1 /* 2 Defines the interface functions for the Krylov subspace accelerators. 3 */ 4 #ifndef __PETSCKSP_H 5 #define __PETSCKSP_H 6 #include <petscpc.h> 7 8 PETSC_EXTERN PetscErrorCode KSPInitializePackage(void); 9 10 /*S 11 KSP - Abstract PETSc object that manages all Krylov methods. This is the object that manages the 12 linear solves in PETSc (even those such as direct solvers that do no use Krylov accelerators). 13 14 Level: beginner 15 16 Concepts: Krylov methods 17 18 Notes: 19 When a direct solver is used but no Krylov solver is used the KSP object is still used by with a 20 KSPType of KSPPREONLY (meaning application of the preconditioner is only used as the linear solver). 21 22 .seealso: KSPCreate(), KSPSetType(), KSPType, SNES, TS, PC, KSP, KSPDestroy(), KSPCG, KSPGMRES 23 S*/ 24 typedef struct _p_KSP* KSP; 25 26 /*J 27 KSPType - String with the name of a PETSc Krylov method. 28 29 Level: beginner 30 31 .seealso: KSPSetType(), KSP, KSPRegister(), KSPCreate(), KSPSetFromOptions() 32 J*/ 33 typedef const char* KSPType; 34 #define KSPRICHARDSON "richardson" 35 #define KSPCHEBYSHEV "chebyshev" 36 #define KSPCG "cg" 37 #define KSPGROPPCG "groppcg" 38 #define KSPPIPECG "pipecg" 39 #define KSPPIPECGRR "pipecgrr" 40 #define KSPPIPELCG "pipelcg" 41 #define KSPCGNE "cgne" 42 #define KSPCGNASH "nash" 43 #define KSPCGSTCG "stcg" 44 #define KSPCGGLTR "gltr" 45 #define KSPFCG "fcg" 46 #define KSPPIPEFCG "pipefcg" 47 #define KSPGMRES "gmres" 48 #define KSPPIPEFGMRES "pipefgmres" 49 #define KSPFGMRES "fgmres" 50 #define KSPLGMRES "lgmres" 51 #define KSPDGMRES "dgmres" 52 #define KSPPGMRES "pgmres" 53 #define KSPTCQMR "tcqmr" 54 #define KSPBCGS "bcgs" 55 #define KSPIBCGS "ibcgs" 56 #define KSPFBCGS "fbcgs" 57 #define KSPFBCGSR "fbcgsr" 58 #define KSPBCGSL "bcgsl" 59 #define KSPPIPEBCGS "pipebcgs" 60 #define KSPCGS "cgs" 61 #define KSPTFQMR "tfqmr" 62 #define KSPCR "cr" 63 #define KSPPIPECR "pipecr" 64 #define KSPLSQR "lsqr" 65 #define KSPPREONLY "preonly" 66 #define KSPQCG "qcg" 67 #define KSPBICG "bicg" 68 #define KSPMINRES "minres" 69 #define KSPSYMMLQ "symmlq" 70 #define KSPLCD "lcd" 71 #define KSPPYTHON "python" 72 #define KSPGCR "gcr" 73 #define KSPPIPEGCR "pipegcr" 74 #define KSPTSIRM "tsirm" 75 #define KSPCGLS "cgls" 76 #define KSPFETIDP "fetidp" 77 78 /* Logging support */ 79 PETSC_EXTERN PetscClassId KSP_CLASSID; 80 PETSC_EXTERN PetscClassId KSPGUESS_CLASSID; 81 PETSC_EXTERN PetscClassId DMKSP_CLASSID; 82 83 PETSC_EXTERN PetscErrorCode KSPCreate(MPI_Comm,KSP*); 84 PETSC_EXTERN PetscErrorCode KSPSetType(KSP,KSPType); 85 PETSC_EXTERN PetscErrorCode KSPGetType(KSP,KSPType*); 86 PETSC_EXTERN PetscErrorCode KSPSetUp(KSP); 87 PETSC_EXTERN PetscErrorCode KSPSetUpOnBlocks(KSP); 88 PETSC_EXTERN PetscErrorCode KSPSolve(KSP,Vec,Vec); 89 PETSC_EXTERN PetscErrorCode KSPSolveTranspose(KSP,Vec,Vec); 90 PETSC_EXTERN PetscErrorCode KSPReset(KSP); 91 PETSC_EXTERN PetscErrorCode KSPDestroy(KSP*); 92 PETSC_EXTERN PetscErrorCode KSPSetReusePreconditioner(KSP,PetscBool); 93 PETSC_EXTERN PetscErrorCode KSPSetSkipPCSetFromOptions(KSP,PetscBool); 94 95 PETSC_EXTERN PetscFunctionList KSPList; 96 PETSC_EXTERN PetscFunctionList KSPGuessList; 97 PETSC_EXTERN PetscErrorCode KSPRegister(const char[],PetscErrorCode (*)(KSP)); 98 99 PETSC_EXTERN PetscErrorCode KSPSetPCSide(KSP,PCSide); 100 PETSC_EXTERN PetscErrorCode KSPGetPCSide(KSP,PCSide*); 101 PETSC_EXTERN PetscErrorCode KSPSetTolerances(KSP,PetscReal,PetscReal,PetscReal,PetscInt); 102 PETSC_EXTERN PetscErrorCode KSPGetTolerances(KSP,PetscReal*,PetscReal*,PetscReal*,PetscInt*); 103 PETSC_EXTERN PetscErrorCode KSPSetInitialGuessNonzero(KSP,PetscBool); 104 PETSC_EXTERN PetscErrorCode KSPGetInitialGuessNonzero(KSP,PetscBool*); 105 PETSC_EXTERN PetscErrorCode KSPSetErrorIfNotConverged(KSP,PetscBool); 106 PETSC_EXTERN PetscErrorCode KSPGetErrorIfNotConverged(KSP,PetscBool*); 107 PETSC_EXTERN PetscErrorCode KSPSetComputeEigenvalues(KSP,PetscBool); 108 PETSC_EXTERN PetscErrorCode KSPSetComputeRitz(KSP,PetscBool); 109 PETSC_EXTERN PetscErrorCode KSPGetComputeEigenvalues(KSP,PetscBool*); 110 PETSC_EXTERN PetscErrorCode KSPSetComputeSingularValues(KSP,PetscBool); 111 PETSC_EXTERN PetscErrorCode KSPGetComputeSingularValues(KSP,PetscBool*); 112 PETSC_EXTERN PetscErrorCode KSPGetRhs(KSP,Vec*); 113 PETSC_EXTERN PetscErrorCode KSPGetSolution(KSP,Vec*); 114 PETSC_EXTERN PetscErrorCode KSPGetResidualNorm(KSP,PetscReal*); 115 PETSC_EXTERN PetscErrorCode KSPGetIterationNumber(KSP,PetscInt*); 116 PETSC_EXTERN PetscErrorCode KSPGetTotalIterations(KSP,PetscInt*); 117 PETSC_EXTERN PetscErrorCode KSPCreateVecs(KSP,PetscInt,Vec**,PetscInt,Vec**); 