| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | ||
| 3 | SLEPc - Scalable Library for Eigenvalue Problem Computations | ||
| 4 | Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain | ||
| 5 | |||
| 6 | This file is part of SLEPc. | ||
| 7 | SLEPc is distributed under a 2-clause BSD license (see LICENSE). | ||
| 8 | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | ||
| 9 | */ | ||
| 10 | /* | ||
| 11 | Basic PEP routines | ||
| 12 | */ | ||
| 13 | |||
| 14 | #include <slepc/private/pepimpl.h> /*I "slepcpep.h" I*/ | ||
| 15 | |||
| 16 | /* Logging support */ | ||
| 17 | PetscClassId PEP_CLASSID = 0; | ||
| 18 | PetscLogEvent PEP_SetUp = 0,PEP_Solve = 0,PEP_Refine = 0,PEP_CISS_SVD = 0; | ||
| 19 | |||
| 20 | /* List of registered PEP routines */ | ||
| 21 | PetscFunctionList PEPList = NULL; | ||
| 22 | PetscBool PEPRegisterAllCalled = PETSC_FALSE; | ||
| 23 | |||
| 24 | /* List of registered PEP monitors */ | ||
| 25 | PetscFunctionList PEPMonitorList = NULL; | ||
| 26 | PetscFunctionList PEPMonitorCreateList = NULL; | ||
| 27 | PetscFunctionList PEPMonitorDestroyList = NULL; | ||
| 28 | PetscBool PEPMonitorRegisterAllCalled = PETSC_FALSE; | ||
| 29 | |||
| 30 | /*@ | ||
| 31 | PEPCreate - Creates the default PEP context. | ||
| 32 | |||
| 33 | Collective | ||
| 34 | |||
| 35 | Input Parameter: | ||
| 36 | . comm - MPI communicator | ||
| 37 | |||
| 38 | Output Parameter: | ||
| 39 | . outpep - location to put the PEP context | ||
| 40 | |||
| 41 | Note: | ||
| 42 | The default PEP type is PEPTOAR | ||
| 43 | |||
| 44 | Level: beginner | ||
| 45 | |||
| 46 | .seealso: PEPSetUp(), PEPSolve(), PEPDestroy(), PEP | ||
| 47 | @*/ | ||
| 48 | 1991 | PetscErrorCode PEPCreate(MPI_Comm comm,PEP *outpep) | |
| 49 | { | ||
| 50 | 1991 | PEP pep; | |
| 51 | |||
| 52 |
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1991 | PetscFunctionBegin; |
| 53 |
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1991 | PetscAssertPointer(outpep,2); |
| 54 |
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1991 | PetscCall(PEPInitializePackage()); |
| 55 |
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1991 | PetscCall(SlepcHeaderCreate(pep,PEP_CLASSID,"PEP","Polynomial Eigenvalue Problem","PEP",comm,PEPDestroy,PEPView)); |
| 56 | |||
| 57 | 1991 | pep->max_it = PETSC_DETERMINE; | |
| 58 | 1991 | pep->nev = 1; | |
| 59 | 1991 | pep->ncv = PETSC_DETERMINE; | |
| 60 | 1991 | pep->mpd = PETSC_DETERMINE; | |
| 61 | 1991 | pep->nini = 0; | |
| 62 | 1991 | pep->target = 0.0; | |
| 63 | 1991 | pep->tol = PETSC_DETERMINE; | |
| 64 | 1991 | pep->conv = PEP_CONV_REL; | |
| 65 | 1991 | pep->stop = PEP_STOP_BASIC; | |
| 66 | 1991 | pep->which = (PEPWhich)0; | |
| 67 | 1991 | pep->basis = PEP_BASIS_MONOMIAL; | |
| 68 | 1991 | pep->problem_type = (PEPProblemType)0; | |
| 69 | 1991 | pep->scale = PEP_SCALE_NONE; | |
| 70 | 1991 | pep->sfactor = 1.0; | |
| 71 | 1991 | pep->dsfactor = 1.0; | |
| 72 | 1991 | pep->sits = 5; | |
| 73 | 1991 | pep->slambda = 1.0; | |
| 74 | 1991 | pep->refine = PEP_REFINE_NONE; | |
| 75 | 1991 | pep->npart = 1; | |
| 76 | 1991 | pep->rtol = PETSC_DETERMINE; | |
| 77 | 1991 | pep->rits = PETSC_DETERMINE; | |
| 78 | 1991 | pep->scheme = (PEPRefineScheme)0; | |
| 79 | 1991 | pep->extract = (PEPExtract)0; | |
| 80 | 1991 | pep->trackall = PETSC_FALSE; | |
| 81 | |||
| 82 | 1991 | pep->converged = PEPConvergedRelative; | |
| 83 | 1991 | pep->convergeduser = NULL; | |
| 84 | 1991 | pep->convergeddestroy= NULL; | |
| 85 | 1991 | pep->stopping = PEPStoppingBasic; | |
| 86 | 1991 | pep->stoppinguser = NULL; | |
| 87 | 1991 | pep->stoppingdestroy = NULL; | |
| 88 | 1991 | pep->convergedctx = NULL; | |
| 89 | 1991 | pep->stoppingctx = NULL; | |
| 90 | 1991 | pep->numbermonitors = 0; | |
| 91 | |||
| 92 | 1991 | pep->st = NULL; | |
| 93 | 1991 | pep->ds = NULL; | |
| 94 | 1991 | pep->V = NULL; | |
| 95 | 1991 | pep->rg = NULL; | |
| 96 | 1991 | pep->A = NULL; | |
| 97 | 1991 | pep->nmat = 0; | |
| 98 | 1991 | pep->Dl = NULL; | |
| 99 | 1991 | pep->Dr = NULL; | |
| 100 | 1991 | pep->IS = NULL; | |
| 101 | 1991 | pep->eigr = NULL; | |
| 102 | 1991 | pep->eigi = NULL; | |
| 103 | 1991 | pep->errest = NULL; | |
| 104 | 1991 | pep->perm = NULL; | |
| 105 | 1991 | pep->pbc = NULL; | |
| 106 | 1991 | pep->solvematcoeffs = NULL; | |
| 107 | 1991 | pep->nwork = 0; | |
| 108 | 1991 | pep->work = NULL; | |
| 109 | 1991 | pep->refineksp = NULL; | |
| 110 | 1991 | pep->refinesubc = NULL; | |
| 111 | 1991 | pep->data = NULL; | |
| 112 | |||
| 113 | 1991 | pep->state = PEP_STATE_INITIAL; | |
| 114 | 1991 | pep->nconv = 0; | |
| 115 | 1991 | pep->its = 0; | |
| 116 | 1991 | pep->n = 0; | |
| 117 | 1991 | pep->nloc = 0; | |
| 118 | 1991 | pep->nrma = NULL; | |
| 119 | 1991 | pep->sfactor_set = PETSC_FALSE; | |
| 120 | 1991 | pep->lineariz = PETSC_FALSE; | |
| 121 | 1991 | pep->reason = PEP_CONVERGED_ITERATING; | |
