1 /* 2 Include file for the matrix component of PETSc 3 */ 4 #pragma once 5 6 #include <petscvec.h> 7 8 /* SUBMANSEC = Mat */ 9 10 /*S 11 Mat - Abstract PETSc matrix object used to manage all linear operators in PETSc, even those without 12 an explicit sparse representation (such as matrix-free operators). Also used to hold representations of graphs 13 for graph operations such as coloring, `MatColoringCreate()` 14 15 Level: beginner 16 17 Note: 18 See [](doc_matrix), [](ch_matrices) and `MatType` for available matrix types 19 20 .seealso: [](doc_matrix), [](ch_matrices), `MatCreate()`, `MatType`, `MatSetType()`, `MatDestroy()` 21 S*/ 22 typedef struct _p_Mat *Mat; 23 24 /*J 25 MatType - String with the name of a PETSc matrix type 26 27 Level: beginner 28 29 Note: 30 [](doc_matrix) for a table of available matrix types 31 32 .seealso: [](doc_matrix), [](ch_matrices), `MatSetType()`, `Mat`, `MatSolverType`, `MatRegister()` 33 J*/ 34 typedef const char *MatType; 35 #define MATSAME "same" 36 #define MATMAIJ "maij" 37 #define MATSEQMAIJ "seqmaij" 38 #define MATMPIMAIJ "mpimaij" 39 #define MATKAIJ "kaij" 40 #define MATSEQKAIJ "seqkaij" 41 #define MATMPIKAIJ "mpikaij" 42 #define MATIS "is" 43 #define MATAIJ "aij" 44 #define MATSEQAIJ "seqaij" 45 #define MATMPIAIJ "mpiaij" 46 #define MATAIJCRL "aijcrl" 47 #define MATSEQAIJCRL "seqaijcrl" 48 #define MATMPIAIJCRL "mpiaijcrl" 49 #define MATAIJCUSPARSE "aijcusparse" 50 #define MATSEQAIJCUSPARSE "seqaijcusparse" 51 #define MATMPIAIJCUSPARSE "mpiaijcusparse" 52 #define MATAIJHIPSPARSE "aijhipsparse" 53 #define MATSEQAIJHIPSPARSE "seqaijhipsparse" 54 #define MATMPIAIJHIPSPARSE "mpiaijhipsparse" 55 #define MATAIJKOKKOS "aijkokkos" 56 #define MATSEQAIJKOKKOS "seqaijkokkos" 57 #define MATMPIAIJKOKKOS "mpiaijkokkos" 58 #define MATAIJVIENNACL "aijviennacl" 59 #define MATSEQAIJVIENNACL "seqaijviennacl" 60 #define MATMPIAIJVIENNACL "mpiaijviennacl" 61 #define MATAIJPERM "aijperm" 62 #define MATSEQAIJPERM "seqaijperm" 63 #define MATMPIAIJPERM "mpiaijperm" 64 #define MATAIJSELL "aijsell" 65 #define MATSEQAIJSELL "seqaijsell" 66 #define MATMPIAIJSELL "mpiaijsell" 67 #define MATAIJMKL "aijmkl" 68 #define MATSEQAIJMKL "seqaijmkl" 69 #define MATMPIAIJMKL "mpiaijmkl" 70 #define MATBAIJMKL "baijmkl" 71 #define MATSEQBAIJMKL "seqbaijmkl" 72 #define MATMPIBAIJMKL "mpibaijmkl" 73 #define MATSHELL "shell" 74 #define MATCENTERING "centering" 75 #define MATDENSE "dense" 76 #define MATDENSECUDA "densecuda" 77 #define MATDENSEHIP "densehip" 78 #define MATSEQDENSE "seqdense" 79 #define MATSEQDENSECUDA "seqdensecuda" 80 #define MATSEQDENSEHIP "seqdensehip" 81 #define MATMPIDENSE "mpidense" 82 #define MATMPIDENSECUDA "mpidensecuda" 83 #define MATMPIDENSEHIP "mpidensehip" 84 #define MATELEMENTAL "elemental" 85 #define MATSCALAPACK "scalapack" 86 #define MATBAIJ "baij" 87 #define MATSEQBAIJ "seqbaij" 88 #define MATMPIBAIJ "mpibaij" 89 #define MATMPIADJ "mpiadj" 90 #define MATSBAIJ "sbaij" 91 #define MATSEQSBAIJ "seqsbaij" 92 #define MATMPISBAIJ "mpisbaij" 93 #define MATMFFD "mffd" 94 #define MATNORMAL "normal" 95 #define MATNORMALHERMITIAN "normalh" 96 #define MATLRC "lrc" 97 #define MATSCATTER "scatter" 98 #define MATBLOCKMAT "blockmat" 99 #define MATCOMPOSITE "composite" 100 #define MATFFT "fft" 101 #define MATFFTW "fftw" 102 #define MATSEQCUFFT "seqcufft" 103 #define MATSEQHIPFFT "seqhipfft" 104 #define MATTRANSPOSEMAT PETSC_DEPRECATED_MACRO(3, 18, 0, "MATTRANSPOSEVIRTUAL", ) "transpose" 105 #define MATTRANSPOSEVIRTUAL "transpose" 106 #define MATHERMITIANTRANSPOSEVIRTUAL "hermitiantranspose" 107 #define MATSCHURCOMPLEMENT "schurcomplement" 108 #define MATPYTHON "python" 109 #define MATHYPRE "hypre" 110 #define MATHYPRESTRUCT "hyprestruct" 111 #define MATHYPRESSTRUCT "hypresstruct" 112 #define MATSUBMATRIX "submatrix" 113 #define MATLOCALREF "localref" 114 #define MATNEST "nest" 115 #define MATPREALLOCATOR "preallocator" 116 #define MATSELL "sell" 117 #define MATSEQSELL "seqsell" 118 #define MATMPISELL "mpisell" 119 #define MATSELLCUDA "sellcuda" 120 #define MATSEQSELLCUDA "seqsellcuda" 121 #define MATMPISELLCUDA "mpisellcuda" 122 #define MATSELLHIP "sellhip" 123 #define MATSEQSELLHIP "seqsellhip" 124 #define MATMPISELLHIP "mpisellhip" 125 #define MATDUMMY "dummy" 126 #define MATLMVM "lmvm" 127 #define MATLMVMDFP "lmvmdfp" 128 #define MATLMVMDDFP "lmvmddfp" 129 #define MATLMVMBFGS "lmvmbfgs" 130 #define MATLMVMDBFGS "lmvmdbfgs" 131 #define MATLMVMDQN "lmvmdqn" 132 #define MATLMVMSR1 "lmvmsr1" 133 #define MATLMVMBROYDEN "lmvmbroyden" 134 #define MATLMVMBADBROYDEN "lmvmbadbroyden" 135 #define MATLMVMSYMBROYDEN "lmvmsymbroyden" 136 #define MATLMVMSYMBADBROYDEN "lmvmsymbadbroyden" 137 #define MATLMVMDIAGBROYDEN "lmvmdiagbroyden" 138 #define MATCONSTANTDIAGONAL "constantdiagonal" 139 #define MATDIAGONAL "diagonal" 140 #define MATHTOOL "htool" 141 #define MATH2OPUS "h2opus" 142 143 /*J 144 MatSolverType - String with the name of a PETSc factorization-based matrix solver type. 145 146 For example: "petsc" indicates what PETSc provides, "superlu_dist" the parallel SuperLU_DIST package etc 147 148 Level: beginner 149 150 Note: 151 `MATSOLVERUMFPACK`, `MATSOLVERCHOLMOD`, `MATSOLVERKLU`, `MATSOLVERSPQR` form the SuiteSparse package; you can use `--download-suitesparse` as 152 a ./configure option to install them 153 154 .seealso: [](sec_matfactor), [](ch_matrices), `MatGetFactor()`, `PCFactorSetMatSolverType()`, `PCFactorGetMatSolverType()` 155 J*/ 156 typedef const char *MatSolverType; 157 #define MATSOLVERSUPERLU "superlu" 158 #define MATSOLVERSUPERLU_DIST "superlu_dist" 159 #define MATSOLVERSTRUMPACK "strumpack" 160 #define MATSOLVERUMFPACK "umfpack" 161 #define MATSOLVERCHOLMOD "cholmod" 162 #define MATSOLVERKLU "klu" 163 #define MATSOLVERELEMENTAL "elemental" 164 #define MATSOLVERSCALAPACK "scalapack" 165 #define MATSOLVERESSL "essl" 166 #define MATSOLVERLUSOL "lusol" 167 #define MATSOLVERMUMPS "mumps" 168 #define MATSOLVERMKL_PARDISO "mkl_pardiso" 169 #define MATSOLVERMKL_CPARDISO "mkl_cpardiso" 170 #define MATSOLVERPASTIX "pastix" 171 #define MATSOLVERMATLAB "matlab" 172 #define MATSOLVERPETSC "petsc" 173 #define MATSOLVERBAS "bas" 174 #define MATSOLVERCUSPARSE "cusparse" 175 #define MATSOLVERCUDA "cuda" 176 #define MATSOLVERHIPSPARSE "hipsparse" 177 #define MATSOLVERHIP "hip" 178 #define MATSOLVERKOKKOS "kokkos" 179 #define MATSOLVERSPQR "spqr" 180 181 /*E 182 MatFactorType - indicates what type of factorization is requested 183 184 Values: 185 + `MAT_FACTOR_LU` - LU factorization 186 . `MAT_FACTOR_CHOLESKY` - Cholesky factorization 187 . `MAT_FACTOR_ILU` - ILU factorization 188 . `MAT_FACTOR_ICC` - incomplete Cholesky factorization 189 . `MAT_FACTOR_ILUDT` - ILU factorization with drop tolerance 190 - `MAT_FACTOR_QR` - QR factorization 191 192 Level: beginner 193 194 .seealso: [](ch_matrices), `MatSolverType`, `MatGetFactor()`, `MatGetFactorAvailable()`, `MatSolverTypeRegister()` 195 E*/ 196 typedef enum { 197 MAT_FACTOR_NONE, 198 MAT_FACTOR_LU, 199 MAT_FACTOR_CHOLESKY, 200 MAT_FACTOR_ILU, 201 MAT_FACTOR_ICC, 202 MAT_FACTOR_ILUDT, 203 MAT_FACTOR_QR, 204 MAT_FACTOR_NUM_TYPES 205 } MatFactorType; 206 PETSC_EXTERN const char *const MatFactorTypes[]; 207 208 PETSC_EXTERN PetscErrorCode MatGetFactor(Mat, MatSolverType, MatFactorType, Mat *); 209 PETSC_EXTERN PetscErrorCode MatGetFactorAvailable(Mat, MatSolverType, MatFactorType, PetscBool *); 210 PETSC_EXTERN PetscErrorCode MatFactorGetCanUseOrdering(Mat, PetscBool *); 211 PETSC_DEPRECATED_FUNCTION(3, 15, 0, "MatFactorGetCanUseOrdering()", ) static inline PetscErrorCode MatFactorGetUseOrdering(Mat A, PetscBool *b) 212 { 213 return MatFactorGetCanUseOrdering(A, b); 214 } 215 PETSC_EXTERN PetscErrorCode MatFactorGetSolverType(Mat, MatSolverType *); 216 PETSC_EXTERN PetscErrorCode MatGetFactorType(Mat, MatFactorType *); 217 PETSC_EXTERN PetscErrorCode MatSetFactorType(Mat, MatFactorType); 218 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode(MatSolverFn)(Mat, MatFactorType, Mat *); 219 PETSC_EXTERN_TYPEDEF typedef MatSolverFn *MatSolverFunction; 220 221 PETSC_EXTERN PetscErrorCode MatSolverTypeRegister(MatSolverType, MatType, MatFactorType, MatSolverFn *); 222 PETSC_EXTERN PetscErrorCode MatSolverTypeGet(MatSolverType, MatType, MatFactorType, PetscBool *, PetscBool *, MatSolverFn **); 223 typedef MatSolverType MatSolverPackage PETSC_DEPRECATED_TYPEDEF(3, 9, 0, "MatSolverType", ); 224 PETSC_DEPRECATED_FUNCTION(3, 9, 0, "MatSolverTypeRegister()", ) static inline PetscErrorCode MatSolverPackageRegister(MatSolverType stype, MatType mtype, MatFactorType ftype, MatSolverFn *f) 225 { 226 return MatSolverTypeRegister(stype, mtype, ftype, f); 227 } 228 PETSC_DEPRECATED_FUNCTION(3, 9, 0, "MatSolverTypeGet()", ) static inline PetscErrorCode MatSolverPackageGet(MatSolverType stype, MatType mtype, MatFactorType ftype, PetscBool *foundmtype, PetscBool *foundstype, MatSolverFn **f) 229 { 230 return MatSolverTypeGet(stype, mtype, ftype, foundmtype, foundstype, f); 231 } 232 233 /*E 234 MatProductType - indicates what type of matrix product to compute 235 236 Values: 237 + `MATPRODUCT_AB` - product of two matrices 238 . `MATPRODUCT_AtB` - product of the transpose of a given matrix with a matrix 239 . `MATPRODUCT_ABt` - product of a matrix with the transpose of another given matrix 240 . `MATPRODUCT_PtAP` - the triple product of the transpose of a matrix with another matrix and itself 241 . `MATPRODUCT_RARt` - the triple product of a matrix, another matrix and the transpose of the first matrix 242 - `MATPRODUCT_ABC` - the product of three matrices 243 244 Level: beginner 245 246 .seealso: [](sec_matmatproduct), [](ch_matrices), `MatProductSetType()` 247 E*/ 248 typedef enum { 249 MATPRODUCT_UNSPECIFIED = 0, 250 MATPRODUCT_AB, 251 MATPRODUCT_AtB, 252 MATPRODUCT_ABt, 253 MATPRODUCT_PtAP, 254 MATPRODUCT_RARt, 255 MATPRODUCT_ABC 256 } MatProductType; 257 PETSC_EXTERN const char *const MatProductTypes[]; 258 259 /*J 260 MatProductAlgorithm - String with the name of an algorithm for a PETSc matrix product implementation 261 262 Level: beginner 263 264 .seealso: [](sec_matmatproduct), [](ch_matrices), `MatSetType()`, `Mat`, `MatProductSetAlgorithm()`, `MatProductType` 265 J*/ 266 typedef const char *MatProductAlgorithm; 267 #define MATPRODUCTALGORITHMDEFAULT "default" 268 #define MATPRODUCTALGORITHMSORTED "sorted" 269 #define MATPRODUCTALGORITHMSCALABLE "scalable" 270 #define MATPRODUCTALGORITHMSCALABLEFAST "scalable_fast" 271 #define MATPRODUCTALGORITHMHEAP "heap" 272 #define MATPRODUCTALGORITHMBHEAP "btheap" 273 #define MATPRODUCTALGORITHMLLCONDENSED "llcondensed" 274 #define MATPRODUCTALGORITHMROWMERGE "rowmerge" 275 #define MATPRODUCTALGORITHMOUTERPRODUCT "outerproduct" 276 #define MATPRODUCTALGORITHMATB "at*b" 277 #define MATPRODUCTALGORITHMRAP "rap" 278 #define MATPRODUCTALGORITHMNONSCALABLE "nonscalable" 279 #define MATPRODUCTALGORITHMSEQMPI "seqmpi" 280 #define MATPRODUCTALGORITHMBACKEND "backend" 281 #define MATPRODUCTALGORITHMOVERLAPPING "overlapping" 282 #define MATPRODUCTALGORITHMMERGED "merged" 283 #define MATPRODUCTALGORITHMALLATONCE "allatonce" 284 #define MATPRODUCTALGORITHMALLATONCEMERGED "allatonce_merged" 285 #define MATPRODUCTALGORITHMALLGATHERV "allgatherv" 286 #define MATPRODUCTALGORITHMCYCLIC "cyclic" 287 #if defined(PETSC_HAVE_HYPRE) 288 #define MATPRODUCTALGORITHMHYPRE "hypre" 289 #endif 290 291 PETSC_EXTERN PetscErrorCode MatProductCreate(Mat, Mat, Mat, Mat *); 292 PETSC_EXTERN PetscErrorCode MatProductCreateWithMat(Mat, Mat, Mat, Mat); 293 PETSC_EXTERN PetscErrorCode MatProductSetType(Mat, MatProductType); 294 PETSC_EXTERN PetscErrorCode MatProductSetAlgorithm(Mat, MatProductAlgorithm); 295 PETSC_EXTERN PetscErrorCode MatProductGetAlgorithm(Mat, MatProductAlgorithm *); 296 PETSC_EXTERN PetscErrorCode MatProductSetFill(Mat, PetscReal); 297 PETSC_EXTERN PetscErrorCode MatProductSetFromOptions(Mat); 298 PETSC_EXTERN PetscErrorCode MatProductSymbolic(Mat); 299 PETSC_EXTERN PetscErrorCode MatProductNumeric(Mat); 300 PETSC_EXTERN PetscErrorCode MatProductReplaceMats(Mat, Mat, Mat, Mat); 301 PETSC_EXTERN PetscErrorCode MatProductClear(Mat); 302 PETSC_EXTERN PetscErrorCode MatProductView(Mat, PetscViewer); 303 PETSC_EXTERN PetscErrorCode MatProductGetType(Mat, MatProductType *); 304 PETSC_EXTERN PetscErrorCode MatProductGetMats(Mat, Mat *, Mat *, Mat *); 305 306 /* Logging support */ 307 #define MAT_FILE_CLASSID 1211216 /* used to indicate matrices in binary files */ 308 PETSC_EXTERN PetscClassId MAT_CLASSID; 309 PETSC_EXTERN PetscClassId MAT_COLORING_CLASSID; 310 PETSC_EXTERN PetscClassId MAT_FDCOLORING_CLASSID; 311 PETSC_EXTERN PetscClassId MAT_TRANSPOSECOLORING_CLASSID; 312 PETSC_EXTERN PetscClassId MAT_PARTITIONING_CLASSID; 313 PETSC_EXTERN PetscClassId MAT_COARSEN_CLASSID; 314 PETSC_EXTERN PetscClassId MAT_NULLSPACE_CLASSID; 315 PETSC_EXTERN PetscClassId MATMFFD_CLASSID; 316 317 /*E 318 MatReuse - Indicates if matrices obtained from a previous call to `MatCreateSubMatrices()`, `MatCreateSubMatrix()`, `MatConvert()` or several other functions 319 are to be reused to store the new matrix values. 320 321 Values: 322 + `MAT_INITIAL_MATRIX` - create a new matrix 323 . `MAT_REUSE_MATRIX` - reuse the matrix created with a previous call that used `MAT_INITIAL_MATRIX` 324 . `MAT_INPLACE_MATRIX` - replace the first input matrix with the new matrix (not applicable to all functions) 325 - `MAT_IGNORE_MATRIX` - do not create a new matrix or reuse a give matrix, just ignore that matrix argument (not applicable to all functions) 326 327 Level: beginner 328 329 .seealso: [](ch_matrices), `Mat`, `MatCreateSubMatrices()`, `MatCreateSubMatrix()`, `MatDestroyMatrices()`, `MatConvert()` 330 E*/ 331 typedef enum { 332 MAT_INITIAL_MATRIX, 333 MAT_REUSE_MATRIX, 334 MAT_IGNORE_MATRIX, 335 MAT_INPLACE_MATRIX 336 } MatReuse; 337 338 /*E 339 MatCreateSubMatrixOption - Indicates if matrices obtained from a call to `MatCreateSubMatrices()` 340 include the matrix values. Currently it is only used by `MatGetSeqNonzeroStructure()`. 341 342 Values: 343 + `MAT_DO_NOT_GET_VALUES` - do not copy the matrix values 344 - `MAT_GET_VALUES` - copy the matrix values 345 346 Level: developer 347 348 Developer Note: 349 Why is not just a boolean used for this information? 350 351 .seealso: [](ch_matrices), `Mat`, `MatDuplicateOption`, `PetscCopyMode`, `MatGetSeqNonzeroStructure()` 352 E*/ 353 typedef enum { 354 MAT_DO_NOT_GET_VALUES, 355 MAT_GET_VALUES 356 } MatCreateSubMatrixOption; 357 358 PETSC_EXTERN PetscErrorCode MatInitializePackage(void); 359 PETSC_EXTERN PetscErrorCode MatFinalizePackage(void); 360 361 PETSC_EXTERN PetscErrorCode MatCreate(MPI_Comm, Mat *); 362 PETSC_EXTERN PetscErrorCode MatCreateFromOptions(MPI_Comm, const char *, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, Mat *); 363 PETSC_EXTERN PetscErrorCode MatSetSizes(Mat, PetscInt, PetscInt, PetscInt, PetscInt); 364 PETSC_EXTERN PetscErrorCode MatSetType(Mat, MatType); 365 PETSC_EXTERN PetscErrorCode MatGetVecType(Mat, VecType *); 366 PETSC_EXTERN PetscErrorCode MatSetVecType(Mat, VecType); 367 PETSC_EXTERN PetscErrorCode MatSetFromOptions(Mat); 368 PETSC_EXTERN PetscErrorCode MatViewFromOptions(Mat, PetscObject, const char[]); 369 PETSC_EXTERN PetscErrorCode MatRegister(const char[], PetscErrorCode (*)(Mat)); 370 PETSC_EXTERN PetscErrorCode MatRegisterRootName(const char[], const char[], const char[]); 371 PETSC_EXTERN PetscErrorCode MatSetOptionsPrefix(Mat, const char[]); 372 PETSC_EXTERN PetscErrorCode MatSetOptionsPrefixFactor(Mat, const char[]); 373 PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefixFactor(Mat, const char[]); 374 PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefix(Mat, const char[]); 375 PETSC_EXTERN PetscErrorCode MatGetOptionsPrefix(Mat, const char *[]); 376 PETSC_EXTERN PetscErrorCode MatSetErrorIfFailure(Mat, PetscBool); 377 378 PETSC_EXTERN PetscFunctionList MatList; 379 PETSC_EXTERN PetscFunctionList MatColoringList; 380 PETSC_EXTERN PetscFunctionList MatPartitioningList; 381 382 /*E 383 MatStructure - Indicates if two matrices have the same nonzero structure 384 385 Values: 386 + `SAME_NONZERO_PATTERN` - the two matrices have identical nonzero patterns 387 . `DIFFERENT_NONZERO_PATTERN` - the two matrices may have different nonzero patterns 388 . `SUBSET_NONZERO_PATTERN` - the nonzero pattern of the second matrix is a subset of the nonzero pattern of the first matrix 389 - `UNKNOWN_NONZERO_PATTERN` - there is no known relationship between the nonzero patterns. In this case the implementations 390 may try to detect a relationship to optimize the operation 391 392 Level: beginner 393 394 Note: 395 Certain matrix operations (such as `MatAXPY()`) can run much faster if the sparsity pattern of the matrices are the same. But actually determining if 396 the patterns are the same may be costly. This provides a way for users who know something about the sparsity patterns to provide this information 397 to certain PETSc routines. 