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 VECNEST "nest" 107 #define VECSEQPTHREAD "seqpthread" 108 #define VECMPIPTHREAD "mpipthread" 109 #define VECPTHREAD "pthread" /* seqpthread on one process and mpipthread on several */ 110 111 112 /* Logging support */ 113 #define VEC_FILE_CLASSID 1211214 114 PETSC_EXTERN PetscClassId VEC_CLASSID; 115 PETSC_EXTERN PetscClassId VEC_SCATTER_CLASSID; 116 117 118 PETSC_EXTERN PetscErrorCode VecInitializePackage(void); 119 PETSC_EXTERN PetscErrorCode VecFinalizePackage(void); 120 121 PETSC_EXTERN PetscErrorCode VecCreate(MPI_Comm,Vec*); 122 PETSC_EXTERN PetscErrorCode VecCreateSeq(MPI_Comm,PetscInt,Vec*); 123 PETSC_EXTERN PetscErrorCode VecCreateMPI(MPI_Comm,PetscInt,PetscInt,Vec*); 124 PETSC_EXTERN PetscErrorCode VecCreateSeqWithArray(MPI_Comm,PetscInt,PetscInt,const PetscScalar[],Vec*); 125 PETSC_EXTERN PetscErrorCode VecCreateMPIWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscScalar[],Vec*); 126 PETSC_EXTERN PetscErrorCode VecCreateShared(MPI_Comm,PetscInt,PetscInt,Vec*); 127 PETSC_EXTERN PetscErrorCode VecSetFromOptions(Vec); 128 PETSC_STATIC_INLINE PetscErrorCode VecViewFromOptions(Vec A,const char prefix[],const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,prefix,name);} 129 130 PETSC_EXTERN PetscErrorCode VecSetUp(Vec); 131 PETSC_EXTERN PetscErrorCode VecDestroy(Vec*); 132 PETSC_EXTERN PetscErrorCode VecZeroEntries(Vec); 133 PETSC_EXTERN PetscErrorCode VecSetOptionsPrefix(Vec,const char[]); 134 PETSC_EXTERN PetscErrorCode VecAppendOptionsPrefix(Vec,const char[]); 135 PETSC_EXTERN PetscErrorCode VecGetOptionsPrefix(Vec,const char*[]); 136 137 PETSC_EXTERN PetscErrorCode VecSetSizes(Vec,PetscInt,PetscInt); 138 139 PETSC_EXTERN PetscErrorCode VecDotNorm2(Vec,Vec,PetscScalar*,PetscReal*); 140 PETSC_EXTERN PetscErrorCode VecDot(Vec,Vec,PetscScalar*); 141 PETSC_EXTERN PetscErrorCode VecDotRealPart(Vec,Vec,PetscReal*); 142 PETSC_EXTERN PetscErrorCode VecTDot(Vec,Vec,PetscScalar*); 143 PETSC_EXTERN PetscErrorCode VecMDot(Vec,PetscInt,const Vec[],PetscScalar[]); 144 PETSC_EXTERN PetscErrorCode VecMTDot(Vec,PetscInt,const Vec[],PetscScalar[]); 145 PETSC_EXTERN PetscErrorCode VecGetSubVector(Vec,IS,Vec*); 146 PETSC_EXTERN PetscErrorCode VecRestoreSubVector(Vec,IS,Vec*); 147 148 /*E 149 NormType - determines what type of norm to compute 150 151 Level: beginner 152 153 .seealso: VecNorm(), VecNormBegin(), VecNormEnd(), MatNorm() 154 E*/ 155 typedef enum {NORM_1=0,NORM_2=1,NORM_FROBENIUS=2,NORM_INFINITY=3,NORM_1_AND_2=4} NormType; 156 PETSC_EXTERN const char *const NormTypes[]; 157 #define NORM_MAX NORM_INFINITY 158 159 /*MC 160 NORM_1 - the one norm, ||v|| = sum_i | v_i |. ||A|| = max_j || v_*j ||, maximum column sum 161 162 Level: beginner 163 164 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_2, NORM_FROBENIUS, 165 NORM_INFINITY, NORM_1_AND_2 166 167 M*/ 168 169 /*MC 170 NORM_2 - the two norm, ||v|| = sqrt(sum_i (v_i)^2) (vectors only) 171 172 Level: beginner 173 174 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_FROBENIUS, 175 NORM_INFINITY, NORM_1_AND_2 176 177 M*/ 178 179 /*MC 180 NORM_FROBENIUS - ||A|| = sqrt(sum_ij (A_ij)^2), same as NORM_2 for vectors 181 182 Level: beginner 183 184 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 185 NORM_INFINITY, NORM_1_AND_2 186 187 M*/ 188 189 /*MC 190 NORM_INFINITY - ||v|| = max_i |v_i|. ||A|| = max_i || v_i* ||, maximum row sum 191 192 Level: beginner 193 194 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 195 NORM_FROBINIUS, NORM_1_AND_2 196 197 M*/ 198 199 /*MC 200 NORM_1_AND_2 - computes both the 1 and 2 norm of a vector 201 202 Level: beginner 203 204 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 205 NORM_FROBINIUS, NORM_INFINITY 206 207 M*/ 208 209 /*MC 210 NORM_MAX - see NORM_INFINITY 211 212 Level: beginner 213 214 M*/ 215 216 PETSC_EXTERN PetscErrorCode VecNorm(Vec,NormType,PetscReal *); 217 PETSC_EXTERN PetscErrorCode VecNormAvailable(Vec,NormType,PetscBool *,PetscReal *); 218 PETSC_EXTERN PetscErrorCode VecNormalize(Vec,PetscReal *); 219 PETSC_EXTERN PetscErrorCode VecSum(Vec,PetscScalar*); 220 PETSC_EXTERN PetscErrorCode VecMax(Vec,PetscInt*,PetscReal *); 221 PETSC_EXTERN PetscErrorCode VecMin(Vec,PetscInt*,PetscReal *); 222 PETSC_EXTERN PetscErrorCode VecScale(Vec,PetscScalar); 223 PETSC_EXTERN PetscErrorCode VecCopy(Vec,Vec); 224 PETSC_EXTERN PetscErrorCode VecSetRandom(Vec,PetscRandom); 225 PETSC_EXTERN PetscErrorCode VecSet(Vec,PetscScalar); 226 PETSC_EXTERN PetscErrorCode VecSwap(Vec,Vec); 227 PETSC_EXTERN PetscErrorCode VecAXPY(Vec,PetscScalar,Vec); 228 PETSC_EXTERN PetscErrorCode VecAXPBY(Vec,PetscScalar,PetscScalar,Vec); 229 PETSC_EXTERN PetscErrorCode VecMAXPY(Vec,PetscInt,const PetscScalar[],Vec[]); 230 PETSC_EXTERN PetscErrorCode VecAYPX(Vec,PetscScalar,Vec); 231 PETSC_EXTERN PetscErrorCode VecWAXPY(Vec,PetscScalar,Vec,Vec); 232 PETSC_EXTERN PetscErrorCode VecAXPBYPCZ(Vec,PetscScalar,PetscScalar,PetscScalar,Vec,Vec); 233 PETSC_EXTERN PetscErrorCode VecPointwiseMax(Vec,Vec,Vec); 234 PETSC_EXTERN PetscErrorCode VecPointwiseMaxAbs(Vec,Vec,Vec); 235 PETSC_EXTERN PetscErrorCode VecPointwiseMin(Vec,Vec,Vec); 236 PETSC_EXTERN PetscErrorCode VecPointwiseMult(Vec,Vec,Vec); 237 PETSC_EXTERN PetscErrorCode VecPointwiseDivide(Vec,Vec,Vec); 238 PETSC_EXTERN PetscErrorCode VecMaxPointwiseDivide(Vec,Vec,PetscReal*); 239 