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 PCGASM "gasm" 53 #define PCKSP "ksp" 54 #define PCCOMPOSITE "composite" 55 #define PCREDUNDANT "redundant" 56 #define PCSPAI "spai" 57 #define PCNN "nn" 58 #define PCCHOLESKY "cholesky" 59 #define PCPBJACOBI "pbjacobi" 60 #define PCMAT "mat" 61 #define PCHYPRE "hypre" 62 #define PCFIELDSPLIT "fieldsplit" 63 #define PCTFS "tfs" 64 #define PCML "ml" 65 #define PCPROMETHEUS "prometheus" 66 #define PCGALERKIN "galerkin" 67 #define PCEXOTIC "exotic" 68 #define PCOPENMP "openmp" 69 #define PCSUPPORTGRAPH "supportgraph" 70 #define PCASA "asa" 71 #define PCCP "cp" 72 #define PCBFBT "bfbt" 73 #define PCLSC "lsc" 74 #define PCPYTHON "python" 75 #define PCPFMG "pfmg" 76 #define PCSYSPFMG "syspfmg" 77 #define PCREDISTRIBUTE "redistribute" 78 #define PCSACUDA "sacuda" 79 80 /* Logging support */ 81 extern PetscClassId PETSCKSP_DLLEXPORT PC_CLASSID; 82 83 /*E 84 PCSide - If the preconditioner is to be applied to the left, right 85 or symmetrically around the operator. 86 87 Level: beginner 88 89 .seealso: 90 E*/ 91 typedef enum { PC_LEFT,PC_RIGHT,PC_SYMMETRIC } PCSide; 92 extern const char *PCSides[]; 93 94 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCCreate(MPI_Comm,PC*); 95 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetType(PC,const PCType); 96 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetUp(PC); 97 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetUpOnBlocks(PC); 98 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApply(PC,Vec,Vec); 99 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplySymmetricLeft(PC,Vec,Vec); 100 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplySymmetricRight(PC,Vec,Vec); 101 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplyBAorAB(PC,PCSide,Vec,Vec,Vec); 102 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplyTranspose(PC,Vec,Vec); 103 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplyTransposeExists(PC,PetscBool *); 104 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplyBAorABTranspose(PC,PCSide,Vec,Vec,Vec); 105 106 /*E 107 PCRichardsonConvergedReason - reason a PCApplyRichardson method terminates 108 109 Level: advanced 110 111 Notes: this must match finclude/petscpc.h and the KSPConvergedReason values in petscksp.h 112 113 .seealso: PCApplyRichardson() 114 E*/ 115 typedef enum { 116 PCRICHARDSON_CONVERGED_RTOL = 2, 117 PCRICHARDSON_CONVERGED_ATOL = 3, 118 PCRICHARDSON_CONVERGED_ITS = 4, 119 PCRICHARDSON_DIVERGED_DTOL = -4} PCRichardsonConvergedReason; 120 121 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplyRichardson(PC,Vec,Vec,Vec,PetscReal,PetscReal,PetscReal,PetscInt,PetscBool ,PetscInt*,PCRichardsonConvergedReason*); 122 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCApplyRichardsonExists(PC,PetscBool *); 123 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetInitialGuessNonzero(PC,PetscBool ); 124 125 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRegisterDestroy(void); 126 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRegisterAll(const char[]); 127 extern PetscBool PCRegisterAllCalled; 128 129 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRegister(const char[],const char[],const char[],PetscErrorCode(*)(PC)); 130 131 /*MC 132 PCRegisterDynamic - Adds a method to the preconditioner package. 133 134 Synopsis: 135 PetscErrorCode PCRegisterDynamic(const char *name_solver,const char *path,const char *name_create,PetscErrorCode (*routine_create)(PC)) 136 137 Not collective 138 139 Input Parameters: 140 + name_solver - name of a new user-defined solver 141 . path - path (either absolute or relative) the library containing this solver 142 . name_create - name of routine to create method context 143 - routine_create - routine to create method context 144 145 Notes: 146 PCRegisterDynamic() may be called multiple times to add several user-defined preconditioners. 147 148 If dynamic libraries are used, then the fourth input argument (routine_create) 149 is ignored. 150 151 Sample usage: 152 .vb 153 PCRegisterDynamic("my_solver","/home/username/my_lib/lib/libO/solaris/mylib", 154 "MySolverCreate",MySolverCreate); 155 .ve 156 157 Then, your solver can be chosen with the procedural interface via 158 $ PCSetType(pc,"my_solver") 159 or at runtime via the option 160 $ -pc_type my_solver 161 162 Level: advanced 163 164 Notes: ${PETSC_ARCH}, ${PETSC_DIR}, ${PETSC_LIB_DIR}, or ${any environmental variable} 165 occuring in pathname will be replaced with appropriate values. 