398 399 .seealso: [](ch_matrices), `Mat`, `MatCopy()`, `MatAXPY()`, `MatAYPX()` 400 E*/ 401 typedef enum { 402 DIFFERENT_NONZERO_PATTERN, 403 SUBSET_NONZERO_PATTERN, 404 SAME_NONZERO_PATTERN, 405 UNKNOWN_NONZERO_PATTERN 406 } MatStructure; 407 PETSC_EXTERN const char *const MatStructures[]; 408 409 #if defined PETSC_HAVE_MKL_SPARSE 410 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJMKL(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 411 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJMKL(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 412 PETSC_EXTERN PetscErrorCode MatCreateBAIJMKL(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 413 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJMKL(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 414 #endif 415 416 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJPERM(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 417 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJPERM(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 418 419 PETSC_EXTERN PetscErrorCode MatCreateSeqSELL(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 420 PETSC_EXTERN PetscErrorCode MatCreateSELL(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 421 PETSC_EXTERN PetscErrorCode MatSeqSELLSetPreallocation(Mat, PetscInt, const PetscInt[]); 422 PETSC_EXTERN PetscErrorCode MatMPISELLSetPreallocation(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[]); 423 PETSC_EXTERN PetscErrorCode MatSeqSELLGetFillRatio(Mat, PetscReal *); 424 PETSC_EXTERN PetscErrorCode MatSeqSELLGetMaxSliceWidth(Mat, PetscInt *); 425 PETSC_EXTERN PetscErrorCode MatSeqSELLGetAvgSliceWidth(Mat, PetscReal *); 426 PETSC_EXTERN PetscErrorCode MatSeqSELLSetSliceHeight(Mat, PetscInt); 427 PETSC_EXTERN PetscErrorCode MatSeqSELLGetVarSliceSize(Mat, PetscReal *); 428 429 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJSELL(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 430 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSELL(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 431 PETSC_EXTERN PetscErrorCode MatMPISELLGetLocalMatCondensed(Mat, MatReuse, IS *, IS *, Mat *); 432 PETSC_EXTERN PetscErrorCode MatMPISELLGetSeqSELL(Mat, Mat *, Mat *, const PetscInt *[]); 433 434 PETSC_EXTERN PetscErrorCode MatCreateSeqDense(MPI_Comm, PetscInt, PetscInt, PetscScalar[], Mat *); 435 PETSC_EXTERN PetscErrorCode MatCreateDense(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar[], Mat *); 436 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJ(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 437 PETSC_EXTERN PetscErrorCode MatCreateAIJ(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 438 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithArrays(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[], Mat *); 439 PETSC_EXTERN PetscErrorCode MatUpdateMPIAIJWithArrays(Mat, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[]); 440 PETSC_EXTERN PetscErrorCode MatUpdateMPIAIJWithArray(Mat, const PetscScalar[]); 441 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSplitArrays(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt[], PetscInt[], PetscScalar[], PetscInt[], PetscInt[], PetscScalar[], Mat *); 442 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSeqAIJ(MPI_Comm, Mat, Mat, const PetscInt[], Mat *); 443 444 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJ(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 445 PETSC_EXTERN PetscErrorCode MatCreateBAIJ(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 446 PETSC_EXTERN PetscErrorCode MatCreateMPIBAIJWithArrays(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[], Mat *); 447 448 PETSC_EXTERN PetscErrorCode MatSetPreallocationCOO(Mat, PetscCount, PetscInt[], PetscInt[]); 449 PETSC_EXTERN PetscErrorCode MatSetPreallocationCOOLocal(Mat, PetscCount, PetscInt[], PetscInt[]); 450 PETSC_EXTERN PetscErrorCode MatSetValuesCOO(Mat, const PetscScalar[], InsertMode); 451 452 PETSC_EXTERN PetscErrorCode MatCreateMPIAdj(MPI_Comm, PetscInt, PetscInt, PetscInt[], PetscInt[], PetscInt[], Mat *); 453 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJ(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 454 455 PETSC_EXTERN PetscErrorCode MatCreateSBAIJ(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 456 PETSC_EXTERN PetscErrorCode MatCreateMPISBAIJWithArrays(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[], Mat *); 457 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocationCSR(Mat, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[]); 458 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocationCSR(Mat, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[]); 459 PETSC_EXTERN PetscErrorCode MatXAIJSetPreallocation(Mat, PetscInt, const PetscInt[], const PetscInt[], const PetscInt[], const PetscInt[]); 460 461 PETSC_EXTERN PetscErrorCode MatCreateShell(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, void *, Mat *); 462 PETSC_EXTERN PetscErrorCode MatCreateCentering(MPI_Comm, PetscInt, PetscInt, Mat *); 463 PETSC_EXTERN PetscErrorCode MatCreateNormal(Mat, Mat *); 464 PETSC_EXTERN PetscErrorCode MatCreateNormalHermitian(Mat, Mat *); 465 PETSC_EXTERN PetscErrorCode MatCreateLRC(Mat, Mat, Vec, Mat, Mat *); 466 PETSC_EXTERN PetscErrorCode MatLRCGetMats(Mat, Mat *, Mat *, Vec *, Mat *); 467 PETSC_EXTERN PetscErrorCode MatLRCSetMats(Mat, Mat, Mat, Vec, Mat); 468 PETSC_EXTERN PetscErrorCode MatCreateIS(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, ISLocalToGlobalMapping, ISLocalToGlobalMapping, Mat *); 469 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCRL(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 470 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJCRL(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 471 472 PETSC_EXTERN PetscErrorCode MatCreateScatter(MPI_Comm, VecScatter, Mat *); 473 PETSC_EXTERN PetscErrorCode MatScatterSetVecScatter(Mat, VecScatter); 474 PETSC_EXTERN PetscErrorCode MatScatterGetVecScatter(Mat, VecScatter *); 475 PETSC_EXTERN PetscErrorCode MatCreateBlockMat(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt *, Mat *); 476 PETSC_EXTERN PetscErrorCode MatCompositeAddMat(Mat, Mat); 477 PETSC_EXTERN PetscErrorCode MatCompositeMerge(Mat); 478 typedef enum { 479 MAT_COMPOSITE_MERGE_RIGHT, 480 MAT_COMPOSITE_MERGE_LEFT 481 } MatCompositeMergeType; 482 PETSC_EXTERN PetscErrorCode MatCompositeSetMergeType(Mat, MatCompositeMergeType); 483 PETSC_EXTERN PetscErrorCode MatCreateComposite(MPI_Comm, PetscInt, const Mat *, Mat *); 484 /*E 485 MatCompositeType - indicates what type of `MATCOMPOSITE` is used 486 487 Values: 488 + `MAT_COMPOSITE_ADDITIVE` - sum of matrices (default) 489 - `MAT_COMPOSITE_MULTIPLICATIVE` - product of matrices 490 491 Level: beginner 492 493 .seealso: [](ch_matrices), `MATCOMPOSITE`, `MatCompositeSetType()`, `MatCompositeGetType()` 494 E*/ 495 typedef enum { 496 MAT_COMPOSITE_ADDITIVE, 497 MAT_COMPOSITE_MULTIPLICATIVE 498 } MatCompositeType; 499 PETSC_EXTERN PetscErrorCode MatCompositeSetType(Mat, MatCompositeType); 500 PETSC_EXTERN PetscErrorCode MatCompositeGetType(Mat, MatCompositeType *); 501 PETSC_EXTERN PetscErrorCode MatCompositeSetMatStructure(Mat, MatStructure); 502 PETSC_EXTERN PetscErrorCode MatCompositeGetMatStructure(Mat, MatStructure *); 503 PETSC_EXTERN PetscErrorCode MatCompositeGetNumberMat(Mat, PetscInt *); 504 PETSC_EXTERN PetscErrorCode MatCompositeGetMat(Mat, PetscInt, Mat *); 505 PETSC_EXTERN PetscErrorCode MatCompositeSetScalings(Mat, const PetscScalar *); 506 507 PETSC_EXTERN PetscErrorCode MatCreateFFT(MPI_Comm, PetscInt, const PetscInt[], MatType, Mat *); 508 PETSC_EXTERN PetscErrorCode MatCreateSeqCUFFT(MPI_Comm, PetscInt, const PetscInt[], Mat *); 509 510 PETSC_EXTERN PetscErrorCode MatCreateTranspose(Mat, Mat *); 511 PETSC_EXTERN PetscErrorCode MatTransposeGetMat(Mat, Mat *); 512 PETSC_EXTERN PetscErrorCode MatCreateHermitianTranspose(Mat, Mat *); 513 PETSC_EXTERN PetscErrorCode MatHermitianTransposeGetMat(Mat, Mat *); 514 PETSC_EXTERN PetscErrorCode MatNormalGetMat(Mat, Mat *); 515 PETSC_EXTERN PetscErrorCode MatNormalHermitianGetMat(Mat, Mat *); 516 PETSC_EXTERN PetscErrorCode MatCreateSubMatrixVirtual(Mat, IS, IS, Mat *); 517 PETSC_EXTERN PetscErrorCode MatSubMatrixVirtualUpdate(Mat, Mat, IS, IS); 518 PETSC_EXTERN PetscErrorCode MatCreateLocalRef(Mat, IS, IS, Mat *); 519 PETSC_EXTERN PetscErrorCode MatCreateConstantDiagonal(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar, Mat *); 520 PETSC_EXTERN PetscErrorCode MatCreateDiagonal(Vec, Mat *); 521 PETSC_EXTERN PetscErrorCode MatDiagonalGetDiagonal(Mat, Vec *); 522 PETSC_EXTERN PetscErrorCode MatDiagonalRestoreDiagonal(Mat, Vec *); 523 PETSC_EXTERN PetscErrorCode MatDiagonalGetInverseDiagonal(Mat, Vec *); 524 PETSC_EXTERN PetscErrorCode MatDiagonalRestoreInverseDiagonal(Mat, Vec *); 525 526 #if defined(PETSC_HAVE_HYPRE) 527 PETSC_EXTERN PetscErrorCode MatHYPRESetPreallocation(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[]); 528 #endif 529 530 PETSC_EXTERN PetscErrorCode MatPythonSetType(Mat, const char[]); 531 PETSC_EXTERN PetscErrorCode MatPythonGetType(Mat, const char *[]); 532 533 PETSC_EXTERN PetscErrorCode MatResetPreallocation(Mat); 534 PETSC_EXTERN PetscErrorCode MatSetUp(Mat); 535 PETSC_EXTERN PetscErrorCode MatDestroy(Mat *); 536 PETSC_EXTERN PetscErrorCode MatGetNonzeroState(Mat, PetscObjectState *); 537 538 PETSC_EXTERN PetscErrorCode MatConjugate(Mat); 539 PETSC_EXTERN PetscErrorCode MatRealPart(Mat); 540 PETSC_EXTERN PetscErrorCode MatImaginaryPart(Mat); 541 PETSC_EXTERN PetscErrorCode MatGetDiagonalBlock(Mat, Mat *); 542 PETSC_EXTERN PetscErrorCode MatGetTrace(Mat, PetscScalar *); 543 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonal(Mat, const PetscScalar **); 544 PETSC_EXTERN PetscErrorCode MatInvertVariableBlockDiagonal(Mat, PetscInt, const PetscInt *, PetscScalar *); 545 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonalMat(Mat, Mat); 546 PETSC_EXTERN PetscErrorCode MatInvertVariableBlockEnvelope(Mat, MatReuse, Mat *); 547 PETSC_EXTERN PetscErrorCode MatComputeVariableBlockEnvelope(Mat); 548 549 PETSC_EXTERN PetscErrorCode MatSetValues(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], const PetscScalar[], InsertMode); 550 PETSC_EXTERN PetscErrorCode MatSetValuesIS(Mat, IS, IS, const PetscScalar[], InsertMode); 551 PETSC_EXTERN PetscErrorCode MatSetValuesBlocked(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], const PetscScalar[], InsertMode); 552 PETSC_EXTERN PetscErrorCode MatSetValuesRow(Mat, PetscInt, const PetscScalar[]); 553 PETSC_EXTERN PetscErrorCode MatSetValuesRowLocal(Mat, PetscInt, const PetscScalar[]); 554 PETSC_EXTERN PetscErrorCode MatSetValuesBatch(Mat, PetscInt, PetscInt, PetscInt[], const PetscScalar[]); 555 PETSC_EXTERN PetscErrorCode MatSetRandom(Mat, PetscRandom); 556 557 /*S 558 MatStencil - Data structure (C struct) for storing information about rows and 559 columns of a matrix as indexed on an associated grid. These are arguments to `MatSetStencil()` and `MatSetBlockStencil()` 560 561 Level: beginner 562 563 Notes: 564 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). 565 The c represents the degrees of freedom at each grid point (the dof argument to `DMDASetDOF()`). If dof is 1 then this entry is ignored. 566 567 For stencil access to vectors see `DMDAVecGetArray()`, `DMDAVecGetArrayF90()`. 568 569 For staggered grids, see `DMStagStencil` 570 571 Fortran Note: 572 See `MatSetValuesStencil()` for details. 573 574 .seealso: [](ch_matrices), `Mat`, `MatSetValuesStencil()`, `MatSetStencil()`, `MatSetValuesBlockedStencil()`, `DMDAVecGetArray()`, `DMDAVecGetArrayF90()`, 575 `DMStagStencil` 576 S*/ 577 typedef struct { 578 PetscInt k, j, i, c; 579 } MatStencil; 580 581 PETSC_EXTERN PetscErrorCode MatSetValuesStencil(Mat, PetscInt, const MatStencil[], PetscInt, const MatStencil[], const PetscScalar[], InsertMode); 582 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedStencil(Mat, PetscInt, const MatStencil[], PetscInt, const MatStencil[], const PetscScalar[], InsertMode); 583 PETSC_EXTERN PetscErrorCode MatSetStencil(Mat, PetscInt, const PetscInt[], const PetscInt[], PetscInt); 584 585 /*E 586 MatAssemblyType - Indicates if the process of setting values into the matrix is complete, and the matrix is ready for use 587 588 Values: 589 + `MAT_FLUSH_ASSEMBLY` - you will continue to put values into the matrix 590 - `MAT_FINAL_ASSEMBLY` - you wish to use the matrix with the values currently inserted 591 592 Level: beginner 593 594 .seealso: [](ch_matrices), `Mat`, `MatSetValues`, `MatAssemblyBegin()`, `MatAssemblyEnd()` 595 E*/ 596 typedef enum { 597 MAT_FLUSH_ASSEMBLY = 1, 598 MAT_FINAL_ASSEMBLY = 0 599 } MatAssemblyType; 600 601 PETSC_EXTERN PetscErrorCode MatAssemblyBegin(Mat, MatAssemblyType); 602 PETSC_EXTERN PetscErrorCode MatAssemblyEnd(Mat, MatAssemblyType); 603 PETSC_EXTERN PetscErrorCode MatAssembled(Mat, PetscBool *); 604 605 /*E 606 MatOption - Options that may be set for a matrix that indicate properties of the matrix or affect its behavior or storage 607 608 Level: beginner 609 610 Note: 611 See `MatSetOption()` for the use of the options 612 613 Developer Note: 614 Entries that are negative need not be called collectively by all processes. 615 616 .seealso: [](ch_matrices), `Mat`, `MatSetOption()` 617 E*/ 618 typedef enum { 619 MAT_OPTION_MIN = -3, 620 MAT_UNUSED_NONZERO_LOCATION_ERR = -2, 621 MAT_ROW_ORIENTED = -1, 622 MAT_SYMMETRIC = 1, 623 MAT_STRUCTURALLY_SYMMETRIC = 2, 624 MAT_FORCE_DIAGONAL_ENTRIES = 3, 625 MAT_IGNORE_OFF_PROC_ENTRIES = 4, 626 MAT_USE_HASH_TABLE = 5, 627 MAT_KEEP_NONZERO_PATTERN = 6, 628 MAT_IGNORE_ZERO_ENTRIES = 7, 629 MAT_USE_INODES = 8, 630 MAT_HERMITIAN = 9, 631 MAT_SYMMETRY_ETERNAL = 10, 632 MAT_NEW_NONZERO_LOCATION_ERR = 11, 633 MAT_IGNORE_LOWER_TRIANGULAR = 12, 634 MAT_ERROR_LOWER_TRIANGULAR = 13, 635 MAT_GETROW_UPPERTRIANGULAR = 14, 636 MAT_SPD = 15, 637 MAT_NO_OFF_PROC_ZERO_ROWS = 16, 638 MAT_NO_OFF_PROC_ENTRIES = 17, 639 MAT_NEW_NONZERO_LOCATIONS = 18, 640 MAT_NEW_NONZERO_ALLOCATION_ERR = 19, 641 MAT_SUBSET_OFF_PROC_ENTRIES = 20, 642 MAT_SUBMAT_SINGLEIS = 21, 643 MAT_STRUCTURE_ONLY = 22, 644 MAT_SORTED_FULL = 23, 645 MAT_FORM_EXPLICIT_TRANSPOSE = 24, 646 MAT_STRUCTURAL_SYMMETRY_ETERNAL = 25, 647 MAT_SPD_ETERNAL = 26, 648 MAT_OPTION_MAX = 27 649 } MatOption; 650 651 PETSC_EXTERN const char *const *MatOptions; 652 PETSC_EXTERN PetscErrorCode MatSetOption(Mat, MatOption, PetscBool); 653 PETSC_EXTERN PetscErrorCode MatGetOption(Mat, MatOption, PetscBool *); 654 PETSC_EXTERN PetscErrorCode MatPropagateSymmetryOptions(Mat, Mat); 655 PETSC_EXTERN PetscErrorCode MatGetType(Mat, MatType *); 656 657 PETSC_EXTERN PetscErrorCode MatGetValues(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], PetscScalar[]); 658 PETSC_EXTERN PetscErrorCode MatGetRow(Mat, PetscInt, PetscInt *, const PetscInt *[], const PetscScalar *[]); 659 PETSC_EXTERN PetscErrorCode MatRestoreRow(Mat, PetscInt, PetscInt *, const PetscInt *[], const PetscScalar *[]); 660 PETSC_EXTERN PetscErrorCode MatGetRowUpperTriangular(Mat); 661 PETSC_EXTERN PetscErrorCode MatRestoreRowUpperTriangular(Mat); 662 PETSC_EXTERN PetscErrorCode MatGetColumnVector(Mat, Vec, PetscInt); 663 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArray(Mat, PetscScalar *[]); 664 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArrayRead(Mat, const PetscScalar *[]); 665 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArrayWrite(Mat, PetscScalar *[]); 666 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArray(Mat, PetscScalar *[]); 667 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArrayRead(Mat, const PetscScalar *[]); 668 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArrayWrite(Mat, PetscScalar *[]); 669 PETSC_EXTERN PetscErrorCode MatSeqAIJGetMaxRowNonzeros(Mat, PetscInt *); 670 PETSC_EXTERN PetscErrorCode MatSeqAIJSetValuesLocalFast(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], const PetscScalar[], InsertMode); 671 PETSC_EXTERN PetscErrorCode MatSeqAIJSetType(Mat, MatType); 672 PETSC_EXTERN PetscErrorCode MatSeqAIJKron(Mat, Mat, MatReuse, Mat *); 673 PETSC_EXTERN PetscErrorCode MatSeqAIJRegister(const char[], PetscErrorCode (*)(Mat, MatType, MatReuse, Mat *)); 674 PETSC_EXTERN PetscFunctionList MatSeqAIJList; 675 PETSC_EXTERN PetscErrorCode MatSeqBAIJGetArray(Mat, PetscScalar *[]); 676 PETSC_EXTERN PetscErrorCode MatSeqBAIJRestoreArray(Mat, PetscScalar *[]); 677 PETSC_EXTERN PetscErrorCode MatSeqSBAIJGetArray(Mat, PetscScalar *[]); 678 PETSC_EXTERN PetscErrorCode MatSeqSBAIJRestoreArray(Mat, PetscScalar *[]); 679 PETSC_EXTERN PetscErrorCode MatDenseGetArray(Mat, PetscScalar *[]); 680 PETSC_EXTERN PetscErrorCode MatDenseRestoreArray(Mat, PetscScalar *[]); 681 PETSC_EXTERN