| 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 | /*@ | ||
| 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: [](sec:ds), `SlepcFinalize()`, `DSInitializePackage()` | ||
| 34 | @*/ | ||
| 35 | 11228 | PetscErrorCode DSFinalizePackage(void) | |
| 36 | { | ||
| 37 |
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11228 | PetscFunctionBegin; |
| 38 |
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11228 | PetscCall(PetscFunctionListDestroy(&DSList)); |
| 39 | 11228 | DSPackageInitialized = PETSC_FALSE; | |
| 40 | 11228 | DSRegisterAllCalled = PETSC_FALSE; | |
| 41 |
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11228 | PetscFunctionReturn(PETSC_SUCCESS); |
| 42 | } | ||
| 43 | |||
| 44 | /*@ | ||
| 45 | DSInitializePackage - This function initializes everything in the `DS` package. | ||
| 46 | It is called from `PetscDLLibraryRegister_slepc()` when using dynamic libraries, and | ||
| 47 | on the first call to `DSCreate()` when using shared or static libraries. | ||
| 48 | |||
| 49 | Note: | ||
| 50 | This function never needs to be called by SLEPc users. | ||
| 51 | |||
| 52 | Level: developer | ||
| 53 | |||
| 54 | .seealso: [](sec:ds), `DS`, `SlepcInitialize()`, `DSFinalizePackage()` | ||
| 55 | @*/ | ||
| 56 | 137055 | PetscErrorCode DSInitializePackage(void) | |
| 57 | { | ||
| 58 | 137055 | char logList[256]; | |
| 59 | 137055 | PetscBool opt,pkg; | |
| 60 | 137055 | PetscClassId classids[1]; | |
| 61 | |||
| 62 |
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137055 | PetscFunctionBegin; |
| 63 |
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137055 | if (DSPackageInitialized) PetscFunctionReturn(PETSC_SUCCESS); |
| 64 | 11228 | DSPackageInitialized = PETSC_TRUE; | |
| 65 | /* Register Classes */ | ||
| 66 |
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11228 | PetscCall(PetscClassIdRegister("Direct Solver",&DS_CLASSID)); |
| 67 | /* Register Constructors */ | ||
| 68 |
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11228 | PetscCall(DSRegisterAll()); |
| 69 | /* Register Events */ | ||
| 70 |
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11228 | PetscCall(PetscLogEventRegister("DSSolve",DS_CLASSID,&DS_Solve)); |
| 71 |
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11228 | PetscCall(PetscLogEventRegister("DSVectors",DS_CLASSID,&DS_Vectors)); |
| 72 |
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11228 | PetscCall(PetscLogEventRegister("DSSynchronize",DS_CLASSID,&DS_Synchronize)); |
| 73 |
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11228 | PetscCall(PetscLogEventRegister("DSOther",DS_CLASSID,&DS_Other)); |
| 74 | /* Process Info */ | ||
| 75 | 11228 | classids[0] = DS_CLASSID; | |
| 76 |
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11228 | PetscCall(PetscInfoProcessClass("ds",1,&classids[0])); |
| 77 | /* Process summary exclusions */ | ||
| 78 |
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11228 | PetscCall(PetscOptionsGetString(NULL,NULL,"-log_exclude",logList,sizeof(logList),&opt)); |
| 79 |
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11228 | if (opt) { |
| 80 |
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84 | PetscCall(PetscStrInList("ds",logList,',',&pkg)); |
| 81 |
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84 | if (pkg) PetscCall(PetscLogEventDeactivateClass(DS_CLASSID)); |
| 82 | } | ||
| 83 | /* Register package finalizer */ | ||
| 84 |
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11228 | PetscCall(PetscRegisterFinalize(DSFinalizePackage)); |
| 85 |
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2174 | PetscFunctionReturn(PETSC_SUCCESS); |
| 86 | } | ||
| 87 | |||
| 88 | /*@ | ||
| 89 | DSCreate - Creates a `DS` context. | ||
| 90 | |||
| 91 | Collective | ||
| 92 | |||
| 93 | Input Parameter: | ||
| 94 | . comm - MPI communicator | ||
| 95 | |||
| 96 | Output Parameter: | ||
| 97 | . newds - location to put the `DS` context | ||
| 98 | |||
| 99 | Level: beginner | ||
| 100 | |||
| 101 | Note: | ||
| 102 | `DS` objects are not intended for normal users but only for | ||
| 103 | advanced user that for instance implement their own solvers. | ||
| 104 | |||
| 105 | .seealso: [](sec:ds), `DSDestroy()`, `DS` | ||
| 106 | @*/ | ||
| 107 | 13500 | PetscErrorCode DSCreate(MPI_Comm comm,DS *newds) | |
| 108 | { | ||
| 109 | 13500 | DS ds; | |
| 110 | 13500 | PetscInt i; | |
| 111 | |||
| 112 |
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13500 | PetscFunctionBegin; |
| 113 |
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13500 | PetscAssertPointer(newds,2); |
| 114 |
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13500 | PetscCall(DSInitializePackage()); |
| 115 |
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13500 | PetscCall(SlepcHeaderCreate(ds,DS_CLASSID,"DS","Direct Solver (or Dense System)","DS",comm,DSDestroy,DSView)); |
| 116 | |||
| 117 | 13500 | ds->state = DS_STATE_RAW; | |
| 118 | 13500 | ds->method = 0; | |
| 119 | 13500 | ds->compact = PETSC_FALSE; | |
| 120 | 13500 | ds->refined = PETSC_FALSE; | |
| 121 | 13500 | ds->extrarow = PETSC_FALSE; | |
| 122 | 13500 | ds->ld = 0; | |
| 123 | 13500 | ds->l = 0; | |
| 124 | 13500 | ds->n = 0; | |
| 125 | 13500 | ds->k = 0; | |
| 126 | 13500 | ds->t = 0; | |
| 127 | 13500 | ds->bs = 1; | |
| 128 | 13500 | ds->sc = NULL; | |
| 129 | 13500 | ds->pmode = DS_PARALLEL_REDUNDANT; | |
| 130 | |||
| 131 |
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310500 | for (i=0;i<DS_NUM_MAT;i++) ds->omat[i] = NULL; |
| 132 | 13500 | ds->perm = NULL; | |
| 133 | 13500 | ds->data = NULL; | |
| 134 | 13500 | ds->scset = PETSC_FALSE; | |
| 135 | 13500 | ds->work = NULL; | |
| 136 | 13500 | ds->rwork = NULL; | |
| 137 | 13500 | ds->work_alloc = NULL; | |
| 138 | 13500 | ds->rwork_alloc = NULL; | |
| 139 | 13500 | ds->iwork = NULL; | |
| 140 | 13500 | ds->lwork = 0; | |
| 141 | 13500 | ds->lrwork = 0; | |
| 142 | 13500 | ds->liwork = 0; | |
| 143 | |||
| 144 | 13500 | *newds = ds; | |
| 145 |
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13500 | PetscFunctionReturn(PETSC_SUCCESS); |
| 146 | } | ||
| 147 | |||
| 148 | /*@ | ||
| 149 | DSSetOptionsPrefix - Sets the prefix used for searching for all | ||
| 150 | `DS` options in the database. | ||
| 151 | |||
| 152 | Logically Collective | ||
| 153 | |||
| 154 | Input Parameters: | ||
| 155 | + ds - the direct solver context | ||
| 156 | - prefix - the prefix string to prepend to all `DS` option requests | ||
| 157 | |||
| 158 | Notes: | ||
