xref: /petsc/include/petscpc.h (revision 030f984af8d8bb4c203755d35bded3c05b3d83ce)
1 /*
2       Preconditioner module.
3 */
4 #if !defined(PETSCPC_H)
5 #define PETSCPC_H
6 #include <petscmat.h>
7 #include <petscdmtypes.h>
8 #include <petscpctypes.h>
9 
10 PETSC_EXTERN PetscErrorCode PCInitializePackage(void);
11 
12 /*
13     PCList contains the list of preconditioners currently registered
14    These are added with PCRegister()
15 */
16 PETSC_EXTERN PetscFunctionList PCList;
17 
18 /* Logging support */
19 PETSC_EXTERN PetscClassId PC_CLASSID;
20 
21 /* Arrays of names for options in implementation PCs */
22 PETSC_EXTERN const char *const *const PCSides;
23 PETSC_EXTERN const char *const PCJacobiTypes[];
24 PETSC_EXTERN const char *const PCASMTypes[];
25 PETSC_EXTERN const char *const PCGASMTypes[];
26 PETSC_EXTERN const char *const PCCompositeTypes[];
27 PETSC_EXTERN const char *const PCFieldSplitSchurPreTypes[];
28 PETSC_EXTERN const char *const PCFieldSplitSchurFactTypes[];
29 PETSC_EXTERN const char *const PCPARMSGlobalTypes[];
30 PETSC_EXTERN const char *const PCPARMSLocalTypes[];
31 PETSC_EXTERN const char *const PCMGTypes[];
32 PETSC_EXTERN const char *const PCMGCycleTypes[];
33 PETSC_EXTERN const char *const PCMGGalerkinTypes[];
34 PETSC_EXTERN const char *const PCMGCoarseSpaceTypes[];
35 PETSC_EXTERN const char *const PCExoticTypes[];
36 PETSC_EXTERN const char *const PCPatchConstructTypes[];
37 PETSC_EXTERN const char *const PCDeflationTypes[];
38 PETSC_EXTERN const char *const *const PCFailedReasons;
39 
40 PETSC_EXTERN PetscErrorCode PCCreate(MPI_Comm,PC*);
41 PETSC_EXTERN PetscErrorCode PCSetType(PC,PCType);
42 PETSC_EXTERN PetscErrorCode PCGetType(PC,PCType*);
43 PETSC_EXTERN PetscErrorCode PCSetUp(PC);
44 
45 PETSC_EXTERN PetscErrorCode PCSetFailedReason(PC,PCFailedReason);
46 PETSC_EXTERN PetscErrorCode PCGetFailedReason(PC,PCFailedReason*);
47 PETSC_DEPRECATED_FUNCTION("Use PCGetFailedReason() (since version 3.11)") PETSC_STATIC_INLINE PetscErrorCode PCGetSetUpFailedReason(PC pc,PCFailedReason *reason) {return PCGetFailedReason(pc,reason);}
48 PETSC_EXTERN PetscErrorCode PCGetFailedReasonRank(PC,PCFailedReason*);
49 
50 PETSC_EXTERN PetscErrorCode PCSetUpOnBlocks(PC);
51 PETSC_EXTERN PetscErrorCode PCApply(PC,Vec,Vec);
52 PETSC_EXTERN PetscErrorCode PCMatApply(PC,Mat,Mat);
53 PETSC_EXTERN PetscErrorCode PCApplySymmetricLeft(PC,Vec,Vec);
54 PETSC_EXTERN PetscErrorCode PCApplySymmetricRight(PC,Vec,Vec);
55 PETSC_EXTERN PetscErrorCode PCApplyBAorAB(PC,PCSide,Vec,Vec,Vec);
56 PETSC_EXTERN PetscErrorCode PCApplyTranspose(PC,Vec,Vec);
57 PETSC_EXTERN PetscErrorCode PCApplyTransposeExists(PC,PetscBool *);
58 PETSC_EXTERN PetscErrorCode PCApplyBAorABTranspose(PC,PCSide,Vec,Vec,Vec);
59 PETSC_EXTERN PetscErrorCode PCSetReusePreconditioner(PC,PetscBool);
60 PETSC_EXTERN PetscErrorCode PCGetReusePreconditioner(PC,PetscBool*);
61 PETSC_EXTERN PetscErrorCode PCSetErrorIfFailure(PC,PetscBool);
62 
63 #define PC_FILE_CLASSID 1211222
64 
65 PETSC_EXTERN PetscErrorCode PCApplyRichardson(PC,Vec,Vec,Vec,PetscReal,PetscReal,PetscReal,PetscInt,PetscBool ,PetscInt*,PCRichardsonConvergedReason*);
66 PETSC_EXTERN PetscErrorCode PCApplyRichardsonExists(PC,PetscBool *);
67 PETSC_EXTERN PetscErrorCode PCSetUseAmat(PC,PetscBool);
68 PETSC_EXTERN PetscErrorCode PCGetUseAmat(PC,PetscBool*);
69 
70 PETSC_EXTERN PetscErrorCode PCRegister(const char[],PetscErrorCode(*)(PC));
71 
72 PETSC_EXTERN PetscErrorCode PCReset(PC);
73 PETSC_EXTERN PetscErrorCode PCDestroy(PC*);
74 PETSC_EXTERN PetscErrorCode PCSetFromOptions(PC);
75 
76 PETSC_EXTERN PetscErrorCode PCFactorGetMatrix(PC,Mat*);
