| 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 DS routines | ||
| 12 | */ | ||
| 13 | |||
| 14 | #include <slepc/private/dsimpl.h> /*I "slepcds.h" I*/ | ||
| 15 | |||
| 16 | PetscFunctionList DSList = NULL; | ||
| 17 | PetscBool DSRegisterAllCalled = PETSC_FALSE; | ||
| 18 | PetscClassId DS_CLASSID = 0; | ||
| 19 | PetscLogEvent DS_Solve = 0,DS_Vectors = 0,DS_Synchronize = 0,DS_Other = 0; | ||
| 20 | static PetscBool DSPackageInitialized = PETSC_FALSE; | ||
| 21 | |||
| 22 | const char *DSStateTypes[] = {"RAW","INTERMEDIATE","CONDENSED","TRUNCATED","DSStateType","DS_STATE_",NULL}; | ||
| 23 | const char *DSParallelTypes[] = {"REDUNDANT","SYNCHRONIZED","DISTRIBUTED","DSParallelType","DS_PARALLEL_",NULL}; | ||
| 24 | const char *DSMatName[DS_NUM_MAT] = {"A","B","C","T","D","Q","Z","X","Y","U","V","W","E0","E1","E2","E3","E4","E5","E6","E7","E8","E9"}; | ||
| 25 | DSMatType DSMatExtra[DS_NUM_EXTRA] = {DS_MAT_E0,DS_MAT_E1,DS_MAT_E2,DS_MAT_E3,DS_MAT_E4,DS_MAT_E5,DS_MAT_E6,DS_MAT_E7,DS_MAT_E8,DS_MAT_E9}; | ||
| 26 | |||
| 27 | /*@C | ||
| 28 | DSFinalizePackage - This function destroys everything in the SLEPc interface | ||
| 29 | to the DS package. It is called from SlepcFinalize(). | ||
| 30 | |||
| 31 | Level: developer | ||
| 32 | |||
| 33 | .seealso: SlepcFinalize() | ||
| 34 | @*/ | ||
| 35 | 10545 | PetscErrorCode DSFinalizePackage(void) | |
| 36 | { | ||
| 37 |
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10545 | PetscFunctionBegin; |
| 38 |
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10545 | PetscCall(PetscFunctionListDestroy(&DSList)); |
| 39 | 10545 | DSPackageInitialized = PETSC_FALSE; | |
| 40 | 10545 | DSRegisterAllCalled = PETSC_FALSE; | |
| 41 |
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10545 | PetscFunctionReturn(PETSC_SUCCESS); |
| 42 | } | ||
| 43 | |||
| 44 | /*@C | ||
| 45 | DSInitializePackage - This function initializes everything in the DS package. | ||
| 46 | It is called from PetscDLLibraryRegister() when using dynamic libraries, and | ||
| 47 | on the first call to DSCreate() when using static libraries. | ||
| 48 | |||
| 49 | Level: developer | ||
| 50 | |||
| 51 | .seealso: SlepcInitialize() | ||
| 52 | @*/ | ||
| 53 | 128835 | PetscErrorCode DSInitializePackage(void) | |
| 54 | { | ||
| 55 | 128835 | char logList[256]; | |
| 56 | 128835 | PetscBool opt,pkg; | |
| 57 | 128835 | PetscClassId classids[1]; | |
| 58 | |||
| 59 |
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128835 | PetscFunctionBegin; |
| 60 |
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128835 | if (DSPackageInitialized) PetscFunctionReturn(PETSC_SUCCESS); |
| 61 | 10545 | DSPackageInitialized = PETSC_TRUE; | |
| 62 | /* Register Classes */ | ||
| 63 |
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10545 | PetscCall(PetscClassIdRegister("Direct Solver",&DS_CLASSID)); |
| 64 | /* Register Constructors */ | ||
| 65 |
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10545 | PetscCall(DSRegisterAll()); |
| 66 | /* Register Events */ | ||
| 67 |
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10545 | PetscCall(PetscLogEventRegister("DSSolve",DS_CLASSID,&DS_Solve)); |
| 68 |
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10545 | PetscCall(PetscLogEventRegister("DSVectors",DS_CLASSID,&DS_Vectors)); |
| 69 |
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10545 | PetscCall(PetscLogEventRegister("DSSynchronize",DS_CLASSID,&DS_Synchronize)); |
| 70 |
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10545 | PetscCall(PetscLogEventRegister("DSOther",DS_CLASSID,&DS_Other)); |
| 71 | /* Process Info */ | ||
| 72 | 10545 | classids[0] = DS_CLASSID; | |
| 73 |
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10545 | PetscCall(PetscInfoProcessClass("ds",1,&classids[0])); |
| 74 | /* Process summary exclusions */ | ||
| 75 |
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10545 | PetscCall(PetscOptionsGetString(NULL,NULL,"-log_exclude",logList,sizeof(logList),&opt)); |
| 76 |
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10545 | if (opt) { |
| 77 |
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84 | PetscCall(PetscStrInList("ds",logList,',',&pkg)); |
| 78 |
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84 | if (pkg) PetscCall(PetscLogEventDeactivateClass(DS_CLASSID)); |
| 79 | } | ||
| 80 | /* Register package finalizer */ | ||
| 81 |
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10545 | PetscCall(PetscRegisterFinalize(DSFinalizePackage)); |
| 82 |
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2052 | PetscFunctionReturn(PETSC_SUCCESS); |
| 83 | } | ||
| 84 | |||
| 85 | /*@ | ||
| 86 | DSCreate - Creates a DS context. | ||
| 87 | |||
| 88 | Collective | ||
| 89 | |||
| 90 | Input Parameter: | ||
| 91 | . comm - MPI communicator | ||
| 92 | |||
| 93 | Output Parameter: | ||
| 94 | . newds - location to put the DS context | ||
| 95 | |||
| 96 | Level: beginner | ||
| 97 | |||
| 98 | Note: | ||
| 99 | DS objects are not intended for normal users but only for | ||
| 100 | advanced user that for instance implement their own solvers. | ||
| 101 | |||
| 102 | .seealso: DSDestroy(), DS | ||
| 103 | @*/ | ||
| 104 | 12795 | PetscErrorCode DSCreate(MPI_Comm comm,DS *newds) | |
| 105 | { | ||
| 106 | 12795 | DS ds; | |
| 107 | 12795 | PetscInt i; | |
| 108 | |||
| 109 |
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12795 | PetscFunctionBegin; |
| 110 |
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12795 | PetscAssertPointer(newds,2); |
| 111 |
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12795 | PetscCall(DSInitializePackage()); |
| 112 |
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12795 | PetscCall(SlepcHeaderCreate(ds,DS_CLASSID,"DS","Direct Solver (or Dense System)","DS",comm,DSDestroy,DSView)); |
| 113 | |||
| 114 | 12795 | ds->state = DS_STATE_RAW; | |
| 115 | 12795 | ds->method = 0; | |
| 116 | 12795 | ds->compact = PETSC_FALSE; | |
| 117 | 12795 | ds->refined = PETSC_FALSE; | |
| 118 | 12795 | ds->extrarow = PETSC_FALSE; | |
| 119 | 12795 | ds->ld = 0; | |
| 120 | 12795 | ds->l = 0; | |
| 121 | 12795 | ds->n = 0; | |
| 122 | 12795 | ds->k = 0; | |
| 123 | 12795 | ds->t = 0; | |
| 124 | 12795 | ds->bs = 1; | |
| 125 | 12795 | ds->sc = NULL; | |
| 126 | 12795 | ds->pmode = DS_PARALLEL_REDUNDANT; | |
| 127 | |||
| 128 |
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294285 | for (i=0;i<DS_NUM_MAT;i++) ds->omat[i] = NULL; |