| 159 | A hyphen (-) must NOT be given at the beginning of the prefix name. | ||
| 160 | The first character of all runtime options is AUTOMATICALLY the | ||
| 161 | hyphen. | ||
| 162 | |||
| 163 | Level: advanced | ||
| 164 | |||
| 165 | .seealso: [](sec:ds), `DSAppendOptionsPrefix()` | ||
| 166 | @*/ | ||
| 167 | 2487 | PetscErrorCode DSSetOptionsPrefix(DS ds,const char prefix[]) | |
| 168 | { | ||
| 169 |
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2487 | PetscFunctionBegin; |
| 170 |
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2487 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 171 |
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2487 | PetscCall(PetscObjectSetOptionsPrefix((PetscObject)ds,prefix)); |
| 172 |
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478 | PetscFunctionReturn(PETSC_SUCCESS); |
| 173 | } | ||
| 174 | |||
| 175 | /*@ | ||
| 176 | DSAppendOptionsPrefix - Appends to the prefix used for searching for all | ||
| 177 | `DS` options in the database. | ||
| 178 | |||
| 179 | Logically Collective | ||
| 180 | |||
| 181 | Input Parameters: | ||
| 182 | + ds - the direct solver context | ||
| 183 | - prefix - the prefix string to prepend to all DS option requests | ||
| 184 | |||
| 185 | Notes: | ||
| 186 | A hyphen (-) must NOT be given at the beginning of the prefix name. | ||
| 187 | The first character of all runtime options is AUTOMATICALLY the hyphen. | ||
| 188 | |||
| 189 | Level: advanced | ||
| 190 | |||
| 191 | .seealso: [](sec:ds), `DSSetOptionsPrefix()` | ||
| 192 | @*/ | ||
| 193 | 1994 | PetscErrorCode DSAppendOptionsPrefix(DS ds,const char prefix[]) | |
| 194 | { | ||
| 195 |
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1994 | PetscFunctionBegin; |
| 196 |
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1994 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 197 |
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1994 | PetscCall(PetscObjectAppendOptionsPrefix((PetscObject)ds,prefix)); |
| 198 |
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396 | PetscFunctionReturn(PETSC_SUCCESS); |
| 199 | } | ||
| 200 | |||
| 201 | /*@ | ||
| 202 | DSGetOptionsPrefix - Gets the prefix used for searching for all | ||
| 203 | `DS` options in the database. | ||
| 204 | |||
| 205 | Not Collective | ||
| 206 | |||
| 207 | Input Parameter: | ||
| 208 | . ds - the direct solver context | ||
| 209 | |||
| 210 | Output Parameter: | ||
| 211 | . prefix - pointer to the prefix string used is returned | ||
| 212 | |||
| 213 | Level: advanced | ||
| 214 | |||
| 215 | .seealso: [](sec:ds), `DSSetOptionsPrefix()`, `DSAppendOptionsPrefix()` | ||
| 216 | @*/ | ||
| 217 | ✗ | PetscErrorCode DSGetOptionsPrefix(DS ds,const char *prefix[]) | |
| 218 | { | ||
| 219 | ✗ | PetscFunctionBegin; | |
| 220 | ✗ | PetscValidHeaderSpecific(ds,DS_CLASSID,1); | |
| 221 | ✗ | PetscAssertPointer(prefix,2); | |
| 222 | ✗ | PetscCall(PetscObjectGetOptionsPrefix((PetscObject)ds,prefix)); | |
| 223 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 224 | } | ||
| 225 | |||
| 226 | /*@ | ||
| 227 | DSSetType - Selects the type for the DS object. | ||
| 228 | |||
| 229 | Logically Collective | ||
| 230 | |||
| 231 | Input Parameters: | ||
| 232 | + ds - the direct solver context | ||
| 233 | - type - a known type | ||
| 234 | |||
| 235 | Level: intermediate | ||
| 236 | |||
| 237 | .seealso: [](sec:ds), `DSGetType()` | ||
| 238 | @*/ | ||
| 239 | 28024 | PetscErrorCode DSSetType(DS ds,DSType type) | |
| 240 | { | ||
| 241 | 28024 | PetscErrorCode (*r)(DS); | |
| 242 | 28024 | PetscBool match; | |
| 243 | |||
| 244 |
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28024 | PetscFunctionBegin; |
| 245 |
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28024 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 246 |
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28024 | PetscAssertPointer(type,2); |
| 247 | |||
| 248 |
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28024 | PetscCall(PetscObjectTypeCompare((PetscObject)ds,type,&match)); |
| 249 |
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28024 | if (match) PetscFunctionReturn(PETSC_SUCCESS); |
| 250 | |||
| 251 |
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18281 | PetscCall(PetscFunctionListFind(DSList,type,&r)); |
| 252 |
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18281 | PetscCheck(r,PetscObjectComm((PetscObject)ds),PETSC_ERR_ARG_UNKNOWN_TYPE,"Unable to find requested DS type %s",type); |
| 253 | |||
| 254 |
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18281 | PetscTryTypeMethod(ds,destroy); |
| 255 |
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18281 | PetscCall(DSReset(ds)); |
| 256 |
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18281 | PetscCall(PetscMemzero(ds->ops,sizeof(struct _DSOps))); |
| 257 | |||
| 258 |
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18281 | PetscCall(PetscObjectChangeTypeName((PetscObject)ds,type)); |
| 259 |
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18281 | PetscCall((*r)(ds)); |
| 260 |
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3519 | PetscFunctionReturn(PETSC_SUCCESS); |
| 261 | } | ||
| 262 | |||
| 263 | /*@ | ||
| 264 | DSGetType - Gets the `DS` type name (as a string) from the `DS` context. | ||
| 265 | |||
| 266 | Not Collective | ||
| 267 | |||
| 268 | Input Parameter: | ||
| 269 | . ds - the direct solver context | ||
| 270 | |||
| 271 | Output Parameter: | ||
| 272 | . type - name of the direct solver | ||
| 273 | |||
| 274 | Note: | ||
| 275 | `type` should not be retained for later use as it will be an invalid pointer | ||
| 276 | if the `DSType` of `ds` is changed. | ||
| 277 | |||
| 278 | Level: intermediate | ||
| 279 | |||
| 280 | .seealso: [](sec:ds), `DSSetType()`, `PetscObjectTypeCompare()`, `PetscObjectTypeCompareAny()` | ||
| 281 | @*/ | ||
| 282 | 20 | PetscErrorCode DSGetType(DS ds,DSType *type) | |
| 283 | { | ||
| 284 |
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20 | PetscFunctionBegin; |
| 285 |
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20 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 286 |
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20 | PetscAssertPointer(type,2); |
| 287 | 20 | *type = ((PetscObject)ds)->type_name; | |
| 288 |
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20 | PetscFunctionReturn(PETSC_SUCCESS); |
| 289 | } | ||
| 290 | |||
| 291 | /*@ | ||
| 292 | DSDuplicate - Creates a new direct solver object with the same options as | ||