77 PETSC_EXTERN PetscErrorCode PCSetModifySubMatrices(PC,PetscErrorCode(*)(PC,PetscInt,const IS[],const IS[],Mat[],void*),void*);
78 PETSC_EXTERN PetscErrorCode PCModifySubMatrices(PC,PetscInt,const IS[],const IS[],Mat[],void*);
79 
80 PETSC_EXTERN PetscErrorCode PCSetOperators(PC,Mat,Mat);
81 PETSC_EXTERN PetscErrorCode PCGetOperators(PC,Mat*,Mat*);
82 PETSC_EXTERN PetscErrorCode PCGetOperatorsSet(PC,PetscBool*,PetscBool*);
83 
84 PETSC_EXTERN PetscErrorCode PCView(PC,PetscViewer);
85 PETSC_EXTERN PetscErrorCode PCLoad(PC,PetscViewer);
86 PETSC_EXTERN PetscErrorCode PCViewFromOptions(PC,PetscObject,const char[]);
87 
88 PETSC_EXTERN PetscErrorCode PCSetOptionsPrefix(PC,const char[]);
89 PETSC_EXTERN PetscErrorCode PCAppendOptionsPrefix(PC,const char[]);
90 PETSC_EXTERN PetscErrorCode PCGetOptionsPrefix(PC,const char*[]);
91 
92 PETSC_EXTERN PetscErrorCode PCComputeOperator(PC,MatType,Mat*);
93 PETSC_DEPRECATED_FUNCTION("Use PCComputeOperator() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode PCComputeExplicitOperator(PC A,Mat* B) { return PCComputeOperator(A,NULL,B); }
94 
95 /*
96       These are used to provide extra scaling of preconditioned
97    operator for time-stepping schemes like in SUNDIALS
98 */
99 PETSC_EXTERN PetscErrorCode PCGetDiagonalScale(PC,PetscBool *);
100 PETSC_EXTERN PetscErrorCode PCDiagonalScaleLeft(PC,Vec,Vec);
101 PETSC_EXTERN PetscErrorCode PCDiagonalScaleRight(PC,Vec,Vec);
102 PETSC_EXTERN PetscErrorCode PCSetDiagonalScale(PC,Vec);
103 
104 PETSC_EXTERN PetscErrorCode PCSetDM(PC,DM);
105 PETSC_EXTERN PetscErrorCode PCGetDM(PC,DM*);
106 
107 PETSC_EXTERN PetscErrorCode PCGetInterpolations(PC,PetscInt*,Mat*[]);
108 PETSC_EXTERN PetscErrorCode PCGetCoarseOperators(PC pc,PetscInt*,Mat*[]);
109 
110 PETSC_EXTERN PetscErrorCode PCSetCoordinates(PC,PetscInt,PetscInt,PetscReal*);
111 
112 PETSC_EXTERN PetscErrorCode PCSetApplicationContext(PC,void*);
113 PETSC_EXTERN PetscErrorCode PCGetApplicationContext(PC,void*);
114 
115 /* ------------- options specific to particular preconditioners --------- */
116 
117 PETSC_EXTERN PetscErrorCode PCJacobiSetType(PC,PCJacobiType);
118 PETSC_EXTERN PetscErrorCode PCJacobiGetType(PC,PCJacobiType*);
119 PETSC_EXTERN PetscErrorCode PCJacobiSetUseAbs(PC,PetscBool);
120 PETSC_EXTERN PetscErrorCode PCJacobiGetUseAbs(PC,PetscBool*);
121 PETSC_EXTERN PetscErrorCode PCJacobiSetFixDiagonal(PC,PetscBool);
122 PETSC_EXTERN PetscErrorCode PCJacobiGetFixDiagonal(PC,PetscBool*);
123 PETSC_EXTERN PetscErrorCode PCSORSetSymmetric(PC,MatSORType);
124 PETSC_EXTERN PetscErrorCode PCSORGetSymmetric(PC,MatSORType*);
125 PETSC_EXTERN PetscErrorCode PCSORSetOmega(PC,PetscReal);
126 PETSC_EXTERN PetscErrorCode PCSORGetOmega(PC,PetscReal*);
127 PETSC_EXTERN PetscErrorCode PCSORSetIterations(PC,PetscInt,PetscInt);
128 PETSC_EXTERN PetscErrorCode PCSORGetIterations(PC,PetscInt*,PetscInt*);
129 
130 PETSC_EXTERN PetscErrorCode PCEisenstatSetOmega(PC,PetscReal);
131 PETSC_EXTERN PetscErrorCode PCEisenstatGetOmega(PC,PetscReal*);
132 PETSC_EXTERN PetscErrorCode PCEisenstatSetNoDiagonalScaling(PC,PetscBool);
133 PETSC_EXTERN PetscErrorCode PCEisenstatGetNoDiagonalScaling(PC,PetscBool*);
134 
135 PETSC_EXTERN PetscErrorCode PCBJacobiSetTotalBlocks(PC,PetscInt,const PetscInt[]);
136 PETSC_EXTERN PetscErrorCode PCBJacobiGetTotalBlocks(PC,PetscInt*,const PetscInt*[]);
137 PETSC_EXTERN PetscErrorCode PCBJacobiSetLocalBlocks(PC,PetscInt,const PetscInt[]);
138 PETSC_EXTERN PetscErrorCode PCBJacobiGetLocalBlocks(PC,PetscInt*,const PetscInt*[]);
139 
140 PETSC_EXTERN PetscErrorCode PCShellSetApply(PC,PetscErrorCode (*)(PC,Vec,Vec));
141 PETSC_EXTERN PetscErrorCode PCShellSetMatApply(PC,PetscErrorCode (*)(PC,Mat,Mat));