| 129 | 12795 | ds->perm = NULL; | |
| 130 | 12795 | ds->data = NULL; | |
| 131 | 12795 | ds->scset = PETSC_FALSE; | |
| 132 | 12795 | ds->work = NULL; | |
| 133 | 12795 | ds->rwork = NULL; | |
| 134 | 12795 | ds->iwork = NULL; | |
| 135 | 12795 | ds->lwork = 0; | |
| 136 | 12795 | ds->lrwork = 0; | |
| 137 | 12795 | ds->liwork = 0; | |
| 138 | |||
| 139 | 12795 | *newds = ds; | |
| 140 |
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12795 | PetscFunctionReturn(PETSC_SUCCESS); |
| 141 | } | ||
| 142 | |||
| 143 | /*@ | ||
| 144 | DSSetOptionsPrefix - Sets the prefix used for searching for all | ||
| 145 | DS options in the database. | ||
| 146 | |||
| 147 | Logically Collective | ||
| 148 | |||
| 149 | Input Parameters: | ||
| 150 | + ds - the direct solver context | ||
| 151 | - prefix - the prefix string to prepend to all DS option requests | ||
| 152 | |||
| 153 | Notes: | ||
| 154 | A hyphen (-) must NOT be given at the beginning of the prefix name. | ||
| 155 | The first character of all runtime options is AUTOMATICALLY the | ||
| 156 | hyphen. | ||
| 157 | |||
| 158 | Level: advanced | ||
| 159 | |||
| 160 | .seealso: DSAppendOptionsPrefix() | ||
| 161 | @*/ | ||
| 162 | 2467 | PetscErrorCode DSSetOptionsPrefix(DS ds,const char *prefix) | |
| 163 | { | ||
| 164 |
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2467 | PetscFunctionBegin; |
| 165 |
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2467 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 166 |
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2467 | PetscCall(PetscObjectSetOptionsPrefix((PetscObject)ds,prefix)); |
| 167 |
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472 | PetscFunctionReturn(PETSC_SUCCESS); |
| 168 | } | ||
| 169 | |||
| 170 | /*@ | ||
| 171 | DSAppendOptionsPrefix - Appends to the prefix used for searching for all | ||
| 172 | DS options in the database. | ||
| 173 | |||
| 174 | Logically Collective | ||
| 175 | |||
| 176 | Input Parameters: | ||
| 177 | + ds - the direct solver context | ||
| 178 | - prefix - the prefix string to prepend to all DS option requests | ||
| 179 | |||
| 180 | Notes: | ||
| 181 | A hyphen (-) must NOT be given at the beginning of the prefix name. | ||
| 182 | The first character of all runtime options is AUTOMATICALLY the hyphen. | ||
| 183 | |||
| 184 | Level: advanced | ||
| 185 | |||
| 186 | .seealso: DSSetOptionsPrefix() | ||
| 187 | @*/ | ||
| 188 | 1974 | PetscErrorCode DSAppendOptionsPrefix(DS ds,const char *prefix) | |
| 189 | { | ||
| 190 |
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1974 | PetscFunctionBegin; |
| 191 |
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1974 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 192 |
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1974 | PetscCall(PetscObjectAppendOptionsPrefix((PetscObject)ds,prefix)); |
| 193 |
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390 | PetscFunctionReturn(PETSC_SUCCESS); |
| 194 | } | ||
| 195 | |||
| 196 | /*@ | ||
| 197 | DSGetOptionsPrefix - Gets the prefix used for searching for all | ||
| 198 | DS options in the database. | ||
| 199 | |||
| 200 | Not Collective | ||
| 201 | |||
| 202 | Input Parameters: | ||
| 203 | . ds - the direct solver context | ||
| 204 | |||
| 205 | Output Parameters: | ||
| 206 | . prefix - pointer to the prefix string used is returned | ||
| 207 | |||
| 208 | Note: | ||
| 209 | On the Fortran side, the user should pass in a string 'prefix' of | ||
| 210 | sufficient length to hold the prefix. | ||
| 211 | |||
| 212 | Level: advanced | ||
| 213 | |||
| 214 | .seealso: DSSetOptionsPrefix(), DSAppendOptionsPrefix() | ||
| 215 | @*/ | ||
| 216 | ✗ | PetscErrorCode DSGetOptionsPrefix(DS ds,const char *prefix[]) | |
| 217 | { | ||
| 218 | ✗ | PetscFunctionBegin; | |
| 219 | ✗ | PetscValidHeaderSpecific(ds,DS_CLASSID,1); | |
| 220 | ✗ | PetscAssertPointer(prefix,2); | |
| 221 | ✗ | PetscCall(PetscObjectGetOptionsPrefix((PetscObject)ds,prefix)); | |
| 222 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 223 | } | ||
| 224 | |||
| 225 | /*@ | ||
| 226 | DSSetType - Selects the type for the DS object. | ||
| 227 | |||
| 228 | Logically Collective | ||
| 229 | |||
| 230 | Input Parameters: | ||
| 231 | + ds - the direct solver context | ||
| 232 | - type - a known type | ||
| 233 | |||
| 234 | Level: intermediate | ||
| 235 | |||
| 236 | .seealso: DSGetType() | ||
| 237 | @*/ | ||
| 238 | 25672 | PetscErrorCode DSSetType(DS ds,DSType type) | |
| 239 | { | ||
| 240 | 25672 | PetscErrorCode (*r)(DS); | |
| 241 | 25672 | PetscBool match; | |
| 242 | |||
| 243 |
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25672 | PetscFunctionBegin; |
| 244 |
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25672 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 245 |
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25672 | PetscAssertPointer(type,2); |
| 246 | |||
| 247 |
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25672 | PetscCall(PetscObjectTypeCompare((PetscObject)ds,type,&match)); |
| 248 |
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25672 | if (match) PetscFunctionReturn(PETSC_SUCCESS); |
| 249 | |||
| 250 |
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16975 | PetscCall(PetscFunctionListFind(DSList,type,&r)); |
| 251 |
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16975 | PetscCheck(r,PetscObjectComm((PetscObject)ds),PETSC_ERR_ARG_UNKNOWN_TYPE,"Unable to find requested DS type %s",type); |
| 252 | |||
| 253 |
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16975 | PetscTryTypeMethod(ds,destroy); |
| 254 |
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16975 | PetscCall(DSReset(ds)); |
| 255 |
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16975 | PetscCall(PetscMemzero(ds->ops,sizeof(struct _DSOps))); |
| 256 | |||
| 257 |
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16975 | PetscCall(PetscObjectChangeTypeName((PetscObject)ds,type)); |
| 258 |
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16975 | PetscCall((*r)(ds)); |
| 259 |
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3289 | PetscFunctionReturn(PETSC_SUCCESS); |
| 260 | } | ||
| 261 | |||
| 262 | /*@ | ||
| 263 | DSGetType - Gets the DS type name (as a string) from the DS context. | ||
| 264 | |||
| 265 | Not Collective | ||