| 122 | |||
| 123 |
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1991 | PetscCall(PetscNew(&pep->sc)); |
| 124 | 1991 | *outpep = pep; | |
| 125 |
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1991 | PetscFunctionReturn(PETSC_SUCCESS); |
| 126 | } | ||
| 127 | |||
| 128 | /*@ | ||
| 129 | PEPSetType - Selects the particular solver to be used in the PEP object. | ||
| 130 | |||
| 131 | Logically Collective | ||
| 132 | |||
| 133 | Input Parameters: | ||
| 134 | + pep - the polynomial eigensolver context | ||
| 135 | - type - a known method | ||
| 136 | |||
| 137 | Options Database Key: | ||
| 138 | . -pep_type <method> - Sets the method; use -help for a list | ||
| 139 | of available methods | ||
| 140 | |||
| 141 | Notes: | ||
| 142 | See "slepc/include/slepcpep.h" for available methods. The default | ||
| 143 | is PEPTOAR. | ||
| 144 | |||
| 145 | Normally, it is best to use the PEPSetFromOptions() command and | ||
| 146 | then set the PEP type from the options database rather than by using | ||
| 147 | this routine. Using the options database provides the user with | ||
| 148 | maximum flexibility in evaluating the different available methods. | ||
| 149 | The PEPSetType() routine is provided for those situations where it | ||
| 150 | is necessary to set the iterative solver independently of the command | ||
| 151 | line or options database. | ||
| 152 | |||
| 153 | Level: intermediate | ||
| 154 | |||
| 155 | .seealso: PEPType | ||
| 156 | @*/ | ||
| 157 | 1900 | PetscErrorCode PEPSetType(PEP pep,PEPType type) | |
| 158 | { | ||
| 159 | 1900 | PetscErrorCode (*r)(PEP); | |
| 160 | 1900 | PetscBool match; | |
| 161 | |||
| 162 |
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1900 | PetscFunctionBegin; |
| 163 |
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1900 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 164 |
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1900 | PetscAssertPointer(type,2); |
| 165 | |||
| 166 |
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1900 | PetscCall(PetscObjectTypeCompare((PetscObject)pep,type,&match)); |
| 167 |
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1900 | if (match) PetscFunctionReturn(PETSC_SUCCESS); |
| 168 | |||
| 169 |
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1900 | PetscCall(PetscFunctionListFind(PEPList,type,&r)); |
| 170 |
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1900 | PetscCheck(r,PetscObjectComm((PetscObject)pep),PETSC_ERR_ARG_UNKNOWN_TYPE,"Unknown PEP type given: %s",type); |
| 171 | |||
| 172 |
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1900 | PetscTryTypeMethod(pep,destroy); |
| 173 |
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1900 | PetscCall(PetscMemzero(pep->ops,sizeof(struct _PEPOps))); |
| 174 | |||
| 175 | 1900 | pep->state = PEP_STATE_INITIAL; | |
| 176 |
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1900 | PetscCall(PetscObjectChangeTypeName((PetscObject)pep,type)); |
| 177 |
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1900 | PetscCall((*r)(pep)); |
| 178 |
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368 | PetscFunctionReturn(PETSC_SUCCESS); |
| 179 | } | ||
| 180 | |||
| 181 | /*@ | ||
| 182 | PEPGetType - Gets the PEP type as a string from the PEP object. | ||
| 183 | |||
| 184 | Not Collective | ||
| 185 | |||
| 186 | Input Parameter: | ||
| 187 | . pep - the eigensolver context | ||
| 188 | |||
| 189 | Output Parameter: | ||
| 190 | . type - name of PEP method | ||
| 191 | |||
| 192 | Level: intermediate | ||
| 193 | |||
| 194 | .seealso: PEPSetType() | ||
| 195 | @*/ | ||
| 196 | 84 | PetscErrorCode PEPGetType(PEP pep,PEPType *type) | |
| 197 | { | ||
| 198 |
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84 | PetscFunctionBegin; |
| 199 |
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84 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 200 |
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84 | PetscAssertPointer(type,2); |
| 201 | 84 | *type = ((PetscObject)pep)->type_name; | |
| 202 |
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84 | PetscFunctionReturn(PETSC_SUCCESS); |
| 203 | } | ||
| 204 | |||
| 205 | /*@C | ||
| 206 | PEPRegister - Adds a method to the polynomial eigenproblem solver package. | ||
| 207 | |||
| 208 | Not Collective | ||
| 209 | |||
| 210 | Input Parameters: | ||
| 211 | + name - name of a new user-defined solver | ||
| 212 | - function - routine to create the solver context | ||
| 213 | |||
| 214 | Notes: | ||
| 215 | PEPRegister() may be called multiple times to add several user-defined solvers. | ||
| 216 | |||
| 217 | Example Usage: | ||
| 218 | .vb | ||
| 219 | PEPRegister("my_solver",MySolverCreate); | ||
| 220 | .ve | ||
| 221 | |||
| 222 | Then, your solver can be chosen with the procedural interface via | ||
