1 /* 2 Defines the vector component of PETSc. Vectors generally represent 3 degrees of freedom for finite element/finite difference functions 4 on a grid. They have more mathematical structure then simple arrays. 5 */ 6 7 #ifndef __PETSCVEC_H 8 #define __PETSCVEC_H 9 #include <petscis.h> 10 #include <petscviewer.h> 11 12 /*S 13 Vec - Abstract PETSc vector object 14 15 Level: beginner 16 17 Concepts: field variables, unknowns, arrays 18 19 .seealso: VecCreate(), VecType, VecSetType() 20 S*/ 21 typedef struct _p_Vec* Vec; 22 23 /*S 24 VecScatter - Object used to manage communication of data 25 between vectors in parallel. Manages both scatters and gathers 26 27 Level: beginner 28 29 Concepts: scatter 30 31 .seealso: VecScatterCreate(), VecScatterBegin(), VecScatterEnd() 32 S*/ 33 typedef struct _p_VecScatter* VecScatter; 34 35 /*E 36 ScatterMode - Determines the direction of a scatter 37 38 Level: beginner 39 40 .seealso: VecScatter, VecScatterBegin(), VecScatterEnd() 41 E*/ 42 typedef enum {SCATTER_FORWARD=0, SCATTER_REVERSE=1, SCATTER_FORWARD_LOCAL=2, SCATTER_REVERSE_LOCAL=3, SCATTER_LOCAL=2} ScatterMode; 43 44 /*MC 45 SCATTER_FORWARD - Scatters the values as dictated by the VecScatterCreate() call 46 47 Level: beginner 48 49 .seealso: VecScatter, ScatterMode, VecScatterCreate(), VecScatterBegin(), VecScatterEnd(), SCATTER_REVERSE, SCATTER_FORWARD_LOCAL, 50 SCATTER_REVERSE_LOCAL 51 52 M*/ 53 54 /*MC 55 SCATTER_REVERSE - Moves the values in the opposite direction then the directions indicated in 56 in the VecScatterCreate() 57 58 Level: beginner 59 60 .seealso: VecScatter, ScatterMode, VecScatterCreate(), VecScatterBegin(), VecScatterEnd(), SCATTER_FORWARD, SCATTER_FORWARD_LOCAL, 61 SCATTER_REVERSE_LOCAL 62 63 M*/ 64 65 /*MC 66 SCATTER_FORWARD_LOCAL - Scatters the values as dictated by the VecScatterCreate() call except NO parallel communication 67 is done. Any variables that have be moved between processes are ignored 68 69 Level: developer 70 71 .seealso: VecScatter, ScatterMode, VecScatterCreate(), VecScatterBegin(), VecScatterEnd(), SCATTER_REVERSE, SCATTER_FORWARD, 72 SCATTER_REVERSE_LOCAL 73 74 M*/ 75 76 /*MC 77 SCATTER_REVERSE_LOCAL - Moves the values in the opposite direction then the directions indicated in 78 in the VecScatterCreate() except NO parallel communication 79 is done. Any variables that have be moved between processes are ignored 80 81 Level: developer 82 83 .seealso: VecScatter, ScatterMode, VecScatterCreate(), VecScatterBegin(), VecScatterEnd(), SCATTER_FORWARD, SCATTER_FORWARD_LOCAL, 84 SCATTER_REVERSE 85 86 M*/ 87 88 /*J 89 VecType - String with the name of a PETSc vector 90 91 Level: beginner 92 93 .seealso: VecSetType(), Vec, VecCreate(), VecDestroy() 94 J*/ 95 typedef const char* VecType; 96 #define VECSEQ "seq" 97 #define VECMPI "mpi" 98 #define VECSTANDARD "standard" /* seq on one process and mpi on several */ 99 #define VECSHARED "shared" 100 #define VECSEQCUSP "seqcusp" 101 #define VECMPICUSP "mpicusp" 102 #define VECCUSP "cusp" /* seqcusp on one process and mpicusp on several */ 103 #define VECSEQVIENNACL "seqviennacl" 104 #define VECMPIVIENNACL "mpiviennacl" 105 #define VECVIENNACL "viennacl" /* seqviennacl on one process and mpiviennacl on several */ 106 #define VECSEQCUDA "seqcuda" 107 #define VECMPICUDA "mpicuda" 108 #define VECCUDA "cuda" /* seqcuda on one process and mpicuda on several */ 109 #define VECNEST "nest" 110 #define VECNODE "node" /* use on-node shared memory */ 111 112 /*J 113 VecScatterType - String with the name of a PETSc vector scatter type 114 115 Level: beginner 116 117 .seealso: VecScatterSetType(), VecScatter, VecScatterCreate(), VecScatterDestroy() 118 J*/ 119 typedef const char* VecScatterType; 120 #define VECSCATTERSEQ "seq" 121 #define VECSCATTERMPI1 "mpi1" 122 #define VECSCATTERMPI3 "mpi3" /* use MPI3 on-node shared memory */ 123 #define VECSCATTERMPI3NODE "mpi3node" /* use MPI3 on-node shared memory for vector type VECNODE */ 124 125 /* Dynamic creation and loading functions */ 126 PETSC_EXTERN PetscFunctionList VecScatterList; 127 PETSC_EXTERN PetscErrorCode VecScatterSetType(VecScatter, VecScatterType); 128 PETSC_EXTERN PetscErrorCode VecScatterGetType(VecScatter, VecScatterType *); 129 PETSC_EXTERN PetscErrorCode VecScatterSetFromOptions(VecScatter); 130 PETSC_EXTERN