142 PETSC_EXTERN PetscErrorCode PCShellSetApplySymmetricLeft(PC,PetscErrorCode (*)(PC,Vec,Vec));
143 PETSC_EXTERN PetscErrorCode PCShellSetApplySymmetricRight(PC,PetscErrorCode (*)(PC,Vec,Vec));
144 PETSC_EXTERN PetscErrorCode PCShellSetApplyBA(PC,PetscErrorCode (*)(PC,PCSide,Vec,Vec,Vec));
145 PETSC_EXTERN PetscErrorCode PCShellSetApplyTranspose(PC,PetscErrorCode (*)(PC,Vec,Vec));
146 PETSC_EXTERN PetscErrorCode PCShellSetSetUp(PC,PetscErrorCode (*)(PC));
147 PETSC_EXTERN PetscErrorCode PCShellSetApplyRichardson(PC,PetscErrorCode (*)(PC,Vec,Vec,Vec,PetscReal,PetscReal,PetscReal,PetscInt,PetscBool ,PetscInt*,PCRichardsonConvergedReason*));
148 PETSC_EXTERN PetscErrorCode PCShellSetView(PC,PetscErrorCode (*)(PC,PetscViewer));
149 PETSC_EXTERN PetscErrorCode PCShellSetDestroy(PC,PetscErrorCode (*)(PC));
150 PETSC_EXTERN PetscErrorCode PCShellSetContext(PC,void*);
151 PETSC_EXTERN PetscErrorCode PCShellGetContext(PC,void*);
152 PETSC_EXTERN PetscErrorCode PCShellSetName(PC,const char[]);
153 PETSC_EXTERN PetscErrorCode PCShellGetName(PC,const char*[]);
154 
155 PETSC_EXTERN PetscErrorCode PCFactorSetZeroPivot(PC,PetscReal);
156 
157 PETSC_EXTERN PetscErrorCode PCFactorSetShiftType(PC,MatFactorShiftType);
158 PETSC_EXTERN PetscErrorCode PCFactorSetShiftAmount(PC,PetscReal);
159 
160 PETSC_EXTERN PetscErrorCode PCFactorSetMatSolverType(PC,MatSolverType);
161 PETSC_EXTERN PetscErrorCode PCFactorGetMatSolverType(PC,MatSolverType*);
162 PETSC_EXTERN PetscErrorCode PCFactorSetUpMatSolverType(PC);
163 PETSC_DEPRECATED_FUNCTION("Use PCFactorSetMatSolverType() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode PCFactorSetMatSolverPackage(PC pc,MatSolverType stype) {return PCFactorSetMatSolverType(pc,stype);}
164 PETSC_DEPRECATED_FUNCTION("Use PCFactorGetMatSolverType() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode PCFactorGetMatSolverPackage(PC pc,MatSolverType *stype) {return PCFactorGetMatSolverType(pc,stype);}
165 PETSC_DEPRECATED_FUNCTION("Use PCFactorSetUpMatSolverType() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode PCFactorSetUpMatSolverPackage(PC pc) {return PCFactorSetUpMatSolverType(pc);}
166 
167 PETSC_EXTERN PetscErrorCode PCFactorSetFill(PC,PetscReal);
168 PETSC_EXTERN PetscErrorCode PCFactorSetColumnPivot(PC,PetscReal);
169 PETSC_EXTERN PetscErrorCode PCFactorReorderForNonzeroDiagonal(PC,PetscReal);
170 
171 PETSC_EXTERN PetscErrorCode PCFactorSetMatOrderingType(PC,MatOrderingType);
172 PETSC_EXTERN PetscErrorCode PCFactorSetReuseOrdering(PC,PetscBool);
173 PETSC_EXTERN PetscErrorCode PCFactorSetReuseFill(PC,PetscBool);
174 PETSC_EXTERN PetscErrorCode PCFactorSetUseInPlace(PC,PetscBool);
175 PETSC_EXTERN PetscErrorCode PCFactorGetUseInPlace(PC,PetscBool*);
176 PETSC_EXTERN PetscErrorCode PCFactorSetAllowDiagonalFill(PC,PetscBool);
177 PETSC_EXTERN PetscErrorCode PCFactorGetAllowDiagonalFill(PC,PetscBool*);
178 PETSC_EXTERN PetscErrorCode PCFactorSetPivotInBlocks(PC,PetscBool);
179 
180 PETSC_EXTERN PetscErrorCode PCFactorSetLevels(PC,PetscInt);
181 PETSC_EXTERN PetscErrorCode PCFactorGetLevels(PC,PetscInt*);
182 PETSC_EXTERN PetscErrorCode PCFactorSetDropTolerance(PC,PetscReal,PetscReal,PetscInt);
183 PETSC_EXTERN PetscErrorCode PCFactorGetZeroPivot(PC,PetscReal*);
184 PETSC_EXTERN PetscErrorCode PCFactorGetShiftAmount(PC,PetscReal*);
185 PETSC_EXTERN PetscErrorCode PCFactorGetShiftType(PC,MatFactorShiftType*);
186 
187 PETSC_EXTERN PetscErrorCode PCASMSetLocalSubdomains(PC,PetscInt,IS[],IS[]);
188 PETSC_EXTERN PetscErrorCode PCASMSetTotalSubdomains(PC,PetscInt,IS[],IS[]);
189 PETSC_EXTERN PetscErrorCode PCASMSetOverlap(PC,PetscInt);