| 223 | $ PEPSetType(pep,"my_solver") | ||
| 224 | or at runtime via the option | ||
| 225 | $ -pep_type my_solver | ||
| 226 | |||
| 227 | Level: advanced | ||
| 228 | |||
| 229 | .seealso: PEPRegisterAll() | ||
| 230 | @*/ | ||
| 231 | 10425 | PetscErrorCode PEPRegister(const char *name,PetscErrorCode (*function)(PEP)) | |
| 232 | { | ||
| 233 |
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10425 | PetscFunctionBegin; |
| 234 |
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10425 | PetscCall(PEPInitializePackage()); |
| 235 |
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10425 | PetscCall(PetscFunctionListAdd(&PEPList,name,function)); |
| 236 |
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1997 | PetscFunctionReturn(PETSC_SUCCESS); |
| 237 | } | ||
| 238 | |||
| 239 | /*@C | ||
| 240 | PEPMonitorRegister - Registers a PEP monitor routine that may be accessed with PEPMonitorSetFromOptions(). | ||
| 241 | |||
| 242 | Not Collective | ||
| 243 | |||
| 244 | Input Parameters: | ||
| 245 | + name - name of a new monitor routine | ||
| 246 | . vtype - a PetscViewerType for the output | ||
| 247 | . format - a PetscViewerFormat for the output | ||
| 248 | . monitor - monitor routine, see PEPMonitorRegisterFn | ||
| 249 | . create - creation routine, or NULL | ||
| 250 | - destroy - destruction routine, or NULL | ||
| 251 | |||
| 252 | Notes: | ||
| 253 | PEPMonitorRegister() may be called multiple times to add several user-defined monitors. | ||
| 254 | |||
| 255 | The calling sequence for the given function matches the calling sequence of PEPMonitorFn | ||
| 256 | functions passed to PEPMonitorSet() with the additional requirement that its final argument | ||
| 257 | be a PetscViewerAndFormat. | ||
| 258 | |||
| 259 | Example Usage: | ||
| 260 | .vb | ||
| 261 | PEPMonitorRegister("my_monitor",PETSCVIEWERASCII,PETSC_VIEWER_ASCII_INFO_DETAIL,MyMonitor,NULL,NULL); | ||
| 262 | .ve | ||
| 263 | |||
| 264 | Then, your monitor can be chosen with the procedural interface via | ||
| 265 | $ PEPMonitorSetFromOptions(pep,"-pep_monitor_my_monitor","my_monitor",NULL) | ||
| 266 | or at runtime via the option | ||
| 267 | $ -pep_monitor_my_monitor | ||
| 268 | |||
| 269 | Level: advanced | ||
| 270 | |||
| 271 | .seealso: PEPMonitorSet(), PEPMonitorRegisterAll() | ||
| 272 | @*/ | ||
| 273 | 11334 | PetscErrorCode PEPMonitorRegister(const char name[],PetscViewerType vtype,PetscViewerFormat format,PEPMonitorRegisterFn *monitor,PEPMonitorRegisterCreateFn *create,PEPMonitorRegisterDestroyFn *destroy) | |
| 274 | { | ||
| 275 | 11334 | char key[PETSC_MAX_PATH_LEN]; | |
| 276 | |||
| 277 |
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11334 | PetscFunctionBegin; |
| 278 |
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11334 | PetscCall(PEPInitializePackage()); |
| 279 |
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11334 | PetscCall(SlepcMonitorMakeKey_Internal(name,vtype,format,key)); |
| 280 |
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11334 | PetscCall(PetscFunctionListAdd(&PEPMonitorList,key,monitor)); |
| 281 |
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11334 | if (create) PetscCall(PetscFunctionListAdd(&PEPMonitorCreateList,key,create)); |
| 282 |
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11334 | if (destroy) PetscCall(PetscFunctionListAdd(&PEPMonitorDestroyList,key,destroy)); |
| 283 |
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2172 | PetscFunctionReturn(PETSC_SUCCESS); |
| 284 | } | ||
| 285 | |||
| 286 | /*@ | ||
| 287 | PEPReset - Resets the PEP context to the initial state (prior to setup) | ||
| 288 | and destroys any allocated Vecs and Mats. | ||
| 289 | |||
| 290 | Collective | ||
| 291 | |||
| 292 | Input Parameter: | ||
| 293 | . pep - eigensolver context obtained from PEPCreate() | ||
| 294 | |||
| 295 | Level: advanced | ||
| 296 | |||
| 297 | .seealso: PEPDestroy() | ||
| 298 | @*/ | ||
| 299 | 2281 | PetscErrorCode PEPReset(PEP pep) | |
| 300 | { | ||
| 301 |
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2281 | PetscFunctionBegin; |
| 302 |
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2281 | if (pep) PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 303 |
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2074 | if (!pep) PetscFunctionReturn(PETSC_SUCCESS); |
| 304 |
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2281 | PetscTryTypeMethod(pep,reset); |
| 305 |
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2281 | if (pep->st) PetscCall(STReset(pep->st)); |
| 306 |
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2281 | if (pep->refineksp) PetscCall(KSPReset(pep->refineksp)); |
| 307 |
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2281 | if (pep->nmat) { |
| 308 |
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1956 | PetscCall(MatDestroyMatrices(pep->nmat,&pep->A)); |