PetscErrorCode VecScatterRegister(const char[],PetscErrorCode (*)(VecScatter)); 131 PETSC_EXTERN PetscErrorCode VecScatterCreate(Vec,IS,Vec,IS,VecScatter*); 132 PETSC_EXTERN PetscErrorCode VecScatterInitializePackage(void); 133 PETSC_EXTERN PetscErrorCode VecScatterFinalizePackage(void); 134 135 /* Logging support */ 136 #define REAL_FILE_CLASSID 1211213 137 #define VEC_FILE_CLASSID 1211214 138 PETSC_EXTERN PetscClassId VEC_CLASSID; 139 PETSC_EXTERN PetscClassId VEC_SCATTER_CLASSID; 140 141 142 PETSC_EXTERN PetscErrorCode VecInitializePackage(void); 143 PETSC_EXTERN PetscErrorCode VecFinalizePackage(void); 144 145 PETSC_EXTERN PetscErrorCode VecCreate(MPI_Comm,Vec*); 146 PETSC_EXTERN PetscErrorCode VecCreateSeq(MPI_Comm,PetscInt,Vec*); 147 PETSC_EXTERN PetscErrorCode VecCreateMPI(MPI_Comm,PetscInt,PetscInt,Vec*); 148 PETSC_EXTERN PetscErrorCode VecCreateSeqWithArray(MPI_Comm,PetscInt,PetscInt,const PetscScalar[],Vec*); 149 PETSC_EXTERN PetscErrorCode VecCreateMPIWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscScalar[],Vec*); 150 PETSC_EXTERN PetscErrorCode VecCreateShared(MPI_Comm,PetscInt,PetscInt,Vec*); 151 PETSC_EXTERN PetscErrorCode VecCreateNode(MPI_Comm,PetscInt,PetscInt,Vec*); 152 153 PETSC_EXTERN PetscErrorCode VecSetFromOptions(Vec); 154 PETSC_STATIC_INLINE PetscErrorCode VecViewFromOptions(Vec A,PetscObject B,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,B,name);} 155 156 PETSC_EXTERN PetscErrorCode VecSetUp(Vec); 157 PETSC_EXTERN PetscErrorCode VecDestroy(Vec*); 158 PETSC_EXTERN PetscErrorCode VecZeroEntries(Vec); 159 PETSC_EXTERN PetscErrorCode VecSetOptionsPrefix(Vec,const char[]); 160 PETSC_EXTERN PetscErrorCode VecAppendOptionsPrefix(Vec,const char[]); 161 PETSC_EXTERN PetscErrorCode VecGetOptionsPrefix(Vec,const char*[]); 162 163 PETSC_EXTERN PetscErrorCode VecSetSizes(Vec,PetscInt,PetscInt); 164 165 PETSC_EXTERN PetscErrorCode VecDotNorm2(Vec,Vec,PetscScalar*,PetscReal*); 166 PETSC_EXTERN PetscErrorCode VecDot(Vec,Vec,PetscScalar*); 167 PETSC_EXTERN PetscErrorCode VecDotRealPart(Vec,Vec,PetscReal*); 168 PETSC_EXTERN PetscErrorCode VecTDot(Vec,Vec,PetscScalar*); 169 PETSC_EXTERN PetscErrorCode VecMDot(Vec,PetscInt,const Vec[],PetscScalar[]); 170 PETSC_EXTERN PetscErrorCode VecMTDot(Vec,PetscInt,const Vec[],PetscScalar[]); 171 PETSC_EXTERN PetscErrorCode VecGetSubVector(Vec,IS,Vec*); 172 PETSC_EXTERN PetscErrorCode VecRestoreSubVector(Vec,IS,Vec*); 173 174 /*E 175 NormType - determines what type of norm to compute 176 177 Level: beginner 178 179 .seealso: VecNorm(), VecNormBegin(), VecNormEnd(), MatNorm() 180 E*/ 181 typedef enum {NORM_1=0,NORM_2=1,NORM_FROBENIUS=2,NORM_INFINITY=3,NORM_1_AND_2=4} NormType; 182 PETSC_EXTERN const char *const NormTypes[]; 183 #define NORM_MAX NORM_INFINITY 184 185 /*MC 186 NORM_1 - the one norm, ||v|| = sum_i | v_i |. ||A|| = max_j || v_*j ||, maximum column sum 187 188 Level: beginner 189 190 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_2, NORM_FROBENIUS, 191 NORM_INFINITY, NORM_1_AND_2 192 193 M*/ 194 195 /*MC 196 NORM_2 - the two norm, ||v|| = sqrt(sum_i |v_i|^2) (vectors only) 197 198 Level: beginner 199 200 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_FROBENIUS, 201 NORM_INFINITY, NORM_1_AND_2 202 203 M*/ 204 205 /*MC 206 NORM_FROBENIUS - ||A|| = sqrt(sum_ij |A_ij|^2), same as NORM_2 for vectors 207 208 Level: beginner 209 210 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 211 NORM_INFINITY, NORM_1_AND_2 212 213 M*/ 214 215 /*MC 216 NORM_INFINITY - ||v|| = max_i |v_i|. ||A|| = max_i || v_i* ||, maximum row sum 217 218 Level: beginner 219 220 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 221 NORM_FROBINIUS, NORM_1_AND_2 222 223 M*/ 224 225 /*MC 226 NORM_1_AND_2 - computes both the 1 and 2 norm of a vector 227 228 Level: beginner 229 230 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 231 NORM_FROBINIUS, NORM_INFINITY 232 233 M*/ 234 235 /*MC 236 NORM_MAX - see NORM_INFINITY 237 238 Level: beginner 239 240 M*/ 241 242 PETSC_EXTERN PetscErrorCode VecNorm(Vec,NormType,PetscReal *); 243 PETSC_EXTERN PetscErrorCode VecNormAvailable(Vec,NormType,PetscBool *,PetscReal *); 244 PETSC_EXTERN PetscErrorCode VecNormalize(Vec,PetscReal *); 245 PETSC_EXTERN PetscErrorCode VecSum(Vec,PetscScalar*); 246 PETSC_EXTERN PetscErrorCode VecMax(Vec,PetscInt*,PetscReal *); 247 PETSC_EXTERN PetscErrorCode VecMin(Vec,PetscInt*,PetscReal *); 248 PETSC_EXTERN PetscErrorCode VecScale(Vec,PetscScalar); 249 PETSC_EXTERN PetscErrorCode VecCopy(Vec,Vec); 250 PETSC_EXTERN PetscErrorCode VecSetRandom(Vec,PetscRandom); 251 PETSC_EXTERN PetscErrorCode VecSet(Vec,PetscScalar); 252 PETSC_EXTERN PetscErrorCode VecSetInf(Vec); 253 PETSC_EXTERN PetscErrorCode VecSwap(Vec,Vec); 254 PETSC_EXTERN PetscErrorCode VecAXPY(Vec,PetscScalar,Vec); 255 PETSC_EXTERN PetscErrorCode VecAXPBY(Vec,PetscScalar,PetscScalar,Vec); 256 PETSC_EXTERN PetscErrorCode VecMAXPY(Vec,PetscInt,const PetscScalar[],Vec[]); 257 PETSC_EXTERN PetscErrorCode VecAYPX(Vec,PetscScalar,Vec); 258 PETSC_EXTERN PetscErrorCode VecWAXPY(Vec,PetscScalar,Vec,Vec); 259 PETSC_EXTERN PetscErrorCode VecAXPBYPCZ(Vec,PetscScalar,PetscScalar,PetscScalar,Vec,Vec); 260 PETSC_EXTERN PetscErrorCode VecPointwiseMax(Vec,Vec,Vec); 261 PETSC_EXTERN PetscErrorCode VecPointwiseMaxAbs(Vec,Vec,Vec); 262 PETSC_EXTERN PetscErrorCode VecPointwiseMin(Vec,Vec,Vec); 263 PETSC_EXTERN PetscErrorCode VecPointwiseMult(Vec,Vec,Vec); 264 PETSC_EXTERN PetscErrorCode VecPointwiseDivide(Vec,Vec,Vec); 265 PETSC_EXTERN PetscErrorCode VecMaxPointwiseDivide(Vec,Vec,PetscReal*); 266 PETSC_EXTERN PetscErrorCode VecShift(Vec,PetscScalar); 267 PETSC_EXTERN PetscErrorCode VecReciprocal(Vec); 268 PETSC_EXTERN PetscErrorCode VecPermute(Vec, IS, PetscBool ); 269 PETSC_EXTERN PetscErrorCode VecSqrtAbs(Vec); 270 PETSC_EXTERN PetscErrorCode VecLog(Vec); 271 PETSC_EXTERN PetscErrorCode VecExp(Vec); 272 PETSC_EXTERN PetscErrorCode VecAbs(Vec); 273 PETSC_EXTERN PetscErrorCode VecDuplicate(Vec,Vec*); 274 PETSC_EXTERN PetscErrorCode VecDuplicateVecs(Vec,PetscInt,Vec*[]); 275 PETSC_EXTERN PetscErrorCode VecDestroyVecs(PetscInt, Vec*[]); 276 PETSC_EXTERN PetscErrorCode VecStrideNormAll(Vec,NormType,PetscReal[]); 277 PETSC_EXTERN PetscErrorCode VecStrideMaxAll(Vec,PetscInt [],PetscReal []); 278 PETSC_EXTERN PetscErrorCode VecStrideMinAll(Vec,PetscInt [],PetscReal []); 279 PETSC_EXTERN PetscErrorCode VecStrideScaleAll(Vec,const PetscScalar[]); 280 PETSC_EXTERN PetscErrorCode VecUniqueEntries(Vec,PetscInt*,PetscScalar**); 281 282 PETSC_EXTERN PetscErrorCode VecStrideNorm(Vec,PetscInt,NormType,PetscReal*); 283 PETSC_EXTERN PetscErrorCode VecStrideMax(Vec,PetscInt,PetscInt *,PetscReal *); 284 PETSC_EXTERN PetscErrorCode VecStrideMin(Vec,PetscInt,PetscInt *,PetscReal *); 285 PETSC_EXTERN PetscErrorCode VecStrideScale(Vec,PetscInt,PetscScalar); 286 PETSC_EXTERN PetscErrorCode VecStrideSet(Vec,PetscInt,PetscScalar); 287 288 289 PETSC_EXTERN PetscErrorCode VecStrideGather(Vec,PetscInt,Vec,InsertMode); 290 PETSC_EXTERN PetscErrorCode VecStrideScatter(Vec,PetscInt,Vec,InsertMode); 291 PETSC_EXTERN PetscErrorCode VecStrideGatherAll(Vec,Vec[],InsertMode); 292 PETSC_EXTERN PetscErrorCode VecStrideScatterAll(Vec[],Vec,InsertMode); 293 294 PETSC_EXTERN PetscErrorCode VecStrideSubSetScatter(Vec,PetscInt,const PetscInt[],const PetscInt[],Vec,InsertMode); 295 PETSC_EXTERN PetscErrorCode VecStrideSubSetGather(Vec,PetscInt,const PetscInt[],const PetscInt[],Vec,InsertMode); 296 297 PETSC_EXTERN PetscErrorCode VecSetValues(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 298 PETSC_EXTERN PetscErrorCode VecGetValues(Vec,PetscInt,const PetscInt[],PetscScalar[]); 299 PETSC_EXTERN PetscErrorCode VecAssemblyBegin(Vec); 300 PETSC_EXTERN PetscErrorCode VecAssemblyEnd(Vec); 301 PETSC_EXTERN PetscErrorCode VecStashSetInitialSize(Vec,PetscInt,PetscInt); 302 PETSC_EXTERN PetscErrorCode VecStashView(Vec,PetscViewer); 303 PETSC_EXTERN PetscErrorCode VecStashViewFromOptions(Vec,PetscObject,const char[]); 304 PETSC_EXTERN PetscErrorCode VecStashGetInfo(Vec,PetscInt*,PetscInt*,PetscInt*,PetscInt*); 305 306 /*MC 307 VecSetValue - Set a single entry into a vector. 308 309 Synopsis: 310 #include <petscvec.h> 311 PetscErrorCode VecSetValue(Vec v,PetscInt row,PetscScalar value, InsertMode mode); 312 313 Not Collective 314 315 Input Parameters: 316 + v - the vector 317 . row - the row location of the entry 318 . value - the value to insert 319 - mode - either INSERT_VALUES or ADD_VALUES 320 321 Notes: 322 For efficiency one should use VecSetValues() and set several or 323 many values simultaneously if possible. 