190 PETSC_EXTERN PetscErrorCode PCASMSetDMSubdomains(PC,PetscBool);
191 PETSC_EXTERN PetscErrorCode PCASMGetDMSubdomains(PC,PetscBool*);
192 PETSC_EXTERN PetscErrorCode PCASMSetSortIndices(PC,PetscBool);
193 
194 PETSC_EXTERN PetscErrorCode PCASMSetType(PC,PCASMType);
195 PETSC_EXTERN PetscErrorCode PCASMGetType(PC,PCASMType*);
196 PETSC_EXTERN PetscErrorCode PCASMSetLocalType(PC,PCCompositeType);
197 PETSC_EXTERN PetscErrorCode PCASMGetLocalType(PC,PCCompositeType*);
198 PETSC_EXTERN PetscErrorCode PCASMCreateSubdomains(Mat,PetscInt,IS*[]);
199 PETSC_EXTERN PetscErrorCode PCASMDestroySubdomains(PetscInt,IS[],IS[]);
200 PETSC_EXTERN PetscErrorCode PCASMCreateSubdomains2D(PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,IS**,IS**);
201 PETSC_EXTERN PetscErrorCode PCASMGetLocalSubdomains(PC,PetscInt*,IS*[],IS*[]);
202 PETSC_EXTERN PetscErrorCode PCASMGetLocalSubmatrices(PC,PetscInt*,Mat*[]);
203 PETSC_EXTERN PetscErrorCode PCASMGetSubMatType(PC,MatType*);
204 PETSC_EXTERN PetscErrorCode PCASMSetSubMatType(PC,MatType);
205 
206 PETSC_EXTERN PetscErrorCode PCGASMSetTotalSubdomains(PC,PetscInt);
207 PETSC_EXTERN PetscErrorCode PCGASMSetSubdomains(PC,PetscInt,IS[],IS[]);
208 PETSC_EXTERN PetscErrorCode PCGASMSetOverlap(PC,PetscInt);
209 PETSC_EXTERN PetscErrorCode PCGASMSetUseDMSubdomains(PC,PetscBool);
210 PETSC_EXTERN PetscErrorCode PCGASMGetUseDMSubdomains(PC,PetscBool*);
211 PETSC_EXTERN PetscErrorCode PCGASMSetSortIndices(PC,PetscBool);
212 
213 PETSC_EXTERN PetscErrorCode PCGASMSetType(PC,PCGASMType);
214 PETSC_EXTERN PetscErrorCode PCGASMCreateSubdomains(Mat,PetscInt,PetscInt*,IS*[]);
215 PETSC_EXTERN PetscErrorCode PCGASMDestroySubdomains(PetscInt,IS*[],IS*[]);
216 PETSC_EXTERN PetscErrorCode PCGASMCreateSubdomains2D(PC,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,IS**,IS**);
217 PETSC_EXTERN PetscErrorCode PCGASMGetSubdomains(PC,PetscInt*,IS*[],IS*[]);
218 PETSC_EXTERN PetscErrorCode PCGASMGetSubmatrices(PC,PetscInt*,Mat*[]);
219 
220 PETSC_EXTERN PetscErrorCode PCCompositeSetType(PC,PCCompositeType);
221 PETSC_EXTERN PetscErrorCode PCCompositeGetType(PC,PCCompositeType*);
222 PETSC_EXTERN PetscErrorCode PCCompositeAddPCType(PC,PCType);
223 PETSC_EXTERN PetscErrorCode PCCompositeAddPC(PC,PC);
224 PETSC_EXTERN PetscErrorCode PCCompositeGetNumberPC(PC,PetscInt *);
225 PETSC_EXTERN PetscErrorCode PCCompositeGetPC(PC,PetscInt,PC *);
226 PETSC_EXTERN PetscErrorCode PCCompositeSpecialSetAlpha(PC,PetscScalar);
227 
228 PETSC_EXTERN PetscErrorCode PCRedundantSetNumber(PC,PetscInt);
229 PETSC_EXTERN PetscErrorCode PCRedundantSetScatter(PC,VecScatter,VecScatter);
230 PETSC_EXTERN PetscErrorCode PCRedundantGetOperators(PC,Mat*,Mat*);
231 
232 PETSC_EXTERN PetscErrorCode PCSPAISetEpsilon(PC,double);
233 PETSC_EXTERN PetscErrorCode PCSPAISetNBSteps(PC,PetscInt);
234 PETSC_EXTERN PetscErrorCode PCSPAISetMax(PC,PetscInt);
235 PETSC_EXTERN PetscErrorCode PCSPAISetMaxNew(PC,PetscInt);
236 PETSC_EXTERN PetscErrorCode PCSPAISetBlockSize(PC,PetscInt);
237 PETSC_EXTERN PetscErrorCode PCSPAISetCacheSize(PC,PetscInt);
238 PETSC_EXTERN PetscErrorCode PCSPAISetVerbose(PC,PetscInt);
239 PETSC_EXTERN PetscErrorCode PCSPAISetSp(PC,PetscInt);
240 
241 PETSC_EXTERN PetscErrorCode PCHYPRESetType(PC,const char[]);
242 PETSC_EXTERN PetscErrorCode PCHYPREGetType(PC,const char*[]);
243 PETSC_EXTERN PetscErrorCode PCHYPRESetDiscreteGradient(PC,Mat);
244 PETSC_EXTERN PetscErrorCode PCHYPRESetDiscreteCurl(PC,Mat);
245 PETSC_EXTERN PetscErrorCode PCHYPRESetInterpolations(PC,PetscInt,Mat,Mat[],Mat,Mat[]);
246 PETSC_EXTERN PetscErrorCode PCHYPRESetEdgeConstantVectors(PC,Vec,Vec,Vec);
247 PETSC_EXTERN PetscErrorCode PCHYPRESetAlphaPoissonMatrix(PC,Mat);
