); 479 PETSC_EXTERN PetscErrorCode MatGetDiagonal(Mat,Vec); 480 PETSC_EXTERN PetscErrorCode MatGetRowMax(Mat,Vec,PetscInt[]); 481 PETSC_EXTERN PetscErrorCode MatGetRowMin(Mat,Vec,PetscInt[]); 482 PETSC_EXTERN PetscErrorCode MatGetRowMaxAbs(Mat,Vec,PetscInt[]); 483 PETSC_EXTERN PetscErrorCode MatGetRowMinAbs(Mat,Vec,PetscInt[]); 484 PETSC_EXTERN PetscErrorCode MatGetRowSum(Mat,Vec); 485 PETSC_EXTERN PetscErrorCode MatTranspose(Mat,MatReuse,Mat*); 486 PETSC_EXTERN PetscErrorCode MatHermitianTranspose(Mat,MatReuse,Mat*); 487 PETSC_EXTERN PetscErrorCode MatPermute(Mat,IS,IS,Mat*); 488 PETSC_EXTERN PetscErrorCode MatDiagonalScale(Mat,Vec,Vec); 489 PETSC_EXTERN PetscErrorCode MatDiagonalSet(Mat,Vec,InsertMode); 490 491 PETSC_EXTERN PetscErrorCode MatEqual(Mat,Mat,PetscBool*); 492 PETSC_EXTERN PetscErrorCode MatMultEqual(Mat,Mat,PetscInt,PetscBool*); 493 PETSC_EXTERN PetscErrorCode MatMultAddEqual(Mat,Mat,PetscInt,PetscBool*); 494 PETSC_EXTERN PetscErrorCode MatMultTransposeEqual(Mat,Mat,PetscInt,PetscBool*); 495 PETSC_EXTERN PetscErrorCode MatMultTransposeAddEqual(Mat,Mat,PetscInt,PetscBool*); 496 PETSC_EXTERN PetscErrorCode MatMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*); 497 PETSC_EXTERN PetscErrorCode MatTransposeMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*); 498 499 PETSC_EXTERN PetscErrorCode MatNorm(Mat,NormType,PetscReal*); 500 PETSC_EXTERN PetscErrorCode MatGetColumnNorms(Mat,NormType,PetscReal*); 501 PETSC_EXTERN PetscErrorCode MatZeroEntries(Mat); 502 PETSC_EXTERN PetscErrorCode MatZeroRows(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec); 503 PETSC_EXTERN PetscErrorCode MatZeroRowsIS(Mat,IS,PetscScalar,Vec,Vec); 504 PETSC_EXTERN PetscErrorCode MatZeroRowsStencil(Mat,PetscInt,const MatStencil [],PetscScalar,Vec,Vec); 505 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsStencil(Mat,PetscInt,const MatStencil[],PetscScalar,Vec,Vec); 506 PETSC_EXTERN PetscErrorCode MatZeroRowsColumns(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec); 507 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsIS(Mat,IS,PetscScalar,Vec,Vec); 508 509 PETSC_EXTERN PetscErrorCode MatGetSize(Mat,PetscInt*,PetscInt*); 510 PETSC_EXTERN PetscErrorCode MatGetLocalSize(Mat,PetscInt*,PetscInt*); 511 PETSC_EXTERN PetscErrorCode MatGetOwnershipRange(Mat,PetscInt*,PetscInt*); 512 PETSC_EXTERN PetscErrorCode MatGetOwnershipRanges(Mat,const PetscInt**); 513 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangeColumn(Mat,PetscInt*,PetscInt*); 514 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangesColumn(Mat,const PetscInt**); 515 PETSC_EXTERN PetscErrorCode MatGetOwnershipIS(Mat,IS*,IS*); 516 517 PETSC_EXTERN PetscErrorCode MatCreateSubMatrices(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 518 PETSC_DEPRECATED("Use MatCreateSubMatrices()") PETSC_STATIC_INLINE PetscErrorCode MatGetSubMatrices(Mat mat,PetscInt n,const IS irow[],const IS icol[],MatReuse scall,Mat *submat[]) {return MatCreateSubMatrices(mat,n,irow,icol,scall,submat);} 519 PETSC_EXTERN PetscErrorCode MatCreateSubMatricesMPI(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]); 520 PETSC_DEPRECATED("Use MatCreateSubMatricesMPI()") PETSC_STATIC_INLINE PetscErrorCode MatGetSubMatricesMPI(Mat mat,PetscInt n,const IS irow[],const IS icol[],MatReuse scall,Mat *submat[]) {return MatCreateSubMatricesMPI(mat,n,irow,icol,scall,submat);} 521 PETSC_EXTERN PetscErrorCode MatDestroyMatrices(PetscInt,Mat *[]); 522 PETSC_EXTERN PetscErrorCode MatDestroySubMatrices(PetscInt,Mat *[]); 523 PETSC_EXTERN PetscErrorCode MatCreateSubMatrix(Mat,IS,IS,MatReuse,Mat *); 524 PETSC_DEPRECATED("Use MatCreateSubMatrix()") PETSC_STATIC_INLINE PetscErrorCode MatGetSubMatrix(Mat mat,IS isrow,IS iscol,MatReuse cll,Mat *newmat) {return MatCreateSubMatrix(mat,isrow,iscol,cll,newmat);} 525 PETSC_EXTERN PetscErrorCode MatGetLocalSubMatrix(Mat,IS,IS,Mat*); 526 PETSC_EXTERN PetscErrorCode MatRestoreLocalSubMatrix(Mat,IS,IS,Mat*); 527 PETSC_EXTERN PetscErrorCode MatGetSeqNonzeroStructure(Mat,Mat*); 528 PETSC_EXTERN PetscErrorCode MatDestroySeqNonzeroStructure(Mat*); 529 530 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm,Mat,PetscInt,PetscInt,MatReuse,Mat*); 531 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJSymbolic(MPI_Comm,Mat,PetscInt,PetscInt,Mat*); 532 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJNumeric(Mat,Mat); 533 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMat(Mat,MatReuse,Mat*); 534 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatCondensed(Mat,MatReuse,IS*,IS*,Mat*); 535 PETSC_EXTERN PetscErrorCode MatGetBrowsOfAcols(Mat,Mat,MatReuse,IS*,IS*,Mat*); 536 PETSC_EXTERN PetscErrorCode MatGetGhosts(Mat, PetscInt *,const PetscInt *[]); 537 538 PETSC_EXTERN PetscErrorCode MatIncreaseOverlap(Mat,PetscInt,IS[],PetscInt); 539 PETSC_EXTERN PetscErrorCode MatIncreaseOverlapSplit(Mat mat,PetscInt n,IS is[],PetscInt ov); 540 PETSC_EXTERN PetscErrorCode MatMPIAIJSetUseScalableIncreaseOverlap(Mat,PetscBool); 541 542 PETSC_EXTERN PetscErrorCode MatMatMult(Mat,Mat,MatReuse,PetscReal,Mat*); 543 PETSC_EXTERN PetscErrorCode MatMatMultSymbolic(Mat,Mat,PetscReal,Mat*); 544 PETSC_EXTERN PetscErrorCode MatMatMultNumeric(Mat,Mat,Mat); 545 546 PETSC_EXTERN PetscErrorCode MatMatMatMult(Mat,Mat,Mat,MatReuse,PetscReal,Mat*); 547 PETSC_EXTERN PetscErrorCode MatGalerkin(Mat,Mat,Mat,MatReuse,PetscReal,Mat*); 548 549 PETSC_EXTERN PetscErrorCode MatPtAP(Mat,Mat,MatReuse,PetscReal,Mat*); 550 PETSC_EXTERN PetscErrorCode MatPtAPSymbolic(Mat,Mat,PetscReal,Mat*); 551 PETSC_EXTERN PetscErrorCode MatPtAPNumeric(Mat,Mat,Mat); 552 PETSC_EXTERN PetscErrorCode MatRARt(Mat,Mat,MatReuse,PetscReal,Mat*); 553 PETSC_EXTERN PetscErrorCode MatRARtSymbolic(Mat,Mat,PetscReal,Mat*); 554 PETSC_EXTERN PetscErrorCode MatRARtNumeric(Mat,Mat,Mat); 555 556 PETSC_EXTERN PetscErrorCode MatTransposeMatMult(Mat,Mat,MatReuse,PetscReal,Mat*); 557 PETSC_EXTERN PetscErrorCode MatTransposetMatMultSymbolic(Mat,Mat,PetscReal,Mat*); 558 PETSC_EXTERN PetscErrorCode MatTransposetMatMultNumeric(Mat,Mat,Mat); 559 PETSC_EXTERN PetscErrorCode MatMatTransposeMult(Mat,Mat,MatReuse,PetscReal,Mat*); 560 PETSC_EXTERN PetscErrorCode MatMatTransposeMultSymbolic(Mat,Mat,PetscReal,Mat*); 561 PETSC_EXTERN PetscErrorCode MatMatTransposeMultNumeric(Mat,Mat,Mat); 562 563 PETSC_EXTERN PetscErrorCode MatAXPY(Mat,PetscScalar,Mat,MatStructure); 564 PETSC_EXTERN PetscErrorCode MatAYPX(Mat,PetscScalar,Mat,MatStructure); 565 566 PETSC_EXTERN PetscErrorCode MatScale(Mat,PetscScalar); 567 PETSC_EXTERN PetscErrorCode MatShift(Mat,PetscScalar); 568 569 PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping,ISLocalToGlobalMapping); 570 PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping*,ISLocalToGlobalMapping*); 571 PETSC_EXTERN PetscErrorCode MatGetLayouts(Mat,PetscLayout*,PetscLayout*); 572 PETSC_EXTERN PetscErrorCode MatZeroRowsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec); 573 PETSC_EXTERN PetscErrorCode MatZeroRowsLocalIS(Mat,IS,PetscScalar,Vec,Vec); 574 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec); 575 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocalIS(Mat,IS,PetscScalar,Vec,Vec); 576 PETSC_EXTERN PetscErrorCode MatSetValuesLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 577 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 578 579 PETSC_EXTERN PetscErrorCode MatStashSetInitialSize(Mat,PetscInt,PetscInt); 580 PETSC_EXTERN PetscErrorCode MatStashGetInfo(Mat,PetscInt*,PetscInt*,PetscInt*,PetscInt*); 581 582 PETSC_EXTERN PetscErrorCode MatInterpolate(Mat,Vec,Vec); 583 PETSC_EXTERN PetscErrorCode MatInterpolateAdd(Mat,Vec,Vec,Vec); 584 PETSC_EXTERN PetscErrorCode MatRestrict(Mat,Vec,Vec); 585 PETSC_EXTERN PetscErrorCode MatCreateVecs(Mat,Vec*,Vec*); 586 PETSC_DEPRECATED("Use MatCreateVecs()") PETSC_STATIC_INLINE PetscErrorCode MatGetVecs(Mat mat,Vec *x,Vec *y) {return MatCreateVecs(mat,x,y);} 587 PETSC_EXTERN PetscErrorCode MatCreateRedundantMatrix(Mat,PetscInt,MPI_Comm,MatReuse,Mat*); 588 PETSC_EXTERN PetscErrorCode MatGetMultiProcBlock(Mat,MPI_Comm,MatReuse,Mat*); 589 PETSC_EXTERN PetscErrorCode MatFindZeroDiagonals(Mat,IS*); 590 PETSC_EXTERN PetscErrorCode MatFindOffBlockDiagonalEntries(Mat,IS*); 591 PETSC_EXTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat(MPI_Comm,Mat,PetscInt,MatReuse,Mat*); 592 593 /*MC 594 MatSetValue - Set a single entry into a matrix. 