| 266 | |||
| 267 | Input Parameter: | ||
| 268 | . ds - the direct solver context | ||
| 269 | |||
| 270 | Output Parameter: | ||
| 271 | . type - name of the direct solver | ||
| 272 | |||
| 273 | Level: intermediate | ||
| 274 | |||
| 275 | .seealso: DSSetType() | ||
| 276 | @*/ | ||
| 277 | 20 | PetscErrorCode DSGetType(DS ds,DSType *type) | |
| 278 | { | ||
| 279 |
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20 | PetscFunctionBegin; |
| 280 |
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20 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 281 |
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20 | PetscAssertPointer(type,2); |
| 282 | 20 | *type = ((PetscObject)ds)->type_name; | |
| 283 |
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20 | PetscFunctionReturn(PETSC_SUCCESS); |
| 284 | } | ||
| 285 | |||
| 286 | /*@ | ||
| 287 | DSDuplicate - Creates a new direct solver object with the same options as | ||
| 288 | an existing one. | ||
| 289 | |||
| 290 | Collective | ||
| 291 | |||
| 292 | Input Parameter: | ||
| 293 | . ds - direct solver context | ||
| 294 | |||
| 295 | Output Parameter: | ||
| 296 | . dsnew - location to put the new DS | ||
| 297 | |||
| 298 | Notes: | ||
| 299 | DSDuplicate() DOES NOT COPY the matrices, and the new DS does not even have | ||
| 300 | internal arrays allocated. Use DSAllocate() to use the new DS. | ||
| 301 | |||
| 302 | The sorting criterion options are not copied, see DSSetSlepcSC(). | ||
| 303 | |||
| 304 | Level: intermediate | ||
| 305 | |||
| 306 | .seealso: DSCreate(), DSAllocate(), DSSetSlepcSC() | ||
| 307 | @*/ | ||
| 308 | ✗ | PetscErrorCode DSDuplicate(DS ds,DS *dsnew) | |
| 309 | { | ||
| 310 | ✗ | PetscFunctionBegin; | |
| 311 | ✗ | PetscValidHeaderSpecific(ds,DS_CLASSID,1); | |
| 312 | ✗ | PetscAssertPointer(dsnew,2); | |
| 313 | ✗ | PetscCall(DSCreate(PetscObjectComm((PetscObject)ds),dsnew)); | |
| 314 | ✗ | if (((PetscObject)ds)->type_name) PetscCall(DSSetType(*dsnew,((PetscObject)ds)->type_name)); | |
| 315 | ✗ | (*dsnew)->method = ds->method; | |
| 316 | ✗ | (*dsnew)->compact = ds->compact; | |
| 317 | ✗ | (*dsnew)->refined = ds->refined; | |
| 318 | ✗ | (*dsnew)->extrarow = ds->extrarow; | |
| 319 | ✗ | (*dsnew)->bs = ds->bs; | |
| 320 | ✗ | (*dsnew)->pmode = ds->pmode; | |
| 321 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 322 | } | ||
| 323 | |||
| 324 | /*@ | ||
| 325 | DSSetMethod - Selects the method to be used to solve the problem. | ||
| 326 | |||
| 327 | Logically Collective | ||
| 328 | |||
| 329 | Input Parameters: | ||
| 330 | + ds - the direct solver context | ||
| 331 | - meth - an index identifying the method | ||
| 332 | |||
| 333 | Options Database Key: | ||
| 334 | . -ds_method <meth> - Sets the method | ||
| 335 | |||
| 336 | Level: intermediate | ||
| 337 | |||
| 338 | .seealso: DSGetMethod() | ||
| 339 | @*/ | ||
| 340 | 679 | PetscErrorCode DSSetMethod(DS ds,PetscInt meth) | |
| 341 | { | ||
| 342 |
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679 | PetscFunctionBegin; |
| 343 |
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679 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 344 |
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679 | PetscValidLogicalCollectiveInt(ds,meth,2); |
| 345 |
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679 | PetscCheck(meth>=0,PetscObjectComm((PetscObject)ds),PETSC_ERR_ARG_OUTOFRANGE,"The method must be a non-negative integer"); |
| 346 |
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679 | PetscCheck(meth<=DS_MAX_SOLVE,PetscObjectComm((PetscObject)ds),PETSC_ERR_ARG_OUTOFRANGE,"Too large value for the method"); |
| 347 | 679 | ds->method = meth; | |
| 348 |
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679 | PetscFunctionReturn(PETSC_SUCCESS); |
| 349 | } | ||
| 350 | |||
| 351 | /*@ | ||
| 352 | DSGetMethod - Gets the method currently used in the DS. | ||
| 353 | |||
| 354 | Not Collective | ||
| 355 | |||
| 356 | Input Parameter: | ||
| 357 | . ds - the direct solver context | ||
| 358 | |||
| 359 | Output Parameter: | ||
| 360 | . meth - identifier of the method | ||
| 361 | |||
| 362 | Level: intermediate | ||
| 363 | |||
| 364 | .seealso: DSSetMethod() | ||
| 365 | @*/ | ||
| 366 | 227 | PetscErrorCode DSGetMethod(DS ds,PetscInt *meth) | |
| 367 | { | ||
| 368 |
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227 | PetscFunctionBegin; |
| 369 |
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227 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 370 |
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227 | PetscAssertPointer(meth,2); |
| 371 | 227 | *meth = ds->method; | |
| 372 |
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227 | PetscFunctionReturn(PETSC_SUCCESS); |
| 373 | } | ||
| 374 | |||
| 375 | /*@ | ||
| 376 | DSSetParallel - Selects the mode of operation in parallel runs. | ||
| 377 | |||
| 378 | Logically Collective | ||
| 379 | |||
| 380 | Input Parameters: | ||
| 381 | + ds - the direct solver context | ||
| 382 | - pmode - the parallel mode | ||
| 383 | |||
| 384 | Options Database Key: | ||
| 385 | . -ds_parallel <mode> - Sets the parallel mode, 'redundant', 'synchronized' | ||
| 386 | or 'distributed' | ||
| 387 | |||
| 388 | Notes: | ||
| 389 | In the 'redundant' parallel mode, all processes will make the computation | ||
| 390 | redundantly, starting from the same data, and producing the same result. | ||
| 391 | This result may be slightly different in the different processes if using a | ||
| 392 | multithreaded BLAS library, which may cause issues in ill-conditioned problems. | ||
| 393 | |||
| 394 | In the 'synchronized' parallel mode, only the first MPI process performs the | ||
| 395 | computation and then the computed quantities are broadcast to the other | ||
| 396 | processes in the communicator. This communication is not done automatically, | ||
| 397 | an explicit call to DSSynchronize() is required. | ||
| 398 | |||
| 399 | The 'distributed' parallel mode can be used in some DS types only, such | ||
| 400 | as the contour integral method of DSNEP. In this case, every MPI process | ||
| 401 | will be in charge of part of the computation. | ||
| 402 | |||
| 403 | Level: advanced | ||
| 404 | |||
| 405 | .seealso: DSSynchronize(), DSGetParallel() | ||
| 406 | @*/ | ||
| 407 | 837 | PetscErrorCode DSSetParallel(DS ds,DSParallelType pmode) | |