166 If your function is not being put into a shared library then use PCRegister() instead 167 168 .keywords: PC, register 169 170 .seealso: PCRegisterAll(), PCRegisterDestroy() 171 M*/ 172 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 173 #define PCRegisterDynamic(a,b,c,d) PCRegister(a,b,c,0) 174 #else 175 #define PCRegisterDynamic(a,b,c,d) PCRegister(a,b,c,d) 176 #endif 177 178 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCDestroy(PC); 179 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetFromOptions(PC); 180 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGetType(PC,const PCType*); 181 182 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorGetMatrix(PC,Mat*); 183 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetModifySubMatrices(PC,PetscErrorCode(*)(PC,PetscInt,const IS[],const IS[],Mat[],void*),void*); 184 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCModifySubMatrices(PC,PetscInt,const IS[],const IS[],Mat[],void*); 185 186 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetOperators(PC,Mat,Mat,MatStructure); 187 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGetOperators(PC,Mat*,Mat*,MatStructure*); 188 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGetOperatorsSet(PC,PetscBool *,PetscBool *); 189 190 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCView(PC,PetscViewer); 191 192 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetOptionsPrefix(PC,const char[]); 193 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCAppendOptionsPrefix(PC,const char[]); 194 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGetOptionsPrefix(PC,const char*[]); 195 196 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCComputeExplicitOperator(PC,Mat*); 197 198 /* 199 These are used to provide extra scaling of preconditioned 200 operator for time-stepping schemes like in SUNDIALS 201 */ 202 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGetDiagonalScale(PC,PetscBool *); 203 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCDiagonalScaleLeft(PC,Vec,Vec); 204 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCDiagonalScaleRight(PC,Vec,Vec); 205 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetDiagonalScale(PC,Vec); 206 207 /* ------------- options specific to particular preconditioners --------- */ 208 209 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCJacobiSetUseRowMax(PC); 210 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCJacobiSetUseRowSum(PC); 211 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCJacobiSetUseAbs(PC); 212 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSORSetSymmetric(PC,MatSORType); 213 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSORSetOmega(PC,PetscReal); 214 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSORSetIterations(PC,PetscInt,PetscInt); 215 216 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCEisenstatSetOmega(PC,PetscReal); 217 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCEisenstatNoDiagonalScaling(PC); 218 219 #define USE_PRECONDITIONER_MATRIX 0 220 #define USE_TRUE_MATRIX 1 221 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCBJacobiSetUseTrueLocal(PC); 222 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCBJacobiSetTotalBlocks(PC,PetscInt,const PetscInt[]); 223 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCBJacobiSetLocalBlocks(PC,PetscInt,const PetscInt[]); 224 225 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCKSPSetUseTrue(PC); 226 227 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetApply(PC,PetscErrorCode (*)(PC,Vec,Vec)); 228 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetApplyBA(PC,PetscErrorCode (*)(PC,PCSide,Vec,Vec,Vec)); 229 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetApplyTranspose(PC,PetscErrorCode (*)(PC,Vec,Vec)); 230 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetSetUp(PC,PetscErrorCode (*)(PC)); 231 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetApplyRichardson(PC,PetscErrorCode (*)(PC,Vec,Vec,Vec,PetscReal,PetscReal,PetscReal,PetscInt,PetscBool ,PetscInt*,PCRichardsonConvergedReason*)); 232 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetView(PC,PetscErrorCode (*)(PC,PetscViewer)); 233 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetDestroy(PC,PetscErrorCode (*)(PC)); 234 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellGetContext(PC,void**); 235 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetContext(PC,void*); 236 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellSetName(PC,const char[]); 237 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCShellGetName(PC,char*[]); 238 239 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetZeroPivot(PC,PetscReal); 240 241 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetShiftType(PC,MatFactorShiftType); 242 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetShiftAmount(PC,PetscReal); 243 244 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetMatSolverPackage(PC,const