595 596 Not collective 597 598 Synopsis: 599 #include <petscmat.h> 600 PetscErrorCode MatSetValue(Mat m,PetscInt row,PetscInt col,PetscScalar value,InsertMode mode) 601 602 Input Parameters: 603 + m - the matrix 604 . row - the row location of the entry 605 . col - the column location of the entry 606 . value - the value to insert 607 - mode - either INSERT_VALUES or ADD_VALUES 608 609 Notes: 610 For efficiency one should use MatSetValues() and set several or many 611 values simultaneously if possible. 612 613 Level: beginner 614 615 .seealso: MatSetValues(), MatSetValueLocal() 616 M*/ 617 PETSC_STATIC_INLINE PetscErrorCode MatSetValue(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValues(v,1,&i,1,&j,&va,mode);} 618 619 PETSC_STATIC_INLINE PetscErrorCode MatGetValue(Mat v,PetscInt i,PetscInt j,PetscScalar *va) {return MatGetValues(v,1,&i,1,&j,va);} 620 621 PETSC_STATIC_INLINE PetscErrorCode MatSetValueLocal(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValuesLocal(v,1,&i,1,&j,&va,mode);} 622 623 /*MC 624 MatPreallocateInitialize - Begins the block of code that will count the number of nonzeros per 625 row in a matrix providing the data that one can use to correctly preallocate the matrix. 626 627 Synopsis: 628 #include <petscmat.h> 629 PetscErrorCode MatPreallocateInitialize(MPI_Comm comm, PetscInt nrows, PetscInt ncols, PetscInt *dnz, PetscInt *onz) 630 631 Collective on MPI_Comm 632 633 Input Parameters: 634 + comm - the communicator that will share the eventually allocated matrix 635 . nrows - the number of LOCAL rows in the matrix 636 - ncols - the number of LOCAL columns in the matrix 637 638 Output Parameters: 639 + dnz - the array that will be passed to the matrix preallocation routines 640 - ozn - the other array passed to the matrix preallocation routines 641 642 Level: intermediate 643 644 Notes: 645 See Users-Manual: ch_performance for more details. 646 647 Do not malloc or free dnz and onz, that is handled internally by these routines 648 649 Use MatPreallocateInitializeSymmetric() for symmetric matrices (MPISBAIJ matrices) 650 651 This is a MACRO not a function because it has a leading { that is closed by PetscPreallocateFinalize(). 652 653 Concepts: preallocation^Matrix 654 655 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(), 656 MatPreallocateInitializeSymmetric(), MatPreallocateSymmetricSetLocalBlock() 657 M*/ 658 #define MatPreallocateInitialize(comm,nrows,ncols,dnz,onz) 0; \ 659 { \ 660 PetscErrorCode _4_ierr; PetscInt __nrows = (nrows),__ctmp = (ncols),__rstart,__start,__end; \ 661 _4_ierr = PetscCalloc2((size_t)__nrows,&dnz,(size_t)__nrows,&onz);CHKERRQ(_4_ierr); \ 662 __start = 0; __end = __start; \ 663 _4_ierr = MPI_Scan(&__ctmp,&__end,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __start = __end - __ctmp;\ 664 _4_ierr = MPI_Scan(&__nrows,&__rstart,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __rstart = __rstart - __nrows; 665 666 /*MC 667 MatPreallocateSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be 668 inserted using a local number of the rows and columns 669 670 Synopsis: 671 #include <petscmat.h> 672 PetscErrorCode MatPreallocateSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 673 674 Not Collective 675 676 Input Parameters: 677 + map - the row mapping from local numbering to global numbering 678 . nrows - the number of rows indicated 679 . rows - the indices of the rows 680 . cmap - the column mapping from local to global numbering 681 . ncols - the number of columns in the matrix 682 . cols - the columns indicated 683 . dnz - the array that will be passed to the matrix preallocation routines 684 - ozn - the other array passed to the matrix preallocation routines 685 686 Level: intermediate 687 688 Notes: 689 See Users-Manual: ch_performance for more details. 690 691 Do not malloc or free dnz and onz, that is handled internally by these routines 692 693 Concepts: preallocation^Matrix 694 695 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateInitialize(), 696 MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocalRemoveDups() 697 M*/ 698 #define MatPreallocateSetLocal(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \ 699 {\ 700 PetscInt __l;\ 701 _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\ 702 _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\ 703 for (__l=0;__l<nrows;__l++) {\ 704 _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\ 705 }\ 706 } 707 708 /*MC 709 MatPreallocateSetLocalRemoveDups - Indicates the locations (rows and columns) in the matrix where nonzeros will be 710 inserted using a local number of the rows and columns. This version removes any duplicate columns in cols 711 712 Synopsis: 713 #include <petscmat.h> 714 PetscErrorCode MatPreallocateSetLocalRemoveDups(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 715 716 Not Collective 717 718 Input Parameters: 719 + map - the row mapping from local numbering to global numbering 720 . nrows - the number of rows indicated 721 . rows - the indices of the rows (these values are mapped to the global values) 722 . cmap - the column mapping from local to global numbering 723 . ncols - the number of columns in the matrix (this value will be changed if duplicate columns are found) 724 . cols - the columns indicated (these values are mapped to the global values, they are then sorted and duplicates removed) 725 . dnz - the array that will be passed to the matrix preallocation routines 726 - ozn - the other array passed to the matrix preallocation routines 727 728 Level: intermediate 729 730 Notes: 731 See Users-Manual: ch_performance for more details. 732 733 Do not malloc or free dnz and onz, that is handled internally by these routines 734 735 Concepts: preallocation^Matrix 736 737 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateInitialize(), 738 MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal() 739 M*/ 740 #define MatPreallocateSetLocalRemoveDups(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \ 741 {\ 742 PetscInt __l;\ 743 _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\ 744 _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\ 745 _4_ierr = PetscSortRemoveDupsInt(&ncols,cols);CHKERRQ(_4_ierr);\ 746 for (__l=0;__l<nrows;__l++) {\ 747 _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\ 748 }\ 749 } 750 751 /*MC 752 MatPreallocateSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be 753 inserted using a local number of the rows and columns 754 755 Synopsis: 756 #include <petscmat.h> 757 PetscErrorCode MatPreallocateSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 758 759 Not Collective 760 761 Input Parameters: 762 + map - the row mapping from local numbering to global numbering 763 . nrows - the number of rows indicated 764 . rows - the indices of the rows 765 . cmap - the column mapping from local to global numbering 766 . ncols - the number of columns in the matrix 767 . cols - the columns indicated 768 . dnz - the array that will be passed to the matrix preallocation routines 769 - ozn - the other array passed to the matrix preallocation routines 770 771 Level: intermediate 772 773 Notes: 774 See Users-Manual: ch_performance for more details. 