| 293 | an existing one. | ||
| 294 | |||
| 295 | Collective | ||
| 296 | |||
| 297 | Input Parameter: | ||
| 298 | . ds - direct solver context | ||
| 299 | |||
| 300 | Output Parameter: | ||
| 301 | . dsnew - location to put the new `DS` | ||
| 302 | |||
| 303 | Notes: | ||
| 304 | `DSDuplicate()` DOES NOT COPY the matrices, and the new `DS` does not even have | ||
| 305 | internal arrays allocated. Use `DSAllocate()` to use the new `DS`. | ||
| 306 | |||
| 307 | The sorting criterion options are not copied, see `DSSetSlepcSC()`. | ||
| 308 | |||
| 309 | Level: intermediate | ||
| 310 | |||
| 311 | .seealso: [](sec:ds), `DSCreate()`, `DSAllocate()`, `DSSetSlepcSC()` | ||
| 312 | @*/ | ||
| 313 | ✗ | PetscErrorCode DSDuplicate(DS ds,DS *dsnew) | |
| 314 | { | ||
| 315 | ✗ | PetscFunctionBegin; | |
| 316 | ✗ | PetscValidHeaderSpecific(ds,DS_CLASSID,1); | |
| 317 | ✗ | PetscAssertPointer(dsnew,2); | |
| 318 | ✗ | PetscCall(DSCreate(PetscObjectComm((PetscObject)ds),dsnew)); | |
| 319 | ✗ | if (((PetscObject)ds)->type_name) PetscCall(DSSetType(*dsnew,((PetscObject)ds)->type_name)); | |
| 320 | ✗ | (*dsnew)->method = ds->method; | |
| 321 | ✗ | (*dsnew)->compact = ds->compact; | |
| 322 | ✗ | (*dsnew)->refined = ds->refined; | |
| 323 | ✗ | (*dsnew)->extrarow = ds->extrarow; | |
| 324 | ✗ | (*dsnew)->bs = ds->bs; | |
| 325 | ✗ | (*dsnew)->pmode = ds->pmode; | |
| 326 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 327 | } | ||
| 328 | |||
| 329 | /*@ | ||
| 330 | DSSetMethod - Selects the method to be used to solve the problem. | ||
| 331 | |||
| 332 | Logically Collective | ||
| 333 | |||
| 334 | Input Parameters: | ||
| 335 | + ds - the direct solver context | ||
| 336 | - meth - an index identifying the method | ||
| 337 | |||
| 338 | Options Database Key: | ||
| 339 | . -ds_method meth - sets the method | ||
| 340 | |||
| 341 | Level: intermediate | ||
| 342 | |||
| 343 | .seealso: [](sec:ds), `DSGetMethod()` | ||
| 344 | @*/ | ||
| 345 | 679 | PetscErrorCode DSSetMethod(DS ds,PetscInt meth) | |
| 346 | { | ||
| 347 |
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679 | PetscFunctionBegin; |
| 348 |
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679 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 349 |
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679 | PetscValidLogicalCollectiveInt(ds,meth,2); |
| 350 |
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679 | PetscCheck(meth>=0,PetscObjectComm((PetscObject)ds),PETSC_ERR_ARG_OUTOFRANGE,"The method must be a non-negative integer"); |
| 351 |
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679 | PetscCheck(meth<=DS_MAX_SOLVE,PetscObjectComm((PetscObject)ds),PETSC_ERR_ARG_OUTOFRANGE,"Too large value for the method"); |
| 352 | 679 | ds->method = meth; | |
| 353 |
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679 | PetscFunctionReturn(PETSC_SUCCESS); |
| 354 | } | ||
| 355 | |||
| 356 | /*@ | ||
| 357 | DSGetMethod - Gets the method currently used in the `DS`. | ||
| 358 | |||
| 359 | Not Collective | ||
| 360 | |||
| 361 | Input Parameter: | ||
| 362 | . ds - the direct solver context | ||
| 363 | |||
| 364 | Output Parameter: | ||
| 365 | . meth - identifier of the method | ||
| 366 | |||
| 367 | Level: intermediate | ||
| 368 | |||
| 369 | .seealso: [](sec:ds), `DSSetMethod()` | ||
| 370 | @*/ | ||
| 371 | 227 | PetscErrorCode DSGetMethod(DS ds,PetscInt *meth) | |
| 372 | { | ||
| 373 |
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227 | PetscFunctionBegin; |
| 374 |
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227 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 375 |
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227 | PetscAssertPointer(meth,2); |
| 376 | 227 | *meth = ds->method; | |
| 377 |
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227 | PetscFunctionReturn(PETSC_SUCCESS); |
| 378 | } | ||
| 379 | |||
| 380 | /*@ | ||
| 381 | DSSetParallel - Selects the mode of operation in parallel runs. | ||
| 382 | |||
| 383 | Logically Collective | ||
| 384 | |||
| 385 | Input Parameters: | ||
| 386 | + ds - the direct solver context | ||
| 387 | - pmode - the parallel mode | ||
| 388 | |||
| 389 | Options Database Key: | ||
| 390 | . -ds_parallel (redundant|synchronized|distributed) - sets the parallel mode | ||
| 391 | |||
| 392 | Notes: | ||
| 393 | In the `redundant` parallel mode, all processes will make the computation | ||
| 394 | redundantly, starting from the same data, and producing the same result. | ||
| 395 | This result may be slightly different in the different processes if using a | ||
| 396 | multithreaded BLAS library, which may cause issues in ill-conditioned problems. | ||
| 397 | |||
| 398 | In the `synchronized` parallel mode, only the first MPI process performs the | ||
| 399 | computation and then the computed quantities are broadcast to the other | ||
| 400 | processes in the communicator. This communication is not done automatically, | ||
| 401 | an explicit call to `DSSynchronize()` is required. | ||
| 402 | |||
| 403 | The `distributed` parallel mode can be used in some `DS` types only, such | ||
| 404 | as the contour integral method of `DSNEP`. In this case, every MPI process | ||
| 405 | will be in charge of part of the computation. | ||
| 406 | |||
| 407 | Level: advanced | ||
| 408 | |||
| 409 | .seealso: [](sec:ds), `DSSynchronize()`, `DSGetParallel()` | ||
| 410 | @*/ | ||
| 411 | 837 | PetscErrorCode DSSetParallel(DS ds,DSParallelType pmode) | |
| 412 | { | ||
| 413 |
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837 | PetscFunctionBegin; |
| 414 |
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837 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 415 |
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837 | PetscValidLogicalCollectiveEnum(ds,pmode,2); |
| 416 | 837 | ds->pmode = pmode; | |
| 417 |
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837 | PetscFunctionReturn(PETSC_SUCCESS); |
| 418 | } | ||
| 419 | |||
| 420 | /*@ | ||
| 421 | DSGetParallel - Gets the mode of operation in parallel runs. | ||
| 422 | |||
| 423 | Not Collective | ||
| 424 | |||
| 425 | Input Parameter: | ||
| 426 | . ds - the direct solver context | ||
| 427 | |||
| 428 | Output Parameter: | ||
| 429 | . pmode - the parallel mode | ||
| 430 | |||
| 431 | Level: advanced | ||
| 432 | |||
| 433 | .seealso: [](sec:ds), `DSSetParallel()` | ||
| 434 | @*/ | ||
| 435 | 197 | PetscErrorCode DSGetParallel(DS ds,DSParallelType *pmode) | |