324 325 These values may be cached, so VecAssemblyBegin() and VecAssemblyEnd() 326 MUST be called after all calls to VecSetValues() have been completed. 327 328 VecSetValues() uses 0-based indices in Fortran as well as in C. 329 330 Level: beginner 331 332 .seealso: VecSetValues(), VecAssemblyBegin(), VecAssemblyEnd(), VecSetValuesBlockedLocal(), VecSetValueLocal() 333 M*/ 334 PETSC_STATIC_INLINE PetscErrorCode VecSetValue(Vec v,PetscInt i,PetscScalar va,InsertMode mode) {return VecSetValues(v,1,&i,&va,mode);} 335 336 337 PETSC_EXTERN PetscErrorCode VecSetBlockSize(Vec,PetscInt); 338 PETSC_EXTERN PetscErrorCode VecGetBlockSize(Vec,PetscInt*); 339 PETSC_EXTERN PetscErrorCode VecSetValuesBlocked(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 340 341 /* Dynamic creation and loading functions */ 342 PETSC_EXTERN PetscFunctionList VecList; 343 PETSC_EXTERN PetscErrorCode VecSetType(Vec, VecType); 344 PETSC_EXTERN PetscErrorCode VecGetType(Vec, VecType *); 345 PETSC_EXTERN PetscErrorCode VecRegister(const char[],PetscErrorCode (*)(Vec)); 346 347 PETSC_EXTERN PetscErrorCode VecScatterCreate(Vec,IS,Vec,IS,VecScatter *); 348 PETSC_EXTERN PetscErrorCode VecScatterCreateEmpty(MPI_Comm,VecScatter *); 349 PETSC_EXTERN PetscErrorCode VecScatterBegin(VecScatter,Vec,Vec,InsertMode,ScatterMode); 350 PETSC_EXTERN PetscErrorCode VecScatterEnd(VecScatter,Vec,Vec,InsertMode,ScatterMode); 351 PETSC_EXTERN PetscErrorCode VecScatterDestroy(VecScatter*); 352 PETSC_EXTERN PetscErrorCode VecScatterCopy(VecScatter,VecScatter *); 353 PETSC_EXTERN PetscErrorCode VecScatterView(VecScatter,PetscViewer); 354 PETSC_STATIC_INLINE PetscErrorCode VecScatterViewFromOptions(VecScatter A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);} 355 PETSC_EXTERN PetscErrorCode VecScatterRemap(VecScatter,PetscInt *,PetscInt*); 356 PETSC_EXTERN PetscErrorCode VecScatterGetMerged(VecScatter,PetscBool *); 357 358 PETSC_EXTERN PetscErrorCode VecGetArray4d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 359 PETSC_EXTERN PetscErrorCode VecRestoreArray4d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 360 PETSC_EXTERN PetscErrorCode VecGetArray3d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 361 PETSC_EXTERN PetscErrorCode VecRestoreArray3d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 362 PETSC_EXTERN PetscErrorCode VecGetArray2d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 363 PETSC_EXTERN PetscErrorCode VecRestoreArray2d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 364 PETSC_EXTERN PetscErrorCode VecGetArray1d(Vec,PetscInt,PetscInt,PetscScalar *[]); 365 PETSC_EXTERN PetscErrorCode VecRestoreArray1d(Vec,PetscInt,PetscInt,PetscScalar *[]); 366 367 PETSC_EXTERN PetscErrorCode VecGetArray4dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 368 PETSC_EXTERN PetscErrorCode VecRestoreArray4dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 369 PETSC_EXTERN PetscErrorCode VecGetArray3dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 370 PETSC_EXTERN PetscErrorCode VecRestoreArray3dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 371 PETSC_EXTERN PetscErrorCode VecGetArray2dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 372 PETSC_EXTERN PetscErrorCode VecRestoreArray2dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 373 PETSC_EXTERN PetscErrorCode VecGetArray1dRead(Vec,PetscInt,PetscInt,PetscScalar *[]); 374 PETSC_EXTERN PetscErrorCode VecRestoreArray1dRead(Vec,PetscInt,PetscInt,PetscScalar *[]); 375 376 PETSC_EXTERN PetscErrorCode VecPlaceArray(Vec,const PetscScalar[]); 377 PETSC_EXTERN PetscErrorCode VecResetArray(Vec); 378 PETSC_EXTERN PetscErrorCode VecReplaceArray(Vec,const PetscScalar[]); 379 PETSC_EXTERN PetscErrorCode VecGetArrays(const Vec[],PetscInt,PetscScalar**[]); 380 PETSC_EXTERN PetscErrorCode VecRestoreArrays(const Vec[],PetscInt,PetscScalar**[]); 381 382 PETSC_EXTERN PetscErrorCode VecView(Vec,PetscViewer); 383 PETSC_EXTERN PetscErrorCode VecEqual(Vec,Vec,PetscBool *); 384 PETSC_EXTERN PetscErrorCode VecLoad(Vec, PetscViewer); 385 386 PETSC_EXTERN PetscErrorCode VecGetSize(Vec,PetscInt*); 387 PETSC_EXTERN PetscErrorCode VecGetLocalSize(Vec,PetscInt*); 388 PETSC_EXTERN PetscErrorCode VecGetOwnershipRange(Vec,PetscInt*,PetscInt*); 389 PETSC_EXTERN PetscErrorCode VecGetOwnershipRanges(Vec,const PetscInt *[]); 390 391 PETSC_EXTERN PetscErrorCode