PetscErrorCode MatDensePlaceArray(Mat, const PetscScalar[]); 682 PETSC_EXTERN PetscErrorCode MatDenseReplaceArray(Mat, const PetscScalar[]); 683 PETSC_EXTERN PetscErrorCode MatDenseResetArray(Mat); 684 PETSC_EXTERN PetscErrorCode MatDenseGetArrayRead(Mat, const PetscScalar *[]); 685 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayRead(Mat, const PetscScalar *[]); 686 PETSC_EXTERN PetscErrorCode MatDenseGetArrayWrite(Mat, PetscScalar *[]); 687 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayWrite(Mat, PetscScalar *[]); 688 PETSC_EXTERN PetscErrorCode MatDenseGetArrayAndMemType(Mat, PetscScalar *[], PetscMemType *); 689 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayAndMemType(Mat, PetscScalar *[]); 690 PETSC_EXTERN PetscErrorCode MatDenseGetArrayReadAndMemType(Mat, const PetscScalar *[], PetscMemType *); 691 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayReadAndMemType(Mat, const PetscScalar *[]); 692 PETSC_EXTERN PetscErrorCode MatDenseGetArrayWriteAndMemType(Mat, PetscScalar *[], PetscMemType *); 693 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayWriteAndMemType(Mat, PetscScalar *[]); 694 PETSC_EXTERN PetscErrorCode MatGetBlockSize(Mat, PetscInt *); 695 PETSC_EXTERN PetscErrorCode MatSetBlockSize(Mat, PetscInt); 696 PETSC_EXTERN PetscErrorCode MatGetBlockSizes(Mat, PetscInt *, PetscInt *); 697 PETSC_EXTERN PetscErrorCode MatSetBlockSizes(Mat, PetscInt, PetscInt); 698 PETSC_EXTERN PetscErrorCode MatSetBlockSizesFromMats(Mat, Mat, Mat); 699 PETSC_EXTERN PetscErrorCode MatSetVariableBlockSizes(Mat, PetscInt, PetscInt *); 700 PETSC_EXTERN PetscErrorCode MatGetVariableBlockSizes(Mat, PetscInt *, const PetscInt **); 701 702 PETSC_EXTERN PetscErrorCode MatDenseGetColumn(Mat, PetscInt, PetscScalar *[]); 703 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumn(Mat, PetscScalar *[]); 704 PETSC_EXTERN PetscErrorCode MatDenseGetColumnVec(Mat, PetscInt, Vec *); 705 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumnVec(Mat, PetscInt, Vec *); 706 PETSC_EXTERN PetscErrorCode MatDenseGetColumnVecRead(Mat, PetscInt, Vec *); 707 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumnVecRead(Mat, PetscInt, Vec *); 708 PETSC_EXTERN PetscErrorCode MatDenseGetColumnVecWrite(Mat, PetscInt, Vec *); 709 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumnVecWrite(Mat, PetscInt, Vec *); 710 PETSC_EXTERN PetscErrorCode MatDenseGetSubMatrix(Mat, PetscInt, PetscInt, PetscInt, PetscInt, Mat *); 711 PETSC_EXTERN PetscErrorCode MatDenseRestoreSubMatrix(Mat, Mat *); 712 713 PETSC_EXTERN PetscErrorCode MatMult(Mat, Vec, Vec); 714 PETSC_EXTERN PetscErrorCode MatMultDiagonalBlock(Mat, Vec, Vec); 715 PETSC_EXTERN PetscErrorCode MatMultAdd(Mat, Vec, Vec, Vec); 716 PETSC_EXTERN PetscErrorCode MatMultTranspose(Mat, Vec, Vec); 717 PETSC_EXTERN PetscErrorCode MatMultHermitianTranspose(Mat, Vec, Vec); 718 PETSC_EXTERN PetscErrorCode MatIsTranspose(Mat, Mat, PetscReal, PetscBool *); 719 PETSC_EXTERN PetscErrorCode MatIsHermitianTranspose(Mat, Mat, PetscReal, PetscBool *); 720 PETSC_EXTERN PetscErrorCode MatMultTransposeAdd(Mat, Vec, Vec, Vec); 721 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAdd(Mat, Vec, Vec, Vec); 722 PETSC_EXTERN PetscErrorCode MatMatSolve(Mat, Mat, Mat); 723 PETSC_EXTERN PetscErrorCode MatMatSolveTranspose(Mat, Mat, Mat); 724 PETSC_EXTERN PetscErrorCode MatMatTransposeSolve(Mat, Mat, Mat); 725 PETSC_EXTERN PetscErrorCode MatResidual(Mat, Vec, Vec, Vec); 726 727 /*E 728 MatDuplicateOption - Indicates if a duplicated sparse matrix should have 729 its numerical values copied over or just its nonzero structure. 730 731 Values: 732 + `MAT_DO_NOT_COPY_VALUES` - Create a matrix using the same nonzero pattern as the original matrix, 733 with zeros for the numerical values 734 . `MAT_COPY_VALUES` - Create a matrix with the same nonzero pattern as the original matrix 735 and with the same numerical values. 736 - `MAT_SHARE_NONZERO_PATTERN` - Create a matrix that shares the nonzero structure with the previous matrix 737 and does not copy it, using zeros for the numerical values. The parent and 738 child matrices will share their index (i and j) arrays, and you cannot 739 insert new nonzero entries into either matrix 740 741 Level: beginner 742 743 Note: 744 Many matrix types (including `MATSEQAIJ`) do not support the `MAT_SHARE_NONZERO_PATTERN` optimization; in 745 this case the behavior is as if `MAT_DO_NOT_COPY_VALUES` has been specified. 746 747 .seealso: [](ch_matrices), `Mat`, `MatDuplicate()` 748 E*/ 749 typedef enum { 750 MAT_DO_NOT_COPY_VALUES, 751 MAT_COPY_VALUES, 752 MAT_SHARE_NONZERO_PATTERN 753 } MatDuplicateOption; 754 755 PETSC_EXTERN PetscErrorCode MatConvert(Mat, MatType, MatReuse, Mat *); 756 PETSC_EXTERN PetscErrorCode MatDuplicate(Mat, MatDuplicateOption, Mat *); 757 758 PETSC_EXTERN PetscErrorCode MatCopy(Mat, Mat, MatStructure); 759 PETSC_EXTERN PetscErrorCode MatView(Mat, PetscViewer); 760 PETSC_EXTERN PetscErrorCode MatIsSymmetric(Mat, PetscReal, PetscBool *); 761 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetric(Mat, PetscBool *); 762 PETSC_EXTERN PetscErrorCode MatIsHermitian(Mat, PetscReal, PetscBool *); 763 PETSC_EXTERN PetscErrorCode MatIsSymmetricKnown(Mat, PetscBool *, PetscBool *); 764 PETSC_EXTERN PetscErrorCode MatIsHermitianKnown(Mat, PetscBool *, PetscBool *); 765 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetricKnown(Mat, PetscBool *, PetscBool *); 766 PETSC_EXTERN PetscErrorCode MatIsSPDKnown(Mat, PetscBool *, PetscBool *); 767 PETSC_EXTERN PetscErrorCode MatMissingDiagonal(Mat, PetscBool *, PetscInt *); 768 PETSC_EXTERN PetscErrorCode MatLoad(Mat, PetscViewer); 769 770 PETSC_EXTERN PetscErrorCode MatGetRowIJ(Mat, PetscInt, PetscBool, PetscBool, PetscInt *, const PetscInt *[], const PetscInt *[], PetscBool *); 771 PETSC_EXTERN PetscErrorCode MatRestoreRowIJ(Mat, PetscInt, PetscBool, PetscBool, PetscInt *, const PetscInt *[], const PetscInt *[], PetscBool *); 772 PETSC_EXTERN PetscErrorCode MatGetColumnIJ(Mat, PetscInt, PetscBool, PetscBool, PetscInt *, const PetscInt *[], const PetscInt *[], PetscBool *); 773 PETSC_EXTERN PetscErrorCode MatRestoreColumnIJ(Mat, PetscInt, PetscBool, PetscBool, PetscInt *, const PetscInt *[], const PetscInt *[], PetscBool *); 774 775 /*S 776 MatInfo - Context of matrix information, used with `MatGetInfo()` 777 778 Level: intermediate 779 780 Fortran Note: 781 Information is stored as a double-precision array of dimension `MAT_INFO_SIZE` 782 783 .seealso: [](ch_matrices), `Mat`, `MatGetInfo()`, `MatInfoType` 784 S*/ 785 typedef struct { 786 PetscLogDouble block_size; /* block size */ 787 PetscLogDouble nz_allocated, nz_used, nz_unneeded; /* number of nonzeros */ 788 PetscLogDouble memory; /* memory allocated */ 789 PetscLogDouble assemblies; /* number of matrix assemblies called */ 790 PetscLogDouble mallocs; /* number of mallocs during MatSetValues() */ 791 PetscLogDouble fill_ratio_given, fill_ratio_needed; /* fill ratio for LU/ILU */ 792 PetscLogDouble factor_mallocs; /* number of mallocs during factorization */ 793 } MatInfo; 794 795 /*E 796 MatInfoType - Indicates if you want information about the local part of the matrix, 797 the entire parallel matrix or the maximum over all the local parts. 798 799 Values: 800 + `MAT_LOCAL` - values for each MPI process part of the matrix 801 . `MAT_GLOBAL_MAX` - maximum of each value over all MPI processes 802 - `MAT_GLOBAL_SUM` - sum of each value over all MPI processes 803 804 Level: beginner 805 806 .seealso: [](ch_matrices), `MatGetInfo()`, `MatInfo` 807 E*/ 808 typedef enum { 809 MAT_LOCAL = 1, 810 MAT_GLOBAL_MAX = 2, 811 MAT_GLOBAL_SUM = 3 812 } MatInfoType; 813 PETSC_EXTERN PetscErrorCode MatGetInfo(Mat, MatInfoType, MatInfo *); 814 PETSC_EXTERN PetscErrorCode MatGetDiagonal(Mat, Vec); 815 PETSC_EXTERN PetscErrorCode MatGetRowMax(Mat, Vec, PetscInt[]); 816 PETSC_EXTERN PetscErrorCode MatGetRowMin(Mat, Vec, PetscInt[]); 817 PETSC_EXTERN PetscErrorCode MatGetRowMaxAbs(Mat, Vec, PetscInt[]); 818 PETSC_EXTERN PetscErrorCode MatGetRowSumAbs(Mat, Vec); 819 PETSC_EXTERN PetscErrorCode MatGetRowMinAbs(Mat, Vec, PetscInt[]); 820 PETSC_EXTERN PetscErrorCode MatGetRowSum(Mat, Vec); 821 PETSC_EXTERN PetscErrorCode MatTranspose(Mat, MatReuse, Mat *); 822 PETSC_EXTERN PetscErrorCode MatTransposeSymbolic(Mat, Mat *); 823 PETSC_EXTERN PetscErrorCode MatTransposeSetPrecursor(Mat, Mat); 824 PETSC_EXTERN PetscErrorCode MatHermitianTranspose(Mat, MatReuse, Mat *); 825 PETSC_EXTERN PetscErrorCode MatPermute(Mat, IS, IS, Mat *); 826 PETSC_EXTERN PetscErrorCode MatDiagonalScale(Mat, Vec, Vec); 827 PETSC_EXTERN PetscErrorCode MatDiagonalSet(Mat, Vec, InsertMode); 828 829 PETSC_EXTERN PetscErrorCode MatEqual(Mat, Mat, PetscBool *); 830 PETSC_EXTERN PetscErrorCode MatMultEqual(Mat, Mat, PetscInt, PetscBool *); 831 PETSC_EXTERN PetscErrorCode MatMultAddEqual(Mat, Mat, PetscInt, PetscBool *); 832 PETSC_EXTERN PetscErrorCode MatMultTransposeEqual(Mat, Mat, PetscInt, PetscBool *); 833 PETSC_EXTERN PetscErrorCode MatMultTransposeAddEqual(Mat, Mat, PetscInt, PetscBool *); 834 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeEqual(Mat, Mat, PetscInt, PetscBool *); 835 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAddEqual(Mat, Mat, PetscInt, PetscBool *); 836 PETSC_EXTERN PetscErrorCode MatMatMultEqual(Mat, Mat, Mat, PetscInt, PetscBool *); 837 PETSC_EXTERN PetscErrorCode MatTransposeMatMultEqual(Mat, Mat, Mat, PetscInt, PetscBool *); 838 PETSC_EXTERN PetscErrorCode MatMatTransposeMultEqual(Mat, Mat, Mat, PetscInt, PetscBool *); 839 PETSC_EXTERN PetscErrorCode MatPtAPMultEqual(Mat, Mat, Mat, PetscInt, PetscBool *); 840 PETSC_EXTERN PetscErrorCode MatRARtMultEqual(Mat, Mat, Mat, PetscInt, PetscBool *); 841 PETSC_EXTERN PetscErrorCode MatIsLinear(Mat, PetscInt, PetscBool *); 842 843 PETSC_EXTERN PetscErrorCode MatNorm(Mat, NormType, PetscReal *); 844 PETSC_EXTERN PetscErrorCode MatGetColumnNorms(Mat, NormType, PetscReal *); 845 PETSC_EXTERN PetscErrorCode MatGetColumnSums(Mat, PetscScalar *); 846 PETSC_EXTERN PetscErrorCode MatGetColumnSumsRealPart(Mat, PetscReal *); 847 PETSC_EXTERN PetscErrorCode MatGetColumnSumsImaginaryPart(Mat, PetscReal *); 848 PETSC_EXTERN PetscErrorCode MatGetColumnMeans(Mat, PetscScalar *); 849 PETSC_EXTERN PetscErrorCode MatGetColumnMeansRealPart(Mat, PetscReal *); 850 PETSC_EXTERN PetscErrorCode MatGetColumnMeansImaginaryPart(Mat, PetscReal *); 851 PETSC_EXTERN PetscErrorCode MatGetColumnReductions(Mat, PetscInt, PetscReal *); 852 PETSC_EXTERN PetscErrorCode MatZeroEntries(Mat); 853 PETSC_EXTERN PetscErrorCode MatSetInf(Mat); 854 PETSC_EXTERN PetscErrorCode MatZeroRows(Mat, PetscInt, const PetscInt[], PetscScalar, Vec, Vec); 855 PETSC_EXTERN PetscErrorCode MatZeroRowsIS(Mat, IS, PetscScalar, Vec, Vec); 856 PETSC_EXTERN PetscErrorCode MatZeroRowsStencil(Mat, PetscInt, const MatStencil[], PetscScalar, Vec, Vec); 857 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsStencil(Mat, PetscInt, const MatStencil[], PetscScalar, Vec, Vec); 858 PETSC_EXTERN PetscErrorCode MatZeroRowsColumns(Mat, PetscInt, const PetscInt[], PetscScalar, Vec, Vec); 859 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsIS(Mat, IS, PetscScalar, Vec, Vec); 860 861 PETSC_EXTERN PetscErrorCode MatGetSize(Mat, PetscInt *, PetscInt *); 862 PETSC_EXTERN PetscErrorCode MatGetLocalSize(Mat, PetscInt *, PetscInt *); 863 PETSC_EXTERN PetscErrorCode MatGetOwnershipRange(Mat, PetscInt *, PetscInt *); 864 PETSC_EXTERN PetscErrorCode MatGetOwnershipRanges(Mat, const PetscInt **); 865 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangeColumn(Mat, PetscInt *, PetscInt *); 866 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangesColumn(Mat, const PetscInt **); 867 PETSC_EXTERN PetscErrorCode MatGetOwnershipIS(Mat, IS *, IS *); 868 869 PETSC_EXTERN PetscErrorCode MatCreateSubMatrices(Mat, PetscInt, const IS[], const IS[], MatReuse, Mat *[]); 870 PETSC_DEPRECATED_FUNCTION(3, 8, 0, "MatCreateSubMatrices()", ) static inline PetscErrorCode MatGetSubMatrices(Mat mat, PetscInt n, const IS irow[], const IS icol[], MatReuse scall, Mat *submat[]) 871 { 872 return MatCreateSubMatrices(mat, n, irow, icol, scall, submat); 873 } 874 PETSC_EXTERN PetscErrorCode MatCreateSubMatricesMPI(Mat, PetscInt, const IS[], const IS[], MatReuse, Mat *[]); 875 PETSC_DEPRECATED_FUNCTION(3, 8, 0, "MatCreateSubMatricesMPI()", ) static inline PetscErrorCode MatGetSubMatricesMPI(Mat mat, PetscInt n, const IS irow[], const IS icol[], MatReuse scall, Mat *submat[]) 876 { 877 return MatCreateSubMatricesMPI(mat, n, irow, icol, scall, submat); 878 } 879 PETSC_EXTERN PetscErrorCode MatDestroyMatrices(PetscInt, Mat *[]); 880 PETSC_EXTERN PetscErrorCode MatDestroySubMatrices(PetscInt, Mat *[]); 881 PETSC_EXTERN PetscErrorCode MatCreateSubMatrix(Mat, IS, IS, MatReuse, Mat *); 882 PETSC_DEPRECATED_FUNCTION(3, 8, 0, "MatCreateSubMatrix()", ) static inline PetscErrorCode MatGetSubMatrix(Mat mat, IS isrow, IS iscol, MatReuse cll, Mat *newmat) 883 { 884 return MatCreateSubMatrix(mat, isrow, iscol, cll, newmat); 885 } 886 PETSC_EXTERN PetscErrorCode MatGetLocalSubMatrix(Mat, IS, IS, Mat *); 887 PETSC_EXTERN PetscErrorCode MatRestoreLocalSubMatrix(Mat, IS, IS, Mat *); 888 PETSC_EXTERN PetscErrorCode MatGetSeqNonzeroStructure(Mat, Mat *); 889 PETSC_EXTERN PetscErrorCode MatDestroySeqNonzeroStructure(Mat *); 890 891 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm, Mat, PetscInt, PetscInt, MatReuse, Mat *); 892 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJSymbolic(MPI_Comm, Mat, PetscInt, PetscInt, Mat *); 893 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJNumeric(Mat, Mat); 894 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMat(Mat, MatReuse, Mat *); 895 PETSC_EXTERN PetscErrorCode MatAIJGetLocalMat(Mat, Mat *); 896 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatCondensed(Mat, MatReuse, IS *, IS *, Mat *); 897 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatMerge(Mat, MatReuse, IS *, Mat *); 898 PETSC_EXTERN PetscErrorCode MatMPIAIJGetNumberNonzeros(Mat, PetscCount *); 899 PETSC_EXTERN PetscErrorCode MatGetBrowsOfAcols(Mat, Mat, MatReuse, IS *, IS *, Mat *); 900 PETSC_EXTERN PetscErrorCode MatGetGhosts(Mat, PetscInt *, const PetscInt *[]); 901 902 PETSC_EXTERN PetscErrorCode MatIncreaseOverlap(Mat, PetscInt, IS[], PetscInt); 903 PETSC_EXTERN PetscErrorCode MatIncreaseOverlapSplit(Mat mat, PetscInt n, IS is[], PetscInt ov); 904 PETSC_EXTERN PetscErrorCode MatMPIAIJSetUseScalableIncreaseOverlap(Mat, PetscBool); 905 906 PETSC_EXTERN PetscErrorCode MatMatMult(Mat, Mat, MatReuse, PetscReal, Mat *); 907 908 PETSC_EXTERN PetscErrorCode MatMatMatMult(Mat, Mat, Mat, MatReuse, PetscReal, Mat *); 909 PETSC_EXTERN PetscErrorCode MatGalerkin(Mat, Mat, Mat, MatReuse, PetscReal, Mat *); 910 911 PETSC_EXTERN PetscErrorCode MatPtAP(Mat, Mat, MatReuse, PetscReal, Mat *); 912 PETSC_EXTERN PetscErrorCode MatRARt(Mat, Mat, MatReuse, PetscReal, Mat *); 913 914 PETSC_EXTERN PetscErrorCode MatTransposeMatMult(Mat, Mat, MatReuse, PetscReal, Mat *); 915 PETSC_EXTERN PetscErrorCode MatMatTransposeMult(Mat, Mat, MatReuse, PetscReal, Mat *); 916 917 PETSC_EXTERN PetscErrorCode MatAXPY(Mat, PetscScalar, Mat, MatStructure); 918 PETSC_EXTERN PetscErrorCode MatAYPX(Mat, PetscScalar, Mat, MatStructure); 919 920 PETSC_EXTERN PetscErrorCode MatScale(Mat, PetscScalar); 921 PETSC_EXTERN PetscErrorCode MatShift(Mat, PetscScalar); 922 923 PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMapping(Mat, ISLocalToGlobalMapping, ISLocalToGlobalMapping); 924 PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMapping(Mat, ISLocalToGlobalMapping *, ISLocalToGlobalMapping *); 925 PETSC_EXTERN PetscErrorCode MatGetLayouts(Mat, PetscLayout *, PetscLayout *); 926 PETSC_EXTERN PetscErrorCode MatSetLayouts(Mat, PetscLayout, PetscLayout); 927 PETSC_EXTERN PetscErrorCode MatZeroRowsLocal(Mat, PetscInt, const PetscInt[], PetscScalar, Vec, Vec); 928 PETSC_EXTERN PetscErrorCode MatZeroRowsLocalIS(Mat, IS, PetscScalar, Vec, Vec); 929 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocal(Mat, PetscInt, const PetscInt[], PetscScalar, Vec, Vec); 930 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocalIS(Mat, IS, PetscScalar, Vec, Vec); 931 PETSC_EXTERN PetscErrorCode MatGetValuesLocal(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], PetscScalar[]); 932 PETSC_EXTERN PetscErrorCode MatSetValuesLocal(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], const PetscScalar[], InsertMode); 933 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedLocal(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], const PetscScalar[], InsertMode); 934 935 PETSC_EXTERN PetscErrorCode MatStashSetInitialSize(Mat, PetscInt, PetscInt); 936 PETSC_EXTERN PetscErrorCode MatStashGetInfo(Mat, PetscInt *, PetscInt *, PetscInt *, PetscInt *); 937 938 PETSC_EXTERN PetscErrorCode MatInterpolate(Mat, Vec, Vec); 939 PETSC_EXTERN PetscErrorCode MatInterpolateAdd(Mat, Vec, Vec, Vec); 940 PETSC_EXTERN PetscErrorCode MatRestrict(Mat, Vec, Vec); 941 PETSC_EXTERN PetscErrorCode MatMatInterpolate(Mat, Mat, Mat *); 942 PETSC_EXTERN PetscErrorCode MatMatInterpolateAdd(Mat, Mat, Mat, Mat *); 943 PETSC_EXTERN PetscErrorCode MatMatRestrict(Mat, Mat, Mat *); 944 PETSC_EXTERN PetscErrorCode MatCreateVecs(Mat, Vec *, Vec *); 945 PETSC_DEPRECATED_FUNCTION(3, 6, 0, "MatCreateVecs()", ) static inline PetscErrorCode MatGetVecs(Mat mat, Vec *x, Vec *y) 946 { 947 return MatCreateVecs(mat, x, y); 948 } 949 PETSC_EXTERN PetscErrorCode MatCreateRedundantMatrix(Mat, PetscInt, MPI_Comm, MatReuse, Mat *); 950 PETSC_EXTERN PetscErrorCode MatGetMultiProcBlock(Mat, MPI_Comm, MatReuse, Mat *); 951 PETSC_EXTERN PetscErrorCode MatFindZeroDiagonals(Mat, IS *); 952 PETSC_EXTERN PetscErrorCode MatFindOffBlockDiagonalEntries(Mat, IS *); 953 PETSC_EXTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat(MPI_Comm, Mat, PetscInt, MatReuse, Mat *); 954 955 /*@C 956 MatSetValue - Set a single entry into a matrix. 