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 #define MATSOLVERHTOOL "htool" 181 182 /*E 183 MatFactorType - indicates what type of factorization is requested 184 185 Values: 186 + `MAT_FACTOR_LU` - LU factorization 187 . `MAT_FACTOR_CHOLESKY` - Cholesky factorization 188 . `MAT_FACTOR_ILU` - ILU factorization 189 . `MAT_FACTOR_ICC` - incomplete Cholesky factorization 190 . `MAT_FACTOR_ILUDT` - ILU factorization with drop tolerance 191 - `MAT_FACTOR_QR` - QR factorization 192 193 Level: beginner 194 195 .seealso: [](ch_matrices), `MatSolverType`, `MatGetFactor()`, `MatGetFactorAvailable()`, `MatSolverTypeRegister()` 196 E*/ 197 typedef enum { 198 MAT_FACTOR_NONE, 199 MAT_FACTOR_LU, 200 MAT_FACTOR_CHOLESKY, 201 MAT_FACTOR_ILU, 202 MAT_FACTOR_ICC, 203 MAT_FACTOR_ILUDT, 204 MAT_FACTOR_QR, 205 MAT_FACTOR_NUM_TYPES 206 } MatFactorType; 207 PETSC_EXTERN const char *const MatFactorTypes[]; 208 209 PETSC_EXTERN PetscErrorCode MatGetFactor(Mat, MatSolverType, MatFactorType, Mat *); 210 PETSC_EXTERN PetscErrorCode MatGetFactorAvailable(Mat, MatSolverType, MatFactorType, PetscBool *); 211 PETSC_EXTERN PetscErrorCode MatFactorGetCanUseOrdering(Mat, PetscBool *); 212 PETSC_DEPRECATED_FUNCTION(3, 15, 0, "MatFactorGetCanUseOrdering()", ) static inline PetscErrorCode MatFactorGetUseOrdering(Mat A, PetscBool *b) 213 { 214 return MatFactorGetCanUseOrdering(A, b); 215 } 216 PETSC_EXTERN PetscErrorCode MatFactorGetSolverType(Mat, MatSolverType *); 217 PETSC_EXTERN PetscErrorCode MatGetFactorType(Mat, MatFactorType *); 218 PETSC_EXTERN PetscErrorCode MatSetFactorType(Mat, MatFactorType); 219 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode(MatSolverFn)(Mat, MatFactorType, Mat *); 220 PETSC_EXTERN_TYPEDEF typedef MatSolverFn *MatSolverFunction; 221 222 PETSC_EXTERN PetscErrorCode MatSolverTypeRegister(MatSolverType, MatType, MatFactorType, MatSolverFn *); 223 PETSC_EXTERN PetscErrorCode MatSolverTypeGet(MatSolverType, MatType, MatFactorType, PetscBool *, PetscBool *, MatSolverFn **); 224 typedef MatSolverType MatSolverPackage PETSC_DEPRECATED_TYPEDEF(3, 9, 0, "MatSolverType", ); 225 PETSC_DEPRECATED_FUNCTION(3, 9, 0, "MatSolverTypeRegister()", ) static inline PetscErrorCode MatSolverPackageRegister(MatSolverType stype, MatType mtype, MatFactorType ftype, MatSolverFn *f) 226 { 227 return MatSolverTypeRegister(stype, mtype, ftype, f); 228 } 229 PETSC_DEPRECATED_FUNCTION(3, 9, 0, "MatSolverTypeGet()", ) static inline PetscErrorCode MatSolverPackageGet(MatSolverType stype, MatType mtype, MatFactorType ftype, PetscBool *foundmtype, PetscBool *foundstype, MatSolverFn **f) 230 { 231 return MatSolverTypeGet(stype, mtype, ftype, foundmtype, foundstype, f); 232 } 233 234 /*E 235 MatProductType - indicates what type of matrix product to compute 236 237 Values: 238 + `MATPRODUCT_AB` - product of two matrices 239 . `MATPRODUCT_AtB` - product of the transpose of a given matrix with a matrix 240 . `MATPRODUCT_ABt` - product of a matrix with the transpose of another given matrix 241 . `MATPRODUCT_PtAP` - the triple product of the transpose of a matrix with another matrix and itself 242 . `MATPRODUCT_RARt` - the triple product of a matrix, another matrix and the transpose of the first matrix 243 - `MATPRODUCT_ABC` - the product of three matrices 244 245 Level: beginner 246 247 .seealso: [](sec_matmatproduct), [](ch_matrices), `MatProductSetType()` 248 E*/ 249 typedef enum { 250 MATPRODUCT_UNSPECIFIED = 0, 251 MATPRODUCT_AB, 252 MATPRODUCT_AtB, 253 MATPRODUCT_ABt, 254 MATPRODUCT_PtAP, 255 MATPRODUCT_RARt, 256 MATPRODUCT_ABC 257 } MatProductType; 258 PETSC_EXTERN const char *const MatProductTypes[]; 259 260 /*J 261 MatProductAlgorithm - String with the name of an algorithm for a PETSc matrix product implementation 262 263 Level: beginner 264 265 .seealso: [](sec_matmatproduct), [](ch_matrices), `MatSetType()`, `Mat`, `MatProductSetAlgorithm()`, `MatProductType` 266 J*/ 267 typedef const char *MatProductAlgorithm; 268 #define MATPRODUCTALGORITHMDEFAULT "default" 269 #define MATPRODUCTALGORITHMSORTED "sorted" 270 #define MATPRODUCTALGORITHMSCALABLE "scalable" 271 #define MATPRODUCTALGORITHMSCALABLEFAST "scalable_fast" 272 #define MATPRODUCTALGORITHMHEAP "heap" 273 #define MATPRODUCTALGORITHMBHEAP "btheap" 274 #define MATPRODUCTALGORITHMLLCONDENSED "llcondensed" 275 #define MATPRODUCTALGORITHMROWMERGE "rowmerge" 276 #define MATPRODUCTALGORITHMOUTERPRODUCT "outerproduct" 277 #define MATPRODUCTALGORITHMATB "at*b" 278 #define MATPRODUCTALGORITHMRAP "rap" 279 #define MATPRODUCTALGORITHMNONSCALABLE "nonscalable" 280 #define MATPRODUCTALGORITHMSEQMPI "seqmpi" 281 #define MATPRODUCTALGORITHMBACKEND "backend" 282 #define MATPRODUCTALGORITHMOVERLAPPING "overlapping" 283 #define MATPRODUCTALGORITHMMERGED "merged" 284 #define MATPRODUCTALGORITHMALLATONCE "allatonce" 285 #define MATPRODUCTALGORITHMALLATONCEMERGED "allatonce_merged" 286 #define MATPRODUCTALGORITHMALLGATHERV "allgatherv" 287 #define MATPRODUCTALGORITHMCYCLIC "cyclic" 288 #define MATPRODUCTALGORITHMHYPRE "hypre" 289 290 PETSC_EXTERN PetscErrorCode MatProductCreate(Mat, Mat, Mat, Mat *); 291 PETSC_EXTERN PetscErrorCode MatProductCreateWithMat(Mat, Mat, Mat, Mat); 292 PETSC_EXTERN PetscErrorCode MatProductSetType(Mat, MatProductType); 293 PETSC_EXTERN PetscErrorCode MatProductSetAlgorithm(Mat, MatProductAlgorithm); 294 PETSC_EXTERN PetscErrorCode MatProductGetAlgorithm(Mat, MatProductAlgorithm *); 295 PETSC_EXTERN PetscErrorCode MatProductSetFill(Mat, PetscReal); 296 PETSC_EXTERN PetscErrorCode MatProductSetFromOptions(Mat); 297 PETSC_EXTERN PetscErrorCode MatProductSymbolic(Mat); 298 PETSC_EXTERN PetscErrorCode MatProductNumeric(Mat); 299 PETSC_EXTERN PetscErrorCode MatProductReplaceMats(Mat, Mat, Mat, Mat); 300 PETSC_EXTERN PetscErrorCode MatProductClear(Mat); 301 PETSC_EXTERN PetscErrorCode MatProductView(Mat, PetscViewer); 302 PETSC_EXTERN PetscErrorCode MatProductGetType(Mat, MatProductType *); 303 PETSC_EXTERN PetscErrorCode MatProductGetMats(Mat, Mat *, Mat *, Mat *); 304 305 /* Logging support */ 306 #define MAT_FILE_CLASSID 1211216 /* used to indicate matrices in binary files */ 307 PETSC_EXTERN PetscClassId MAT_CLASSID; 308 PETSC_EXTERN PetscClassId MAT_COLORING_CLASSID; 309 PETSC_EXTERN PetscClassId MAT_FDCOLORING_CLASSID; 310 PETSC_EXTERN PetscClassId MAT_TRANSPOSECOLORING_CLASSID; 311 PETSC_EXTERN PetscClassId MAT_PARTITIONING_CLASSID; 312 PETSC_EXTERN PetscClassId MAT_COARSEN_CLASSID; 313 PETSC_EXTERN PetscClassId MAT_NULLSPACE_CLASSID; 314 PETSC_EXTERN PetscClassId MATMFFD_CLASSID; 315 316 /*E 317 MatReuse - Indicates if matrices obtained from a previous call to `MatCreateSubMatrices()`, `MatCreateSubMatrix()`, `MatConvert()` or several other functions 318 are to be reused to store the new matrix values. 319 320 Values: 321 + `MAT_INITIAL_MATRIX` - create a new matrix 322 . `MAT_REUSE_MATRIX` - reuse the matrix created with a previous call that used `MAT_INITIAL_MATRIX` 323 . `MAT_INPLACE_MATRIX` - replace the first input matrix with the new matrix (not applicable to all functions) 324 - `MAT_IGNORE_MATRIX` - do not create a new matrix or reuse a give matrix, just ignore that matrix argument (not applicable to all functions) 325 326 Level: beginner 327 328 .seealso: [](ch_matrices), `Mat`, `MatCreateSubMatrices()`, `MatCreateSubMatrix()`, `MatDestroyMatrices()`, `MatConvert()` 329 E*/ 330 typedef enum { 331 MAT_INITIAL_MATRIX, 332 MAT_REUSE_MATRIX, 333 MAT_IGNORE_MATRIX, 334 MAT_INPLACE_MATRIX 335 } MatReuse; 336 337 /*E 338 MatCreateSubMatrixOption - Indicates if matrices obtained from a call to `MatCreateSubMatrices()` 339 include the matrix values. Currently it is only used by `MatGetSeqNonzeroStructure()`. 340 341 Values: 342 + `MAT_DO_NOT_GET_VALUES` - do not copy the matrix values 343 - `MAT_GET_VALUES` - copy the matrix values 344 345 Level: developer 346 347 Developer Note: 348 Why is not just a boolean used for this information? 349 350 .seealso: [](ch_matrices), `Mat`, `MatDuplicateOption`, `PetscCopyMode`, `MatGetSeqNonzeroStructure()` 351 E*/ 352 typedef enum { 353 MAT_DO_NOT_GET_VALUES, 354 MAT_GET_VALUES 355 } MatCreateSubMatrixOption; 356 357 PETSC_EXTERN PetscErrorCode MatInitializePackage(void); 358 PETSC_EXTERN PetscErrorCode MatFinalizePackage(void); 359 360 PETSC_EXTERN PetscErrorCode MatCreate(MPI_Comm, Mat *); 361 PETSC_EXTERN PetscErrorCode MatCreateFromOptions(MPI_Comm, const char *, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, Mat *); 362 PETSC_EXTERN PetscErrorCode MatSetSizes(Mat, PetscInt, PetscInt, PetscInt, PetscInt); 363 PETSC_EXTERN PetscErrorCode MatSetType(Mat, MatType); 364 PETSC_EXTERN PetscErrorCode MatGetVecType(Mat, VecType *); 365 PETSC_EXTERN PetscErrorCode MatSetVecType(Mat, VecType); 366 PETSC_EXTERN PetscErrorCode MatSetFromOptions(Mat); 367 PETSC_EXTERN PetscErrorCode MatViewFromOptions(Mat, PetscObject, const char[]); 368 PETSC_EXTERN PetscErrorCode MatRegister(const char[], PetscErrorCode (*)(Mat)); 369 PETSC_EXTERN PetscErrorCode MatRegisterRootName(const char[], const char[], const char[]); 370 PETSC_EXTERN PetscErrorCode MatSetOptionsPrefix(Mat, const char[]); 371 PETSC_EXTERN PetscErrorCode MatSetOptionsPrefixFactor(Mat, const char[]); 372 PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefixFactor(Mat, const char[]); 373 PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefix(Mat, const char[]); 374 PETSC_EXTERN PetscErrorCode MatGetOptionsPrefix(Mat, const char *[]); 375 PETSC_EXTERN PetscErrorCode MatGetState(Mat, PetscObjectState *); 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 PETSC_EXTERN PetscErrorCode MatPythonCreate(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, const char[], Mat *); 533 534 PETSC_EXTERN PetscErrorCode MatResetPreallocation(Mat); 535 PETSC_EXTERN PetscErrorCode MatResetHash(Mat); 536 PETSC_EXTERN PetscErrorCode MatSetUp(Mat); 537 PETSC_EXTERN PetscErrorCode MatDestroy(Mat *); 538 PETSC_EXTERN PetscErrorCode MatGetNonzeroState(Mat, PetscObjectState *); 539 540 PETSC_EXTERN PetscErrorCode MatConjugate(Mat); 541 PETSC_EXTERN PetscErrorCode MatRealPart(Mat); 542 PETSC_EXTERN PetscErrorCode MatImaginaryPart(Mat); 543 PETSC_EXTERN PetscErrorCode MatGetDiagonalBlock(Mat, Mat *); 544 PETSC_EXTERN PetscErrorCode MatGetTrace(Mat, PetscScalar *); 545 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonal(Mat, const PetscScalar **); 546 PETSC_EXTERN PetscErrorCode MatInvertVariableBlockDiagonal(Mat, PetscInt, const PetscInt *, PetscScalar *); 547 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonalMat(Mat, Mat); 548 PETSC_EXTERN PetscErrorCode MatInvertVariableBlockEnvelope(Mat, MatReuse, Mat *); 549 PETSC_EXTERN PetscErrorCode MatComputeVariableBlockEnvelope(Mat); 550 551 PETSC_EXTERN PetscErrorCode MatSetValues(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], const PetscScalar[], InsertMode); 552 PETSC_EXTERN PetscErrorCode MatSetValuesIS(Mat, IS, IS, const PetscScalar[], InsertMode); 553 PETSC_EXTERN PetscErrorCode MatSetValuesBlocked(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], const PetscScalar[], InsertMode); 554 PETSC_EXTERN PetscErrorCode MatSetValuesRow(Mat, PetscInt, const PetscScalar[]); 555 PETSC_EXTERN PetscErrorCode MatSetValuesRowLocal(Mat, PetscInt, const PetscScalar[]); 556 PETSC_EXTERN PetscErrorCode MatSetValuesBatch(Mat, PetscInt, PetscInt, PetscInt[], const PetscScalar[]); 557 PETSC_EXTERN PetscErrorCode MatSetRandom(Mat, PetscRandom); 558 559 /*S 560 MatStencil - Data structure (C struct) for storing information about rows and 561 columns of a matrix as indexed on an associated grid. These are arguments to `MatSetStencil()` and `MatSetBlockStencil()` 562 563 Level: beginner 564 565 Notes: 566 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). 567 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. 568 569 For stencil access to vectors see `DMDAVecGetArray()`, `DMDAVecGetArrayF90()`. 570 571 For staggered grids, see `DMStagStencil` 572 573 Fortran Note: 574 See `MatSetValuesStencil()` for details. 575 576 .seealso: [](ch_matrices), `Mat`, `MatSetValuesStencil()`, `MatSetStencil()`, `MatSetValuesBlockedStencil()`, `DMDAVecGetArray()`, `DMDAVecGetArrayF90()`, 577 `DMStagStencil` 578 S*/ 579 typedef struct { 580 PetscInt k, j, i, c; 581 } MatStencil; 582 583 PETSC_EXTERN PetscErrorCode MatSetValuesStencil(Mat, PetscInt, const MatStencil[], PetscInt, const MatStencil[], const PetscScalar[], InsertMode); 584 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedStencil(Mat, PetscInt, const MatStencil[], PetscInt, const MatStencil[], const PetscScalar[], InsertMode); 585 PETSC_EXTERN PetscErrorCode MatSetStencil(Mat, PetscInt, const PetscInt[], const PetscInt[], PetscInt); 586 587 /*E 588 MatAssemblyType - Indicates if the process of setting values into the matrix is complete, and the matrix is ready for use 589 590 Values: 591 + `MAT_FLUSH_ASSEMBLY` - you will continue to put values into the matrix 592 - `MAT_FINAL_ASSEMBLY` - you wish to use the matrix with the values currently inserted 593 594 Level: beginner 595 596 .seealso: [](ch_matrices), `Mat`, `MatSetValues`, `MatAssemblyBegin()`, `MatAssemblyEnd()` 597 E*/ 598 typedef enum { 599 MAT_FLUSH_ASSEMBLY = 1, 600 MAT_FINAL_ASSEMBLY = 0 601 } MatAssemblyType; 602 603 PETSC_EXTERN PetscErrorCode MatAssemblyBegin(Mat, MatAssemblyType); 604 PETSC_EXTERN PetscErrorCode MatAssemblyEnd(Mat, MatAssemblyType); 605 PETSC_EXTERN PetscErrorCode MatAssembled(Mat, PetscBool *); 606 607 /*E 608 MatOption - Options that may be set for a matrix that indicate properties of the matrix or affect its behavior or storage 609 610 Level: beginner 611 612 Note: 613 See `MatSetOption()` for the use of the options 614 615 Developer Note: 616 Entries that are negative need not be called collectively by all processes. 