| 408 | { | ||
| 409 |
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837 | PetscFunctionBegin; |
| 410 |
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837 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 411 |
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837 | PetscValidLogicalCollectiveEnum(ds,pmode,2); |
| 412 | 837 | ds->pmode = pmode; | |
| 413 |
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837 | PetscFunctionReturn(PETSC_SUCCESS); |
| 414 | } | ||
| 415 | |||
| 416 | /*@ | ||
| 417 | DSGetParallel - Gets the mode of operation in parallel runs. | ||
| 418 | |||
| 419 | Not Collective | ||
| 420 | |||
| 421 | Input Parameter: | ||
| 422 | . ds - the direct solver context | ||
| 423 | |||
| 424 | Output Parameter: | ||
| 425 | . pmode - the parallel mode | ||
| 426 | |||
| 427 | Level: advanced | ||
| 428 | |||
| 429 | .seealso: DSSetParallel() | ||
| 430 | @*/ | ||
| 431 | 197 | PetscErrorCode DSGetParallel(DS ds,DSParallelType *pmode) | |
| 432 | { | ||
| 433 |
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197 | PetscFunctionBegin; |
| 434 |
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197 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 435 |
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197 | PetscAssertPointer(pmode,2); |
| 436 | 197 | *pmode = ds->pmode; | |
| 437 |
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197 | PetscFunctionReturn(PETSC_SUCCESS); |
| 438 | } | ||
| 439 | |||
| 440 | /*@ | ||
| 441 | DSSetCompact - Switch to compact storage of matrices. | ||
| 442 | |||
| 443 | Logically Collective | ||
| 444 | |||
| 445 | Input Parameters: | ||
| 446 | + ds - the direct solver context | ||
| 447 | - comp - a boolean flag | ||
| 448 | |||
| 449 | Notes: | ||
| 450 | Compact storage is used in some DS types such as DSHEP when the matrix | ||
| 451 | is tridiagonal. This flag can be used to indicate whether the user | ||
| 452 | provides the matrix entries via the compact form (the tridiagonal DS_MAT_T) | ||
| 453 | or the non-compact one (DS_MAT_A). | ||
| 454 | |||
| 455 | The default is PETSC_FALSE. | ||
| 456 | |||
| 457 | Level: advanced | ||
| 458 | |||
| 459 | .seealso: DSGetCompact() | ||
| 460 | @*/ | ||
| 461 | 6080 | PetscErrorCode DSSetCompact(DS ds,PetscBool comp) | |
| 462 | { | ||
| 463 |
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6080 | PetscFunctionBegin; |
| 464 |
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6080 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 465 |
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6080 | PetscValidLogicalCollectiveBool(ds,comp,2); |
| 466 |
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6080 | if (ds->compact != comp && ds->ld) PetscTryTypeMethod(ds,setcompact,comp); |
| 467 | 6080 | ds->compact = comp; | |
| 468 |
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6080 | PetscFunctionReturn(PETSC_SUCCESS); |
| 469 | } | ||
| 470 | |||
| 471 | /*@ | ||
| 472 | DSGetCompact - Gets the compact storage flag. | ||
| 473 | |||
| 474 | Not Collective | ||
| 475 | |||
| 476 | Input Parameter: | ||
| 477 | . ds - the direct solver context | ||
| 478 | |||
| 479 | Output Parameter: | ||
| 480 | . comp - the flag | ||
| 481 | |||
| 482 | Level: advanced | ||
| 483 | |||
| 484 | .seealso: DSSetCompact() | ||
| 485 | @*/ | ||
| 486 | 216 | PetscErrorCode DSGetCompact(DS ds,PetscBool *comp) | |
| 487 | { | ||
| 488 |
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216 | PetscFunctionBegin; |
| 489 |
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216 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 490 |
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216 | PetscAssertPointer(comp,2); |
| 491 | 216 | *comp = ds->compact; | |
| 492 |
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216 | PetscFunctionReturn(PETSC_SUCCESS); |
| 493 | } | ||
| 494 | |||
| 495 | /*@ | ||
| 496 | DSSetExtraRow - Sets a flag to indicate that the matrix has one extra | ||
| 497 | row. | ||
| 498 | |||
| 499 | Logically Collective | ||
| 500 | |||
| 501 | Input Parameters: | ||
| 502 | + ds - the direct solver context | ||
| 503 | - ext - a boolean flag | ||
| 504 | |||
| 505 | Notes: | ||
| 506 | In Krylov methods it is useful that the matrix representing the direct solver | ||
| 507 | has one extra row, i.e., has dimension (n+1) x n. If this flag is activated, all | ||
| 508 | transformations applied to the right of the matrix also affect this additional | ||
| 509 | row. In that case, (n+1) must be less or equal than the leading dimension. | ||
| 510 | |||
| 511 | The default is PETSC_FALSE. | ||
| 512 | |||
| 513 | Level: advanced | ||
| 514 | |||
| 515 | .seealso: DSSolve(), DSAllocate(), DSGetExtraRow() | ||
| 516 | @*/ | ||
| 517 | 9324 | PetscErrorCode DSSetExtraRow(DS ds,PetscBool ext) | |
| 518 | { | ||
| 519 |
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9324 | PetscFunctionBegin; |
| 520 |
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9324 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 521 |
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9324 | PetscValidLogicalCollectiveBool(ds,ext,2); |
| 522 |
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9324 | PetscCheck(!ext || ds->n==0 || ds->n!=ds->ld,PetscObjectComm((PetscObject)ds),PETSC_ERR_ORDER,"Cannot set extra row after setting n=ld"); |
| 523 | 9324 | ds->extrarow = ext; | |
| 524 |
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9324 | PetscFunctionReturn(PETSC_SUCCESS); |
| 525 | } | ||
| 526 | |||
| 527 | /*@ | ||
| 528 | DSGetExtraRow - Gets the extra row flag. | ||
| 529 | |||
| 530 | Not Collective | ||
| 531 | |||
| 532 | Input Parameter: | ||
| 533 | . ds - the direct solver context | ||
| 534 | |||
| 535 | Output Parameter: | ||
| 536 | . ext - the flag | ||
| 537 | |||
| 538 | Level: advanced | ||
| 539 | |||
| 540 | .seealso: DSSetExtraRow() | ||
| 541 | @*/ | ||
| 542 | 27536 | PetscErrorCode DSGetExtraRow(DS ds,PetscBool *ext) | |
| 543 | { | ||
| 544 |
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27536 | PetscFunctionBegin; |
| 545 |
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27536 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 546 |
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27536 | PetscAssertPointer(ext,2); |
| 547 | 27536 | *ext = ds->extrarow; | |
| 548 |