248 PETSC_EXTERN PetscErrorCode PCHYPRESetBetaPoissonMatrix(PC,Mat);
249 
250 PETSC_EXTERN PetscErrorCode PCFieldSplitSetFields(PC,const char[],PetscInt,const PetscInt*,const PetscInt*);
251 PETSC_EXTERN PetscErrorCode PCFieldSplitSetType(PC,PCCompositeType);
252 PETSC_EXTERN PetscErrorCode PCFieldSplitGetType(PC,PCCompositeType*);
253 PETSC_EXTERN PetscErrorCode PCFieldSplitSetBlockSize(PC,PetscInt);
254 PETSC_EXTERN PetscErrorCode PCFieldSplitSetIS(PC,const char[],IS);
255 PETSC_EXTERN PetscErrorCode PCFieldSplitGetIS(PC,const char[],IS*);
256 PETSC_EXTERN PetscErrorCode PCFieldSplitGetISByIndex(PC,PetscInt,IS*);
257 PETSC_EXTERN PetscErrorCode PCFieldSplitRestrictIS(PC,IS);
258 PETSC_EXTERN PetscErrorCode PCFieldSplitSetDMSplits(PC,PetscBool);
259 PETSC_EXTERN PetscErrorCode PCFieldSplitGetDMSplits(PC,PetscBool*);
260 PETSC_EXTERN PetscErrorCode PCFieldSplitSetDiagUseAmat(PC,PetscBool);
261 PETSC_EXTERN PetscErrorCode PCFieldSplitGetDiagUseAmat(PC,PetscBool*);
262 PETSC_EXTERN PetscErrorCode PCFieldSplitSetOffDiagUseAmat(PC,PetscBool);
263 PETSC_EXTERN PetscErrorCode PCFieldSplitGetOffDiagUseAmat(PC,PetscBool*);
264 
265 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use PCFieldSplitSetSchurPre() (since version 3.5)") PetscErrorCode PCFieldSplitSchurPrecondition(PC,PCFieldSplitSchurPreType,Mat);
266 PETSC_EXTERN PetscErrorCode PCFieldSplitSetSchurPre(PC,PCFieldSplitSchurPreType,Mat);
267 PETSC_EXTERN PetscErrorCode PCFieldSplitGetSchurPre(PC,PCFieldSplitSchurPreType*,Mat*);
268 PETSC_EXTERN PetscErrorCode PCFieldSplitSetSchurFactType(PC,PCFieldSplitSchurFactType);
269 PETSC_EXTERN PetscErrorCode PCFieldSplitSetSchurScale(PC,PetscScalar);
270 PETSC_EXTERN PetscErrorCode PCFieldSplitGetSchurBlocks(PC,Mat*,Mat*,Mat*,Mat*);
271 PETSC_EXTERN PetscErrorCode PCFieldSplitSchurGetS(PC,Mat *S);
272 PETSC_EXTERN PetscErrorCode PCFieldSplitSchurRestoreS(PC,Mat *S);
273 PETSC_EXTERN PetscErrorCode PCFieldSplitGetDetectSaddlePoint(PC,PetscBool*);
274 PETSC_EXTERN PetscErrorCode PCFieldSplitSetDetectSaddlePoint(PC,PetscBool);
275 PETSC_EXTERN PetscErrorCode PCFieldSplitSetGKBTol(PC,PetscReal);
276 PETSC_EXTERN PetscErrorCode PCFieldSplitSetGKBNu(PC,PetscReal);
277 PETSC_EXTERN PetscErrorCode PCFieldSplitSetGKBMaxit(PC,PetscInt);
278 PETSC_EXTERN PetscErrorCode PCFieldSplitSetGKBDelay(PC,PetscInt);
279 
280 PETSC_EXTERN PetscErrorCode PCGalerkinSetRestriction(PC,Mat);
281 PETSC_EXTERN PetscErrorCode PCGalerkinSetInterpolation(PC,Mat);
282 PETSC_EXTERN PetscErrorCode PCGalerkinSetComputeSubmatrix(PC,PetscErrorCode (*)(PC,Mat,Mat,Mat*,void*),void*);
283 
284 PETSC_EXTERN PetscErrorCode PCPythonSetType(PC,const char[]);
285 
286 PETSC_EXTERN PetscErrorCode PCPARMSSetGlobal(PC,PCPARMSGlobalType);
287 PETSC_EXTERN PetscErrorCode PCPARMSSetLocal(PC,PCPARMSLocalType);
288 PETSC_EXTERN PetscErrorCode PCPARMSSetSolveTolerances(PC,PetscReal,PetscInt);
289 PETSC_EXTERN PetscErrorCode PCPARMSSetSolveRestart(PC,PetscInt);
290 PETSC_EXTERN PetscErrorCode PCPARMSSetNonsymPerm(PC,PetscBool);
291 PETSC_EXTERN PetscErrorCode PCPARMSSetFill(PC,PetscInt,PetscInt,PetscInt);
292 
293 PETSC_EXTERN PetscErrorCode PCGAMGSetType(PC,PCGAMGType);
294 PETSC_EXTERN PetscErrorCode PCGAMGGetType(PC,PCGAMGType*);
295 PETSC_EXTERN PetscErrorCode PCGAMGSetProcEqLim(PC,PetscInt);
296 
297 PETSC_EXTERN PetscErrorCode PCGAMGSetRepartition(PC,PetscBool);
298 PETSC_EXTERN PetscErrorCode PCGAMGSetUseSAEstEig(PC,PetscBool);
299 PETSC_EXTERN PetscErrorCode PCGAMGSetEstEigKSPMaxIt(PC,PetscInt);
300 PETSC_EXTERN PetscErrorCode PCGAMGSetEstEigKSPType(PC,char[]);
301 PETSC_EXTERN PetscErrorCode PCGAMGSetEigenvalues(PC,PetscReal,PetscReal);