775 776 Do not malloc or free dnz and onz, that is handled internally by these routines 777 778 Concepts: preallocation^Matrix 779 780 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateInitialize(), 781 MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock() 782 M*/ 783 #define MatPreallocateSetLocalBlock(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \ 784 {\ 785 PetscInt __l;\ 786 _4_ierr = ISLocalToGlobalMappingApplyBlock(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\ 787 _4_ierr = ISLocalToGlobalMappingApplyBlock(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\ 788 for (__l=0;__l<nrows;__l++) {\ 789 _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\ 790 }\ 791 } 792 793 /*MC 794 MatPreallocateSymmetricSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be 795 inserted using a local number of the rows and columns 796 797 Synopsis: 798 #include <petscmat.h> 799 PetscErrorCode MatPreallocateSymmetricSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 800 801 Not Collective 802 803 Input Parameters: 804 + map - the mapping between local numbering and global numbering 805 . nrows - the number of rows indicated 806 . rows - the indices of the rows 807 . ncols - the number of columns in the matrix 808 . cols - the columns indicated 809 . dnz - the array that will be passed to the matrix preallocation routines 810 - ozn - the other array passed to the matrix preallocation routines 811 812 Level: intermediate 813 814 Notes: 815 See Users-Manual: ch_performance for more details. 816 817 Do not malloc or free dnz and onz that is handled internally by these routines 818 819 Concepts: preallocation^Matrix 820 821 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateInitialize(), 822 MatPreallocateInitialize(), MatPreallocateSetLocal() 823 M*/ 824 #define MatPreallocateSymmetricSetLocalBlock(map,nrows,rows,ncols,cols,dnz,onz) 0;\ 825 {\ 826 PetscInt __l;\ 827 _4_ierr = ISLocalToGlobalMappingApplyBlock(map,nrows,rows,rows);CHKERRQ(_4_ierr);\ 828 _4_ierr = ISLocalToGlobalMappingApplyBlock(map,ncols,cols,cols);CHKERRQ(_4_ierr);\ 829 for (__l=0;__l<nrows;__l++) {\ 830 _4_ierr = MatPreallocateSymmetricSetBlock((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\ 831 }\ 832 } 833 /*MC 834 MatPreallocateSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be 835 inserted using a local number of the rows and columns 836 837 Synopsis: 838 #include <petscmat.h> 839 PetscErrorCode MatPreallocateSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 840 841 Not Collective 842 843 Input Parameters: 844 + row - the row 845 . ncols - the number of columns in the matrix 846 - cols - the columns indicated 847 848 Output Parameters: 849 + dnz - the array that will be passed to the matrix preallocation routines 850 - ozn - the other array passed to the matrix preallocation routines 851 852 Level: intermediate 853 854 Notes: 855 See Users-Manual: ch_performance for more details. 856 857 Do not malloc or free dnz and onz that is handled internally by these routines 858 859 This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize(). 860 861 Concepts: preallocation^Matrix 862 863 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateInitialize(), 864 MatPreallocateInitialize(), MatPreallocateSetLocal() 865 M*/ 866 #define MatPreallocateSet(row,nc,cols,dnz,onz) 0;\ 867 { PetscInt __i; \ 868 if (row < __rstart) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Trying to set preallocation for row %D less than first local row %D",row,__rstart);\ 869 if (row >= __rstart+__nrows) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Trying to set preallocation for row %D greater than last local row %D",row,__rstart+__nrows-1);\ 870 for (__i=0; __i<nc; __i++) {\ 871 if ((cols)[__i] < __start || (cols)[__i] >= __end) onz[row - __rstart]++; \ 872 else dnz[row - __rstart]++;\ 873 }\ 874 } 875 876 /*MC 877 MatPreallocateSymmetricSetBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be 878 inserted using a local number of the rows and columns 879 880 Synopsis: 881 #include <petscmat.h> 882 PetscErrorCode MatPreallocateSymmetricSetBlock(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 883 884 Not Collective 885 886 Input Parameters: 887 + nrows - the number of rows indicated 888 . rows - the indices of the rows 889 . ncols - the number of columns in the matrix 890 . cols - the columns indicated 891 . dnz - the array that will be passed to the matrix preallocation routines 892 - ozn - the other array passed to the matrix preallocation routines 893 894 Level: intermediate 895 896 Notes: 897 See Users-Manual: ch_performance for more details. 898 899 Do not malloc or free dnz and onz that is handled internally by these routines 900 901 This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize(). 902 903 Concepts: preallocation^Matrix 904 905 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateInitialize(), 906 MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal() 907 M*/ 908 #define MatPreallocateSymmetricSetBlock(row,nc,cols,dnz,onz) 0;\ 909 { PetscInt __i; \ 910 for (__i=0; __i<nc; __i++) {\ 911 if (cols[__i] >= __end) onz[row - __rstart]++; \ 912 else if (cols[__i] >= row) dnz[row - __rstart]++;\ 913 }\ 914 } 915 916 /*MC 917 MatPreallocateLocation - An alternative to MatPreallocationSet() that puts the nonzero locations into the matrix if it exists 918 919 Synopsis: 920 #include <petscmat.h> 921 PetscErrorCode MatPreallocateLocations(Mat A,PetscInt row,PetscInt ncols,PetscInt *cols,PetscInt *dnz,PetscInt *onz) 922 923 Not Collective 924 925 Input Parameters: 926 . A - matrix 927 . row - row where values exist (must be local to this process) 928 . ncols - number of columns 929 . cols - columns with nonzeros 930 . dnz - the array that will be passed to the matrix preallocation routines 931 - ozn - the other array passed to the matrix preallocation routines 932 933 Level: intermediate 934 935 Notes: 936 See Users-Manual: ch_performance for more details. 937 938 Do not malloc or free dnz and onz that is handled internally by these routines 939 940 This is a MACRO not a function because it uses a bunch of variables private to the MatPreallocation.... routines. 941 942 Concepts: preallocation^Matrix 943 944 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(), 945 MatPreallocateSymmetricSetLocalBlock() 946 M*/ 947 #define MatPreallocateLocation(A,row,ncols,cols,dnz,onz) 0;if (A) {ierr = MatSetValues(A,1,&row,ncols,cols,NULL,INSERT_VALUES);CHKERRQ(ierr);} else {ierr = MatPreallocateSet(row,ncols,cols,dnz,onz);CHKERRQ(ierr);} 948 949 950 /*MC 951 MatPreallocateFinalize - Ends the block of code that will count the number of nonzeros per 952 row in a matrix providing the data that one can use to correctly preallocate the matrix. 953 954 Synopsis: 955 #include <petscmat.h> 956 PetscErrorCode MatPreallocateFinalize(PetscInt *dnz, PetscInt *onz) 957 958 Collective on MPI_Comm 959 960 Input Parameters: 961 + dnz - the array that was be passed to the matrix preallocation routines 962 - ozn - the other array passed to the matrix preallocation routines 963 964 Level: intermediate 965 966 Notes: 967 See Users-Manual: ch_performance for more details. 968 969 Do not malloc or free dnz and onz that is handled internally by these routines 970 971 This is a MACRO not a function because it closes the { started in MatPreallocateInitialize(). 