VecSetLocalToGlobalMapping(Vec,ISLocalToGlobalMapping); 392 PETSC_EXTERN PetscErrorCode VecSetValuesLocal(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 393 394 /*MC 395 VecSetValueLocal - Set a single entry into a vector using the local numbering 396 397 Synopsis: 398 #include <petscvec.h> 399 PetscErrorCode VecSetValueLocal(Vec v,PetscInt row,PetscScalar value, InsertMode mode); 400 401 Not Collective 402 403 Input Parameters: 404 + v - the vector 405 . row - the row location of the entry 406 . value - the value to insert 407 - mode - either INSERT_VALUES or ADD_VALUES 408 409 Notes: 410 For efficiency one should use VecSetValues() and set several or 411 many values simultaneously if possible. 412 413 These values may be cached, so VecAssemblyBegin() and VecAssemblyEnd() 414 MUST be called after all calls to VecSetValues() have been completed. 415 416 VecSetValues() uses 0-based indices in Fortran as well as in C. 417 418 Level: beginner 419 420 .seealso: VecSetValues(), VecAssemblyBegin(), VecAssemblyEnd(), VecSetValuesBlockedLocal(), VecSetValue() 421 M*/ 422 PETSC_STATIC_INLINE PetscErrorCode VecSetValueLocal(Vec v,PetscInt i,PetscScalar va,InsertMode mode) {return VecSetValuesLocal(v,1,&i,&va,mode);} 423 424 PETSC_EXTERN PetscErrorCode VecSetValuesBlockedLocal(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 425 PETSC_EXTERN PetscErrorCode VecGetLocalToGlobalMapping(Vec,ISLocalToGlobalMapping*); 426 427 PETSC_EXTERN PetscErrorCode VecDotBegin(Vec,Vec,PetscScalar *); 428 PETSC_EXTERN PetscErrorCode VecDotEnd(Vec,Vec,PetscScalar *); 429 PETSC_EXTERN PetscErrorCode VecTDotBegin(Vec,Vec,PetscScalar *); 430 PETSC_EXTERN PetscErrorCode VecTDotEnd(Vec,Vec,PetscScalar *); 431 PETSC_EXTERN PetscErrorCode VecNormBegin(Vec,NormType,PetscReal *); 432 PETSC_EXTERN PetscErrorCode VecNormEnd(Vec,NormType,PetscReal *); 433 434 PETSC_EXTERN PetscErrorCode VecMDotBegin(Vec,PetscInt,const Vec[],PetscScalar[]); 435 PETSC_EXTERN PetscErrorCode VecMDotEnd(Vec,PetscInt,const Vec[],PetscScalar[]); 436 PETSC_EXTERN PetscErrorCode VecMTDotBegin(Vec,PetscInt,const Vec[],PetscScalar[]); 437 PETSC_EXTERN PetscErrorCode VecMTDotEnd(Vec,PetscInt,const Vec[],PetscScalar[]); 438 PETSC_EXTERN PetscErrorCode PetscCommSplitReductionBegin(MPI_Comm); 439 440 441 typedef enum {VEC_IGNORE_OFF_PROC_ENTRIES,VEC_IGNORE_NEGATIVE_INDICES,VEC_SUBSET_OFF_PROC_ENTRIES} VecOption; 442 PETSC_EXTERN PetscErrorCode VecSetOption(Vec,VecOption,PetscBool ); 443 444 PETSC_EXTERN PetscErrorCode VecGetArray(Vec,PetscScalar**); 445 PETSC_EXTERN PetscErrorCode VecGetArrayRead(Vec,const PetscScalar**); 446 PETSC_EXTERN PetscErrorCode VecRestoreArray(Vec,PetscScalar**); 447 PETSC_EXTERN PetscErrorCode VecRestoreArrayRead(Vec,const PetscScalar**); 448 PETSC_EXTERN PetscErrorCode VecGetLocalVector(Vec,Vec); 449 PETSC_EXTERN PetscErrorCode VecRestoreLocalVector(Vec,Vec); 450 PETSC_EXTERN PetscErrorCode VecGetLocalVectorRead(Vec,Vec); 451 PETSC_EXTERN PetscErrorCode VecRestoreLocalVectorRead(Vec,Vec); 452 453 /*@C 454 VecGetArrayPair - Accesses a pair of pointers for two vectors that may be common. When not common the first is read only 455 456 Logically Collective on Vec 457 458 Input Parameters: 459 + x - the vector 460 - y - the second vector 461 462 Output Parameters: 463 + xv - location to put pointer to the first array 464 - yv - location to put pointer to the second array 465 466 Level: developer 467 468 Not available from Fortran 469 470 .seealso: VecGetArray(), VecGetArrayRead(), VecRestoreArrayPair() 471 472 @*/ 473 PETSC_STATIC_INLINE PetscErrorCode VecGetArrayPair(Vec x,Vec y,PetscScalar **xv,PetscScalar **yv) 474 { 475 PetscErrorCode ierr; 476 477 PetscFunctionBegin; 478 ierr = VecGetArray(y,yv);CHKERRQ(ierr); 479 if (x != y) { 480 ierr = VecGetArrayRead(x,(const PetscScalar **)xv);CHKERRQ(ierr); 481 } else { 482 *xv = *yv; 483 } 484 PetscFunctionReturn(0); 485 } 486 487 /*@C 488 VecRestoreArrayPair - Returns a pair of pointers for two vectors that may be common. When not common the first is read only 489 490 Logically Collective on Vec 491 492 Input Parameters: 493 + x - the vector 494 - y - the second vector 495 496 Output Parameters: 497 + xv - location to put pointer to the first array 498 - yv - location to put pointer to the second array 499 500 Level: developer 501 502 Not available