302 PETSC_EXTERN PetscErrorCode PCGAMGASMSetUseAggs(PC,PetscBool);
303 PETSC_EXTERN PetscErrorCode PCGAMGSetUseParallelCoarseGridSolve(PC,PetscBool);
304 PETSC_EXTERN PetscErrorCode PCGAMGSetCpuPinCoarseGrids(PC,PetscBool);
305 PETSC_EXTERN PetscErrorCode PCGAMGSetCoarseGridLayoutType(PC,PCGAMGLayoutType);
306 PETSC_EXTERN PetscErrorCode PCGAMGSetThreshold(PC,PetscReal[],PetscInt);
307 PETSC_EXTERN PetscErrorCode PCGAMGSetRankReductionFactors(PC,PetscInt[],PetscInt);
308 PETSC_EXTERN PetscErrorCode PCGAMGSetThresholdScale(PC,PetscReal);
309 PETSC_EXTERN PetscErrorCode PCGAMGSetCoarseEqLim(PC,PetscInt);
310 PETSC_EXTERN PetscErrorCode PCGAMGSetNlevels(PC,PetscInt);
311 PETSC_EXTERN PetscErrorCode PCGAMGSetNSmooths(PC,PetscInt);
312 PETSC_EXTERN PetscErrorCode PCGAMGSetSymGraph(PC,PetscBool);
313 PETSC_EXTERN PetscErrorCode PCGAMGSetSquareGraph(PC,PetscInt);
314 PETSC_EXTERN PetscErrorCode PCGAMGSetReuseInterpolation(PC,PetscBool);
315 PETSC_EXTERN PetscErrorCode PCGAMGFinalizePackage(void);
316 PETSC_EXTERN PetscErrorCode PCGAMGInitializePackage(void);
317 PETSC_EXTERN PetscErrorCode PCGAMGRegister(PCGAMGType,PetscErrorCode (*)(PC));
318 
319 PETSC_EXTERN PetscErrorCode PCGAMGClassicalSetType(PC,PCGAMGClassicalType);
320 PETSC_EXTERN PetscErrorCode PCGAMGClassicalGetType(PC,PCGAMGClassicalType*);
321 
322 PETSC_EXTERN PetscErrorCode PCBDDCSetDiscreteGradient(PC,Mat,PetscInt,PetscInt,PetscBool,PetscBool);
323 PETSC_EXTERN PetscErrorCode PCBDDCSetDivergenceMat(PC,Mat,PetscBool,IS);
324 PETSC_EXTERN PetscErrorCode PCBDDCSetChangeOfBasisMat(PC,Mat,PetscBool);
325 PETSC_EXTERN PetscErrorCode PCBDDCSetPrimalVerticesIS(PC,IS);
326 PETSC_EXTERN PetscErrorCode PCBDDCSetPrimalVerticesLocalIS(PC,IS);
327 PETSC_EXTERN PetscErrorCode PCBDDCGetPrimalVerticesIS(PC,IS*);
328 PETSC_EXTERN PetscErrorCode PCBDDCGetPrimalVerticesLocalIS(PC,IS*);
329 PETSC_EXTERN PetscErrorCode PCBDDCSetCoarseningRatio(PC,PetscInt);
330 PETSC_EXTERN PetscErrorCode PCBDDCSetLevels(PC,PetscInt);
331 PETSC_EXTERN PetscErrorCode PCBDDCSetDirichletBoundaries(PC,IS);
332 PETSC_EXTERN PetscErrorCode PCBDDCSetDirichletBoundariesLocal(PC,IS);
333 PETSC_EXTERN PetscErrorCode PCBDDCGetDirichletBoundaries(PC,IS*);
334 PETSC_EXTERN PetscErrorCode PCBDDCGetDirichletBoundariesLocal(PC,IS*);
335 PETSC_EXTERN PetscErrorCode PCBDDCSetInterfaceExtType(PC,PCBDDCInterfaceExtType);
336 PETSC_EXTERN PetscErrorCode PCBDDCSetNeumannBoundaries(PC,IS);
337 PETSC_EXTERN PetscErrorCode PCBDDCSetNeumannBoundariesLocal(PC,IS);
338 PETSC_EXTERN PetscErrorCode PCBDDCGetNeumannBoundaries(PC,IS*);
339 PETSC_EXTERN PetscErrorCode PCBDDCGetNeumannBoundariesLocal(PC,IS*);
340 PETSC_EXTERN PetscErrorCode PCBDDCSetDofsSplitting(PC,PetscInt,IS[]);
341 PETSC_EXTERN PetscErrorCode PCBDDCSetDofsSplittingLocal(PC,PetscInt,IS[]);
342 PETSC_EXTERN PetscErrorCode PCBDDCSetLocalAdjacencyGraph(PC,PetscInt,const PetscInt[],const PetscInt[],PetscCopyMode);
343 PETSC_EXTERN PetscErrorCode PCBDDCCreateFETIDPOperators(PC,PetscBool,const char*,Mat*,PC*);
344 PETSC_EXTERN PetscErrorCode PCBDDCMatFETIDPGetRHS(Mat,Vec,Vec);
345 PETSC_EXTERN PetscErrorCode PCBDDCMatFETIDPGetSolution(Mat,Vec,Vec);
346 PETSC_EXTERN PetscErrorCode PCBDDCFinalizePackage(void);
347 PETSC_EXTERN PetscErrorCode PCBDDCInitializePackage(void);
348 
349 PETSC_EXTERN PetscErrorCode PCISSetUseStiffnessScaling(PC,PetscBool);
350 PETSC_EXTERN PetscErrorCode PCISSetSubdomainScalingFactor(PC,PetscScalar);
351 PETSC_EXTERN PetscErrorCode PCISSetSubdomainDiagonalScaling(PC,Vec);
352 
353 PETSC_EXTERN PetscInt PetscMGLevelId;
354 PETSC_EXTERN PetscErrorCode PCMGSetType(PC,PCMGType);