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27536 | PetscFunctionReturn(PETSC_SUCCESS); |
| 549 | } | ||
| 550 | |||
| 551 | /*@ | ||
| 552 | DSSetRefined - Sets a flag to indicate that refined vectors must be | ||
| 553 | computed. | ||
| 554 | |||
| 555 | Logically Collective | ||
| 556 | |||
| 557 | Input Parameters: | ||
| 558 | + ds - the direct solver context | ||
| 559 | - ref - a boolean flag | ||
| 560 | |||
| 561 | Notes: | ||
| 562 | Normally the vectors returned in DS_MAT_X are eigenvectors of the | ||
| 563 | projected matrix. With this flag activated, DSVectors() will return | ||
| 564 | the right singular vector of the smallest singular value of matrix | ||
| 565 | \tilde{A}-theta*I, where \tilde{A} is the extended (n+1)xn matrix | ||
| 566 | and theta is the Ritz value. This is used in the refined Ritz | ||
| 567 | approximation. | ||
| 568 | |||
| 569 | The default is PETSC_FALSE. | ||
| 570 | |||
| 571 | Level: advanced | ||
| 572 | |||
| 573 | .seealso: DSVectors(), DSGetRefined() | ||
| 574 | @*/ | ||
| 575 | 10 | PetscErrorCode DSSetRefined(DS ds,PetscBool ref) | |
| 576 | { | ||
| 577 |
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10 | PetscFunctionBegin; |
| 578 |
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10 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 579 |
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10 | PetscValidLogicalCollectiveBool(ds,ref,2); |
| 580 | 10 | ds->refined = ref; | |
| 581 |
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10 | PetscFunctionReturn(PETSC_SUCCESS); |
| 582 | } | ||
| 583 | |||
| 584 | /*@ | ||
| 585 | DSGetRefined - Gets the refined vectors flag. | ||
| 586 | |||
| 587 | Not Collective | ||
| 588 | |||
| 589 | Input Parameter: | ||
| 590 | . ds - the direct solver context | ||
| 591 | |||
| 592 | Output Parameter: | ||
| 593 | . ref - the flag | ||
| 594 | |||
| 595 | Level: advanced | ||
| 596 | |||
| 597 | .seealso: DSSetRefined() | ||
| 598 | @*/ | ||
| 599 | 54267 | PetscErrorCode DSGetRefined(DS ds,PetscBool *ref) | |
| 600 | { | ||
| 601 |
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54267 | PetscFunctionBegin; |
| 602 |
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54267 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 603 |
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54267 | PetscAssertPointer(ref,2); |
| 604 | 54267 | *ref = ds->refined; | |
| 605 |
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54267 | PetscFunctionReturn(PETSC_SUCCESS); |
| 606 | } | ||
| 607 | |||
| 608 | /*@ | ||
| 609 | DSSetBlockSize - Sets the block size. | ||
| 610 | |||
| 611 | Logically Collective | ||
| 612 | |||
| 613 | Input Parameters: | ||
| 614 | + ds - the direct solver context | ||
| 615 | - bs - the block size | ||
| 616 | |||
| 617 | Options Database Key: | ||
| 618 | . -ds_block_size <bs> - Sets the block size | ||
| 619 | |||
| 620 | Level: intermediate | ||
| 621 | |||
| 622 | .seealso: DSGetBlockSize() | ||
| 623 | @*/ | ||
| 624 | 10 | PetscErrorCode DSSetBlockSize(DS ds,PetscInt bs) | |
| 625 | { | ||
| 626 |
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10 | PetscFunctionBegin; |
| 627 |
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10 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 628 |
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10 | PetscValidLogicalCollectiveInt(ds,bs,2); |
| 629 |
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10 | PetscCheck(bs>0,PetscObjectComm((PetscObject)ds),PETSC_ERR_ARG_OUTOFRANGE,"The block size must be at least one"); |
| 630 | 10 | ds->bs = bs; | |
| 631 |
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10 | PetscFunctionReturn(PETSC_SUCCESS); |
| 632 | } | ||
| 633 | |||
| 634 | /*@ | ||
| 635 | DSGetBlockSize - Gets the block size. | ||
| 636 | |||
| 637 | Not Collective | ||
| 638 | |||
| 639 | Input Parameter: | ||
| 640 | . ds - the direct solver context | ||
| 641 | |||
| 642 | Output Parameter: | ||
| 643 | . bs - block size | ||
| 644 | |||
| 645 | Level: intermediate | ||
| 646 | |||
| 647 | .seealso: DSSetBlockSize() | ||
| 648 | @*/ | ||
| 649 | ✗ | PetscErrorCode DSGetBlockSize(DS ds,PetscInt *bs) | |
| 650 | { | ||
| 651 | ✗ | PetscFunctionBegin; | |
| 652 | ✗ | PetscValidHeaderSpecific(ds,DS_CLASSID,1); | |
| 653 | ✗ | PetscAssertPointer(bs,2); | |
| 654 | ✗ | *bs = ds->bs; | |
| 655 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 656 | } | ||
| 657 | |||
| 658 | /*@C | ||
| 659 | DSSetSlepcSC - Sets the sorting criterion context. | ||
| 660 | |||
| 661 | Logically Collective | ||
| 662 | |||
| 663 | Input Parameters: | ||
| 664 | + ds - the direct solver context | ||
| 665 | - sc - a pointer to the sorting criterion context | ||
| 666 | |||
| 667 | Note: | ||
| 668 | Not available in Fortran. | ||
| 669 | |||
| 670 | Level: developer | ||
| 671 | |||
| 672 | .seealso: DSGetSlepcSC(), DSSort() | ||
| 673 | @*/ | ||
| 674 | 10 | PetscErrorCode DSSetSlepcSC(DS ds,SlepcSC sc) | |
| 675 | { | ||
| 676 |
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10 | PetscFunctionBegin; |
| 677 |
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10 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 678 |
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10 | PetscAssertPointer(sc,2); |
| 679 |
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10 | if (ds->sc && !ds->scset) PetscCall(PetscFree(ds->sc)); |
| 680 | 10 | ds->sc = sc; | |
| 681 | 10 | ds->scset = PETSC_TRUE; | |
| 682 |
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10 | PetscFunctionReturn(PETSC_SUCCESS); |
| 683 | } | ||
| 684 | |||
| 685 | /*@C | ||
| 686 | DSGetSlepcSC - Gets the sorting criterion context. | ||
| 687 | |||
| 688 | Not Collective | ||
| 689 | |||
| 690 | Input Parameter: | ||
| 691 | . ds - the direct solver context | ||
| 692 | |||
| 693 | Output Parameter: | ||
| 694 | . sc - a pointer to the sorting criterion context | ||
| 695 | |||
| 696 | Note: | ||
| 697 | Not available in Fortran. | ||
| 698 | |||
| 699 | Level: developer | ||
| 700 | |||
| 701 | .seealso: DSSetSlepcSC(), DSSort() | ||
| 702 | @*/ | ||
| 703 | 16970 | PetscErrorCode DSGetSlepcSC(DS ds,SlepcSC *sc) | |
| 704 | { | ||
| 705 |
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16970 | PetscFunctionBegin; |
| 706 |
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16970 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 707 |