617 618 .seealso: [](ch_matrices), `Mat`, `MatSetOption()` 619 E*/ 620 typedef enum { 621 MAT_OPTION_MIN = -3, 622 MAT_UNUSED_NONZERO_LOCATION_ERR = -2, 623 MAT_ROW_ORIENTED = -1, 624 MAT_SYMMETRIC = 1, 625 MAT_STRUCTURALLY_SYMMETRIC = 2, 626 MAT_FORCE_DIAGONAL_ENTRIES = 3, 627 MAT_IGNORE_OFF_PROC_ENTRIES = 4, 628 MAT_USE_HASH_TABLE = 5, 629 MAT_KEEP_NONZERO_PATTERN = 6, 630 MAT_IGNORE_ZERO_ENTRIES = 7, 631 MAT_USE_INODES = 8, 632 MAT_HERMITIAN = 9, 633 MAT_SYMMETRY_ETERNAL = 10, 634 MAT_NEW_NONZERO_LOCATION_ERR = 11, 635 MAT_IGNORE_LOWER_TRIANGULAR = 12, 636 MAT_ERROR_LOWER_TRIANGULAR = 13, 637 MAT_GETROW_UPPERTRIANGULAR = 14, 638 MAT_SPD = 15, 639 MAT_NO_OFF_PROC_ZERO_ROWS = 16, 640 MAT_NO_OFF_PROC_ENTRIES = 17, 641 MAT_NEW_NONZERO_LOCATIONS = 18, 642 MAT_NEW_NONZERO_ALLOCATION_ERR = 19, 643 MAT_SUBSET_OFF_PROC_ENTRIES = 20, 644 MAT_SUBMAT_SINGLEIS = 21, 645 MAT_STRUCTURE_ONLY = 22, 646 MAT_SORTED_FULL = 23, 647 MAT_FORM_EXPLICIT_TRANSPOSE = 24, 648 MAT_STRUCTURAL_SYMMETRY_ETERNAL = 25, 649 MAT_SPD_ETERNAL = 26, 650 MAT_OPTION_MAX = 27 651 } MatOption; 652 653 PETSC_EXTERN const char *const *MatOptions; 654 PETSC_EXTERN PetscErrorCode MatSetOption(Mat, MatOption, PetscBool); 655 PETSC_EXTERN PetscErrorCode MatGetOption(Mat, MatOption, PetscBool *); 656 PETSC_EXTERN PetscErrorCode MatPropagateSymmetryOptions(Mat, Mat); 657 PETSC_EXTERN PetscErrorCode MatGetType(Mat, MatType *); 658 659 PETSC_EXTERN PetscErrorCode MatGetValues(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], PetscScalar[]); 660 PETSC_EXTERN PetscErrorCode MatGetRow(Mat, PetscInt, PetscInt *, const PetscInt *[], const PetscScalar *[]); 661 PETSC_EXTERN PetscErrorCode MatRestoreRow(Mat, PetscInt, PetscInt *, const PetscInt *[], const PetscScalar *[]); 662 PETSC_EXTERN PetscErrorCode MatGetRowUpperTriangular(Mat); 663 PETSC_EXTERN PetscErrorCode MatRestoreRowUpperTriangular(Mat); 664 PETSC_EXTERN PetscErrorCode MatGetColumnVector(Mat, Vec, PetscInt); 665 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArray(Mat, PetscScalar *[]); 666 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArrayRead(Mat, const PetscScalar *[]); 667 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArrayWrite(Mat, PetscScalar *[]); 668 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArray(Mat, PetscScalar *[]); 669 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArrayRead(Mat, const PetscScalar *[]); 670 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArrayWrite(Mat, PetscScalar *[]); 671 PETSC_EXTERN PetscErrorCode MatSeqAIJGetMaxRowNonzeros(Mat, PetscInt *); 672 PETSC_EXTERN PetscErrorCode MatSeqAIJSetValuesLocalFast(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], const PetscScalar[], InsertMode); 673 PETSC_EXTERN PetscErrorCode MatSeqAIJSetType(Mat, MatType); 674 PETSC_EXTERN PetscErrorCode MatSeqAIJKron(Mat, Mat, MatReuse, Mat *); 675 PETSC_EXTERN PetscErrorCode MatSeqAIJRegister(const char[], PetscErrorCode (*)(Mat, MatType, MatReuse, Mat *)); 676 PETSC_EXTERN PetscFunctionList MatSeqAIJList; 677 PETSC_EXTERN PetscErrorCode MatSeqBAIJGetArray(Mat, PetscScalar *[]); 678 PETSC_EXTERN PetscErrorCode MatSeqBAIJRestoreArray(Mat, PetscScalar *[]); 679 PETSC_EXTERN PetscErrorCode MatSeqSBAIJGetArray(Mat, PetscScalar *[]); 680 PETSC_EXTERN PetscErrorCode MatSeqSBAIJRestoreArray(Mat, PetscScalar *[]); 681 PETSC_EXTERN PetscErrorCode MatDenseGetArray(Mat, PetscScalar *[]); 682 PETSC_EXTERN PetscErrorCode MatDenseRestoreArray(Mat, PetscScalar *[]); 683 PETSC_EXTERN PetscErrorCode MatDensePlaceArray(Mat, const PetscScalar[]); 684 PETSC_EXTERN PetscErrorCode MatDenseReplaceArray(Mat, const PetscScalar[]); 685 PETSC_EXTERN PetscErrorCode MatDenseResetArray(Mat); 686 PETSC_EXTERN PetscErrorCode MatDenseGetArrayRead(Mat, const PetscScalar *[]); 687 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayRead(Mat, const PetscScalar *[]); 688 PETSC_EXTERN PetscErrorCode MatDenseGetArrayWrite(Mat, PetscScalar *[]); 689 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayWrite(Mat, PetscScalar *[]); 690 PETSC_EXTERN PetscErrorCode MatDenseGetArrayAndMemType(Mat, PetscScalar *[], PetscMemType *); 691 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayAndMemType(Mat, PetscScalar *[]); 692 PETSC_EXTERN PetscErrorCode MatDenseGetArrayReadAndMemType(Mat, const PetscScalar *[], PetscMemType *); 693 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayReadAndMemType(Mat, const PetscScalar *[]); 694 PETSC_EXTERN PetscErrorCode MatDenseGetArrayWriteAndMemType(Mat, PetscScalar *[], PetscMemType *); 695 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayWriteAndMemType(Mat, PetscScalar *[]); 696 PETSC_EXTERN PetscErrorCode MatGetBlockSize(Mat, PetscInt *); 697 PETSC_EXTERN PetscErrorCode MatSetBlockSize(Mat, PetscInt); 698 PETSC_EXTERN PetscErrorCode MatGetBlockSizes(Mat, PetscInt *, PetscInt *); 699 PETSC_EXTERN PetscErrorCode MatSetBlockSizes(Mat, PetscInt, PetscInt); 700 PETSC_EXTERN PetscErrorCode MatSetBlockSizesFromMats(Mat, Mat, Mat); 701 PETSC_EXTERN PetscErrorCode MatSetVariableBlockSizes(Mat, PetscInt, const PetscInt[]); 702 PETSC_EXTERN PetscErrorCode MatGetVariableBlockSizes(Mat, PetscInt *, const PetscInt *[]); 703 704 PETSC_EXTERN PetscErrorCode MatDenseGetColumn(Mat, PetscInt, PetscScalar *[]); 705 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumn(Mat, PetscScalar *[]); 706 PETSC_EXTERN PetscErrorCode MatDenseGetColumnVec(Mat, PetscInt, Vec *); 707 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumnVec(Mat, PetscInt, Vec *); 708 PETSC_EXTERN PetscErrorCode MatDenseGetColumnVecRead(Mat, PetscInt, Vec *); 709 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumnVecRead(Mat, PetscInt, Vec *); 710 PETSC_EXTERN PetscErrorCode MatDenseGetColumnVecWrite(Mat, PetscInt, Vec *); 711 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumnVecWrite(Mat, PetscInt, Vec *); 712 PETSC_EXTERN PetscErrorCode MatDenseGetSubMatrix(Mat, PetscInt, PetscInt, PetscInt, PetscInt, Mat *); 713 PETSC_EXTERN PetscErrorCode MatDenseRestoreSubMatrix(Mat, Mat *); 714 715 PETSC_EXTERN PetscErrorCode MatMult(Mat, Vec, Vec); 716 PETSC_EXTERN PetscErrorCode MatMultDiagonalBlock(Mat, Vec, Vec); 717 PETSC_EXTERN PetscErrorCode MatMultAdd(Mat, Vec, Vec, Vec); 718 PETSC_EXTERN PetscErrorCode MatMultTranspose(Mat, Vec, Vec); 719 PETSC_EXTERN PetscErrorCode MatMultHermitianTranspose(Mat, Vec, Vec); 720 PETSC_EXTERN PetscErrorCode MatIsTranspose(Mat, Mat, PetscReal, PetscBool *); 721 PETSC_EXTERN PetscErrorCode MatIsHermitianTranspose(Mat, Mat, PetscReal, PetscBool *); 722 PETSC_EXTERN PetscErrorCode MatMultTransposeAdd(Mat, Vec, Vec, Vec); 723 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAdd(Mat, Vec, Vec, Vec); 724 PETSC_EXTERN PetscErrorCode MatMatSolve(Mat, Mat, Mat); 725 PETSC_EXTERN PetscErrorCode MatMatSolveTranspose(Mat, Mat, Mat); 726 PETSC_EXTERN PetscErrorCode MatMatTransposeSolve(Mat, Mat, Mat); 727 PETSC_EXTERN PetscErrorCode MatResidual(Mat, Vec, Vec, Vec); 728 729 /*E 730 MatDuplicateOption - Indicates if a duplicated sparse matrix should have 731 its numerical values copied over or just its nonzero structure. 732 733 Values: 734 + `MAT_DO_NOT_COPY_VALUES` - Create a matrix using the same nonzero pattern as the original matrix, 735 with zeros for the numerical values 736 . `MAT_COPY_VALUES` - Create a matrix with the same nonzero pattern as the original matrix 737 and with the same numerical values. 738 - `MAT_SHARE_NONZERO_PATTERN` - Create a matrix that shares the nonzero structure with the previous matrix 739 and does not copy it, using zeros for the numerical values. The parent and 740 child matrices will share their index (i and j) arrays, and you cannot 741 insert new nonzero entries into either matrix 742 743 Level: beginner 744 745 Note: 746 Many matrix types (including `MATSEQAIJ`) do not support the `MAT_SHARE_NONZERO_PATTERN` optimization; in 747 this case the behavior is as if `MAT_DO_NOT_COPY_VALUES` has been specified. 748 749 .seealso: [](ch_matrices), `Mat`, `MatDuplicate()` 750 E*/ 751 typedef enum { 752 MAT_DO_NOT_COPY_VALUES, 753 MAT_COPY_VALUES, 754 MAT_SHARE_NONZERO_PATTERN 755 } MatDuplicateOption; 756 757 PETSC_EXTERN PetscErrorCode MatConvert(Mat, MatType, MatReuse, Mat *); 758 PETSC_EXTERN PetscErrorCode MatDuplicate(Mat, MatDuplicateOption, Mat *); 759 760 PETSC_EXTERN PetscErrorCode MatCopy(Mat, Mat, MatStructure); 761 PETSC_EXTERN PetscErrorCode MatView(Mat, PetscViewer); 762 PETSC_EXTERN PetscErrorCode MatIsSymmetric(Mat, PetscReal, PetscBool *); 763 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetric(Mat, PetscBool *); 764 PETSC_EXTERN PetscErrorCode MatIsHermitian(Mat, PetscReal, PetscBool *); 765 PETSC_EXTERN PetscErrorCode MatIsSymmetricKnown(Mat, PetscBool *, PetscBool *); 766 PETSC_EXTERN PetscErrorCode MatIsHermitianKnown(Mat, PetscBool *, PetscBool *); 767 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetricKnown(Mat, PetscBool *, PetscBool *); 768 PETSC_EXTERN PetscErrorCode MatIsSPDKnown(Mat, PetscBool *, PetscBool *); 769 PETSC_EXTERN PetscErrorCode MatMissingDiagonal(Mat, PetscBool *, PetscInt *); 770 PETSC_EXTERN PetscErrorCode MatLoad(Mat, PetscViewer); 771 772 PETSC_EXTERN PetscErrorCode MatGetRowIJ(Mat, PetscInt, PetscBool, PetscBool, PetscInt *, const PetscInt *[], const PetscInt *[], PetscBool *); 773 PETSC_EXTERN PetscErrorCode MatRestoreRowIJ(Mat, PetscInt, PetscBool, PetscBool, PetscInt *, const PetscInt *[], const PetscInt *[], PetscBool *); 774 PETSC_EXTERN PetscErrorCode MatGetColumnIJ(Mat, PetscInt, PetscBool, PetscBool, PetscInt *, const PetscInt *[], const PetscInt *[], PetscBool *); 775 PETSC_EXTERN PetscErrorCode MatRestoreColumnIJ(Mat, PetscInt, PetscBool, PetscBool, PetscInt *, const PetscInt *[], const PetscInt *[], PetscBool *); 776 777 /*S 778 MatInfo - Context of matrix information, used with `MatGetInfo()` 779 780 Level: intermediate 781 782 Fortran Note: 783 Information is stored as a double-precision array of dimension `MAT_INFO_SIZE` 784 785 .seealso: [](ch_matrices), `Mat`, `MatGetInfo()`, `MatInfoType` 786 S*/ 787 typedef struct { 788 PetscLogDouble block_size; /* block size */ 789 PetscLogDouble nz_allocated, nz_used, nz_unneeded; /* number of nonzeros */ 790 PetscLogDouble memory; /* memory allocated */ 791 PetscLogDouble assemblies; /* number of matrix assemblies called */ 792 PetscLogDouble mallocs; /* number of mallocs during MatSetValues() */ 793 PetscLogDouble fill_ratio_given, fill_ratio_needed; /* fill ratio for LU/ILU */ 794 PetscLogDouble factor_mallocs; /* number of mallocs during factorization */ 795 } MatInfo; 796 797 /*E 798 MatInfoType - Indicates if you want information about the local part of the matrix, 799 the entire parallel matrix or the maximum over all the local parts. 800 801 Values: 802 + `MAT_LOCAL` - values for each MPI process part of the matrix 803 . `MAT_GLOBAL_MAX` - maximum of each value over all MPI processes 804 - `MAT_GLOBAL_SUM` - sum of each value over all MPI processes 805 806 Level: beginner 807 808 .seealso: [](ch_matrices), `MatGetInfo()`, `MatInfo` 809 E*/ 810 typedef enum { 811 MAT_LOCAL = 1, 812 MAT_GLOBAL_MAX = 2, 813 MAT_GLOBAL_SUM = 3 814 } MatInfoType; 815 PETSC_EXTERN PetscErrorCode MatGetInfo(Mat, MatInfoType, MatInfo *); 816 PETSC_EXTERN PetscErrorCode MatGetDiagonal(Mat, Vec); 817 PETSC_EXTERN PetscErrorCode MatGetRowMax(Mat, Vec, PetscInt[]); 818 PETSC_EXTERN PetscErrorCode MatGetRowMin(Mat, Vec, PetscInt[]); 819 PETSC_EXTERN PetscErrorCode MatGetRowMaxAbs(Mat, Vec, PetscInt[]); 820 PETSC_EXTERN PetscErrorCode MatGetRowSumAbs(Mat, Vec); 821 PETSC_EXTERN PetscErrorCode MatGetRowMinAbs(Mat, Vec, PetscInt[]); 822 PETSC_EXTERN PetscErrorCode MatGetRowSum(Mat, Vec); 823 PETSC_EXTERN PetscErrorCode MatTranspose(Mat, MatReuse, Mat *); 824 PETSC_EXTERN PetscErrorCode MatTransposeSymbolic(Mat, Mat *); 825 PETSC_EXTERN PetscErrorCode MatTransposeSetPrecursor(Mat, Mat); 826 PETSC_EXTERN PetscErrorCode MatHermitianTranspose(Mat, MatReuse, Mat *); 827 PETSC_EXTERN PetscErrorCode MatPermute(Mat, IS, IS, Mat *); 828 PETSC_EXTERN PetscErrorCode MatDiagonalScale(Mat, Vec, Vec); 829 PETSC_EXTERN PetscErrorCode MatDiagonalSet(Mat, Vec, InsertMode); 830 831 PETSC_EXTERN PetscErrorCode MatEqual(Mat, Mat, PetscBool *); 832 PETSC_EXTERN PetscErrorCode MatMultEqual(Mat, Mat, PetscInt, PetscBool *); 833 PETSC_EXTERN PetscErrorCode MatMultAddEqual(Mat, Mat, PetscInt, PetscBool *); 834 PETSC_EXTERN PetscErrorCode MatMultTransposeEqual(Mat, Mat, PetscInt, PetscBool *); 835 PETSC_EXTERN PetscErrorCode MatMultTransposeAddEqual(Mat, Mat, PetscInt, PetscBool *); 836 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeEqual(Mat, Mat, PetscInt, PetscBool *); 837 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAddEqual(Mat, Mat, PetscInt, PetscBool *); 838 PETSC_EXTERN PetscErrorCode MatMatMultEqual(Mat, Mat, Mat, PetscInt, PetscBool *); 839 PETSC_EXTERN PetscErrorCode MatTransposeMatMultEqual(Mat, Mat, Mat, PetscInt, PetscBool *); 840 PETSC_EXTERN PetscErrorCode MatMatTransposeMultEqual(Mat, Mat, Mat, PetscInt, PetscBool *); 841 PETSC_EXTERN PetscErrorCode MatPtAPMultEqual(Mat, Mat, Mat, PetscInt, PetscBool *); 842 PETSC_EXTERN PetscErrorCode MatRARtMultEqual(Mat, Mat, Mat, PetscInt, PetscBool *); 843 PETSC_EXTERN PetscErrorCode MatIsLinear(Mat, PetscInt, PetscBool *); 844 845 PETSC_EXTERN PetscErrorCode MatNorm(Mat, NormType, PetscReal *); 846 PETSC_EXTERN PetscErrorCode MatGetColumnNorms(Mat, NormType, PetscReal *); 847 PETSC_EXTERN PetscErrorCode MatGetColumnSums(Mat, PetscScalar *); 848 PETSC_EXTERN PetscErrorCode MatGetColumnSumsRealPart(Mat, PetscReal *); 849 PETSC_EXTERN PetscErrorCode MatGetColumnSumsImaginaryPart(Mat, PetscReal *); 850 PETSC_EXTERN PetscErrorCode MatGetColumnMeans(Mat, PetscScalar *); 851 PETSC_EXTERN PetscErrorCode MatGetColumnMeansRealPart(Mat, PetscReal *); 852 PETSC_EXTERN PetscErrorCode MatGetColumnMeansImaginaryPart(Mat, PetscReal *); 853 PETSC_EXTERN PetscErrorCode MatGetColumnReductions(Mat, PetscInt, PetscReal *); 854 PETSC_EXTERN PetscErrorCode MatZeroEntries(Mat); 855 PETSC_EXTERN PetscErrorCode MatSetInf(Mat); 856 PETSC_EXTERN PetscErrorCode MatZeroRows(Mat, PetscInt, const PetscInt[], PetscScalar, Vec, Vec); 857 PETSC_EXTERN PetscErrorCode MatZeroRowsIS(Mat, IS, PetscScalar, Vec, Vec); 858 PETSC_EXTERN PetscErrorCode MatZeroRowsStencil(Mat, PetscInt, const MatStencil[], PetscScalar, Vec, Vec); 859 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsStencil(Mat, PetscInt, const MatStencil[], PetscScalar, Vec, Vec); 860 PETSC_EXTERN PetscErrorCode MatZeroRowsColumns(Mat, PetscInt, const PetscInt[], PetscScalar, Vec, Vec); 861 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsIS(Mat, IS, PetscScalar, Vec, Vec); 862 863 PETSC_EXTERN PetscErrorCode MatGetSize(Mat, PetscInt *, PetscInt *); 864 PETSC_EXTERN PetscErrorCode MatGetLocalSize(Mat, PetscInt *, PetscInt *); 865 PETSC_EXTERN PetscErrorCode MatGetOwnershipRange(Mat, PetscInt *, PetscInt *); 866 PETSC_EXTERN PetscErrorCode MatGetOwnershipRanges(Mat, const PetscInt **); 867 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangeColumn(Mat, PetscInt *, PetscInt *); 868 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangesColumn(Mat, const PetscInt **); 869 PETSC_EXTERN PetscErrorCode MatGetOwnershipIS(Mat, IS *, IS *); 870 871 PETSC_EXTERN PetscErrorCode MatCreateSubMatrices(Mat, PetscInt, const IS[], const IS[], MatReuse, Mat *[]); 872 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[]) 873 { 874 return MatCreateSubMatrices(mat, n, irow, icol, scall, submat); 875 } 876 PETSC_EXTERN PetscErrorCode MatCreateSubMatricesMPI(Mat, PetscInt, const IS[], const IS[], MatReuse, Mat *[]); 877 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[]) 878 { 879 return MatCreateSubMatricesMPI(mat, n, irow, icol, scall, submat); 880 } 881 PETSC_EXTERN PetscErrorCode MatDestroyMatrices(PetscInt, Mat *[]); 882 PETSC_EXTERN PetscErrorCode MatDestroySubMatrices(PetscInt, Mat *[]); 883 PETSC_EXTERN PetscErrorCode MatCreateSubMatrix(Mat, IS, IS, MatReuse, Mat *); 884 PETSC_DEPRECATED_FUNCTION(3, 8, 0, "MatCreateSubMatrix()", ) static inline PetscErrorCode MatGetSubMatrix(Mat mat, IS isrow, IS iscol, MatReuse cll, Mat *newmat) 885 { 886 return MatCreateSubMatrix(mat, isrow, iscol, cll, newmat); 887 } 888 PETSC_EXTERN PetscErrorCode MatGetLocalSubMatrix(Mat, IS, IS, Mat *); 889 PETSC_EXTERN PetscErrorCode MatRestoreLocalSubMatrix(Mat, IS, IS, Mat *); 890 PETSC_EXTERN PetscErrorCode MatGetSeqNonzeroStructure(Mat, Mat *); 891 PETSC_EXTERN PetscErrorCode MatDestroySeqNonzeroStructure(Mat *); 892 893 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm, Mat, PetscInt, PetscInt, MatReuse, Mat *); 894 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJSymbolic(MPI_Comm, Mat, PetscInt, PetscInt, Mat *); 895 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJNumeric(Mat, Mat); 896 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMat(Mat, MatReuse, Mat *); 897 PETSC_EXTERN PetscErrorCode MatAIJGetLocalMat(Mat, Mat *); 898 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatCondensed(Mat, MatReuse, IS *, IS *, Mat *); 899 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatMerge(Mat, MatReuse, IS *, Mat *); 900 PETSC_EXTERN PetscErrorCode MatMPIAIJGetNumberNonzeros(Mat, PetscCount *); 901 PETSC_EXTERN PetscErrorCode MatGetBrowsOfAcols(Mat, Mat, MatReuse, IS *, IS *, Mat *); 902 PETSC_EXTERN PetscErrorCode MatGetGhosts(Mat, PetscInt *, const PetscInt *[]); 903 904 PETSC_EXTERN PetscErrorCode MatIncreaseOverlap(Mat, PetscInt, IS[], PetscInt); 905 PETSC_EXTERN PetscErrorCode MatIncreaseOverlapSplit(Mat mat, PetscInt n, IS is[], PetscInt ov); 906 PETSC_EXTERN PetscErrorCode MatMPIAIJSetUseScalableIncreaseOverlap(Mat, PetscBool); 907 908 PETSC_EXTERN PetscErrorCode MatMatMult(Mat, Mat, MatReuse, PetscReal, Mat *); 909 910 PETSC_EXTERN PetscErrorCode MatMatMatMult(Mat, Mat, Mat, MatReuse, PetscReal, Mat *); 911 PETSC_EXTERN PetscErrorCode MatGalerkin(Mat, Mat, Mat, MatReuse, PetscReal, Mat *); 912 913 PETSC_EXTERN PetscErrorCode MatPtAP(Mat, Mat, MatReuse, PetscReal, Mat *); 914 PETSC_EXTERN PetscErrorCode MatRARt(Mat, Mat, MatReuse, PetscReal, Mat *); 915 916 PETSC_EXTERN PetscErrorCode MatTransposeMatMult(Mat, Mat, MatReuse, PetscReal, Mat *); 917 PETSC_EXTERN PetscErrorCode MatMatTransposeMult(Mat, Mat, MatReuse, PetscReal, Mat *); 918 919 PETSC_EXTERN PetscErrorCode MatAXPY(Mat, PetscScalar, Mat, MatStructure); 920 PETSC_EXTERN PetscErrorCode MatAYPX(Mat, PetscScalar, Mat, MatStructure); 921 922 PETSC_EXTERN PetscErrorCode MatScale(Mat, PetscScalar); 923 PETSC_EXTERN PetscErrorCode MatShift(Mat, PetscScalar); 924 925 PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMapping(Mat, ISLocalToGlobalMapping, ISLocalToGlobalMapping); 926 PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMapping(Mat, ISLocalToGlobalMapping *, ISLocalToGlobalMapping *); 927 PETSC_EXTERN PetscErrorCode MatGetLayouts(Mat, PetscLayout *, PetscLayout *); 928 PETSC_EXTERN PetscErrorCode MatSetLayouts(Mat, PetscLayout, PetscLayout); 929 PETSC_EXTERN PetscErrorCode MatZeroRowsLocal(Mat, PetscInt, const PetscInt[], PetscScalar, Vec, Vec); 930 PETSC_EXTERN PetscErrorCode MatZeroRowsLocalIS(Mat, IS, PetscScalar, Vec, Vec); 931 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocal(Mat, PetscInt, const PetscInt[], PetscScalar, Vec, Vec); 932 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocalIS(Mat, IS, PetscScalar, Vec, Vec); 933 PETSC_EXTERN PetscErrorCode MatGetValuesLocal(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], PetscScalar[]); 934 PETSC_EXTERN PetscErrorCode MatSetValuesLocal(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], const PetscScalar[], InsertMode); 935 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedLocal(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[], const PetscScalar[], InsertMode); 936 937 PETSC_EXTERN PetscErrorCode MatStashSetInitialSize(Mat, PetscInt, PetscInt); 938 PETSC_EXTERN PetscErrorCode MatStashGetInfo(Mat, PetscInt *, PetscInt *, PetscInt *, PetscInt *); 939 940 PETSC_EXTERN PetscErrorCode MatInterpolate(Mat, Vec, Vec); 941 PETSC_EXTERN PetscErrorCode MatInterpolateAdd(Mat, Vec, Vec, Vec); 942 PETSC_EXTERN PetscErrorCode MatRestrict(Mat, Vec, Vec); 943 PETSC_EXTERN PetscErrorCode MatMatInterpolate(Mat, Mat, Mat *); 944 PETSC_EXTERN PetscErrorCode MatMatInterpolateAdd(Mat, Mat, Mat, Mat *); 945 PETSC_EXTERN PetscErrorCode MatMatRestrict(Mat, Mat, Mat *); 946 PETSC_EXTERN PetscErrorCode MatCreateVecs(Mat, Vec *, Vec *); 947 PETSC_DEPRECATED_FUNCTION(3, 6, 0, "MatCreateVecs()", ) static inline PetscErrorCode MatGetVecs(Mat mat, Vec *x, Vec *y) 948 { 949 return MatCreateVecs(mat, x, y); 950 } 951 PETSC_EXTERN PetscErrorCode MatCreateRedundantMatrix(Mat, PetscInt, MPI_Comm, MatReuse, Mat *); 952 PETSC_EXTERN PetscErrorCode MatGetMultiProcBlock(Mat, MPI_Comm, MatReuse, Mat *); 953 PETSC_EXTERN PetscErrorCode MatFindZeroDiagonals(Mat, IS *); 954 PETSC_EXTERN PetscErrorCode MatFindOffBlockDiagonalEntries(Mat, IS *); 955 PETSC_EXTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat(MPI_Comm, Mat, PetscInt, MatReuse, Mat *); 956 957 PETSC_EXTERN PetscErrorCode MatCopyHashToXAIJ(Mat A, Mat B); 958 /*@C 959 MatSetValue - Set a single entry into a matrix. 960 961 Not Collective 962 963 Input Parameters: 964 + mat - the matrix 965 . i - the row location of the entry 966 . j - the column location of the entry 967 . va - the value to insert 968 - mode - either `INSERT_VALUES` or `ADD_VALUES` 969 970 Level: beginner 971 972 Notes: 973 This value may be cached, so `MatAssemblyBegin()` and `MatAssemblyEnd()` 974 MUST be called after all calls to `MatSetValue()` have been completed. 975 976 For efficiency one should use `MatSetValues()` and set several values simultaneously. 977 978 .seealso: [](ch_matrices), `Mat`, `MatAssemblyBegin()`, `MatAssemblyEnd()`, `InsertMode`, `MatGetValue()`, `MatSetValues()`, 979 `MatSetValueLocal()`, `MatSetValuesLocal()` 980 @*/ 981 static inline PetscErrorCode MatSetValue(Mat mat, PetscInt i, PetscInt j, PetscScalar va, InsertMode mode) 982 { 983 return MatSetValues(mat, 1, &i, 1, &j, &va, mode); 984 } 985 986 /*@C 987 MatGetValue - Gets a single value from a matrix 988 989 Not Collective; can only return a value owned by the given process 990 991 Input Parameters: 992 + mat - the matrix 993 . row - the row location of the entry 994 - col - the column location of the entry 995 996 Output Parameter: 997 . va - the value 998 999 Level: advanced 1000 1001 Notes: 1002 The matrix must have been assembled with `MatAssemblyBegin()` and `MatAssemblyEnd()` before this call 1003 1004 For efficiency one should use `MatGetValues()` and get several values simultaneously. 1005 1006 See notes for `MatGetValues()`. 1007 1008 .seealso: [](ch_matrices), `Mat`, `MatAssemblyBegin()`, `MatAssemblyEnd()`, `MatSetValue()`, `MatGetValueLocal()`, `MatGetValues()` 1009 @*/ 1010 static inline PetscErrorCode MatGetValue(Mat mat, PetscInt row, PetscInt col, PetscScalar *va) 1011 { 1012 return MatGetValues(mat, 1, &row, 1, &col, va); 1013 } 1014 1015 /*@C 1016 MatSetValueLocal - Inserts or adds a single value into a matrix, using a local numbering of the nodes. 1017 1018 Not Collective 1019 1020 Input Parameters: 1021 + mat - the matrix 1022 . i - the row location of the entry 1023 . j - the column location of the entry 1024 . va - the value to insert 1025 - mode - either `INSERT_VALUES` or `ADD_VALUES` 1026 1027 Level: intermediate 1028 1029 Notes: 1030 For efficiency one should use `MatSetValuesLocal()` and set several values simultaneously. 1031 1032 See notes for `MatSetValuesLocal()` for additional information on when and how this function can be used. 1033 1034 .seealso: [](ch_matrices), `MatSetValue()`, `MatSetValuesLocal()` 1035 @*/ 1036 static inline PetscErrorCode MatSetValueLocal(Mat mat, PetscInt i, PetscInt j, PetscScalar va, InsertMode mode) 1037 { 1038 return MatSetValuesLocal(mat, 1, &i, 1, &j, &va, mode); 1039 } 1040 1041 /*MC 1042 MatPreallocateBegin - Begins the block of code that will count the number of nonzeros per 1043 row in a matrix providing the data that one can use to correctly preallocate the matrix. 1044 1045 Synopsis: 1046 #include <petscmat.h> 1047 PetscErrorCode MatPreallocateBegin(MPI_Comm comm, PetscInt nrows, PetscInt ncols, PetscInt *dnz, PetscInt *onz) 1048 1049 Collective 1050 1051 Input Parameters: 1052 + comm - the communicator that will share the eventually allocated matrix 1053 . nrows - the number of LOCAL rows in the matrix 1054 - ncols - the number of LOCAL columns in the matrix 1055 1056 Output Parameters: 1057 + dnz - the array that will be passed to the matrix preallocation routines 1058 - onz - the other array passed to the matrix preallocation routines 1059 1060 Level: deprecated (since v3.19) 1061 1062 Notes: 1063 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1064 the use of this routine 1065 1066 This is a macro that handles its own error checking, it does not return an error code. 1067 1068 Do not malloc or free `dnz` and `onz`, that is handled internally by these routines 1069 1070 Developer Note: 1071 This is a MACRO, not a function, because it has a leading { that is closed by `PetscPreallocateFinalize()`. 1072 1073 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()`, `MatPreallocateSetLocal()`, 1074 `MatPreallocateSymmetricSetLocalBlock()` 1075 M*/ 1076 #define MatPreallocateBegin(comm, nrows, ncols, dnz, onz) \ 1077 do { \ 1078 PetscInt __nrows = (nrows), __ncols = (ncols), __rstart, __end = 0; \ 1079 PetscInt PETSC_UNUSED __start; \ 1080 PetscCall(PetscCalloc2(__nrows, &(dnz), __nrows, &(onz))); \ 1081 PetscCallMPI(MPI_Scan(&__ncols, &__end, 1, MPIU_INT, MPI_SUM, comm)); \ 1082 __start = __end - __ncols; \ 1083 (void)__start; \ 1084 PetscCallMPI(MPI_Scan(&__nrows, &__rstart, 1, MPIU_INT, MPI_SUM, comm)); \ 1085 __rstart -= __nrows 1086 1087 #define MatPreallocateInitialize(...) PETSC_DEPRECATED_MACRO(3, 18, 0, "MatPreallocateBegin()", ) MatPreallocateBegin(__VA_ARGS__) 1088 1089 /*MC 1090 MatPreallocateSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be 1091 inserted using a local number of the rows and columns 1092 1093 Synopsis: 1094 #include <petscmat.h> 1095 PetscErrorCode MatPreallocateSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 1096 1097 Not Collective 1098 1099 Input Parameters: 1100 + map - the row mapping from local numbering to global numbering 1101 . nrows - the number of rows indicated 1102 . rows - the indices of the rows 1103 . cmap - the column mapping from local to global numbering 1104 . ncols - the number of columns in the matrix 1105 . cols - the columns indicated 1106 . dnz - the array that will be passed to the matrix preallocation routines 1107 - onz - the other array passed to the matrix preallocation routines 1108 1109 Level: deprecated (since v3.19) 1110 1111 Notes: 1112 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1113 the use of this routine 1114 1115 Do not malloc or free `dnz` and `onz`, that is handled internally by these routines 1116 1117 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()` 1118 `MatPreallocateBegin()`, `MatPreallocateSymmetricSetLocalBlock()`, `MatPreallocateSetLocalRemoveDups()` 1119 M*/ 1120 #define MatPreallocateSetLocal(rmap, nrows, rows, cmap, ncols, cols, dnz, onz) \ 1121 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));) 1122 1123 /*MC 1124 MatPreallocateSetLocalRemoveDups - Indicates the locations (rows and columns) in the matrix where nonzeros will be 1125 inserted using a local number of the rows and columns. This version removes any duplicate columns in cols 1126 1127 Synopsis: 1128 #include <petscmat.h> 1129 PetscErrorCode MatPreallocateSetLocalRemoveDups(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 1130 1131 Not Collective 1132 1133 Input Parameters: 1134 + map - the row mapping from local numbering to global numbering 1135 . nrows - the number of rows indicated 1136 . rows - the indices of the rows (these values are mapped to the global values) 1137 . cmap - the column mapping from local to global numbering 1138 . ncols - the number of columns in the matrix (this value will be changed if duplicate columns are found) 1139 . cols - the columns indicated (these values are mapped to the global values, they are then sorted and duplicates removed) 1140 . dnz - the array that will be passed to the matrix preallocation routines 1141 - onz - the other array passed to the matrix preallocation routines 1142 1143 Level: deprecated (since v3.19) 1144 1145 Notes: 1146 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1147 the use of this routine 1148 1149 Do not malloc or free `dnz` and `onz`, that is handled internally by these routines 1150 1151 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()` 1152 `MatPreallocateBegin()`, `MatPreallocateSymmetricSetLocalBlock()`, `MatPreallocateSetLocal()` 1153 M*/ 1154 #define MatPreallocateSetLocalRemoveDups(rmap, nrows, rows, cmap, ncols, cols, dnz, onz) \ 1155 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));) 1156 1157 /*MC 1158 MatPreallocateSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be 1159 inserted using a local number of the rows and columns 1160 1161 Synopsis: 1162 #include <petscmat.h> 1163 PetscErrorCode MatPreallocateSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 1164 1165 Not Collective 1166 1167 Input Parameters: 1168 + map - the row mapping from local numbering to global numbering 1169 . nrows - the number of rows indicated 1170 . rows - the indices of the rows 1171 . cmap - the column mapping from local to global numbering 1172 . ncols - the number of columns in the matrix 1173 . cols - the columns indicated 1174 . dnz - the array that will be passed to the matrix preallocation routines 1175 - onz - the other array passed to the matrix preallocation routines 1176 1177 Level: deprecated (since v3.19) 1178 1179 Notes: 1180 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1181 the use of this routine 1182 1183 Do not malloc or free `dnz` and `onz`, that is handled internally by these routines 1184 1185 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()` 1186 `MatPreallocateBegin()`, `MatPreallocateSymmetricSetLocalBlock()` 1187 M*/ 1188 #define MatPreallocateSetLocalBlock(rmap, nrows, rows, cmap, ncols, cols, dnz, onz) \ 1189 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));) 1190 1191 /*MC 1192 MatPreallocateSymmetricSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be 1193 inserted using a local number of the rows and columns 1194 1195 Synopsis: 1196 #include <petscmat.h> 1197 PetscErrorCode MatPreallocateSymmetricSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 1198 1199 Not Collective 1200 1201 Input Parameters: 1202 + map - the mapping between local numbering and global numbering 1203 . nrows - the number of rows indicated 1204 . rows - the indices of the rows 1205 . ncols - the number of columns in the matrix 1206 . cols - the columns indicated 1207 . dnz - the array that will be passed to the matrix preallocation routines 1208 - onz - the other array passed to the matrix preallocation routines 1209 1210 Level: deprecated (since v3.19) 1211 1212 Notes: 1213 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1214 the use of this routine 1215 1216 Do not malloc or free `dnz` and `onz` that is handled internally by these routines 1217 1218 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()` 1219 `MatPreallocateBegin()`, `MatPreallocateSetLocal()` 1220 M*/ 1221 #define MatPreallocateSymmetricSetLocalBlock(map, nrows, rows, ncols, cols, dnz, onz) \ 1222 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));) 1223 1224 /*MC 1225 MatPreallocateSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be 1226 inserted using a local number of the rows and columns 1227 1228 Synopsis: 1229 #include <petscmat.h> 1230 PetscErrorCode MatPreallocateSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 1231 1232 Not Collective 1233 1234 Input Parameters: 1235 + row - the row 1236 . ncols - the number of columns in the matrix 1237 - cols - the columns indicated 1238 1239 Output Parameters: 1240 + dnz - the array that will be passed to the matrix preallocation routines 1241 - onz - the other array passed to the matrix preallocation routines 1242 1243 Level: deprecated (since v3.19) 1244 1245 Notes: 1246 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1247 the use of this routine 1248 1249 Do not malloc or free `dnz` and `onz` that is handled internally by these routines 1250 1251 This is a MACRO, not a function, because it uses variables declared in MatPreallocateBegin(). 1252 1253 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()` 1254 `MatPreallocateBegin()`, `MatPreallocateSetLocal()` 1255 M*/ 1256 #define MatPreallocateSet(row, nc, cols, dnz, onz) \ 1257 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) { \ 1258 if ((cols)[__i] < __start || (cols)[__i] >= __end) onz[row - __rstart]++; \ 1259 else if (dnz[row - __rstart] < __ncols) dnz[row - __rstart]++; \ 1260 }) 1261 1262 /*MC 1263 MatPreallocateSymmetricSetBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be 1264 inserted using a local number of the rows and columns 1265 1266 Synopsis: 1267 #include <petscmat.h> 1268 PetscErrorCode MatPreallocateSymmetricSetBlock(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz) 1269 1270 Not Collective 1271 1272 Input Parameters: 1273 + nrows - the number of rows indicated 1274 . rows - the indices of the rows 1275 . ncols - the number of columns in the matrix 1276 . cols - the columns indicated 1277 . dnz - the array that will be passed to the matrix preallocation routines 1278 - onz - the other array passed to the matrix preallocation routines 1279 1280 Level: deprecated (since v3.19) 1281 1282 Notes: 1283 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1284 the use of this routine 1285 1286 Do not malloc or free `dnz` and `onz` that is handled internally by these routines 1287 1288 This is a MACRO, not a function, because it uses variables declared in MatPreallocateBegin(). 1289 1290 .seealso: [](ch_matrices), `MatPreallocateEnd()`, `MatPreallocateSet()`, `MatPreallocateBegin()`, 1291 `MatPreallocateSymmetricSetLocalBlock()`, `MatPreallocateSetLocal()` 1292 M*/ 1293 #define MatPreallocateSymmetricSetBlock(row, nc, cols, dnz, onz) \ 1294 PetscMacroReturnStandard(for (PetscInt __i = 0; __i < nc; __i++) { \ 1295 if (cols[__i] >= __end) onz[row - __rstart]++; \ 1296 else if (cols[__i] >= row && dnz[row - __rstart] < __ncols) dnz[row - __rstart]++; \ 1297 }) 1298 1299 /*MC 1300 MatPreallocateLocation - An alternative to MatPreallocateSet() that puts the nonzero locations into the matrix if it exists 1301 1302 Synopsis: 1303 #include <petscmat.h> 1304 PetscErrorCode MatPreallocateLocations(Mat A,PetscInt row,PetscInt ncols,PetscInt *cols,PetscInt *dnz,PetscInt *onz) 1305 1306 Not Collective 1307 1308 Input Parameters: 1309 + A - matrix 1310 . row - row where values exist (must be local to this process) 1311 . ncols - number of columns 1312 . cols - columns with nonzeros 1313 . dnz - the array that will be passed to the matrix preallocation routines 1314 - onz - the other array passed to the matrix preallocation routines 1315 1316 Level: deprecated (since v3.19) 1317 1318 Notes: 1319 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1320 the use of this routine 1321 1322 Do not malloc or free `dnz` and `onz` that is handled internally by these routines 1323 1324 Developer Note: 1325 This is a MACRO, not a function, because it uses a bunch of variables private to the MatPreallocation.... routines. 1326 1327 .seealso: [](ch_matrices), `MatPreallocateBegin()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()`, `MatPreallocateSetLocal()`, 1328 `MatPreallocateSymmetricSetLocalBlock()` 1329 M*/ 1330 #define MatPreallocateLocation(A, row, ncols, cols, dnz, onz) (A ? MatSetValues(A, 1, &row, ncols, cols, NULL, INSERT_VALUES) : MatPreallocateSet(row, ncols, cols, dnz, onz)) 1331 1332 /*MC 1333 MatPreallocateEnd - Ends the block of code that will count the number of nonzeros per 1334 row in a matrix providing the data that one can use to correctly preallocate the matrix. 1335 1336 Synopsis: 1337 #include <petscmat.h> 1338 PetscErrorCode MatPreallocateEnd(PetscInt *dnz, PetscInt *onz) 1339 1340 Collective 1341 1342 Input Parameters: 1343 + dnz - the array that was be passed to the matrix preallocation routines 1344 - onz - the other array passed to the matrix preallocation routines 1345 1346 Level: deprecated (since v3.19) 1347 1348 Notes: 1349 This routine is no longer needed since assembling matrices without explicit preallocation will not be slower than 1350 the use of this routine 1351 1352 Do not malloc or free `dnz` and `onz`, that is handled internally by these routines 1353 1354 Developer Note: 1355 This is a MACRO, not a function, because it closes the { started in MatPreallocateBegin(). 1356 1357 .seealso: [](ch_matrices), `MatPreallocateBegin()`, `MatPreallocateSet()`, `MatPreallocateSymmetricSetBlock()`, `MatPreallocateSetLocal()`, 1358 `MatPreallocateSymmetricSetLocalBlock()` 1359 M*/ 1360 #define MatPreallocateEnd(dnz, onz) \ 1361 PetscCall(PetscFree2(dnz, onz)); \ 1362 } \ 1363 while (0) 1364 1365 #define MatPreallocateFinalize(...) PETSC_DEPRECATED_MACRO(3, 18, 0, "MatPreallocateEnd()", ) MatPreallocateEnd(__VA_ARGS__) 1366 1367 /* Routines unique to particular data structures */ 1368 PETSC_EXTERN PetscErrorCode MatShellGetContext(Mat, void *); 1369 1370 PETSC_EXTERN PetscErrorCode MatInodeAdjustForInodes(Mat, IS *, IS *); 1371 PETSC_EXTERN PetscErrorCode MatInodeGetInodeSizes(Mat, PetscInt *, PetscInt *[], PetscInt *); 1372 1373 PETSC_EXTERN PetscErrorCode MatSeqAIJSetColumnIndices(Mat, PetscInt[]); 1374 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetColumnIndices(Mat, PetscInt[]); 1375 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJWithArrays(MPI_Comm, PetscInt, PetscInt, PetscInt[], PetscInt[], PetscScalar[], Mat *); 1376 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJWithArrays(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt[], PetscInt[], PetscScalar[], Mat *); 1377 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJWithArrays(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt[], PetscInt[], PetscScalar[], Mat *); 1378 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJFromTriple(MPI_Comm, PetscInt, PetscInt, PetscInt[], PetscInt[], PetscScalar[], Mat *, PetscInt, PetscBool); 1379 1380 #define MAT_SKIP_ALLOCATION -4 1381 1382 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocation(Mat, PetscInt, PetscInt, const PetscInt[]); 1383 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocation(Mat, PetscInt, PetscInt, const PetscInt[]); 1384 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation(Mat, PetscInt, const PetscInt[]); 1385 PETSC_EXTERN PetscErrorCode MatSeqAIJSetTotalPreallocation(Mat, PetscInt); 1386 1387 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocation(Mat, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[]); 1388 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocation(Mat, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[]); 1389 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocation(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[]); 1390 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocationCSR(Mat, const PetscInt[], const PetscInt[], const PetscScalar[]); 1391 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocationCSR(Mat, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[]); 1392 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocationCSR(Mat, const PetscInt[], const PetscInt[], const PetscScalar[]); 1393 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocationCSR(Mat, PetscInt, const PetscInt[], const PetscInt[], const PetscScalar[]); 1394 PETSC_EXTERN PetscErrorCode MatMPIAdjSetPreallocation(Mat, PetscInt[], PetscInt[], PetscInt[]); 1395 PETSC_EXTERN PetscErrorCode MatMPIAdjToSeq(Mat, Mat *); 1396 PETSC_EXTERN PetscErrorCode MatMPIAdjToSeqRankZero(Mat, Mat *); 1397 PETSC_EXTERN PetscErrorCode MatMPIDenseSetPreallocation(Mat, PetscScalar[]); 1398 PETSC_EXTERN PetscErrorCode MatSeqDenseSetPreallocation(Mat, PetscScalar[]); 1399 PETSC_EXTERN PetscErrorCode MatMPIAIJGetSeqAIJ(Mat, Mat *, Mat *, const PetscInt *[]); 1400 PETSC_EXTERN PetscErrorCode MatMPIBAIJGetSeqBAIJ(Mat, Mat *, Mat *, const PetscInt *[]); 1401 PETSC_EXTERN PetscErrorCode MatMPIAdjCreateNonemptySubcommMat(Mat, Mat *); 1402 1403 PETSC_EXTERN PetscErrorCode MatDenseGetLDA(Mat, PetscInt *); 1404 PETSC_EXTERN PetscErrorCode MatDenseSetLDA(Mat, PetscInt); 1405 PETSC_DEPRECATED_FUNCTION(3, 14, 0, "MatDenseSetLDA()", ) static inline PetscErrorCode MatSeqDenseSetLDA(Mat A, PetscInt lda) 1406 { 1407 return MatDenseSetLDA(A, lda); 1408 } 1409 PETSC_EXTERN PetscErrorCode MatDenseGetLocalMatrix(Mat, Mat *); 1410 1411 PETSC_EXTERN PetscErrorCode MatBlockMatSetPreallocation(Mat, PetscInt, PetscInt, const PetscInt[]); 1412 1413 PETSC_EXTERN PetscErrorCode MatStoreValues(Mat); 1414 PETSC_EXTERN PetscErrorCode MatRetrieveValues(Mat); 1415 1416 PETSC_EXTERN PetscErrorCode MatFindNonzeroRows(Mat, IS *); 1417 PETSC_EXTERN PetscErrorCode MatFindZeroRows(Mat, IS *); 1418 /* 1419 These routines are not usually accessed directly, rather solving is 1420 done through the KSP and PC interfaces. 1421 */ 1422 1423 /*J 1424 MatOrderingType - String with the name of a PETSc matrix ordering. These orderings are most commonly used 1425 to reduce fill in sparse factorizations. 1426 1427 Level: beginner 1428 1429 Notes: 1430 If `MATORDERINGEXTERNAL` is used then PETSc does not compute an ordering and instead the external factorization solver package called utilizes one 1431 of its own. 1432 1433 There is no `MatOrdering` object, the ordering is obtained directly from the matrix with `MatGetOrdering()` 1434 1435 Developer Note: 1436 This API should be converted to an API similar to those for `MatColoring` and `MatPartitioning` 1437 1438 .seealso: [](ch_matrices), [](sec_graph), `MatGetFactor()`, `MatGetOrdering()`, `MatColoringType`, `MatPartitioningType`, `MatCoarsenType`, `MatCoarsenType`, 1439 `PCFactorSetOrderingType()` 1440 J*/ 1441 typedef const char *MatOrderingType; 1442 #define MATORDERINGNATURAL "natural" 1443 #define MATORDERINGND "nd" 1444 #define MATORDERING1WD "1wd" 1445 #define MATORDERINGRCM "rcm" 1446 #define MATORDERINGQMD "qmd" 1447 #define MATORDERINGROWLENGTH "rowlength" 1448 #define MATORDERINGWBM "wbm" 1449 #define MATORDERINGSPECTRAL "spectral" 1450 #define MATORDERINGAMD "amd" /* only works if UMFPACK is installed with PETSc */ 1451 #define MATORDERINGMETISND "metisnd" /* only works if METIS is installed with PETSc */ 1452 #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 */ 1453 #define MATORDERINGEXTERNAL "external" /* uses an ordering type internal to the factorization package */ 1454 1455 PETSC_EXTERN PetscErrorCode MatGetOrdering(Mat, MatOrderingType, IS *, IS *); 1456 PETSC_EXTERN PetscErrorCode MatGetOrderingList(PetscFunctionList *); 1457 PETSC_EXTERN PetscErrorCode MatOrderingRegister(const char[], PetscErrorCode (*)(Mat, MatOrderingType, IS *, IS *)); 1458 PETSC_EXTERN PetscFunctionList MatOrderingList; 1459 1460 #include "petscmatcoarsen.h" 1461 1462 PETSC_EXTERN PetscErrorCode MatReorderForNonzeroDiagonal(Mat, PetscReal, IS, IS); 1463 PETSC_EXTERN PetscErrorCode MatCreateLaplacian(Mat, PetscReal, PetscBool, Mat *); 1464 1465 PETSC_EXTERN PetscErrorCode MatFactorGetPreferredOrdering(Mat, MatFactorType, MatOrderingType *); 1466 1467 /*S 1468 MatFactorShiftType - Type of numeric shift used for factorizations 1469 1470 Values: 1471 + `MAT_SHIFT_NONE` - do not shift the matrix diagonal entries 1472 . `MAT_SHIFT_NONZERO` - shift the entries to be non-zero 1473 . `MAT_SHIFT_POSITIVE_DEFINITE` - shift the entries to force the factorization to be positive definite 1474 - `MAT_SHIFT_INBLOCKS` - only shift the factors inside the small dense diagonal blocks of the matrix, for example with `MATBAIJ` 1475 1476 Level: intermediate 1477 1478 .seealso: [](ch_matrices), `Mat`, `MatGetFactor()`, `PCFactorSetShiftType()` 1479 S*/ 1480 typedef enum { 1481 MAT_SHIFT_NONE, 1482 MAT_SHIFT_NONZERO, 1483 MAT_SHIFT_POSITIVE_DEFINITE, 1484 MAT_SHIFT_INBLOCKS 1485 } MatFactorShiftType; 1486 PETSC_EXTERN const char *const MatFactorShiftTypes[]; 1487 PETSC_EXTERN const char *const MatFactorShiftTypesDetail[]; 1488 1489 /*S 1490 MatFactorError - indicates what type of error was generated in a matrix factorization 1491 1492 Values: 1493 + `MAT_FACTOR_NOERROR` - there was no error during the factorization 1494 . `MAT_FACTOR_STRUCT_ZEROPIVOT` - there was a missing entry in a diagonal location of the matrix 1495 . `MAT_FACTOR_NUMERIC_ZEROPIVOT` - there was a (near) zero pivot during the factorization 1496 . `MAT_FACTOR_OUTMEMORY` - the factorization has run out of memory 1497 - `MAT_FACTOR_OTHER` - some other error has occurred. 