1 /* 2 Preconditioner module. 3 */ 4 #if !defined(__PETSCPC_H) 5 #define __PETSCPC_H 6 #include "petscmat.h" 7 #include "petscdm.h" 8 PETSC_EXTERN_CXX_BEGIN 9 10 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCInitializePackage(const char[]); 11 12 /* 13 PCList contains the list of preconditioners currently registered 14 These are added with the PCRegisterDynamic() macro 15 */ 16 extern PetscFList PCList; 17 18 /*S 19 PC - Abstract PETSc object that manages all preconditioners 20 21 Level: beginner 22 23 Concepts: preconditioners 24 25 .seealso: PCCreate(), PCSetType(), PCType (for list of available types) 26 S*/ 27 typedef struct _p_PC* PC; 28 29 /*E 30 PCType - String with the name of a PETSc preconditioner method or the creation function 31 with an optional dynamic library name, for example 32 http://www.mcs.anl.gov/petsc/lib.a:mypccreate() 33 34 Level: beginner 35 36 Notes: Click on the links below to see details on a particular solver 37 38 .seealso: PCSetType(), PC, PCCreate() 39 E*/ 40 #define PCType char* 41 #define PCNONE "none" 42 #define PCJACOBI "jacobi" 43 #define PCSOR "sor" 44 #define PCLU "lu" 45 #define PCSHELL "shell" 46 #define PCBJACOBI "bjacobi" 47 #define PCMG "mg" 48 #define PCEISENSTAT "eisenstat" 49 #define PCILU "ilu" 50 #define PCICC "icc" 51 #define PCASM "asm" 52 #define PCKSP "ksp" 53 #define PCCOMPOSITE "composite" 54 #define PCREDUNDANT "redundant" 55 #define PCSPAI "spai" 56 #define PCNN "nn" 57 #define PCCHOLESKY "cholesky" 58 #define PCPBJACOBI "pbjacobi" 59 #define PCMAT "mat" 60 #define PCHYPRE "hypre" 61 #define PCFIELDSPLIT "fieldsplit" 62 #define PCTFS "tfs" 63 #define PCML "ml" 64 #define PCPROMETHEUS "prometheus" 65 #define PCGALERKIN "galerkin" 66 #define PCEXOTIC "exotic" 67 #define PCOPENMP "openmp" 68 #define PCSUPPORTGRAPH "supportgraph" 69 #define PCASA "asa" 70 #define PCCP "cp" 71 #define PCBFBT "bfbt" 72 #define PCLSC "lsc" 73 #define PCPYTHON "python" 74 #define PCPFMG "pfmg" 75 #define PCSYSPFMG "syspfmg" 76 #define PCREDISTRIBUTE "redistribute" 77 #define PCSACUDA "sacuda" 78 79 /* Logging support */ 80 extern PetscClassId PETSCKSP_DLLEXPORT PC_CLASSID; 81 82 /*E 83 PCSide - If the preconditioner is to be applied to the left, right 84 or symmetrically around the operator. 85 86 Level: beginner 87 88 .seealso: 89 E*/ 90 typedef enum { PC_LEFT,PC_RIGHT,PC_SYMMETRIC } PCSide; 91 extern const char *PCSides[]; 92 93 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCCreate(MPI_Comm,PC*); 94 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetType(PC,const PCType); 95 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetUp(PC); 96 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetUpOnBlocks(PC); 97 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApply(PC,Vec,Vec); 98 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplySymmetricLeft(PC,Vec,Vec); 99 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplySymmetricRight(PC,Vec,Vec); 100 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplyBAorAB(PC,PCSide,Vec,Vec,Vec); 101 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplyTranspose(PC,Vec,Vec); 102 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplyTransposeExists(PC,PetscBool *); 103 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplyBAorABTranspose(PC,PCSide,Vec,Vec,Vec); 104 105 /*E 106 PCRichardsonConvergedReason - reason a PCApplyRichardson method terminates 107 108 Level: advanced 109 110 Notes: this must match finclude/petscpc.h and the KSPConvergedReason values in petscksp.h 111 112 .seealso: PCApplyRichardson() 113 E*/ 114 typedef enum { 115 PCRICHARDSON_CONVERGED_RTOL = 2, 116 PCRICHARDSON_CONVERGED_ATOL = 3, 117 PCRICHARDSON_CONVERGED_ITS = 4, 118 PCRICHARDSON_DIVERGED_DTOL = -4} PCRichardsonConvergedReason; 119 120 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplyRichardson(PC,Vec,Vec,Vec,PetscReal,PetscReal,PetscReal,PetscInt,PetscBool ,PetscInt*,PCRichardsonConvergedReason*); 121 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplyRichardsonExists(PC,PetscBool *); 122 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetInitialGuessNonzero(PC,PetscBool ); 123 124 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRegisterDestroy(void); 125 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRegisterAll(const char[]); 126 extern PetscBool PCRegisterAllCalled; 127 128 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRegister(const char[],const char[],const char[],PetscErrorCode(*)(PC)); 129 130 /*MC 131 PCRegisterDynamic - Adds a method to the preconditioner package. 132 133 Synopsis: 134 PetscErrorCode PCRegisterDynamic(const char *name_solver,const char *path,const char *name_create,PetscErrorCode (*routine_create)(PC)) 135 136 Not collective 137 138 Input Parameters: 139 + name_solver - name of a new user-defined solver 140 . path - path (either absolute or relative) the library containing this solver 141 . name_create - name of routine to create method context 142 - routine_create - routine to create method context 143 144 Notes: 145 PCRegisterDynamic() may be called multiple times to add several user-defined preconditioners. 