| 436 | { | ||
| 437 |
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197 | PetscFunctionBegin; |
| 438 |
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197 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 439 |
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197 | PetscAssertPointer(pmode,2); |
| 440 | 197 | *pmode = ds->pmode; | |
| 441 |
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197 | PetscFunctionReturn(PETSC_SUCCESS); |
| 442 | } | ||
| 443 | |||
| 444 | /*@ | ||
| 445 | DSSetCompact - Switch to compact storage of matrices. | ||
| 446 | |||
| 447 | Logically Collective | ||
| 448 | |||
| 449 | Input Parameters: | ||
| 450 | + ds - the direct solver context | ||
| 451 | - comp - a boolean flag | ||
| 452 | |||
| 453 | Notes: | ||
| 454 | Compact storage is used in some `DS` types such as `DSHEP` when the matrix | ||
| 455 | is tridiagonal. This flag can be used to indicate whether the user | ||
| 456 | provides the matrix entries via the compact form (the tridiagonal `DS_MAT_T`) | ||
| 457 | or the non-compact one (`DS_MAT_A`). | ||
| 458 | |||
| 459 | The default is `PETSC_FALSE`. | ||
| 460 | |||
| 461 | Level: advanced | ||
| 462 | |||
| 463 | .seealso: [](sec:ds), `DSGetCompact()` | ||
| 464 | @*/ | ||
| 465 | 7572 | PetscErrorCode DSSetCompact(DS ds,PetscBool comp) | |
| 466 | { | ||
| 467 |
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7572 | PetscFunctionBegin; |
| 468 |
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7572 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 469 |
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7572 | PetscValidLogicalCollectiveBool(ds,comp,2); |
| 470 |
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7572 | if (ds->compact != comp && ds->ld) PetscTryTypeMethod(ds,setcompact,comp); |
| 471 | 7572 | ds->compact = comp; | |
| 472 |
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7572 | PetscFunctionReturn(PETSC_SUCCESS); |
| 473 | } | ||
| 474 | |||
| 475 | /*@ | ||
| 476 | DSGetCompact - Gets the compact storage flag. | ||
| 477 | |||
| 478 | Not Collective | ||
| 479 | |||
| 480 | Input Parameter: | ||
| 481 | . ds - the direct solver context | ||
| 482 | |||
| 483 | Output Parameter: | ||
| 484 | . comp - the flag | ||
| 485 | |||
| 486 | Level: advanced | ||
| 487 | |||
| 488 | .seealso: [](sec:ds), `DSSetCompact()` | ||
| 489 | @*/ | ||
| 490 | 256 | PetscErrorCode DSGetCompact(DS ds,PetscBool *comp) | |
| 491 | { | ||
| 492 |
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256 | PetscFunctionBegin; |
| 493 |
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256 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 494 |
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256 | PetscAssertPointer(comp,2); |
| 495 | 256 | *comp = ds->compact; | |
| 496 |
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256 | PetscFunctionReturn(PETSC_SUCCESS); |
| 497 | } | ||
| 498 | |||
| 499 | /*@ | ||
| 500 | DSSetExtraRow - Sets a flag to indicate that the matrix has one extra | ||
| 501 | row. | ||
| 502 | |||
| 503 | Logically Collective | ||
| 504 | |||
| 505 | Input Parameters: | ||
| 506 | + ds - the direct solver context | ||
| 507 | - ext - a boolean flag | ||
| 508 | |||
| 509 | Notes: | ||
| 510 | In Krylov methods it is useful that the matrix representing the direct solver | ||
| 511 | has one extra row, i.e., has dimension $(n+1) \times n$. If this flag is activated, all | ||
| 512 | transformations applied to the right of the matrix also affect this additional | ||
| 513 | row. In that case, $(n+1)$ must be less or equal than the leading dimension. | ||
| 514 | |||
| 515 | The default is `PETSC_FALSE`. | ||
| 516 | |||
| 517 | Level: advanced | ||
| 518 | |||
| 519 | .seealso: [](sec:ds), `DSSolve()`, `DSAllocate()`, `DSGetExtraRow()` | ||
| 520 | @*/ | ||
| 521 | 10842 | PetscErrorCode DSSetExtraRow(DS ds,PetscBool ext) | |
| 522 | { | ||
| 523 |
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10842 | PetscFunctionBegin; |
| 524 |
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10842 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 525 |
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10842 | PetscValidLogicalCollectiveBool(ds,ext,2); |
| 526 |
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10842 | PetscCheck(!ext || ds->n==0 || ds->n!=ds->ld,PetscObjectComm((PetscObject)ds),PETSC_ERR_ORDER,"Cannot set extra row after setting n=ld"); |
| 527 | 10842 | ds->extrarow = ext; | |
| 528 |
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10842 | PetscFunctionReturn(PETSC_SUCCESS); |
| 529 | } | ||
| 530 | |||
| 531 | /*@ | ||
| 532 | DSGetExtraRow - Gets the extra row flag. | ||
| 533 | |||
| 534 | Not Collective | ||
| 535 | |||
| 536 | Input Parameter: | ||
| 537 | . ds - the direct solver context | ||
| 538 | |||
| 539 | Output Parameter: | ||
| 540 | . ext - the flag | ||
| 541 | |||
| 542 | Level: advanced | ||
| 543 | |||
| 544 | .seealso: [](sec:ds), `DSSetExtraRow()` | ||
| 545 | @*/ | ||
| 546 | 29547 | PetscErrorCode DSGetExtraRow(DS ds,PetscBool *ext) | |
| 547 | { | ||
| 548 |
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29547 | PetscFunctionBegin; |
| 549 |
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29547 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 550 |
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29547 | PetscAssertPointer(ext,2); |
| 551 | 29547 | *ext = ds->extrarow; | |
| 552 |
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29547 | PetscFunctionReturn(PETSC_SUCCESS); |
| 553 | } | ||
| 554 | |||
| 555 | /*@ | ||
| 556 | DSSetRefined - Sets a flag to indicate that refined vectors must be | ||
| 557 | computed. | ||
| 558 | |||
| 559 | Logically Collective | ||
| 560 | |||
| 561 | Input Parameters: | ||
| 562 | + ds - the direct solver context | ||
| 563 | - ref - a boolean flag | ||
| 564 | |||
| 565 | Notes: | ||
| 566 | Normally the vectors returned in `DS_MAT_X` are eigenvectors of the | ||
| 567 | projected matrix. With this flag activated, `DSVectors()` will return | ||
| 568 | the right singular vector of the smallest singular value of matrix | ||
| 569 | $\tilde{A}-\theta I$, where $\tilde{A}$ is the extended $(n+1)\times n$ | ||
| 570 | matrix and $\theta$ is the Ritz value. This is used in the refined Ritz | ||
| 571 | approximation {cite:p}`Jia97`. | ||
| 572 | |||
| 573 | The default is `PETSC_FALSE`. | ||
| 574 | |||
| 575 | Level: advanced | ||
| 576 | |||