1498 1499 Level: intermediate 1500 1501 Note: 1502 When a factorization is done in a preconditioner `PC` the error may be propagated up to a `PCFailedReason` or a `KSPConvergedReason` 1503 1504 .seealso: [](ch_matrices), `Mat`, `MatGetFactor()`, `MatFactorGetError()`, `MatFactorGetErrorZeroPivot()`, `MatFactorClearError()`, 1505 `PCFailedReason`, `PCGetFailedReason()`, `KSPConvergedReason` 1506 S*/ 1507 typedef enum { 1508 MAT_FACTOR_NOERROR, 1509 MAT_FACTOR_STRUCT_ZEROPIVOT, 1510 MAT_FACTOR_NUMERIC_ZEROPIVOT, 1511 MAT_FACTOR_OUTMEMORY, 1512 MAT_FACTOR_OTHER 1513 } MatFactorError; 1514 1515 PETSC_EXTERN PetscErrorCode MatFactorGetError(Mat, MatFactorError *); 1516 PETSC_EXTERN PetscErrorCode MatFactorClearError(Mat); 1517 PETSC_EXTERN PetscErrorCode MatFactorGetErrorZeroPivot(Mat, PetscReal *, PetscInt *); 1518 1519 /*S 1520 MatFactorInfo - Data passed into the matrix factorization routines, and information about the resulting factorization 1521 1522 Level: developer 1523 1524 Note: 1525 You can use `MatFactorInfoInitialize()` to set default values. 1526 1527 Fortran Note: 1528 The data is available in a double precision arrays of size `MAT_FACTORINFO_SIZE` 1529 1530 .seealso: [](ch_matrices), `Mat`, `MatInfo`, `MatGetFactor()`, `MatLUFactorSymbolic()`, `MatILUFactorSymbolic()`, `MatCholeskyFactorSymbolic()`, 1531 `MatICCFactorSymbolic()`, `MatICCFactor()`, `MatFactorInfoInitialize()` 1532 S*/ 1533 typedef struct { 1534 PetscReal diagonal_fill; /* force diagonal to fill in if initially not filled */ 1535 PetscReal usedt; 1536 PetscReal dt; /* drop tolerance */ 1537 PetscReal dtcol; /* tolerance for pivoting */ 1538 PetscReal dtcount; /* maximum nonzeros to be allowed per row */ 1539 PetscReal fill; /* expected fill, nonzeros in factored matrix/nonzeros in original matrix */ 1540 PetscReal levels; /* ICC/ILU(levels) */ 1541 PetscReal pivotinblocks; /* for BAIJ and SBAIJ matrices pivot in factorization on blocks, default 1.0 1542 factorization may be faster if do not pivot */ 1543 PetscReal zeropivot; /* pivot is called zero if less than this */ 1544 PetscReal shifttype; /* type of shift added to matrix factor to prevent zero pivots */ 1545 PetscReal shiftamount; /* how large the shift is */ 1546 } MatFactorInfo; 1547 1548 PETSC_EXTERN PetscErrorCode MatFactorInfoInitialize(MatFactorInfo *); 1549 PETSC_EXTERN PetscErrorCode MatCholeskyFactor(Mat, IS, const MatFactorInfo *); 1550 PETSC_EXTERN PetscErrorCode MatCholeskyFactorSymbolic(Mat, Mat, IS, const MatFactorInfo *); 1551 PETSC_EXTERN PetscErrorCode MatCholeskyFactorNumeric(Mat, Mat, const MatFactorInfo *); 1552 PETSC_EXTERN PetscErrorCode MatLUFactor(Mat, IS, IS, const MatFactorInfo *); 1553 PETSC_EXTERN PetscErrorCode MatILUFactor(Mat, IS, IS, const MatFactorInfo *); 1554 PETSC_EXTERN PetscErrorCode MatLUFactorSymbolic(Mat, Mat, IS, IS, const MatFactorInfo *); 1555 PETSC_EXTERN PetscErrorCode MatILUFactorSymbolic(Mat, Mat, IS, IS, const MatFactorInfo *); 1556 PETSC_EXTERN PetscErrorCode MatICCFactorSymbolic(Mat, Mat, IS, const MatFactorInfo *); 1557 PETSC_EXTERN PetscErrorCode MatICCFactor(Mat, IS, const MatFactorInfo *); 1558 PETSC_EXTERN PetscErrorCode MatLUFactorNumeric(Mat, Mat, const MatFactorInfo *); 1559 PETSC_EXTERN PetscErrorCode MatQRFactor(Mat, IS, const MatFactorInfo *); 1560 PETSC_EXTERN PetscErrorCode MatQRFactorSymbolic(Mat, Mat, IS, const MatFactorInfo *); 1561 PETSC_EXTERN PetscErrorCode MatQRFactorNumeric(Mat, Mat, const MatFactorInfo *); 1562 PETSC_EXTERN PetscErrorCode MatGetInertia(Mat, PetscInt *, PetscInt *, PetscInt *); 1563 PETSC_EXTERN PetscErrorCode MatSolve(Mat, Vec, Vec); 1564 PETSC_EXTERN PetscErrorCode MatForwardSolve(Mat, Vec, Vec); 1565 PETSC_EXTERN PetscErrorCode MatBackwardSolve(Mat, Vec, Vec); 1566 PETSC_EXTERN PetscErrorCode MatSolveAdd(Mat, Vec, Vec, Vec); 1567 PETSC_EXTERN PetscErrorCode MatSolveTranspose(Mat, Vec, Vec); 1568 PETSC_EXTERN PetscErrorCode MatSolveTransposeAdd(Mat, Vec, Vec, Vec); 1569 PETSC_EXTERN PetscErrorCode MatSolves(Mat, Vecs, Vecs); 1570 PETSC_EXTERN PetscErrorCode MatSetUnfactored(Mat); 1571 1572 typedef enum { 1573 MAT_FACTOR_SCHUR_UNFACTORED, 1574 MAT_FACTOR_SCHUR_FACTORED, 1575 MAT_FACTOR_SCHUR_INVERTED 1576 } MatFactorSchurStatus; 1577 PETSC_EXTERN PetscErrorCode MatFactorSetSchurIS(Mat, IS); 1578 PETSC_EXTERN PetscErrorCode MatFactorGetSchurComplement(Mat, Mat *, MatFactorSchurStatus *); 1579 PETSC_EXTERN PetscErrorCode MatFactorRestoreSchurComplement(Mat, Mat *, MatFactorSchurStatus); 1580 PETSC_EXTERN PetscErrorCode MatFactorInvertSchurComplement(Mat); 1581 PETSC_EXTERN PetscErrorCode MatFactorCreateSchurComplement(Mat, Mat *, MatFactorSchurStatus *); 1582 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplement(Mat, Vec, Vec); 1583 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplementTranspose(Mat, Vec, Vec); 1584 PETSC_EXTERN PetscErrorCode MatFactorFactorizeSchurComplement(Mat); 1585 1586 PETSC_EXTERN PetscErrorCode MatSeqDenseInvert(Mat); 1587 /*E 1588 MatSORType - What type of (S)SOR to perform 1589 1590 Values: 1591 + `SOR_FORWARD_SWEEP` - do a sweep from the first row of the matrix to the last 1592 . `SOR_BACKWARD_SWEEP` - do a sweep from the last row to the first 1593 . `SOR_SYMMETRIC_SWEEP` - do a sweep from the first row to the last and then back to the first 1594 . `SOR_LOCAL_FORWARD_SWEEP` - each MPI process does its own forward sweep with no communication 1595 . `SOR_LOCAL_BACKWARD_SWEEP` - each MPI process does its own backward sweep with no communication 1596 . `SOR_LOCAL_SYMMETRIC_SWEEP` - each MPI process does its own symmetric sweep with no communication 1597 . `SOR_ZERO_INITIAL_GUESS` - indicates the initial solution is zero so the sweep can avoid unneeded computation 1598 . `SOR_EISENSTAT` - apply the Eisentat application of SOR, see `PCEISENSTAT` 1599 . `SOR_APPLY_UPPER` - multiply by the upper triangular portion of the matrix 1600 - `SOR_APPLY_LOWER` - multiply by the lower triangular portion of the matrix 1601 1602 Level: beginner 1603 1604 Note: 1605 These may be bitwise ORd together 1606 1607 Developer Note: 1608 Since `MatSORType` may be bitwise ORd together, so do not change the numerical values below 1609 1610 .seealso: [](ch_matrices), `MatSOR()` 1611 E*/ 1612 typedef enum { 1613 SOR_FORWARD_SWEEP = 1, 1614 SOR_BACKWARD_SWEEP = 2, 1615 SOR_SYMMETRIC_SWEEP = 3, 1616 SOR_LOCAL_FORWARD_SWEEP = 4, 1617 SOR_LOCAL_BACKWARD_SWEEP = 8, 1618 SOR_LOCAL_SYMMETRIC_SWEEP = 12, 1619 SOR_ZERO_INITIAL_GUESS = 16, 1620 SOR_EISENSTAT = 32, 1621 SOR_APPLY_UPPER = 64, 1622 SOR_APPLY_LOWER = 128 1623 } MatSORType; 1624 PETSC_EXTERN PetscErrorCode MatSOR(Mat, Vec, PetscReal, MatSORType, PetscReal, PetscInt, PetscInt, Vec); 1625 1626 /*S 1627 MatColoring - Object for managing the coloring of matrices. 1628 1629 Level: beginner 1630 1631 Notes: 1632 Coloring of matrices can be computed directly from the sparse matrix nonzero structure via the `MatColoring` object or from the mesh from which the 1633 matrix comes from via `DMCreateColoring()`. In general using the mesh produces a more optimal coloring (fewer colors). 1634 1635 Once a coloring is available `MatFDColoringCreate()` creates an object that can be used to efficiently compute Jacobians using that coloring. This 1636 same object can also be used to efficiently convert data created by Automatic Differentiation tools to PETSc sparse matrices. 1637 1638 .seealso: [](ch_matrices), [](sec_graph), `MatFDColoringCreate()`, `MatColoringWeightType`, `ISColoring`, `MatFDColoring`, `DMCreateColoring()`, `MatColoringCreate()`, 1639 `MatPartitioning`, `MatColoringType`, `MatPartitioningType`, `MatOrderingType`, `MatColoringSetWeightType()`, 1640 `MatColoringSetWeights()`, `MatCoarsenType`, `MatCoarsen` 1641 S*/ 1642 typedef struct _p_MatColoring *MatColoring; 1643 1644 /*J 1645 MatColoringType - String with the name of a PETSc matrix coloring 1646 1647 Level: beginner 1648 1649 .seealso: [](ch_matrices), [](sec_graph), `Mat`, `MatFDColoringCreate()`, `MatColoringSetType()`, `MatColoring` 1650 J*/ 1651 typedef const char *MatColoringType; 1652 #define MATCOLORINGJP "jp" 1653 #define MATCOLORINGPOWER "power" 1654 #define MATCOLORINGNATURAL "natural" 1655 #define MATCOLORINGSL "sl" 1656 #define MATCOLORINGLF "lf" 1657 #define MATCOLORINGID "id" 1658 #define MATCOLORINGGREEDY "greedy" 1659 1660 /*E 1661 MatColoringWeightType - Type of weight scheme used for the coloring algorithm 1662 1663 Values: 1664 + `MAT_COLORING_RANDOM` - Random weights 1665 . `MAT_COLORING_LEXICAL` - Lexical weighting based upon global numbering. 1666 - `MAT_COLORING_LF` - Last-first weighting. 1667 1668 Level: intermediate 1669 1670 .seealso: [](ch_matrices), `MatColoring`, `MatColoringCreate()`, `MatColoringSetWeightType()`, `MatColoringSetWeights()` 1671 E*/ 1672 typedef enum { 1673 MAT_COLORING_WEIGHT_RANDOM, 1674 MAT_COLORING_WEIGHT_LEXICAL, 1675 MAT_COLORING_WEIGHT_LF, 1676 MAT_COLORING_WEIGHT_SL 1677 } MatColoringWeightType; 1678 1679 PETSC_EXTERN PetscErrorCode MatColoringCreate(Mat, MatColoring *); 1680 PETSC_EXTERN PetscErrorCode MatColoringGetDegrees(Mat, PetscInt, PetscInt *); 1681 PETSC_EXTERN PetscErrorCode MatColoringDestroy(MatColoring *); 1682 PETSC_EXTERN PetscErrorCode MatColoringView(MatColoring, PetscViewer); 1683 PETSC_EXTERN PetscErrorCode MatColoringSetType(MatColoring, MatColoringType); 1684 PETSC_EXTERN PetscErrorCode MatColoringSetFromOptions(MatColoring); 1685 PETSC_EXTERN PetscErrorCode MatColoringSetDistance(MatColoring, PetscInt); 1686 PETSC_EXTERN PetscErrorCode MatColoringGetDistance(MatColoring, PetscInt *); 1687 PETSC_EXTERN PetscErrorCode MatColoringSetMaxColors(MatColoring, PetscInt); 1688 PETSC_EXTERN PetscErrorCode MatColoringGetMaxColors(MatColoring, PetscInt *); 1689 PETSC_EXTERN PetscErrorCode MatColoringApply(MatColoring, ISColoring *); 1690 PETSC_EXTERN PetscErrorCode MatColoringRegister(const char[], PetscErrorCode (*)(MatColoring)); 1691 PETSC_EXTERN PetscErrorCode MatColoringPatch(Mat, PetscInt, PetscInt, ISColoringValue[], ISColoring *); 1692 PETSC_EXTERN PetscErrorCode MatColoringSetWeightType(MatColoring, MatColoringWeightType); 1693 PETSC_EXTERN PetscErrorCode MatColoringSetWeights(MatColoring, PetscReal *, PetscInt *); 1694 PETSC_EXTERN PetscErrorCode MatColoringCreateWeights(MatColoring, PetscReal **, PetscInt **lperm); 1695 PETSC_EXTERN PetscErrorCode MatColoringTest(MatColoring, ISColoring); 1696 PETSC_DEPRECATED_FUNCTION(3, 10, 0, "MatColoringTest()", ) static inline PetscErrorCode MatColoringTestValid(MatColoring matcoloring, ISColoring iscoloring) 1697 { 1698 return MatColoringTest(matcoloring, iscoloring); 1699 } 1700 PETSC_EXTERN PetscErrorCode MatISColoringTest(Mat, ISColoring); 1701 1702 /*S 1703 MatFDColoring - Object for computing a sparse Jacobian via finite differences with coloring 1704 1705 Level: beginner 1706 1707 Notes: 1708 This object is creating utilizing a coloring provided by the `MatColoring` object or `DMCreateColoring()` 1709 1710 The `SNES` option `-snes_fd_coloring` will cause the Jacobian needed by `SNES` to be computed via a use of this object 1711 1712 .seealso: [](ch_matrices), `Mat`, `MatFDColoringCreate()`, `MatFDColoringSetFunction()`, `MatColoring`, `DMCreateColoring()` 1713 S*/ 1714 typedef struct _p_MatFDColoring *MatFDColoring; 1715 1716 PETSC_EXTERN PetscErrorCode MatFDColoringCreate(Mat, ISColoring, MatFDColoring *); 1717 PETSC_EXTERN PetscErrorCode MatFDColoringDestroy(MatFDColoring *); 1718 PETSC_EXTERN PetscErrorCode MatFDColoringView(MatFDColoring, PetscViewer); 1719 PETSC_EXTERN PetscErrorCode MatFDColoringSetFunction(MatFDColoring, PetscErrorCode (*)(void), void *); 1720 PETSC_EXTERN PetscErrorCode MatFDColoringGetFunction(MatFDColoring, PetscErrorCode (**)(void), void **); 1721 PETSC_EXTERN PetscErrorCode MatFDColoringSetParameters(MatFDColoring, PetscReal, PetscReal); 1722 PETSC_EXTERN PetscErrorCode MatFDColoringSetFromOptions(MatFDColoring); 1723 PETSC_EXTERN PetscErrorCode MatFDColoringApply(Mat, MatFDColoring, Vec, void *); 1724 PETSC_EXTERN PetscErrorCode MatFDColoringSetF(MatFDColoring, Vec); 1725 PETSC_EXTERN PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring, PetscInt *, const PetscInt *[]); 1726 PETSC_EXTERN PetscErrorCode MatFDColoringSetUp(Mat, ISColoring, MatFDColoring); 1727 PETSC_EXTERN PetscErrorCode MatFDColoringSetBlockSize(MatFDColoring, PetscInt, PetscInt); 1728 PETSC_EXTERN PetscErrorCode MatFDColoringSetValues(Mat, MatFDColoring, const PetscScalar *); 1729 1730 /*S 1731 MatTransposeColoring - Object for computing a sparse matrix product $C = A*B^T$ via coloring 1732 1733 Level: developer 1734 1735 .seealso: [](ch_matrices), `Mat`, `MatProductType`, `MatTransposeColoringCreate()` 1736 S*/ 1737 typedef struct _p_MatTransposeColoring *MatTransposeColoring; 1738 1739 PETSC_EXTERN PetscErrorCode MatTransposeColoringCreate(Mat, ISColoring, MatTransposeColoring *); 1740 PETSC_EXTERN PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring, Mat, Mat); 1741 PETSC_EXTERN PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring, Mat, Mat); 1742 PETSC_EXTERN PetscErrorCode MatTransposeColoringDestroy(MatTransposeColoring *); 1743 1744 /*S 1745 MatPartitioning - Object for managing the partitioning of a matrix or graph 1746 1747 Level: beginner 1748 1749 Note: 1750 There is also a `PetscPartitioner` object that provides the same functionality. It can utilize the `MatPartitioning` operations 1751 via `PetscPartitionerSetType`(p,`PETSCPARTITIONERMATPARTITIONING`) 1752 1753 Developer Note: 1754 It is an extra maintenance and documentation cost to have two objects with the same functionality. `PetscPartitioner` should be removed 1755 1756 .seealso: [](ch_matrices), [](sec_graph), `Mat`, `MatPartitioningCreate()`, `MatPartitioningType`, `MatColoring`, `MatGetOrdering()`, `MatOrderingType`, 1757 `MatCoarsenType`, `MatCoarsenType` 1758 S*/ 1759 typedef struct _p_MatPartitioning *MatPartitioning; 1760 1761 /*J 1762 MatPartitioningType - String with the name of a PETSc matrix partitioning 1763 1764 Level: beginner 1765 dm 1766 .seealso: [](ch_matrices), [](sec_graph), `Mat`, `MatPartitioningCreate()`, `MatPartitioning`, `MatPartitioningSetType()`, `MatColoringType`, `MatOrderingType`, 1767 `MatCoarsenType`, `MatCoarsenType` 1768 J*/ 1769 typedef const char *MatPartitioningType; 1770 #define MATPARTITIONINGCURRENT "current" 1771 #define MATPARTITIONINGAVERAGE "average" 1772 #define MATPARTITIONINGSQUARE "square" 1773 #define MATPARTITIONINGPARMETIS "parmetis" 