146 147 If dynamic libraries are used, then the fourth input argument (routine_create) 148 is ignored. 149 150 Sample usage: 151 .vb 152 PCRegisterDynamic("my_solver","/home/username/my_lib/lib/libO/solaris/mylib", 153 "MySolverCreate",MySolverCreate); 154 .ve 155 156 Then, your solver can be chosen with the procedural interface via 157 $ PCSetType(pc,"my_solver") 158 or at runtime via the option 159 $ -pc_type my_solver 160 161 Level: advanced 162 163 Notes: ${PETSC_ARCH}, ${PETSC_DIR}, ${PETSC_LIB_DIR}, or ${any environmental variable} 164 occuring in pathname will be replaced with appropriate values. 165 If your function is not being put into a shared library then use PCRegister() instead 166 167 .keywords: PC, register 168 169 .seealso: PCRegisterAll(), PCRegisterDestroy() 170 M*/ 171 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 172 #define PCRegisterDynamic(a,b,c,d) PCRegister(a,b,c,0) 173 #else 174 #define PCRegisterDynamic(a,b,c,d) PCRegister(a,b,c,d) 175 #endif 176 177 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCDestroy(PC); 178 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetFromOptions(PC); 179 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGetType(PC,const PCType*); 180 181 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorGetMatrix(PC,Mat*); 182 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetModifySubMatrices(PC,PetscErrorCode(*)(PC,PetscInt,const IS[],const IS[],Mat[],void*),void*); 183 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCModifySubMatrices(PC,PetscInt,const IS[],const IS[],Mat[],void*); 184 185 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetOperators(PC,Mat,Mat,MatStructure); 186 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGetOperators(PC,Mat*,Mat*,MatStructure*); 187 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGetOperatorsSet(PC,PetscBool *,PetscBool *); 188 189 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCView(PC,PetscViewer); 190 191 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetOptionsPrefix(PC,const char[]); 192 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCAppendOptionsPrefix(PC,const char[]); 193 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGetOptionsPrefix(PC,const char*[]); 194 195 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCComputeExplicitOperator(PC,Mat*); 196 197 /* 198 These are used to provide extra scaling of preconditioned 199 operator for time-stepping schemes like in SUNDIALS 200 */ 201 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGetDiagonalScale(PC,PetscBool *); 202 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCDiagonalScaleLeft(PC,Vec,Vec); 203 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCDiagonalScaleRight(PC,Vec,Vec); 204 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetDiagonalScale(PC,Vec); 205 206 /* ------------- options specific to particular preconditioners --------- */ 207 208 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCJacobiSetUseRowMax(PC); 209 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCJacobiSetUseRowSum(PC); 210 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCJacobiSetUseAbs(PC); 211 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSORSetSymmetric(PC,MatSORType); 212 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSORSetOmega(PC,PetscReal); 213 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSORSetIterations(PC,PetscInt,PetscInt); 214 215 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCEisenstatSetOmega(PC,PetscReal); 216 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCEisenstatNoDiagonalScaling(PC); 217 218 #define USE_PRECONDITIONER_MATRIX 0 219 #define USE_TRUE_MATRIX 1 220 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCBJacobiSetUseTrueLocal(PC); 221 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCBJacobiSetTotalBlocks(PC,PetscInt,const PetscInt[]); 222 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCBJacobiSetLocalBlocks(PC,PetscInt,const PetscInt[]); 223 224 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCKSPSetUseTrue(PC); 225 226 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetApply(PC,PetscErrorCode (*)(PC,Vec,Vec)); 227 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetApplyBA(PC,PetscErrorCode (*)(PC,PCSide,Vec,Vec,Vec)); 228 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetApplyTranspose(PC,PetscErrorCode (*)(PC,Vec,Vec)); 229 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetSetUp(PC,PetscErrorCode (*)(PC)); 230 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetApplyRichardson(PC,PetscErrorCode (*)(PC,Vec,Vec,Vec,PetscReal,PetscReal,PetscReal,PetscInt,PetscBool ,PetscInt*,PCRichardsonConvergedReason*)); 231 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetView(PC,PetscErrorCode (*)(PC,PetscViewer)); 232 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetDestroy(PC,PetscErrorCode (*)(PC)); 233 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellGetContext(PC,void**); 