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16970 | PetscAssertPointer(sc,2); |
| 708 |
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16970 | if (!ds->sc) PetscCall(PetscNew(&ds->sc)); |
| 709 | 16970 | *sc = ds->sc; | |
| 710 |
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16970 | PetscFunctionReturn(PETSC_SUCCESS); |
| 711 | } | ||
| 712 | |||
| 713 | /*@ | ||
| 714 | DSSetFromOptions - Sets DS options from the options database. | ||
| 715 | |||
| 716 | Collective | ||
| 717 | |||
| 718 | Input Parameters: | ||
| 719 | . ds - the direct solver context | ||
| 720 | |||
| 721 | Notes: | ||
| 722 | To see all options, run your program with the -help option. | ||
| 723 | |||
| 724 | Level: beginner | ||
| 725 | |||
| 726 | .seealso: DSSetOptionsPrefix() | ||
| 727 | @*/ | ||
| 728 | 11956 | PetscErrorCode DSSetFromOptions(DS ds) | |
| 729 | { | ||
| 730 | 11956 | PetscInt bs,meth; | |
| 731 | 11956 | PetscBool flag; | |
| 732 | 11956 | DSParallelType pmode; | |
| 733 | |||
| 734 |
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11956 | PetscFunctionBegin; |
| 735 |
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11956 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 736 |
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11956 | PetscCall(DSRegisterAll()); |
| 737 | /* Set default type (we do not allow changing it with -ds_type) */ | ||
| 738 |
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11956 | if (!((PetscObject)ds)->type_name) PetscCall(DSSetType(ds,DSNHEP)); |
| 739 |
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35868 | PetscObjectOptionsBegin((PetscObject)ds); |
| 740 | |||
| 741 |
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11956 | PetscCall(PetscOptionsInt("-ds_block_size","Block size for the dense system solver","DSSetBlockSize",ds->bs,&bs,&flag)); |
| 742 |
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11956 | if (flag) PetscCall(DSSetBlockSize(ds,bs)); |
| 743 | |||
| 744 |
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11956 | PetscCall(PetscOptionsInt("-ds_method","Method to be used for the dense system","DSSetMethod",ds->method,&meth,&flag)); |
| 745 |
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11956 | if (flag) PetscCall(DSSetMethod(ds,meth)); |
| 746 | |||
| 747 |
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11956 | PetscCall(PetscOptionsEnum("-ds_parallel","Operation mode in parallel runs","DSSetParallel",DSParallelTypes,(PetscEnum)ds->pmode,(PetscEnum*)&pmode,&flag)); |
| 748 |
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11956 | if (flag) PetscCall(DSSetParallel(ds,pmode)); |
| 749 | |||
| 750 |
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11956 | PetscTryTypeMethod(ds,setfromoptions,PetscOptionsObject); |
| 751 |
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11956 | PetscCall(PetscObjectProcessOptionsHandlers((PetscObject)ds,PetscOptionsObject)); |
| 752 |
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11956 | PetscOptionsEnd(); |
| 753 |
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|
11956 | PetscFunctionReturn(PETSC_SUCCESS); |
| 754 | } | ||
| 755 | |||
| 756 | /*@ | ||
| 757 | DSView - Prints the DS data structure. | ||
| 758 | |||
| 759 | Collective | ||
| 760 | |||
| 761 | Input Parameters: | ||
| 762 | + ds - the direct solver context | ||
| 763 | - viewer - optional visualization context | ||
| 764 | |||
| 765 | Note: | ||
| 766 | The available visualization contexts include | ||
| 767 | + PETSC_VIEWER_STDOUT_SELF - standard output (default) | ||
| 768 | - PETSC_VIEWER_STDOUT_WORLD - synchronized standard | ||
| 769 | output where only the first processor opens | ||
| 770 | the file. All other processors send their | ||
| 771 | data to the first processor to print. | ||
| 772 | |||
| 773 | The user can open an alternative visualization context with | ||
| 774 | PetscViewerASCIIOpen() - output to a specified file. | ||
| 775 | |||
| 776 | Level: beginner | ||
| 777 | |||
| 778 | .seealso: DSViewMat() | ||
| 779 | @*/ | ||
| 780 | 1243 | PetscErrorCode DSView(DS ds,PetscViewer viewer) | |
| 781 | { | ||
| 782 | 1243 | PetscBool isascii; | |
| 783 | 1243 | PetscViewerFormat format; | |
| 784 | 1243 | PetscMPIInt size; | |
| 785 | |||
| 786 |
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1243 | PetscFunctionBegin; |
| 787 |
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1243 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 788 |
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1243 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)ds),&viewer)); |
| 789 |
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1243 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); |
| 790 |
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1243 | PetscCheckSameComm(ds,1,viewer,2); |
| 791 |
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1243 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); |
| 792 |
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1243 | if (isascii) { |
| 793 |
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1243 | PetscCall(PetscViewerGetFormat(viewer,&format)); |
| 794 |
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1243 | PetscCall(PetscObjectPrintClassNamePrefixType((PetscObject)ds,viewer)); |
| 795 |
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1243 | PetscCallMPI(MPI_Comm_size(PetscObjectComm((PetscObject)ds),&size)); |
| 796 |
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1243 | if (size>1) PetscCall(PetscViewerASCIIPrintf(viewer," parallel operation mode: %s\n",DSParallelTypes[ds->pmode])); |
| 797 |
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1243 | if (format == PETSC_VIEWER_ASCII_INFO_DETAIL) { |
| 798 |
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655 | PetscCall(PetscViewerASCIIPrintf(viewer," current state: %s\n",DSStateTypes[ds->state])); |
| 799 |
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655 | PetscCall(PetscViewerASCIIPrintf(viewer," dimensions: ld=%" PetscInt_FMT ", n=%" PetscInt_FMT ", l=%" PetscInt_FMT ", k=%" PetscInt_FMT,ds->ld,ds->n,ds->l,ds->k)); |
| 800 |
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655 | if (ds->state==DS_STATE_TRUNCATED) PetscCall(PetscViewerASCIIPrintf(viewer,", t=%" PetscInt_FMT "\n",ds->t)); |
| 801 |
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655 | else PetscCall(PetscViewerASCIIPrintf(viewer,"\n")); |
