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 PETSC_EXTERN PetscErrorCode KSPCheckSolve(KSP,PC,Vec); 95 96 PETSC_EXTERN PetscFunctionList KSPList; 97 PETSC_EXTERN PetscFunctionList KSPGuessList; 98 PETSC_EXTERN PetscErrorCode KSPRegister(const char[],PetscErrorCode (*)(KSP)); 99 100 PETSC_EXTERN PetscErrorCode KSPSetPCSide(KSP,PCSide); 101 PETSC_EXTERN PetscErrorCode KSPGetPCSide(KSP,PCSide*); 102 PETSC_EXTERN PetscErrorCode KSPSetTolerances(KSP,PetscReal,PetscReal,PetscReal,PetscInt); 103 PETSC_EXTERN PetscErrorCode KSPGetTolerances(KSP,PetscReal*,PetscReal*,PetscReal*,PetscInt*); 104 PETSC_EXTERN PetscErrorCode KSPSetInitialGuessNonzero(KSP,PetscBool); 105 PETSC_EXTERN PetscErrorCode KSPGetInitialGuessNonzero(KSP,PetscBool*); 106 PETSC_EXTERN PetscErrorCode KSPSetErrorIfNotConverged(KSP,PetscBool); 107 PETSC_EXTERN PetscErrorCode KSPGetErrorIfNotConverged(KSP,PetscBool*); 108 PETSC_EXTERN PetscErrorCode KSPSetComputeEigenvalues(KSP,PetscBool); 109 PETSC_EXTERN PetscErrorCode KSPSetComputeRitz(KSP,PetscBool); 110 PETSC_EXTERN PetscErrorCode KSPGetComputeEigenvalues(KSP,PetscBool*); 111 PETSC_EXTERN PetscErrorCode KSPSetComputeSingularValues(KSP,PetscBool); 112 PETSC_EXTERN PetscErrorCode KSPGetComputeSingularValues(KSP,PetscBool*); 113 PETSC_EXTERN PetscErrorCode KSPGetRhs(KSP,Vec*); 114 PETSC_EXTERN PetscErrorCode KSPGetSolution(KSP,Vec*); 115 PETSC_EXTERN PetscErrorCode KSPGetResidualNorm(KSP,PetscReal*); 116 PETSC_EXTERN PetscErrorCode KSPGetIterationNumber(KSP,PetscInt*); 117 PETSC_EXTERN PetscErrorCode KSPGetTotalIterations(KSP,PetscInt*); 118 PETSC_EXTERN PetscErrorCode KSPCreateVecs(KSP,PetscInt,Vec**,PetscInt,Vec**); 119 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);} 120 121 PETSC_EXTERN PetscErrorCode KSPSetPreSolve(KSP,PetscErrorCode (*)(KSP,Vec,Vec,void*),void*); 122 PETSC_EXTERN PetscErrorCode KSPSetPostSolve(KSP,PetscErrorCode (*)(KSP,Vec,Vec,void*),void*); 123 124 PETSC_EXTERN PetscErrorCode KSPSetPC(KSP,PC); 125 PETSC_EXTERN PetscErrorCode KSPGetPC(KSP,PC*); 126 127 PETSC_EXTERN PetscErrorCode KSPMonitor(KSP,PetscInt,PetscReal); 128 PETSC_EXTERN PetscErrorCode KSPMonitorSet(KSP,PetscErrorCode (*)(KSP,PetscInt,PetscReal,void*),void*,PetscErrorCode (*)(void**)); 129 PETSC_EXTERN PetscErrorCode KSPMonitorCancel(KSP); 130 PETSC_EXTERN PetscErrorCode KSPGetMonitorContext(KSP,void**); 131 PETSC_EXTERN PetscErrorCode KSPGetResidualHistory(KSP,PetscReal*[],PetscInt*); 132 PETSC_EXTERN PetscErrorCode KSPSetResidualHistory(KSP,PetscReal[],PetscInt,PetscBool ); 133 134 PETSC_EXTERN PetscErrorCode KSPBuildSolutionDefault(KSP,Vec,Vec*); 135 PETSC_EXTERN PetscErrorCode KSPBuildResidualDefault(KSP,Vec,Vec,Vec*); 136 PETSC_EXTERN PetscErrorCode KSPDestroyDefault(KSP); 137 PETSC_EXTERN PetscErrorCode KSPSetWorkVecs(KSP,PetscInt); 138 139 PETSC_EXTERN PetscErrorCode PCKSPGetKSP(PC,KSP*); 140 PETSC_EXTERN PetscErrorCode PCKSPSetKSP(PC,KSP); 141 PETSC_EXTERN PetscErrorCode PCBJacobiGetSubKSP(PC,PetscInt*,PetscInt*,KSP*[]); 142 PETSC_EXTERN PetscErrorCode PCASMGetSubKSP(PC,PetscInt*,PetscInt*,KSP*[]); 143 PETSC_EXTERN PetscErrorCode PCGASMGetSubKSP(PC,PetscInt*,PetscInt*,KSP*[]); 144 PETSC_EXTERN PetscErrorCode PCFieldSplitGetSubKSP(PC,PetscInt*,KSP*[]); 145 PETSC_EXTERN PetscErrorCode PCFieldSplitSchurGetSubKSP(PC,PetscInt*,KSP*[]); 146 PETSC_EXTERN PetscErrorCode PCMGGetSmoother(PC,PetscInt,KSP*); 147 PETSC_EXTERN PetscErrorCode PCMGGetSmootherDown(PC,PetscInt,KSP*); 148 PETSC_EXTERN PetscErrorCode PCMGGetSmootherUp(PC,PetscInt,KSP*); 149 PETSC_EXTERN PetscErrorCode PCMGGetCoarseSolve(PC,KSP*); 150 PETSC_EXTERN PetscErrorCode PCGalerkinGetKSP(PC,KSP*); 151 152 PETSC_EXTERN PetscErrorCode KSPBuildSolution(KSP,Vec,Vec*); 153 PETSC_EXTERN PetscErrorCode KSPBuildResidual(KSP,Vec,Vec,Vec*); 154 155 PETSC_EXTERN PetscErrorCode KSPRichardsonSetScale(KSP,PetscReal); 156 PETSC_EXTERN PetscErrorCode KSPRichardsonSetSelfScale(KSP,PetscBool ); 157 PETSC_EXTERN PetscErrorCode KSPChebyshevSetEigenvalues(KSP,PetscReal,PetscReal); 158 PETSC_EXTERN PetscErrorCode KSPChebyshevEstEigSet(KSP,PetscReal,PetscReal,PetscReal,PetscReal); 159 PETSC_EXTERN PetscErrorCode KSPChebyshevEstEigSetUseNoisy(KSP,PetscBool); 160 PETSC_EXTERN PetscErrorCode KSPChebyshevEstEigGetKSP(KSP,KSP*); 161 PETSC_EXTERN PetscErrorCode