234 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetContext(PC,void*); 235 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetName(PC,const char[]); 236 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellGetName(PC,char*[]); 237 238 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetZeroPivot(PC,PetscReal); 239 240 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetShiftType(PC,MatFactorShiftType); 241 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetShiftAmount(PC,PetscReal); 242 243 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetMatSolverPackage(PC,const MatSolverPackage); 244 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorGetMatSolverPackage(PC,const MatSolverPackage*); 245 246 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetFill(PC,PetscReal); 247 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetColumnPivot(PC,PetscReal); 248 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorReorderForNonzeroDiagonal(PC,PetscReal); 249 250 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetMatOrderingType(PC,const MatOrderingType); 251 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetReuseOrdering(PC,PetscBool ); 252 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetReuseFill(PC,PetscBool ); 253 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetUseInPlace(PC); 254 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetAllowDiagonalFill(PC); 255 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetPivotInBlocks(PC,PetscBool ); 256 257 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetLevels(PC,PetscInt); 258 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetDropTolerance(PC,PetscReal,PetscReal,PetscInt); 259 260 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMSetLocalSubdomains(PC,PetscInt,IS[],IS[]); 261 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMSetTotalSubdomains(PC,PetscInt,IS[],IS[]); 262 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMSetOverlap(PC,PetscInt); 263 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMSetSortIndices(PC,PetscBool ); 264 265 /*E 266 PCASMType - Type of additive Schwarz method to use 267 268 $ PC_ASM_BASIC - symmetric version where residuals from the ghost points are used 269 $ and computed values in ghost regions are added together. Classical 270 $ standard additive Schwarz 271 $ PC_ASM_RESTRICT - residuals from ghost points are used but computed values in ghost 272 $ region are discarded. Default 273 $ PC_ASM_INTERPOLATE - residuals from ghost points are not used, computed values in ghost 274 $ region are added back in 275 $ PC_ASM_NONE - ghost point residuals are not used, computed ghost values are discarded 276 $ not very good. 277 278 Level: beginner 279 280 .seealso: PCASMSetType() 281 E*/ 282 typedef enum {PC_ASM_BASIC = 3,PC_ASM_RESTRICT = 1,PC_ASM_INTERPOLATE = 2,PC_ASM_NONE = 0} PCASMType; 283 extern const char *PCASMTypes[]; 284 285 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMSetType(PC,PCASMType); 286 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMCreateSubdomains(Mat,PetscInt,IS*[]); 287 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMDestroySubdomains(PetscInt,IS[],IS[]); 288 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMCreateSubdomains2D(PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,IS**,IS**); 289 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMGetLocalSubdomains(PC,PetscInt*,IS*[],IS*[]); 290 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMGetLocalSubmatrices(PC,PetscInt*,Mat*[]); 291 292 /*E 293 PCGASMType - Type of generalized additive Schwarz method to use (differs from ASM in allowing multiple processors per domain) 294 295 $ PC_GASM_BASIC - symmetric version where residuals from the ghost points are used 296 $ and computed values in ghost regions are added together. Classical 297 $ standard additive Schwarz 298 $ PC_GASM_RESTRICT - residuals from ghost points are used but computed values in ghost 299 $ region are discarded. Default 300 $ PC_GASM_INTERPOLATE - residuals from ghost points are not used, computed values in ghost 301 $ region are added back in 302 $ PC_GASM_NONE - ghost point residuals are not used, computed ghost values are discarded 303 $ not very good. 304 305 Level: beginner 306 307 .seealso: PCGASMSetType() 308 E*/ 309 typedef enum {PC_GASM_BASIC = 3,PC_GASM_RESTRICT = 1,PC_GASM_INTERPOLATE = 2,PC_GASM_NONE = 0} PCGASMType; 310 extern const char *PCGASMTypes[]; 311 312 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMSetLocalSubdomains(PC,PetscInt,IS[],IS[]); 313 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMSetSubdomains(PC,PetscInt); 314 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMSetOverlap(PC,PetscInt); 315 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMSetSortIndices(PC,PetscBool ); 316 317 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMSetType(PC,PCGASMType); 318 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMCreateSubdomains(Mat,PetscInt,IS*[]); 319 