972 973 Concepts: preallocation^Matrix 974 975 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(), 976 MatPreallocateSymmetricSetLocalBlock() 977 M*/ 978 #define MatPreallocateFinalize(dnz,onz) 0;_4_ierr = PetscFree2(dnz,onz);CHKERRQ(_4_ierr);} 979 980 /* Routines unique to particular data structures */ 981 PETSC_EXTERN PetscErrorCode MatShellGetContext(Mat,void *); 982 983 PETSC_EXTERN PetscErrorCode MatInodeAdjustForInodes(Mat,IS*,IS*); 984 PETSC_EXTERN PetscErrorCode MatInodeGetInodeSizes(Mat,PetscInt *,PetscInt *[],PetscInt *); 985 986 PETSC_EXTERN PetscErrorCode MatSeqAIJSetColumnIndices(Mat,PetscInt[]); 987 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetColumnIndices(Mat,PetscInt[]); 988 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*); 989 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*); 990 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*); 991 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJFromTriple(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*,PetscInt,PetscBool); 992 993 #define MAT_SKIP_ALLOCATION -4 994 995 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]); 996 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]); 997 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation(Mat,PetscInt,const PetscInt[]); 998 999 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]); 1000 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]); 1001 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]); 1002 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocationCSR(Mat,const PetscInt [],const PetscInt [],const PetscScalar []); 1003 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]); 1004 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocationCSR(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]); 1005 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]); 1006 PETSC_EXTERN PetscErrorCode MatMPIAdjSetPreallocation(Mat,PetscInt[],PetscInt[],PetscInt[]); 1007 PETSC_EXTERN PetscErrorCode MatMPIDenseSetPreallocation(Mat,PetscScalar[]); 1008 PETSC_EXTERN PetscErrorCode MatSeqDenseSetPreallocation(Mat,PetscScalar[]); 1009 PETSC_EXTERN PetscErrorCode MatMPIAIJGetSeqAIJ(Mat,Mat*,Mat*,const PetscInt*[]); 1010 PETSC_EXTERN PetscErrorCode MatMPIBAIJGetSeqBAIJ(Mat,Mat*,Mat*,const PetscInt*[]); 1011 PETSC_EXTERN PetscErrorCode MatMPIAdjCreateNonemptySubcommMat(Mat,Mat*); 1012 1013 PETSC_EXTERN PetscErrorCode MatISSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]); 1014 PETSC_EXTERN PetscErrorCode MatISSetUpSF(Mat); 1015 PETSC_EXTERN PetscErrorCode MatSeqDenseSetLDA(Mat,PetscInt); 1016 PETSC_EXTERN PetscErrorCode MatDenseGetLocalMatrix(Mat,Mat*); 1017 1018 PETSC_EXTERN PetscErrorCode MatStoreValues(Mat); 1019 PETSC_EXTERN PetscErrorCode MatRetrieveValues(Mat); 1020 1021 PETSC_EXTERN PetscErrorCode MatDAADSetCtx(Mat,void*); 1022 1023 PETSC_EXTERN PetscErrorCode MatFindNonzeroRows(Mat,IS*); 1024 PETSC_EXTERN PetscErrorCode MatFindZeroRows(Mat,IS*); 1025 /* 1026 These routines are not usually accessed directly, rather solving is 1027 done through the KSP and PC interfaces. 1028 */ 1029 1030 /*J 1031 MatOrderingType - String with the name of a PETSc matrix ordering 1032 1033 Level: beginner 1034 1035 .seealso: MatGetOrdering() 1036 J*/ 1037 typedef const char* MatOrderingType; 1038 #define MATORDERINGNATURAL "natural" 1039 #define MATORDERINGND "nd" 1040 #define MATORDERING1WD "1wd" 1041 #define MATORDERINGRCM "rcm" 1042 #define MATORDERINGQMD "qmd" 1043 #define MATORDERINGROWLENGTH "rowlength" 1044 #define MATORDERINGWBM "wbm" 1045 #define MATORDERINGSPECTRAL "spectral" 1046 #define MATORDERINGAMD "amd" /* only works if UMFPACK is installed with PETSc */ 1047 1048 PETSC_EXTERN PetscErrorCode MatGetOrdering(Mat,MatOrderingType,IS*,IS*); 1049 PETSC_EXTERN PetscErrorCode MatGetOrderingList(PetscFunctionList*); 1050 PETSC_EXTERN PetscErrorCode MatOrderingRegister(const char[],PetscErrorCode(*)(Mat,MatOrderingType,IS*,IS*)); 1051 PETSC_EXTERN PetscFunctionList MatOrderingList; 1052 1053 PETSC_EXTERN PetscErrorCode MatReorderForNonzeroDiagonal(Mat,PetscReal,IS,IS); 1054 PETSC_EXTERN PetscErrorCode MatCreateLaplacian(Mat,PetscReal,PetscBool,Mat*); 1055 1056 /*S 1057 MatFactorShiftType - Numeric Shift. 1058 1059 Level: beginner 1060 1061 S*/ 1062 typedef enum {MAT_SHIFT_NONE,MAT_SHIFT_NONZERO,MAT_SHIFT_POSITIVE_DEFINITE,MAT_SHIFT_INBLOCKS} MatFactorShiftType; 1063 PETSC_EXTERN const char *const MatFactorShiftTypes[]; 1064 PETSC_EXTERN const char *const MatFactorShiftTypesDetail[]; 1065 1066 /*S 1067 MatFactorError - indicates what type of error in matrix factor 1068 1069 Level: beginner 1070 1071 Developer Notes: Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h 1072 1073 .seealso: MatGetFactor() 1074 S*/ 1075 typedef enum {MAT_FACTOR_NOERROR,MAT_FACTOR_STRUCT_ZEROPIVOT,MAT_FACTOR_NUMERIC_ZEROPIVOT,MAT_FACTOR_OUTMEMORY,MAT_FACTOR_OTHER} MatFactorError; 1076 1077 PETSC_EXTERN PetscErrorCode MatFactorGetError(Mat,MatFactorError*); 1078 PETSC_EXTERN PetscErrorCode MatFactorClearError(Mat); 1079 PETSC_EXTERN PetscErrorCode MatFactorGetErrorZeroPivot(Mat,PetscReal*,PetscInt*); 1080 1081 /*S 1082 MatFactorInfo - Data passed into the matrix factorization routines, and information about the resulting factorization 1083 1084 In Fortran these are simply double precision arrays of size MAT_FACTORINFO_SIZE, that is use 1085 $ MatFactorInfo info(MAT_FACTORINFO_SIZE) 1086 1087 Notes: These are not usually directly used by users, instead use PC type of LU, ILU, CHOLESKY or ICC. 1088 1089 You can use MatFactorInfoInitialize() to set default values. 1090 1091 Level: developer 1092 1093 .seealso: MatLUFactorSymbolic(), MatILUFactorSymbolic(), MatCholeskyFactorSymbolic(), MatICCFactorSymbolic(), MatICCFactor(), 1094 MatFactorInfoInitialize() 1095 1096 S*/ 1097 typedef struct { 1098 PetscReal diagonal_fill; /* force diagonal to fill in if initially not filled */ 1099 PetscReal usedt; 1100 PetscReal dt; /* drop tolerance */ 1101 PetscReal dtcol; /* tolerance for pivoting */ 1102 PetscReal dtcount; /* maximum nonzeros to be allowed per row */ 1103 PetscReal fill; /* expected fill, nonzeros in factored matrix/nonzeros in original matrix */ 1104 PetscReal levels; /* ICC/ILU(levels) */ 1105 PetscReal pivotinblocks; /* for BAIJ and SBAIJ matrices pivot in factorization on blocks, default 1.0 1106 factorization may be faster if do not pivot */ 1107 PetscReal zeropivot; /* pivot is called zero if less than this */ 1108 PetscReal shifttype; /* type of shift added to matrix factor to prevent zero pivots */ 1109 PetscReal shiftamount; /* how large the shift is */ 1110 } MatFactorInfo; 1111 1112 PETSC_EXTERN PetscErrorCode MatFactorInfoInitialize(MatFactorInfo*); 1113 PETSC_EXTERN PetscErrorCode MatCholeskyFactor(Mat,IS,const MatFactorInfo*); 1114 PETSC_EXTERN PetscErrorCode MatCholeskyFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*); 1115 PETSC_EXTERN PetscErrorCode MatCholeskyFactorNumeric(Mat,Mat,const MatFactorInfo*); 1116 PETSC_EXTERN PetscErrorCode MatLUFactor(Mat,IS,IS,const MatFactorInfo*); 1117 PETSC_EXTERN PetscErrorCode MatILUFactor(Mat,IS,IS,const MatFactorInfo*); 1118 PETSC_EXTERN PetscErrorCode MatLUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*); 1119 PETSC_EXTERN PetscErrorCode MatILUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*); 1120 PETSC_EXTERN PetscErrorCode MatICCFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*); 1121 PETSC_EXTERN PetscErrorCode MatICCFactor(Mat,IS,const MatFactorInfo*); 1122 PETSC_EXTERN PetscErrorCode MatLUFactorNumeric(Mat,Mat,const MatFactorInfo*); 1123 PETSC_EXTERN