957 958 Not Collective 959 960 Input Parameters: 961 + mat - the matrix 962 . i - the row location of the entry 963 . j - the column location of the entry 964 . va - the value to insert 965 - mode - either `INSERT_VALUES` or `ADD_VALUES` 966 967 Level: beginner 968 969 Notes: 970 This value may be cached, so `MatAssemblyBegin()` and `MatAssemblyEnd()` 971 MUST be called after all calls to `MatSetValue()` have been completed. 972 973 For efficiency one should use `MatSetValues()` and set several values simultaneously. 974 975 .seealso: [](ch_matrices), `Mat`, `MatAssemblyBegin()`, `MatAssemblyEnd()`, `InsertMode`, `MatGetValue()`, `MatSetValues()`, 976 `MatSetValueLocal()`, `MatSetValuesLocal()` 977 @*/ 978 static inline PetscErrorCode MatSetValue(Mat mat, PetscInt i, PetscInt j, PetscScalar va, InsertMode mode) 979 { 980 return MatSetValues(mat, 1, &i, 1, &j, &va, mode); 981 } 982 983 /*@C 984 MatGetValue - Gets a single value from a matrix 985 986 Not Collective; can only return a value owned by the given process 987 988 Input Parameters: 989 + mat - the matrix 990 . row - the row location of the entry 991 - col - the column location of the entry 992 993 Output Parameter: 994 . va - the value 995 996 Level: advanced 997 998 Notes: 999 The matrix must have been assembled with `MatAssemblyBegin()` and `MatAssemblyEnd()` before this call 1000 1001 For efficiency one should use `MatGetValues()` and get several values simultaneously. 1002 1003 See notes for `MatGetValues()`. 1004 1005 .seealso: [](ch_matrices), `Mat`, `MatAssemblyBegin()`, `MatAssemblyEnd()`, `MatSetValue()`, `MatGetValueLocal()`, `MatGetValues()` 1006 @*/ 1007 static inline PetscErrorCode MatGetValue(Mat mat, PetscInt row, PetscInt col, PetscScalar *va) 1008 { 1009 return MatGetValues(mat, 1, &row, 1, &col, va); 1010 } 1011 1012 /*@C 1013 MatSetValueLocal - Inserts or adds a single value into a matrix, using a local numbering of the nodes. 1014 1015 Not Collective 1016 1017 Input Parameters: 1018 + mat - the matrix 1019 . i - the row location of the entry 1020 . j - the column location of the entry 1021 . va - the value to insert 1022 - mode - either `INSERT_VALUES` or `ADD_VALUES` 1023 1024 Level: intermediate 1025 1026 Notes: 1027 For efficiency one should use `MatSetValuesLocal()` and set several values simultaneously. 1028 1029 See notes for `MatSetValuesLocal()` for additional information on when and how this function can be used. 1030 1031 .seealso: [](ch_matrices), `MatSetValue()`, `MatSetValuesLocal()` 1032 @*/ 1033 static inline PetscErrorCode MatSetValueLocal(Mat mat, PetscInt i, PetscInt j, PetscScalar va, InsertMode mode) 1034 { 1035 return MatSetValuesLocal(mat, 1, &i, 1, &j, &va, mode); 1036 } 1037 1038 /*MC 1039 MatPreallocateBegin - Begins the block of code that will count the number of nonzeros per 1040 row in a matrix providing the data that one can use to correctly preallocate the matrix. 1041 1042 Synopsis: 1043 #include <petscmat.h> 1044 PetscErrorCode MatPreallocateBegin(MPI_Comm comm, PetscInt nrows, PetscInt ncols, PetscInt *dnz, PetscInt *onz) 1045 1046 Collective 1047 1048 Input Parameters: 1049 + comm - the communicator that will share the eventually allocated matrix 1050 . nrows - the number of LOCAL rows in the matrix 1051 - ncols - the number of LOCAL columns in the matrix 1052 1053 Output Parameters: 1054 + dnz - the array that will be passed to the matrix preallocation routines 1055 - onz - the other array passed to the matrix preallocation routines 1056 1057 Level: deprecated (since v3.19) 1058 1059 Notes: 1060 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1061 the use of this routine 1062 1063 This is a macro that handles its own error checking, it does not return an error code. 1064 1065 Do not malloc or free `dnz` and `onz`, that is handled internally by these routines 1066 1067 Developer Note: 1068 This is a MACRO, not a function, because it has a leading { that is closed by `PetscPreallocateFinalize()`. 1069 1070 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()`, `MatPreallocateSetLocal()`, 1071 `MatPreallocateSymmetricSetLocalBlock()` 1072 M*/ 1073 #define MatPreallocateBegin(comm, nrows, ncols, dnz, onz) \ 1074 do { \ 1075 PetscInt __nrows = (nrows), __ncols = (ncols), __rstart, __end = 0; \ 1076 PetscInt PETSC_UNUSED __start; \ 1077 PetscCall(PetscCalloc2(__nrows, &(dnz), __nrows, &(onz))); \ 1078 PetscCallMPI(MPI_Scan(&__ncols, &__end, 1, MPIU_INT, MPI_SUM, comm)); \ 1079 __start = __end - __ncols; \ 1080 (void)__start; \ 1081 PetscCallMPI(MPI_Scan(&__nrows, &__rstart, 1, MPIU_INT, MPI_SUM, comm)); \ 1082 __rstart -= __nrows 1083 1084 #define MatPreallocateInitialize(...) PETSC_DEPRECATED_MACRO(3, 18, 0, "MatPreallocateBegin()", ) MatPreallocateBegin(__VA_ARGS__) 1085 1086 /*MC 1087 MatPreallocateSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be 1088 inserted using a local number of the rows and columns 1089 1090 Synopsis: 1091 #include <petscmat.h> 1092 PetscErrorCode MatPreallocateSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 1093 1094 Not Collective 1095 1096 Input Parameters: 1097 + map - the row mapping from local numbering to global numbering 1098 . nrows - the number of rows indicated 1099 . rows - the indices of the rows 1100 . cmap - the column mapping from local to global numbering 1101 . ncols - the number of columns in the matrix 1102 . cols - the columns indicated 1103 . dnz - the array that will be passed to the matrix preallocation routines 1104 - onz - the other array passed to the matrix preallocation routines 1105 1106 Level: deprecated (since v3.19) 1107 1108 Notes: 1109 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1110 the use of this routine 1111 1112 Do not malloc or free `dnz` and `onz`, that is handled internally by these routines 1113 1114 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()` 1115 `MatPreallocateBegin()`, `MatPreallocateSymmetricSetLocalBlock()`, `MatPreallocateSetLocalRemoveDups()` 1116 M*/ 1117 #define MatPreallocateSetLocal(rmap, nrows, rows, cmap, ncols, cols, dnz, onz) \ 1118 PetscMacroReturnStandard(PetscCall(ISLocalToGlobalMappingApply(rmap, nrows, rows, rows)); PetscCall(ISLocalToGlobalMappingApply(cmap, ncols, cols, cols)); for (PetscInt __l = 0; __l < nrows; __l++) PetscCall(MatPreallocateSet((rows)[__l], ncols, cols, dnz, onz));) 1119 1120 /*MC 1121 MatPreallocateSetLocalRemoveDups - Indicates the locations (rows and columns) in the matrix where nonzeros will be 1122 inserted using a local number of the rows and columns. This version removes any duplicate columns in cols 1123 1124 Synopsis: 1125 #include <petscmat.h> 1126 PetscErrorCode MatPreallocateSetLocalRemoveDups(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 1127 1128 Not Collective 1129 1130 Input Parameters: 1131 + map - the row mapping from local numbering to global numbering 1132 . nrows - the number of rows indicated 1133 . rows - the indices of the rows (these values are mapped to the global values) 1134 . cmap - the column mapping from local to global numbering 1135 . ncols - the number of columns in the matrix (this value will be changed if duplicate columns are found) 1136 . cols - the columns indicated (these values are mapped to the global values, they are then sorted and duplicates removed) 1137 . dnz - the array that will be passed to the matrix preallocation routines 1138 - onz - the other array passed to the matrix preallocation routines 1139 1140 Level: deprecated (since v3.19) 1141 1142 Notes: 1143 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1144 the use of this routine 1145 1146 Do not malloc or free `dnz` and `onz`, that is handled internally by these routines 1147 1148 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()` 1149 `MatPreallocateBegin()`, `MatPreallocateSymmetricSetLocalBlock()`, `MatPreallocateSetLocal()` 1150 M*/ 1151 #define MatPreallocateSetLocalRemoveDups(rmap, nrows, rows, cmap, ncols, cols, dnz, onz) \ 1152 PetscMacroReturnStandard(PetscCall(ISLocalToGlobalMappingApply(rmap, nrows, rows, rows)); PetscCall(ISLocalToGlobalMappingApply(cmap, ncols, cols, cols)); PetscCall(PetscSortRemoveDupsInt(&ncols, cols)); for (PetscInt __l = 0; __l < nrows; __l++) PetscCall(MatPreallocateSet((rows)[__l], ncols, cols, dnz, onz));) 1153 1154 /*MC 1155 MatPreallocateSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be 1156 inserted using a local number of the rows and columns 1157 1158 Synopsis: 1159 #include <petscmat.h> 1160 PetscErrorCode MatPreallocateSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 1161 1162 Not Collective 1163 1164 Input Parameters: 1165 + map - the row mapping from local numbering to global numbering 1166 . nrows - the number of rows indicated 1167 . rows - the indices of the rows 1168 . cmap - the column mapping from local to global numbering 1169 . ncols - the number of columns in the matrix 1170 . cols - the columns indicated 1171 . dnz - the array that will be passed to the matrix preallocation routines 1172 - onz - the other array passed to the matrix preallocation routines 1173 1174 Level: deprecated (since v3.19) 1175 1176 Notes: 1177 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1178 the use of this routine 1179 1180 Do not malloc or free `dnz` and `onz`, that is handled internally by these routines 1181 1182 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()` 1183 `MatPreallocateBegin()`, `MatPreallocateSymmetricSetLocalBlock()` 1184 M*/ 1185 #define MatPreallocateSetLocalBlock(rmap, nrows, rows, cmap, ncols, cols, dnz, onz) \ 1186 PetscMacroReturnStandard(PetscCall(ISLocalToGlobalMappingApplyBlock(rmap, nrows, rows, rows)); PetscCall(ISLocalToGlobalMappingApplyBlock(cmap, ncols, cols, cols)); for (PetscInt __l = 0; __l < nrows; __l++) PetscCall(MatPreallocateSet((rows)[__l], ncols, cols, dnz, onz));) 1187 1188 /*MC 1189 MatPreallocateSymmetricSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be 1190 inserted using a local number of the rows and columns 1191 1192 Synopsis: 1193 #include <petscmat.h> 1194 PetscErrorCode MatPreallocateSymmetricSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 1195 1196 Not Collective 1197 1198 Input Parameters: 1199 + map - the mapping between local numbering and global numbering 1200 . nrows - the number of rows indicated 1201 . rows - the indices of the rows 1202 . ncols - the number of columns in the matrix 1203 . cols - the columns indicated 1204 . dnz - the array that will be passed to the matrix preallocation routines 1205 - onz - the other array passed to the matrix preallocation routines 1206 1207 Level: deprecated (since v3.19) 1208 1209 Notes: 1210 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1211 the use of this routine 1212 1213 Do not malloc or free `dnz` and `onz` that is handled internally by these routines 1214 1215 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()` 1216 `MatPreallocateBegin()`, `MatPreallocateSetLocal()` 1217 M*/ 1218 #define MatPreallocateSymmetricSetLocalBlock(map, nrows, rows, ncols, cols, dnz, onz) \ 1219 PetscMacroReturnStandard(PetscCall(ISLocalToGlobalMappingApplyBlock(map, nrows, rows, rows)); PetscCall(ISLocalToGlobalMappingApplyBlock(map, ncols, cols, cols)); for (PetscInt __l = 0; __l < nrows; __l++) PetscCall(MatPreallocateSymmetricSetBlock((rows)[__l], ncols, cols, dnz, onz));) 1220 1221 /*MC 1222 MatPreallocateSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be 1223 inserted using a local number of the rows and columns 1224 1225 Synopsis: 1226 #include <petscmat.h> 1227 PetscErrorCode MatPreallocateSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 1228 1229 Not Collective 1230 1231 Input Parameters: 1232 + row - the row 1233 . ncols - the number of columns in the matrix 1234 - cols - the columns indicated 1235 1236 Output Parameters: 1237 + dnz - the array that will be passed to the matrix preallocation routines 1238 - onz - the other array passed to the matrix preallocation routines 1239 1240 Level: deprecated (since v3.19) 1241 1242 Notes: 1243 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1244 the use of this routine 1245 1246 Do not malloc or free `dnz` and `onz` that is handled internally by these routines 1247 1248 This is a MACRO, not a function, because it uses variables declared in MatPreallocateBegin(). 1249 1250 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()` 1251 `MatPreallocateBegin()`, `MatPreallocateSetLocal()` 1252 M*/ 1253 #define MatPreallocateSet(row, nc, cols, dnz, onz) \ 1254 PetscMacroReturnStandard(PetscCheck(row >= __rstart, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Trying to set preallocation for row %" PetscInt_FMT " less than first local row %" PetscInt_FMT, row, __rstart); PetscCheck(row < __rstart + __nrows, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Trying to set preallocation for row %" PetscInt_FMT " greater than last local row %" PetscInt_FMT, row, __rstart + __nrows - 1); for (PetscInt __i = 0; __i < nc; ++__i) { \ 1255 if ((cols)[__i] < __start || (cols)[__i] >= __end) onz[row - __rstart]++; \ 1256 else if (dnz[row - __rstart] < __ncols) dnz[row - __rstart]++; \ 1257 }) 1258 1259 /*MC 1260 MatPreallocateSymmetricSetBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be 1261 inserted using a local number of the rows and columns 1262 1263 Synopsis: 1264 #include <petscmat.h> 1265 PetscErrorCode MatPreallocateSymmetricSetBlock(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 1266 1267 Not Collective 1268 1269 Input Parameters: 1270 + nrows - the number of rows indicated 1271 . rows - the indices of the rows 1272 . ncols - the number of columns in the matrix 1273 . cols - the columns indicated 1274 . dnz - the array that will be passed to the matrix preallocation routines 1275 - onz - the other array passed to the matrix preallocation routines 1276 1277 Level: deprecated (since v3.19) 1278 1279 Notes: 1280 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1281 the use of this routine 1282 1283 Do not malloc or free `dnz` and `onz` that is handled internally by these routines 1284 1285 This is a MACRO, not a function, because it uses variables declared in MatPreallocateBegin(). 1286 1287 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()`, `MatPreallocateBegin()`, 1288 `MatPreallocateSymmetricSetLocalBlock()`, `MatPreallocateSetLocal()` 1289 M*/ 1290 #define MatPreallocateSymmetricSetBlock(row, nc, cols, dnz, onz) \ 1291 PetscMacroReturnStandard(for (PetscInt __i = 0; __i < nc; __i++) { \ 1292 if (cols[__i] >= __end) onz[row - __rstart]++; \ 1293 else if (cols[__i] >= row && dnz[row - __rstart] < __ncols) dnz[row - __rstart]++; \ 1294 }) 1295 1296 /*MC 1297 MatPreallocateLocation - An alternative to MatPreallocateSet() that puts the nonzero locations into the matrix if it exists 1298 1299 Synopsis: 1300 #include <petscmat.h> 1301 PetscErrorCode MatPreallocateLocations(Mat A,PetscInt row,PetscInt ncols,PetscInt *cols,PetscInt *dnz,PetscInt *onz) 1302 1303 Not Collective 1304 1305 Input Parameters: 1306 + A - matrix 1307 . row - row where values exist (must be local to this process) 1308 . ncols - number of columns 1309 . cols - columns with nonzeros 1310 . dnz - the array that will be passed to the matrix preallocation routines 1311 - onz - the other array passed to the matrix preallocation routines 1312 1313 Level: deprecated (since v3.19) 1314 1315 Notes: 1316 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1317 the use of this routine 1318 1319 Do not malloc or free `dnz` and `onz` that is handled internally by these routines 1320 1321 Developer Note: 1322 This is a MACRO, not a function, because it uses a bunch of variables private to the MatPreallocation.... routines. 