KSPComputeExtremeSingularValues(KSP,PetscReal*,PetscReal*); 162 PETSC_EXTERN PetscErrorCode KSPComputeEigenvalues(KSP,PetscInt,PetscReal[],PetscReal[],PetscInt*); 163 PETSC_EXTERN PetscErrorCode KSPComputeEigenvaluesExplicitly(KSP,PetscInt,PetscReal[],PetscReal[]); 164 PETSC_EXTERN PetscErrorCode KSPComputeRitz(KSP,PetscBool,PetscBool,PetscInt*,Vec[],PetscReal[],PetscReal[]); 165 166 /*E 167 168 KSPFCDTruncationType - Define how stored directions are used to orthogonalize in flexible conjugate directions (FCD) methods 169 170 KSP_FCD_TRUNC_TYPE_STANDARD uses all (up to mmax) stored directions 171 KSP_FCD_TRUNC_TYPE_NOTAY uses the last max(1,mod(i,mmax)) stored directions at iteration i=0,1.. 172 173 Level: intermediate 174 .seealso : KSPFCG,KSPPIPEFCG,KSPPIPEGCR,KSPFCGSetTruncationType(),KSPFCGGetTruncationType() 175 176 E*/ 177 typedef enum {KSP_FCD_TRUNC_TYPE_STANDARD,KSP_FCD_TRUNC_TYPE_NOTAY} KSPFCDTruncationType; 178 PETSC_EXTERN const char *const KSPFCDTruncationTypes[]; 179 180 PETSC_EXTERN PetscErrorCode KSPFCGSetMmax(KSP,PetscInt); 181 PETSC_EXTERN PetscErrorCode KSPFCGGetMmax(KSP,PetscInt*); 182 PETSC_EXTERN PetscErrorCode KSPFCGSetNprealloc(KSP,PetscInt); 183 PETSC_EXTERN PetscErrorCode KSPFCGGetNprealloc(KSP,PetscInt*); 184 PETSC_EXTERN PetscErrorCode KSPFCGSetTruncationType(KSP,KSPFCDTruncationType); 185 PETSC_EXTERN PetscErrorCode KSPFCGGetTruncationType(KSP,KSPFCDTruncationType*); 186 187 PETSC_EXTERN PetscErrorCode KSPPIPEFCGSetMmax(KSP,PetscInt); 188 PETSC_EXTERN PetscErrorCode KSPPIPEFCGGetMmax(KSP,PetscInt*); 189 PETSC_EXTERN PetscErrorCode KSPPIPEFCGSetNprealloc(KSP,PetscInt); 190 PETSC_EXTERN PetscErrorCode KSPPIPEFCGGetNprealloc(KSP,PetscInt*); 191 PETSC_EXTERN PetscErrorCode KSPPIPEFCGSetTruncationType(KSP,KSPFCDTruncationType); 192 PETSC_EXTERN PetscErrorCode KSPPIPEFCGGetTruncationType(KSP,KSPFCDTruncationType*); 193 194 PETSC_EXTERN PetscErrorCode KSPPIPEGCRSetMmax(KSP,PetscInt); 195 PETSC_EXTERN PetscErrorCode KSPPIPEGCRGetMmax(KSP,PetscInt*); 196 PETSC_EXTERN PetscErrorCode KSPPIPEGCRSetNprealloc(KSP,PetscInt); 197 PETSC_EXTERN PetscErrorCode KSPPIPEGCRGetNprealloc(KSP,PetscInt*); 198 PETSC_EXTERN PetscErrorCode KSPPIPEGCRSetTruncationType(KSP,KSPFCDTruncationType); 199 PETSC_EXTERN PetscErrorCode KSPPIPEGCRGetTruncationType(KSP,KSPFCDTruncationType*); 200 PETSC_EXTERN PetscErrorCode KSPPIPEGCRSetUnrollW(KSP,PetscBool); 201 PETSC_EXTERN PetscErrorCode KSPPIPEGCRGetUnrollW(KSP,PetscBool*); 202 203 PETSC_EXTERN PetscErrorCode KSPGMRESSetRestart(KSP, PetscInt); 204 PETSC_EXTERN PetscErrorCode KSPGMRESGetRestart(KSP, PetscInt*); 205 PETSC_EXTERN PetscErrorCode KSPGMRESSetHapTol(KSP,PetscReal); 206 207 PETSC_EXTERN PetscErrorCode KSPGMRESSetPreAllocateVectors(KSP); 208 PETSC_EXTERN PetscErrorCode KSPGMRESSetOrthogonalization(KSP,PetscErrorCode (*)(KSP,PetscInt)); 209 PETSC_EXTERN PetscErrorCode KSPGMRESGetOrthogonalization(KSP,PetscErrorCode (**)(KSP,PetscInt)); 210 PETSC_EXTERN PetscErrorCode KSPGMRESModifiedGramSchmidtOrthogonalization(KSP,PetscInt); 211 PETSC_EXTERN PetscErrorCode KSPGMRESClassicalGramSchmidtOrthogonalization(KSP,PetscInt); 212 213 PETSC_EXTERN PetscErrorCode KSPLGMRESSetAugDim(KSP,PetscInt); 214 PETSC_EXTERN PetscErrorCode KSPLGMRESSetConstant(KSP); 215 216 PETSC_EXTERN PetscErrorCode KSPPIPEFGMRESSetShift(KSP,PetscScalar); 217 218 PETSC_EXTERN PetscErrorCode KSPGCRSetRestart(KSP,PetscInt); 219 PETSC_EXTERN PetscErrorCode KSPGCRGetRestart(KSP,PetscInt*); 220 PETSC_EXTERN PetscErrorCode KSPGCRSetModifyPC(KSP,PetscErrorCode (*)(KSP,PetscInt,PetscReal,void*),void*,PetscErrorCode(*)(void*)); 221 222 PETSC_EXTERN PetscErrorCode KSPFETIDPGetInnerBDDC(KSP,PC*); 223 PETSC_EXTERN PetscErrorCode KSPFETIDPSetInnerBDDC(KSP,PC); 224 PETSC_EXTERN PetscErrorCode KSPFETIDPGetInnerKSP(KSP,KSP*); 225 PETSC_EXTERN PetscErrorCode KSPFETIDPSetPressureOperator(KSP,Mat); 226 /*E 227 KSPGMRESCGSRefinementType - How the classical (unmodified) Gram-Schmidt is performed. 