| 577 | .seealso: [](sec:ds), `DSVectors()`, `DSGetRefined()` | ||
| 578 | @*/ | ||
| 579 | 10 | PetscErrorCode DSSetRefined(DS ds,PetscBool ref) | |
| 580 | { | ||
| 581 |
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10 | PetscFunctionBegin; |
| 582 |
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10 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 583 |
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|
10 | PetscValidLogicalCollectiveBool(ds,ref,2); |
| 584 | 10 | ds->refined = ref; | |
| 585 |
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10 | PetscFunctionReturn(PETSC_SUCCESS); |
| 586 | } | ||
| 587 | |||
| 588 | /*@ | ||
| 589 | DSGetRefined - Gets the refined vectors flag. | ||
| 590 | |||
| 591 | Not Collective | ||
| 592 | |||
| 593 | Input Parameter: | ||
| 594 | . ds - the direct solver context | ||
| 595 | |||
| 596 | Output Parameter: | ||
| 597 | . ref - the flag | ||
| 598 | |||
| 599 | Level: advanced | ||
| 600 | |||
| 601 | .seealso: [](sec:ds), `DSSetRefined()` | ||
| 602 | @*/ | ||
| 603 | 57421 | PetscErrorCode DSGetRefined(DS ds,PetscBool *ref) | |
| 604 | { | ||
| 605 |
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57421 | PetscFunctionBegin; |
| 606 |
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57421 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 607 |
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57421 | PetscAssertPointer(ref,2); |
| 608 | 57421 | *ref = ds->refined; | |
| 609 |
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57421 | PetscFunctionReturn(PETSC_SUCCESS); |
| 610 | } | ||
| 611 | |||
| 612 | /*@ | ||
| 613 | DSSetBlockSize - Sets the block size. | ||
| 614 | |||
| 615 | Logically Collective | ||
| 616 | |||
| 617 | Input Parameters: | ||
| 618 | + ds - the direct solver context | ||
| 619 | - bs - the block size | ||
| 620 | |||
| 621 | Options Database Key: | ||
| 622 | . -ds_block_size bs - sets the block size | ||
| 623 | |||
| 624 | Level: intermediate | ||
| 625 | |||
| 626 | .seealso: [](sec:ds), `DSGetBlockSize()` | ||
| 627 | @*/ | ||
| 628 | 10 | PetscErrorCode DSSetBlockSize(DS ds,PetscInt bs) | |
| 629 | { | ||
| 630 |
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10 | PetscFunctionBegin; |
| 631 |
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10 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 632 |
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10 | PetscValidLogicalCollectiveInt(ds,bs,2); |
| 633 |
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10 | PetscCheck(bs>0,PetscObjectComm((PetscObject)ds),PETSC_ERR_ARG_OUTOFRANGE,"The block size must be at least one"); |
| 634 | 10 | ds->bs = bs; | |
| 635 |
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10 | PetscFunctionReturn(PETSC_SUCCESS); |
| 636 | } | ||
| 637 | |||
| 638 | /*@ | ||
| 639 | DSGetBlockSize - Gets the block size. | ||
| 640 | |||
| 641 | Not Collective | ||
| 642 | |||
| 643 | Input Parameter: | ||
| 644 | . ds - the direct solver context | ||
| 645 | |||
| 646 | Output Parameter: | ||
| 647 | . bs - block size | ||
| 648 | |||
| 649 | Level: intermediate | ||
| 650 | |||
| 651 | .seealso: [](sec:ds), `DSSetBlockSize()` | ||
| 652 | @*/ | ||
| 653 | ✗ | PetscErrorCode DSGetBlockSize(DS ds,PetscInt *bs) | |
| 654 | { | ||
| 655 | ✗ | PetscFunctionBegin; | |
| 656 | ✗ | PetscValidHeaderSpecific(ds,DS_CLASSID,1); | |
| 657 | ✗ | PetscAssertPointer(bs,2); | |
| 658 | ✗ | *bs = ds->bs; | |
| 659 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 660 | } | ||
| 661 | |||
| 662 | /*@ | ||
| 663 | DSSetSlepcSC - Sets the sorting criterion context. | ||
| 664 | |||
| 665 | Logically Collective | ||
| 666 | |||
| 667 | Input Parameters: | ||
| 668 | + ds - the direct solver context | ||
| 669 | - sc - a pointer to the sorting criterion context | ||
| 670 | |||
| 671 | Note: | ||
| 672 | Not available in Fortran. | ||
| 673 | |||
| 674 | Level: developer | ||
| 675 | |||
| 676 | .seealso: [](sec:ds), `DSGetSlepcSC()`, `DSSort()` | ||
| 677 | @*/ | ||
| 678 | 10 | PetscErrorCode DSSetSlepcSC(DS ds,SlepcSC sc) | |
| 679 | { | ||
| 680 |
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10 | PetscFunctionBegin; |
| 681 |
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10 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 682 |
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10 | PetscAssertPointer(sc,2); |
| 683 |
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10 | if (ds->sc && !ds->scset) PetscCall(PetscFree(ds->sc)); |
| 684 | 10 | ds->sc = sc; | |
| 685 | 10 | ds->scset = PETSC_TRUE; | |
| 686 |
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10 | PetscFunctionReturn(PETSC_SUCCESS); |
| 687 | } | ||
| 688 | |||
| 689 | /*@ | ||
| 690 | DSGetSlepcSC - Gets the sorting criterion context. | ||
| 691 | |||
| 692 | Not Collective | ||
| 693 | |||
| 694 | Input Parameter: | ||
| 695 | . ds - the direct solver context | ||
| 696 | |||
| 697 | Output Parameter: | ||
| 698 | . sc - a pointer to the sorting criterion context | ||
| 699 | |||
| 700 | Note: | ||
| 701 | Not available in Fortran. | ||
| 702 | |||
| 703 | Level: developer | ||
| 704 | |||
| 705 | .seealso: [](sec:ds), `DSSetSlepcSC()`, `DSSort()` | ||
| 706 | @*/ | ||
| 707 | 18651 | PetscErrorCode DSGetSlepcSC(DS ds,SlepcSC *sc) | |
| 708 | { | ||
| 709 |
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18651 | PetscFunctionBegin; |
| 710 |
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18651 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 711 |
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18651 | PetscAssertPointer(sc,2); |
| 712 |
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18651 | if (!ds->sc) PetscCall(PetscNew(&ds->sc)); |
| 713 | 18651 | *sc = ds->sc; | |
| 714 |
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18651 | PetscFunctionReturn(PETSC_SUCCESS); |
| 715 | } | ||
| 716 | |||
| 717 | /*@ | ||
| 718 | DSSetFromOptions - Sets `DS` options from the options database. | ||
| 719 | |||
| 720 | Collective | ||
| 721 | |||
| 722 | Input Parameter: | ||
| 723 | . ds - the direct solver context | ||
| 724 | |||
| 725 | Notes: | ||
| 726 | To see all options, run your program with the `-help` option. | ||
| 727 | |||
| 728 | Level: beginner | ||
| 729 | |||
| 730 | .seealso: [](sec:ds), `DSSetOptionsPrefix()` | ||
| 731 | @*/ | ||
| 732 | 12655 | PetscErrorCode DSSetFromOptions(DS ds) | |
| 733 | { | ||
| 734 | 12655 | PetscInt bs,meth; | |
| 735 | 12655 | PetscBool flag; | |