1323 1324 .seealso: [](ch_matrices), `MatPreallocateBegin()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()`, `MatPreallocateSetLocal()`, 1325 `MatPreallocateSymmetricSetLocalBlock()` 1326 M*/ 1327 #define MatPreallocateLocation(A, row, ncols, cols, dnz, onz) (A ? MatSetValues(A, 1, &row, ncols, cols, NULL, INSERT_VALUES) : MatPreallocateSet(row, ncols, cols, dnz, onz)) 1328 1329 /*MC 1330 MatPreallocateEnd - Ends the block of code that will count the number of nonzeros per 1331 row in a matrix providing the data that one can use to correctly preallocate the matrix. 1332 1333 Synopsis: 1334 #include <petscmat.h> 1335 PetscErrorCode MatPreallocateEnd(PetscInt *dnz, PetscInt *onz) 1336 1337 Collective 1338 1339 Input Parameters: 1340 + dnz - the array that was be passed to the matrix preallocation routines 1341 - onz - the other array passed to the matrix preallocation routines 1342 1343 Level: deprecated (since v3.19) 1344 1345 Notes: 1346 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1347 the use of this routine 1348 1349 Do not malloc or free `dnz` and `onz`, that is handled internally by these routines 1350 1351 Developer Note: 1352 This is a MACRO, not a function, because it closes the { started in MatPreallocateBegin(). 1353 1354 .seealso: [](ch_matrices), `MatPreallocateBegin()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()`, `MatPreallocateSetLocal()`, 1355 `MatPreallocateSymmetricSetLocalBlock()` 1356 M*/ 1357 #define MatPreallocateEnd(dnz, onz) \ 1358 PetscCall(PetscFree2(dnz, onz)); \ 1359 } \ 1360 while (0) 1361 1362 #define MatPreallocateFinalize(...) PETSC_DEPRECATED_MACRO(3, 18, 0, "MatPreallocateEnd()", ) MatPreallocateEnd(__VA_ARGS__) 1363 1364 /* Routines unique to particular data structures */ 1365 PETSC_EXTERN PetscErrorCode MatShellGetContext(Mat, void *); 1366 1367 PETSC_EXTERN PetscErrorCode MatInodeAdjustForInodes(Mat, IS *, IS *); 1368 PETSC_EXTERN PetscErrorCode MatInodeGetInodeSizes(Mat, PetscInt *, PetscInt *[], PetscInt *); 1369 1370 PETSC_EXTERN PetscErrorCode MatSeqAIJSetColumnIndices(Mat, PetscInt[]); 1371 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetColumnIndices(Mat, PetscInt[]); 1372 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJWithArrays(MPI_Comm, PetscInt, PetscInt, PetscInt[], PetscInt[], PetscScalar[], Mat *); 1373 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJWithArrays(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt[], PetscInt[], PetscScalar[], Mat *); 1374 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJWithArrays(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt[], PetscInt[], PetscScalar[], Mat *); 1375 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJFromTriple(MPI_Comm, PetscInt, PetscInt, PetscInt[], PetscInt[], PetscScalar[], Mat *, PetscInt, PetscBool); 1376 1377 #define MAT_SKIP_ALLOCATION -4 1378 1379 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocation(Mat, PetscInt, PetscInt, const PetscInt[]); 1380 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocation(Mat, PetscInt, PetscInt, const PetscInt[]); 1381 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation(Mat, PetscInt, const PetscInt[]); 1382 PETSC_EXTERN PetscErrorCode MatSeqAIJSetTotalPreallocation(Mat, PetscInt); 1383 1384 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocation(Mat, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[]); 1385 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocation(Mat, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[]); 1386 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocation(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[]); 1387 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocationCSR(Mat, const PetscInt[], const PetscInt[], const PetscScalar[]); 1388 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocationCSR(Mat, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[]); 1389 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocationCSR(Mat, const PetscInt[], const PetscInt[], const PetscScalar[]); 1390 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocationCSR(Mat, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[]); 1391 PETSC_EXTERN PetscErrorCode MatMPIAdjSetPreallocation(Mat, PetscInt[], PetscInt[], PetscInt[]); 1392 PETSC_EXTERN PetscErrorCode MatMPIAdjToSeq(Mat, Mat *); 1393 PETSC_EXTERN PetscErrorCode MatMPIAdjToSeqRankZero(Mat, Mat *); 1394 PETSC_EXTERN PetscErrorCode MatMPIDenseSetPreallocation(Mat, PetscScalar[]); 1395 PETSC_EXTERN PetscErrorCode MatSeqDenseSetPreallocation(Mat, PetscScalar[]); 1396 PETSC_EXTERN PetscErrorCode MatMPIAIJGetSeqAIJ(Mat, Mat *, Mat *, const PetscInt *[]); 1397 PETSC_EXTERN PetscErrorCode MatMPIBAIJGetSeqBAIJ(Mat, Mat *, Mat *, const PetscInt *[]); 1398 PETSC_EXTERN PetscErrorCode MatMPIAdjCreateNonemptySubcommMat(Mat, Mat *); 1399 1400 PETSC_EXTERN PetscErrorCode MatDenseGetLDA(Mat, PetscInt *); 1401 PETSC_EXTERN PetscErrorCode MatDenseSetLDA(Mat, PetscInt); 1402 PETSC_DEPRECATED_FUNCTION(3, 14, 0, "MatDenseSetLDA()", ) static inline PetscErrorCode MatSeqDenseSetLDA(Mat A, PetscInt lda) 1403 { 1404 return MatDenseSetLDA(A, lda); 1405 } 1406 PETSC_EXTERN PetscErrorCode MatDenseGetLocalMatrix(Mat, Mat *); 1407 1408 PETSC_EXTERN PetscErrorCode MatBlockMatSetPreallocation(Mat, PetscInt, PetscInt, const PetscInt[]); 1409 1410 PETSC_EXTERN PetscErrorCode MatStoreValues(Mat); 1411 PETSC_EXTERN PetscErrorCode MatRetrieveValues(Mat); 1412 1413 PETSC_EXTERN PetscErrorCode MatFindNonzeroRows(Mat, IS *); 1414 PETSC_EXTERN PetscErrorCode MatFindZeroRows(Mat, IS *); 1415 /* 1416 These routines are not usually accessed directly, rather solving is 1417 done through the KSP and PC interfaces. 1418 */ 1419 1420 /*J 1421 MatOrderingType - String with the name of a PETSc matrix ordering. These orderings are most commonly used 1422 to reduce fill in sparse factorizations. 1423 1424 Level: beginner 1425 1426 Notes: 1427 If `MATORDERINGEXTERNAL` is used then PETSc does not compute an ordering and instead the external factorization solver package called utilizes one 1428 of its own. 1429 1430 There is no `MatOrdering` object, the ordering is obtained directly from the matrix with `MatGetOrdering()` 1431 1432 Developer Note: 1433 This API should be converted to an API similar to those for `MatColoring` and `MatPartitioning` 1434 1435 .seealso: [](ch_matrices), [](sec_graph), `MatGetFactor()`, `MatGetOrdering()`, `MatColoringType`, `MatPartitioningType`, `MatCoarsenType`, `MatCoarsenType`, 1436 `PCFactorSetOrderingType()` 1437 J*/ 1438 typedef const char *MatOrderingType; 1439 #define MATORDERINGNATURAL "natural" 1440 #define MATORDERINGND "nd" 1441 #define MATORDERING1WD "1wd" 1442 #define MATORDERINGRCM "rcm" 1443 #define MATORDERINGQMD "qmd" 1444 #define MATORDERINGROWLENGTH "rowlength" 1445 #define MATORDERINGWBM "wbm" 1446 #define MATORDERINGSPECTRAL "spectral" 1447 #define MATORDERINGAMD "amd" /* only works if UMFPACK is installed with PETSc */ 1448 #define MATORDERINGMETISND "metisnd" /* only works if METIS is installed with PETSc */ 1449 #define MATORDERINGNATURAL_OR_ND "natural_or_nd" /* special coase used for Cholesky and ICC, allows ND when AIJ matrix is used but Natural when SBAIJ is used */ 1450 #define MATORDERINGEXTERNAL "external" /* uses an ordering type internal to the factorization package */ 1451 1452 PETSC_EXTERN PetscErrorCode MatGetOrdering(Mat, MatOrderingType, IS *, IS *); 1453 PETSC_EXTERN PetscErrorCode MatGetOrderingList(PetscFunctionList *); 1454 PETSC_EXTERN PetscErrorCode MatOrderingRegister(const char[], PetscErrorCode (*)(Mat, MatOrderingType, IS *, IS *)); 1455 PETSC_EXTERN PetscFunctionList MatOrderingList; 1456 1457 #include "petscmatcoarsen.h" 1458 1459 PETSC_EXTERN PetscErrorCode MatReorderForNonzeroDiagonal(Mat, PetscReal, IS, IS); 1460 PETSC_EXTERN PetscErrorCode MatCreateLaplacian(Mat, PetscReal, PetscBool, Mat *); 1461 1462 PETSC_EXTERN PetscErrorCode MatFactorGetPreferredOrdering(Mat, MatFactorType, MatOrderingType *); 1463 1464 /*S 1465 MatFactorShiftType - Type of numeric shift used for factorizations 1466 1467 Values: 1468 + `MAT_SHIFT_NONE` - do not shift the matrix diagonal entries 1469 . `MAT_SHIFT_NONZERO` - shift the entries to be non-zero 1470 . `MAT_SHIFT_POSITIVE_DEFINITE` - shift the entries to force the factorization to be positive definite 1471 - `MAT_SHIFT_INBLOCKS` - only shift the factors inside the small dense diagonal blocks of the matrix, for example with `MATBAIJ` 1472 1473 Level: intermediate 1474 1475 .seealso: [](ch_matrices), `Mat`, `MatGetFactor()`, `PCFactorSetShiftType()` 1476 S*/ 1477 typedef enum { 1478 MAT_SHIFT_NONE, 1479 MAT_SHIFT_NONZERO, 1480 MAT_SHIFT_POSITIVE_DEFINITE, 1481 MAT_SHIFT_INBLOCKS 1482 } MatFactorShiftType; 1483 PETSC_EXTERN const char *const MatFactorShiftTypes[]; 1484 PETSC_EXTERN const char *const MatFactorShiftTypesDetail[]; 1485 1486 /*S 1487 MatFactorError - indicates what type of error was generated in a matrix factorization 1488 1489 Values: 1490 + `MAT_FACTOR_NOERROR` - there was no error during the factorization 1491 . `MAT_FACTOR_STRUCT_ZEROPIVOT` - there was a missing entry in a diagonal location of the matrix 1492 . `MAT_FACTOR_NUMERIC_ZEROPIVOT` - there was a (near) zero pivot during the factorization 1493 . `MAT_FACTOR_OUTMEMORY` - the factorization has run out of memory 1494 - `MAT_FACTOR_OTHER` - some other error has occurred. 1495 1496 Level: intermediate 1497 1498 Note: 1499 When a factorization is done in a preconditioner `PC` the error may be propagated up to a `PCFailedReason` or a `KSPConvergedReason` 1500 1501 .seealso: [](ch_matrices), `Mat`, `MatGetFactor()`, `MatFactorGetError()`, `MatFactorGetErrorZeroPivot()`, `MatFactorClearError()`, 1502 `PCFailedReason`, `PCGetFailedReason()`, `KSPConvergedReason` 1503 S*/ 1504 typedef enum { 1505 MAT_FACTOR_NOERROR, 1506 MAT_FACTOR_STRUCT_ZEROPIVOT, 1507 MAT_FACTOR_NUMERIC_ZEROPIVOT, 1508 MAT_FACTOR_OUTMEMORY, 1509 MAT_FACTOR_OTHER 1510 } MatFactorError; 1511 1512 PETSC_EXTERN PetscErrorCode MatFactorGetError(Mat, MatFactorError *); 1513 PETSC_EXTERN PetscErrorCode MatFactorClearError(Mat); 1514 PETSC_EXTERN PetscErrorCode MatFactorGetErrorZeroPivot(Mat, PetscReal *, PetscInt *); 1515 1516 /*S 1517 MatFactorInfo - Data passed into the matrix factorization routines, and information about the resulting factorization 1518 1519 Level: developer 1520 1521 Note: 1522 You can use `MatFactorInfoInitialize()` to set default values. 1523 1524 Fortran Note: 1525 The data is available in a double precision arrays of size `MAT_FACTORINFO_SIZE` 1526 1527 .seealso: [](ch_matrices), `Mat`, `MatInfo`, `MatGetFactor()`, `MatLUFactorSymbolic()`, `MatILUFactorSymbolic()`, `MatCholeskyFactorSymbolic()`, 1528 `MatICCFactorSymbolic()`, `MatICCFactor()`, `MatFactorInfoInitialize()` 1529 S*/ 1530 typedef struct { 1531 PetscReal diagonal_fill; /* force diagonal to fill in if initially not filled */ 1532 PetscReal usedt; 1533 PetscReal dt; /* drop tolerance */ 1534 PetscReal dtcol; /* tolerance for pivoting */ 1535 PetscReal dtcount; /* maximum nonzeros to be allowed per row */ 1536 PetscReal fill; /* expected fill, nonzeros in factored matrix/nonzeros in original matrix */ 1537 PetscReal levels; /* ICC/ILU(levels) */ 1538 PetscReal pivotinblocks; /* for BAIJ and SBAIJ matrices pivot in factorization on blocks, default 1.0 1539 factorization may be faster if do not pivot */ 1540 PetscReal zeropivot; /* pivot is called zero if less than this */ 1541 PetscReal shifttype; /* type of shift added to matrix factor to prevent zero pivots */ 1542 PetscReal shiftamount; /* how large the shift is */ 1543 } MatFactorInfo; 1544 1545 PETSC_EXTERN PetscErrorCode MatFactorInfoInitialize(MatFactorInfo *); 1546 PETSC_EXTERN PetscErrorCode MatCholeskyFactor(Mat, IS, const MatFactorInfo *); 1547 PETSC_EXTERN PetscErrorCode MatCholeskyFactorSymbolic(Mat, Mat, IS, const MatFactorInfo *); 1548 PETSC_EXTERN PetscErrorCode MatCholeskyFactorNumeric(Mat, Mat, const MatFactorInfo *); 1549 PETSC_EXTERN PetscErrorCode MatLUFactor(Mat, IS, IS, const MatFactorInfo *); 1550 PETSC_EXTERN PetscErrorCode MatILUFactor(Mat, IS, IS, const MatFactorInfo *); 1551 PETSC_EXTERN PetscErrorCode MatLUFactorSymbolic(Mat, Mat, IS, IS, const MatFactorInfo *); 1552 PETSC_EXTERN PetscErrorCode MatILUFactorSymbolic(Mat, Mat, IS, IS, const MatFactorInfo *); 1553 PETSC_EXTERN PetscErrorCode MatICCFactorSymbolic(Mat, Mat, IS, const MatFactorInfo *); 1554 PETSC_EXTERN PetscErrorCode MatICCFactor(Mat, IS, const MatFactorInfo *); 1555 PETSC_EXTERN PetscErrorCode MatLUFactorNumeric(Mat, Mat, const MatFactorInfo *); 1556 PETSC_EXTERN PetscErrorCode MatQRFactor(Mat, IS, const MatFactorInfo *); 1557 PETSC_EXTERN PetscErrorCode MatQRFactorSymbolic(Mat, Mat, IS, const MatFactorInfo *); 1558 PETSC_EXTERN PetscErrorCode MatQRFactorNumeric(Mat, Mat, const MatFactorInfo *); 1559 PETSC_EXTERN PetscErrorCode MatGetInertia(Mat, PetscInt *, PetscInt *, PetscInt *); 1560 PETSC_EXTERN PetscErrorCode MatSolve(Mat, Vec, Vec); 1561 PETSC_EXTERN PetscErrorCode MatForwardSolve(Mat, Vec, Vec); 1562 PETSC_EXTERN PetscErrorCode MatBackwardSolve(Mat, Vec, Vec); 1563 PETSC_EXTERN PetscErrorCode MatSolveAdd(Mat, Vec, Vec, Vec); 1564 PETSC_EXTERN PetscErrorCode MatSolveTranspose(Mat, Vec, Vec); 1565 PETSC_EXTERN PetscErrorCode MatSolveTransposeAdd(Mat, Vec, Vec, Vec); 1566 PETSC_EXTERN PetscErrorCode MatSolves(Mat, Vecs, Vecs); 1567 PETSC_EXTERN PetscErrorCode MatSetUnfactored(Mat); 1568 1569 typedef enum { 1570 MAT_FACTOR_SCHUR_UNFACTORED, 1571 MAT_FACTOR_SCHUR_FACTORED, 1572 MAT_FACTOR_SCHUR_INVERTED 1573 } MatFactorSchurStatus; 1574 PETSC_EXTERN PetscErrorCode MatFactorSetSchurIS(Mat, IS); 1575 PETSC_EXTERN PetscErrorCode MatFactorGetSchurComplement(Mat, Mat *, MatFactorSchurStatus *); 1576 PETSC_EXTERN PetscErrorCode MatFactorRestoreSchurComplement(Mat, Mat *, MatFactorSchurStatus); 1577 PETSC_EXTERN PetscErrorCode MatFactorInvertSchurComplement(Mat); 1578 PETSC_EXTERN PetscErrorCode MatFactorCreateSchurComplement(Mat, Mat *, MatFactorSchurStatus *); 1579 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplement(Mat, Vec, Vec); 1580 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplementTranspose(Mat, Vec, Vec); 1581 PETSC_EXTERN PetscErrorCode MatFactorFactorizeSchurComplement(Mat); 1582 1583 PETSC_EXTERN PetscErrorCode MatSeqDenseInvert(Mat); 1584 /*E 1585 MatSORType - What type of (S)SOR to perform 1586 1587 Values: 1588 + `SOR_FORWARD_SWEEP` - do a sweep from the first row of the matrix to the last 1589 . `SOR_BACKWARD_SWEEP` - do a sweep from the last row to the first 1590 . `SOR_SYMMETRIC_SWEEP` - do a sweep from the first row to the last and then back to the first 1591 . `SOR_LOCAL_FORWARD_SWEEP` - each MPI process does its own forward sweep with no communication 1592 . `SOR_LOCAL_BACKWARD_SWEEP` - each MPI process does its own backward sweep with no communication 1593 . `SOR_LOCAL_SYMMETRIC_SWEEP` - each MPI process does its own symmetric sweep with no communication 1594 . `SOR_ZERO_INITIAL_GUESS` - indicates the initial solution is zero so the sweep can avoid unneeded computation 1595 . `SOR_EISENSTAT` - apply the Eisentat application of SOR, see `PCEISENSTAT` 1596 . `SOR_APPLY_UPPER` - multiply by the upper triangular portion of the matrix 1597 - `SOR_APPLY_LOWER` - multiply by the lower triangular portion of the matrix 1598 1599 Level: beginner 1600 1601 Note: 1602 These may be bitwise ORd together 1603 1604 Developer Note: 1605 Since `MatSORType` may be bitwise ORd together, so do not change the numerical values below 1606 1607 .seealso: [](ch_matrices), `MatSOR()` 1608 E*/ 1609 typedef enum { 1610 SOR_FORWARD_SWEEP = 1, 1611 SOR_BACKWARD_SWEEP = 2, 1612 SOR_SYMMETRIC_SWEEP = 3, 1613 SOR_LOCAL_FORWARD_SWEEP = 4, 1614 SOR_LOCAL_BACKWARD_SWEEP = 8, 1615 SOR_LOCAL_SYMMETRIC_SWEEP = 12, 1616 SOR_ZERO_INITIAL_GUESS = 16, 1617 SOR_EISENSTAT = 32, 1618 SOR_APPLY_UPPER = 64, 1619 SOR_APPLY_LOWER = 128 1620 } MatSORType; 1621 PETSC_EXTERN PetscErrorCode MatSOR(Mat, Vec, PetscReal, MatSORType, PetscReal, PetscInt, PetscInt, Vec); 1622 1623 /*S 1624 MatColoring - Object for managing the coloring of matrices. 1625 1626 Level: beginner 1627 1628 Notes: 1629 Coloring of matrices can be computed directly from the sparse matrix nonzero structure via the `MatColoring` object or from the mesh from which the 1630 matrix comes from via `DMCreateColoring()`. In general using the mesh produces a more optimal coloring (fewer colors). 1631 1632 Once a coloring is available `MatFDColoringCreate()` creates an object that can be used to efficiently compute Jacobians using that coloring. This 1633 same object can also be used to efficiently convert data created by Automatic Differentiation tools to PETSc sparse matrices. 