228 229 Level: advanced 230 231 .seealso: KSPGMRESClassicalGramSchmidtOrthogonalization(), KSPGMRESSetOrthogonalization(), KSPGMRESGetOrthogonalization(), 232 KSPGMRESSetCGSRefinementType(), KSPGMRESGetCGSRefinementType(), KSPGMRESModifiedGramSchmidtOrthogonalization() 233 234 E*/ 235 typedef enum {KSP_GMRES_CGS_REFINE_NEVER, KSP_GMRES_CGS_REFINE_IFNEEDED, KSP_GMRES_CGS_REFINE_ALWAYS} KSPGMRESCGSRefinementType; 236 PETSC_EXTERN const char *const KSPGMRESCGSRefinementTypes[]; 237 /*MC 238 KSP_GMRES_CGS_REFINE_NEVER - Do the classical (unmodified) Gram-Schmidt process 239 240 Level: advanced 241 242 Note: Possible unstable, but the fastest to compute 243 244 .seealso: KSPGMRESClassicalGramSchmidtOrthogonalization(), KSPGMRESSetOrthogonalization(), KSPGMRESGetOrthogonalization(), 245 KSPGMRESSetCGSRefinementType(), KSPGMRESGetCGSRefinementType(), KSP_GMRES_CGS_REFINE_IFNEEDED, KSP_GMRES_CGS_REFINE_ALWAYS, 246 KSPGMRESModifiedGramSchmidtOrthogonalization() 247 M*/ 248 249 /*MC 250 KSP_GMRES_CGS_REFINE_IFNEEDED - Do the classical (unmodified) Gram-Schmidt process and one step of 251 iterative refinement if an estimate of the orthogonality of the resulting vectors indicates 252 poor orthogonality. 253 254 Level: advanced 255 256 Note: This is slower than KSP_GMRES_CGS_REFINE_NEVER because it requires an extra norm computation to 257 estimate the orthogonality but is more stable. 258 259 .seealso: KSPGMRESClassicalGramSchmidtOrthogonalization(), KSPGMRESSetOrthogonalization(), KSPGMRESGetOrthogonalization(), 260 KSPGMRESSetCGSRefinementType(), KSPGMRESGetCGSRefinementType(), KSP_GMRES_CGS_REFINE_NEVER, KSP_GMRES_CGS_REFINE_ALWAYS, 261 KSPGMRESModifiedGramSchmidtOrthogonalization() 262 M*/ 263 264 /*MC 265 KSP_GMRES_CGS_REFINE_NEVER - Do two steps of the classical (unmodified) Gram-Schmidt process. 266 267 Level: advanced 268 269 Note: This is roughly twice the cost of KSP_GMRES_CGS_REFINE_NEVER because it performs the process twice 270 but it saves the extra norm calculation needed by KSP_GMRES_CGS_REFINE_IFNEEDED. 271 272 You should only use this if you absolutely know that the iterative refinement is needed. 273 274 .seealso: KSPGMRESClassicalGramSchmidtOrthogonalization(), KSPGMRESSetOrthogonalization(), KSPGMRESGetOrthogonalization(), 275 KSPGMRESSetCGSRefinementType(), KSPGMRESGetCGSRefinementType(), KSP_GMRES_CGS_REFINE_IFNEEDED, KSP_GMRES_CGS_REFINE_ALWAYS, 276 KSPGMRESModifiedGramSchmidtOrthogonalization() 277 M*/ 278 279 PETSC_EXTERN PetscErrorCode KSPGMRESSetCGSRefinementType(KSP,KSPGMRESCGSRefinementType); 280 PETSC_EXTERN PetscErrorCode KSPGMRESGetCGSRefinementType(KSP,KSPGMRESCGSRefinementType*); 281 282 PETSC_EXTERN PetscErrorCode KSPFGMRESModifyPCNoChange(KSP,PetscInt,PetscInt,PetscReal,void*); 283 PETSC_EXTERN PetscErrorCode KSPFGMRESModifyPCKSP(KSP,PetscInt,PetscInt,PetscReal,void*); 284 PETSC_EXTERN PetscErrorCode KSPFGMRESSetModifyPC(KSP,PetscErrorCode (*)(KSP,PetscInt,PetscInt,PetscReal,void*),void*,PetscErrorCode(*)(void*)); 285 286 PETSC_EXTERN PetscErrorCode KSPQCGSetTrustRegionRadius(KSP,PetscReal); 287 PETSC_EXTERN PetscErrorCode KSPQCGGetQuadratic(KSP,PetscReal*); 288 PETSC_EXTERN PetscErrorCode KSPQCGGetTrialStepNorm(KSP,PetscReal*); 289 290 PETSC_EXTERN PetscErrorCode KSPBCGSLSetXRes(KSP,PetscReal); 291 PETSC_EXTERN PetscErrorCode KSPBCGSLSetPol(KSP,PetscBool ); 292 PETSC_EXTERN PetscErrorCode KSPBCGSLSetEll(KSP,PetscInt); 293 PETSC_EXTERN PetscErrorCode KSPBCGSLSetUsePseudoinverse(KSP,PetscBool); 294 295 PETSC_EXTERN PetscErrorCode KSPSetFromOptions(KSP); 296 PETSC_EXTERN PetscErrorCode KSPResetFromOptions(KSP); 297 PETSC_EXTERN PetscErrorCode KSPAddOptionsChecker(PetscErrorCode (*)(KSP)); 298 299 PETSC_EXTERN PetscErrorCode KSPMonitorSingularValue(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 300 PETSC_EXTERN PetscErrorCode KSPMonitorDefault(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 301 PETSC_EXTERN PetscErrorCode KSPLSQRMonitorDefault(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 302 PETSC_EXTERN PetscErrorCode KSPMonitorRange(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 303 PETSC_EXTERN PetscErrorCode KSPMonitorDynamicTolerance(KSP ksp,PetscInt its,PetscReal fnorm,void *dummy); 304 PETSC_EXTERN PetscErrorCode KSPMonitorDynamicToleranceDestroy(void **dummy); 305 PETSC_EXTERN PetscErrorCode KSPMonitorTrueResidualNorm(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 306 PETSC_EXTERN PetscErrorCode KSPMonitorTrueResidualMaxNorm(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 307 PETSC_EXTERN PetscErrorCode KSPMonitorDefaultShort(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 