| 309 |
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1956 | PetscCall(PetscFree2(pep->pbc,pep->nrma)); |
| 310 |
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1956 | PetscCall(PetscFree(pep->solvematcoeffs)); |
| 311 | 1956 | pep->nmat = 0; | |
| 312 | } | ||
| 313 |
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2281 | PetscCall(VecDestroy(&pep->Dl)); |
| 314 |
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2281 | PetscCall(VecDestroy(&pep->Dr)); |
| 315 |
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2281 | PetscCall(BVDestroy(&pep->V)); |
| 316 |
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2281 | PetscCall(VecDestroyVecs(pep->nwork,&pep->work)); |
| 317 | 2281 | pep->nwork = 0; | |
| 318 | 2281 | pep->state = PEP_STATE_INITIAL; | |
| 319 |
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2281 | PetscFunctionReturn(PETSC_SUCCESS); |
| 320 | } | ||
| 321 | |||
| 322 | /*@ | ||
| 323 | PEPDestroy - Destroys the PEP context. | ||
| 324 | |||
| 325 | Collective | ||
| 326 | |||
| 327 | Input Parameter: | ||
| 328 | . pep - eigensolver context obtained from PEPCreate() | ||
| 329 | |||
| 330 | Level: beginner | ||
| 331 | |||
| 332 | .seealso: PEPCreate(), PEPSetUp(), PEPSolve() | ||
| 333 | @*/ | ||
| 334 | 2056 | PetscErrorCode PEPDestroy(PEP *pep) | |
| 335 | { | ||
| 336 |
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2056 | PetscFunctionBegin; |
| 337 |
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2056 | if (!*pep) PetscFunctionReturn(PETSC_SUCCESS); |
| 338 |
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2034 | PetscValidHeaderSpecific(*pep,PEP_CLASSID,1); |
| 339 |
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2034 | if (--((PetscObject)*pep)->refct > 0) { *pep = NULL; PetscFunctionReturn(PETSC_SUCCESS); } |
| 340 |
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1991 | PetscCall(PEPReset(*pep)); |
| 341 |
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1991 | PetscTryTypeMethod(*pep,destroy); |
| 342 |
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1991 | if ((*pep)->eigr) PetscCall(PetscFree4((*pep)->eigr,(*pep)->eigi,(*pep)->errest,(*pep)->perm)); |
| 343 |
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1991 | PetscCall(STDestroy(&(*pep)->st)); |
| 344 |
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1991 | PetscCall(RGDestroy(&(*pep)->rg)); |
| 345 |
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1991 | PetscCall(DSDestroy(&(*pep)->ds)); |
| 346 |
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1991 | PetscCall(KSPDestroy(&(*pep)->refineksp)); |
| 347 |
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1991 | PetscCall(PetscSubcommDestroy(&(*pep)->refinesubc)); |
| 348 |
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1991 | PetscCall(PetscFree((*pep)->sc)); |
| 349 | /* just in case the initial vectors have not been used */ | ||
| 350 |
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1991 | PetscCall(SlepcBasisDestroy_Private(&(*pep)->nini,&(*pep)->IS)); |
| 351 |
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1991 | if ((*pep)->convergeddestroy) PetscCall((*(*pep)->convergeddestroy)(&(*pep)->convergedctx)); |
| 352 |
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1991 | if ((*pep)->stoppingdestroy) PetscCall((*(*pep)->stoppingdestroy)(&(*pep)->stoppingctx)); |
| 353 |
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1991 | PetscCall(PEPMonitorCancel(*pep)); |
| 354 |
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1991 | PetscCall(PetscHeaderDestroy(pep)); |
| 355 |
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|
368 | PetscFunctionReturn(PETSC_SUCCESS); |
| 356 | } | ||
| 357 | |||
| 358 | /*@ | ||
| 359 | PEPSetBV - Associates a basis vectors object to the polynomial eigensolver. | ||
| 360 | |||
| 361 | Collective | ||
| 362 | |||
| 363 | Input Parameters: | ||
| 364 | + pep - eigensolver context obtained from PEPCreate() | ||
| 365 | - bv - the basis vectors object | ||
| 366 | |||
| 367 | Note: | ||
| 368 | Use PEPGetBV() to retrieve the basis vectors context (for example, | ||
| 369 | to free it at the end of the computations). | ||
| 370 | |||
| 371 | Level: advanced | ||
| 372 | |||
| 373 | .seealso: PEPGetBV() | ||
| 374 | @*/ | ||
| 375 | ✗ | PetscErrorCode PEPSetBV(PEP pep,BV bv) | |
| 376 | { | ||
| 377 | ✗ | PetscFunctionBegin; | |
| 378 | ✗ | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); | |
| 379 | ✗ | PetscValidHeaderSpecific(bv,BV_CLASSID,2); | |
| 380 | ✗ | PetscCheckSameComm(pep,1,bv,2); | |
| 381 | ✗ | PetscCall(PetscObjectReference((PetscObject)bv)); | |
| 382 | ✗ | PetscCall(BVDestroy(&pep->V)); | |
| 383 | ✗ | pep->V = bv; | |
| 384 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 385 | } | ||
| 386 | |||
| 387 | /*@ | ||
| 388 | PEPGetBV - Obtain the basis vectors object associated to the polynomial | ||