355 PETSC_EXTERN PetscErrorCode PCMGGetType(PC,PCMGType*);
356 PETSC_EXTERN PetscErrorCode PCMGSetLevels(PC,PetscInt,MPI_Comm*);
357 PETSC_EXTERN PetscErrorCode PCMGGetLevels(PC,PetscInt*);
358 
359 PETSC_EXTERN PetscErrorCode PCMGSetDistinctSmoothUp(PC);
360 PETSC_EXTERN PetscErrorCode PCMGSetNumberSmooth(PC,PetscInt);
361 PETSC_EXTERN PetscErrorCode PCMGSetCycleType(PC,PCMGCycleType);
362 PETSC_EXTERN PetscErrorCode PCMGSetCycleTypeOnLevel(PC,PetscInt,PCMGCycleType);
363 PETSC_DEPRECATED_FUNCTION("Use PCMGSetCycleTypeOnLevel() (since version 3.5)") PETSC_STATIC_INLINE PetscErrorCode PCMGSetCyclesOnLevel(PC pc,PetscInt l,PetscInt t) {return PCMGSetCycleTypeOnLevel(pc,l,(PCMGCycleType)t);}
364 PETSC_EXTERN PetscErrorCode PCMGMultiplicativeSetCycles(PC,PetscInt);
365 PETSC_EXTERN PetscErrorCode PCMGSetGalerkin(PC,PCMGGalerkinType);
366 PETSC_EXTERN PetscErrorCode PCMGGetGalerkin(PC,PCMGGalerkinType*);
367 PETSC_EXTERN PetscErrorCode PCMGSetAdaptInterpolation(PC,PetscBool);
368 PETSC_EXTERN PetscErrorCode PCMGGetAdaptInterpolation(PC,PetscBool*);
369 PETSC_EXTERN PetscErrorCode PCMGSetAdaptCR(PC,PetscBool);
370 PETSC_EXTERN PetscErrorCode PCMGGetAdaptCR(PC,PetscBool*);
371 
372 PETSC_EXTERN PetscErrorCode PCMGSetRhs(PC,PetscInt,Vec);
373 PETSC_EXTERN PetscErrorCode PCMGSetX(PC,PetscInt,Vec);
374 PETSC_EXTERN PetscErrorCode PCMGSetR(PC,PetscInt,Vec);
375 
376 PETSC_EXTERN PetscErrorCode PCMGSetRestriction(PC,PetscInt,Mat);
377 PETSC_EXTERN PetscErrorCode PCMGGetRestriction(PC,PetscInt,Mat*);
378 PETSC_EXTERN PetscErrorCode PCMGSetInjection(PC,PetscInt,Mat);
379 PETSC_EXTERN PetscErrorCode PCMGGetInjection(PC,PetscInt,Mat*);
380 PETSC_EXTERN PetscErrorCode PCMGSetInterpolation(PC,PetscInt,Mat);
381 PETSC_EXTERN PetscErrorCode PCMGSetOperators(PC,PetscInt,Mat,Mat);
382 PETSC_EXTERN PetscErrorCode PCMGGetInterpolation(PC,PetscInt,Mat*);
383 PETSC_EXTERN PetscErrorCode PCMGSetRScale(PC,PetscInt,Vec);
384 PETSC_EXTERN PetscErrorCode PCMGGetRScale(PC,PetscInt,Vec*);
385 PETSC_EXTERN PetscErrorCode PCMGSetResidual(PC,PetscInt,PetscErrorCode (*)(Mat,Vec,Vec,Vec),Mat);
386 PETSC_EXTERN PetscErrorCode PCMGSetResidualTranspose(PC,PetscInt,PetscErrorCode (*)(Mat,Vec,Vec,Vec),Mat);
387 PETSC_EXTERN PetscErrorCode PCMGResidualDefault(Mat,Vec,Vec,Vec);
388 PETSC_EXTERN PetscErrorCode PCMGResidualTransposeDefault(Mat,Vec,Vec,Vec);
389 PETSC_EXTERN PetscErrorCode PCMGMatResidualDefault(Mat,Mat,Mat,Mat);
390 PETSC_EXTERN PetscErrorCode PCMGMatResidualTransposeDefault(Mat,Mat,Mat,Mat);
391 
392 PETSC_EXTERN PetscErrorCode PCHMGSetReuseInterpolation(PC,PetscBool);
393 PETSC_EXTERN PetscErrorCode PCHMGSetUseSubspaceCoarsening(PC,PetscBool);
394 PETSC_EXTERN PetscErrorCode PCHMGSetInnerPCType(PC,PCType);
395 PETSC_EXTERN PetscErrorCode PCHMGSetCoarseningComponent(PC,PetscInt);
396 PETSC_EXTERN PetscErrorCode PCHMGUseMatMAIJ(PC,PetscBool);
397 
398 PETSC_EXTERN PetscErrorCode PCTelescopeGetSubcommType(PC,PetscSubcommType*);
399 PETSC_EXTERN PetscErrorCode PCTelescopeSetSubcommType(PC,PetscSubcommType);
400 PETSC_EXTERN PetscErrorCode PCTelescopeGetReductionFactor(PC,PetscInt*);
401 PETSC_EXTERN PetscErrorCode PCTelescopeSetReductionFactor(PC,PetscInt);
402 PETSC_EXTERN PetscErrorCode PCTelescopeGetIgnoreDM(PC,PetscBool*);
403 PETSC_EXTERN PetscErrorCode PCTelescopeSetIgnoreDM(PC,PetscBool);
404 PETSC_EXTERN PetscErrorCode PCTelescopeGetUseCoarseDM(PC,PetscBool*);
405 PETSC_EXTERN PetscErrorCode PCTelescopeSetUseCoarseDM(PC,PetscBool);
406 PETSC_EXTERN PetscErrorCode PCTelescopeGetIgnoreKSPComputeOperators(PC,PetscBool*);
407 PETSC_EXTERN PetscErrorCode PCTelescopeSetIgnoreKSPComputeOperators(PC,PetscBool);
408 PETSC_EXTERN PetscErrorCode PCTelescopeGetDM(PC,DM*);