308 PETSC_EXTERN PetscErrorCode KSPMonitorSolution(KSP,PetscInt,PetscReal,PetscViewerAndFormat*); 309 PETSC_EXTERN PetscErrorCode KSPMonitorSAWs(KSP,PetscInt,PetscReal,void*); 310 PETSC_EXTERN PetscErrorCode KSPMonitorSAWsCreate(KSP,void**); 311 PETSC_EXTERN PetscErrorCode KSPMonitorSAWsDestroy(void**); 312 PETSC_EXTERN PetscErrorCode KSPGMRESMonitorKrylov(KSP,PetscInt,PetscReal,void*); 313 PETSC_EXTERN PetscErrorCode KSPMonitorSetFromOptions(KSP,const char[],const char[],const char [],PetscErrorCode (*)(KSP,PetscInt,PetscReal,PetscViewerAndFormat*)); 314 315 PETSC_EXTERN PetscErrorCode KSPUnwindPreconditioner(KSP,Vec,Vec); 316 PETSC_EXTERN PetscErrorCode KSPInitialResidual(KSP,Vec,Vec,Vec,Vec,Vec); 317 318 PETSC_EXTERN PetscErrorCode KSPSetOperators(KSP,Mat,Mat); 319 PETSC_EXTERN PetscErrorCode KSPGetOperators(KSP,Mat*,Mat*); 320 PETSC_EXTERN PetscErrorCode KSPGetOperatorsSet(KSP,PetscBool*,PetscBool*); 321 PETSC_EXTERN PetscErrorCode KSPSetOptionsPrefix(KSP,const char[]); 322 PETSC_EXTERN PetscErrorCode KSPAppendOptionsPrefix(KSP,const char[]); 323 PETSC_EXTERN PetscErrorCode KSPGetOptionsPrefix(KSP,const char*[]); 324 PETSC_EXTERN PetscErrorCode KSPSetTabLevel(KSP,PetscInt); 325 PETSC_EXTERN PetscErrorCode KSPGetTabLevel(KSP,PetscInt*); 326 327 PETSC_EXTERN PetscErrorCode KSPSetDiagonalScale(KSP,PetscBool ); 328 PETSC_EXTERN PetscErrorCode KSPGetDiagonalScale(KSP,PetscBool*); 329 PETSC_EXTERN PetscErrorCode KSPSetDiagonalScaleFix(KSP,PetscBool ); 330 PETSC_EXTERN PetscErrorCode KSPGetDiagonalScaleFix(KSP,PetscBool*); 331 332 PETSC_EXTERN PetscErrorCode KSPView(KSP,PetscViewer); 333 PETSC_EXTERN PetscErrorCode KSPLoad(KSP,PetscViewer); 334 PETSC_STATIC_INLINE PetscErrorCode KSPViewFromOptions(KSP A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);} 335 PETSC_EXTERN PetscErrorCode KSPReasonView(KSP,PetscViewer); 336 PETSC_EXTERN PetscErrorCode KSPReasonViewFromOptions(KSP); 337 338 #define KSP_FILE_CLASSID 1211223 339 340 PETSC_EXTERN PetscErrorCode KSPLSQRSetExactMatNorm(KSP,PetscBool); 341 PETSC_EXTERN PetscErrorCode KSPLSQRSetComputeStandardErrorVec(KSP,PetscBool); 342 PETSC_EXTERN PetscErrorCode KSPLSQRGetStandardErrorVec(KSP,Vec*); 343 PETSC_EXTERN PetscErrorCode KSPLSQRGetNorms(KSP,PetscReal*,PetscReal*); 344 345 PETSC_EXTERN PetscErrorCode PCRedundantGetKSP(PC,KSP*); 346 PETSC_EXTERN PetscErrorCode PCRedistributeGetKSP(PC,KSP*); 347 PETSC_EXTERN PetscErrorCode PCTelescopeGetKSP(PC,KSP*); 348 349 /*E 350 KSPNormType - Norm that is passed in the Krylov convergence 351 test routines. 352 353 Level: advanced 354 355 Each solver only supports a subset of these and some may support different ones 356 depending on left or right preconditioning, see KSPSetPCSide() 357 358 Notes: 359 this must match petsc/finclude/petscksp.h 360 361 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPSetNormType(), 362 KSPSetConvergenceTest(), KSPSetPCSide() 363 E*/ 364 typedef enum {KSP_NORM_DEFAULT = -1,KSP_NORM_NONE = 0,KSP_NORM_PRECONDITIONED = 1,KSP_NORM_UNPRECONDITIONED = 2,KSP_NORM_NATURAL = 3} KSPNormType; 365 #define KSP_NORM_MAX (KSP_NORM_NATURAL + 1) 366 PETSC_EXTERN const char *const*const KSPNormTypes; 367 368 /*MC 369 KSP_NORM_NONE - Do not compute a norm during the Krylov process. This will 370 possibly save some computation but means the convergence test cannot 371 be based on a norm of a residual etc. 372 373 Level: advanced 374 375 Note: Some Krylov methods need to compute a residual norm (such as GMRES) and then this option is ignored 376 377 .seealso: KSPNormType, KSPSetNormType(), KSP_NORM_PRECONDITIONED, KSP_NORM_UNPRECONDITIONED, KSP_NORM_NATURAL 378 M*/ 379 380 /*MC 381 KSP_NORM_PRECONDITIONED - Compute the norm of the preconditioned residual B*(b - A*x), if left preconditioning, and pass that to the 382 convergence test routine. 383 384 Level: advanced 385 386 .seealso: KSPNormType, KSPSetNormType(), KSP_NORM_NONE, KSP_NORM_UNPRECONDITIONED, KSP_NORM_NATURAL, KSPSetConvergenceTest() 387 M*/ 388 389 /*MC 390 KSP_NORM_UNPRECONDITIONED - Compute the norm of the true residual (b - A*x) and pass that to the 391 convergence test routine. 