118 PETSC_DEPRECATED("Use KSPCreateVecs()") PETSC_STATIC_INLINE PetscErrorCode KSPGetVecs(KSP ksp,PetscInt n,Vec **x,PetscInt m,Vec **y) {return KSPCreateVecs(ksp,n,x,m,y);} 119 120 PETSC_EXTERN PetscErrorCode KSPSetPreSolve(KSP,PetscErrorCode (*)(KSP,Vec,Vec,void*),void*); 121 PETSC_EXTERN PetscErrorCode KSPSetPostSolve(KSP,PetscErrorCode (*)(KSP,Vec,Vec,void*),void*); 122 123 PETSC_EXTERN PetscErrorCode KSPSetPC(KSP,PC); 124 PETSC_EXTERN PetscErrorCode KSPGetPC(KSP,PC*); 125 126 PETSC_EXTERN PetscErrorCode KSPMonitor(KSP,PetscInt,PetscReal); 127 PETSC_EXTERN PetscErrorCode KSPMonitorSet(KSP,PetscErrorCode (*)(KSP,PetscInt,PetscReal,void*),void*,PetscErrorCode (*)(void**)); 128 PETSC_EXTERN PetscErrorCode KSPMonitorCancel(KSP); 129 PETSC_EXTERN PetscErrorCode KSPGetMonitorContext(KSP,void**); 130 PETSC_EXTERN PetscErrorCode KSPGetResidualHistory(KSP,PetscReal*[],PetscInt*); 131 PETSC_EXTERN PetscErrorCode KSPSetResidualHistory(KSP,PetscReal[],PetscInt,PetscBool ); 132 133 PETSC_EXTERN PetscErrorCode KSPBuildSolutionDefault(KSP,Vec,Vec*); 134 PETSC_EXTERN PetscErrorCode KSPBuildResidualDefault(KSP,Vec,Vec,Vec*); 135 PETSC_EXTERN PetscErrorCode KSPDestroyDefault(KSP); 136 PETSC_EXTERN PetscErrorCode KSPSetWorkVecs(KSP,PetscInt); 137 138 PETSC_EXTERN PetscErrorCode PCKSPGetKSP(PC,KSP*); 139 PETSC_EXTERN PetscErrorCode PCKSPSetKSP(PC,KSP); 140 PETSC_EXTERN PetscErrorCode PCBJacobiGetSubKSP(PC,PetscInt*,PetscInt*,KSP*[]); 141 PETSC_EXTERN PetscErrorCode PCASMGetSubKSP(PC,PetscInt*,PetscInt*,KSP*[]); 142 PETSC_EXTERN PetscErrorCode PCGASMGetSubKSP(PC,PetscInt*,PetscInt*,KSP*[]); 143 PETSC_EXTERN PetscErrorCode PCFieldSplitGetSubKSP(PC,PetscInt*,KSP*[]); 144 PETSC_EXTERN PetscErrorCode PCFieldSplitSchurGetSubKSP(PC,PetscInt*,KSP*[]); 145 PETSC_EXTERN PetscErrorCode PCMGGetSmoother(PC,PetscInt,KSP*); 146 PETSC_EXTERN PetscErrorCode PCMGGetSmootherDown(PC,PetscInt,KSP*); 147 PETSC_EXTERN PetscErrorCode PCMGGetSmootherUp(PC,PetscInt,KSP*); 148 PETSC_EXTERN PetscErrorCode PCMGGetCoarseSolve(PC,KSP*); 149 PETSC_EXTERN PetscErrorCode PCGalerkinGetKSP(PC,KSP*); 150 151 PETSC_EXTERN PetscErrorCode KSPBuildSolution(KSP,Vec,Vec*); 152 PETSC_EXTERN PetscErrorCode KSPBuildResidual(KSP,Vec,Vec,Vec*); 153 154 PETSC_EXTERN PetscErrorCode KSPRichardsonSetScale(KSP,PetscReal); 155 PETSC_EXTERN PetscErrorCode KSPRichardsonSetSelfScale(KSP,PetscBool ); 156 PETSC_EXTERN PetscErrorCode KSPChebyshevSetEigenvalues(KSP,PetscReal,PetscReal); 157 PETSC_EXTERN PetscErrorCode KSPChebyshevEstEigSet(KSP,PetscReal,PetscReal,PetscReal,PetscReal); 158 PETSC_EXTERN PetscErrorCode KSPChebyshevEstEigSetUseNoisy(KSP,PetscBool); 159 PETSC_EXTERN PetscErrorCode KSPChebyshevEstEigGetKSP(KSP,KSP*); 160 PETSC_EXTERN PetscErrorCode KSPComputeExtremeSingularValues(KSP,PetscReal*,PetscReal*); 161 PETSC_EXTERN PetscErrorCode KSPComputeEigenvalues(KSP,PetscInt,PetscReal[],PetscReal[],PetscInt*); 162 PETSC_EXTERN PetscErrorCode KSPComputeEigenvaluesExplicitly(KSP,PetscInt,PetscReal[],PetscReal[]); 163 PETSC_EXTERN PetscErrorCode KSPComputeRitz(KSP,PetscBool,PetscBool,PetscInt*,Vec[],PetscReal[],PetscReal[]); 164 165 /*E 166 167 KSPFCDTruncationType - Define how stored directions are used to orthogonalize in flexible conjugate directions (FCD) methods 168 169 KSP_FCD_TRUNC_TYPE_STANDARD uses all (up to mmax) stored directions 170 KSP_FCD_TRUNC_TYPE_NOTAY uses the last max(1,mod(i,mmax)) stored directions at iteration i=0,1.. 171 172 Level: intermediate 173 .seealso : KSPFCG,KSPPIPEFCG,KSPPIPEGCR,KSPFCGSetTruncationType(),KSPFCGGetTruncationType() 174 175 E*/ 176 typedef enum {KSP_FCD_TRUNC_TYPE_STANDARD,KSP_FCD_TRUNC_TYPE_NOTAY} KSPFCDTruncationType; 177 PETSC_EXTERN const char *const KSPFCDTruncationTypes[]; 178 179 PETSC_EXTERN PetscErrorCode KSPFCGSetMmax(KSP,PetscInt); 180 PETSC_EXTERN PetscErrorCode KSPFCGGetMmax(KSP,PetscInt*); 181 PETSC_EXTERN PetscErrorCode KSPFCGSetNprealloc(KSP,PetscInt); 182 PETSC_EXTERN PetscErrorCode KSPFCGGetNprealloc(KSP,PetscInt*); 183 PETSC_EXTERN PetscErrorCode KSPFCGSetTruncationType(KSP,KSPFCDTruncationType); 184 PETSC_EXTERN PetscErrorCode KSPFCGGetTruncationType(KSP,KSPFCDTruncationType*); 185 186 PETSC_EXTERN PetscErrorCode KSPPIPEFCGSetMmax(KSP,PetscInt); 187 PETSC_EXTERN PetscErrorCode KSPPIPEFCGGetMmax(KSP,PetscInt*); 188 PETSC_EXTERN PetscErrorCode KSPPIPEFCGSetNprealloc(KSP,PetscInt); 189 PETSC_EXTERN PetscErrorCode KSPPIPEFCGGetNprealloc(KSP,PetscInt*); 190 PETSC_EXTERN PetscErrorCode KSPPIPEFCGSetTruncationType(KSP,KSPFCDTruncationType); 191 PETSC_EXTERN PetscErrorCode KSPPIPEFCGGetTruncationType(KSP,KSPFCDTruncationType*); 192 193 PETSC_EXTERN