1774 #define MATPARTITIONINGCHACO "chaco" 1775 #define MATPARTITIONINGPARTY "party" 1776 #define MATPARTITIONINGPTSCOTCH "ptscotch" 1777 #define MATPARTITIONINGHIERARCH "hierarch" 1778 1779 PETSC_EXTERN PetscErrorCode MatPartitioningCreate(MPI_Comm, MatPartitioning *); 1780 PETSC_EXTERN PetscErrorCode MatPartitioningSetType(MatPartitioning, MatPartitioningType); 1781 PETSC_EXTERN PetscErrorCode MatPartitioningSetNParts(MatPartitioning, PetscInt); 1782 PETSC_EXTERN PetscErrorCode MatPartitioningSetAdjacency(MatPartitioning, Mat); 1783 PETSC_EXTERN PetscErrorCode MatPartitioningSetNumberVertexWeights(MatPartitioning, PetscInt); 1784 PETSC_EXTERN PetscErrorCode MatPartitioningSetVertexWeights(MatPartitioning, const PetscInt[]); 1785 PETSC_EXTERN PetscErrorCode MatPartitioningSetPartitionWeights(MatPartitioning, const PetscReal[]); 1786 PETSC_EXTERN PetscErrorCode MatPartitioningSetUseEdgeWeights(MatPartitioning, PetscBool); 1787 PETSC_EXTERN PetscErrorCode MatPartitioningGetUseEdgeWeights(MatPartitioning, PetscBool *); 1788 PETSC_EXTERN PetscErrorCode MatPartitioningApply(MatPartitioning, IS *); 1789 PETSC_EXTERN PetscErrorCode MatPartitioningImprove(MatPartitioning, IS *); 1790 PETSC_EXTERN PetscErrorCode MatPartitioningViewImbalance(MatPartitioning, IS); 1791 PETSC_EXTERN PetscErrorCode MatPartitioningApplyND(MatPartitioning, IS *); 1792 PETSC_EXTERN PetscErrorCode MatPartitioningDestroy(MatPartitioning *); 1793 PETSC_EXTERN PetscErrorCode MatPartitioningRegister(const char[], PetscErrorCode (*)(MatPartitioning)); 1794 PETSC_EXTERN PetscErrorCode MatPartitioningView(MatPartitioning, PetscViewer); 1795 PETSC_EXTERN PetscErrorCode MatPartitioningViewFromOptions(MatPartitioning, PetscObject, const char[]); 1796 PETSC_EXTERN PetscErrorCode MatPartitioningSetFromOptions(MatPartitioning); 1797 PETSC_EXTERN PetscErrorCode MatPartitioningGetType(MatPartitioning, MatPartitioningType *); 1798 1799 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetRepartition(MatPartitioning part); 1800 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetCoarseSequential(MatPartitioning); 1801 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisGetEdgeCut(MatPartitioning, PetscInt *); 1802 1803 typedef enum { 1804 MP_CHACO_MULTILEVEL = 1, 1805 MP_CHACO_SPECTRAL = 2, 1806 MP_CHACO_LINEAR = 4, 1807 MP_CHACO_RANDOM = 5, 1808 MP_CHACO_SCATTERED = 6 1809 } MPChacoGlobalType; 1810 PETSC_EXTERN const char *const MPChacoGlobalTypes[]; 1811 typedef enum { 1812 MP_CHACO_KERNIGHAN = 1, 1813 MP_CHACO_NONE = 2 1814 } MPChacoLocalType; 1815 PETSC_EXTERN const char *const MPChacoLocalTypes[]; 1816 typedef enum { 1817 MP_CHACO_LANCZOS = 0, 1818 MP_CHACO_RQI = 1 1819 } MPChacoEigenType; 1820 PETSC_EXTERN const char *const MPChacoEigenTypes[]; 1821 1822 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetGlobal(MatPartitioning, MPChacoGlobalType); 1823 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetGlobal(MatPartitioning, MPChacoGlobalType *); 1824 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetLocal(MatPartitioning, MPChacoLocalType); 1825 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetLocal(MatPartitioning, MPChacoLocalType *); 1826 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetCoarseLevel(MatPartitioning, PetscReal); 1827 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning, MPChacoEigenType); 1828 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenSolver(MatPartitioning, MPChacoEigenType *); 1829 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning, PetscReal); 1830 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenTol(MatPartitioning, PetscReal *); 1831 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenNumber(MatPartitioning, PetscInt); 1832 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenNumber(MatPartitioning, PetscInt *); 1833 1834 #define MP_PARTY_OPT "opt" 1835 #define MP_PARTY_LIN "lin" 1836 #define MP_PARTY_SCA "sca" 1837 #define MP_PARTY_RAN "ran" 1838 #define MP_PARTY_GBF "gbf" 1839 #define MP_PARTY_GCF "gcf" 1840 #define MP_PARTY_BUB "bub" 1841 #define MP_PARTY_DEF "def" 1842 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetGlobal(MatPartitioning, const char *); 1843 #define MP_PARTY_HELPFUL_SETS "hs" 1844 #define MP_PARTY_KERNIGHAN_LIN "kl" 1845 #define MP_PARTY_NONE "no" 1846 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetLocal(MatPartitioning, const char *); 1847 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetCoarseLevel(MatPartitioning, PetscReal); 1848 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetBipart(MatPartitioning, PetscBool); 1849 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetMatchOptimization(MatPartitioning, PetscBool); 1850 1851 typedef enum { 1852 MP_PTSCOTCH_DEFAULT, 1853 MP_PTSCOTCH_QUALITY, 1854 MP_PTSCOTCH_SPEED, 1855 MP_PTSCOTCH_BALANCE, 1856 MP_PTSCOTCH_SAFETY, 1857 MP_PTSCOTCH_SCALABILITY 1858 } MPPTScotchStrategyType; 1859 PETSC_EXTERN const char *const MPPTScotchStrategyTypes[]; 1860 1861 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning, PetscReal); 1862 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetImbalance(MatPartitioning, PetscReal *); 1863 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning, MPPTScotchStrategyType); 1864 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetStrategy(MatPartitioning, MPPTScotchStrategyType *); 1865 1866 /* 1867 * hierarchical partitioning 1868 */ 1869 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetFineparts(MatPartitioning, IS *); 1870 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetCoarseparts(MatPartitioning, IS *); 1871 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNcoarseparts(MatPartitioning, PetscInt); 1872 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNfineparts(MatPartitioning, PetscInt); 1873 1874 PETSC_EXTERN PetscErrorCode MatMeshToCellGraph(Mat, PetscInt, Mat *); 1875 1876 /* 1877 If you add entries here you must also add them to src/mat/f90-mod/petscmat.h 1878 If any of the enum values are changed, also update dMatOps dict at src/binding/petsc4py/src/libpetsc4py/libpetsc4py.pyx 1879 */ 1880 typedef enum { 1881 MATOP_SET_VALUES = 0, 1882 MATOP_GET_ROW = 1, 1883 MATOP_RESTORE_ROW = 2, 1884 MATOP_MULT = 3, 1885 MATOP_MULT_ADD = 4, 1886 MATOP_MULT_TRANSPOSE = 5, 1887 MATOP_MULT_TRANSPOSE_ADD = 6, 1888 MATOP_SOLVE = 7, 1889 MATOP_SOLVE_ADD = 8, 1890 MATOP_SOLVE_TRANSPOSE = 9, 1891 MATOP_SOLVE_TRANSPOSE_ADD = 10, 1892 MATOP_LUFACTOR = 11, 1893 MATOP_CHOLESKYFACTOR = 12, 1894 MATOP_SOR = 13, 1895 MATOP_TRANSPOSE = 14, 1896 MATOP_GETINFO = 15, 1897 MATOP_EQUAL = 16, 1898 MATOP_GET_DIAGONAL = 17, 1899 MATOP_DIAGONAL_SCALE = 18, 1900 MATOP_NORM = 19, 1901 MATOP_ASSEMBLY_BEGIN = 20, 1902 MATOP_ASSEMBLY_END = 21, 1903 MATOP_SET_OPTION = 22, 1904 MATOP_ZERO_ENTRIES = 23, 1905 MATOP_ZERO_ROWS = 24, 1906 MATOP_LUFACTOR_SYMBOLIC = 25, 1907 MATOP_LUFACTOR_NUMERIC = 26, 1908 MATOP_CHOLESKY_FACTOR_SYMBOLIC = 27, 1909 MATOP_CHOLESKY_FACTOR_NUMERIC = 28, 1910 MATOP_SETUP = 29, 1911 MATOP_ILUFACTOR_SYMBOLIC = 30, 1912 MATOP_ICCFACTOR_SYMBOLIC = 31, 1913 MATOP_GET_DIAGONAL_BLOCK = 32, 1914 MATOP_SET_INF = 33, 1915 MATOP_DUPLICATE = 34, 1916 MATOP_FORWARD_SOLVE = 35, 1917 MATOP_BACKWARD_SOLVE = 36, 1918 MATOP_ILUFACTOR = 37, 1919 MATOP_ICCFACTOR = 38, 1920 MATOP_AXPY = 39, 1921 MATOP_CREATE_SUBMATRICES = 40, 1922 MATOP_INCREASE_OVERLAP = 41, 1923 MATOP_GET_VALUES = 42, 1924 MATOP_COPY = 43, 1925 MATOP_GET_ROW_MAX = 44, 1926 MATOP_SCALE = 45, 1927 MATOP_SHIFT = 46, 1928 MATOP_DIAGONAL_SET = 47, 1929 MATOP_ZERO_ROWS_COLUMNS = 48, 1930 MATOP_SET_RANDOM = 49, 1931 MATOP_GET_ROW_IJ = 50, 1932 MATOP_RESTORE_ROW_IJ = 51, 1933 MATOP_GET_COLUMN_IJ = 52, 1934 MATOP_RESTORE_COLUMN_IJ = 53, 1935 MATOP_FDCOLORING_CREATE = 54, 1936 MATOP_COLORING_PATCH = 55, 1937 MATOP_SET_UNFACTORED = 56, 1938 MATOP_PERMUTE = 57, 1939 MATOP_SET_VALUES_BLOCKED = 58, 1940 MATOP_CREATE_SUBMATRIX = 59, 1941 MATOP_DESTROY = 60, 1942 MATOP_VIEW = 61, 1943 MATOP_CONVERT_FROM = 62, 1944 /* MATOP_PLACEHOLDER_63=63 */ 1945 MATOP_MATMAT_MULT_SYMBOLIC = 64, 1946 MATOP_MATMAT_MULT_NUMERIC = 65, 1947 MATOP_SET_LOCAL_TO_GLOBAL_MAP = 66, 1948 MATOP_SET_VALUES_LOCAL = 67, 1949 MATOP_ZERO_ROWS_LOCAL = 68, 1950 MATOP_GET_ROW_MAX_ABS = 69, 1951 MATOP_GET_ROW_MIN_ABS = 70, 1952 MATOP_CONVERT = 71, 1953 MATOP_HAS_OPERATION = 72, 1954 /* MATOP_PLACEHOLDER_73=73, */ 1955 MATOP_SET_VALUES_ADIFOR = 74, 1956 MATOP_FD_COLORING_APPLY = 75, 1957 MATOP_SET_FROM_OPTIONS = 76, 1958 /* MATOP_PLACEHOLDER_77=77, */ 1959 /* MATOP_PLACEHOLDER_78=78, */ 1960 MATOP_FIND_ZERO_DIAGONALS = 79, 1961 MATOP_MULT_MULTIPLE = 80, 1962 MATOP_SOLVE_MULTIPLE = 81, 1963 MATOP_GET_INERTIA = 82, 1964 MATOP_LOAD = 83, 1965 MATOP_IS_SYMMETRIC = 84, 1966 MATOP_IS_HERMITIAN = 85, 1967 MATOP_IS_STRUCTURALLY_SYMMETRIC = 86, 1968 MATOP_SET_VALUES_BLOCKEDLOCAL = 87, 1969 MATOP_CREATE_VECS = 88, 1970 /* MATOP_PLACEHOLDER_89=89, */ 1971 MATOP_MAT_MULT_SYMBOLIC = 90, 1972 MATOP_MAT_MULT_NUMERIC = 91, 1973 /* MATOP_PLACEHOLDER_92=92, */ 1974 MATOP_PTAP_SYMBOLIC = 93, 1975 MATOP_PTAP_NUMERIC = 94, 1976 /* MATOP_PLACEHOLDER_95=95, */ 1977 MATOP_MAT_TRANSPOSE_MULT_SYMBO = 96, 1978 MATOP_MAT_TRANSPOSE_MULT_NUMER = 97, 1979 MATOP_BIND_TO_CPU = 98, 1980 MATOP_PRODUCTSETFROMOPTIONS = 99, 1981 MATOP_PRODUCTSYMBOLIC = 100, 1982 MATOP_PRODUCTNUMERIC = 101, 1983 MATOP_CONJUGATE = 102, 1984 MATOP_VIEW_NATIVE = 103, 1985 MATOP_SET_VALUES_ROW = 104, 1986 MATOP_REAL_PART = 105, 1987 MATOP_IMAGINARY_PART = 106, 1988 MATOP_GET_ROW_UPPER_TRIANGULAR = 107, 1989 MATOP_RESTORE_ROW_UPPER_TRIANG = 108, 1990 MATOP_MAT_SOLVE = 109, 1991 MATOP_MAT_SOLVE_TRANSPOSE = 110, 1992 MATOP_GET_ROW_MIN = 111, 1993 MATOP_GET_COLUMN_VECTOR = 112, 1994 MATOP_MISSING_DIAGONAL = 113, 1995 MATOP_GET_SEQ_NONZERO_STRUCTUR = 114, 1996 MATOP_CREATE = 115, 1997 MATOP_GET_GHOSTS = 116, 1998 MATOP_GET_LOCAL_SUB_MATRIX = 117, 1999 MATOP_RESTORE_LOCALSUB_MATRIX = 118, 2000 MATOP_MULT_DIAGONAL_BLOCK = 119, 2001 MATOP_HERMITIAN_TRANSPOSE = 120, 2002 MATOP_MULT_HERMITIAN_TRANSPOSE = 121, 2003 MATOP_MULT_HERMITIAN_TRANS_ADD = 122, 2004 MATOP_GET_MULTI_PROC_BLOCK = 123, 2005 MATOP_FIND_NONZERO_ROWS = 124, 2006 MATOP_GET_COLUMN_NORMS = 125, 2007 MATOP_INVERT_BLOCK_DIAGONAL = 126, 2008 MATOP_INVERT_VBLOCK_DIAGONAL = 127, 2009 MATOP_CREATE_SUB_MATRICES_MPI = 128, 2010 MATOP_SET_VALUES_BATCH = 129, 2011 /* MATOP_PLACEHOLDER_130=130, */ 2012 MATOP_TRANSPOSE_MAT_MULT_SYMBO = 131, 2013 MATOP_TRANSPOSE_MAT_MULT_NUMER = 132, 2014 MATOP_TRANSPOSE_COLORING_CREAT = 133, 2015 MATOP_TRANS_COLORING_APPLY_SPT = 134, 2016 MATOP_TRANS_COLORING_APPLY_DEN = 135, 2017 /* MATOP_PLACEHOLDER_136=136, */ 2018 MATOP_RART_SYMBOLIC = 137, 2019 MATOP_RART_NUMERIC = 138, 2020 MATOP_SET_BLOCK_SIZES = 139, 2021 MATOP_AYPX = 140, 2022 MATOP_RESIDUAL = 141, 2023 MATOP_FDCOLORING_SETUP = 142, 2024 MATOP_FIND_OFFBLOCK_ENTRIES = 143, 2025 MATOP_MPICONCATENATESEQ = 144, 2026 MATOP_DESTROYSUBMATRICES = 145, 2027 MATOP_MAT_TRANSPOSE_SOLVE = 146, 2028 MATOP_GET_VALUES_LOCAL = 147, 2029 MATOP_CREATE_GRAPH = 148, 2030 /* MATOP_PLACEHOLDER_149=149, */ 2031 MATOP_TRANSPOSE_SYMBOLIC = 150, 2032 MATOP_ELIMINATE_ZEROS = 151, 2033 MATOP_GET_ROW_SUM_ABS = 152, 2034 MATOP_GET_FACTOR = 153, 2035 MATOP_GET_BLOCK_DIAGONAL = 154, // NOTE: caller of the two op functions owns the returned matrix 2036 MATOP_GET_VBLOCK_DIAGONAL = 155, // and need to destroy it after use. 2037 MATOP_COPY_HASH_TO_AIJ = 156 2038 } MatOperation; 2039 PETSC_EXTERN PetscErrorCode MatSetOperation(Mat, MatOperation, void (*)(void)); 2040 PETSC_EXTERN PetscErrorCode MatGetOperation(Mat, MatOperation, void (**)(void)); 2041 PETSC_EXTERN PetscErrorCode MatHasOperation(Mat, MatOperation, PetscBool *); 2042 PETSC_EXTERN PetscErrorCode MatHasCongruentLayouts(Mat, PetscBool *); 2043 PETSC_DEPRECATED_FUNCTION(3, 14, 0, "MatProductClear()", ) static inline PetscErrorCode MatFreeIntermediateDataStructures(Mat A) 2044 { 2045 return MatProductClear(A); 2046 } 2047 PETSC_EXTERN PetscErrorCode MatShellSetOperation(Mat, MatOperation, void (*)(void)); 2048 PETSC_EXTERN PetscErrorCode MatShellGetOperation(Mat, MatOperation, void (**)(void)); 2049 PETSC_EXTERN PetscErrorCode MatShellSetContext(Mat, void *); 2050 PETSC_EXTERN PetscErrorCode MatShellSetContextDestroy(Mat, PetscCtxDestroyFn *); 2051 PETSC_EXTERN PetscErrorCode MatShellSetVecType(Mat, VecType); 2052 PETSC_EXTERN PetscErrorCode MatShellTestMult(Mat, PetscErrorCode (*)(void *, Vec, Vec), Vec, void *, PetscBool *); 2053 PETSC_EXTERN PetscErrorCode MatShellTestMultTranspose(Mat, PetscErrorCode (*)(void *, Vec, Vec), Vec, void *, PetscBool *); 2054 PETSC_EXTERN PetscErrorCode MatShellSetManageScalingShifts(Mat); 2055 PETSC_EXTERN PetscErrorCode MatShellSetMatProductOperation(Mat, MatProductType, PetscErrorCode (*)(Mat, Mat, Mat, void **), PetscErrorCode (*)(Mat, Mat, Mat, void *), PetscErrorCode (*)(void *), MatType, MatType); 2056 PETSC_EXTERN PetscErrorCode MatIsShell(Mat, PetscBool *); 2057 2058 /* 2059 Codes for matrices stored on disk. By default they are 2060 stored in a universal format. By changing the format with 2061 PetscViewerPushFormat(viewer,PETSC_VIEWER_NATIVE); the matrices will 2062 be stored in a way natural for the matrix, for example dense matrices 2063 would be stored as dense. Matrices stored this way may only be 2064 read into matrices of the same type. 2065 */ 2066 #define MATRIX_BINARY_FORMAT_DENSE -1 2067 2068 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat, PetscReal); 2069 2070 PETSC_EXTERN PetscErrorCode MatISSetLocalMatType(Mat, MatType); 2071 PETSC_EXTERN PetscErrorCode MatISSetPreallocation(Mat, PetscInt, const PetscInt[], PetscInt, const PetscInt[]); 2072 PETSC_EXTERN PetscErrorCode MatISSetAllowRepeated(Mat, PetscBool); 2073 PETSC_EXTERN PetscErrorCode MatISGetAllowRepeated(Mat, PetscBool *); 2074 PETSC_EXTERN PetscErrorCode MatISStoreL2L(Mat, PetscBool); 2075 PETSC_EXTERN PetscErrorCode MatISFixLocalEmpty(Mat, PetscBool); 2076 PETSC_EXTERN PetscErrorCode MatISGetLocalMat(Mat, Mat *); 2077 PETSC_EXTERN PetscErrorCode MatISRestoreLocalMat(Mat, Mat *); 2078 PETSC_EXTERN PetscErrorCode MatISSetLocalMat(Mat, Mat); 2079 PETSC_EXTERN PetscErrorCode MatISGetLocalToGlobalMapping(Mat, ISLocalToGlobalMapping *, ISLocalToGlobalMapping *); 2080 2081 /*S 2082 MatNullSpace - Object that removes a null space from a vector, i.e. 2083 orthogonalizes the vector to a subspace 2084 2085 Level: advanced 2086 2087 .seealso: [](ch_matrices), `Mat`, `MatNullSpaceCreate()`, `MatNullSpaceSetFunction()`, `MatGetNullSpace()`, `MatSetNullSpace()` 2088 S*/ 2089 typedef struct _p_MatNullSpace *MatNullSpace; 2090 2091 PETSC_EXTERN PetscErrorCode MatNullSpaceCreate(MPI_Comm, PetscBool, PetscInt, const