MatSolverPackage); 245 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorGetMatSolverPackage(PC,const MatSolverPackage*); 246 247 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetFill(PC,PetscReal); 248 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetColumnPivot(PC,PetscReal); 249 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorReorderForNonzeroDiagonal(PC,PetscReal); 250 251 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetMatOrderingType(PC,const MatOrderingType); 252 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetReuseOrdering(PC,PetscBool ); 253 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetReuseFill(PC,PetscBool ); 254 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetUseInPlace(PC); 255 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetAllowDiagonalFill(PC); 256 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetPivotInBlocks(PC,PetscBool ); 257 258 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetLevels(PC,PetscInt); 259 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetDropTolerance(PC,PetscReal,PetscReal,PetscInt); 260 261 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMSetLocalSubdomains(PC,PetscInt,IS[],IS[]); 262 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMSetTotalSubdomains(PC,PetscInt,IS[],IS[]); 263 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMSetOverlap(PC,PetscInt); 264 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMSetSortIndices(PC,PetscBool ); 265 266 /*E 267 PCASMType - Type of additive Schwarz method to use 268 269 $ PC_ASM_BASIC - symmetric version where residuals from the ghost points are used 270 $ and computed values in ghost regions are added together. Classical 271 $ standard additive Schwarz 272 $ PC_ASM_RESTRICT - residuals from ghost points are used but computed values in ghost 273 $ region are discarded. Default 274 $ PC_ASM_INTERPOLATE - residuals from ghost points are not used, computed values in ghost 275 $ region are added back in 276 $ PC_ASM_NONE - ghost point residuals are not used, computed ghost values are discarded 277 $ not very good. 278 279 Level: beginner 280 281 .seealso: PCASMSetType() 282 E*/ 283 typedef enum {PC_ASM_BASIC = 3,PC_ASM_RESTRICT = 1,PC_ASM_INTERPOLATE = 2,PC_ASM_NONE = 0} PCASMType; 284 extern const char *PCASMTypes[]; 285 286 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMSetType(PC,PCASMType); 287 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMCreateSubdomains(Mat,PetscInt,IS*[]); 288 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMDestroySubdomains(PetscInt,IS[],IS[]); 289 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMCreateSubdomains2D(PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,IS**,IS**); 290 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMGetLocalSubdomains(PC,PetscInt*,IS*[],IS*[]); 291 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCASMGetLocalSubmatrices(PC,PetscInt*,Mat*[]); 292 293 /*E 294 PCGASMType - Type of generalized additive Schwarz method to use (differs from ASM in allowing multiple processors per domain) 295 296 $ PC_GASM_BASIC - symmetric version where residuals from the ghost points are used 297 $ and computed values in ghost regions are added together. Classical 298 $ standard additive Schwarz 299 $ PC_GASM_RESTRICT - residuals from ghost points are used but computed values in ghost 300 $ region are discarded. Default 301 $ PC_GASM_INTERPOLATE - residuals from ghost points are not used, computed values in ghost 302 $ region are added back in 303 $ PC_GASM_NONE - ghost point residuals are not used, computed ghost values are discarded 304 $ not very good. 305 306 Level: beginner 307 308 .seealso: PCGASMSetType() 309 E*/ 310 typedef enum {PC_GASM_BASIC = 3,PC_GASM_RESTRICT = 1,PC_GASM_INTERPOLATE = 2,PC_GASM_NONE = 0} PCGASMType; 311 extern const char *PCGASMTypes[]; 312 313 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMSetLocalSubdomains(PC,PetscInt,IS[],IS[]); 314 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMSetTotalSubdomains(PC,PetscInt); 315 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMSetOverlap(PC,PetscInt); 316 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMSetSortIndices(PC,PetscBool ); 317 318 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMSetType(PC,PCGASMType); 319 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMCreateSubdomains(Mat,PetscInt,IS*[]); 320 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMDestroySubdomains(PetscInt,IS[],IS[]); 321 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMCreateSubdomains2D(PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,IS**,IS**); 322 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMGetLocalSubdomains(PC,PetscInt*,IS*[],IS*[]); 