PetscErrorCode KSPPIPEGCRSetMmax(KSP,PetscInt); 194 PETSC_EXTERN PetscErrorCode KSPPIPEGCRGetMmax(KSP,PetscInt*); 195 PETSC_EXTERN PetscErrorCode KSPPIPEGCRSetNprealloc(KSP,PetscInt); 196 PETSC_EXTERN PetscErrorCode KSPPIPEGCRGetNprealloc(KSP,PetscInt*); 197 PETSC_EXTERN PetscErrorCode KSPPIPEGCRSetTruncationType(KSP,KSPFCDTruncationType); 198 PETSC_EXTERN PetscErrorCode KSPPIPEGCRGetTruncationType(KSP,KSPFCDTruncationType*); 199 PETSC_EXTERN PetscErrorCode KSPPIPEGCRSetUnrollW(KSP,PetscBool); 200 PETSC_EXTERN PetscErrorCode KSPPIPEGCRGetUnrollW(KSP,PetscBool*); 201 202 PETSC_EXTERN PetscErrorCode KSPGMRESSetRestart(KSP, PetscInt); 203 PETSC_EXTERN PetscErrorCode KSPGMRESGetRestart(KSP, PetscInt*); 204 PETSC_EXTERN PetscErrorCode KSPGMRESSetHapTol(KSP,PetscReal); 205 206 PETSC_EXTERN PetscErrorCode KSPGMRESSetPreAllocateVectors(KSP); 207 PETSC_EXTERN PetscErrorCode KSPGMRESSetOrthogonalization(KSP,PetscErrorCode (*)(KSP,PetscInt)); 208 PETSC_EXTERN PetscErrorCode KSPGMRESGetOrthogonalization(KSP,PetscErrorCode (**)(KSP,PetscInt)); 209 PETSC_EXTERN PetscErrorCode KSPGMRESModifiedGramSchmidtOrthogonalization(KSP,PetscInt); 210 PETSC_EXTERN PetscErrorCode KSPGMRESClassicalGramSchmidtOrthogonalization(KSP,PetscInt); 211 212 PETSC_EXTERN PetscErrorCode KSPLGMRESSetAugDim(KSP,PetscInt); 213 PETSC_EXTERN PetscErrorCode KSPLGMRESSetConstant(KSP); 214 215 PETSC_EXTERN PetscErrorCode KSPPIPEFGMRESSetShift(KSP,PetscScalar); 216 217 PETSC_EXTERN PetscErrorCode KSPGCRSetRestart(KSP,PetscInt); 218 PETSC_EXTERN PetscErrorCode KSPGCRGetRestart(KSP,PetscInt*); 219 PETSC_EXTERN PetscErrorCode KSPGCRSetModifyPC(KSP,PetscErrorCode (*)(KSP,PetscInt,PetscReal,void*),void*,PetscErrorCode(*)(void*)); 220 221 PETSC_EXTERN PetscErrorCode KSPFETIDPGetInnerBDDC(KSP,PC*); 222 PETSC_EXTERN PetscErrorCode KSPFETIDPSetInnerBDDC(KSP,PC); 223 PETSC_EXTERN PetscErrorCode KSPFETIDPGetInnerKSP(KSP,KSP*); 224 PETSC_EXTERN PetscErrorCode KSPFETIDPSetPressureOperator(KSP,Mat); 225 /*E 226 KSPGMRESCGSRefinementType - How the classical (unmodified) Gram-Schmidt is performed. 227 228 Level: advanced 229 230 .seealso: KSPGMRESClassicalGramSchmidtOrthogonalization(), KSPGMRESSetOrthogonalization(), KSPGMRESGetOrthogonalization(), 231 KSPGMRESSetCGSRefinementType(), KSPGMRESGetCGSRefinementType(), KSPGMRESModifiedGramSchmidtOrthogonalization() 232 233 E*/ 234 typedef enum {KSP_GMRES_CGS_REFINE_NEVER, KSP_GMRES_CGS_REFINE_IFNEEDED, KSP_GMRES_CGS_REFINE_ALWAYS} KSPGMRESCGSRefinementType; 235 PETSC_EXTERN const char *const KSPGMRESCGSRefinementTypes[]; 236 /*MC 237 KSP_GMRES_CGS_REFINE_NEVER - Do the classical (unmodified) Gram-Schmidt process 238 239 Level: advanced 240 241 Note: Possible unstable, but the fastest to compute 242 243 .seealso: KSPGMRESClassicalGramSchmidtOrthogonalization(), KSPGMRESSetOrthogonalization(), KSPGMRESGetOrthogonalization(), 244 KSPGMRESSetCGSRefinementType(), KSPGMRESGetCGSRefinementType(), KSP_GMRES_CGS_REFINE_IFNEEDED, KSP_GMRES_CGS_REFINE_ALWAYS, 245 KSPGMRESModifiedGramSchmidtOrthogonalization() 246 M*/ 247 248 /*MC 249 KSP_GMRES_CGS_REFINE_IFNEEDED - Do the classical (unmodified) Gram-Schmidt process and one step of 250 iterative refinement if an estimate of the orthogonality of the resulting vectors indicates 251 poor orthogonality. 252 253 Level: advanced 254 255 Note: This is slower than KSP_GMRES_CGS_REFINE_NEVER because it requires an extra norm computation to 256 estimate the orthogonality but is more stable. 257 258 .seealso: KSPGMRESClassicalGramSchmidtOrthogonalization(), KSPGMRESSetOrthogonalization(), KSPGMRESGetOrthogonalization(), 259 KSPGMRESSetCGSRefinementType(), KSPGMRESGetCGSRefinementType(), KSP_GMRES_CGS_REFINE_NEVER, KSP_GMRES_CGS_REFINE_ALWAYS, 260 KSPGMRESModifiedGramSchmidtOrthogonalization() 261 M*/ 262 263 /*MC 264 KSP_GMRES_CGS_REFINE_NEVER - Do two steps of the classical (unmodified) Gram-Schmidt process. 265 266 Level: advanced 267 268 Note: This is roughly twice the cost of KSP_GMRES_CGS_REFINE_NEVER because it performs the process twice 269 but it saves the extra norm calculation needed by KSP_GMRES_CGS_REFINE_IFNEEDED. 270 271 You should only use this if you absolutely know that the iterative refinement is needed. 