PetscErrorCode MatGetInertia(Mat,PetscInt*,PetscInt*,PetscInt*); 1124 PETSC_EXTERN PetscErrorCode MatSolve(Mat,Vec,Vec); 1125 PETSC_EXTERN PetscErrorCode MatForwardSolve(Mat,Vec,Vec); 1126 PETSC_EXTERN PetscErrorCode MatBackwardSolve(Mat,Vec,Vec); 1127 PETSC_EXTERN PetscErrorCode MatSolveAdd(Mat,Vec,Vec,Vec); 1128 PETSC_EXTERN PetscErrorCode MatSolveTranspose(Mat,Vec,Vec); 1129 PETSC_EXTERN PetscErrorCode MatSolveTransposeAdd(Mat,Vec,Vec,Vec); 1130 PETSC_EXTERN PetscErrorCode MatSolves(Mat,Vecs,Vecs); 1131 PETSC_EXTERN PetscErrorCode MatSetUnfactored(Mat); 1132 1133 typedef enum {MAT_FACTOR_SCHUR_UNFACTORED, MAT_FACTOR_SCHUR_FACTORED, MAT_FACTOR_SCHUR_INVERTED} MatFactorSchurStatus; 1134 PETSC_EXTERN PetscErrorCode MatFactorSetSchurIS(Mat,IS); 1135 PETSC_EXTERN PetscErrorCode MatFactorGetSchurComplement(Mat,Mat*,MatFactorSchurStatus*); 1136 PETSC_EXTERN PetscErrorCode MatFactorRestoreSchurComplement(Mat,Mat*,MatFactorSchurStatus); 1137 PETSC_EXTERN PetscErrorCode MatFactorInvertSchurComplement(Mat); 1138 PETSC_EXTERN PetscErrorCode MatFactorCreateSchurComplement(Mat,Mat*,MatFactorSchurStatus*); 1139 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplement(Mat,Vec,Vec); 1140 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplementTranspose(Mat,Vec,Vec); 1141 PETSC_EXTERN PetscErrorCode MatFactorFactorizeSchurComplement(Mat); 1142 1143 /*E 1144 MatSORType - What type of (S)SOR to perform 1145 1146 Level: beginner 1147 1148 May be bitwise ORd together 1149 1150 Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h 1151 1152 MatSORType may be bitwise ORd together, so do not change the numbers 1153 1154 .seealso: MatSOR() 1155 E*/ 1156 typedef enum {SOR_FORWARD_SWEEP=1,SOR_BACKWARD_SWEEP=2,SOR_SYMMETRIC_SWEEP=3, 1157 SOR_LOCAL_FORWARD_SWEEP=4,SOR_LOCAL_BACKWARD_SWEEP=8, 1158 SOR_LOCAL_SYMMETRIC_SWEEP=12,SOR_ZERO_INITIAL_GUESS=16, 1159 SOR_EISENSTAT=32,SOR_APPLY_UPPER=64,SOR_APPLY_LOWER=128} MatSORType; 1160 PETSC_EXTERN PetscErrorCode MatSOR(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec); 1161 1162 /* 1163 These routines are for efficiently computing Jacobians via finite differences. 1164 */ 1165 1166 /*S 1167 MatColoring - Object for managing the coloring of matrices. 1168 1169 Level: beginner 1170 1171 Concepts: matrix, coloring 1172 1173 .seealso: MatFDColoringCreate() ISColoring MatFDColoring 1174 S*/ 1175 typedef struct _p_MatColoring* MatColoring; 1176 /*J 1177 MatColoringType - String with the name of a PETSc matrix coloring 1178 1179 Level: beginner 1180 1181 .seealso: MatColoringSetType(), MatColoring 1182 J*/ 1183 1184 typedef const char* MatColoringType; 1185 #define MATCOLORINGJP "jp" 1186 #define MATCOLORINGPOWER "power" 1187 #define MATCOLORINGNATURAL "natural" 1188 #define MATCOLORINGSL "sl" 1189 #define MATCOLORINGLF "lf" 1190 #define MATCOLORINGID "id" 1191 #define MATCOLORINGGREEDY "greedy" 1192 1193 /*E 1194 MatColoringWeightType - Type of weight scheme 1195 1196 Not Collective 1197 1198 + MAT_COLORING_RANDOM - Random weights 1199 . MAT_COLORING_LEXICAL - Lexical weighting based upon global numbering. 1200 - MAT_COLORING_LF - Last-first weighting. 1201 1202 Level: intermediate 1203 1204 Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h 1205 1206 .seealso: MatCUSPSetFormat(), MatCUSPFormatOperation 1207 E*/ 1208 typedef enum {MAT_COLORING_WEIGHT_RANDOM,MAT_COLORING_WEIGHT_LEXICAL,MAT_COLORING_WEIGHT_LF,MAT_COLORING_WEIGHT_SL} MatColoringWeightType; 1209 1210 PETSC_EXTERN PetscErrorCode MatColoringCreate(Mat,MatColoring*); 1211 PETSC_EXTERN PetscErrorCode MatColoringGetDegrees(Mat,PetscInt,PetscInt*); 1212 PETSC_EXTERN PetscErrorCode MatColoringDestroy(MatColoring*); 1213 PETSC_EXTERN PetscErrorCode MatColoringView(MatColoring,PetscViewer); 1214 PETSC_EXTERN PetscErrorCode MatColoringSetType(MatColoring,MatColoringType); 1215 PETSC_EXTERN PetscErrorCode MatColoringSetFromOptions(MatColoring); 1216 PETSC_EXTERN PetscErrorCode MatColoringSetDistance(MatColoring,PetscInt); 1217 PETSC_EXTERN PetscErrorCode MatColoringGetDistance(MatColoring,PetscInt*); 1218 PETSC_EXTERN PetscErrorCode MatColoringSetMaxColors(MatColoring,PetscInt); 1219 PETSC_EXTERN PetscErrorCode MatColoringGetMaxColors(MatColoring,PetscInt*); 1220 PETSC_EXTERN PetscErrorCode MatColoringApply(MatColoring,ISColoring*); 1221 PETSC_EXTERN PetscErrorCode MatColoringRegister(const char[],PetscErrorCode(*)(MatColoring)); 1222 PETSC_EXTERN PetscErrorCode MatColoringPatch(Mat,PetscInt,PetscInt,ISColoringValue[],ISColoring*); 1223 PETSC_EXTERN PetscErrorCode MatColoringSetWeightType(MatColoring,MatColoringWeightType); 1224 PETSC_EXTERN PetscErrorCode MatColoringSetWeights(MatColoring,PetscReal*,PetscInt*); 1225 PETSC_EXTERN PetscErrorCode MatColoringCreateWeights(MatColoring,PetscReal **,PetscInt **lperm); 1226 PETSC_EXTERN PetscErrorCode MatColoringTestValid(MatColoring,ISColoring); 1227 1228 /*S 1229 MatFDColoring - Object for computing a sparse Jacobian via finite differences 1230 and coloring 1231 1232 Level: beginner 1233 1234 Concepts: coloring, sparse Jacobian, finite differences 1235 1236 .seealso: MatFDColoringCreate() 1237 S*/ 1238 typedef struct _p_MatFDColoring* MatFDColoring; 1239 1240 PETSC_EXTERN PetscErrorCode MatFDColoringCreate(Mat,ISColoring,MatFDColoring *); 1241 PETSC_EXTERN PetscErrorCode MatFDColoringDestroy(MatFDColoring*); 1242 PETSC_EXTERN PetscErrorCode MatFDColoringView(MatFDColoring,PetscViewer); 1243 PETSC_EXTERN PetscErrorCode MatFDColoringSetFunction(MatFDColoring,PetscErrorCode (*)(void),void*); 1244 PETSC_EXTERN PetscErrorCode MatFDColoringGetFunction(MatFDColoring,PetscErrorCode (**)(void),void**); 1245 PETSC_EXTERN PetscErrorCode MatFDColoringSetParameters(MatFDColoring,PetscReal,PetscReal); 1246 PETSC_EXTERN PetscErrorCode MatFDColoringSetFromOptions(MatFDColoring); 1247 PETSC_EXTERN PetscErrorCode MatFDColoringApply(Mat,MatFDColoring,Vec,void *); 1248 PETSC_EXTERN PetscErrorCode MatFDColoringSetF(MatFDColoring,Vec); 1249 PETSC_EXTERN PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring,PetscInt*,const PetscInt*[]); 1250 PETSC_EXTERN PetscErrorCode MatFDColoringSetUp(Mat,ISColoring,MatFDColoring); 1251 PETSC_EXTERN PetscErrorCode MatFDColoringSetBlockSize(MatFDColoring,PetscInt,PetscInt); 1252 1253 1254 /*S 1255 MatTransposeColoring - Object for computing a sparse matrix product C=A*B^T via coloring 1256 1257 Level: beginner 1258 1259 Concepts: coloring, sparse matrix product 1260 1261 .seealso: MatTransposeColoringCreate() 1262 S*/ 1263 typedef struct _p_MatTransposeColoring* MatTransposeColoring; 1264 1265 PETSC_EXTERN PetscErrorCode MatTransposeColoringCreate(Mat,ISColoring,MatTransposeColoring *); 1266 PETSC_EXTERN PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring,Mat,Mat); 1267 PETSC_EXTERN PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring,Mat,Mat); 1268 PETSC_EXTERN PetscErrorCode MatTransposeColoringDestroy(MatTransposeColoring*); 1269 1270 /* 1271 These routines are for partitioning matrices: currently used only 1272 for adjacency matrix, MatCreateMPIAdj(). 