| 389 | eigensolver object. | ||
| 390 | |||
| 391 | Not Collective | ||
| 392 | |||
| 393 | Input Parameters: | ||
| 394 | . pep - eigensolver context obtained from PEPCreate() | ||
| 395 | |||
| 396 | Output Parameter: | ||
| 397 | . bv - basis vectors context | ||
| 398 | |||
| 399 | Level: advanced | ||
| 400 | |||
| 401 | .seealso: PEPSetBV() | ||
| 402 | @*/ | ||
| 403 | 1990 | PetscErrorCode PEPGetBV(PEP pep,BV *bv) | |
| 404 | { | ||
| 405 |
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1990 | PetscFunctionBegin; |
| 406 |
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1990 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 407 |
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1990 | PetscAssertPointer(bv,2); |
| 408 |
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1990 | if (!pep->V) { |
| 409 |
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1970 | PetscCall(BVCreate(PetscObjectComm((PetscObject)pep),&pep->V)); |
| 410 |
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1970 | PetscCall(PetscObjectIncrementTabLevel((PetscObject)pep->V,(PetscObject)pep,0)); |
| 411 |
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1970 | PetscCall(PetscObjectSetOptions((PetscObject)pep->V,((PetscObject)pep)->options)); |
| 412 | } | ||
| 413 | 1990 | *bv = pep->V; | |
| 414 |
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1990 | PetscFunctionReturn(PETSC_SUCCESS); |
| 415 | } | ||
| 416 | |||
| 417 | /*@ | ||
| 418 | PEPSetRG - Associates a region object to the polynomial eigensolver. | ||
| 419 | |||
| 420 | Collective | ||
| 421 | |||
| 422 | Input Parameters: | ||
| 423 | + pep - eigensolver context obtained from PEPCreate() | ||
| 424 | - rg - the region object | ||
| 425 | |||
| 426 | Note: | ||
| 427 | Use PEPGetRG() to retrieve the region context (for example, | ||
| 428 | to free it at the end of the computations). | ||
| 429 | |||
| 430 | Level: advanced | ||
| 431 | |||
| 432 | .seealso: PEPGetRG() | ||
| 433 | @*/ | ||
| 434 | 30 | PetscErrorCode PEPSetRG(PEP pep,RG rg) | |
| 435 | { | ||
| 436 |
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30 | PetscFunctionBegin; |
| 437 |
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30 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 438 |
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30 | if (rg) { |
| 439 |
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30 | PetscValidHeaderSpecific(rg,RG_CLASSID,2); |
| 440 |
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30 | PetscCheckSameComm(pep,1,rg,2); |
| 441 | } | ||
| 442 |
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30 | PetscCall(PetscObjectReference((PetscObject)rg)); |
| 443 |
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30 | PetscCall(RGDestroy(&pep->rg)); |
| 444 | 30 | pep->rg = rg; | |
| 445 |
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30 | PetscFunctionReturn(PETSC_SUCCESS); |
| 446 | } | ||
| 447 | |||
| 448 | /*@ | ||
| 449 | PEPGetRG - Obtain the region object associated to the | ||
| 450 | polynomial eigensolver object. | ||
| 451 | |||
| 452 | Not Collective | ||
| 453 | |||
| 454 | Input Parameters: | ||
| 455 | . pep - eigensolver context obtained from PEPCreate() | ||
| 456 | |||
| 457 | Output Parameter: | ||
| 458 | . rg - region context | ||
| 459 | |||
| 460 | Level: advanced | ||
| 461 | |||
| 462 | .seealso: PEPSetRG() | ||
| 463 | @*/ | ||
| 464 | 2160 | PetscErrorCode PEPGetRG(PEP pep,RG *rg) | |
| 465 | { | ||
| 466 |
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2160 | PetscFunctionBegin; |
| 467 |
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2160 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 468 |
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2160 | PetscAssertPointer(rg,2); |
| 469 |
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2160 | if (!pep->rg) { |
| 470 |
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1870 | PetscCall(RGCreate(PetscObjectComm((PetscObject)pep),&pep->rg)); |
| 471 |
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1870 | PetscCall(PetscObjectIncrementTabLevel((PetscObject)pep->rg,(PetscObject)pep,0)); |
| 472 |
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1870 | PetscCall(PetscObjectSetOptions((PetscObject)pep->rg,((PetscObject)pep)->options)); |
| 473 | } | ||
| 474 | 2160 | *rg = pep->rg; | |
| 475 |
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2160 | PetscFunctionReturn(PETSC_SUCCESS); |
| 476 | } | ||
| 477 | |||
| 478 | /*@ | ||
| 479 | PEPSetDS - Associates a direct solver object to the polynomial eigensolver. | ||
| 480 | |||
| 481 | Collective | ||
| 482 | |||
| 483 | Input Parameters: | ||
| 484 | + pep - eigensolver context obtained from PEPCreate() | ||
| 485 | - ds - the direct solver object | ||
| 486 | |||
| 487 | Note: | ||