from Fortran 503 504 .seealso: VecGetArray(), VecGetArrayRead(), VecGetArrayPair() 505 506 @*/ 507 PETSC_STATIC_INLINE PetscErrorCode VecRestoreArrayPair(Vec x,Vec y,PetscScalar **xv,PetscScalar **yv) 508 { 509 PetscErrorCode ierr; 510 511 PetscFunctionBegin; 512 ierr = VecRestoreArray(y,yv);CHKERRQ(ierr); 513 if (x != y) { 514 ierr = VecRestoreArrayRead(x,(const PetscScalar **)xv);CHKERRQ(ierr); 515 } 516 PetscFunctionReturn(0); 517 } 518 519 #if defined(PETSC_USE_DEBUG) 520 PETSC_EXTERN PetscErrorCode VecLockGet(Vec,PetscInt*); 521 PETSC_EXTERN PetscErrorCode VecLockPush(Vec); 522 PETSC_EXTERN PetscErrorCode VecLockPop(Vec); 523 #define VecLocked(x,arg) do {PetscInt _st; PetscErrorCode __ierr = VecLockGet(x,&_st); CHKERRQ(__ierr); if (_st > 0) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE," Vec is locked read only, argument # %d",arg);} while (0) 524 #else 525 #define VecLockGet(x,arg) *(arg) = 0 526 #define VecLockPush(x) 0 527 #define VecLockPop(x) 0 528 #define VecLocked(x,arg) 529 #endif 530 531 PETSC_EXTERN PetscErrorCode VecValidValues(Vec,PetscInt,PetscBool); 532 533 /* 534 These numbers need to match the entries in 535 the function table in vecimpl.h 536 */ 537 typedef enum { VECOP_DUPLICATE = 0, VECOP_VIEW = 33, VECOP_LOAD = 41, VECOP_VIEWNATIVE = 68, VECOP_LOADNATIVE = 69 } VecOperation; 538 PETSC_EXTERN PetscErrorCode VecSetOperation(Vec,VecOperation,void(*)(void)); 539 540 /* 541 Routines for dealing with ghosted vectors: 542 vectors with ghost elements at the end of the array. 543 */ 544 PETSC_EXTERN PetscErrorCode VecMPISetGhost(Vec,PetscInt,const PetscInt[]); 545 PETSC_EXTERN PetscErrorCode VecCreateGhost(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*); 546 PETSC_EXTERN PetscErrorCode VecCreateGhostWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*); 547 PETSC_EXTERN PetscErrorCode VecCreateGhostBlock(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*); 548 PETSC_EXTERN PetscErrorCode VecCreateGhostBlockWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*); 549 PETSC_EXTERN PetscErrorCode VecGhostGetLocalForm(Vec,Vec*); 550 PETSC_EXTERN PetscErrorCode VecGhostRestoreLocalForm(Vec,Vec*); 551 PETSC_EXTERN PetscErrorCode VecGhostIsLocalForm(Vec,Vec,PetscBool*); 552 PETSC_EXTERN PetscErrorCode VecGhostUpdateBegin(Vec,InsertMode,ScatterMode); 553 PETSC_EXTERN PetscErrorCode VecGhostUpdateEnd(Vec,InsertMode,ScatterMode); 554 555 PETSC_EXTERN PetscErrorCode VecConjugate(Vec); 556 557 PETSC_EXTERN PetscErrorCode VecScatterCreateToAll(Vec,VecScatter*,Vec*); 558 PETSC_EXTERN PetscErrorCode VecScatterCreateToZero(Vec,VecScatter*,Vec*); 559 560 PETSC_EXTERN PetscErrorCode ISComplementVec(IS,Vec,IS*); 561 PETSC_EXTERN PetscErrorCode VecPow(Vec, PetscScalar); 562 PETSC_EXTERN PetscErrorCode VecMedian(Vec, Vec, Vec, Vec); 563 PETSC_EXTERN PetscErrorCode VecWhichInactive(Vec, Vec, Vec, Vec, PetscBool, IS *); 564 PETSC_EXTERN PetscErrorCode VecWhichBetween(Vec, Vec, Vec, IS *); 565 PETSC_EXTERN PetscErrorCode VecWhichBetweenOrEqual(Vec, Vec, Vec, IS *); 566 PETSC_EXTERN PetscErrorCode VecWhichGreaterThan(Vec, Vec, IS * ); 567 PETSC_EXTERN PetscErrorCode VecWhichLessThan(Vec, Vec, IS *); 568 PETSC_EXTERN PetscErrorCode VecWhichEqual(Vec, Vec, IS *); 569 PETSC_EXTERN PetscErrorCode VecISAXPY(Vec, IS, PetscScalar,Vec); 570 PETSC_EXTERN PetscErrorCode VecISCopy(Vec, IS, ScatterMode, Vec); 571 PETSC_EXTERN PetscErrorCode VecISSet(Vec,IS, PetscScalar); 572 PETSC_EXTERN PetscErrorCode VecBoundGradientProjection(Vec, Vec, Vec, Vec, Vec); 573 PETSC_EXTERN PetscErrorCode VecStepBoundInfo(Vec,Vec,Vec,Vec,PetscReal*, PetscReal*,PetscReal*); 574 PETSC_EXTERN PetscErrorCode VecStepMax(Vec, Vec, PetscReal *); 575 PETSC_EXTERN PetscErrorCode VecStepMaxBounded(Vec,Vec,Vec,Vec,PetscReal*); 576 577 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaGetVector(PetscViewer, Vec); 578 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutVector(PetscViewer, Vec); 579 580 /*S 581 Vecs - Collection of vectors where the data for the vectors is stored in 582 one contiguous memory 583 584 Level: advanced 585 586 Notes: 587 Temporary construct for handling multiply right hand side solves 588 589 This is faked by storing a single vector that has enough array space for 590 n vectors 591 592 Concepts: parallel decomposition 593 594 S*/ 