1273 */ 1274 1275 /*S 1276 MatPartitioning - Object for managing the partitioning of a matrix or graph 1277 1278 Level: beginner 1279 1280 Concepts: partitioning 1281 1282 .seealso: MatPartitioningCreate(), MatPartitioningType 1283 S*/ 1284 typedef struct _p_MatPartitioning* MatPartitioning; 1285 1286 /*J 1287 MatPartitioningType - String with the name of a PETSc matrix partitioning 1288 1289 Level: beginner 1290 dm 1291 .seealso: MatPartitioningCreate(), MatPartitioning 1292 J*/ 1293 typedef const char* MatPartitioningType; 1294 #define MATPARTITIONINGCURRENT "current" 1295 #define MATPARTITIONINGAVERAGE "average" 1296 #define MATPARTITIONINGSQUARE "square" 1297 #define MATPARTITIONINGPARMETIS "parmetis" 1298 #define MATPARTITIONINGCHACO "chaco" 1299 #define MATPARTITIONINGPARTY "party" 1300 #define MATPARTITIONINGPTSCOTCH "ptscotch" 1301 #define MATPARTITIONINGHIERARCH "hierarch" 1302 1303 1304 PETSC_EXTERN PetscErrorCode MatPartitioningCreate(MPI_Comm,MatPartitioning*); 1305 PETSC_EXTERN PetscErrorCode MatPartitioningSetType(MatPartitioning,MatPartitioningType); 1306 PETSC_EXTERN PetscErrorCode MatPartitioningSetNParts(MatPartitioning,PetscInt); 1307 PETSC_EXTERN PetscErrorCode MatPartitioningSetAdjacency(MatPartitioning,Mat); 1308 PETSC_EXTERN PetscErrorCode MatPartitioningSetVertexWeights(MatPartitioning,const PetscInt[]); 1309 PETSC_EXTERN PetscErrorCode MatPartitioningSetPartitionWeights(MatPartitioning,const PetscReal []); 1310 PETSC_EXTERN PetscErrorCode MatPartitioningApply(MatPartitioning,IS*); 1311 PETSC_EXTERN PetscErrorCode MatPartitioningDestroy(MatPartitioning*); 1312 1313 PETSC_EXTERN PetscErrorCode MatPartitioningRegister(const char[],PetscErrorCode (*)(MatPartitioning)); 1314 1315 1316 1317 PETSC_EXTERN PetscErrorCode MatPartitioningView(MatPartitioning,PetscViewer); 1318 PETSC_EXTERN PetscErrorCode MatPartitioningSetFromOptions(MatPartitioning); 1319 PETSC_EXTERN PetscErrorCode MatPartitioningGetType(MatPartitioning,MatPartitioningType*); 1320 1321 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetRepartition(MatPartitioning part); 1322 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetCoarseSequential(MatPartitioning); 1323 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisGetEdgeCut(MatPartitioning, PetscInt *); 1324 1325 typedef enum { MP_CHACO_MULTILEVEL=1,MP_CHACO_SPECTRAL=2,MP_CHACO_LINEAR=4,MP_CHACO_RANDOM=5,MP_CHACO_SCATTERED=6 } MPChacoGlobalType; 1326 PETSC_EXTERN const char *const MPChacoGlobalTypes[]; 1327 typedef enum { MP_CHACO_KERNIGHAN=1,MP_CHACO_NONE=2 } MPChacoLocalType; 1328 PETSC_EXTERN const char *const MPChacoLocalTypes[]; 1329 typedef enum { MP_CHACO_LANCZOS=0,MP_CHACO_RQI=1 } MPChacoEigenType; 1330 PETSC_EXTERN const char *const MPChacoEigenTypes[]; 1331 1332 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetGlobal(MatPartitioning,MPChacoGlobalType); 1333 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetGlobal(MatPartitioning,MPChacoGlobalType*); 1334 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetLocal(MatPartitioning,MPChacoLocalType); 1335 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetLocal(MatPartitioning,MPChacoLocalType*); 1336 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetCoarseLevel(MatPartitioning,PetscReal); 1337 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning,MPChacoEigenType); 1338 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenSolver(MatPartitioning,MPChacoEigenType*); 1339 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning,PetscReal); 1340 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenTol(MatPartitioning,PetscReal*); 1341 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenNumber(MatPartitioning,PetscInt); 1342 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenNumber(MatPartitioning,PetscInt*); 1343 1344 #define MP_PARTY_OPT "opt" 1345 #define MP_PARTY_LIN "lin" 1346 #define MP_PARTY_SCA "sca" 1347 #define MP_PARTY_RAN "ran" 1348 #define MP_PARTY_GBF "gbf" 1349 #define MP_PARTY_GCF "gcf" 1350 #define MP_PARTY_BUB "bub" 1351 #define MP_PARTY_DEF "def" 1352 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetGlobal(MatPartitioning,const char*); 1353 #define MP_PARTY_HELPFUL_SETS "hs" 1354 #define MP_PARTY_KERNIGHAN_LIN "kl" 1355 #define MP_PARTY_NONE "no" 1356 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetLocal(MatPartitioning,const char*); 1357 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetCoarseLevel(MatPartitioning,PetscReal); 1358 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetBipart(MatPartitioning,PetscBool); 1359 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetMatchOptimization(MatPartitioning,PetscBool); 1360 1361 typedef enum { MP_PTSCOTCH_QUALITY,MP_PTSCOTCH_SPEED,MP_PTSCOTCH_BALANCE,MP_PTSCOTCH_SAFETY,MP_PTSCOTCH_SCALABILITY } MPPTScotchStrategyType; 1362 PETSC_EXTERN const char *const MPPTScotchStrategyTypes[]; 1363 1364 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning,PetscReal); 1365 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetImbalance(MatPartitioning,PetscReal*); 1366 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning,MPPTScotchStrategyType); 1367 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetStrategy(MatPartitioning,MPPTScotchStrategyType*); 1368 1369 /* 1370 * hierarchical partitioning 1371 */ 1372 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetFineparts(MatPartitioning,IS*); 1373 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetCoarseparts(MatPartitioning,IS*); 1374 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNcoarseparts(MatPartitioning,PetscInt); 1375 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNfineparts(MatPartitioning, PetscInt); 1376 1377 PETSC_EXTERN PetscErrorCode MatMeshToVertexGraph(Mat,PetscInt,Mat*); 1378 PETSC_EXTERN PetscErrorCode MatMeshToCellGraph(Mat,PetscInt,Mat*); 1379 1380 /* 1381 If you add entries here you must also add them to petsc/finclude/petscmat.h 1382 */ 1383 typedef enum { MATOP_SET_VALUES=0, 1384 MATOP_GET_ROW=1, 1385 MATOP_RESTORE_ROW=2, 1386 MATOP_MULT=3, 1387 MATOP_MULT_ADD=4, 1388 MATOP_MULT_TRANSPOSE=5, 1389 MATOP_MULT_TRANSPOSE_ADD=6, 1390 MATOP_SOLVE=7, 1391 MATOP_SOLVE_ADD=8, 1392 MATOP_SOLVE_TRANSPOSE=9, 1393 MATOP_SOLVE_TRANSPOSE_ADD=10, 1394 MATOP_LUFACTOR=11, 1395 MATOP_CHOLESKYFACTOR=12, 1396 MATOP_SOR=13, 1397 MATOP_TRANSPOSE=14, 1398 MATOP_GETINFO=15, 1399 MATOP_EQUAL=16, 1400 MATOP_GET_DIAGONAL=17, 1401 MATOP_DIAGONAL_SCALE=18, 1402 MATOP_NORM=19, 1403 MATOP_ASSEMBLY_BEGIN=20, 1404 MATOP_ASSEMBLY_END=21, 1405 MATOP_SET_OPTION=22, 1406 MATOP_ZERO_ENTRIES=23, 1407 MATOP_ZERO_ROWS=24, 1408 MATOP_LUFACTOR_SYMBOLIC=25, 1409 MATOP_LUFACTOR_NUMERIC=26, 1410 MATOP_CHOLESKY_FACTOR_SYMBOLIC=27, 1411 MATOP_CHOLESKY_FACTOR_NUMERIC=28, 1412 MATOP_SETUP_PREALLOCATION=29, 1413 MATOP_ILUFACTOR_SYMBOLIC=30, 1414 MATOP_ICCFACTOR_SYMBOLIC=31, 1415 MATOP_GET_DIAGONAL_BLOCK=32, 1416 /* MATOP_PLACEHOLDER_33=33, */ 1417 MATOP_DUPLICATE=34, 1418 MATOP_FORWARD_SOLVE=35, 1419 MATOP_BACKWARD_SOLVE=36, 1420 MATOP_ILUFACTOR=37, 1421 MATOP_ICCFACTOR=38, 1422 MATOP_AXPY=39, 1423 MATOP_CREATE_SUBMATRICES=40, 1424 MATOP_INCREASE_OVERLAP=41, 1425 MATOP_GET_VALUES=42, 1426 MATOP_COPY=43, 1427 MATOP_GET_ROW_MAX=44, 1428 MATOP_SCALE=45, 1429 MATOP_SHIFT=46, 1430 MATOP_DIAGONAL_SET=47, 1431 MATOP_ZERO_ROWS_COLUMNS=48, 1432 MATOP_SET_RANDOM=49, 1433 MATOP_GET_ROW_IJ=50, 1434 MATOP_RESTORE_ROW_IJ=51, 1435 MATOP_GET_COLUMN_IJ=52, 1436 MATOP_RESTORE_COLUMN_IJ=53, 1437 MATOP_FDCOLORING_CREATE=54, 1438 MATOP_COLORING_PATCH=55, 1439 MATOP_SET_UNFACTORED=56, 1440 MATOP_PERMUTE=57, 1441 MATOP_SET_VALUES_BLOCKED=58, 1442 MATOP_CREATE_SUBMATRIX=59, 1443 MATOP_DESTROY=60, 1444 MATOP_VIEW=61, 1445 MATOP_CONVERT_FROM=62, 1446 MATOP_MATMAT_MULT=63, 1447 MATOP_MATMAT_MULT_SYMBOLIC=64, 1448 MATOP_MATMAT_MULT_NUMERIC=65, 1449 MATOP_SET_LOCAL_TO_GLOBAL_MAP=66, 1450 MATOP_SET_VALUES_LOCAL=67, 1451 MATOP_ZERO_ROWS_LOCAL=68, 1452 MATOP_GET_ROW_MAX_ABS=69, 1453 MATOP_GET_ROW_MIN_ABS=70, 1454 MATOP_CONVERT=71, 1455 MATOP_SET_COLORING=72, 1456 /* MATOP_PLACEHOLDER_73=73, */ 1457 MATOP_SET_VALUES_ADIFOR=74, 1458 MATOP_FD_COLORING_APPLY=75, 1459 MATOP_SET_FROM_OPTIONS=76, 1460 MATOP_MULT_CONSTRAINED=77, 1461 MATOP_MULT_TRANSPOSE_CONSTRAIN=78, 