272 273 .seealso: KSPGMRESClassicalGramSchmidtOrthogonalization(), KSPGMRESSetOrthogonalization(), KSPGMRESGetOrthogonalization(), 274 KSPGMRESSetCGSRefinementType(), KSPGMRESGetCGSRefinementType(), KSP_GMRES_CGS_REFINE_IFNEEDED, KSP_GMRES_CGS_REFINE_ALWAYS, 275 KSPGMRESModifiedGramSchmidtOrthogonalization() 276 M*/ 277 278 PETSC_EXTERN PetscErrorCode KSPGMRESSetCGSRefinementType(KSP,KSPGMRESCGSRefinementType); 279 PETSC_EXTERN PetscErrorCode KSPGMRESGetCGSRefinementType(KSP,KSPGMRESCGSRefinementType*); 280 281 PETSC_EXTERN PetscErrorCode KSPFGMRESModifyPCNoChange(KSP,PetscInt,PetscInt,PetscReal,void*); 282 PETSC_EXTERN PetscErrorCode KSPFGMRESModifyPCKSP(KSP,PetscInt,PetscInt,PetscReal,void*); 283 PETSC_EXTERN PetscErrorCode KSPFGMRESSetModifyPC(KSP,PetscErrorCode (*)(KSP,PetscInt,PetscInt,PetscReal,void*),void*,PetscErrorCode(*)(void*)); 284 285 PETSC_EXTERN PetscErrorCode KSPQCGSetTrustRegionRadius(KSP,PetscReal); 286 PETSC_EXTERN PetscErrorCode KSPQCGGetQuadratic(KSP,PetscReal*); 287 PETSC_EXTERN PetscErrorCode KSPQCGGetTrialStepNorm(KSP,PetscReal*); 288 289 PETSC_EXTERN PetscErrorCode KSPBCGSLSetXRes(KSP,PetscReal); 290 PETSC_EXTERN PetscErrorCode KSPBCGSLSetPol(KSP,PetscBool ); 291 PETSC_EXTERN PetscErrorCode KSPBCGSLSetEll(KSP,PetscInt); 292 PETSC_EXTERN PetscErrorCode KSPBCGSLSetUsePseudoinverse(KSP,PetscBool); 293 294 PETSC_EXTERN PetscErrorCode KSPSetFromOptions(KSP); 295 PETSC_EXTERN PetscErrorCode KSPAddOptionsChecker(PetscErrorCode (*)(KSP)); 296 297 PETSC_EXTERN PetscErrorCode KSPMonitorSingularValue(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 298 PETSC_EXTERN PetscErrorCode KSPMonitorDefault(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 299 PETSC_EXTERN PetscErrorCode KSPLSQRMonitorDefault(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 300 PETSC_EXTERN PetscErrorCode KSPMonitorRange(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 301 PETSC_EXTERN PetscErrorCode KSPMonitorDynamicTolerance(KSP ksp,PetscInt its,PetscReal fnorm,void *dummy); 302 PETSC_EXTERN PetscErrorCode KSPMonitorDynamicToleranceDestroy(void **dummy); 303 PETSC_EXTERN PetscErrorCode KSPMonitorTrueResidualNorm(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 304 PETSC_EXTERN PetscErrorCode KSPMonitorTrueResidualMaxNorm(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 305 PETSC_EXTERN PetscErrorCode KSPMonitorDefaultShort(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 306 PETSC_EXTERN PetscErrorCode KSPMonitorSolution(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 307 PETSC_EXTERN PetscErrorCode KSPMonitorSAWs(KSP,PetscInt,PetscReal,void*); 308 PETSC_EXTERN PetscErrorCode KSPMonitorSAWsCreate(KSP,void**); 309 PETSC_EXTERN PetscErrorCode KSPMonitorSAWsDestroy(void**); 310 PETSC_EXTERN PetscErrorCode KSPGMRESMonitorKrylov(KSP,PetscInt,PetscReal,void*); 311 PETSC_EXTERN PetscErrorCode KSPMonitorSetFromOptions(KSP,const char[],const char[],const char [],PetscErrorCode (*)(KSP,PetscInt,PetscReal,PetscViewerAndFormat*)); 312 313 PETSC_EXTERN PetscErrorCode KSPUnwindPreconditioner(KSP,Vec,Vec); 314 PETSC_EXTERN PetscErrorCode KSPInitialResidual(KSP,Vec,Vec,Vec,Vec,Vec); 315 316 PETSC_EXTERN PetscErrorCode KSPSetOperators(KSP,Mat,Mat); 317 PETSC_EXTERN PetscErrorCode KSPGetOperators(KSP,Mat*,Mat*); 318 PETSC_EXTERN PetscErrorCode KSPGetOperatorsSet(KSP,PetscBool*,PetscBool*); 319 PETSC_EXTERN PetscErrorCode KSPSetOptionsPrefix(KSP,const char[]); 320 PETSC_EXTERN PetscErrorCode KSPAppendOptionsPrefix(KSP,const char[]); 321 PETSC_EXTERN PetscErrorCode KSPGetOptionsPrefix(KSP,const char*[]); 322 PETSC_EXTERN PetscErrorCode KSPSetTabLevel(KSP,PetscInt); 323 PETSC_EXTERN PetscErrorCode KSPGetTabLevel(KSP,PetscInt*); 324 325 PETSC_EXTERN PetscErrorCode KSPSetDiagonalScale(KSP,PetscBool ); 326 PETSC_EXTERN PetscErrorCode KSPGetDiagonalScale(KSP,PetscBool*); 327 PETSC_EXTERN PetscErrorCode KSPSetDiagonalScaleFix(KSP,PetscBool ); 328 PETSC_EXTERN PetscErrorCode KSPGetDiagonalScaleFix(KSP,PetscBool*); 329 330 PETSC_EXTERN PetscErrorCode KSPView(KSP,PetscViewer); 331 PETSC_EXTERN PetscErrorCode KSPLoad(KSP,PetscViewer); 332 PETSC_STATIC_INLINE PetscErrorCode KSPViewFromOptions(KSP A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);} 333 PETSC_EXTERN PetscErrorCode KSPReasonView(KSP,PetscViewer); 334 PETSC_EXTERN PetscErrorCode KSPReasonViewFromOptions(KSP); 335 336 #define KSP_FILE_CLASSID 1211223 337 338 PETSC_EXTERN PetscErrorCode KSPLSQRSetExactMatNorm(KSP,PetscBool); 339 PETSC_EXTERN PetscErrorCode KSPLSQRSetComputeStandardErrorVec(KSP,PetscBool); 340 PETSC_EXTERN PetscErrorCode KSPLSQRGetStandardErrorVec(KSP,Vec*); 341 PETSC_EXTERN PetscErrorCode KSPLSQRGetNorms(KSP,PetscReal*,PetscReal*); 342 343 PETSC_EXTERN PetscErrorCode PCRedundantGetKSP(PC,KSP*); 344 PETSC_EXTERN PetscErrorCode PCRedistributeGetKSP(PC,KSP*); 345 PETSC_EXTERN PetscErrorCode PCTelescopeGetKSP(PC,KSP*); 346 347 /*E 348 KSPNormType - Norm that is passed in the Krylov convergence 349 test routines. 