323 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGASMGetLocalSubmatrices(PC,PetscInt*,Mat*[]); 324 325 /*E 326 PCCompositeType - Determines how two or more preconditioner are composed 327 328 $ PC_COMPOSITE_ADDITIVE - results from application of all preconditioners are added together 329 $ PC_COMPOSITE_MULTIPLICATIVE - preconditioners are applied sequentially to the residual freshly 330 $ computed after the previous preconditioner application 331 $ PC_COMPOSITE_SYMMETRIC_MULTIPLICATIVE - preconditioners are applied sequentially to the residual freshly 332 $ computed from first preconditioner to last and then back (Use only for symmetric matrices and preconditions) 333 $ PC_COMPOSITE_SPECIAL - This is very special for a matrix of the form alpha I + R + S 334 $ where first preconditioner is built from alpha I + S and second from 335 $ alpha I + R 336 337 Level: beginner 338 339 .seealso: PCCompositeSetType() 340 E*/ 341 typedef enum {PC_COMPOSITE_ADDITIVE,PC_COMPOSITE_MULTIPLICATIVE,PC_COMPOSITE_SYMMETRIC_MULTIPLICATIVE,PC_COMPOSITE_SPECIAL,PC_COMPOSITE_SCHUR} PCCompositeType; 342 extern const char *PCCompositeTypes[]; 343 344 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCCompositeSetUseTrue(PC); 345 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCCompositeSetType(PC,PCCompositeType); 346 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCCompositeAddPC(PC,PCType); 347 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCCompositeGetPC(PC,PetscInt,PC *); 348 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCCompositeSpecialSetAlpha(PC,PetscScalar); 349 350 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRedundantSetNumber(PC,PetscInt); 351 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRedundantSetScatter(PC,VecScatter,VecScatter); 352 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRedundantGetOperators(PC,Mat*,Mat*); 353 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCRedundantGetPC(PC,PC*); 354 355 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetEpsilon(PC,double); 356 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetNBSteps(PC,PetscInt); 357 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetMax(PC,PetscInt); 358 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetMaxNew(PC,PetscInt); 359 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetBlockSize(PC,PetscInt); 360 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetCacheSize(PC,PetscInt); 361 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetVerbose(PC,PetscInt); 362 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSPAISetSp(PC,PetscInt); 363 364 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCHYPRESetType(PC,const char[]); 365 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCHYPREGetType(PC,const char*[]); 366 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCBJacobiGetLocalBlocks(PC,PetscInt*,const PetscInt*[]); 367 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCBJacobiGetTotalBlocks(PC,PetscInt*,const PetscInt*[]); 368 369 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFieldSplitSetFields(PC,const char[],PetscInt,const PetscInt*); 370 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFieldSplitSetType(PC,PCCompositeType); 371 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFieldSplitSetBlockSize(PC,PetscInt); 372 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFieldSplitSetIS(PC,const char[],IS); 373 374 /*E 375 PCFieldSplitSchurPreType - Determines how to precondition Schur complement 376 377 Level: intermediate 378 379 .seealso: PCFieldSplitSchurPrecondition() 380 E*/ 381 typedef enum {PC_FIELDSPLIT_SCHUR_PRE_SELF,PC_FIELDSPLIT_SCHUR_PRE_DIAG,PC_FIELDSPLIT_SCHUR_PRE_USER} PCFieldSplitSchurPreType; 382 extern const char *const PCFieldSplitSchurPreTypes[]; 383 384 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFieldSplitSchurPrecondition(PC,PCFieldSplitSchurPreType,Mat); 385 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCFieldSplitGetSchurBlocks(PC,Mat*,Mat*,Mat*,Mat*); 386 387 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGalerkinSetRestriction(PC,Mat); 388 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGalerkinSetInterpolation(PC,Mat); 389 390 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetCoordinates(PC,PetscInt,PetscReal*); 391 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSASetVectors(PC,PetscInt,PetscReal *); 392 393 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCPythonSetType(PC,const char[]); 394 395 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCSetDM(PC,DM); 396 EXTERN PetscErrorCode PETSCKSP_DLLEXPORT PCGetDM(PC,DM*); 397 398 399 PETSC_EXTERN_CXX_END 400 401 #endif /* __PETSCPC_H */ 402