| 736 | 12655 | DSParallelType pmode; | |
| 737 | |||
| 738 |
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12655 | PetscFunctionBegin; |
| 739 |
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12655 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 740 |
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12655 | PetscCall(DSRegisterAll()); |
| 741 | /* Set default type (we do not allow changing it with -ds_type) */ | ||
| 742 |
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12655 | if (!((PetscObject)ds)->type_name) PetscCall(DSSetType(ds,DSNHEP)); |
| 743 |
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37965 | PetscObjectOptionsBegin((PetscObject)ds); |
| 744 | |||
| 745 |
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12655 | PetscCall(PetscOptionsInt("-ds_block_size","Block size for the dense system solver","DSSetBlockSize",ds->bs,&bs,&flag)); |
| 746 |
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12655 | if (flag) PetscCall(DSSetBlockSize(ds,bs)); |
| 747 | |||
| 748 |
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12655 | PetscCall(PetscOptionsInt("-ds_method","Method to be used for the dense system","DSSetMethod",ds->method,&meth,&flag)); |
| 749 |
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12655 | if (flag) PetscCall(DSSetMethod(ds,meth)); |
| 750 | |||
| 751 |
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12655 | PetscCall(PetscOptionsEnum("-ds_parallel","Operation mode in parallel runs","DSSetParallel",DSParallelTypes,(PetscEnum)ds->pmode,(PetscEnum*)&pmode,&flag)); |
| 752 |
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12655 | if (flag) PetscCall(DSSetParallel(ds,pmode)); |
| 753 | |||
| 754 |
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12655 | PetscTryTypeMethod(ds,setfromoptions,PetscOptionsObject); |
| 755 |
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12655 | PetscCall(PetscObjectProcessOptionsHandlers((PetscObject)ds,PetscOptionsObject)); |
| 756 |
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12655 | PetscOptionsEnd(); |
| 757 |
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12655 | PetscFunctionReturn(PETSC_SUCCESS); |
| 758 | } | ||
| 759 | |||
| 760 | /*@ | ||
| 761 | DSView - Prints the `DS` data structure. | ||
| 762 | |||
| 763 | Collective | ||
| 764 | |||
| 765 | Input Parameters: | ||
| 766 | + ds - the direct solver context | ||
| 767 | - viewer - optional visualization context | ||
| 768 | |||
| 769 | Notes: | ||
| 770 | The available visualization contexts include | ||
| 771 | + `PETSC_VIEWER_STDOUT_SELF` - standard output (default) | ||
| 772 | - `PETSC_VIEWER_STDOUT_WORLD` - synchronized standard output where only the | ||
| 773 | first process opens the file; all other processes send their data to the | ||
| 774 | first one to print | ||
| 775 | |||
| 776 | The user can open an alternative visualization context with `PetscViewerASCIIOpen()` | ||
| 777 | to output to a specified file. | ||
| 778 | |||
| 779 | Use `DSViewFromOptions()` to allow the user to select many different `PetscViewerType` | ||
| 780 | and formats from the options database. | ||
| 781 | |||
| 782 | Level: beginner | ||
| 783 | |||
| 784 | .seealso: [](sec:ds), `DSCreate()`, `DSViewFromOptions()`, `DSViewMat()` | ||
| 785 | @*/ | ||
| 786 | 1243 | PetscErrorCode DSView(DS ds,PetscViewer viewer) | |
| 787 | { | ||
| 788 | 1243 | PetscBool isascii; | |
| 789 | 1243 | PetscViewerFormat format; | |
| 790 | 1243 | PetscMPIInt size; | |
| 791 | |||
| 792 |
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1243 | PetscFunctionBegin; |
| 793 |
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1243 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 794 |
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1243 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)ds),&viewer)); |
| 795 |
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1243 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); |
| 796 |
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1243 | PetscCheckSameComm(ds,1,viewer,2); |
| 797 |
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1243 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); |
| 798 |
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1243 | if (isascii) { |
| 799 |
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1243 | PetscCall(PetscViewerGetFormat(viewer,&format)); |
| 800 |
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1243 | PetscCall(PetscObjectPrintClassNamePrefixType((PetscObject)ds,viewer)); |
| 801 |
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1243 | PetscCallMPI(MPI_Comm_size(PetscObjectComm((PetscObject)ds),&size)); |
| 802 |
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1243 | if (size>1) PetscCall(PetscViewerASCIIPrintf(viewer," parallel operation mode: %s\n",DSParallelTypes[ds->pmode])); |
| 803 |
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1243 | if (format == PETSC_VIEWER_ASCII_INFO_DETAIL) { |
| 804 |
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655 | PetscCall(PetscViewerASCIIPrintf(viewer," current state: %s\n",DSStateTypes[ds->state])); |
| 805 |
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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)); |
| 806 |
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655 | if (ds->state==DS_STATE_TRUNCATED) PetscCall(PetscViewerASCIIPrintf(viewer,", t=%" PetscInt_FMT "\n",ds->t)); |
| 807 |
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655 | else PetscCall(PetscViewerASCIIPrintf(viewer,"\n")); |
| 808 |
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2170 | PetscCall(PetscViewerASCIIPrintf(viewer," flags:%s%s%s\n",ds->compact?" compact":"",ds->extrarow?" extrarow":"",ds->refined?" refined":"")); |
| 809 | } | ||
| 810 |
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1243 | PetscCall(PetscViewerASCIIPushTab(viewer)); |
| 811 |
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1243 | PetscTryTypeMethod(ds,view,viewer); |
| 812 |
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1243 | PetscCall(PetscViewerASCIIPopTab(viewer)); |
| 813 | } | ||
| 814 |
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245 | PetscFunctionReturn(PETSC_SUCCESS); |
| 815 | } | ||
| 816 | |||
| 817 | /*@ | ||
| 818 | DSViewFromOptions - View (print) a `DS` object based on values in the options database. | ||
| 819 | |||
| 820 | Collective | ||
| 821 | |||
| 822 | Input Parameters: | ||
| 823 | + ds - the direct solver context | ||