350 351 Level: advanced 352 353 Each solver only supports a subset of these and some may support different ones 354 depending on left or right preconditioning, see KSPSetPCSide() 355 356 Notes: 357 this must match petsc/finclude/petscksp.h 358 359 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPSetNormType(), 360 KSPSetConvergenceTest(), KSPSetPCSide() 361 E*/ 362 typedef enum {KSP_NORM_DEFAULT = -1,KSP_NORM_NONE = 0,KSP_NORM_PRECONDITIONED = 1,KSP_NORM_UNPRECONDITIONED = 2,KSP_NORM_NATURAL = 3} KSPNormType; 363 #define KSP_NORM_MAX (KSP_NORM_NATURAL + 1) 364 PETSC_EXTERN const char *const*const KSPNormTypes; 365 366 /*MC 367 KSP_NORM_NONE - Do not compute a norm during the Krylov process. This will 368 possibly save some computation but means the convergence test cannot 369 be based on a norm of a residual etc. 370 371 Level: advanced 372 373 Note: Some Krylov methods need to compute a residual norm (such as GMRES) and then this option is ignored 374 375 .seealso: KSPNormType, KSPSetNormType(), KSP_NORM_PRECONDITIONED, KSP_NORM_UNPRECONDITIONED, KSP_NORM_NATURAL 376 M*/ 377 378 /*MC 379 KSP_NORM_PRECONDITIONED - Compute the norm of the preconditioned residual B*(b - A*x), if left preconditioning, and pass that to the 380 convergence test routine. 381 382 Level: advanced 383 384 .seealso: KSPNormType, KSPSetNormType(), KSP_NORM_NONE, KSP_NORM_UNPRECONDITIONED, KSP_NORM_NATURAL, KSPSetConvergenceTest() 385 M*/ 386 387 /*MC 388 KSP_NORM_UNPRECONDITIONED - Compute the norm of the true residual (b - A*x) and pass that to the 389 convergence test routine. 390 391 Level: advanced 392 393 .seealso: KSPNormType, KSPSetNormType(), KSP_NORM_NONE, KSP_NORM_PRECONDITIONED, KSP_NORM_NATURAL, KSPSetConvergenceTest() 394 M*/ 395 396 /*MC 397 KSP_NORM_NATURAL - Compute the 'natural norm' of residual sqrt((b - A*x)*B*(b - A*x)) and pass that to the 398 convergence test routine. This is only supported by KSPCG, KSPCR, KSPCGNE, KSPCGS, KSPFCG, KSPPIPEFCG, KSPPIPEGCR 399 400 Level: advanced 401 402 .seealso: KSPNormType, KSPSetNormType(), KSP_NORM_NONE, KSP_NORM_PRECONDITIONED, KSP_NORM_UNPRECONDITIONED, KSPSetConvergenceTest() 403 M*/ 404 405 PETSC_EXTERN PetscErrorCode KSPSetNormType(KSP,KSPNormType); 406 PETSC_EXTERN PetscErrorCode KSPGetNormType(KSP,KSPNormType*); 407 PETSC_EXTERN PetscErrorCode KSPSetSupportedNorm(KSP ksp,KSPNormType,PCSide,PetscInt); 408 PETSC_EXTERN PetscErrorCode KSPSetCheckNormIteration(KSP,PetscInt); 409 PETSC_EXTERN PetscErrorCode KSPSetLagNorm(KSP,PetscBool); 410 411 /*E 412 KSPConvergedReason - reason a Krylov method was said to have converged or diverged 413 414 Level: beginner 415 416 Notes: 417 See KSPGetConvergedReason() for explanation of each value 418 419 Developer Notes: 420 this must match petsc/finclude/petscksp.h 421 422 The string versions of these are KSPConvergedReasons; if you change 423 any of the values here also change them that array of names. 424 425 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPSetTolerances() 426 E*/ 427 typedef enum {/* converged */ 428 KSP_CONVERGED_RTOL_NORMAL = 1, 429 KSP_CONVERGED_ATOL_NORMAL = 9, 430 KSP_CONVERGED_RTOL = 2, 431 KSP_CONVERGED_ATOL = 3, 432 KSP_CONVERGED_ITS = 4, 433 KSP_CONVERGED_CG_NEG_CURVE = 5, 434 KSP_CONVERGED_CG_CONSTRAINED = 6, 435 KSP_CONVERGED_STEP_LENGTH = 7, 436 KSP_CONVERGED_HAPPY_BREAKDOWN = 8, 437 /* diverged */ 438 KSP_DIVERGED_NULL = -2, 439 KSP_DIVERGED_ITS = -3, 440 KSP_DIVERGED_DTOL = -4, 441 KSP_DIVERGED_BREAKDOWN = -5, 442 KSP_DIVERGED_BREAKDOWN_BICG = -6, 443 KSP_DIVERGED_NONSYMMETRIC = -7, 444 KSP_DIVERGED_INDEFINITE_PC = -8, 445 KSP_DIVERGED_NANORINF = -9, 446 KSP_DIVERGED_INDEFINITE_MAT = -10, 447 KSP_DIVERGED_PCSETUP_FAILED = -11, 448 449 KSP_CONVERGED_ITERATING = 0} KSPConvergedReason; 450 PETSC_EXTERN const char *const*KSPConvergedReasons; 451 452 /*MC 453 KSP_CONVERGED_RTOL - norm(r) <= rtol*norm(b) or rtol*norm(b - A*x_0) if KSPConvergedDefaultSetUIRNorm() was called 454 455 Level: beginner 456 457 See KSPNormType and KSPSetNormType() for possible norms that may be used. By default 458 for left preconditioning it is the 2-norm of the preconditioned residual, and the 459 2-norm of the residual for right preconditioning 460 461 See also KSP_CONVERGED_ATOL which may apply before this tolerance. 462 463 .seealso: KSP_CONVERGED_ATOL, KSP_DIVERGED_DTOL, KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 464 465 M*/ 466 467 /*MC 468 KSP_CONVERGED_ATOL - norm(r) <= atol 469 470 Level: beginner 471 472 See KSPNormType and KSPSetNormType() for possible norms that may be used. By default 473 for left preconditioning it is the 2-norm of the preconditioned residual, and the 474 2-norm of the residual for right preconditioning 475 476 See also KSP_CONVERGED_RTOL which may apply before this tolerance. 