409 
410 PETSC_EXTERN PetscErrorCode PCPatchSetSaveOperators(PC, PetscBool);
411 PETSC_EXTERN PetscErrorCode PCPatchGetSaveOperators(PC, PetscBool *);
412 PETSC_EXTERN PetscErrorCode PCPatchSetPrecomputeElementTensors(PC, PetscBool);
413 PETSC_EXTERN PetscErrorCode PCPatchGetPrecomputeElementTensors(PC, PetscBool *);
414 PETSC_EXTERN PetscErrorCode PCPatchSetPartitionOfUnity(PC, PetscBool);
415 PETSC_EXTERN PetscErrorCode PCPatchGetPartitionOfUnity(PC, PetscBool *);
416 PETSC_EXTERN PetscErrorCode PCPatchSetSubMatType(PC, MatType);
417 PETSC_EXTERN PetscErrorCode PCPatchGetSubMatType(PC, MatType *);
418 PETSC_EXTERN PetscErrorCode PCPatchSetCellNumbering(PC, PetscSection);
419 PETSC_EXTERN PetscErrorCode PCPatchGetCellNumbering(PC, PetscSection *);
420 PETSC_EXTERN PetscErrorCode PCPatchSetConstructType(PC, PCPatchConstructType,   PetscErrorCode (*)(PC, PetscInt *, IS **, IS *, void *), void *);
421 PETSC_EXTERN PetscErrorCode PCPatchGetConstructType(PC, PCPatchConstructType *, PetscErrorCode (**)(PC, PetscInt *, IS **, IS *, void *), void **);
422 PETSC_EXTERN PetscErrorCode PCPatchSetDiscretisationInfo(PC, PetscInt, DM *, PetscInt *, PetscInt *, const PetscInt **, const PetscInt *, PetscInt, const PetscInt *, PetscInt, const PetscInt *);
423 PETSC_EXTERN PetscErrorCode PCPatchSetComputeOperator(PC, PetscErrorCode (*)(PC,PetscInt,Vec,Mat,IS,PetscInt,const PetscInt *,const PetscInt *, void *), void *);
424 PETSC_EXTERN PetscErrorCode PCPatchSetComputeFunction(PC pc, PetscErrorCode (*func)(PC, PetscInt, Vec, Vec, IS, PetscInt, const PetscInt *, const PetscInt *, void *), void *ctx);
425 PETSC_EXTERN PetscErrorCode PCPatchSetComputeOperatorInteriorFacets(PC, PetscErrorCode (*)(PC,PetscInt,Vec,Mat,IS,PetscInt,const PetscInt *,const PetscInt *, void *), void *);
426 PETSC_EXTERN PetscErrorCode PCPatchSetComputeFunctionInteriorFacets(PC pc, PetscErrorCode (*func)(PC, PetscInt, Vec, Vec, IS, PetscInt, const PetscInt *, const PetscInt *, void *), void *ctx);
427 
428 PETSC_EXTERN PetscErrorCode PCLMVMSetMatLMVM(PC, Mat);
429 PETSC_EXTERN PetscErrorCode PCLMVMGetMatLMVM(PC, Mat*);
430 PETSC_EXTERN PetscErrorCode PCLMVMSetIS(PC, IS);
431 PETSC_EXTERN PetscErrorCode PCLMVMClearIS(PC);
432 
433 PETSC_EXTERN PetscErrorCode PCExoticSetType(PC,PCExoticType);
434 
435 PETSC_EXTERN PetscErrorCode PCDeflationSetInitOnly(PC,PetscBool);
436 PETSC_EXTERN PetscErrorCode PCDeflationSetLevels(PC,PetscInt);
437 PETSC_EXTERN PetscErrorCode PCDeflationSetReductionFactor(PC,PetscInt);
438 PETSC_EXTERN PetscErrorCode PCDeflationSetCorrectionFactor(PC,PetscScalar);
439 PETSC_EXTERN PetscErrorCode PCDeflationSetSpaceToCompute(PC,PCDeflationSpaceType,PetscInt);
440 PETSC_EXTERN PetscErrorCode PCDeflationSetSpace(PC,Mat,PetscBool);
441 PETSC_EXTERN PetscErrorCode PCDeflationSetProjectionNullSpaceMat(PC,Mat);
442 PETSC_EXTERN PetscErrorCode PCDeflationSetCoarseMat(PC,Mat);
443 PETSC_EXTERN PetscErrorCode PCDeflationGetPC(PC,PC*);
444 
445 PETSC_EXTERN PetscErrorCode PCHPDDMSetAuxiliaryMat(PC,IS,Mat,PetscErrorCode (*)(Mat,PetscReal,Vec,Vec,PetscReal,IS,void*),void*);
446 PETSC_EXTERN PetscErrorCode PCHPDDMSetRHSMat(PC,Mat);
447 PETSC_EXTERN PetscErrorCode PCHPDDMHasNeumannMat(PC,PetscBool);
448 PETSC_EXTERN PetscErrorCode PCHPDDMSetCoarseCorrectionType(PC,PCHPDDMCoarseCorrectionType);
449 PETSC_EXTERN PetscErrorCode PCHPDDMGetCoarseCorrectionType(PC,PCHPDDMCoarseCorrectionType*);
450 PETSC_EXTERN PetscErrorCode PCHPDDMGetSTShareSubKSP(PC,PetscBool*);
451 PETSC_EXTERN PetscErrorCode PCHPDDMFinalizePackage(void);
452 PETSC_EXTERN PetscErrorCode PCHPDDMInitializePackage(void);
453 
454 #endif /* PETSCPC_H */
455