| 802 |
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2170 | PetscCall(PetscViewerASCIIPrintf(viewer," flags:%s%s%s\n",ds->compact?" compact":"",ds->extrarow?" extrarow":"",ds->refined?" refined":"")); |
| 803 | } | ||
| 804 |
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1243 | PetscCall(PetscViewerASCIIPushTab(viewer)); |
| 805 |
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1243 | PetscTryTypeMethod(ds,view,viewer); |
| 806 |
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1243 | PetscCall(PetscViewerASCIIPopTab(viewer)); |
| 807 | } | ||
| 808 |
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|
245 | PetscFunctionReturn(PETSC_SUCCESS); |
| 809 | } | ||
| 810 | |||
| 811 | /*@ | ||
| 812 | DSViewFromOptions - View from options | ||
| 813 | |||
| 814 | Collective | ||
| 815 | |||
| 816 | Input Parameters: | ||
| 817 | + ds - the direct solver context | ||
| 818 | . obj - optional object | ||
| 819 | - name - command line option | ||
| 820 | |||
| 821 | Level: intermediate | ||
| 822 | |||
| 823 | .seealso: DSView(), DSCreate() | ||
| 824 | @*/ | ||
| 825 | 15 | PetscErrorCode DSViewFromOptions(DS ds,PetscObject obj,const char name[]) | |
| 826 | { | ||
| 827 |
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15 | PetscFunctionBegin; |
| 828 |
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15 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 829 |
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15 | PetscCall(PetscObjectViewFromOptions((PetscObject)ds,obj,name)); |
| 830 |
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3 | PetscFunctionReturn(PETSC_SUCCESS); |
| 831 | } | ||
| 832 | |||
| 833 | /*@ | ||
| 834 | DSAllocate - Allocates memory for internal storage or matrices in DS. | ||
| 835 | |||
| 836 | Logically Collective | ||
| 837 | |||
| 838 | Input Parameters: | ||
| 839 | + ds - the direct solver context | ||
| 840 | - ld - leading dimension (maximum allowed dimension for the matrices, including | ||
| 841 | the extra row if present) | ||
| 842 | |||
| 843 | Note: | ||
| 844 | If the leading dimension is different from a previously set value, then | ||
| 845 | all matrices are destroyed with DSReset(). | ||
| 846 | |||
| 847 | Level: intermediate | ||
| 848 | |||
| 849 | .seealso: DSGetLeadingDimension(), DSSetDimensions(), DSSetExtraRow(), DSReset(), DSReallocate() | ||
| 850 | @*/ | ||
| 851 | 15011 | PetscErrorCode DSAllocate(DS ds,PetscInt ld) | |
| 852 | { | ||
| 853 |
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15011 | PetscFunctionBegin; |
| 854 |
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15011 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 855 |
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15011 | PetscValidLogicalCollectiveInt(ds,ld,2); |
| 856 |
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15011 | PetscValidType(ds,1); |
| 857 |
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15011 | PetscCheck(ld>0,PetscObjectComm((PetscObject)ds),PETSC_ERR_ARG_OUTOFRANGE,"Leading dimension should be at least one"); |
| 858 |
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15011 | if (ld!=ds->ld) { |
| 859 |
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11645 | PetscCall(PetscInfo(ds,"Allocating memory with leading dimension=%" PetscInt_FMT "\n",ld)); |
| 860 |
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11645 | PetscCall(DSReset(ds)); |
| 861 | 11645 | ds->ld = ld; | |
| 862 |
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11645 | PetscUseTypeMethod(ds,allocate,ld); |
| 863 | } | ||
| 864 |
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2890 | PetscFunctionReturn(PETSC_SUCCESS); |
| 865 | } | ||
| 866 | |||
| 867 | /*@ | ||
| 868 | DSReallocate - Reallocates memory for internal storage or matrices in DS, | ||
| 869 | keeping the previously set data. | ||
| 870 | |||
| 871 | Logically Collective | ||
| 872 | |||
| 873 | Input Parameters: | ||
| 874 | + ds - the direct solver context | ||
| 875 | - ld - new leading dimension | ||
| 876 | |||
| 877 | Notes: | ||
| 878 | The new leading dimension must be larger than the previous one. The relevant | ||
| 879 | data previously set is copied over to the new data structures. | ||
| 880 | |||
| 881 | This operation is not available in all DS types. | ||
| 882 | |||
| 883 | Level: developer | ||
| 884 | |||
| 885 | .seealso: DSAllocate() | ||
| 886 | @*/ | ||
| 887 | 112 | PetscErrorCode DSReallocate(DS ds,PetscInt ld) | |
| 888 | { | ||
| 889 |
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112 | PetscFunctionBegin; |
| 890 |
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112 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 891 |
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112 | PetscValidLogicalCollectiveInt(ds,ld,2); |
| 892 |
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112 | PetscValidType(ds,1); |
| 893 |
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112 | PetscCheck(ds->ld,PetscObjectComm((PetscObject)ds),PETSC_ERR_ORDER,"DSAllocate() must be called first"); |
| 894 |
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112 | PetscCheck(ld>ds->ld,PetscObjectComm((PetscObject)ds),PETSC_ERR_ARG_OUTOFRANGE,"New leading dimension %" PetscInt_FMT " must be larger than the previous one %" PetscInt_FMT,ld,ds->ld); |
| 895 |
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112 | PetscCall(PetscInfo(ds,"Reallocating memory with new leading dimension=%" PetscInt_FMT "\n",ld)); |
| 896 |
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112 | PetscUseTypeMethod(ds,reallocate,ld); |
| 897 | 112 | ds->ld = ld; | |
| 898 |
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112 | PetscFunctionReturn(PETSC_SUCCESS); |
| 899 | } | ||
| 900 | |||
| 901 | /*@ | ||
| 902 | DSReset - Resets the DS context to the initial state. | ||
| 903 | |||
| 904 | Collective | ||
| 905 | |||
| 906 | Input Parameter: | ||
| 907 | . ds - the direct solver context | ||
| 908 | |||
| 909 | Note: | ||
| 910 | All data structures with size depending on the leading dimension | ||
| 911 | of DSAllocate() are released. | ||
| 912 | |||
| 913 | Level: advanced | ||
| 914 | |||
| 915 | .seealso: DSDestroy(), DSAllocate() | ||
| 916 | @*/ | ||
| 917 | 41651 | PetscErrorCode DSReset(DS ds) | |
| 918 | { | ||
| 919 | 41651 | PetscInt i; | |
| 920 | |||
| 921 |