392 393 Level: advanced 394 395 .seealso: KSPNormType, KSPSetNormType(), KSP_NORM_NONE, KSP_NORM_PRECONDITIONED, KSP_NORM_NATURAL, KSPSetConvergenceTest() 396 M*/ 397 398 /*MC 399 KSP_NORM_NATURAL - Compute the 'natural norm' of residual sqrt((b - A*x)*B*(b - A*x)) and pass that to the 400 convergence test routine. This is only supported by KSPCG, KSPCR, KSPCGNE, KSPCGS, KSPFCG, KSPPIPEFCG, KSPPIPEGCR 401 402 Level: advanced 403 404 .seealso: KSPNormType, KSPSetNormType(), KSP_NORM_NONE, KSP_NORM_PRECONDITIONED, KSP_NORM_UNPRECONDITIONED, KSPSetConvergenceTest() 405 M*/ 406 407 PETSC_EXTERN PetscErrorCode KSPSetNormType(KSP,KSPNormType); 408 PETSC_EXTERN PetscErrorCode KSPGetNormType(KSP,KSPNormType*); 409 PETSC_EXTERN PetscErrorCode KSPSetSupportedNorm(KSP ksp,KSPNormType,PCSide,PetscInt); 410 PETSC_EXTERN PetscErrorCode KSPSetCheckNormIteration(KSP,PetscInt); 411 PETSC_EXTERN PetscErrorCode KSPSetLagNorm(KSP,PetscBool); 412 413 /*E 414 KSPConvergedReason - reason a Krylov method was said to have converged or diverged 415 416 Level: beginner 417 418 Notes: 419 See KSPGetConvergedReason() for explanation of each value 420 421 Developer Notes: 422 this must match petsc/finclude/petscksp.h 423 424 The string versions of these are KSPConvergedReasons; if you change 425 any of the values here also change them that array of names. 426 427 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPSetTolerances() 428 E*/ 429 typedef enum {/* converged */ 430 KSP_CONVERGED_RTOL_NORMAL = 1, 431 KSP_CONVERGED_ATOL_NORMAL = 9, 432 KSP_CONVERGED_RTOL = 2, 433 KSP_CONVERGED_ATOL = 3, 434 KSP_CONVERGED_ITS = 4, 435 KSP_CONVERGED_CG_NEG_CURVE = 5, 436 KSP_CONVERGED_CG_CONSTRAINED = 6, 437 KSP_CONVERGED_STEP_LENGTH = 7, 438 KSP_CONVERGED_HAPPY_BREAKDOWN = 8, 439 /* diverged */ 440 KSP_DIVERGED_NULL = -2, 441 KSP_DIVERGED_ITS = -3, 442 KSP_DIVERGED_DTOL = -4, 443 KSP_DIVERGED_BREAKDOWN = -5, 444 KSP_DIVERGED_BREAKDOWN_BICG = -6, 445 KSP_DIVERGED_NONSYMMETRIC = -7, 446 KSP_DIVERGED_INDEFINITE_PC = -8, 447 KSP_DIVERGED_NANORINF = -9, 448 KSP_DIVERGED_INDEFINITE_MAT = -10, 449 KSP_DIVERGED_PC_FAILED = -11, 450 451 KSP_CONVERGED_ITERATING = 0} KSPConvergedReason; 452 PETSC_EXTERN const char *const*KSPConvergedReasons; 453 454 /*MC 455 KSP_CONVERGED_RTOL - norm(r) <= rtol*norm(b) or rtol*norm(b - A*x_0) if KSPConvergedDefaultSetUIRNorm() was called 456 457 Level: beginner 458 459 See KSPNormType and KSPSetNormType() for possible norms that may be used. By default 460 for left preconditioning it is the 2-norm of the preconditioned residual, and the 461 2-norm of the residual for right preconditioning 462 463 See also KSP_CONVERGED_ATOL which may apply before this tolerance. 464 465 .seealso: KSP_CONVERGED_ATOL, KSP_DIVERGED_DTOL, KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 466 467 M*/ 468 469 /*MC 470 KSP_CONVERGED_ATOL - norm(r) <= atol 471 472 Level: beginner 473 474 See KSPNormType and KSPSetNormType() for possible norms that may be used. By default 475 for left preconditioning it is the 2-norm of the preconditioned residual, and the 476 2-norm of the residual for right preconditioning 477 478 See also KSP_CONVERGED_RTOL which may apply before this tolerance. 479 480 .seealso: KSP_CONVERGED_RTOL, KSP_DIVERGED_DTOL, KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 481 482 M*/ 483 484 /*MC 485 KSP_DIVERGED_DTOL - norm(r) >= dtol*norm(b) 486 487 Level: beginner 488 489 See KSPNormType and KSPSetNormType() for possible norms that may be used. By default 490 for left preconditioning it is the 2-norm of the preconditioned residual, and the 491 2-norm of the residual for right preconditioning 492 493 Level: beginner 494 495 .seealso: KSP_CONVERGED_ATOL, KSP_DIVERGED_RTOL, KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 496 497 M*/ 498 499 /*MC 500 KSP_DIVERGED_ITS - Ran out of iterations before any convergence criteria was 501 reached 502 503 Level: beginner 504 505 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 506 507 M*/ 508 509 /*MC 510 KSP_CONVERGED_ITS - Used by the KSPPREONLY solver after the single iteration of 511 the preconditioner is applied. Also used when the KSPConvergedSkip() convergence 512 test routine is set in KSP. 513 514 Level: beginner 515 516 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 517 518 M*/ 519 520 /*MC 521 KSP_DIVERGED_BREAKDOWN - A breakdown in the Krylov method was detected so the 522 method could not continue to enlarge the Krylov space. Could be due to a singlular matrix or 523 preconditioner. 