Vec[], MatNullSpace *); 2092 PETSC_EXTERN PetscErrorCode MatNullSpaceSetFunction(MatNullSpace, PetscErrorCode (*)(MatNullSpace, Vec, void *), void *); 2093 PETSC_EXTERN PetscErrorCode MatNullSpaceDestroy(MatNullSpace *); 2094 PETSC_EXTERN PetscErrorCode MatNullSpaceRemove(MatNullSpace, Vec); 2095 PETSC_EXTERN PetscErrorCode MatGetNullSpace(Mat, MatNullSpace *); 2096 PETSC_EXTERN PetscErrorCode MatGetTransposeNullSpace(Mat, MatNullSpace *); 2097 PETSC_EXTERN PetscErrorCode MatSetTransposeNullSpace(Mat, MatNullSpace); 2098 PETSC_EXTERN PetscErrorCode MatSetNullSpace(Mat, MatNullSpace); 2099 PETSC_EXTERN PetscErrorCode MatSetNearNullSpace(Mat, MatNullSpace); 2100 PETSC_EXTERN PetscErrorCode MatGetNearNullSpace(Mat, MatNullSpace *); 2101 PETSC_EXTERN PetscErrorCode MatGetNullSpaces(PetscInt, Mat[], MatNullSpace *[]); 2102 PETSC_EXTERN PetscErrorCode MatRestoreNullSpaces(PetscInt, Mat[], MatNullSpace *[]); 2103 PETSC_EXTERN PetscErrorCode MatNullSpaceTest(MatNullSpace, Mat, PetscBool *); 2104 PETSC_EXTERN PetscErrorCode MatNullSpaceView(MatNullSpace, PetscViewer); 2105 PETSC_EXTERN PetscErrorCode MatNullSpaceGetVecs(MatNullSpace, PetscBool *, PetscInt *, const Vec **); 2106 PETSC_EXTERN PetscErrorCode MatNullSpaceCreateRigidBody(Vec, MatNullSpace *); 2107 2108 PETSC_EXTERN PetscErrorCode MatReorderingSeqSBAIJ(Mat, IS); 2109 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetHashTableFactor(Mat, PetscReal); 2110 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetColumnIndices(Mat, PetscInt *); 2111 2112 PETSC_EXTERN PetscErrorCode MatCreateMAIJ(Mat, PetscInt, Mat *); 2113 PETSC_EXTERN PetscErrorCode MatMAIJRedimension(Mat, PetscInt, Mat *); 2114 PETSC_EXTERN PetscErrorCode MatMAIJGetAIJ(Mat, Mat *); 2115 2116 PETSC_EXTERN PetscErrorCode MatComputeOperator(Mat, MatType, Mat *); 2117 PETSC_EXTERN PetscErrorCode MatComputeOperatorTranspose(Mat, MatType, Mat *); 2118 2119 PETSC_DEPRECATED_FUNCTION(3, 12, 0, "MatComputeOperator()", ) static inline PetscErrorCode MatComputeExplicitOperator(Mat A, Mat *B) 2120 { 2121 return MatComputeOperator(A, PETSC_NULLPTR, B); 2122 } 2123 PETSC_DEPRECATED_FUNCTION(3, 12, 0, "MatComputeOperatorTranspose()", ) static inline PetscErrorCode MatComputeExplicitOperatorTranspose(Mat A, Mat *B) 2124 { 2125 return MatComputeOperatorTranspose(A, PETSC_NULLPTR, B); 2126 } 2127 2128 PETSC_EXTERN PetscErrorCode MatCreateKAIJ(Mat, PetscInt, PetscInt, const PetscScalar[], const PetscScalar[], Mat *); 2129 PETSC_EXTERN PetscErrorCode MatKAIJGetAIJ(Mat, Mat *); 2130 PETSC_EXTERN PetscErrorCode MatKAIJGetS(Mat, PetscInt *, PetscInt *, PetscScalar **); 2131 PETSC_EXTERN PetscErrorCode MatKAIJGetSRead(Mat, PetscInt *, PetscInt *, const PetscScalar **); 2132 PETSC_EXTERN PetscErrorCode MatKAIJRestoreS(Mat, PetscScalar **); 2133 PETSC_EXTERN PetscErrorCode MatKAIJRestoreSRead(Mat, const PetscScalar **); 2134 PETSC_EXTERN PetscErrorCode MatKAIJGetT(Mat, PetscInt *, PetscInt *, PetscScalar **); 2135 PETSC_EXTERN PetscErrorCode MatKAIJGetTRead(Mat, PetscInt *, PetscInt *, const PetscScalar **); 2136 PETSC_EXTERN PetscErrorCode MatKAIJRestoreT(Mat, PetscScalar **); 2137 PETSC_EXTERN PetscErrorCode MatKAIJRestoreTRead(Mat, const PetscScalar **); 2138 PETSC_EXTERN PetscErrorCode MatKAIJSetAIJ(Mat, Mat); 2139 PETSC_EXTERN PetscErrorCode MatKAIJSetS(Mat, PetscInt, PetscInt, const PetscScalar[]); 2140 PETSC_EXTERN PetscErrorCode MatKAIJSetT(Mat, PetscInt, PetscInt, const PetscScalar[]); 2141 PETSC_EXTERN PetscErrorCode MatKAIJGetScaledIdentity(Mat, PetscBool *); 2142 2143 PETSC_EXTERN PetscErrorCode MatDiagonalScaleLocal(Mat, Vec); 2144 2145 PETSC_EXTERN PetscErrorCode MatMFFDInitializePackage(void); 2146 PETSC_EXTERN PetscErrorCode MatMFFDFinalizePackage(void); 2147 2148 PETSC_EXTERN PetscErrorCode MatCreateMFFD(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, Mat *); 2149 PETSC_EXTERN PetscErrorCode MatMFFDSetBase(Mat, Vec, Vec); 2150 PETSC_EXTERN PetscErrorCode MatMFFDSetFunction(Mat, PetscErrorCode (*)(void *, Vec, Vec), void *); 2151 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioni(Mat, PetscErrorCode (*)(void *, PetscInt, Vec, PetscScalar *)); 2152 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioniBase(Mat, PetscErrorCode (*)(void *, Vec)); 2153 PETSC_EXTERN PetscErrorCode MatMFFDSetHHistory(Mat, PetscScalar[], PetscInt); 2154 PETSC_EXTERN PetscErrorCode MatMFFDResetHHistory(Mat); 2155 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctionError(Mat, PetscReal); 2156 PETSC_EXTERN PetscErrorCode MatMFFDSetPeriod(Mat, PetscInt); 2157 PETSC_EXTERN PetscErrorCode MatMFFDGetH(Mat, PetscScalar *); 2158 PETSC_EXTERN PetscErrorCode MatMFFDSetOptionsPrefix(Mat, const char[]); 2159 PETSC_EXTERN PetscErrorCode MatMFFDCheckPositivity(void *, Vec, Vec, PetscScalar *); 2160 PETSC_EXTERN PetscErrorCode MatMFFDSetCheckh(Mat, PetscErrorCode (*)(void *, Vec, Vec, PetscScalar *), void *); 2161 2162 /*S 2163 MatMFFD - A data structured used to manage the computation of the h differencing parameter for matrix-free 2164 Jacobian vector products 2165 2166 Level: developer 2167 2168 Notes: 2169 `MATMFFD` is a specific `MatType` which uses the `MatMFFD` data structure 2170 2171 MatMFFD*() methods actually take the `Mat` as their first argument. Not a `MatMFFD` data structure 2172 2173 This functionality is often obtained using `MatCreateSNESMF()` or with `SNES` solvers using `-snes_mf` or `-snes_mf_operator` 2174 2175 .seealso: [](ch_matrices), `MatMFFDType`, `MATMFFD`, `MatCreateMFFD()`, `MatMFFDSetFuction()`, `MatMFFDSetType()`, `MatMFFDRegister()`, 2176 `MatCreateSNESMF()`, `SNES`, `-snes_mf`, `-snes_mf_operator` 2177 S*/ 2178 typedef struct _p_MatMFFD *MatMFFD; 2179 2180 /*J 2181 MatMFFDType - algorithm used to compute the `h` used in computing matrix-vector products via differencing of a function 2182 2183 Values: 2184 + `MATMFFD_DS` - an algorithm described by Dennis and Schnabel {cite}`dennis:83` 2185 - `MATMFFD_WP` - the Walker-Pernice {cite}`pw98` strategy. 2186 2187 Level: beginner 2188 2189 .seealso: [](ch_matrices), `MatMFFDSetType()`, `MatMFFDRegister()`, `MatMFFDSetFunction()`, `MatCreateMFFD()` 2190 J*/ 2191 typedef const char *MatMFFDType; 2192 #define MATMFFD_DS "ds" 2193 #define MATMFFD_WP "wp" 2194 2195 PETSC_EXTERN PetscErrorCode MatMFFDSetType(Mat, MatMFFDType); 2196 PETSC_EXTERN PetscErrorCode MatMFFDRegister(const char[], PetscErrorCode (*)(MatMFFD)); 2197 2198 PETSC_EXTERN PetscErrorCode MatMFFDDSSetUmin(Mat, PetscReal); 2199 PETSC_EXTERN PetscErrorCode MatMFFDWPSetComputeNormU(Mat, PetscBool); 2200 2201 PETSC_EXTERN PetscErrorCode MatFDColoringSetType(MatFDColoring, MatMFFDType); 2202 2203 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutMatrix(PetscViewer, PetscInt, PetscInt, PetscReal *); 2204 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutCSRMatrix(PetscViewer, PetscInt, PetscInt, PetscInt *, PetscInt *, PetscReal *); 2205 2206 #ifdef PETSC_HAVE_H2OPUS 2207 PETSC_EXTERN_TYPEDEF typedef PetscScalar(MatH2OpusKernelFn)(PetscInt, PetscReal[], PetscReal[], void *); 2208 PETSC_EXTERN_TYPEDEF typedef MatH2OpusKernelFn *MatH2OpusKernel; 2209 2210 PETSC_EXTERN PetscErrorCode MatCreateH2OpusFromKernel(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscReal[], PetscBool, MatH2OpusKernelFn *, void *, PetscReal, PetscInt, PetscInt, Mat *); 2211 PETSC_EXTERN PetscErrorCode MatCreateH2OpusFromMat(Mat, PetscInt, const PetscReal[], PetscBool, PetscReal, PetscInt, PetscInt, PetscInt, PetscReal, Mat *); 2212 PETSC_EXTERN PetscErrorCode MatH2OpusSetSamplingMat(Mat, Mat, PetscInt, PetscReal); 2213 PETSC_EXTERN PetscErrorCode MatH2OpusOrthogonalize(Mat); 2214 PETSC_EXTERN PetscErrorCode MatH2OpusCompress(Mat, PetscReal); 2215 PETSC_EXTERN PetscErrorCode MatH2OpusSetNativeMult(Mat, PetscBool); 2216 PETSC_EXTERN PetscErrorCode MatH2OpusGetNativeMult(Mat, PetscBool *); 2217 PETSC_EXTERN PetscErrorCode MatH2OpusGetIndexMap(Mat, IS *); 2218 PETSC_EXTERN PetscErrorCode MatH2OpusMapVec(Mat, PetscBool, Vec, Vec *); 2219 PETSC_EXTERN PetscErrorCode MatH2OpusLowRankUpdate(Mat, Mat, Mat, PetscScalar); 2220 #endif 2221 2222 #ifdef PETSC_HAVE_HTOOL 2223 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode(MatHtoolKernelFn)(PetscInt, PetscInt, PetscInt, const PetscInt *, const PetscInt *, PetscScalar *, void *); 2224 PETSC_EXTERN_TYPEDEF typedef MatHtoolKernelFn *MatHtoolKernel; 2225 2226 PETSC_EXTERN PetscErrorCode MatCreateHtoolFromKernel(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscReal[], const PetscReal[], MatHtoolKernelFn *, void *, Mat *); 2227 PETSC_EXTERN PetscErrorCode MatHtoolSetKernel(Mat, MatHtoolKernelFn *, void *); 2228 PETSC_EXTERN PetscErrorCode MatHtoolGetPermutationSource(Mat, IS *); 2229 PETSC_EXTERN PetscErrorCode MatHtoolGetPermutationTarget(Mat, IS *); 2230 PETSC_EXTERN PetscErrorCode MatHtoolUsePermutation(Mat, PetscBool); 2231 2232 /*E 2233 MatHtoolCompressorType - Indicates the type of compressor used by a `MATHTOOL` 2234 2235 Values: 2236 + `MAT_HTOOL_COMPRESSOR_SYMPARTIAL_ACA` (default) - symmetric partial adaptive cross approximation 2237 . `MAT_HTOOL_COMPRESSOR_FULL_ACA` - full adaptive cross approximation 2238 - `MAT_HTOOL_COMPRESSOR_SVD` - singular value decomposition 2239 2240 Level: intermediate 2241 2242 .seealso: [](ch_matrices), `Mat`, `MatCreateHtoolFromKernel()`, `MATHTOOL`, `MatHtoolClusteringType` 2243 E*/ 2244 typedef enum { 2245 MAT_HTOOL_COMPRESSOR_SYMPARTIAL_ACA, 2246 MAT_HTOOL_COMPRESSOR_FULL_ACA, 2247 MAT_HTOOL_COMPRESSOR_SVD 2248 } MatHtoolCompressorType; 2249 2250 /*E 2251 MatHtoolClusteringType - Indicates the type of clustering used by a `MATHTOOL` 2252 2253 Values: 2254 + `MAT_HTOOL_CLUSTERING_PCA_REGULAR` (default) - axis computed via principle component analysis, split uniformly 2255 . `MAT_HTOOL_CLUSTERING_PCA_GEOMETRIC` - axis computed via principle component analysis, split barycentrically 2256 . `MAT_HTOOL_CLUSTERING_BOUNDING_BOX_1_REGULAR` - axis along the largest extent of the bounding box, split uniformly 2257 - `MAT_HTOOL_CLUSTERING_BOUNDING_BOX_1_GEOMETRIC` - axis along the largest extent of the bounding box, split barycentrically 2258 2259 Level: intermediate 2260 2261 Note: 2262 Higher-dimensional clustering is not yet supported in Htool, but once it is, one should add BOUNDING_BOX_{2,3} types 2263 2264 .seealso: [](ch_matrices), `Mat`, `MatCreateHtoolFromKernel()`, `MATHTOOL`, `MatHtoolCompressorType` 2265 E*/ 2266 typedef enum { 2267 MAT_HTOOL_CLUSTERING_PCA_REGULAR, 2268 MAT_HTOOL_CLUSTERING_PCA_GEOMETRIC, 2269 MAT_HTOOL_CLUSTERING_BOUNDING_BOX_1_REGULAR, 2270 MAT_HTOOL_CLUSTERING_BOUNDING_BOX_1_GEOMETRIC 2271 } MatHtoolClusteringType; 2272 #endif 2273 2274 #ifdef PETSC_HAVE_MUMPS 2275 PETSC_EXTERN PetscErrorCode MatMumpsSetIcntl(Mat, PetscInt, PetscInt); 2276 PETSC_EXTERN PetscErrorCode MatMumpsGetIcntl(Mat, PetscInt, PetscInt *); 2277 PETSC_EXTERN PetscErrorCode MatMumpsSetCntl(Mat, PetscInt, PetscReal); 2278 PETSC_EXTERN PetscErrorCode MatMumpsGetCntl(Mat, PetscInt, PetscReal *); 2279 2280 PETSC_EXTERN PetscErrorCode MatMumpsGetInfo(Mat, PetscInt, PetscInt *); 2281 PETSC_EXTERN PetscErrorCode MatMumpsGetInfog(Mat, PetscInt, PetscInt *); 2282 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfo(Mat, PetscInt, PetscReal *); 2283 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfog(Mat, PetscInt, PetscReal *); 2284 PETSC_EXTERN PetscErrorCode MatMumpsGetNullPivots(Mat, PetscInt *, PetscInt **); 2285 PETSC_EXTERN PetscErrorCode MatMumpsGetInverse(Mat, Mat); 2286 PETSC_EXTERN PetscErrorCode MatMumpsGetInverseTranspose(Mat, Mat); 2287 #endif 2288 2289 #ifdef PETSC_HAVE_MKL_PARDISO 2290 PETSC_EXTERN PetscErrorCode MatMkl_PardisoSetCntl(Mat, PetscInt, PetscInt); 2291 #endif 2292 2293 #ifdef PETSC_HAVE_MKL_CPARDISO 2294 PETSC_EXTERN PetscErrorCode MatMkl_CPardisoSetCntl(Mat, PetscInt, PetscInt); 2295 #endif 2296 2297 #ifdef PETSC_HAVE_SUPERLU 2298 PETSC_EXTERN PetscErrorCode MatSuperluSetILUDropTol(Mat, PetscReal); 2299 #endif 2300 2301 #ifdef PETSC_HAVE_SUPERLU_DIST 2302 PETSC_EXTERN PetscErrorCode MatSuperluDistGetDiagU(Mat, PetscScalar *); 2303 #endif 2304 2305 #ifdef PETSC_HAVE_STRUMPACK 2306 /*E 2307 MatSTRUMPACKReordering - sparsity reducing ordering to be used in `MATSOLVERSTRUMPACK` 2308 2309 Values: 2310 + `MAT_STRUMPACK_NATURAL` - use the current ordering 2311 . `MAT_STRUMPACK_METIS` - use MeTis to compute an ordering 2312 . `MAT_STRUMPACK_PARMETIS` - use ParMeTis to compute an ordering 2313 . `MAT_STRUMPACK_SCOTCH` - use Scotch to compute an ordering 2314 . `MAT_STRUMPACK_PTSCOTCH` - use parallel Scotch to compute an ordering 2315 . `MAT_STRUMPACK_RCM` - use an RCM ordering 2316 . `MAT_STRUMPACK_GEOMETRIC` - use a geometric ordering (needs mesh info from user) 2317 . `MAT_STRUMPACK_AMD` - approximate minimum degree 2318 . `MAT_STRUMPACK_MMD` - multiple minimum degree 2319 . `MAT_STRUMPACK_AND` - approximate nested dissection 2320 . `MAT_STRUMPACK_MLF` - minimum local fill 2321 - `MAT_STRUMPACK_SPECTRAL` - spectral nested dissection 2322 2323 Level: intermediate 2324 2325 Developer Note: 2326 Should be called `MatSTRUMPACKReorderingType` 2327 2328 .seealso: `Mat`, `MATSOLVERSTRUMPACK`, `MatGetFactor()`, `MatSTRUMPACKSetReordering()` 2329 E*/ 2330 typedef enum { 2331 MAT_STRUMPACK_NATURAL, 2332 MAT_STRUMPACK_METIS, 2333 MAT_STRUMPACK_PARMETIS, 2334 MAT_STRUMPACK_SCOTCH, 2335 MAT_STRUMPACK_PTSCOTCH, 2336 MAT_STRUMPACK_RCM, 2337 MAT_STRUMPACK_GEOMETRIC, 2338 MAT_STRUMPACK_AMD, 2339 MAT_STRUMPACK_MMD, 2340 MAT_STRUMPACK_AND, 2341 MAT_STRUMPACK_MLF, 2342 MAT_STRUMPACK_SPECTRAL 2343 } MatSTRUMPACKReordering; 2344 2345 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetReordering(Mat, MatSTRUMPACKReordering); 2346 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetReordering(Mat, MatSTRUMPACKReordering *); 2347 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetGeometricNxyz(Mat, PetscInt, PetscInt, PetscInt); 2348 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetGeometricComponents(Mat, PetscInt); 2349 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetGeometricWidth(Mat, PetscInt); 2350 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetColPerm(Mat, PetscBool); 2351 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetColPerm(Mat, PetscBool *); 2352 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetGPU(Mat, PetscBool); 2353 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetGPU(Mat, PetscBool *); 2354 2355 /*E 2356 MatSTRUMPACKCompressionType - Compression used in the approximate sparse factorization solver `MATSOLVERSTRUMPACK` 2357 2358 Values: 2359 + `MAT_STRUMPACK_COMPRESSION_TYPE_NONE` - no compression, direct solver 2360 . `MAT_STRUMPACK_COMPRESSION_TYPE_HSS` - hierarchically semi-separable 2361 . `MAT_STRUMPACK_COMPRESSION_TYPE_BLR` - block low rank 2362 . `MAT_STRUMPACK_COMPRESSION_TYPE_HODLR` - hierarchically off-diagonal low rank (requires ButterfyPACK support, configure with --download-butterflypack) 2363 . `MAT_STRUMPACK_COMPRESSION_TYPE_BLR_HODLR` - hybrid of BLR and HODLR (requires ButterfyPACK support, configure with --download-butterflypack) 2364 . `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) 2365 . `MAT_STRUMPACK_COMPRESSION_TYPE_LOSSLESS` - lossless compression (requires ZFP support, configure with --download-zfp) 2366 - `MAT_STRUMPACK_COMPRESSION_TYPE_LOSSY` - lossy compression (requires ZFP support, configure with --download-zfp) 2367 2368 Level: intermediate 2369 2370 .seealso: `Mat`, `MATSOLVERSTRUMPACK`, `MatGetFactor()`, `MatSTRUMPACKSetCompression()` 2371 E*/ 2372 typedef enum { 2373 MAT_STRUMPACK_COMPRESSION_TYPE_NONE, 2374 MAT_STRUMPACK_COMPRESSION_TYPE_HSS, 2375 MAT_STRUMPACK_COMPRESSION_TYPE_BLR, 2376 MAT_STRUMPACK_COMPRESSION_TYPE_HODLR, 2377 MAT_STRUMPACK_COMPRESSION_TYPE_BLR_HODLR, 2378 MAT_STRUMPACK_COMPRESSION_TYPE_ZFP_BLR_HODLR, 2379 MAT_STRUMPACK_COMPRESSION_TYPE_LOSSLESS, 2380 MAT_STRUMPACK_COMPRESSION_TYPE_LOSSY 2381 } MatSTRUMPACKCompressionType; 2382 2383 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompression(Mat, MatSTRUMPACKCompressionType); 2384 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompression(Mat, MatSTRUMPACKCompressionType *); 2385 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompRelTol(Mat, PetscReal); 2386 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompRelTol(Mat, PetscReal *); 2387 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompAbsTol(Mat, PetscReal); 2388 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompAbsTol(Mat, PetscReal *); 2389 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompMinSepSize(Mat, PetscInt); 2390 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompMinSepSize(Mat, PetscInt *); 2391 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompLeafSize(Mat, PetscInt); 2392 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompLeafSize(Mat, PetscInt *); 2393 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompLossyPrecision(Mat, PetscInt); 2394 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompLossyPrecision(Mat, PetscInt *); 2395 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetCompButterflyLevels(Mat, PetscInt); 2396 PETSC_EXTERN PetscErrorCode MatSTRUMPACKGetCompButterflyLevels(Mat, PetscInt *); 2397 #endif 2398 2399 PETSC_EXTERN PetscErrorCode MatBindToCPU(Mat, PetscBool); 2400 PETSC_EXTERN PetscErrorCode MatBoundToCPU(Mat, PetscBool *); 2401 PETSC_DEPRECATED_FUNCTION(3, 13, 0, "MatBindToCPU()", ) static inline PetscErrorCode MatPinToCPU(Mat A, PetscBool flg) 2402 { 2403 return MatBindToCPU(A, flg); 2404 } 2405 PETSC_EXTERN PetscErrorCode MatSetBindingPropagates(Mat, PetscBool); 2406 PETSC_EXTERN PetscErrorCode MatGetBindingPropagates(Mat, PetscBool *); 2407 2408 #ifdef PETSC_HAVE_CUDA 2409 /*E 2410 MatCUSPARSEStorageFormat - indicates the storage format for `MATAIJCUSPARSE` (GPU) 2411 matrices. 2412 2413 Values: 2414 + `MAT_CUSPARSE_CSR` - Compressed Sparse Row 2415 . `MAT_CUSPARSE_ELL` - Ellpack (requires CUDA 4.2 or later). 2416 - `MAT_CUSPARSE_HYB` - Hybrid, a combination of Ellpack and Coordinate format (requires CUDA 4.2 or later). 2417 2418 Level: intermediate 2419 2420 .seealso: [](ch_matrices), `MATAIJCUSPARSE`, `MatCUSPARSESetFormat()`, `MatCUSPARSEFormatOperation` 2421 E*/ 2422 2423 typedef enum { 2424 MAT_CUSPARSE_CSR, 2425 MAT_CUSPARSE_ELL, 2426 MAT_CUSPARSE_HYB 2427 } MatCUSPARSEStorageFormat; 2428 2429 /* these will be strings associated with enumerated type defined above */ 2430 PETSC_EXTERN const char *const MatCUSPARSEStorageFormats[]; 2431 2432 /*E 2433 MatCUSPARSEFormatOperation - indicates the operation of `MATAIJCUSPARSE` (GPU) 2434 matrices whose operation should use a particular storage format. 2435 2436 Values: 2437 + `MAT_CUSPARSE_MULT_DIAG` - sets the storage format for the diagonal matrix in the parallel `MatMult()` 2438 . `MAT_CUSPARSE_MULT_OFFDIAG` - sets the storage format for the off-diagonal matrix in the parallel `MatMult()` 2439 . `MAT_CUSPARSE_MULT` - sets the storage format for the entire matrix in the serial (single GPU) `MatMult()` 2440 - `MAT_CUSPARSE_ALL` - sets the storage format for all `MATAIJCUSPARSE` (GPU) matrices 2441 2442 Level: intermediate 2443 2444 .seealso: [](ch_matrices), `MatCUSPARSESetFormat()`, `MatCUSPARSEStorageFormat` 2445 E*/ 2446 typedef enum { 2447 MAT_CUSPARSE_MULT_DIAG, 2448 MAT_CUSPARSE_MULT_OFFDIAG, 2449 MAT_CUSPARSE_MULT, 2450 MAT_CUSPARSE_ALL 2451 } MatCUSPARSEFormatOperation; 2452 2453 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSPARSE(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 2454 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSPARSE(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 2455 PETSC_EXTERN PetscErrorCode MatCUSPARSESetFormat(Mat, MatCUSPARSEFormatOperation, MatCUSPARSEStorageFormat); 2456 PETSC_EXTERN PetscErrorCode MatCUSPARSESetUseCPUSolve(Mat, PetscBool); 2457 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSEGetIJ(Mat, PetscBool, const int **, const int **); 2458 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSERestoreIJ(Mat, PetscBool, const int **, const int **); 2459 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSEGetArrayRead(Mat, const PetscScalar **); 2460 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSERestoreArrayRead(Mat, const PetscScalar **); 2461 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSEGetArrayWrite(Mat, PetscScalar **); 2462 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSERestoreArrayWrite(Mat, PetscScalar **); 2463 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSEGetArray(Mat, PetscScalar **); 2464 PETSC_EXTERN PetscErrorCode MatSeqAIJCUSPARSERestoreArray(Mat, PetscScalar **); 2465 2466 PETSC_EXTERN PetscErrorCode MatCreateDenseCUDA(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar[], Mat *); 2467 PETSC_EXTERN PetscErrorCode MatCreateSeqDenseCUDA(MPI_Comm, PetscInt, PetscInt, PetscScalar[], Mat *); 2468 PETSC_EXTERN PetscErrorCode MatDenseCUDAGetArrayWrite(Mat, PetscScalar **); 2469 PETSC_EXTERN PetscErrorCode MatDenseCUDAGetArrayRead(Mat, const PetscScalar **); 2470 PETSC_EXTERN PetscErrorCode MatDenseCUDAGetArray(Mat, PetscScalar **); 2471 PETSC_EXTERN PetscErrorCode MatDenseCUDARestoreArrayWrite(Mat, PetscScalar **); 2472 PETSC_EXTERN PetscErrorCode MatDenseCUDARestoreArrayRead(Mat, const PetscScalar **); 2473 PETSC_EXTERN PetscErrorCode MatDenseCUDARestoreArray(Mat, PetscScalar **); 2474 PETSC_EXTERN PetscErrorCode MatDenseCUDAPlaceArray(Mat, const PetscScalar *); 2475 PETSC_EXTERN PetscErrorCode MatDenseCUDAReplaceArray(Mat, const PetscScalar *); 2476 PETSC_EXTERN PetscErrorCode MatDenseCUDAResetArray(Mat); 2477 PETSC_EXTERN PetscErrorCode MatDenseCUDASetPreallocation(Mat, PetscScalar *); 2478 2479 PETSC_EXTERN PetscErrorCode MatCreateSeqSELLCUDA(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 2480 PETSC_EXTERN PetscErrorCode MatCreateSELLCUDA(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 2481 #endif 2482 2483 #ifdef PETSC_HAVE_HIP 2484 /*E 2485 MatHIPSPARSEStorageFormat - indicates the storage format for `MATAIJHIPSPARSE` (GPU) 2486 matrices. 2487 2488 Values: 2489 + `MAT_HIPSPARSE_CSR` - Compressed Sparse Row 2490 . `MAT_HIPSPARSE_ELL` - Ellpack 2491 - `MAT_HIPSPARSE_HYB` - Hybrid, a combination of Ellpack and Coordinate format 2492 2493 Level: intermediate 2494 2495 .seealso: [](ch_matrices), `MatHIPSPARSESetFormat()`, `MatHIPSPARSEFormatOperation` 2496 E*/ 2497 2498 typedef enum { 2499 MAT_HIPSPARSE_CSR, 2500 MAT_HIPSPARSE_ELL, 2501 MAT_HIPSPARSE_HYB 2502 } MatHIPSPARSEStorageFormat; 2503 2504 /* these will be strings associated with enumerated type defined above */ 2505 PETSC_EXTERN const char *const MatHIPSPARSEStorageFormats[]; 2506 2507 /*E 2508 MatHIPSPARSEFormatOperation - indicates the operation of `MATAIJHIPSPARSE` (GPU) 2509 matrices whose operation should use a particular storage format. 2510 2511 Values: 2512 + `MAT_HIPSPARSE_MULT_DIAG` - sets the storage format for the diagonal matrix in the parallel `MatMult()` 2513 . `MAT_HIPSPARSE_MULT_OFFDIAG` - sets the storage format for the off-diagonal matrix in the parallel `MatMult()` 2514 . `MAT_HIPSPARSE_MULT` - sets the storage format for the entire matrix in the serial (single GPU) `MatMult()` 2515 - `MAT_HIPSPARSE_ALL` - sets the storage format for all HIPSPARSE (GPU) matrices 2516 2517 Level: intermediate 2518 2519 .seealso: [](ch_matrices), `MatHIPSPARSESetFormat()`, `MatHIPSPARSEStorageFormat` 2520 E*/ 2521 typedef enum { 2522 MAT_HIPSPARSE_MULT_DIAG, 2523 MAT_HIPSPARSE_MULT_OFFDIAG, 2524 MAT_HIPSPARSE_MULT, 2525 MAT_HIPSPARSE_ALL 2526 } MatHIPSPARSEFormatOperation; 2527 2528 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJHIPSPARSE(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 2529 PETSC_EXTERN PetscErrorCode MatCreateAIJHIPSPARSE(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 2530 PETSC_EXTERN PetscErrorCode MatHIPSPARSESetFormat(Mat, MatHIPSPARSEFormatOperation, MatHIPSPARSEStorageFormat); 2531 PETSC_EXTERN PetscErrorCode MatHIPSPARSESetUseCPUSolve(Mat, PetscBool); 2532 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSEGetIJ(Mat, PetscBool, const int **, const int **); 2533 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSERestoreIJ(Mat, PetscBool, const int **, const int **); 2534 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSEGetArrayRead(Mat, const PetscScalar **); 2535 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSERestoreArrayRead(Mat, const PetscScalar **); 2536 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSEGetArrayWrite(Mat, PetscScalar **); 2537 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSERestoreArrayWrite(Mat, PetscScalar **); 2538 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSEGetArray(Mat, PetscScalar **); 2539 PETSC_EXTERN PetscErrorCode MatSeqAIJHIPSPARSERestoreArray(Mat, PetscScalar **); 2540 2541 PETSC_EXTERN PetscErrorCode MatCreateDenseHIP(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar[], Mat *); 2542 PETSC_EXTERN PetscErrorCode MatCreateSeqDenseHIP(MPI_Comm, PetscInt, PetscInt, PetscScalar[], Mat *); 2543 PETSC_EXTERN PetscErrorCode MatDenseHIPGetArrayWrite(Mat, PetscScalar **); 2544 PETSC_EXTERN PetscErrorCode MatDenseHIPGetArrayRead(Mat, const PetscScalar **); 2545 PETSC_EXTERN PetscErrorCode MatDenseHIPGetArray(Mat, PetscScalar **); 2546 PETSC_EXTERN PetscErrorCode MatDenseHIPRestoreArrayWrite(Mat, PetscScalar **); 2547 PETSC_EXTERN PetscErrorCode MatDenseHIPRestoreArrayRead(Mat, const PetscScalar **); 2548 PETSC_EXTERN PetscErrorCode MatDenseHIPRestoreArray(Mat, PetscScalar **); 2549 PETSC_EXTERN PetscErrorCode MatDenseHIPPlaceArray(Mat, const PetscScalar *); 2550 PETSC_EXTERN PetscErrorCode MatDenseHIPReplaceArray(Mat, const PetscScalar *); 2551 PETSC_EXTERN PetscErrorCode MatDenseHIPResetArray(Mat); 2552 PETSC_EXTERN PetscErrorCode MatDenseHIPSetPreallocation(Mat, PetscScalar *); 2553 PETSC_EXTERN PetscErrorCode MatCreateSeqSELLHIP(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 2554 PETSC_EXTERN PetscErrorCode MatCreateSELLHIP(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 2555 #endif 2556 2557 #if defined(PETSC_HAVE_VIENNACL) 2558 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJViennaCL(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 2559 PETSC_EXTERN PetscErrorCode MatCreateAIJViennaCL(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 2560 #endif 2561 2562 #if PetscDefined(HAVE_KOKKOS) 2563 PETSC_EXTERN PetscErrorCode MatCreateAIJKokkos(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], PetscInt, const PetscInt[], Mat *); 2564 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJKokkos(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Mat *); 2565 #endif 2566 2567 #if defined(PETSC_HAVE_FFTW) 2568 PETSC_EXTERN PetscErrorCode VecScatterPetscToFFTW(Mat, Vec, Vec); 2569 PETSC_EXTERN PetscErrorCode VecScatterFFTWToPetsc(Mat, Vec, Vec); 2570 PETSC_EXTERN PetscErrorCode MatCreateVecsFFTW(Mat, Vec *, Vec *, Vec *); 2571 #endif 2572 2573 #if defined(PETSC_HAVE_SCALAPACK) 2574 PETSC_EXTERN PetscErrorCode MatCreateScaLAPACK(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, Mat *); 2575 PETSC_EXTERN PetscErrorCode MatScaLAPACKSetBlockSizes(Mat, PetscInt, PetscInt); 2576 PETSC_EXTERN PetscErrorCode MatScaLAPACKGetBlockSizes(Mat, PetscInt *, PetscInt *); 2577 #endif 2578 2579 PETSC_EXTERN PetscErrorCode MatCreateNest(MPI_Comm, PetscInt, const IS[], PetscInt, const IS[], const Mat[], Mat *); 2580 PETSC_EXTERN PetscErrorCode MatNestGetSize(Mat, PetscInt *, PetscInt *); 2581 PETSC_EXTERN PetscErrorCode MatNestGetISs(Mat, IS[], IS[]); 2582 PETSC_EXTERN PetscErrorCode MatNestGetLocalISs(Mat, IS[], IS[]); 2583 PETSC_EXTERN PetscErrorCode MatNestGetSubMats(Mat, PetscInt *, PetscInt *, Mat ***); 2584 PETSC_EXTERN PetscErrorCode MatNestGetSubMat(Mat, PetscInt, PetscInt, Mat *); 2585 PETSC_EXTERN PetscErrorCode MatNestSetVecType(Mat, VecType); 2586 PETSC_EXTERN PetscErrorCode MatNestSetSubMats(Mat, PetscInt, const IS[], PetscInt, const IS[], const Mat[]); 2587 PETSC_EXTERN PetscErrorCode MatNestSetSubMat(Mat, PetscInt, PetscInt, Mat); 2588 2589 PETSC_EXTERN PetscErrorCode MatFilter(Mat, PetscReal, PetscBool, PetscBool); 2590 PETSC_DEPRECATED_FUNCTION(3, 20, 0, "MatFilter()", ) static inline PetscErrorCode MatChop(Mat A, PetscReal tol) 2591 { 2592 return MatFilter(A, tol, PETSC_FALSE, PETSC_FALSE); 2593 } 2594 PETSC_EXTERN PetscErrorCode MatComputeBandwidth(Mat, PetscReal, PetscInt *); 2595 2596 PETSC_EXTERN PetscErrorCode MatSubdomainsCreateCoalesce(Mat, PetscInt, PetscInt *, IS **); 2597 2598 PETSC_EXTERN PetscErrorCode MatPreallocatorPreallocate(Mat, PetscBool, Mat); 2599 2600 PETSC_EXTERN PetscErrorCode MatHeaderMerge(Mat, Mat *); 2601 PETSC_EXTERN PetscErrorCode MatHeaderReplace(Mat, Mat *); 2602 2603 PETSC_EXTERN PetscErrorCode MatSeqAIJGetCSRAndMemType(Mat, const PetscInt **, const PetscInt **, PetscScalar **, PetscMemType *); 2604 2605 PETSC_EXTERN PetscErrorCode MatCreateGraph(Mat, PetscBool, PetscBool, PetscReal, PetscInt, PetscInt[], Mat *); 2606 PETSC_EXTERN PetscErrorCode MatEliminateZeros(Mat, PetscBool); 2607 2608 PETSC_EXTERN PetscErrorCode MatCreateDenseFromVecType(MPI_Comm, VecType, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar *, Mat *); 2609 2610 PETSC_EXTERN PetscErrorCode MatSetHPL(Mat, int); 2611 #define PETSCBMHPL "hpl" 2612