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41651 | PetscFunctionBegin; |
| 922 |
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41651 | if (ds) PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 923 |
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37588 | if (!ds) PetscFunctionReturn(PETSC_SUCCESS); |
| 924 | 41651 | ds->state = DS_STATE_RAW; | |
| 925 | 41651 | ds->ld = 0; | |
| 926 | 41651 | ds->l = 0; | |
| 927 | 41651 | ds->n = 0; | |
| 928 | 41651 | ds->k = 0; | |
| 929 |
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957973 | for (i=0;i<DS_NUM_MAT;i++) PetscCall(MatDestroy(&ds->omat[i])); |
| 930 |
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41651 | PetscCall(PetscFree(ds->perm)); |
| 931 |
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8080 | PetscFunctionReturn(PETSC_SUCCESS); |
| 932 | } | ||
| 933 | |||
| 934 | /*@ | ||
| 935 | DSDestroy - Destroys DS context that was created with DSCreate(). | ||
| 936 | |||
| 937 | Collective | ||
| 938 | |||
| 939 | Input Parameter: | ||
| 940 | . ds - the direct solver context | ||
| 941 | |||
| 942 | Level: beginner | ||
| 943 | |||
| 944 | .seealso: DSCreate() | ||
| 945 | @*/ | ||
| 946 | 13790 | PetscErrorCode DSDestroy(DS *ds) | |
| 947 | { | ||
| 948 |
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13790 | PetscFunctionBegin; |
| 949 |
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13790 | if (!*ds) PetscFunctionReturn(PETSC_SUCCESS); |
| 950 |
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12795 | PetscValidHeaderSpecific(*ds,DS_CLASSID,1); |
| 951 |
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12795 | if (--((PetscObject)*ds)->refct > 0) { *ds = NULL; PetscFunctionReturn(PETSC_SUCCESS); } |
| 952 |
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12795 | PetscCall(DSReset(*ds)); |
| 953 |
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12795 | PetscTryTypeMethod(*ds,destroy); |
| 954 |
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12795 | PetscCall(PetscFree((*ds)->work)); |
| 955 |
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12795 | PetscCall(PetscFree((*ds)->rwork)); |
| 956 |
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12795 | PetscCall(PetscFree((*ds)->iwork)); |
| 957 |
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12795 | if (!(*ds)->scset) PetscCall(PetscFree((*ds)->sc)); |
| 958 |
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12795 | PetscCall(PetscHeaderDestroy(ds)); |
| 959 |
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2482 | PetscFunctionReturn(PETSC_SUCCESS); |
| 960 | } | ||
| 961 | |||
| 962 | /*@C | ||
| 963 | DSRegister - Adds a direct solver to the DS package. | ||
| 964 | |||
| 965 | Not Collective | ||
| 966 | |||
| 967 | Input Parameters: | ||
| 968 | + name - name of a new user-defined DS | ||
| 969 | - function - routine to create context | ||
| 970 | |||
| 971 | Note: | ||
| 972 | DSRegister() may be called multiple times to add several user-defined | ||
| 973 | direct solvers. | ||
| 974 | |||
| 975 | Level: advanced | ||
| 976 | |||
| 977 | .seealso: DSRegisterAll() | ||
| 978 | @*/ | ||
| 979 | 115995 | PetscErrorCode DSRegister(const char *name,PetscErrorCode (*function)(DS)) | |
| 980 | { | ||
| 981 |
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115995 | PetscFunctionBegin; |
| 982 |
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115995 | PetscCall(DSInitializePackage()); |
| 983 |
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115995 | PetscCall(PetscFunctionListAdd(&DSList,name,function)); |
| 984 |
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22572 | PetscFunctionReturn(PETSC_SUCCESS); |
| 985 | } | ||
| 986 | |||
| 987 | SLEPC_EXTERN PetscErrorCode DSCreate_HEP(DS); | ||
| 988 | SLEPC_EXTERN PetscErrorCode DSCreate_NHEP(DS); | ||
| 989 | SLEPC_EXTERN PetscErrorCode DSCreate_GHEP(DS); | ||
| 990 | SLEPC_EXTERN PetscErrorCode DSCreate_GHIEP(DS); | ||
| 991 | SLEPC_EXTERN PetscErrorCode DSCreate_GNHEP(DS); | ||
| 992 | SLEPC_EXTERN PetscErrorCode DSCreate_NHEPTS(DS); | ||
| 993 | SLEPC_EXTERN PetscErrorCode DSCreate_SVD(DS); | ||
| 994 | SLEPC_EXTERN PetscErrorCode DSCreate_HSVD(DS); | ||
| 995 | SLEPC_EXTERN PetscErrorCode DSCreate_GSVD(DS); | ||
| 996 | SLEPC_EXTERN PetscErrorCode DSCreate_PEP(DS); | ||
| 997 | SLEPC_EXTERN PetscErrorCode DSCreate_NEP(DS); | ||
| 998 | |||
| 999 | /*@C | ||
| 1000 | DSRegisterAll - Registers all of the direct solvers in the DS package. | ||
| 1001 | |||
| 1002 | Not Collective | ||
| 1003 | |||
| 1004 | Level: advanced | ||
| 1005 | |||
| 1006 | .seealso: DSRegister() | ||
| 1007 | @*/ | ||
| 1008 | 22501 | PetscErrorCode DSRegisterAll(void) | |
| 1009 | { | ||
| 1010 |
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22501 | PetscFunctionBegin; |
| 1011 |
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22501 | if (DSRegisterAllCalled) PetscFunctionReturn(PETSC_SUCCESS); |
| 1012 | 10545 | DSRegisterAllCalled = PETSC_TRUE; | |
| 1013 |
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10545 | PetscCall(DSRegister(DSHEP,DSCreate_HEP)); |
| 1014 |
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10545 | PetscCall(DSRegister(DSNHEP,DSCreate_NHEP)); |
| 1015 |
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10545 | PetscCall(DSRegister(DSGHEP,DSCreate_GHEP)); |
| 1016 |
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10545 | PetscCall(DSRegister(DSGHIEP,DSCreate_GHIEP)); |
| 1017 |
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10545 | PetscCall(DSRegister(DSGNHEP,DSCreate_GNHEP)); |
| 1018 |
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10545 | PetscCall(DSRegister(DSNHEPTS,DSCreate_NHEPTS)); |
| 1019 |
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10545 | PetscCall(DSRegister(DSSVD,DSCreate_SVD)); |
| 1020 |
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10545 | PetscCall(DSRegister(DSHSVD,DSCreate_HSVD)); |
| 1021 |
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10545 | PetscCall(DSRegister(DSGSVD,DSCreate_GSVD)); |
| 1022 |
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10545 | PetscCall(DSRegister(DSPEP,DSCreate_PEP)); |
| 1023 |
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10545 | PetscCall(DSRegister(DSNEP,DSCreate_NEP)); |
| 1024 |
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2052 | PetscFunctionReturn(PETSC_SUCCESS); |
| 1025 | } | ||
| 1026 |