477 478 .seealso: KSP_CONVERGED_RTOL, KSP_DIVERGED_DTOL, KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 479 480 M*/ 481 482 /*MC 483 KSP_DIVERGED_DTOL - norm(r) >= dtol*norm(b) 484 485 Level: beginner 486 487 See KSPNormType and KSPSetNormType() for possible norms that may be used. By default 488 for left preconditioning it is the 2-norm of the preconditioned residual, and the 489 2-norm of the residual for right preconditioning 490 491 Level: beginner 492 493 .seealso: KSP_CONVERGED_ATOL, KSP_DIVERGED_RTOL, KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 494 495 M*/ 496 497 /*MC 498 KSP_DIVERGED_ITS - Ran out of iterations before any convergence criteria was 499 reached 500 501 Level: beginner 502 503 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 504 505 M*/ 506 507 /*MC 508 KSP_CONVERGED_ITS - Used by the KSPPREONLY solver after the single iteration of 509 the preconditioner is applied. Also used when the KSPConvergedSkip() convergence 510 test routine is set in KSP. 511 512 Level: beginner 513 514 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 515 516 M*/ 517 518 /*MC 519 KSP_DIVERGED_BREAKDOWN - A breakdown in the Krylov method was detected so the 520 method could not continue to enlarge the Krylov space. Could be due to a singlular matrix or 521 preconditioner. 522 523 Level: beginner 524 525 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 526 527 M*/ 528 529 /*MC 530 KSP_DIVERGED_BREAKDOWN_BICG - A breakdown in the KSPBICG method was detected so the 531 method could not continue to enlarge the Krylov space. 532 533 Level: beginner 534 535 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 536 537 M*/ 538 539 /*MC 540 KSP_DIVERGED_NONSYMMETRIC - It appears the operator or preconditioner is not 541 symmetric and this Krylov method (KSPCG, KSPMINRES, KSPCR) requires symmetry 542 543 Level: beginner 544 545 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 546 547 M*/ 548 549 /*MC 550 KSP_DIVERGED_INDEFINITE_PC - It appears the preconditioner is indefinite (has both 551 positive and negative eigenvalues) and this Krylov method (KSPCG) requires it to 552 be positive definite 553 554 Level: beginner 555 556 Notes: 557 This can happen with the PCICC preconditioner, use -pc_factor_shift_positive_definite to force 558 the PCICC preconditioner to generate a positive definite preconditioner 559 560 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 561 562 M*/ 563 564 /*MC 565 KSP_DIVERGED_PCSETUP_FAILED - It was not possible to build the requested preconditioner. This is usually due to a 566 zero pivot in a factorization. It can also result from a failure in a subpreconditioner inside a nested preconditioner 567 such as PCFIELDSPLIT. 568 569 Level: beginner 570 571 Notes: 572 Run with -ksp_error_if_not_converged to stop the program when the error is detected and print an error message with details. 573 574 575 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 576 577 M*/ 578 579 /*MC 580 KSP_CONVERGED_ITERATING - This flag is returned if you call KSPGetConvergedReason() 581 while the KSPSolve() is still running. 582 583 Level: beginner 584 585 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 586 587 M*/ 588 589 PETSC_EXTERN PetscErrorCode KSPSetConvergenceTest(KSP,PetscErrorCode (*)(KSP,PetscInt,PetscReal,KSPConvergedReason*,void*),void*,PetscErrorCode (*)(void*)); 590 PETSC_EXTERN PetscErrorCode KSPGetConvergenceContext(KSP,void**); 591 PETSC_EXTERN PetscErrorCode KSPConvergedDefault(KSP,PetscInt,PetscReal,KSPConvergedReason*,void*); 592 PETSC_EXTERN PetscErrorCode KSPLSQRConvergedDefault(KSP,PetscInt,PetscReal,KSPConvergedReason*,void*); 593 PETSC_EXTERN PetscErrorCode KSPConvergedDefaultDestroy(void*); 594 PETSC_EXTERN PetscErrorCode KSPConvergedDefaultCreate(void**); 595 PETSC_EXTERN PetscErrorCode KSPConvergedDefaultSetUIRNorm(KSP); 596 PETSC_EXTERN PetscErrorCode KSPConvergedDefaultSetUMIRNorm(KSP); 597 PETSC_EXTERN PetscErrorCode KSPConvergedSkip(KSP,PetscInt,PetscReal,KSPConvergedReason*,void*); 598 PETSC_EXTERN PetscErrorCode KSPGetConvergedReason(KSP,KSPConvergedReason*); 599 600 PETSC_DEPRECATED("Use KSPConvergedDefault()") PETSC_STATIC_INLINE void KSPDefaultConverged(void) { /* never called */ } 601 #define KSPDefaultConverged (KSPDefaultConverged, KSPConvergedDefault) 602 PETSC_DEPRECATED("Use KSPConvergedDefaultDestroy()") PETSC_STATIC_INLINE void KSPDefaultConvergedDestroy(void) { /* never called */ } 603 #define KSPDefaultConvergedDestroy (KSPDefaultConvergedDestroy, KSPConvergedDefaultDestroy) 604 PETSC_DEPRECATED("Use KSPConvergedDefaultCreate()") PETSC_STATIC_INLINE void KSPDefaultConvergedCreate(void) { /* never called */ } 605 #define KSPDefaultConvergedCreate (KSPDefaultConvergedCreate, KSPConvergedDefaultCreate) 606 PETSC_DEPRECATED("Use KSPConvergedDefaultSetUIRNorm()") PETSC_STATIC_INLINE void KSPDefaultConvergedSetUIRNorm(void) { /* never called */ } 607 #define KSPDefaultConvergedSetUIRNorm (KSPDefaultConvergedSetUIRNorm, KSPConvergedDefaultSetUIRNorm) 608 PETSC_DEPRECATED("Use KSPConvergedDefaultSetUMIRNorm()") PETSC_STATIC_INLINE void KSPDefaultConvergedSetUMIRNorm(void) { /* never called */ } 609 #define KSPDefaultConvergedSetUMIRNorm (KSPDefaultConvergedSetUMIRNorm, KSPConvergedDefaultSetUMIRNorm) 610 PETSC_DEPRECATED("Use KSPConvergedSkip()") PETSC_STATIC_INLINE void KSPSkipConverged(void) { /* never called */ } 611 #define KSPSkipConverged (KSPSkipConverged, KSPConvergedSkip) 612 613 PETSC_EXTERN PetscErrorCode KSPComputeExplicitOperator(KSP,Mat*); 614 615 /*E 616 KSPCGType - Determines what type of CG to use 617 618 Level: beginner 619 620 .seealso: KSPCGSetType() 621 E*/ 622 typedef enum {KSP_CG_SYMMETRIC=0,KSP_CG_HERMITIAN=1} KSPCGType; 623 PETSC_EXTERN const char *const KSPCGTypes[]; 624 625 PETSC_EXTERN PetscErrorCode KSPCGSetType(KSP,KSPCGType); 626 PETSC_EXTERN PetscErrorCode KSPCGUseSingleReduction(KSP,PetscBool ); 627 628 PETSC_EXTERN PetscErrorCode KSPCGSetRadius(KSP,PetscReal); 629 PETSC_EXTERN PetscErrorCode KSPCGGetNormD(KSP,PetscReal*); 630 PETSC_EXTERN PetscErrorCode KSPCGGetObjFcn(KSP,PetscReal*); 631 632 PETSC_EXTERN PetscErrorCode KSPCGGLTRGetMinEig(KSP,PetscReal*); 633 PETSC_EXTERN PetscErrorCode KSPCGGLTRGetLambda(KSP,PetscReal*); 634 635 PETSC_EXTERN PetscErrorCode KSPPythonSetType(KSP,const char[]); 636 637 PETSC_EXTERN PetscErrorCode PCPreSolve(PC,KSP); 638 PETSC_EXTERN PetscErrorCode PCPostSolve(PC,KSP); 639 640 #include <petscdrawtypes.h> 641 PETSC_EXTERN PetscErrorCode KSPMonitorLGResidualNormCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscDrawLG*); 642 PETSC_EXTERN PetscErrorCode KSPMonitorLGResidualNorm(KSP,PetscInt,PetscReal,void*); 643 PETSC_EXTERN PetscErrorCode KSPMonitorLGTrueResidualNormCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscDrawLG*); 644 PETSC_EXTERN PetscErrorCode KSPMonitorLGTrueResidualNorm(KSP,PetscInt,PetscReal,void*); 645 PETSC_EXTERN PetscErrorCode KSPMonitorLGRange(KSP,PetscInt,PetscReal,void*); 646 647 PETSC_EXTERN PetscErrorCode PCShellSetPreSolve(PC,PetscErrorCode (*)(PC,KSP,Vec,Vec)); 648 PETSC_EXTERN PetscErrorCode PCShellSetPostSolve(PC,PetscErrorCode (*)(PC,KSP,Vec,Vec)); 649 650 /*S 651 KSPGuess - Abstract PETSc object that manages all initial guess methods in Krylov methods. 652 653 Level: beginner 654 655 Concepts: Krylov methods 656 657 .seealso: KSPCreate(), KSPSetGuessType(), KSPGuessType 658 S*/ 659 typedef struct _p_KSPGuess* KSPGuess; 660 /*J 661 KSPGuessType - String with the name of a PETSc initial guess for Krylov methods. 662 663 Level: beginner 664 665 .seealso: KSPGuess 666 J*/ 667 typedef const char* KSPGuessType; 668 #define KSPGUESSFISCHER "fischer" 669 #define KSPGUESSPOD "pod" 670 PETSC_EXTERN PetscErrorCode KSPSetGuess(KSP,KSPGuess); 671 PETSC_EXTERN PetscErrorCode KSPGetGuess(KSP,KSPGuess*); 672 PETSC_EXTERN PetscErrorCode KSPGuessView(KSPGuess,PetscViewer); 673 PETSC_EXTERN PetscErrorCode KSPGuessDestroy(KSPGuess*); 674 PETSC_EXTERN PetscErrorCode KSPGuessCreate(MPI_Comm,KSPGuess*); 675 PETSC_EXTERN PetscErrorCode KSPGuessSetType(KSPGuess,KSPGuessType); 676 PETSC_EXTERN PetscErrorCode KSPGuessGetType(KSPGuess,KSPGuessType*); 677 PETSC_EXTERN PetscErrorCode KSPGuessSetUp(KSPGuess); 678 PETSC_EXTERN PetscErrorCode KSPGuessUpdate(KSPGuess,Vec,Vec); 679 PETSC_EXTERN PetscErrorCode KSPGuessFormGuess(KSPGuess,Vec,Vec); 680 PETSC_EXTERN PetscErrorCode KSPGuessSetFromOptions(KSPGuess); 681 PETSC_EXTERN PetscErrorCode KSPGuessFischerSetModel(KSPGuess,PetscInt,PetscInt); 682 PETSC_EXTERN PetscErrorCode KSPSetUseFischerGuess(KSP,PetscInt,PetscInt); 683 PETSC_EXTERN PetscErrorCode KSPSetInitialGuessKnoll(KSP,PetscBool); 684 PETSC_EXTERN PetscErrorCode KSPGetInitialGuessKnoll(KSP,PetscBool*); 685 686 /*E 687 MatSchurComplementAinvType - Determines how to approximate the inverse of the (0,0) block in Schur complement preconditioning matrix assembly routines 688 689 Level: intermediate 690 691 .seealso: MatSchurComplementGetAinvType(), MatSchurComplementSetAinvType(), MatSchurComplementGetPmat(), MatGetSchurComplement(), MatCreateSchurComplementPmat() 692 E*/ 693 typedef enum {MAT_SCHUR_COMPLEMENT_AINV_DIAG, MAT_SCHUR_COMPLEMENT_AINV_LUMP, MAT_SCHUR_COMPLEMENT_AINV_BLOCK_DIAG} MatSchurComplementAinvType; 694 PETSC_EXTERN const char *const MatSchurComplementAinvTypes[]; 695 696 PETSC_EXTERN PetscErrorCode MatCreateSchurComplement(Mat,Mat,Mat,Mat,Mat,Mat*); 697 PETSC_EXTERN PetscErrorCode MatSchurComplementGetKSP(Mat,KSP*); 698 PETSC_EXTERN PetscErrorCode MatSchurComplementSetKSP(Mat,KSP); 699 PETSC_EXTERN PetscErrorCode MatSchurComplementSetSubMatrices(Mat,Mat,Mat,Mat,Mat,Mat); 700 PETSC_EXTERN PetscErrorCode MatSchurComplementUpdateSubMatrices(Mat,Mat,Mat,Mat,Mat,Mat); 701 PETSC_EXTERN PetscErrorCode MatSchurComplementGetSubMatrices(Mat,Mat*,Mat*,Mat*,Mat*,Mat*); 702 PETSC_EXTERN PetscErrorCode MatSchurComplementSetAinvType(Mat,MatSchurComplementAinvType); 703 PETSC_EXTERN PetscErrorCode MatSchurComplementGetAinvType(Mat,MatSchurComplementAinvType*); 704 PETSC_EXTERN PetscErrorCode MatSchurComplementGetPmat(Mat,MatReuse,Mat*); 705 PETSC_EXTERN PetscErrorCode MatSchurComplementComputeExplicitOperator(Mat,Mat*); 706 PETSC_EXTERN PetscErrorCode MatGetSchurComplement(Mat,IS,IS,IS,IS,MatReuse,Mat*,MatSchurComplementAinvType,MatReuse,Mat*); 707 PETSC_EXTERN PetscErrorCode MatCreateSchurComplementPmat(Mat,Mat,Mat,Mat,MatSchurComplementAinvType,MatReuse,Mat*); 708 709 PETSC_EXTERN PetscErrorCode MatCreateLMVMDFP(MPI_Comm,PetscInt,PetscInt,Mat*); 710 PETSC_EXTERN PetscErrorCode MatCreateLMVMBFGS(MPI_Comm,PetscInt,PetscInt,Mat*); 711 PETSC_EXTERN PetscErrorCode MatCreateLMVMSR1(MPI_Comm,PetscInt,PetscInt,Mat*); 712 PETSC_EXTERN PetscErrorCode MatCreateLMVMBrdn(MPI_Comm,PetscInt,PetscInt,Mat*); 713 PETSC_EXTERN PetscErrorCode MatCreateLMVMBadBrdn(MPI_Comm,PetscInt,PetscInt,Mat*); 714 PETSC_EXTERN PetscErrorCode MatCreateLMVMSymBrdn(MPI_Comm,PetscInt,PetscInt,Mat*); 715 716 PETSC_EXTERN PetscErrorCode MatLMVMUpdate(Mat, Vec, Vec); 717 PETSC_EXTERN PetscErrorCode MatLMVMIsAllocated(Mat, PetscBool*); 718 PETSC_EXTERN PetscErrorCode MatLMVMAllocate(Mat, Vec, Vec); 719 PETSC_EXTERN PetscErrorCode MatLMVMReset(Mat, PetscBool); 720 PETSC_EXTERN PetscErrorCode MatLMVMResetShift(Mat); 721 PETSC_EXTERN PetscErrorCode MatLMVMClearJ0(Mat); 722 PETSC_EXTERN PetscErrorCode MatLMVMSetJ0(Mat, Mat); 723 PETSC_EXTERN PetscErrorCode MatLMVMSetJ0Scale(Mat, PetscReal); 724 PETSC_EXTERN PetscErrorCode MatLMVMSetJ0Diag(Mat, Vec); 725 PETSC_EXTERN PetscErrorCode MatLMVMSetJ0PC(Mat, PC); 726 PETSC_EXTERN PetscErrorCode MatLMVMSetJ0KSP(Mat, KSP); 727 PETSC_EXTERN PetscErrorCode MatLMVMApplyJ0Fwd(Mat, Vec, Vec); 728 PETSC_EXTERN PetscErrorCode MatLMVMApplyJ0Inv(Mat, Vec, Vec); 729 PETSC_EXTERN PetscErrorCode MatLMVMGetJ0(Mat, Mat*); 730 PETSC_EXTERN PetscErrorCode MatLMVMGetJ0PC(Mat, PC*); 731 PETSC_EXTERN PetscErrorCode MatLMVMGetJ0KSP(Mat, KSP*); 732 PETSC_EXTERN PetscErrorCode MatLMVMGetUpdateCount(Mat, PetscInt*); 733 PETSC_EXTERN PetscErrorCode MatLMVMGetRejectCount(Mat, PetscInt*); 734 PETSC_EXTERN PetscErrorCode MatSymBrdnSetDelta(Mat, PetscScalar); 735 736 PETSC_EXTERN PetscErrorCode KSPSetDM(KSP,DM); 737 PETSC_EXTERN PetscErrorCode KSPSetDMActive(KSP,PetscBool ); 738 PETSC_EXTERN PetscErrorCode KSPGetDM(KSP,DM*); 739 PETSC_EXTERN PetscErrorCode KSPSetApplicationContext(KSP,void*); 740 PETSC_EXTERN PetscErrorCode KSPGetApplicationContext(KSP,void*); 741 PETSC_EXTERN PetscErrorCode KSPSetComputeRHS(KSP,PetscErrorCode (*func)(KSP,Vec,void*),void*); 742 PETSC_EXTERN PetscErrorCode KSPSetComputeOperators(KSP,PetscErrorCode(*)(KSP,Mat,Mat,void*),void*); 743 PETSC_EXTERN PetscErrorCode KSPSetComputeInitialGuess(KSP,PetscErrorCode(*)(KSP,Vec,void*),void*); 744 PETSC_EXTERN PetscErrorCode DMKSPSetComputeOperators(DM,PetscErrorCode(*)(KSP,Mat,Mat,void*),void*); 745 PETSC_EXTERN PetscErrorCode DMKSPGetComputeOperators(DM,PetscErrorCode(**)(KSP,Mat,Mat,void*),void*); 746 PETSC_EXTERN PetscErrorCode DMKSPSetComputeRHS(DM,PetscErrorCode(*)(KSP,Vec,void*),void*); 747 PETSC_EXTERN PetscErrorCode DMKSPGetComputeRHS(DM,PetscErrorCode(**)(KSP,Vec,void*),void*); 748 PETSC_EXTERN PetscErrorCode DMKSPSetComputeInitialGuess(DM,PetscErrorCode(*)(KSP,Vec,void*),void*); 749 PETSC_EXTERN PetscErrorCode DMKSPGetComputeInitialGuess(DM,PetscErrorCode(**)(KSP,Vec,void*),void*); 750 751 PETSC_EXTERN PetscErrorCode DMGlobalToLocalSolve(DM,Vec,Vec); 752 PETSC_EXTERN PetscErrorCode DMProjectField(DM, PetscReal, Vec, 753 void (**)(PetscInt, PetscInt, PetscInt, 754 const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[], 755 const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[], 756 PetscReal, const PetscReal [], PetscInt, const PetscScalar[], PetscScalar []), InsertMode, Vec); 757 #endif 758