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMDestroySubdomains(PetscInt,IS[],IS[]); 320 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMCreateSubdomains2D(PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,IS**,IS**); 321 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMGetLocalSubdomains(PC,PetscInt*,IS*[],IS*[]); 322 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMGetLocalSubmatrices(PC,PetscInt*,Mat*[]); 323 324 /*E 325 PCCompositeType - Determines how two or more preconditioner are composed 326 327 $ PC_COMPOSITE_ADDITIVE - results from application of all preconditioners are added together 328 $ PC_COMPOSITE_MULTIPLICATIVE - preconditioners are applied sequentially to the residual freshly 329 $ computed after the previous preconditioner application 330 $ PC_COMPOSITE_SYMMETRIC_MULTIPLICATIVE - preconditioners are applied sequentially to the residual freshly 331 $ computed from first preconditioner to last and then back (Use only for symmetric matrices and preconditions) 332 $ PC_COMPOSITE_SPECIAL - This is very special for a matrix of the form alpha I + R + S 333 $ where first preconditioner is built from alpha I + S and second from 334 $ alpha I + R 335 336 Level: beginner 337 338 .seealso: PCCompositeSetType() 339 E*/ 340 typedef enum {PC_COMPOSITE_ADDITIVE,PC_COMPOSITE_MULTIPLICATIVE,PC_COMPOSITE_SYMMETRIC_MULTIPLICATIVE,PC_COMPOSITE_SPECIAL,PC_COMPOSITE_SCHUR} PCCompositeType; 341 extern const char *PCCompositeTypes[]; 342 343 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCCompositeSetUseTrue(PC); 344 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCCompositeSetType(PC,PCCompositeType); 345 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCCompositeAddPC(PC,PCType); 346 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCCompositeGetPC(PC,PetscInt,PC *); 347 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCCompositeSpecialSetAlpha(PC,PetscScalar); 348 349 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRedundantSetNumber(PC,PetscInt); 350 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRedundantSetScatter(PC,VecScatter,VecScatter); 351 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRedundantGetOperators(PC,Mat*,Mat*); 352 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRedundantGetPC(PC,PC*); 353 354 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetEpsilon(PC,double); 355 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetNBSteps(PC,PetscInt); 356 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetMax(PC,PetscInt); 357 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetMaxNew(PC,PetscInt); 358 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetBlockSize(PC,PetscInt); 359 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetCacheSize(PC,PetscInt); 360 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetVerbose(PC,PetscInt); 361 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetSp(PC,PetscInt); 362 363 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCHYPRESetType(PC,const char[]); 364 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCHYPREGetType(PC,const char*[]); 365 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCBJacobiGetLocalBlocks(PC,PetscInt*,const PetscInt*[]); 366 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCBJacobiGetTotalBlocks(PC,PetscInt*,const PetscInt*[]); 367 368 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFieldSplitSetFields(PC,const char[],PetscInt,const PetscInt*); 369 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFieldSplitSetType(PC,PCCompositeType); 370 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFieldSplitSetBlockSize(PC,PetscInt); 371 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFieldSplitSetIS(PC,const char[],IS); 372 373 /*E 374 PCFieldSplitSchurPreType - Determines how to precondition Schur complement 375 376 Level: intermediate 377 378 .seealso: PCFieldSplitSchurPrecondition() 379 E*/ 380 typedef enum {PC_FIELDSPLIT_SCHUR_PRE_SELF,PC_FIELDSPLIT_SCHUR_PRE_DIAG,PC_FIELDSPLIT_SCHUR_PRE_USER} PCFieldSplitSchurPreType; 381 extern const char *const PCFieldSplitSchurPreTypes[]; 382 383 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFieldSplitSchurPrecondition(PC,PCFieldSplitSchurPreType,Mat); 384 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFieldSplitGetSchurBlocks(PC,Mat*,Mat*,Mat*,Mat*); 385 386 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGalerkinSetRestriction(PC,Mat); 387 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGalerkinSetInterpolation(PC,Mat); 388 389 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetCoordinates(PC,PetscInt,PetscReal*); 390 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSASetVectors(PC,PetscInt,PetscReal *); 391 392 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCPythonSetType(PC,const char[]); 393 394 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetDM(PC,DM); 395 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGetDM(PC,DM*); 396 397 398 PETSC_EXTERN_CXX_END 399 400 #endif /* __PETSCPC_H */ 401