| 488 | Use PEPGetDS() to retrieve the direct solver context (for example, | ||
| 489 | to free it at the end of the computations). | ||
| 490 | |||
| 491 | Level: advanced | ||
| 492 | |||
| 493 | .seealso: PEPGetDS() | ||
| 494 | @*/ | ||
| 495 | ✗ | PetscErrorCode PEPSetDS(PEP pep,DS ds) | |
| 496 | { | ||
| 497 | ✗ | PetscFunctionBegin; | |
| 498 | ✗ | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); | |
| 499 | ✗ | PetscValidHeaderSpecific(ds,DS_CLASSID,2); | |
| 500 | ✗ | PetscCheckSameComm(pep,1,ds,2); | |
| 501 | ✗ | PetscCall(PetscObjectReference((PetscObject)ds)); | |
| 502 | ✗ | PetscCall(DSDestroy(&pep->ds)); | |
| 503 | ✗ | pep->ds = ds; | |
| 504 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 505 | } | ||
| 506 | |||
| 507 | /*@ | ||
| 508 | PEPGetDS - Obtain the direct solver object associated to the | ||
| 509 | polynomial eigensolver object. | ||
| 510 | |||
| 511 | Not Collective | ||
| 512 | |||
| 513 | Input Parameters: | ||
| 514 | . pep - eigensolver context obtained from PEPCreate() | ||
| 515 | |||
| 516 | Output Parameter: | ||
| 517 | . ds - direct solver context | ||
| 518 | |||
| 519 | Level: advanced | ||
| 520 | |||
| 521 | .seealso: PEPSetDS() | ||
| 522 | @*/ | ||
| 523 | 1900 | PetscErrorCode PEPGetDS(PEP pep,DS *ds) | |
| 524 | { | ||
| 525 |
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1900 | PetscFunctionBegin; |
| 526 |
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1900 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 527 |
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1900 | PetscAssertPointer(ds,2); |
| 528 |
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1900 | if (!pep->ds) { |
| 529 |
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1900 | PetscCall(DSCreate(PetscObjectComm((PetscObject)pep),&pep->ds)); |
| 530 |
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1900 | PetscCall(PetscObjectIncrementTabLevel((PetscObject)pep->ds,(PetscObject)pep,0)); |
| 531 |
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1900 | PetscCall(PetscObjectSetOptions((PetscObject)pep->ds,((PetscObject)pep)->options)); |
| 532 | } | ||
| 533 | 1900 | *ds = pep->ds; | |
| 534 |
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1900 | PetscFunctionReturn(PETSC_SUCCESS); |
| 535 | } | ||
| 536 | |||
| 537 | /*@ | ||
| 538 | PEPSetST - Associates a spectral transformation object to the eigensolver. | ||
| 539 | |||
| 540 | Collective | ||
| 541 | |||
| 542 | Input Parameters: | ||
| 543 | + pep - eigensolver context obtained from PEPCreate() | ||
| 544 | - st - the spectral transformation object | ||
| 545 | |||
| 546 | Note: | ||
| 547 | Use PEPGetST() to retrieve the spectral transformation context (for example, | ||
| 548 | to free it at the end of the computations). | ||
| 549 | |||
| 550 | Level: advanced | ||
| 551 | |||
| 552 | .seealso: PEPGetST() | ||
| 553 | @*/ | ||
| 554 | 10 | PetscErrorCode PEPSetST(PEP pep,ST st) | |
| 555 | { | ||
| 556 |
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10 | PetscFunctionBegin; |
| 557 |
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10 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 558 |
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10 | PetscValidHeaderSpecific(st,ST_CLASSID,2); |
| 559 |
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10 | PetscCheckSameComm(pep,1,st,2); |
| 560 |
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10 | PetscCall(PetscObjectReference((PetscObject)st)); |
| 561 |
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10 | PetscCall(STDestroy(&pep->st)); |
| 562 | 10 | pep->st = st; | |
| 563 |
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|
10 | PetscFunctionReturn(PETSC_SUCCESS); |
| 564 | } | ||
| 565 | |||
| 566 | /*@ | ||
| 567 | PEPGetST - Obtain the spectral transformation (ST) object associated | ||
| 568 | to the eigensolver object. | ||
| 569 | |||
| 570 | Not Collective | ||
| 571 | |||
| 572 | Input Parameters: | ||
| 573 | . pep - eigensolver context obtained from PEPCreate() | ||
| 574 | |||
| 575 | Output Parameter: | ||
| 576 | . st - spectral transformation context | ||
| 577 | |||
| 578 | Level: intermediate | ||
| 579 | |||
| 580 | .seealso: PEPSetST() | ||
| 581 | @*/ | ||
| 582 | 308719 | PetscErrorCode PEPGetST(PEP pep,ST *st) | |
| 583 | { | ||
| 584 |
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308719 | PetscFunctionBegin; |
| 585 |
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308719 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 586 |
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308719 | PetscAssertPointer(st,2); |
| 587 |
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308719 | if (!pep->st) { |
| 588 |
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1890 | PetscCall(STCreate(PetscObjectComm((PetscObject)pep),&pep->st)); |