595 struct _n_Vecs {PetscInt n; Vec v;}; 596 typedef struct _n_Vecs* Vecs; 597 PETSC_EXTERN PetscErrorCode VecsDestroy(Vecs); 598 PETSC_EXTERN PetscErrorCode VecsCreateSeq(MPI_Comm,PetscInt,PetscInt,Vecs*); 599 PETSC_EXTERN PetscErrorCode VecsCreateSeqWithArray(MPI_Comm,PetscInt,PetscInt,PetscScalar*,Vecs*); 600 PETSC_EXTERN PetscErrorCode VecsDuplicate(Vecs,Vecs*); 601 602 #if defined(PETSC_HAVE_CUSP) 603 typedef struct _p_PetscCUSPIndices* PetscCUSPIndices; 604 typedef struct _p_VecScatterCUSPIndices_StoS* VecScatterCUSPIndices_StoS; 605 typedef struct _p_VecScatterCUSPIndices_PtoP* VecScatterCUSPIndices_PtoP; 606 PETSC_EXTERN PetscErrorCode VecCUSPCopyToGPUSome_Public(Vec,PetscCUSPIndices); 607 PETSC_EXTERN PetscErrorCode VecCUSPCopyFromGPUSome_Public(Vec,PetscCUSPIndices); 608 PETSC_EXTERN PetscErrorCode VecScatterInitializeForGPU(VecScatter,Vec,ScatterMode); 609 PETSC_EXTERN PetscErrorCode VecScatterFinalizeForGPU(VecScatter); 610 PETSC_EXTERN PetscErrorCode VecCreateSeqCUSP(MPI_Comm,PetscInt,Vec*); 611 PETSC_EXTERN PetscErrorCode VecCreateMPICUSP(MPI_Comm,PetscInt,PetscInt,Vec*); 612 #elif defined(PETSC_HAVE_VIENNACL) 613 typedef struct _p_PetscViennaCLIndices* PetscViennaCLIndices; 614 PETSC_EXTERN PetscErrorCode PetscViennaCLIndicesCreate(PetscInt, PetscInt*,PetscInt, PetscInt*,PetscViennaCLIndices*); 615 PETSC_EXTERN PetscErrorCode PetscViennaCLIndicesDestroy(PetscViennaCLIndices*); 616 PETSC_EXTERN PetscErrorCode VecViennaCLCopyToGPUSome_Public(Vec,PetscViennaCLIndices); 617 PETSC_EXTERN PetscErrorCode VecViennaCLCopyFromGPUSome_Public(Vec,PetscViennaCLIndices); 618 PETSC_EXTERN PetscErrorCode VecCreateSeqViennaCL(MPI_Comm,PetscInt,Vec*); 619 PETSC_EXTERN PetscErrorCode VecCreateMPIViennaCL(MPI_Comm,PetscInt,PetscInt,Vec*); 620 #elif defined(PETSC_HAVE_VECCUDA) 621 typedef struct _p_PetscCUDAIndices* PetscCUDAIndices; 622 typedef struct _p_VecScatterCUDAIndices_StoS* VecScatterCUDAIndices_StoS; 623 typedef struct _p_VecScatterCUDAIndices_PtoP* VecScatterCUDAIndices_PtoP; 624 PETSC_EXTERN PetscErrorCode VecCUDACopyToGPUSome_Public(Vec,PetscCUDAIndices); 625 PETSC_EXTERN PetscErrorCode VecCUDACopyFromGPUSome_Public(Vec,PetscCUDAIndices); 626 PETSC_EXTERN PetscErrorCode VecScatterInitializeForGPU(VecScatter,Vec,ScatterMode); 627 PETSC_EXTERN PetscErrorCode VecScatterFinalizeForGPU(VecScatter); 628 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDA(MPI_Comm,PetscInt,Vec*); 629 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDAWithArray(MPI_Comm,PetscInt,PetscInt,const PetscScalar*,Vec*); 630 PETSC_EXTERN PetscErrorCode VecCreateMPICUDA(MPI_Comm,PetscInt,PetscInt,Vec*); 631 PETSC_EXTERN PetscErrorCode VecCreateMPICUDAWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscScalar*,Vec*); 632 #endif 633 634 PETSC_EXTERN PetscErrorCode VecNestGetSubVecs(Vec,PetscInt*,Vec**); 635 PETSC_EXTERN PetscErrorCode VecNestGetSubVec(Vec,PetscInt,Vec*); 636 PETSC_EXTERN PetscErrorCode VecNestSetSubVecs(Vec,PetscInt,PetscInt*,Vec*); 637 PETSC_EXTERN PetscErrorCode VecNestSetSubVec(Vec,PetscInt,Vec); 638 PETSC_EXTERN PetscErrorCode VecCreateNest(MPI_Comm,PetscInt,IS*,Vec*,Vec*); 639 PETSC_EXTERN PetscErrorCode VecNestGetSize(Vec,PetscInt*); 640 641 PETSC_EXTERN PetscErrorCode PetscOptionsGetVec(PetscOptions,const char[],const char[],Vec,PetscBool*); 642 PETSC_EXTERN PetscErrorCode VecChop(Vec,PetscReal); 643 644 PETSC_EXTERN PetscErrorCode VecGetLayout(Vec,PetscLayout*); 645 PETSC_EXTERN PetscErrorCode VecSetLayout(Vec,PetscLayout); 646 647 PETSC_EXTERN PetscErrorCode PetscSectionVecView(PetscSection, Vec, PetscViewer); 648 PETSC_EXTERN PetscErrorCode VecGetValuesSection(Vec, PetscSection, PetscInt, PetscScalar **); 649 PETSC_EXTERN PetscErrorCode VecSetValuesSection(Vec, PetscSection, PetscInt, PetscScalar [], InsertMode); 650 PETSC_EXTERN PetscErrorCode PetscSectionVecNorm(PetscSection, PetscSection, Vec, NormType, PetscReal []); 651 652 PETSC_EXTERN PetscErrorCode PetscSFCreateFromZero(MPI_Comm,Vec,PetscSF*); 653 654 /*S 655 VecTagger - Object used to manage the tagging of a subset of indices based on the values of a vector. The 656 motivating application is the selection of cells for refinement or coarsening based on vector containing 657 the values in an error indicator metric. 