1462 MATOP_FIND_ZERO_DIAGONALS=79, 1463 MATOP_MULT_MULTIPLE=80, 1464 MATOP_SOLVE_MULTIPLE=81, 1465 MATOP_GET_INERTIA=82, 1466 MATOP_LOAD=83, 1467 MATOP_IS_SYMMETRIC=84, 1468 MATOP_IS_HERMITIAN=85, 1469 MATOP_IS_STRUCTURALLY_SYMMETRIC=86, 1470 MATOP_SET_VALUES_BLOCKEDLOCAL=87, 1471 MATOP_CREATE_VECS=88, 1472 MATOP_MAT_MULT=89, 1473 MATOP_MAT_MULT_SYMBOLIC=90, 1474 MATOP_MAT_MULT_NUMERIC=91, 1475 MATOP_PTAP=92, 1476 MATOP_PTAP_SYMBOLIC=93, 1477 MATOP_PTAP_NUMERIC=94, 1478 MATOP_MAT_TRANSPOSE_MULT=95, 1479 MATOP_MAT_TRANSPOSE_MULT_SYMBO=96, 1480 MATOP_MAT_TRANSPOSE_MULT_NUMER=97, 1481 /* MATOP_PLACEHOLDER_98=98, */ 1482 /* MATOP_PLACEHOLDER_99=99, */ 1483 /* MATOP_PLACEHOLDER_100=100, */ 1484 /* MATOP_PLACEHOLDER_101=101, */ 1485 MATOP_CONJUGATE=102, 1486 /* MATOP_PLACEHOLDER_103=103, */ 1487 MATOP_SET_VALUES_ROW=104, 1488 MATOP_REAL_PART=105, 1489 MATOP_IMAGINARY_PART=106, 1490 MATOP_GET_ROW_UPPER_TRIANGULAR=107, 1491 MATOP_RESTORE_ROW_UPPER_TRIANG=108, 1492 MATOP_MAT_SOLVE=109, 1493 MATOP_MAT_SOLVE_TRANSPOSE=110, 1494 MATOP_GET_ROW_MIN=111, 1495 MATOP_GET_COLUMN_VECTOR=112, 1496 MATOP_MISSING_DIAGONAL=113, 1497 MATOP_GET_SEQ_NONZERO_STRUCTUR=114, 1498 MATOP_CREATE=115, 1499 MATOP_GET_GHOSTS=116, 1500 MATOP_GET_LOCAL_SUB_MATRIX=117, 1501 MATOP_RESTORE_LOCALSUB_MATRIX=118, 1502 MATOP_MULT_DIAGONAL_BLOCK=119, 1503 MATOP_HERMITIAN_TRANSPOSE=120, 1504 MATOP_MULT_HERMITIAN_TRANSPOSE=121, 1505 MATOP_MULT_HERMITIAN_TRANS_ADD=122, 1506 MATOP_GET_MULTI_PROC_BLOCK=123, 1507 MATOP_FIND_NONZERO_ROWS=124, 1508 MATOP_GET_COLUMN_NORMS=125, 1509 MATOP_INVERT_BLOCK_DIAGONAL=126, 1510 /* MATOP_PLACEHOLDER_127=127, */ 1511 MATOP_CREATE_SUB_MATRICES_MPI=128, 1512 MATOP_SET_VALUES_BATCH=129, 1513 MATOP_TRANSPOSE_MAT_MULT=130, 1514 MATOP_TRANSPOSE_MAT_MULT_SYMBO=131, 1515 MATOP_TRANSPOSE_MAT_MULT_NUMER=132, 1516 MATOP_TRANSPOSE_COLORING_CREAT=133, 1517 MATOP_TRANS_COLORING_APPLY_SPT=134, 1518 MATOP_TRANS_COLORING_APPLY_DEN=135, 1519 MATOP_RART=136, 1520 MATOP_RART_SYMBOLIC=137, 1521 MATOP_RART_NUMERIC=138, 1522 MATOP_SET_BLOCK_SIZES=139, 1523 MATOP_AYPX=140, 1524 MATOP_RESIDUAL=141, 1525 MATOP_FDCOLORING_SETUP=142, 1526 MATOP_MPICONCATENATESEQ=144, 1527 MATOP_DESTROYSUBMATRICES=145 1528 } MatOperation; 1529 PETSC_EXTERN PetscErrorCode MatHasOperation(Mat,MatOperation,PetscBool *); 1530 PETSC_EXTERN PetscErrorCode MatShellSetOperation(Mat,MatOperation,void(*)(void)); 1531 PETSC_EXTERN PetscErrorCode MatShellGetOperation(Mat,MatOperation,void(**)(void)); 1532 PETSC_EXTERN PetscErrorCode MatShellSetContext(Mat,void*); 1533 1534 /* 1535 Codes for matrices stored on disk. By default they are 1536 stored in a universal format. By changing the format with 1537 PetscViewerPushFormat(viewer,PETSC_VIEWER_NATIVE); the matrices will 1538 be stored in a way natural for the matrix, for example dense matrices 1539 would be stored as dense. Matrices stored this way may only be 1540 read into matrices of the same type. 1541 */ 1542 #define MATRIX_BINARY_FORMAT_DENSE -1 1543 1544 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat,PetscReal); 1545 PETSC_EXTERN PetscErrorCode MatISGetLocalMat(Mat,Mat*); 1546 PETSC_EXTERN PetscErrorCode MatISRestoreLocalMat(Mat,Mat*); 1547 PETSC_EXTERN PetscErrorCode MatISSetLocalMat(Mat,Mat); 1548 PETSC_EXTERN PetscErrorCode MatISGetMPIXAIJ(Mat,MatReuse,Mat*); 1549 1550 /*S 1551 MatNullSpace - Object that removes a null space from a vector, i.e. 1552 orthogonalizes the vector to a subsapce 1553 1554 Level: advanced 1555 1556 Concepts: matrix; linear operator, null space 1557 1558 Users manual sections: 1559 . sec_singular 1560 1561 .seealso: MatNullSpaceCreate() 1562 S*/ 1563 typedef struct _p_MatNullSpace* MatNullSpace; 1564 1565 PETSC_EXTERN PetscErrorCode MatNullSpaceCreate(MPI_Comm,PetscBool ,PetscInt,const Vec[],MatNullSpace*); 1566 PETSC_EXTERN PetscErrorCode MatNullSpaceSetFunction(MatNullSpace,PetscErrorCode (*)(MatNullSpace,Vec,void*),void*); 1567 PETSC_EXTERN PetscErrorCode MatNullSpaceDestroy(MatNullSpace*); 1568 PETSC_EXTERN PetscErrorCode MatNullSpaceRemove(MatNullSpace,Vec); 1569 PETSC_EXTERN PetscErrorCode MatGetNullSpace(Mat, MatNullSpace *); 1570 PETSC_EXTERN PetscErrorCode MatGetTransposeNullSpace(Mat, MatNullSpace *); 1571 PETSC_EXTERN PetscErrorCode MatSetTransposeNullSpace(Mat,MatNullSpace); 1572 PETSC_EXTERN PetscErrorCode MatSetNullSpace(Mat,MatNullSpace); 1573 PETSC_EXTERN PetscErrorCode MatSetNearNullSpace(Mat,MatNullSpace); 1574 PETSC_EXTERN PetscErrorCode MatGetNearNullSpace(Mat,MatNullSpace*); 1575 PETSC_EXTERN PetscErrorCode MatNullSpaceTest(MatNullSpace,Mat,PetscBool *); 1576 PETSC_EXTERN PetscErrorCode MatNullSpaceView(MatNullSpace,PetscViewer); 1577 PETSC_EXTERN PetscErrorCode MatNullSpaceGetVecs(MatNullSpace,PetscBool*,PetscInt*,const Vec**); 1578 PETSC_EXTERN PetscErrorCode MatNullSpaceCreateRigidBody(Vec,MatNullSpace*); 1579 1580 PETSC_EXTERN PetscErrorCode MatReorderingSeqSBAIJ(Mat,IS); 1581 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetHashTableFactor(Mat,PetscReal); 1582 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetColumnIndices(Mat,PetscInt *); 1583 PETSC_EXTERN PetscErrorCode MatSeqBAIJInvertBlockDiagonal(Mat); 1584 1585 PETSC_EXTERN PetscErrorCode MatCreateMAIJ(Mat,PetscInt,Mat*); 1586 PETSC_EXTERN PetscErrorCode MatMAIJRedimension(Mat,PetscInt,Mat*); 1587 PETSC_EXTERN PetscErrorCode MatMAIJGetAIJ(Mat,Mat*); 1588 1589 PETSC_EXTERN PetscErrorCode MatComputeExplicitOperator(Mat,Mat*); 1590 1591 PETSC_EXTERN PetscErrorCode MatDiagonalScaleLocal(Mat,Vec); 1592 1593 PETSC_EXTERN PetscErrorCode MatCreateMFFD(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,Mat*); 1594 PETSC_EXTERN PetscErrorCode MatMFFDSetBase(Mat,Vec,Vec); 1595 PETSC_EXTERN PetscErrorCode MatMFFDSetFunction(Mat,PetscErrorCode(*)(void*,Vec,Vec),void*); 1596 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioni(Mat,PetscErrorCode (*)(void*,PetscInt,Vec,PetscScalar*)); 1597 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioniBase(Mat,PetscErrorCode (*)(void*,Vec)); 1598 PETSC_EXTERN PetscErrorCode MatMFFDSetHHistory(Mat,PetscScalar[],PetscInt); 1599 PETSC_EXTERN PetscErrorCode MatMFFDResetHHistory(Mat); 1600 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctionError(Mat,PetscReal); 1601 PETSC_EXTERN PetscErrorCode MatMFFDSetPeriod(Mat,PetscInt); 1602 PETSC_EXTERN PetscErrorCode MatMFFDGetH(Mat,PetscScalar *); 1603 PETSC_EXTERN PetscErrorCode MatMFFDSetOptionsPrefix(Mat,const char[]); 1604 PETSC_EXTERN PetscErrorCode MatMFFDCheckPositivity(void*,Vec,Vec,PetscScalar*); 1605 PETSC_EXTERN PetscErrorCode MatMFFDSetCheckh(Mat,PetscErrorCode (*)(void*,Vec,Vec,PetscScalar*),void*); 1606 1607 /*S 1608 MatMFFD - A data structured used to manage the computation of the h differencing parameter for matrix-free 1609 Jacobian vector products 1610 1611 Notes: MATMFFD is a specific MatType which uses the MatMFFD data structure 1612 1613 MatMFFD*() methods actually take the Mat as their first argument. Not a MatMFFD data structure 1614 1615 Level: developer 1616 1617 .seealso: MATMFFD, MatCreateMFFD(), MatMFFDSetFuction(), MatMFFDSetType(), MatMFFDRegister() 1618 S*/ 1619 typedef struct _p_MatMFFD* MatMFFD; 1620 1621 /*J 1622 MatMFFDType - algorithm used to compute the h used in computing matrix-vector products via differencing of the function 1623 1624 Level: beginner 1625 1626 .seealso: MatMFFDSetType(), MatMFFDRegister() 1627 J*/ 1628 typedef const char* MatMFFDType; 1629 #define MATMFFD_DS "ds" 1630 #define MATMFFD_WP "wp" 1631 1632 PETSC_EXTERN PetscErrorCode MatMFFDSetType(Mat,MatMFFDType); 1633 PETSC_EXTERN PetscErrorCode MatMFFDRegister(const char[],PetscErrorCode (*)(MatMFFD)); 1634 1635 PETSC_EXTERN PetscErrorCode MatMFFDDSSetUmin(Mat,PetscReal); 1636 PETSC_EXTERN PetscErrorCode MatMFFDWPSetComputeNormU(Mat,PetscBool ); 1637 1638 PETSC_EXTERN PetscErrorCode MatFDColoringSetType(MatFDColoring,MatMFFDType); 1639 1640 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutMatrix(PetscViewer, PetscInt, PetscInt, PetscReal *); 1641 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutCSRMatrix(PetscViewer, PetscInt, PetscInt, PetscInt *, PetscInt *, PetscReal *); 1642 1643 /* 1644 PETSc interface to MUMPS 1645 */ 1646 #ifdef PETSC_HAVE_MUMPS 1647 PETSC_EXTERN PetscErrorCode MatMumpsSetIcntl(Mat,PetscInt,PetscInt); 1648 PETSC_EXTERN PetscErrorCode MatMumpsGetIcntl(Mat,PetscInt,PetscInt*); 1649 PETSC_EXTERN PetscErrorCode MatMumpsSetCntl(Mat,PetscInt,PetscReal); 1650 PETSC_EXTERN PetscErrorCode MatMumpsGetCntl(Mat,PetscInt,PetscReal*); 1651 1652 PETSC_EXTERN PetscErrorCode MatMumpsGetInfo(Mat,PetscInt,PetscInt*); 1653 PETSC_EXTERN PetscErrorCode MatMumpsGetInfog(Mat,PetscInt,PetscInt*); 1654 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfo(Mat,PetscInt,PetscReal*); 1655 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfog(Mat,PetscInt,PetscReal*); 1656 #endif 1657 1658 /* 1659 PETSc interface to Mkl_Pardiso 1660 */ 1661 #ifdef PETSC_HAVE_MKL_PARDISO 1662 PETSC_EXTERN PetscErrorCode MatMkl_PardisoSetCntl(Mat,PetscInt,PetscInt); 1663 #endif 1664 1665 /* 1666 PETSc interface to Mkl_CPardiso 1667 */ 1668 #ifdef PETSC_HAVE_MKL_CPARDISO 1669 PETSC_EXTERN PetscErrorCode MatMkl_CPardisoSetCntl(Mat,PetscInt,PetscInt); 1670 #endif 1671 1672 /* 1673 PETSc interface to SUPERLU 1674 */ 1675 #ifdef PETSC_HAVE_SUPERLU 1676 PETSC_EXTERN PetscErrorCode MatSuperluSetILUDropTol(Mat,PetscReal); 1677 #endif 1678 1679 /* 1680 PETSc interface to SUPERLU_DIST 1681 */ 1682 #ifdef PETSC_HAVE_SUPERLU_DIST 1683 PETSC_EXTERN PetscErrorCode MatSuperluDistGetDiagU(Mat,PetscScalar*); 1684 #endif 1685 1686 /* 1687 PETSc interface to STRUMPACK 1688 */ 1689 #ifdef PETSC_HAVE_STRUMPACK 1690 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSRelCompTol(Mat,PetscReal); 1691 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMinSize(Mat,PetscInt); 1692 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetColPerm(Mat,PetscBool); 1693 #endif 1694 1695 1696 #ifdef PETSC_HAVE_CUDA 1697 /*E 1698 MatCUSPARSEStorageFormat - indicates the storage format for CUSPARSE (GPU) 1699 matrices. 1700 1701 Not Collective 1702 1703 + MAT_CUSPARSE_CSR - Compressed Sparse Row 1704 . MAT_CUSPARSE_ELL - Ellpack (requires CUDA 4.2 or later). 1705 - MAT_CUSPARSE_HYB - Hybrid, a combination of Ellpack and Coordinate format (requires CUDA 4.2 or later). 1706 1707 Level: intermediate 1708 1709 Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h 1710 1711 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEFormatOperation 1712 E*/ 1713 1714 typedef enum {MAT_CUSPARSE_CSR, MAT_CUSPARSE_ELL, MAT_CUSPARSE_HYB} MatCUSPARSEStorageFormat; 1715 1716 /* these will be strings associated with enumerated type defined above */ 1717 PETSC_EXTERN const char *const MatCUSPARSEStorageFormats[]; 1718 1719 /*E 1720 MatCUSPARSEFormatOperation - indicates the operation of CUSPARSE (GPU) 1721 matrices whose operation should use a particular storage format. 1722 1723 Not Collective 1724 1725 + MAT_CUSPARSE_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult 1726 . MAT_CUSPARSE_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult 1727 . MAT_CUSPARSE_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult 1728 - MAT_CUSPARSE_ALL - sets the storage format for all CUSPARSE (GPU) matrices 1729 1730 Level: intermediate 1731 1732 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEStorageFormat 1733 E*/ 1734 typedef enum {MAT_CUSPARSE_MULT_DIAG, MAT_CUSPARSE_MULT_OFFDIAG, MAT_CUSPARSE_MULT, MAT_CUSPARSE_ALL} MatCUSPARSEFormatOperation; 1735 1736 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*); 1737 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*); 1738 PETSC_EXTERN PetscErrorCode MatCUSPARSESetFormat(Mat,MatCUSPARSEFormatOperation,MatCUSPARSEStorageFormat); 1739 #endif 1740 1741 #if defined(PETSC_HAVE_CUSP) 1742 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSP(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*); 1743 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSP(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*); 1744 1745 /*E 1746 MatCUSPStorageFormat - indicates the storage format for CUSP (GPU) 1747 matrices. 1748 1749 Not Collective 1750 1751 + MAT_CUSP_CSR - Compressed Sparse Row 1752 . MAT_CUSP_DIA - Diagonal 1753 - MAT_CUSP_ELL - Ellpack 1754 1755 Level: intermediate 1756 1757 Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h 1758 1759 .seealso: MatCUSPSetFormat(), MatCUSPFormatOperation 1760 E*/ 1761 typedef enum {MAT_CUSP_CSR, MAT_CUSP_DIA, MAT_CUSP_ELL} MatCUSPStorageFormat; 1762 1763 /* these will be strings associated with enumerated type defined above */ 1764 PETSC_EXTERN const char *const MatCUSPStorageFormats[]; 1765 1766 /*E 1767 MatCUSPFormatOperation - indicates the operation of CUSP (GPU) 1768 matrices whose operation should use a particular storage format. 1769 1770 Not Collective 1771 1772 + MAT_CUSP_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult 1773 . MAT_CUSP_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult 1774 . MAT_CUSP_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult 1775 - MAT_CUSP_ALL - sets the storage format for all CUSP (GPU) matrices 1776 1777 Level: intermediate 1778 1779 Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h 1780 1781 .seealso: MatCUSPSetFormat(), MatCUSPStorageFormat 1782 E*/ 1783 typedef enum {MAT_CUSP_MULT_DIAG, MAT_CUSP_MULT_OFFDIAG, MAT_CUSP_MULT, MAT_CUSP_ALL} MatCUSPFormatOperation; 1784 1785 PETSC_EXTERN PetscErrorCode MatCUSPSetFormat(Mat,MatCUSPFormatOperation,MatCUSPStorageFormat); 1786 #endif 1787 1788 #if defined(PETSC_HAVE_VIENNACL) 1789 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*); 1790 PETSC_EXTERN PetscErrorCode MatCreateAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*); 1791 #endif 1792 1793 /* 1794 PETSc interface to FFTW 1795 */ 1796 #if defined(PETSC_HAVE_FFTW) 1797 PETSC_EXTERN PetscErrorCode VecScatterPetscToFFTW(Mat,Vec,Vec); 1798 PETSC_EXTERN PetscErrorCode VecScatterFFTWToPetsc(Mat,Vec,Vec); 1799 PETSC_EXTERN PetscErrorCode MatCreateVecsFFTW(Mat,Vec*,Vec*,Vec*); 1800 #endif 1801 1802 PETSC_EXTERN PetscErrorCode MatCreateNest(MPI_Comm,PetscInt,const IS[],PetscInt,const IS[],const Mat[],Mat*); 1803 PETSC_EXTERN PetscErrorCode MatNestGetSize(Mat,PetscInt*,PetscInt*); 1804 PETSC_EXTERN PetscErrorCode MatNestGetISs(Mat,IS[],IS[]); 1805 PETSC_EXTERN PetscErrorCode MatNestGetLocalISs(Mat,IS[],IS[]); 1806 PETSC_EXTERN PetscErrorCode MatNestGetSubMats(Mat,PetscInt*,PetscInt*,Mat***); 1807 PETSC_EXTERN PetscErrorCode MatNestGetSubMat(Mat,PetscInt,PetscInt,Mat*); 1808 PETSC_EXTERN PetscErrorCode MatNestSetVecType(Mat,VecType); 1809 PETSC_EXTERN PetscErrorCode MatNestSetSubMats(Mat,PetscInt,const IS[],PetscInt,const IS[],const Mat[]); 1810 PETSC_EXTERN PetscErrorCode MatNestSetSubMat(Mat,PetscInt,PetscInt,Mat); 1811 1812 PETSC_EXTERN PetscErrorCode MatChop(Mat,PetscReal); 1813 PETSC_EXTERN PetscErrorCode MatComputeBandwidth(Mat,PetscReal,PetscInt*); 1814 1815 PETSC_EXTERN PetscErrorCode MatSubdomainsCreateCoalesce(Mat,PetscInt,PetscInt*,IS**); 1816 1817 PETSC_EXTERN PetscErrorCode MatPreallocatorPreallocate(Mat,PetscBool,Mat); 1818 1819 PETSC_INTERN PetscErrorCode MatHeaderMerge(Mat,Mat*); 1820 PETSC_EXTERN PetscErrorCode MatHeaderReplace(Mat,Mat*); 1821 1822 #endif 1823