| 589 |
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1890 | PetscCall(PetscObjectIncrementTabLevel((PetscObject)pep->st,(PetscObject)pep,0)); |
| 590 |
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1890 | PetscCall(PetscObjectSetOptions((PetscObject)pep->st,((PetscObject)pep)->options)); |
| 591 | } | ||
| 592 | 308719 | *st = pep->st; | |
| 593 |
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308719 | PetscFunctionReturn(PETSC_SUCCESS); |
| 594 | } | ||
| 595 | |||
| 596 | /*@ | ||
| 597 | PEPRefineGetKSP - Obtain the ksp object used by the eigensolver | ||
| 598 | object in the refinement phase. | ||
| 599 | |||
| 600 | Collective | ||
| 601 | |||
| 602 | Input Parameters: | ||
| 603 | . pep - eigensolver context obtained from PEPCreate() | ||
| 604 | |||
| 605 | Output Parameter: | ||
| 606 | . ksp - ksp context | ||
| 607 | |||
| 608 | Level: advanced | ||
| 609 | |||
| 610 | .seealso: PEPSetRefine() | ||
| 611 | @*/ | ||
| 612 | 2080 | PetscErrorCode PEPRefineGetKSP(PEP pep,KSP *ksp) | |
| 613 | { | ||
| 614 | 2080 | MPI_Comm comm; | |
| 615 | |||
| 616 |
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2080 | PetscFunctionBegin; |
| 617 |
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2080 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 618 |
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2080 | PetscAssertPointer(ksp,2); |
| 619 |
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2080 | if (!pep->refineksp) { |
| 620 |
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1820 | if (pep->npart>1) { |
| 621 | /* Split in subcomunicators */ | ||
| 622 |
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120 | PetscCall(PetscSubcommCreate(PetscObjectComm((PetscObject)pep),&pep->refinesubc)); |
| 623 |
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120 | PetscCall(PetscSubcommSetNumber(pep->refinesubc,pep->npart)); |
| 624 |
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120 | PetscCall(PetscSubcommSetType(pep->refinesubc,PETSC_SUBCOMM_CONTIGUOUS)); |
| 625 |
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120 | PetscCall(PetscSubcommGetChild(pep->refinesubc,&comm)); |
| 626 |
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1700 | } else PetscCall(PetscObjectGetComm((PetscObject)pep,&comm)); |
| 627 |
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1820 | PetscCall(KSPCreate(comm,&pep->refineksp)); |
| 628 |
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1820 | PetscCall(PetscObjectIncrementTabLevel((PetscObject)pep->refineksp,(PetscObject)pep,0)); |
| 629 |
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1820 | PetscCall(PetscObjectSetOptions((PetscObject)pep->refineksp,((PetscObject)pep)->options)); |
| 630 |
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1820 | PetscCall(KSPSetOptionsPrefix(*ksp,((PetscObject)pep)->prefix)); |
| 631 |
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1820 | PetscCall(KSPAppendOptionsPrefix(*ksp,"pep_refine_")); |
| 632 |
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3624 | PetscCall(KSPSetTolerances(pep->refineksp,SlepcDefaultTol(pep->rtol),PETSC_CURRENT,PETSC_CURRENT,PETSC_CURRENT)); |
| 633 | } | ||
| 634 | 2080 | *ksp = pep->refineksp; | |
| 635 |
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2080 | PetscFunctionReturn(PETSC_SUCCESS); |
| 636 | } | ||
| 637 | |||
| 638 | /*@ | ||
| 639 | PEPSetTarget - Sets the value of the target. | ||
| 640 | |||
| 641 | Logically Collective | ||
| 642 | |||
| 643 | Input Parameters: | ||
| 644 | + pep - eigensolver context | ||
| 645 | - target - the value of the target | ||
| 646 | |||
| 647 | Options Database Key: | ||
| 648 | . -pep_target <scalar> - the value of the target | ||
| 649 | |||
| 650 | Notes: | ||
| 651 | The target is a scalar value used to determine the portion of the spectrum | ||
| 652 | of interest. It is used in combination with PEPSetWhichEigenpairs(). | ||
| 653 | |||
| 654 | In the case of complex scalars, a complex value can be provided in the | ||
| 655 | command line with [+/-][realnumber][+/-]realnumberi with no spaces, e.g. | ||
| 656 | -pep_target 1.0+2.0i | ||
| 657 | |||
| 658 | Level: intermediate | ||
| 659 | |||
| 660 | .seealso: PEPGetTarget(), PEPSetWhichEigenpairs() | ||
| 661 | @*/ | ||
| 662 | 925 | PetscErrorCode PEPSetTarget(PEP pep,PetscScalar target) | |
| 663 | { | ||
| 664 |
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925 | PetscFunctionBegin; |
| 665 |
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925 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 666 |
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925 | PetscValidLogicalCollectiveScalar(pep,target,2); |
| 667 | 925 | pep->target = target; | |
| 668 |
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925 | if (!pep->st) PetscCall(PEPGetST(pep,&pep->st)); |
| 669 |