| 824 | . obj - optional object that provides the options prefix used to query the options database | ||
| 825 | - name - command line option | ||
| 826 | |||
| 827 | Level: intermediate | ||
| 828 | |||
| 829 | .seealso: [](sec:ds), `DSView()`, `DSCreate()`, `PetscObjectViewFromOptions()` | ||
| 830 | @*/ | ||
| 831 | 15 | PetscErrorCode DSViewFromOptions(DS ds,PetscObject obj,const char name[]) | |
| 832 | { | ||
| 833 |
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15 | PetscFunctionBegin; |
| 834 |
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15 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 835 |
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15 | PetscCall(PetscObjectViewFromOptions((PetscObject)ds,obj,name)); |
| 836 |
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3 | PetscFunctionReturn(PETSC_SUCCESS); |
| 837 | } | ||
| 838 | |||
| 839 | /*@ | ||
| 840 | DSAllocate - Allocates memory for internal storage or matrices in `DS`. | ||
| 841 | |||
| 842 | Logically Collective | ||
| 843 | |||
| 844 | Input Parameters: | ||
| 845 | + ds - the direct solver context | ||
| 846 | - ld - leading dimension (maximum allowed dimension for the matrices, including | ||
| 847 | the extra row if present) | ||
| 848 | |||
| 849 | Note: | ||
| 850 | If the leading dimension is different from a previously set value, then | ||
| 851 | all matrices are destroyed with `DSReset()`. | ||
| 852 | |||
| 853 | Level: intermediate | ||
| 854 | |||
| 855 | .seealso: [](sec:ds), `DSGetLeadingDimension()`, `DSSetDimensions()`, `DSSetExtraRow()`, `DSReset()`, `DSReallocate()` | ||
| 856 | @*/ | ||
| 857 | 16690 | PetscErrorCode DSAllocate(DS ds,PetscInt ld) | |
| 858 | { | ||
| 859 |
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16690 | PetscFunctionBegin; |
| 860 |
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16690 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 861 |
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16690 | PetscValidLogicalCollectiveInt(ds,ld,2); |
| 862 |
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16690 | PetscValidType(ds,1); |
| 863 |
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16690 | PetscCheck(ld>0,PetscObjectComm((PetscObject)ds),PETSC_ERR_ARG_OUTOFRANGE,"Leading dimension should be at least one"); |
| 864 |
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16690 | if (ld!=ds->ld) { |
| 865 |
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12358 | PetscCall(PetscInfo(ds,"Allocating memory with leading dimension=%" PetscInt_FMT "\n",ld)); |
| 866 |
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12358 | PetscCall(DSReset(ds)); |
| 867 | 12358 | ds->ld = ld; | |
| 868 |
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12358 | PetscUseTypeMethod(ds,allocate,ld); |
| 869 | } | ||
| 870 |
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|
3208 | PetscFunctionReturn(PETSC_SUCCESS); |
| 871 | } | ||
| 872 | |||
| 873 | /*@ | ||
| 874 | DSReallocate - Reallocates memory for internal storage or matrices in `DS`, | ||
| 875 | keeping the previously set data. | ||
| 876 | |||
| 877 | Logically Collective | ||
| 878 | |||
| 879 | Input Parameters: | ||
| 880 | + ds - the direct solver context | ||
| 881 | - ld - new leading dimension | ||
| 882 | |||
| 883 | Notes: | ||
| 884 | The new leading dimension must be larger than the previous one. The relevant | ||
| 885 | data previously set is copied over to the new data structures. | ||
| 886 | |||
| 887 | This operation is not available in all `DS` types. | ||
| 888 | |||
| 889 | Level: developer | ||
| 890 | |||
| 891 | .seealso: [](sec:ds), `DSAllocate()` | ||
| 892 | @*/ | ||
| 893 | 134 | PetscErrorCode DSReallocate(DS ds,PetscInt ld) | |
| 894 | { | ||
| 895 | 134 | PetscInt i; | |
| 896 | |||
| 897 |
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134 | PetscFunctionBegin; |
| 898 |
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134 | PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 899 |
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134 | PetscValidLogicalCollectiveInt(ds,ld,2); |
| 900 |
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134 | PetscValidType(ds,1); |
| 901 |
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134 | PetscCheck(ds->ld,PetscObjectComm((PetscObject)ds),PETSC_ERR_ORDER,"DSAllocate() must be called first"); |
| 902 |
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134 | 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); |
| 903 |
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134 | PetscCall(PetscInfo(ds,"Reallocating memory with new leading dimension=%" PetscInt_FMT "\n",ld)); |
| 904 |
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134 | PetscUseTypeMethod(ds,reallocate,ld); |
| 905 |
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1045 | for (i=ds->ld;i<ld;i++) ds->perm[i] = i; |
| 906 | 134 | ds->ld = ld; | |
| 907 |
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134 | PetscFunctionReturn(PETSC_SUCCESS); |
| 908 | } | ||
| 909 | |||
| 910 | /*@ | ||
| 911 | DSReset - Resets the `DS` context to the initial state. | ||
| 912 | |||
| 913 | Collective | ||
| 914 | |||
| 915 | Input Parameter: | ||
| 916 | . ds - the direct solver context | ||
| 917 | |||
| 918 | Note: | ||
| 919 | All data structures with size depending on the leading dimension | ||
| 920 | of `DSAllocate()` are released. | ||
| 921 | |||
| 922 | Level: advanced | ||
| 923 | |||
| 924 | .seealso: [](sec:ds), `DSDestroy()`, `DSAllocate()` | ||
| 925 | @*/ | ||
| 926 | 44391 | PetscErrorCode DSReset(DS ds) | |
| 927 | { | ||
| 928 | 44391 | PetscInt i; | |
| 929 | |||
| 930 |
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44391 | PetscFunctionBegin; |
| 931 |
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44391 | if (ds) PetscValidHeaderSpecific(ds,DS_CLASSID,1); |
| 932 |
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35822 | if (!ds) PetscFunctionReturn(PETSC_SUCCESS); |
| 933 | 44391 | ds->state = DS_STATE_RAW; | |
| 934 | 44391 | ds->ld = 0; | |
| 935 | 44391 | ds->l = 0; | |
| 936 | 44391 | ds->n = 0; | |
| 937 | 44391 | ds->k = 0; | |
| 938 |
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1020993 | for (i=0;i<DS_NUM_MAT;i++) PetscCall(MatDestroy(&ds->omat[i])); |
| 939 |
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44391 | PetscCall(PetscFree(ds->perm)); |
| 940 |
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8569 | PetscFunctionReturn(PETSC_SUCCESS); |