658 659 Level: advanced 660 S*/ 661 typedef struct _p_VecTagger *VecTagger; 662 663 /*J 664 VecTaggerType - String with the name of a VecTagger type 665 666 Level: advanced 667 J*/ 668 typedef const char* VecTaggerType; 669 /* tag where the vector values are in a box of explicitly defined values */ 670 #define VECTAGGERABSOLUTE "absolute" 671 /* tag where the vector values are in a box of values relative to the set of all values in the vector */ 672 #define VECTAGGERRELATIVE "relative" 673 /* tag where the vector values are in a relative range of the *cumulative distribution* of values in the vector */ 674 #define VECTAGGERCDF "cdf" 675 /* tag a vector as the union of other tags */ 676 #define VECTAGGEROR "or" 677 /* tag a vector as the intersection of other tags */ 678 #define VECTAGGERAND "and" 679 680 PETSC_EXTERN PetscClassId VEC_TAGGER_CLASSID; 681 PETSC_EXTERN PetscFunctionList VecTaggerList; 682 PETSC_EXTERN PetscErrorCode VecTaggerRegister(const char[],PetscErrorCode (*) (VecTagger)); 683 684 PETSC_EXTERN PetscErrorCode VecTaggerCreate(MPI_Comm,VecTagger *); 685 PETSC_EXTERN PetscErrorCode VecTaggerSetBlockSize(VecTagger,PetscInt); 686 PETSC_EXTERN PetscErrorCode VecTaggerGetBlockSize(VecTagger,PetscInt*); 687 PETSC_EXTERN PetscErrorCode VecTaggerSetType(VecTagger,VecTaggerType); 688 PETSC_EXTERN PetscErrorCode VecTaggerGetType(VecTagger,VecTaggerType *); 689 PETSC_EXTERN PetscErrorCode VecTaggerSetInvert(VecTagger,PetscBool); 690 PETSC_EXTERN PetscErrorCode VecTaggerGetInvert(VecTagger,PetscBool*); 691 PETSC_EXTERN PetscErrorCode VecTaggerSetFromOptions(VecTagger); 692 PETSC_EXTERN PetscErrorCode VecTaggerSetUp(VecTagger); 693 PETSC_EXTERN PetscErrorCode VecTaggerView(VecTagger,PetscViewer); 694 PETSC_EXTERN PetscErrorCode VecTaggerComputeIS(VecTagger,Vec,IS *); 695 PETSC_EXTERN PetscErrorCode VecTaggerDestroy(VecTagger *); 696 697 /*S 698 VecTaggerBox - A box range used to tag values. For real scalars, this is just a closed interval; for complex scalars, the box is the closed region in the complex plane 699 such that real(min) <= real(z) <= real(max) and imag(min) <= imag(z) <= imag(max). INF is an acceptable endpoint. 700 701 Level: beginner 702 703 .seealso: VecTaggerComputeIntervals() 704 S*/ 705 typedef struct { 706 PetscScalar min; 707 PetscScalar max; 708 } VecTaggerBox; 709 PETSC_EXTERN PetscErrorCode VecTaggerComputeBoxes(VecTagger,Vec,PetscInt *,VecTaggerBox **); 710 711 712 PETSC_EXTERN PetscErrorCode VecTaggerAbsoluteSetBox(VecTagger,VecTaggerBox *); 713 PETSC_EXTERN PetscErrorCode VecTaggerAbsoluteGetBox(VecTagger,const VecTaggerBox **); 714 715 PETSC_EXTERN PetscErrorCode VecTaggerRelativeSetBox(VecTagger,VecTaggerBox *); 716 PETSC_EXTERN PetscErrorCode VecTaggerRelativeGetBox(VecTagger,const VecTaggerBox **); 717 718 PETSC_EXTERN PetscErrorCode VecTaggerCDFSetBox(VecTagger,VecTaggerBox *); 719 PETSC_EXTERN PetscErrorCode VecTaggerCDFGetBox(VecTagger,const VecTaggerBox **); 720 721 /*E 722 VecTaggerCDFMethod - Determines what method is used to compute absolute values from cumulative distribution values (e.g., what value is the preimage of .95 in the cdf). Relevant only in parallel: in serial it is directly computed. 723 724 Level: advanced 725 .seealso: VecTaggerCDFSetMethod(), VecTaggerCDFMethods 726 E*/ 727 typedef enum {VECTAGGER_CDF_GATHER,VECTAGGER_CDF_ITERATIVE,VECTAGGER_CDF_NUM_METHODS} VecTaggerCDFMethod; 728 PETSC_EXTERN const char *const VecTaggerCDFMethods[]; 729 730 PETSC_EXTERN PetscErrorCode VecTaggerCDFSetMethod(VecTagger,VecTaggerCDFMethod); 731 PETSC_EXTERN PetscErrorCode VecTaggerCDFGetMethod(VecTagger,VecTaggerCDFMethod*); 732 PETSC_EXTERN PetscErrorCode VecTaggerCDFIterativeSetTolerances(VecTagger,PetscInt,PetscReal,PetscReal); 733 PETSC_EXTERN PetscErrorCode VecTaggerCDFIterativeGetTolerances(VecTagger,PetscInt*,PetscReal*,PetscReal*); 734 735 PETSC_EXTERN PetscErrorCode VecTaggerOrSetSubs(VecTagger,PetscInt,VecTagger*,PetscCopyMode); 736 PETSC_EXTERN PetscErrorCode VecTaggerOrGetSubs(VecTagger,PetscInt*,VecTagger**); 737 738 PETSC_EXTERN PetscErrorCode VecTaggerAndSetSubs(VecTagger,PetscInt,VecTagger*,PetscCopyMode); 739 PETSC_EXTERN PetscErrorCode VecTaggerAndGetSubs(VecTagger,PetscInt*,VecTagger**); 740 741 PETSC_EXTERN PetscErrorCode VecTaggerInitializePackage(void); 742 PETSC_EXTERN PetscErrorCode VecTaggerFinalizePackage(void); 743 744 #endif 745 746