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925 | PetscCall(STSetDefaultShift(pep->st,target)); |
| 670 |
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181 | PetscFunctionReturn(PETSC_SUCCESS); |
| 671 | } | ||
| 672 | |||
| 673 | /*@ | ||
| 674 | PEPGetTarget - Gets the value of the target. | ||
| 675 | |||
| 676 | Not Collective | ||
| 677 | |||
| 678 | Input Parameter: | ||
| 679 | . pep - eigensolver context | ||
| 680 | |||
| 681 | Output Parameter: | ||
| 682 | . target - the value of the target | ||
| 683 | |||
| 684 | Note: | ||
| 685 | If the target was not set by the user, then zero is returned. | ||
| 686 | |||
| 687 | Level: intermediate | ||
| 688 | |||
| 689 | .seealso: PEPSetTarget() | ||
| 690 | @*/ | ||
| 691 | 26 | PetscErrorCode PEPGetTarget(PEP pep,PetscScalar* target) | |
| 692 | { | ||
| 693 |
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26 | PetscFunctionBegin; |
| 694 |
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26 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 695 |
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26 | PetscAssertPointer(target,2); |
| 696 | 26 | *target = pep->target; | |
| 697 |
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26 | PetscFunctionReturn(PETSC_SUCCESS); |
| 698 | } | ||
| 699 | |||
| 700 | /*@ | ||
| 701 | PEPSetInterval - Defines the computational interval for spectrum slicing. | ||
| 702 | |||
| 703 | Logically Collective | ||
| 704 | |||
| 705 | Input Parameters: | ||
| 706 | + pep - eigensolver context | ||
| 707 | . inta - left end of the interval | ||
| 708 | - intb - right end of the interval | ||
| 709 | |||
| 710 | Options Database Key: | ||
| 711 | . -pep_interval <a,b> - set [a,b] as the interval of interest | ||
| 712 | |||
| 713 | Notes: | ||
| 714 | Spectrum slicing is a technique employed for computing all eigenvalues of | ||
| 715 | symmetric eigenproblems in a given interval. This function provides the | ||
| 716 | interval to be considered. It must be used in combination with PEP_ALL, see | ||
| 717 | PEPSetWhichEigenpairs(). | ||
| 718 | |||
| 719 | In the command-line option, two values must be provided. For an open interval, | ||
| 720 | one can give an infinite, e.g., -pep_interval 1.0,inf or -pep_interval -inf,1.0. | ||
| 721 | An open interval in the programmatic interface can be specified with | ||
| 722 | PETSC_MAX_REAL and -PETSC_MAX_REAL. | ||
| 723 | |||
| 724 | Level: intermediate | ||
| 725 | |||
| 726 | .seealso: PEPGetInterval(), PEPSetWhichEigenpairs() | ||
| 727 | @*/ | ||
| 728 | 90 | PetscErrorCode PEPSetInterval(PEP pep,PetscReal inta,PetscReal intb) | |
| 729 | { | ||
| 730 |
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90 | PetscFunctionBegin; |
| 731 |
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90 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 732 |
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90 | PetscValidLogicalCollectiveReal(pep,inta,2); |
| 733 |
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90 | PetscValidLogicalCollectiveReal(pep,intb,3); |
| 734 |
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90 | PetscCheck(inta<intb,PetscObjectComm((PetscObject)pep),PETSC_ERR_ARG_WRONG,"Badly defined interval, must be inta<intb"); |
| 735 |
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90 | if (pep->inta != inta || pep->intb != intb) { |
| 736 | 90 | pep->inta = inta; | |
| 737 | 90 | pep->intb = intb; | |
| 738 | 90 | pep->state = PEP_STATE_INITIAL; | |
| 739 | } | ||
| 740 |
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18 | PetscFunctionReturn(PETSC_SUCCESS); |
| 741 | } | ||
| 742 | |||
| 743 | /*@ | ||
| 744 | PEPGetInterval - Gets the computational interval for spectrum slicing. | ||
| 745 | |||
| 746 | Not Collective | ||
| 747 | |||
| 748 | Input Parameter: | ||
| 749 | . pep - eigensolver context | ||
| 750 | |||
| 751 | Output Parameters: | ||
| 752 | + inta - left end of the interval | ||
| 753 | - intb - right end of the interval | ||
| 754 | |||
| 755 | Level: intermediate | ||
| 756 | |||
| 757 | Note: | ||
| 758 | If the interval was not set by the user, then zeros are returned. | ||
| 759 | |||
| 760 | .seealso: PEPSetInterval() | ||
| 761 | @*/ | ||
| 762 | 40 | PetscErrorCode PEPGetInterval(PEP pep,PetscReal* inta,PetscReal* intb) | |
| 763 | { | ||
| 764 |
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40 | PetscFunctionBegin; |
| 765 |
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40 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 766 |
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40 | if (inta) *inta = pep->inta; |
| 767 |
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40 | if (intb) *intb = pep->intb; |
| 768 |
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40 | PetscFunctionReturn(PETSC_SUCCESS); |
| 769 | } | ||
| 770 |