524 525 Level: beginner 526 527 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 528 529 M*/ 530 531 /*MC 532 KSP_DIVERGED_BREAKDOWN_BICG - A breakdown in the KSPBICG method was detected so the 533 method could not continue to enlarge the Krylov space. 534 535 Level: beginner 536 537 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 538 539 M*/ 540 541 /*MC 542 KSP_DIVERGED_NONSYMMETRIC - It appears the operator or preconditioner is not 543 symmetric and this Krylov method (KSPCG, KSPMINRES, KSPCR) requires symmetry 544 545 Level: beginner 546 547 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 548 549 M*/ 550 551 /*MC 552 KSP_DIVERGED_INDEFINITE_PC - It appears the preconditioner is indefinite (has both 553 positive and negative eigenvalues) and this Krylov method (KSPCG) requires it to 554 be positive definite 555 556 Level: beginner 557 558 Notes: 559 This can happen with the PCICC preconditioner, use -pc_factor_shift_positive_definite to force 560 the PCICC preconditioner to generate a positive definite preconditioner 561 562 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 563 564 M*/ 565 566 /*MC 567 KSP_DIVERGED_PC_FAILED - It was not possible to build or use the requested preconditioner. This is usually due to a 568 zero pivot in a factorization. It can also result from a failure in a subpreconditioner inside a nested preconditioner 569 such as PCFIELDSPLIT. 570 571 Level: beginner 572 573 Notes: 574 Run with -ksp_error_if_not_converged to stop the program when the error is detected and print an error message with details. 575 576 577 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 578 579 M*/ 580 581 /*MC 582 KSP_CONVERGED_ITERATING - This flag is returned if you call KSPGetConvergedReason() 583 while the KSPSolve() is still running. 584 585 Level: beginner 586 587 .seealso: KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances() 588 589 M*/ 590 591 PETSC_EXTERN PetscErrorCode KSPSetConvergenceTest(KSP,PetscErrorCode (*)(KSP,PetscInt,PetscReal,KSPConvergedReason*,void*),void*,PetscErrorCode (*)(void*)); 592 PETSC_EXTERN PetscErrorCode KSPGetConvergenceContext(KSP,void**); 593 PETSC_EXTERN PetscErrorCode KSPConvergedDefault(KSP,PetscInt,PetscReal,KSPConvergedReason*,void*); 594 PETSC_EXTERN PetscErrorCode KSPLSQRConvergedDefault(KSP,PetscInt,PetscReal,KSPConvergedReason*,void*); 595 PETSC_EXTERN PetscErrorCode KSPConvergedDefaultDestroy(void*); 596 PETSC_EXTERN PetscErrorCode KSPConvergedDefaultCreate(void**); 597 PETSC_EXTERN PetscErrorCode KSPConvergedDefaultSetUIRNorm(KSP); 598 PETSC_EXTERN PetscErrorCode KSPConvergedDefaultSetUMIRNorm(KSP); 599 PETSC_EXTERN PetscErrorCode KSPConvergedSkip(KSP,PetscInt,PetscReal,KSPConvergedReason*,void*); 600 PETSC_EXTERN PetscErrorCode KSPGetConvergedReason(KSP,KSPConvergedReason*); 601 602 PETSC_DEPRECATED("Use KSPConvergedDefault()") PETSC_STATIC_INLINE void KSPDefaultConverged(void) { /* never called */ } 603 #define KSPDefaultConverged (KSPDefaultConverged, KSPConvergedDefault) 604 PETSC_DEPRECATED("Use KSPConvergedDefaultDestroy()") PETSC_STATIC_INLINE void KSPDefaultConvergedDestroy(void) { /* never called */ } 605 #define KSPDefaultConvergedDestroy (KSPDefaultConvergedDestroy, KSPConvergedDefaultDestroy) 606 PETSC_DEPRECATED("Use KSPConvergedDefaultCreate()") PETSC_STATIC_INLINE void KSPDefaultConvergedCreate(void) { /* never called */ } 607 #define KSPDefaultConvergedCreate (KSPDefaultConvergedCreate, KSPConvergedDefaultCreate) 608 PETSC_DEPRECATED("Use KSPConvergedDefaultSetUIRNorm()") PETSC_STATIC_INLINE void KSPDefaultConvergedSetUIRNorm(void) { /* never called */ } 609 #define KSPDefaultConvergedSetUIRNorm (KSPDefaultConvergedSetUIRNorm, KSPConvergedDefaultSetUIRNorm) 610 PETSC_DEPRECATED("Use KSPConvergedDefaultSetUMIRNorm()") PETSC_STATIC_INLINE void KSPDefaultConvergedSetUMIRNorm(void) { /* never called */ } 611 #define KSPDefaultConvergedSetUMIRNorm (KSPDefaultConvergedSetUMIRNorm, KSPConvergedDefaultSetUMIRNorm) 612 PETSC_DEPRECATED("Use KSPConvergedSkip()") PETSC_STATIC_INLINE void KSPSkipConverged(void) { /* never called */ } 613 #define KSPSkipConverged (KSPSkipConverged, KSPConvergedSkip) 614 615 