| 941 | } | ||
| 942 | |||
| 943 | /*@ | ||
| 944 | DSDestroy - Destroys `DS` context that was created with `DSCreate()`. | ||
| 945 | |||
| 946 | Collective | ||
| 947 | |||
| 948 | Input Parameter: | ||
| 949 | . ds - the direct solver context | ||
| 950 | |||
| 951 | Level: beginner | ||
| 952 | |||
| 953 | .seealso: [](sec:ds), `DSCreate()` | ||
| 954 | @*/ | ||
| 955 | 14499 | PetscErrorCode DSDestroy(DS *ds) | |
| 956 | { | ||
| 957 |
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14499 | PetscFunctionBegin; |
| 958 |
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14499 | if (!*ds) PetscFunctionReturn(PETSC_SUCCESS); |
| 959 |
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13500 | PetscValidHeaderSpecific(*ds,DS_CLASSID,1); |
| 960 |
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13500 | if (--((PetscObject)*ds)->refct > 0) { *ds = NULL; PetscFunctionReturn(PETSC_SUCCESS); } |
| 961 |
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13500 | PetscCall(DSReset(*ds)); |
| 962 |
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13500 | PetscTryTypeMethod(*ds,destroy); |
| 963 |
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13500 | PetscCall(PetscFree((*ds)->work_alloc)); |
| 964 |
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13500 | PetscCall(PetscFree((*ds)->rwork_alloc)); |
| 965 |
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13500 | PetscCall(PetscFree((*ds)->iwork)); |
| 966 |
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13500 | if (!(*ds)->scset) PetscCall(PetscFree((*ds)->sc)); |
| 967 |
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13500 | PetscCall(PetscHeaderDestroy(ds)); |
| 968 |
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|
2609 | PetscFunctionReturn(PETSC_SUCCESS); |
| 969 | } | ||
| 970 | |||
| 971 | /*@ | ||
| 972 | DSRegister - Adds a direct solver to the `DS` package. | ||
| 973 | |||
| 974 | Not Collective | ||
| 975 | |||
| 976 | Input Parameters: | ||
| 977 | + name - name of a new user-defined `DS` | ||
| 978 | - function - routine to create context | ||
| 979 | |||
| 980 | Note: | ||
| 981 | `DSRegister()` may be called multiple times to add several user-defined | ||
| 982 | direct solvers. | ||
| 983 | |||
| 984 | Level: advanced | ||
| 985 | |||
| 986 | .seealso: [](sec:ds), `DSRegisterAll()` | ||
| 987 | @*/ | ||
| 988 | 123508 | PetscErrorCode DSRegister(const char *name,PetscErrorCode (*function)(DS)) | |
| 989 | { | ||
| 990 |
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123508 | PetscFunctionBegin; |
| 991 |
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123508 | PetscCall(DSInitializePackage()); |
| 992 |
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123508 | PetscCall(PetscFunctionListAdd(&DSList,name,function)); |
| 993 |
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23914 | PetscFunctionReturn(PETSC_SUCCESS); |
| 994 | } | ||
| 995 | |||
| 996 | SLEPC_EXTERN PetscErrorCode DSCreate_HEP(DS); | ||
| 997 | SLEPC_EXTERN PetscErrorCode DSCreate_NHEP(DS); | ||
| 998 | SLEPC_EXTERN PetscErrorCode DSCreate_GHEP(DS); | ||
| 999 | SLEPC_EXTERN PetscErrorCode DSCreate_GHIEP(DS); | ||
| 1000 | SLEPC_EXTERN PetscErrorCode DSCreate_GNHEP(DS); | ||
| 1001 | SLEPC_EXTERN PetscErrorCode DSCreate_NHEPTS(DS); | ||
| 1002 | SLEPC_EXTERN PetscErrorCode DSCreate_SVD(DS); | ||
| 1003 | SLEPC_EXTERN PetscErrorCode DSCreate_HSVD(DS); | ||
| 1004 | SLEPC_EXTERN PetscErrorCode DSCreate_GSVD(DS); | ||
| 1005 | SLEPC_EXTERN PetscErrorCode DSCreate_PEP(DS); | ||
| 1006 | SLEPC_EXTERN PetscErrorCode DSCreate_NEP(DS); | ||
| 1007 | |||
| 1008 | /*@ | ||
| 1009 | DSRegisterAll - Registers all of the direct solvers in the `DS` package. | ||
| 1010 | |||
| 1011 | Not Collective | ||
| 1012 | |||
| 1013 | Level: advanced | ||
| 1014 | |||
| 1015 | .seealso: [](sec:ds), `DSRegister()` | ||
| 1016 | @*/ | ||
| 1017 | 23883 | PetscErrorCode DSRegisterAll(void) | |
| 1018 | { | ||
| 1019 |
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23883 | PetscFunctionBegin; |
| 1020 |
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23883 | if (DSRegisterAllCalled) PetscFunctionReturn(PETSC_SUCCESS); |
| 1021 | 11228 | DSRegisterAllCalled = PETSC_TRUE; | |
| 1022 |
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11228 | PetscCall(DSRegister(DSHEP,DSCreate_HEP)); |
| 1023 |
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11228 | PetscCall(DSRegister(DSNHEP,DSCreate_NHEP)); |
| 1024 |
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11228 | PetscCall(DSRegister(DSGHEP,DSCreate_GHEP)); |
| 1025 |
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|
11228 | PetscCall(DSRegister(DSGHIEP,DSCreate_GHIEP)); |
| 1026 |
4/6✓ Branch 0 taken 2 times.
✓ Branch 1 taken 8 times.
✓ Branch 2 taken 2 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 2 times.
|
11228 | PetscCall(DSRegister(DSGNHEP,DSCreate_GNHEP)); |
| 1027 |
4/6✓ Branch 0 taken 2 times.
✓ Branch 1 taken 8 times.
✓ Branch 2 taken 2 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 2 times.
|
11228 | PetscCall(DSRegister(DSNHEPTS,DSCreate_NHEPTS)); |
| 1028 |
4/6✓ Branch 0 taken 2 times.
✓ Branch 1 taken 8 times.
✓ Branch 2 taken 2 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 2 times.
|
11228 | PetscCall(DSRegister(DSSVD,DSCreate_SVD)); |
| 1029 |
4/6✓ Branch 0 taken 2 times.
✓ Branch 1 taken 8 times.
✓ Branch 2 taken 2 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 2 times.
|
11228 | PetscCall(DSRegister(DSHSVD,DSCreate_HSVD)); |
| 1030 |
4/6✓ Branch 0 taken 2 times.
✓ Branch 1 taken 8 times.
✓ Branch 2 taken 2 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 2 times.
|
11228 | PetscCall(DSRegister(DSGSVD,DSCreate_GSVD)); |
| 1031 |
4/6✓ Branch 0 taken 2 times.
✓ Branch 1 taken 8 times.
✓ Branch 2 taken 2 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 2 times.
|
11228 | PetscCall(DSRegister(DSPEP,DSCreate_PEP)); |
| 1032 |
4/6✓ Branch 0 taken 2 times.
✓ Branch 1 taken 8 times.
✓ Branch 2 taken 2 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 2 times.
|
11228 | PetscCall(DSRegister(DSNEP,DSCreate_NEP)); |
| 1033 |
7/14✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 2 times.
✓ Branch 4 taken 2 times.
✗ Branch 5 not taken.
✓ Branch 6 taken 2 times.
✗ Branch 7 not taken.
✓ Branch 8 taken 2 times.
✗ Branch 9 not taken.
✓ Branch 10 taken 2 times.
✗ Branch 11 not taken.
✗ Branch 12 not taken.
✓ Branch 13 taken 2 times.
|
2174 | PetscFunctionReturn(PETSC_SUCCESS); |
| 1034 | } | ||
| 1035 |