1634 1635 .seealso: [](ch_matrices), [](sec_graph), `MatFDColoringCreate()`, `MatColoringWeightType`, `ISColoring`, `MatFDColoring`, `DMCreateColoring()`, `MatColoringCreate()`, 1636 `MatPartitioning`, `MatColoringType`, `MatPartitioningType`, `MatOrderingType`, `MatColoringSetWeightType()`, 1637 `MatColoringSetWeights()`, `MatCoarsenType`, `MatCoarsen` 1638 S*/ 1639 typedef struct _p_MatColoring *MatColoring; 1640 1641 /*J 1642 MatColoringType - String with the name of a PETSc matrix coloring 1643 1644 Level: beginner 1645 1646 .seealso: [](ch_matrices), [](sec_graph), `Mat`, `MatFDColoringCreate()`, `MatColoringSetType()`, `MatColoring` 1647 J*/ 1648 typedef const char *MatColoringType; 1649 #define MATCOLORINGJP "jp" 1650 #define MATCOLORINGPOWER "power" 1651 #define MATCOLORINGNATURAL "natural" 1652 #define MATCOLORINGSL "sl" 1653 #define MATCOLORINGLF "lf" 1654 #define MATCOLORINGID "id" 1655 #define MATCOLORINGGREEDY "greedy" 1656 1657 /*E 1658 MatColoringWeightType - Type of weight scheme used for the coloring algorithm 1659 1660 Values: 1661 + `MAT_COLORING_RANDOM` - Random weights 1662 . `MAT_COLORING_LEXICAL` - Lexical weighting based upon global numbering. 1663 - `MAT_COLORING_LF` - Last-first weighting. 1664 1665 Level: intermediate 1666 1667 .seealso: [](ch_matrices), `MatColoring`, `MatColoringCreate()`, `MatColoringSetWeightType()`, `MatColoringSetWeights()` 1668 E*/ 1669 typedef enum { 1670 MAT_COLORING_WEIGHT_RANDOM, 1671 MAT_COLORING_WEIGHT_LEXICAL, 1672 MAT_COLORING_WEIGHT_LF, 1673 MAT_COLORING_WEIGHT_SL 1674 } MatColoringWeightType; 1675 1676 PETSC_EXTERN PetscErrorCode MatColoringCreate(Mat, MatColoring *); 1677 PETSC_EXTERN PetscErrorCode MatColoringGetDegrees(Mat, PetscInt, PetscInt *); 1678 PETSC_EXTERN PetscErrorCode MatColoringDestroy(MatColoring *); 1679 PETSC_EXTERN PetscErrorCode MatColoringView(MatColoring, PetscViewer); 1680 PETSC_EXTERN PetscErrorCode MatColoringSetType(MatColoring, MatColoringType); 1681 PETSC_EXTERN PetscErrorCode MatColoringSetFromOptions(MatColoring); 1682 PETSC_EXTERN PetscErrorCode MatColoringSetDistance(MatColoring, PetscInt); 1683 PETSC_EXTERN PetscErrorCode MatColoringGetDistance(MatColoring, PetscInt *); 1684 PETSC_EXTERN PetscErrorCode MatColoringSetMaxColors(MatColoring, PetscInt); 1685 PETSC_EXTERN PetscErrorCode MatColoringGetMaxColors(MatColoring, PetscInt *); 1686 PETSC_EXTERN PetscErrorCode MatColoringApply(MatColoring, ISColoring *); 1687 PETSC_EXTERN PetscErrorCode MatColoringRegister(const char[], PetscErrorCode (*)(MatColoring)); 1688 PETSC_EXTERN PetscErrorCode MatColoringPatch(Mat, PetscInt, PetscInt, ISColoringValue[], ISColoring *); 1689 PETSC_EXTERN PetscErrorCode MatColoringSetWeightType(MatColoring, MatColoringWeightType); 1690 PETSC_EXTERN PetscErrorCode MatColoringSetWeights(MatColoring, PetscReal *, PetscInt *); 1691 PETSC_EXTERN PetscErrorCode MatColoringCreateWeights(MatColoring, PetscReal **, PetscInt **lperm); 1692 PETSC_EXTERN PetscErrorCode MatColoringTest(MatColoring, ISColoring); 1693 PETSC_DEPRECATED_FUNCTION(3, 10, 0, "MatColoringTest()", ) static inline PetscErrorCode MatColoringTestValid(MatColoring matcoloring, ISColoring iscoloring) 1694 { 1695 return MatColoringTest(matcoloring, iscoloring); 1696 } 1697 PETSC_EXTERN PetscErrorCode MatISColoringTest(Mat, ISColoring); 1698 1699 /*S 1700 MatFDColoring - Object for computing a sparse Jacobian via finite differences with coloring 1701 1702 Level: beginner 1703 1704 Notes: 1705 This object is creating utilizing a coloring provided by the `MatColoring` object or `DMCreateColoring()` 1706 1707 The `SNES` option `-snes_fd_coloring` will cause the Jacobian needed by `SNES` to be computed via a use of this object 1708 1709 .seealso: [](ch_matrices), `Mat`, `MatFDColoringCreate()`, `MatFDColoringSetFunction()`, `MatColoring`, `DMCreateColoring()` 1710 S*/ 1711 typedef struct _p_MatFDColoring *MatFDColoring; 1712 1713 PETSC_EXTERN PetscErrorCode MatFDColoringCreate(Mat, ISColoring, MatFDColoring *); 1714 PETSC_EXTERN PetscErrorCode MatFDColoringDestroy(MatFDColoring *); 1715 PETSC_EXTERN PetscErrorCode MatFDColoringView(MatFDColoring, PetscViewer); 1716 PETSC_EXTERN PetscErrorCode MatFDColoringSetFunction(MatFDColoring, PetscErrorCode (*)(void), void *); 1717 PETSC_EXTERN PetscErrorCode MatFDColoringGetFunction(MatFDColoring, PetscErrorCode (**)(void), void **); 1718 PETSC_EXTERN PetscErrorCode MatFDColoringSetParameters(MatFDColoring, PetscReal, PetscReal); 1719 PETSC_EXTERN PetscErrorCode MatFDColoringSetFromOptions(MatFDColoring); 1720 PETSC_EXTERN PetscErrorCode MatFDColoringApply(Mat, MatFDColoring, Vec, void *); 1721 PETSC_EXTERN PetscErrorCode MatFDColoringSetF(MatFDColoring, Vec); 1722 PETSC_EXTERN PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring, PetscInt *, const PetscInt *[]); 1723 PETSC_EXTERN PetscErrorCode MatFDColoringSetUp(Mat, ISColoring, MatFDColoring); 1724 PETSC_EXTERN PetscErrorCode MatFDColoringSetBlockSize(MatFDColoring, PetscInt, PetscInt); 1725 PETSC_EXTERN PetscErrorCode MatFDColoringSetValues(Mat, MatFDColoring, const PetscScalar *); 1726 1727 /*S 1728 MatTransposeColoring - Object for computing a sparse matrix product $C = A*B^T$ via coloring 1729 1730 Level: developer 1731 1732 .seealso: [](ch_matrices), `Mat`, `MatProductType`, `MatTransposeColoringCreate()` 1733 S*/ 1734 typedef struct _p_MatTransposeColoring *MatTransposeColoring; 1735 1736 PETSC_EXTERN PetscErrorCode MatTransposeColoringCreate(Mat, ISColoring, MatTransposeColoring *); 1737 PETSC_EXTERN PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring, Mat, Mat); 1738 PETSC_EXTERN PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring, Mat, Mat); 1739 PETSC_EXTERN PetscErrorCode MatTransposeColoringDestroy(MatTransposeColoring *); 1740 1741 /*S 1742 MatPartitioning - Object for managing the partitioning of a matrix or graph 1743 1744 Level: beginner 1745 1746 Note: 1747 There is also a `PetscPartitioner` object that provides the same functionality. It can utilize the `MatPartitioning` operations 1748 via `PetscPartitionerSetType`(p,`PETSCPARTITIONERMATPARTITIONING`) 1749 1750 Developer Note: 1751 It is an extra maintenance and documentation cost to have two objects with the same functionality. `PetscPartitioner` should be removed 1752 1753 .seealso: [](ch_matrices), [](sec_graph), `Mat`, `MatPartitioningCreate()`, `MatPartitioningType`, `MatColoring`, `MatGetOrdering()`, `MatOrderingType`, 1754 `MatCoarsenType`, `MatCoarsenType` 1755 S*/ 1756 typedef struct _p_MatPartitioning *MatPartitioning; 1757 1758 /*J 1759 MatPartitioningType - String with the name of a PETSc matrix partitioning 1760 1761 Level: beginner 1762 dm 1763 .seealso: [](ch_matrices), [](sec_graph), `Mat`, `MatPartitioningCreate()`, `MatPartitioning`, `MatPartitioningSetType()`, `MatColoringType`, `MatOrderingType`, 1764 `MatCoarsenType`, `MatCoarsenType` 1765 J*/ 1766 typedef const char *MatPartitioningType; 1767 #define MATPARTITIONINGCURRENT "current" 1768 #define MATPARTITIONINGAVERAGE "average" 1769 #define MATPARTITIONINGSQUARE "square" 1770 #define MATPARTITIONINGPARMETIS "parmetis" 1771 #define MATPARTITIONINGCHACO "chaco" 1772 #define MATPARTITIONINGPARTY "party" 1773 #define MATPARTITIONINGPTSCOTCH "ptscotch" 1774 #define MATPARTITIONINGHIERARCH "hierarch" 1775 1776 PETSC_EXTERN PetscErrorCode MatPartitioningCreate(MPI_Comm, MatPartitioning *); 1777 PETSC_EXTERN PetscErrorCode MatPartitioningSetType(MatPartitioning, MatPartitioningType); 1778 PETSC_EXTERN PetscErrorCode MatPartitioningSetNParts(MatPartitioning, PetscInt); 1779 PETSC_EXTERN PetscErrorCode MatPartitioningSetAdjacency(MatPartitioning, Mat); 1780 PETSC_EXTERN PetscErrorCode MatPartitioningSetNumberVertexWeights(MatPartitioning, PetscInt); 1781 PETSC_EXTERN PetscErrorCode MatPartitioningSetVertexWeights(MatPartitioning, const PetscInt[]); 1782 PETSC_EXTERN PetscErrorCode MatPartitioningSetPartitionWeights(MatPartitioning, const PetscReal[]); 1783 PETSC_EXTERN PetscErrorCode MatPartitioningSetUseEdgeWeights(MatPartitioning, PetscBool); 1784 PETSC_EXTERN PetscErrorCode MatPartitioningGetUseEdgeWeights(MatPartitioning, PetscBool *); 1785 PETSC_EXTERN PetscErrorCode MatPartitioningApply(MatPartitioning, IS *); 1786 PETSC_EXTERN PetscErrorCode MatPartitioningImprove(MatPartitioning, IS *); 1787 PETSC_EXTERN PetscErrorCode MatPartitioningViewImbalance(MatPartitioning, IS); 1788 PETSC_EXTERN PetscErrorCode MatPartitioningApplyND(MatPartitioning, IS *); 1789 PETSC_EXTERN PetscErrorCode MatPartitioningDestroy(MatPartitioning *); 1790 PETSC_EXTERN PetscErrorCode MatPartitioningRegister(const char[], PetscErrorCode (*)(MatPartitioning)); 1791 PETSC_EXTERN PetscErrorCode MatPartitioningView(MatPartitioning, PetscViewer); 1792 PETSC_EXTERN PetscErrorCode MatPartitioningViewFromOptions(MatPartitioning, PetscObject, const char[]); 1793 PETSC_EXTERN PetscErrorCode MatPartitioningSetFromOptions(MatPartitioning); 1794 PETSC_EXTERN PetscErrorCode MatPartitioningGetType(MatPartitioning, MatPartitioningType *); 1795 1796 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetRepartition(MatPartitioning part); 1797 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetCoarseSequential(MatPartitioning); 1798 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisGetEdgeCut(MatPartitioning, PetscInt *); 1799 1800 typedef enum { 1801 MP_CHACO_MULTILEVEL = 1, 1802 MP_CHACO_SPECTRAL = 2, 1803 MP_CHACO_LINEAR = 4, 1804 MP_CHACO_RANDOM = 5, 1805 MP_CHACO_SCATTERED = 6 1806 } MPChacoGlobalType; 1807 PETSC_EXTERN const char *const MPChacoGlobalTypes[]; 1808 typedef enum { 1809 MP_CHACO_KERNIGHAN = 1, 1810 MP_CHACO_NONE = 2 1811 } MPChacoLocalType; 1812 PETSC_EXTERN const char *const MPChacoLocalTypes[]; 1813 typedef enum { 1814 MP_CHACO_LANCZOS = 0, 1815 MP_CHACO_RQI = 1 1816 } MPChacoEigenType; 1817 PETSC_EXTERN const char *const MPChacoEigenTypes[]; 1818 1819 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetGlobal(MatPartitioning, MPChacoGlobalType); 1820 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetGlobal(MatPartitioning, MPChacoGlobalType *); 1821 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetLocal(MatPartitioning, MPChacoLocalType); 1822 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetLocal(MatPartitioning, MPChacoLocalType *); 1823 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetCoarseLevel(MatPartitioning, PetscReal); 1824 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning, MPChacoEigenType); 1825 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenSolver(MatPartitioning, MPChacoEigenType *); 1826 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning, PetscReal); 1827 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenTol(MatPartitioning, PetscReal *); 1828 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenNumber(MatPartitioning, PetscInt); 1829 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenNumber(MatPartitioning, PetscInt *); 1830 1831 #define MP_PARTY_OPT "opt" 1832 #define MP_PARTY_LIN "lin" 1833 #define MP_PARTY_SCA "sca" 1834 #define MP_PARTY_RAN "ran" 1835 #define MP_PARTY_GBF "gbf" 1836 #define MP_PARTY_GCF "gcf" 1837 #define MP_PARTY_BUB "bub" 1838 #define MP_PARTY_DEF "def" 1839 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetGlobal(MatPartitioning, const char *); 1840 #define MP_PARTY_HELPFUL_SETS "hs" 1841 #define MP_PARTY_KERNIGHAN_LIN "kl" 1842 #define MP_PARTY_NONE "no" 1843 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetLocal(MatPartitioning, const char *); 1844 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetCoarseLevel(MatPartitioning, PetscReal); 1845 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetBipart(MatPartitioning, PetscBool); 1846 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetMatchOptimization(MatPartitioning, PetscBool); 1847 1848 typedef enum { 1849 MP_PTSCOTCH_DEFAULT, 1850 MP_PTSCOTCH_QUALITY, 1851 MP_PTSCOTCH_SPEED, 1852 MP_PTSCOTCH_BALANCE, 1853 MP_PTSCOTCH_SAFETY, 1854 MP_PTSCOTCH_SCALABILITY 1855 } MPPTScotchStrategyType; 1856 PETSC_EXTERN const char *const MPPTScotchStrategyTypes[]; 1857 1858 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning, PetscReal); 1859 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetImbalance(MatPartitioning, PetscReal *); 1860 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning, MPPTScotchStrategyType); 1861 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetStrategy(MatPartitioning, MPPTScotchStrategyType *); 1862 1863 /* 1864 * hierarchical partitioning 1865 */ 1866 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetFineparts(MatPartitioning, IS *); 1867 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetCoarseparts(MatPartitioning, IS *); 1868 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNcoarseparts(MatPartitioning, PetscInt); 1869 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNfineparts(MatPartitioning, PetscInt); 1870 1871 PETSC_EXTERN PetscErrorCode MatMeshToCellGraph(Mat, PetscInt, Mat *); 1872 1873 /* 1874 If you add entries here you must also add them to src/mat/f90-mod/petscmat.h 1875 If any of the enum values are changed, also update dMatOps dict at src/binding/petsc4py/src/libpetsc4py/libpetsc4py.pyx 1876 */ 1877 typedef enum { 1878 MATOP_SET_VALUES = 0, 1879 MATOP_GET_ROW = 1, 1880 MATOP_RESTORE_ROW = 2, 1881 MATOP_MULT = 3, 1882 MATOP_MULT_ADD = 4, 1883 MATOP_MULT_TRANSPOSE = 5, 1884 MATOP_MULT_TRANSPOSE_ADD = 6, 1885 MATOP_SOLVE = 7, 1886 MATOP_SOLVE_ADD = 8, 1887 MATOP_SOLVE_TRANSPOSE = 9, 1888 MATOP_SOLVE_TRANSPOSE_ADD = 10, 1889 MATOP_LUFACTOR = 11, 1890 MATOP_CHOLESKYFACTOR = 12, 1891 MATOP_SOR = 13, 1892 MATOP_TRANSPOSE = 14, 1893 MATOP_GETINFO = 15, 1894 MATOP_EQUAL = 16, 1895 MATOP_GET_DIAGONAL = 17, 1896 MATOP_DIAGONAL_SCALE = 18, 1897 MATOP_NORM = 19, 1898 MATOP_ASSEMBLY_BEGIN = 20, 1899 MATOP_ASSEMBLY_END = 21, 1900 MATOP_SET_OPTION = 22, 1901 MATOP_ZERO_ENTRIES = 23, 1902 MATOP_ZERO_ROWS = 24, 1903 MATOP_LUFACTOR_SYMBOLIC = 25, 1904 MATOP_LUFACTOR_NUMERIC = 26, 1905 MATOP_CHOLESKY_FACTOR_SYMBOLIC = 27, 1906 MATOP_CHOLESKY_FACTOR_NUMERIC = 28, 1907 MATOP_SETUP = 29, 1908 MATOP_ILUFACTOR_SYMBOLIC = 30, 1909 MATOP_ICCFACTOR_SYMBOLIC = 31, 1910 MATOP_GET_DIAGONAL_BLOCK = 32, 1911 MATOP_SET_INF = 33, 1912 MATOP_DUPLICATE = 34, 1913 MATOP_FORWARD_SOLVE = 35, 1914 MATOP_BACKWARD_SOLVE = 36, 1915 MATOP_ILUFACTOR = 37, 1916 MATOP_ICCFACTOR = 38, 1917 MATOP_AXPY = 39, 1918 MATOP_CREATE_SUBMATRICES = 40, 1919 MATOP_INCREASE_OVERLAP = 41, 1920 MATOP_GET_VALUES = 42, 1921 MATOP_COPY = 43, 1922 MATOP_GET_ROW_MAX = 44, 1923 MATOP_SCALE = 45, 1924 MATOP_SHIFT = 46, 1925 MATOP_DIAGONAL_SET = 47, 1926 MATOP_ZERO_ROWS_COLUMNS = 48, 1927 MATOP_SET_RANDOM = 49, 1928 MATOP_GET_ROW_IJ = 50, 1929 MATOP_RESTORE_ROW_IJ = 51, 1930 MATOP_GET_COLUMN_IJ = 52, 1931 MATOP_RESTORE_COLUMN_IJ = 53, 1932 MATOP_FDCOLORING_CREATE = 54, 1933 MATOP_COLORING_PATCH = 55, 1934 MATOP_SET_UNFACTORED = 56, 1935 MATOP_PERMUTE = 57, 1936 MATOP_SET_VALUES_BLOCKED = 58, 1937 MATOP_CREATE_SUBMATRIX = 59, 1938 MATOP_DESTROY = 60, 1939 MATOP_VIEW = 61, 1940 MATOP_CONVERT_FROM = 62, 1941 /* MATOP_PLACEHOLDER_63=63 */ 1942 MATOP_MATMAT_MULT_SYMBOLIC = 64, 1943 MATOP_MATMAT_MULT_NUMERIC = 65, 1944 MATOP_SET_LOCAL_TO_GLOBAL_MAP = 66, 1945 MATOP_SET_VALUES_LOCAL = 67, 1946 MATOP_ZERO_ROWS_LOCAL = 68, 1947 MATOP_GET_ROW_MAX_ABS = 69, 1948 MATOP_GET_ROW_MIN_ABS = 70, 1949 MATOP_CONVERT = 71, 1950 MATOP_HAS_OPERATION = 72, 1951 /* MATOP_PLACEHOLDER_73=73, */ 1952 MATOP_SET_VALUES_ADIFOR = 74, 1953 MATOP_FD_COLORING_APPLY = 75, 1954 MATOP_SET_FROM_OPTIONS = 76, 1955 /* MATOP_PLACEHOLDER_77=77, */ 1956 /* MATOP_PLACEHOLDER_78=78, */ 1957 MATOP_FIND_ZERO_DIAGONALS = 79, 1958 MATOP_MULT_MULTIPLE = 80, 1959 MATOP_SOLVE_MULTIPLE = 81, 1960 MATOP_GET_INERTIA = 82, 1961 MATOP_LOAD = 83, 1962 MATOP_IS_SYMMETRIC = 84, 1963 MATOP_IS_HERMITIAN = 85, 1964 MATOP_IS_STRUCTURALLY_SYMMETRIC = 86, 1965 MATOP_SET_VALUES_BLOCKEDLOCAL = 87, 1966 MATOP_CREATE_VECS = 88, 1967 /* MATOP_PLACEHOLDER_89=89, */ 1968 MATOP_MAT_MULT_SYMBOLIC = 90, 1969 MATOP_MAT_MULT_NUMERIC = 91, 1970 /* MATOP_PLACEHOLDER_92=92, */ 1971 MATOP_PTAP_SYMBOLIC = 93, 1972 MATOP_PTAP_NUMERIC = 94, 1973 /* MATOP_PLACEHOLDER_95=95, */ 1974 MATOP_MAT_TRANSPOSE_MULT_SYMBO = 96, 1975 MATOP_MAT_TRANSPOSE_MULT_NUMER = 97, 1976 MATOP_BIND_TO_CPU = 98, 1977 MATOP_PRODUCTSETFROMOPTIONS = 99, 1978 MATOP_PRODUCTSYMBOLIC = 100, 1979 MATOP_PRODUCTNUMERIC = 101, 1980 MATOP_CONJUGATE = 102, 1981 MATOP_VIEW_NATIVE = 103, 1982 MATOP_SET_VALUES_ROW = 104, 1983 MATOP_REAL_PART = 105, 1984 MATOP_IMAGINARY_PART = 106, 1985 MATOP_GET_ROW_UPPER_TRIANGULAR = 107, 1986 MATOP_RESTORE_ROW_UPPER_TRIANG = 108, 1987 MATOP_MAT_SOLVE = 109, 1988 MATOP_MAT_SOLVE_TRANSPOSE = 110, 1989 MATOP_GET_ROW_MIN = 111, 1990 MATOP_GET_COLUMN_VECTOR = 112, 1991 MATOP_MISSING_DIAGONAL = 113, 1992 MATOP_GET_SEQ_NONZERO_STRUCTUR = 114, 1993 MATOP_CREATE = 115, 1994 MATOP_GET_GHOSTS = 116, 1995 MATOP_GET_LOCAL_SUB_MATRIX = 117, 1996 MATOP_RESTORE_LOCALSUB_MATRIX = 118, 1997 MATOP_MULT_DIAGONAL_BLOCK = 119, 1998 MATOP_HERMITIAN_TRANSPOSE = 120, 1999 MATOP_MULT_HERMITIAN_TRANSPOSE = 121, 2000 MATOP_MULT_HERMITIAN_TRANS_ADD = 122, 2001 MATOP_GET_MULTI_PROC_BLOCK = 123, 2002 MATOP_FIND_NONZERO_ROWS = 124, 2003 MATOP_GET_COLUMN_NORMS = 125, 2004 MATOP_INVERT_BLOCK_DIAGONAL = 126, 2005 MATOP_INVERT_VBLOCK_DIAGONAL = 127, 2006 MATOP_CREATE_SUB_MATRICES_MPI = 128, 2007 MATOP_SET_VALUES_BATCH = 129, 2008 /* MATOP_PLACEHOLDER_130=130, */ 2009 MATOP_TRANSPOSE_MAT_MULT_SYMBO = 131, 2010 MATOP_TRANSPOSE_MAT_MULT_NUMER = 132, 2011 MATOP_TRANSPOSE_COLORING_CREAT = 133, 2012 MATOP_TRANS_COLORING_APPLY_SPT = 134, 2013 MATOP_TRANS_COLORING_APPLY_DEN = 135, 2014 /* MATOP_PLACEHOLDER_136=136, */ 2015 MATOP_RART_SYMBOLIC = 137, 2016 MATOP_RART_NUMERIC = 138, 2017 MATOP_SET_BLOCK_SIZES = 139, 2018 MATOP_AYPX = 140, 2019 MATOP_RESIDUAL = 141, 2020 MATOP_FDCOLORING_SETUP = 142, 2021 MATOP_FIND_OFFBLOCK_ENTRIES = 143, 2022 MATOP_MPICONCATENATESEQ = 144, 2023 MATOP_DESTROYSUBMATRICES = 145, 2024 MATOP_TRANSPOSE_SOLVE = 146, 2025 MATOP_GET_VALUES_LOCAL = 147 2026 } MatOperation; 2027 PETSC_EXTERN PetscErrorCode MatSetOperation(Mat, MatOperation, void (*)(void)); 2028 PETSC_EXTERN PetscErrorCode MatGetOperation(Mat, MatOperation, void (**)(void)); 2029 PETSC_EXTERN PetscErrorCode MatHasOperation(Mat, MatOperation, PetscBool *); 2030 PETSC_EXTERN PetscErrorCode MatHasCongruentLayouts(Mat, PetscBool *); 2031 PETSC_DEPRECATED_FUNCTION(3, 14, 0, "MatProductClear()", ) static inline PetscErrorCode MatFreeIntermediateDataStructures(Mat A) 2032 { 2033 return MatProductClear(A); 2034 } 2035 PETSC_EXTERN PetscErrorCode MatShellSetOperation(Mat, MatOperation, void (*)(void)); 2036 PETSC_EXTERN PetscErrorCode MatShellGetOperation(Mat, MatOperation, void (**)(void)); 2037 PETSC_EXTERN PetscErrorCode MatShellSetContext(Mat, void *); 2038 PETSC_EXTERN PetscErrorCode MatShellSetContextDestroy(Mat, PetscErrorCode (*)(void *)); 2039 PETSC_EXTERN PetscErrorCode MatShellSetVecType(Mat, VecType); 2040 PETSC_EXTERN PetscErrorCode MatShellTestMult(Mat, PetscErrorCode (*)(void *, Vec, Vec), Vec, void *, PetscBool *); 2041 PETSC_EXTERN PetscErrorCode MatShellTestMultTranspose(Mat, PetscErrorCode (*)(void *, Vec, Vec), Vec, void *, PetscBool *); 2042 PETSC_EXTERN PetscErrorCode MatShellSetManageScalingShifts(Mat); 2043 PETSC_EXTERN PetscErrorCode MatShellSetMatProductOperation(Mat, MatProductType, PetscErrorCode (*)(Mat, Mat, Mat, void **), PetscErrorCode (*)(Mat, Mat, Mat, void *), PetscErrorCode (*)(void *), MatType, MatType); 2044 PETSC_EXTERN PetscErrorCode MatIsShell(Mat, PetscBool *); 2045 2046 /* 2047 Codes for matrices stored on disk. By default they are 2048 stored in a universal format. By changing the format with 2049 PetscViewerPushFormat(viewer,PETSC_VIEWER_NATIVE); the matrices will 2050 be stored in a way natural for the matrix, for example dense matrices 2051 would be stored as dense. Matrices stored this way may only be 2052 read into matrices of the same type. 2053 */ 2054 #define MATRIX_BINARY_FORMAT_DENSE -1 2055 2056 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat, PetscReal); 2057 2058 PETSC_EXTERN PetscErrorCode MatISSetLocalMatType(Mat, MatType); 2059 PETSC_EXTERN PetscErrorCode MatISSetPreallocation(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[]); 2060 PETSC_EXTERN PetscErrorCode MatISSetAllowRepeated(Mat, PetscBool); 2061 PETSC_EXTERN PetscErrorCode MatISGetAllowRepeated(Mat, PetscBool *); 2062 PETSC_EXTERN PetscErrorCode MatISStoreL2L(Mat, PetscBool); 2063 PETSC_EXTERN PetscErrorCode MatISFixLocalEmpty(Mat, PetscBool); 2064 PETSC_EXTERN PetscErrorCode MatISGetLocalMat(Mat, Mat *); 2065 PETSC_EXTERN PetscErrorCode MatISRestoreLocalMat(Mat, Mat *); 2066 PETSC_EXTERN PetscErrorCode MatISSetLocalMat(Mat, Mat); 2067 PETSC_EXTERN PetscErrorCode MatISGetLocalToGlobalMapping(Mat, ISLocalToGlobalMapping *, ISLocalToGlobalMapping *); 2068 2069 /*S 2070 MatNullSpace - Object that removes a null space from a vector, i.e. 2071 orthogonalizes the vector to a subspace 2072 2073 Level: advanced 2074 2075 .seealso: [](ch_matrices), `Mat`, `MatNullSpaceCreate()`, `MatNullSpaceSetFunction()`, `MatGetNullSpace()`, `MatSetNullSpace()` 2076 S*/ 2077 typedef struct _p_MatNullSpace *MatNullSpace; 2078 2079 PETSC_EXTERN PetscErrorCode MatNullSpaceCreate(MPI_Comm, PetscBool, PetscInt, const Vec[], MatNullSpace *); 2080 PETSC_EXTERN PetscErrorCode MatNullSpaceSetFunction(MatNullSpace, PetscErrorCode (*)(MatNullSpace, Vec, void *), void *); 2081 PETSC_EXTERN PetscErrorCode MatNullSpaceDestroy(MatNullSpace *); 2082 PETSC_EXTERN PetscErrorCode MatNullSpaceRemove(MatNullSpace, Vec); 2083 PETSC_EXTERN PetscErrorCode MatGetNullSpace(Mat, MatNullSpace *); 2084 PETSC_EXTERN PetscErrorCode MatGetTransposeNullSpace(Mat, MatNullSpace *); 2085 PETSC_EXTERN PetscErrorCode MatSetTransposeNullSpace(Mat, MatNullSpace); 2086 PETSC_EXTERN PetscErrorCode MatSetNullSpace(Mat, MatNullSpace); 2087 PETSC_EXTERN PetscErrorCode MatSetNearNullSpace(Mat, MatNullSpace); 2088 PETSC_EXTERN PetscErrorCode MatGetNearNullSpace(Mat, MatNullSpace *); 2089 PETSC_EXTERN PetscErrorCode MatGetNullSpaces(PetscInt, Mat[], MatNullSpace *[]); 2090 PETSC_EXTERN PetscErrorCode MatRestoreNullSpaces(PetscInt, Mat[], MatNullSpace *[]); 2091 PETSC_EXTERN PetscErrorCode MatNullSpaceTest(MatNullSpace, Mat, PetscBool *); 2092 PETSC_EXTERN PetscErrorCode MatNullSpaceView(MatNullSpace, PetscViewer); 2093 PETSC_EXTERN PetscErrorCode MatNullSpaceGetVecs(MatNullSpace, PetscBool *, PetscInt *, const Vec **); 2094 PETSC_EXTERN PetscErrorCode MatNullSpaceCreateRigidBody(Vec, MatNullSpace *); 2095 2096 PETSC_EXTERN PetscErrorCode MatReorderingSeqSBAIJ(Mat, IS); 2097 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetHashTableFactor(Mat, PetscReal); 2098 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetColumnIndices(Mat, PetscInt *); 2099 2100 PETSC_EXTERN PetscErrorCode MatCreateMAIJ(Mat, PetscInt, Mat *); 2101 PETSC_EXTERN PetscErrorCode MatMAIJRedimension(Mat, PetscInt, Mat *); 2102 PETSC_EXTERN PetscErrorCode MatMAIJGetAIJ(Mat, Mat *); 2103 2104 PETSC_EXTERN PetscErrorCode MatComputeOperator(Mat, MatType, Mat *); 2105 PETSC_EXTERN PetscErrorCode MatComputeOperatorTranspose(Mat, MatType, Mat *); 2106 2107 PETSC_DEPRECATED_FUNCTION(3, 12, 0, "MatComputeOperator()", ) static inline PetscErrorCode MatComputeExplicitOperator(Mat A, Mat *B) 2108 { 2109 return MatComputeOperator(A, PETSC_NULLPTR, B); 2110 } 2111 PETSC_DEPRECATED_FUNCTION(3, 12, 0, "MatComputeOperatorTranspose()", ) static inline PetscErrorCode MatComputeExplicitOperatorTranspose(Mat A, Mat *B) 2112 { 2113 return MatComputeOperatorTranspose(A, PETSC_NULLPTR, B); 2114 } 2115 2116 PETSC_EXTERN PetscErrorCode MatCreateKAIJ(Mat, PetscInt, PetscInt, const PetscScalar[], const PetscScalar[], Mat *); 2117 PETSC_EXTERN PetscErrorCode MatKAIJGetAIJ(Mat, Mat *); 2118 PETSC_EXTERN PetscErrorCode MatKAIJGetS(Mat, PetscInt *, PetscInt *, PetscScalar **); 2119 PETSC_EXTERN PetscErrorCode MatKAIJGetSRead(Mat, PetscInt *, PetscInt *, const PetscScalar **); 2120 PETSC_EXTERN PetscErrorCode MatKAIJRestoreS(Mat, PetscScalar **); 2121 PETSC_EXTERN PetscErrorCode MatKAIJRestoreSRead(Mat, const PetscScalar **); 2122 PETSC_EXTERN PetscErrorCode MatKAIJGetT(Mat, PetscInt *, PetscInt *, PetscScalar **); 2123 PETSC_EXTERN PetscErrorCode MatKAIJGetTRead(Mat, PetscInt *, PetscInt *, const PetscScalar **); 2124 PETSC_EXTERN PetscErrorCode MatKAIJRestoreT(Mat, PetscScalar **); 2125 PETSC_EXTERN PetscErrorCode MatKAIJRestoreTRead(Mat, const PetscScalar **); 2126 PETSC_EXTERN PetscErrorCode MatKAIJSetAIJ(Mat, Mat); 2127 PETSC_EXTERN PetscErrorCode MatKAIJSetS(Mat, PetscInt, PetscInt, const PetscScalar[]); 2128 PETSC_EXTERN PetscErrorCode MatKAIJSetT(Mat, PetscInt, PetscInt, const PetscScalar[]); 2129 PETSC_EXTERN PetscErrorCode MatKAIJGetScaledIdentity(Mat, PetscBool *); 2130 2131 PETSC_EXTERN PetscErrorCode MatDiagonalScaleLocal(Mat, Vec); 2132 2133 PETSC_EXTERN PetscErrorCode MatMFFDInitializePackage(void); 2134 PETSC_EXTERN PetscErrorCode MatMFFDFinalizePackage(void); 2135 2136 PETSC_EXTERN PetscErrorCode MatCreateMFFD(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, Mat *); 2137 PETSC_EXTERN PetscErrorCode MatMFFDSetBase(Mat, Vec, Vec); 2138 PETSC_EXTERN PetscErrorCode MatMFFDSetFunction(Mat, PetscErrorCode (*)(void *, Vec, Vec), void *); 2139 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioni(Mat, PetscErrorCode (*)(void *, PetscInt, Vec, PetscScalar *)); 2140 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioniBase(Mat, PetscErrorCode (*)(void *, Vec)); 2141 PETSC_EXTERN PetscErrorCode MatMFFDSetHHistory(Mat, PetscScalar[], PetscInt); 2142 PETSC_EXTERN PetscErrorCode MatMFFDResetHHistory(Mat); 2143 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctionError(Mat, PetscReal); 2144 PETSC_EXTERN PetscErrorCode MatMFFDSetPeriod(Mat, PetscInt); 2145 PETSC_EXTERN PetscErrorCode MatMFFDGetH(Mat, PetscScalar *); 2146 PETSC_EXTERN PetscErrorCode MatMFFDSetOptionsPrefix(Mat, const char[]); 2147 PETSC_EXTERN PetscErrorCode MatMFFDCheckPositivity(void *, Vec, Vec, PetscScalar *); 2148 PETSC_EXTERN PetscErrorCode MatMFFDSetCheckh(Mat, PetscErrorCode (*)(void *, Vec, Vec, PetscScalar *), void *); 2149 2150 /*S 2151 MatMFFD - A data structured used to manage the computation of the h differencing parameter for matrix-free 2152 Jacobian vector products 2153 2154 Level: developer 2155 2156 Notes: 2157 `MATMFFD` is a specific `MatType` which uses the `MatMFFD` data structure 2158 2159 MatMFFD*() methods actually take the `Mat` as their first argument. Not a `MatMFFD` data structure 2160 2161 This functionality is often obtained using `MatCreateSNESMF()` or with `SNES` solvers using `-snes_mf` or `-snes_mf_operator` 2162 2163 .seealso: [](ch_matrices), `MatMFFDType`, `MATMFFD`, `MatCreateMFFD()`, `MatMFFDSetFuction()`, `MatMFFDSetType()`, `MatMFFDRegister()`, 2164 `MatCreateSNESMF()`, `SNES`, `-snes_mf`, `-snes_mf_operator` 2165 S*/ 2166 typedef struct _p_MatMFFD *MatMFFD; 2167 2168 /*J 2169 MatMFFDType - algorithm used to compute the `h` used in computing matrix-vector products via differencing of a function 2170 2171 Values: 2172 + `MATMFFD_DS` - an algorithm described by Dennis and Schnabel {cite}`dennis:83` 2173 - `MATMFFD_WP` - the Walker-Pernice {cite}`pw98` strategy. 2174 2175 Level: beginner 2176 2177 .seealso: [](ch_matrices), `MatMFFDSetType()`, `MatMFFDRegister()`, `MatMFFDSetFunction()`, `MatCreateMFFD()` 2178 J*/ 2179 typedef const char *MatMFFDType; 2180 #define MATMFFD_DS "ds" 2181 #define MATMFFD_WP "wp" 2182 2183 PETSC_EXTERN PetscErrorCode MatMFFDSetType(Mat, MatMFFDType); 2184 PETSC_EXTERN PetscErrorCode MatMFFDRegister(const char[], PetscErrorCode (*)(MatMFFD)); 2185 2186 PETSC_EXTERN PetscErrorCode MatMFFDDSSetUmin(Mat, PetscReal); 2187 PETSC_EXTERN PetscErrorCode MatMFFDWPSetComputeNormU(Mat, PetscBool); 2188 2189 PETSC_EXTERN PetscErrorCode MatFDColoringSetType(MatFDColoring, MatMFFDType); 2190 2191 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutMatrix(PetscViewer, PetscInt, PetscInt, PetscReal *); 2192 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutCSRMatrix(PetscViewer, PetscInt, PetscInt, PetscInt *, PetscInt *, PetscReal *); 2193 2194 #ifdef PETSC_HAVE_H2OPUS 2195 PETSC_EXTERN_TYPEDEF typedef PetscScalar(MatH2OpusKernelFn)(PetscInt, PetscReal[], PetscReal[], void *); 2196 PETSC_EXTERN_TYPEDEF typedef MatH2OpusKernelFn *MatH2OpusKernel; 2197 PETSC_EXTERN PetscErrorCode MatCreateH2OpusFromKernel(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscReal[], PetscBool, MatH2OpusKernelFn *, void *, PetscReal, PetscInt, PetscInt, Mat *); 2198 PETSC_EXTERN PetscErrorCode MatCreateH2OpusFromMat(Mat, PetscInt, const PetscReal[], PetscBool, PetscReal, PetscInt, PetscInt, PetscInt, PetscReal, Mat *); 2199 PETSC_EXTERN PetscErrorCode MatH2OpusSetSamplingMat(Mat, Mat, PetscInt, PetscReal); 2200 PETSC_EXTERN PetscErrorCode MatH2OpusOrthogonalize(Mat); 2201 PETSC_EXTERN PetscErrorCode MatH2OpusCompress(Mat, PetscReal); 2202 PETSC_EXTERN PetscErrorCode MatH2OpusSetNativeMult(Mat, PetscBool); 2203 PETSC_EXTERN PetscErrorCode MatH2OpusGetNativeMult(Mat, PetscBool *); 2204 PETSC_EXTERN PetscErrorCode MatH2OpusGetIndexMap(Mat, IS *); 2205 PETSC_EXTERN PetscErrorCode MatH2OpusMapVec(Mat, PetscBool, Vec, Vec *); 2206 PETSC_EXTERN PetscErrorCode MatH2OpusLowRankUpdate(Mat, Mat, Mat, PetscScalar); 2207 #endif 2208 2209 #ifdef PETSC_HAVE_HTOOL 2210 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode(MatHtoolKernelFn)(PetscInt, PetscInt, PetscInt, const PetscInt *, const PetscInt *, PetscScalar *, void *); 2211 PETSC_EXTERN_TYPEDEF typedef MatHtoolKernelFn *MatHtoolKernel; 2212 PETSC_EXTERN PetscErrorCode MatCreateHtoolFromKernel(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscReal[], const PetscReal[], MatHtoolKernelFn *, void *, Mat *); 2213 PETSC_EXTERN PetscErrorCode MatHtoolSetKernel(Mat, MatHtoolKernelFn *, void *); 2214 PETSC_EXTERN PetscErrorCode MatHtoolGetPermutationSource(Mat, IS *); 2215 PETSC_EXTERN PetscErrorCode MatHtoolGetPermutationTarget(Mat, IS *); 2216 PETSC_EXTERN PetscErrorCode MatHtoolUsePermutation(Mat, PetscBool); 2217 2218 /*E 2219 MatHtoolCompressorType - Indicates the type of compressor used by a `MATHTOOL` 2220 2221 Values: 2222 + `MAT_HTOOL_COMPRESSOR_SYMPARTIAL_ACA` (default) - symmetric partial adaptive cross approximation 2223 . `MAT_HTOOL_COMPRESSOR_FULL_ACA` - full adaptive cross approximation 2224 - `MAT_HTOOL_COMPRESSOR_SVD` - singular value decomposition 2225 2226 Level: intermediate 2227 2228 .seealso: [](ch_matrices), `Mat`, `MatCreateHtoolFromKernel()`, `MATHTOOL`, `MatHtoolClusteringType` 2229 E*/ 2230 typedef enum { 2231 MAT_HTOOL_COMPRESSOR_SYMPARTIAL_ACA, 2232 MAT_HTOOL_COMPRESSOR_FULL_ACA, 2233 MAT_HTOOL_COMPRESSOR_SVD 2234 } MatHtoolCompressorType; 2235 2236 /*E 2237 MatHtoolClusteringType - Indicates the type of clustering used by a `MATHTOOL` 2238 2239 Values: 2240 + `MAT_HTOOL_CLUSTERING_PCA_REGULAR` (default) - axis computed via principle component analysis, split uniformly 2241 . `MAT_HTOOL_CLUSTERING_PCA_GEOMETRIC` - axis computed via principle component analysis, split barycentrically 2242 . `MAT_HTOOL_CLUSTERING_BOUNDING_BOX_1_REGULAR` - axis along the largest extent of the bounding box, split uniformly 2243 - `MAT_HTOOL_CLUSTERING_BOUNDING_BOX_1_GEOMETRIC` - axis along the largest extent of the bounding box, split barycentrically 2244 2245 Level: intermediate 2246 2247 Note: 2248 Higher-dimensional clustering is not yet supported in Htool, but once it is, one should add BOUNDING_BOX_{2,3} types 2249 2250 .seealso: [](ch_matrices), `Mat`, `MatCreateHtoolFromKernel()`, `MATHTOOL`, `MatHtoolCompressorType` 2251 E*/ 2252 typedef enum { 2253 MAT_HTOOL_CLUSTERING_PCA_REGULAR, 2254 MAT_HTOOL_CLUSTERING_PCA_GEOMETRIC, 2255 MAT_HTOOL_CLUSTERING_BOUNDING_BOX_1_REGULAR, 2256 MAT_HTOOL_CLUSTERING_BOUNDING_BOX_1_GEOMETRIC 2257 } MatHtoolClusteringType; 2258 #endif 2259 2260 #ifdef PETSC_HAVE_MUMPS 2261 PETSC_EXTERN PetscErrorCode MatMumpsSetIcntl(Mat, PetscInt, PetscInt); 2262 PETSC_EXTERN PetscErrorCode MatMumpsGetIcntl(Mat, PetscInt, PetscInt *); 2263 PETSC_EXTERN PetscErrorCode MatMumpsSetCntl(Mat, PetscInt, PetscReal); 2264 PETSC_EXTERN PetscErrorCode MatMumpsGetCntl(Mat, PetscInt, PetscReal *); 2265 2266 PETSC_EXTERN PetscErrorCode MatMumpsGetInfo(Mat, PetscInt, PetscInt *); 2267 PETSC_EXTERN PetscErrorCode MatMumpsGetInfog(Mat, PetscInt, PetscInt *); 2268 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfo(Mat, PetscInt, PetscReal *); 2269 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfog(Mat, PetscInt, PetscReal *); 2270 PETSC_EXTERN PetscErrorCode MatMumpsGetNullPivots(Mat, PetscInt *, PetscInt **); 2271 PETSC_EXTERN PetscErrorCode MatMumpsGetInverse(Mat, Mat); 2272 PETSC_EXTERN PetscErrorCode MatMumpsGetInverseTranspose(Mat, Mat); 2273 #endif 2274 2275 #ifdef PETSC_HAVE_MKL_PARDISO 2276 PETSC_EXTERN PetscErrorCode MatMkl_PardisoSetCntl(Mat, PetscInt, PetscInt); 2277 #endif 2278 2279 #ifdef PETSC_HAVE_MKL_CPARDISO 2280 PETSC_EXTERN PetscErrorCode MatMkl_CPardisoSetCntl(Mat, PetscInt, PetscInt); 2281 #endif 2282 2283 #ifdef PETSC_HAVE_SUPERLU 2284 PETSC_EXTERN PetscErrorCode MatSuperluSetILUDropTol(Mat, PetscReal); 2285 #endif 2286 2287 #ifdef PETSC_HAVE_SUPERLU_DIST 2288 PETSC_EXTERN PetscErrorCode MatSuperluDistGetDiagU(Mat, PetscScalar *); 2289 #endif 2290 2291 #ifdef PETSC_HAVE_STRUMPACK 2292 /*E 2293 MatSTRUMPACKReordering - sparsity reducing ordering to be used in `MATSOLVERSTRUMPACK` 2294 2295 Values: 2296 + `MAT_STRUMPACK_NATURAL` - use the current ordering 2297 . `MAT_STRUMPACK_METIS` - use MeTis to compute an ordering 2298 . `MAT_STRUMPACK_PARMETIS` - use ParMeTis to compute an ordering 2299 . `MAT_STRUMPACK_SCOTCH` - use Scotch to compute an ordering 2300 . `MAT_STRUMPACK_PTSCOTCH` - use parallel