PETSC_EXTERN PetscErrorCode KSPComputeExplicitOperator(KSP,Mat*); 616 617 /*E 618 KSPCGType - Determines what type of CG to use 619 620 Level: beginner 621 622 .seealso: KSPCGSetType() 623 E*/ 624 typedef enum {KSP_CG_SYMMETRIC=0,KSP_CG_HERMITIAN=1} KSPCGType; 625 PETSC_EXTERN const char *const KSPCGTypes[]; 626 627 PETSC_EXTERN PetscErrorCode KSPCGSetType(KSP,KSPCGType); 628 PETSC_EXTERN PetscErrorCode KSPCGUseSingleReduction(KSP,PetscBool ); 629 630 PETSC_EXTERN PetscErrorCode KSPCGSetRadius(KSP,PetscReal); 631 PETSC_EXTERN PetscErrorCode KSPCGGetNormD(KSP,PetscReal*); 632 PETSC_EXTERN PetscErrorCode KSPCGGetObjFcn(KSP,PetscReal*); 633 634 PETSC_EXTERN PetscErrorCode KSPCGGLTRGetMinEig(KSP,PetscReal*); 635 PETSC_EXTERN PetscErrorCode KSPCGGLTRGetLambda(KSP,PetscReal*); 636 637 PETSC_EXTERN PetscErrorCode KSPPythonSetType(KSP,const char[]); 638 639 PETSC_EXTERN PetscErrorCode PCPreSolve(PC,KSP); 640 PETSC_EXTERN PetscErrorCode PCPostSolve(PC,KSP); 641 642 #include <petscdrawtypes.h> 643 PETSC_EXTERN PetscErrorCode KSPMonitorLGResidualNormCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscDrawLG*); 644 PETSC_EXTERN PetscErrorCode KSPMonitorLGResidualNorm(KSP,PetscInt,PetscReal,void*); 645 PETSC_EXTERN PetscErrorCode KSPMonitorLGTrueResidualNormCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscDrawLG*); 646 PETSC_EXTERN PetscErrorCode KSPMonitorLGTrueResidualNorm(KSP,PetscInt,PetscReal,void*); 647 PETSC_EXTERN PetscErrorCode KSPMonitorLGRange(KSP,PetscInt,PetscReal,void*); 648 649 PETSC_EXTERN PetscErrorCode PCShellSetPreSolve(PC,PetscErrorCode (*)(PC,KSP,Vec,Vec)); 650 PETSC_EXTERN PetscErrorCode PCShellSetPostSolve(PC,PetscErrorCode (*)(PC,KSP,Vec,Vec)); 651 652 /*S 653 KSPGuess - Abstract PETSc object that manages all initial guess methods in Krylov methods. 654 655 Level: beginner 656 657 Concepts: Krylov methods 658 659 .seealso: KSPCreate(), KSPSetGuessType(), KSPGuessType 660 S*/ 661 typedef struct _p_KSPGuess* KSPGuess; 662 /*J 663 KSPGuessType - String with the name of a PETSc initial guess for Krylov methods. 664 665 Level: beginner 666 667 .seealso: KSPGuess 668 J*/ 669 typedef const char* KSPGuessType; 670 #define KSPGUESSFISCHER "fischer" 671 #define KSPGUESSPOD "pod" 672 PETSC_EXTERN PetscErrorCode KSPGuessRegister(const char[],PetscErrorCode (*)(KSPGuess)); 673 PETSC_EXTERN PetscErrorCode KSPSetGuess(KSP,KSPGuess); 674 PETSC_EXTERN PetscErrorCode KSPGetGuess(KSP,KSPGuess*); 675 PETSC_EXTERN PetscErrorCode KSPGuessView(KSPGuess,PetscViewer); 676 PETSC_EXTERN PetscErrorCode KSPGuessDestroy(KSPGuess*); 677 PETSC_EXTERN PetscErrorCode KSPGuessCreate(MPI_Comm,KSPGuess*); 678 PETSC_EXTERN PetscErrorCode KSPGuessSetType(KSPGuess,KSPGuessType); 679 PETSC_EXTERN PetscErrorCode KSPGuessGetType(KSPGuess,KSPGuessType*); 680 PETSC_EXTERN PetscErrorCode KSPGuessSetUp(KSPGuess); 681 PETSC_EXTERN PetscErrorCode KSPGuessUpdate(KSPGuess,Vec,Vec); 682 PETSC_EXTERN PetscErrorCode KSPGuessFormGuess(KSPGuess,Vec,Vec); 683 PETSC_EXTERN PetscErrorCode KSPGuessSetFromOptions(KSPGuess); 684 PETSC_EXTERN PetscErrorCode KSPGuessFischerSetModel(KSPGuess,PetscInt,PetscInt); 685 PETSC_EXTERN PetscErrorCode KSPSetUseFischerGuess(KSP,PetscInt,PetscInt); 686 PETSC_EXTERN PetscErrorCode KSPSetInitialGuessKnoll(KSP,PetscBool); 687 PETSC_EXTERN PetscErrorCode KSPGetInitialGuessKnoll(KSP,PetscBool*); 688 689 /*E 690 MatSchurComplementAinvType - Determines how to approximate the inverse of the (0,0) block in Schur complement preconditioning matrix assembly routines 691 692 Level: intermediate 693 694 .seealso: MatSchurComplementGetAinvType(), MatSchurComplementSetAinvType(), MatSchurComplementGetPmat(), MatGetSchurComplement(), MatCreateSchurComplementPmat() 695 E*/ 696 typedef enum {MAT_SCHUR_COMPLEMENT_AINV_DIAG, MAT_SCHUR_COMPLEMENT_AINV_LUMP, MAT_SCHUR_COMPLEMENT_AINV_BLOCK_DIAG} MatSchurComplementAinvType; 697 PETSC_EXTERN const char *const MatSchurComplementAinvTypes[]; 698 699 PETSC_EXTERN PetscErrorCode MatCreateSchurComplement(Mat,Mat,Mat,Mat,Mat,Mat*); 700 PETSC_EXTERN PetscErrorCode MatSchurComplementGetKSP(Mat,KSP*); 701 PETSC_EXTERN PetscErrorCode MatSchurComplementSetKSP(Mat,KSP); 702 PETSC_EXTERN PetscErrorCode MatSchurComplementSetSubMatrices(Mat,Mat,Mat,Mat,Mat,Mat); 703 PETSC_EXTERN PetscErrorCode MatSchurComplementUpdateSubMatrices(Mat,Mat,Mat,Mat,Mat,Mat); 704 PETSC_EXTERN PetscErrorCode MatSchurComplementGetSubMatrices(Mat,Mat*,Mat*,Mat*,Mat*,Mat*); 705 PETSC_EXTERN PetscErrorCode MatSchurComplementSetAinvType(Mat,MatSchurComplementAinvType); 706 PETSC_EXTERN PetscErrorCode MatSchurComplementGetAinvType(Mat,MatSchurComplementAinvType*); 707 PETSC_EXTERN PetscErrorCode MatSchurComplementGetPmat(Mat,MatReuse,Mat*); 708 PETSC_EXTERN PetscErrorCode MatSchurComplementComputeExplicitOperator(Mat,Mat*); 709 PETSC_EXTERN PetscErrorCode MatGetSchurComplement(Mat,IS,IS,IS,IS,MatReuse,Mat*,MatSchurComplementAinvType,MatReuse,Mat*); 710 PETSC_EXTERN PetscErrorCode MatCreateSchurComplementPmat(Mat,Mat,Mat,Mat,MatSchurComplementAinvType,MatReuse,Mat*); 711 712 PETSC_EXTERN PetscErrorCode MatCreateLMVMDFP(MPI_Comm,PetscInt,PetscInt,Mat*); 713 PETSC_EXTERN PetscErrorCode MatCreateLMVMBFGS(MPI_Comm,PetscInt,PetscInt,Mat*); 714 PETSC_EXTERN PetscErrorCode MatCreateLMVMSR1(MPI_Comm,PetscInt,PetscInt,Mat*); 715 PETSC_EXTERN PetscErrorCode MatCreateLMVMBrdn(MPI_Comm,PetscInt,PetscInt,Mat*); 716 PETSC_EXTERN PetscErrorCode MatCreateLMVMBadBrdn(MPI_Comm,PetscInt,PetscInt,Mat*); 717 PETSC_EXTERN PetscErrorCode MatCreateLMVMSymBrdn(MPI_Comm,PetscInt,PetscInt,Mat*); 718 PETSC_EXTERN PetscErrorCode MatCreateLMVMSymBadBrdn(MPI_Comm,PetscInt,PetscInt,Mat*); 719 PETSC_EXTERN PetscErrorCode MatCreateLMVMDiagBrdn(MPI_Comm,PetscInt,PetscInt,Mat*); 720 721 PETSC_EXTERN PetscErrorCode MatLMVMUpdate(Mat, Vec, Vec); 722 PETSC_EXTERN PetscErrorCode MatLMVMIsAllocated(Mat, PetscBool*); 723 PETSC_EXTERN PetscErrorCode MatLMVMAllocate(Mat, Vec, Vec); 724 PETSC_EXTERN PetscErrorCode MatLMVMReset(Mat, PetscBool); 725 PETSC_EXTERN PetscErrorCode MatLMVMResetShift(Mat); 726 PETSC_EXTERN PetscErrorCode MatLMVMClearJ0(Mat); 727 PETSC_EXTERN PetscErrorCode MatLMVMSetJ0(Mat, Mat); 728 PETSC_EXTERN PetscErrorCode MatLMVMSetJ0Scale(Mat, PetscReal); 729 PETSC_EXTERN PetscErrorCode MatLMVMSetJ0Diag(Mat, Vec); 730 PETSC_EXTERN PetscErrorCode MatLMVMSetJ0PC(Mat, PC); 731 PETSC_EXTERN PetscErrorCode MatLMVMSetJ0KSP(Mat, KSP); 732 PETSC_EXTERN PetscErrorCode MatLMVMApplyJ0Fwd(Mat, Vec, Vec); 733 PETSC_EXTERN PetscErrorCode MatLMVMApplyJ0Inv(Mat, Vec, Vec); 734 PETSC_EXTERN PetscErrorCode MatLMVMGetJ0(Mat, Mat*); 735 PETSC_EXTERN PetscErrorCode MatLMVMGetJ0PC(Mat, PC*); 736 PETSC_EXTERN PetscErrorCode MatLMVMGetJ0KSP(Mat, KSP*); 737 PETSC_EXTERN PetscErrorCode MatLMVMGetUpdateCount(Mat, PetscInt*); 738 PETSC_EXTERN PetscErrorCode MatLMVMGetRejectCount(Mat, PetscInt*); 739 PETSC_EXTERN PetscErrorCode MatSymBrdnSetDelta(Mat, PetscScalar); 740 741 PETSC_EXTERN PetscErrorCode KSPSetDM(KSP,DM); 742 PETSC_EXTERN PetscErrorCode KSPSetDMActive(KSP,PetscBool ); 743 PETSC_EXTERN PetscErrorCode KSPGetDM(KSP,DM*); 744 PETSC_EXTERN PetscErrorCode KSPSetApplicationContext(KSP,void*); 745 PETSC_EXTERN PetscErrorCode KSPGetApplicationContext(KSP,void*); 746 PETSC_EXTERN PetscErrorCode KSPSetComputeRHS(KSP,PetscErrorCode (*func)(KSP,Vec,void*),void*); 747 PETSC_EXTERN PetscErrorCode KSPSetComputeOperators(KSP,PetscErrorCode(*)(KSP,Mat,Mat,void*),void*); 748 PETSC_EXTERN PetscErrorCode KSPSetComputeInitialGuess(KSP,PetscErrorCode(*)(KSP,Vec,void*),void*); 749 PETSC_EXTERN PetscErrorCode DMKSPSetComputeOperators(DM,PetscErrorCode(*)(KSP,Mat,Mat,void*),void*); 750 PETSC_EXTERN PetscErrorCode DMKSPGetComputeOperators(DM,PetscErrorCode(**)(KSP,Mat,Mat,void*),void*); 751 PETSC_EXTERN PetscErrorCode DMKSPSetComputeRHS(DM,PetscErrorCode(*)(KSP,Vec,void*),void*); 752 PETSC_EXTERN PetscErrorCode DMKSPGetComputeRHS(DM,PetscErrorCode(**)(KSP,Vec,void*),void*); 753 PETSC_EXTERN PetscErrorCode DMKSPSetComputeInitialGuess(DM,PetscErrorCode(*)(KSP,Vec,void*),void*); 754 PETSC_EXTERN PetscErrorCode DMKSPGetComputeInitialGuess(DM,PetscErrorCode(**)(KSP,Vec,void*),void*); 755 756 PETSC_EXTERN PetscErrorCode DMGlobalToLocalSolve(DM,Vec,Vec); 757 PETSC_EXTERN PetscErrorCode DMProjectField(DM, PetscReal, Vec, 758 void (**)(PetscInt, PetscInt, PetscInt, 759 const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[], 760 const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[], 761 PetscReal, const PetscReal [], PetscInt, const PetscScalar[], PetscScalar []), InsertMode, Vec); 762 #endif 763