Scotch to compute an ordering 2301 . `MAT_STRUMPACK_RCM` - use an RCM ordering 2302 . `MAT_STRUMPACK_GEOMETRIC` - use a geometric ordering (needs mesh info from user) 2303 . `MAT_STRUMPACK_AMD` - approximate minimum degree 2304 . `MAT_STRUMPACK_MMD` - multiple minimum degree 2305 . `MAT_STRUMPACK_AND` - approximate nested dissection 2306 . `MAT_STRUMPACK_MLF` - minimum local fill 2307 - `MAT_STRUMPACK_SPECTRAL` - spectral nested dissection 2308 2309 Level: intermediate 2310 2311 Developer Note: 2312 Should be called `MatSTRUMPACKReorderingType` 2313 2314 .seealso: `Mat`, `MATSOLVERSTRUMPACK`, `MatGetFactor()`, `MatSTRUMPACKSetReordering()` 2315 E*/ 2316 typedef enum { 2317 MAT_STRUMPACK_NATURAL, 2318 MAT_STRUMPACK_METIS, 2319 MAT_STRUMPACK_PARMETIS, 2320 MAT_STRUMPACK_SCOTCH, 2321 MAT_STRUMPACK_PTSCOTCH, 2322 MAT_STRUMPACK_RCM, 2323 MAT_STRUMPACK_GEOMETRIC, 2324 MAT_STRUMPACK_AMD, 2325 MAT_STRUMPACK_MMD, 2326 MAT_STRUMPACK_AND, 2327 MAT_STRUMPACK_MLF, 2328 MAT_STRUMPACK_SPECTRAL 2329 } MatSTRUMPACKReordering; 2330 2331 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetReordering(Mat, MatSTRUMPACKReordering); 2332 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetReordering(Mat, MatSTRUMPACKReordering *); 2333 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetGeometricNxyz(Mat, PetscInt, PetscInt, PetscInt); 2334 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetGeometricComponents(Mat, PetscInt); 2335 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetGeometricWidth(Mat, PetscInt); 2336 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetColPerm(Mat, PetscBool); 2337 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetColPerm(Mat, PetscBool *); 2338 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetGPU(Mat, PetscBool); 2339 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetGPU(Mat, PetscBool *); 2340 2341 /*E 2342 MatSTRUMPACKCompressionType - Compression used in the approximate sparse factorization solver `MATSOLVERSTRUMPACK` 2343 2344 Values: 2345 + `MAT_STRUMPACK_COMPRESSION_TYPE_NONE` - no compression, direct solver 2346 . `MAT_STRUMPACK_COMPRESSION_TYPE_HSS` - hierarchically semi-separable 2347 . `MAT_STRUMPACK_COMPRESSION_TYPE_BLR` - block low rank 2348 . `MAT_STRUMPACK_COMPRESSION_TYPE_HODLR` - hierarchically off-diagonal low rank (requires ButterfyPACK support, configure with --download-butterflypack) 2349 . `MAT_STRUMPACK_COMPRESSION_TYPE_BLR_HODLR` - hybrid of BLR and HODLR (requires ButterfyPACK support, configure with --download-butterflypack) 2350 . `MAT_STRUMPACK_COMPRESSION_TYPE_ZFP_BLR_HODLR` - hybrid of lossy (ZFP), BLR and HODLR (requires ButterfyPACK and ZFP support, configure with --download-butterflypack --download-zfp) 2351 . `MAT_STRUMPACK_COMPRESSION_TYPE_LOSSLESS` - lossless compression (requires ZFP support, configure with --download-zfp) 2352 - `MAT_STRUMPACK_COMPRESSION_TYPE_LOSSY` - lossy compression (requires ZFP support, configure with --download-zfp) 2353 2354 Level: intermediate 2355 2356 .seealso: `Mat`, `MATSOLVERSTRUMPACK`, `MatGetFactor()`, `MatSTRUMPACKSetCompression()` 2357 E*/ 2358 typedef enum { 2359 MAT_STRUMPACK_COMPRESSION_TYPE_NONE, 2360 MAT_STRUMPACK_COMPRESSION_TYPE_HSS, 2361 MAT_STRUMPACK_COMPRESSION_TYPE_BLR, 2362 MAT_STRUMPACK_COMPRESSION_TYPE_HODLR, 2363 MAT_STRUMPACK_COMPRESSION_TYPE_BLR_HODLR, 2364 MAT_STRUMPACK_COMPRESSION_TYPE_ZFP_BLR_HODLR, 2365 MAT_STRUMPACK_COMPRESSION_TYPE_LOSSLESS, 2366 MAT_STRUMPACK_COMPRESSION_TYPE_LOSSY 2367 } MatSTRUMPACKCompressionType; 2368 2369 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompression(Mat, MatSTRUMPACKCompressionType); 2370 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompression(Mat, MatSTRUMPACKCompressionType *); 2371 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompRelTol(Mat, PetscReal); 2372 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompRelTol(Mat, PetscReal *); 2373 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompAbsTol(Mat, PetscReal); 2374 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompAbsTol(Mat, PetscReal *); 2375 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompMinSepSize(Mat, PetscInt); 2376 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompMinSepSize(Mat, PetscInt *); 2377 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompLeafSize(Mat, PetscInt); 2378 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompLeafSize(Mat, PetscInt *); 2379 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompLossyPrecision(Mat, PetscInt); 2380 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompLossyPrecision(Mat, PetscInt *); 2381 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompButterflyLevels(Mat, PetscInt); 2382 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompButterflyLevels(Mat, PetscInt *); 2383 #endif 2384 2385 PETSC_EXTERN PetscErrorCode MatBindToCPU(Mat, PetscBool); 2386 PETSC_EXTERN PetscErrorCode MatBoundToCPU(Mat, PetscBool *); 2387 PETSC_DEPRECATED_FUNCTION(3, 13, 0, "MatBindToCPU()", ) static inline PetscErrorCode MatPinToCPU(Mat A, PetscBool flg) 2388 { 2389 return MatBindToCPU(A, flg); 2390 } 2391 PETSC_EXTERN PetscErrorCode MatSetBindingPropagates(Mat, PetscBool); 2392 PETSC_EXTERN PetscErrorCode MatGetBindingPropagates(Mat, PetscBool *); 2393 2394 #ifdef PETSC_HAVE_CUDA 2395 /*E 2396 MatCUSPARSEStorageFormat - indicates the storage format for `MATAIJCUSPARSE` (GPU) 2397 matrices. 2398 2399 Values: 2400 + `MAT_CUSPARSE_CSR` - Compressed Sparse Row 2401 . `MAT_CUSPARSE_ELL` - Ellpack (requires CUDA 4.2 or later). 2402 - `MAT_CUSPARSE_HYB` - Hybrid, a combination of Ellpack and Coordinate format (requires CUDA 4.2 or later). 2403 2404 Level: intermediate 2405 2406 .seealso: [](ch_matrices), `MATAIJCUSPARSE`, `MatCUSPARSESetFormat()`, `MatCUSPARSEFormatOperation` 2407 E*/ 2408 2409 typedef enum { 2410 MAT_CUSPARSE_CSR, 2411 MAT_CUSPARSE_ELL, 2412 MAT_CUSPARSE_HYB 2413 } MatCUSPARSEStorageFormat; 2414 2415 /* these will be strings associated with enumerated type defined above */ 2416 PETSC_EXTERN const char *const MatCUSPARSEStorageFormats[]; 2417 2418 /*E 2419 MatCUSPARSEFormatOperation - indicates the operation of `MATAIJCUSPARSE` (GPU) 2420 matrices whose operation should use a particular storage format. 2421 2422 Values: 2423 + `MAT_CUSPARSE_MULT_DIAG` - sets the storage format for the diagonal matrix in the parallel `MatMult()` 2424 . `MAT_CUSPARSE_MULT_OFFDIAG` - sets the storage format for the off-diagonal matrix in the parallel `MatMult()` 2425 . `MAT_CUSPARSE_MULT` - sets the storage format for the entire matrix in the serial (single GPU) `MatMult()` 2426 - `MAT_CUSPARSE_ALL` - sets the storage format for all `MATAIJCUSPARSE` (GPU) matrices 2427 2428 Level: intermediate 2429 2430 .seealso: [](ch_matrices), `MatCUSPARSESetFormat()`, `MatCUSPARSEStorageFormat` 2431 E*/ 2432 typedef enum { 2433 MAT_CUSPARSE_MULT_DIAG, 2434 MAT_CUSPARSE_MULT_OFFDIAG, 2435 MAT_CUSPARSE_MULT, 2436 MAT_CUSPARSE_ALL 2437 } MatCUSPARSEFormatOperation; 2438 2439 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSPARSE(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 2440 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSPARSE(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 2441 PETSC_EXTERN PetscErrorCode MatCUSPARSESetFormat(Mat, MatCUSPARSEFormatOperation, MatCUSPARSEStorageFormat); 2442 PETSC_EXTERN PetscErrorCode MatCUSPARSESetUseCPUSolve(Mat, PetscBool); 2443 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSEGetIJ(Mat, PetscBool, const int **, const int **); 2444 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSERestoreIJ(Mat, PetscBool, const int **, const int **); 2445 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSEGetArrayRead(Mat, const PetscScalar **); 2446 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSERestoreArrayRead(Mat, const PetscScalar **); 2447 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSEGetArrayWrite(Mat, PetscScalar **); 2448 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSERestoreArrayWrite(Mat, PetscScalar **); 2449 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSEGetArray(Mat, PetscScalar **); 2450 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSERestoreArray(Mat, PetscScalar **); 2451 2452 PETSC_EXTERN PetscErrorCode MatCreateDenseCUDA(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar[], Mat *); 2453 PETSC_EXTERN PetscErrorCode MatCreateSeqDenseCUDA(MPI_Comm, PetscInt, PetscInt, PetscScalar[], Mat *); 2454 PETSC_EXTERN PetscErrorCode MatDenseCUDAGetArrayWrite(Mat, PetscScalar **); 2455 PETSC_EXTERN PetscErrorCode MatDenseCUDAGetArrayRead(Mat, const PetscScalar **); 2456 PETSC_EXTERN PetscErrorCode MatDenseCUDAGetArray(Mat, PetscScalar **); 2457 PETSC_EXTERN PetscErrorCode MatDenseCUDARestoreArrayWrite(Mat, PetscScalar **); 2458 PETSC_EXTERN PetscErrorCode MatDenseCUDARestoreArrayRead(Mat, const PetscScalar **); 2459 PETSC_EXTERN PetscErrorCode MatDenseCUDARestoreArray(Mat, PetscScalar **); 2460 PETSC_EXTERN PetscErrorCode MatDenseCUDAPlaceArray(Mat, const PetscScalar *); 2461 PETSC_EXTERN PetscErrorCode MatDenseCUDAReplaceArray(Mat, const PetscScalar *); 2462 PETSC_EXTERN PetscErrorCode MatDenseCUDAResetArray(Mat); 2463 PETSC_EXTERN PetscErrorCode MatDenseCUDASetPreallocation(Mat, PetscScalar *); 2464 2465 PETSC_EXTERN PetscErrorCode MatCreateSeqSELLCUDA(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 2466 PETSC_EXTERN PetscErrorCode MatCreateSELLCUDA(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 2467 #endif 2468 2469 #ifdef PETSC_HAVE_HIP 2470 /*E 2471 MatHIPSPARSEStorageFormat - indicates the storage format for `MATAIJHIPSPARSE` (GPU) 2472 matrices. 2473 2474 Values: 2475 + `MAT_HIPSPARSE_CSR` - Compressed Sparse Row 2476 . `MAT_HIPSPARSE_ELL` - Ellpack 2477 - `MAT_HIPSPARSE_HYB` - Hybrid, a combination of Ellpack and Coordinate format 2478 2479 Level: intermediate 2480 2481 .seealso: [](ch_matrices), `MatHIPSPARSESetFormat()`, `MatHIPSPARSEFormatOperation` 2482 E*/ 2483 2484 typedef enum { 2485 MAT_HIPSPARSE_CSR, 2486 MAT_HIPSPARSE_ELL, 2487 MAT_HIPSPARSE_HYB 2488 } MatHIPSPARSEStorageFormat; 2489 2490 /* these will be strings associated with enumerated type defined above */ 2491 PETSC_EXTERN const char *const MatHIPSPARSEStorageFormats[]; 2492 2493 /*E 2494 MatHIPSPARSEFormatOperation - indicates the operation of `MATAIJHIPSPARSE` (GPU) 2495 matrices whose operation should use a particular storage format. 2496 2497 Values: 2498 + `MAT_HIPSPARSE_MULT_DIAG` - sets the storage format for the diagonal matrix in the parallel `MatMult()` 2499 . `MAT_HIPSPARSE_MULT_OFFDIAG` - sets the storage format for the off-diagonal matrix in the parallel `MatMult()` 2500 . `MAT_HIPSPARSE_MULT` - sets the storage format for the entire matrix in the serial (single GPU) `MatMult()` 2501 - `MAT_HIPSPARSE_ALL` - sets the storage format for all HIPSPARSE (GPU) matrices 2502 2503 Level: intermediate 2504 2505 .seealso: [](ch_matrices), `MatHIPSPARSESetFormat()`, `MatHIPSPARSEStorageFormat` 2506 E*/ 2507 typedef enum { 2508 MAT_HIPSPARSE_MULT_DIAG, 2509 MAT_HIPSPARSE_MULT_OFFDIAG, 2510 MAT_HIPSPARSE_MULT, 2511 MAT_HIPSPARSE_ALL 2512 } MatHIPSPARSEFormatOperation; 2513 2514 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJHIPSPARSE(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 2515 PETSC_EXTERN PetscErrorCode MatCreateAIJHIPSPARSE(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 2516 PETSC_EXTERN PetscErrorCode MatHIPSPARSESetFormat(Mat, MatHIPSPARSEFormatOperation, MatHIPSPARSEStorageFormat); 2517 PETSC_EXTERN PetscErrorCode MatHIPSPARSESetUseCPUSolve(Mat, PetscBool); 2518 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSEGetIJ(Mat, PetscBool, const int **, const int **); 2519 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSERestoreIJ(Mat, PetscBool, const int **, const int **); 2520 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSEGetArrayRead(Mat, const PetscScalar **); 2521 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSERestoreArrayRead(Mat, const PetscScalar **); 2522 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSEGetArrayWrite(Mat, PetscScalar **); 2523 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSERestoreArrayWrite(Mat, PetscScalar **); 2524 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSEGetArray(Mat, PetscScalar **); 2525 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSERestoreArray(Mat, PetscScalar **); 2526 2527 PETSC_EXTERN PetscErrorCode MatCreateDenseHIP(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar[], Mat *); 2528 PETSC_EXTERN PetscErrorCode MatCreateSeqDenseHIP(MPI_Comm, PetscInt, PetscInt, PetscScalar[], Mat *); 2529 PETSC_EXTERN PetscErrorCode MatDenseHIPGetArrayWrite(Mat, PetscScalar **); 2530 PETSC_EXTERN PetscErrorCode MatDenseHIPGetArrayRead(Mat, const PetscScalar **); 2531 PETSC_EXTERN PetscErrorCode MatDenseHIPGetArray(Mat, PetscScalar **); 2532 PETSC_EXTERN PetscErrorCode MatDenseHIPRestoreArrayWrite(Mat, PetscScalar **); 2533 PETSC_EXTERN PetscErrorCode MatDenseHIPRestoreArrayRead(Mat, const PetscScalar **); 2534 PETSC_EXTERN PetscErrorCode MatDenseHIPRestoreArray(Mat, PetscScalar **); 2535 PETSC_EXTERN PetscErrorCode MatDenseHIPPlaceArray(Mat, const PetscScalar *); 2536 PETSC_EXTERN PetscErrorCode MatDenseHIPReplaceArray(Mat, const PetscScalar *); 2537 PETSC_EXTERN PetscErrorCode MatDenseHIPResetArray(Mat); 2538 PETSC_EXTERN PetscErrorCode MatDenseHIPSetPreallocation(Mat, PetscScalar *); 2539 PETSC_EXTERN PetscErrorCode MatCreateSeqSELLHIP(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 2540 PETSC_EXTERN PetscErrorCode MatCreateSELLHIP(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 2541 #endif 2542 2543 #if defined(PETSC_HAVE_VIENNACL) 2544 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJViennaCL(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 2545 PETSC_EXTERN PetscErrorCode MatCreateAIJViennaCL(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 2546 #endif 2547 2548 #if PetscDefined(HAVE_KOKKOS) 2549 PETSC_EXTERN PetscErrorCode MatCreateAIJKokkos(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 2550 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJKokkos(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 2551 #endif 2552 2553 #if defined(PETSC_HAVE_FFTW) 2554 PETSC_EXTERN PetscErrorCode VecScatterPetscToFFTW(Mat, Vec, Vec); 2555 PETSC_EXTERN PetscErrorCode VecScatterFFTWToPetsc(Mat, Vec, Vec); 2556 PETSC_EXTERN PetscErrorCode MatCreateVecsFFTW(Mat, Vec *, Vec *, Vec *); 2557 #endif 2558 2559 #if defined(PETSC_HAVE_SCALAPACK) 2560 PETSC_EXTERN PetscErrorCode MatCreateScaLAPACK(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, Mat *); 2561 PETSC_EXTERN PetscErrorCode MatScaLAPACKSetBlockSizes(Mat, PetscInt, PetscInt); 2562 PETSC_EXTERN PetscErrorCode MatScaLAPACKGetBlockSizes(Mat, PetscInt *, PetscInt *); 2563 #endif 2564 2565 PETSC_EXTERN PetscErrorCode MatCreateNest(MPI_Comm, PetscInt, const IS[], PetscInt, const IS[], const Mat[], Mat *); 2566 PETSC_EXTERN PetscErrorCode MatNestGetSize(Mat, PetscInt *, PetscInt *); 2567 PETSC_EXTERN PetscErrorCode MatNestGetISs(Mat, IS[], IS[]); 2568 PETSC_EXTERN PetscErrorCode MatNestGetLocalISs(Mat, IS[], IS[]); 2569 PETSC_EXTERN PetscErrorCode MatNestGetSubMats(Mat, PetscInt *, PetscInt *, Mat ***); 2570 PETSC_EXTERN PetscErrorCode MatNestGetSubMat(Mat, PetscInt, PetscInt, Mat *); 2571 PETSC_EXTERN PetscErrorCode MatNestSetVecType(Mat, VecType); 2572 PETSC_EXTERN PetscErrorCode MatNestSetSubMats(Mat, PetscInt, const IS[], PetscInt, const IS[], const Mat[]); 2573 PETSC_EXTERN PetscErrorCode MatNestSetSubMat(Mat, PetscInt, PetscInt, Mat); 2574 2575 PETSC_EXTERN PetscErrorCode MatFilter(Mat, PetscReal, PetscBool, PetscBool); 2576 PETSC_DEPRECATED_FUNCTION(3, 20, 0, "MatFilter()", ) static inline PetscErrorCode MatChop(Mat A, PetscReal tol) 2577 { 2578 return MatFilter(A, tol, PETSC_FALSE, PETSC_FALSE); 2579 } 2580 PETSC_EXTERN PetscErrorCode MatComputeBandwidth(Mat, PetscReal, PetscInt *); 2581 2582 PETSC_EXTERN PetscErrorCode MatSubdomainsCreateCoalesce(Mat, PetscInt, PetscInt *, IS **); 2583 2584 PETSC_EXTERN PetscErrorCode MatPreallocatorPreallocate(Mat, PetscBool, Mat); 2585 2586 PETSC_EXTERN PetscErrorCode MatHeaderMerge(Mat, Mat *); 2587 PETSC_EXTERN PetscErrorCode MatHeaderReplace(Mat, Mat *); 2588 2589 PETSC_EXTERN PetscErrorCode MatSeqAIJGetCSRAndMemType(Mat, const PetscInt **, const PetscInt **, PetscScalar **, PetscMemType *); 2590 2591 PETSC_EXTERN PetscErrorCode MatCreateGraph(Mat, PetscBool, PetscBool, PetscReal, PetscInt, PetscInt[], Mat *); 2592 PETSC_EXTERN PetscErrorCode MatEliminateZeros(Mat, PetscBool); 2593 2594 PETSC_EXTERN PetscErrorCode MatCreateDenseFromVecType(MPI_Comm, VecType, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar *, Mat *); 2595 2596 PETSC_EXTERN PetscErrorCode MatSetHPL(Mat, int); 2597 #define PETSCBMHPL "hpl" 2598