PETSC_EXTERN PetscErrorCode VecShift(Vec,PetscScalar); 240 PETSC_EXTERN PetscErrorCode VecReciprocal(Vec); 241 PETSC_EXTERN PetscErrorCode VecPermute(Vec, IS, PetscBool ); 242 PETSC_EXTERN PetscErrorCode VecSqrtAbs(Vec); 243 PETSC_EXTERN PetscErrorCode VecLog(Vec); 244 PETSC_EXTERN PetscErrorCode VecExp(Vec); 245 PETSC_EXTERN PetscErrorCode VecAbs(Vec); 246 PETSC_EXTERN PetscErrorCode VecDuplicate(Vec,Vec*); 247 PETSC_EXTERN PetscErrorCode VecDuplicateVecs(Vec,PetscInt,Vec*[]); 248 PETSC_EXTERN PetscErrorCode VecDestroyVecs(PetscInt, Vec*[]); 249 PETSC_EXTERN PetscErrorCode VecStrideNormAll(Vec,NormType,PetscReal[]); 250 PETSC_EXTERN PetscErrorCode VecStrideMaxAll(Vec,PetscInt [],PetscReal []); 251 PETSC_EXTERN PetscErrorCode VecStrideMinAll(Vec,PetscInt [],PetscReal []); 252 PETSC_EXTERN PetscErrorCode VecStrideScaleAll(Vec,const PetscScalar[]); 253 PETSC_EXTERN PetscErrorCode VecUniqueEntries(Vec,PetscInt*,PetscScalar**); 254 255 PETSC_EXTERN PetscErrorCode VecStrideNorm(Vec,PetscInt,NormType,PetscReal*); 256 PETSC_EXTERN PetscErrorCode VecStrideMax(Vec,PetscInt,PetscInt *,PetscReal *); 257 PETSC_EXTERN PetscErrorCode VecStrideMin(Vec,PetscInt,PetscInt *,PetscReal *); 258 PETSC_EXTERN PetscErrorCode VecStrideScale(Vec,PetscInt,PetscScalar); 259 PETSC_EXTERN PetscErrorCode VecStrideSet(Vec,PetscInt,PetscScalar); 260 261 262 PETSC_EXTERN PetscErrorCode VecStrideGather(Vec,PetscInt,Vec,InsertMode); 263 PETSC_EXTERN PetscErrorCode VecStrideScatter(Vec,PetscInt,Vec,InsertMode); 264 PETSC_EXTERN PetscErrorCode VecStrideGatherAll(Vec,Vec[],InsertMode); 265 PETSC_EXTERN PetscErrorCode VecStrideScatterAll(Vec[],Vec,InsertMode); 266 267 PETSC_EXTERN PetscErrorCode VecSetValues(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 268 PETSC_EXTERN PetscErrorCode VecGetValues(Vec,PetscInt,const PetscInt[],PetscScalar[]); 269 PETSC_EXTERN PetscErrorCode VecAssemblyBegin(Vec); 270 PETSC_EXTERN PetscErrorCode VecAssemblyEnd(Vec); 271 PETSC_EXTERN PetscErrorCode VecStashSetInitialSize(Vec,PetscInt,PetscInt); 272 PETSC_EXTERN PetscErrorCode VecStashView(Vec,PetscViewer); 273 PETSC_EXTERN PetscErrorCode VecStashViewFromOptions(Vec,const char[],const char[]); 274 PETSC_EXTERN PetscErrorCode VecStashGetInfo(Vec,PetscInt*,PetscInt*,PetscInt*,PetscInt*); 275 276 /*MC 277 VecSetValue - Set a single entry into a vector. 278 279 Synopsis: 280 #include "petscvec.h" 281 PetscErrorCode VecSetValue(Vec v,PetscInt row,PetscScalar value, InsertMode mode); 282 283 Not Collective 284 285 Input Parameters: 286 + v - the vector 287 . row - the row location of the entry 288 . value - the value to insert 289 - mode - either INSERT_VALUES or ADD_VALUES 290 291 Notes: 292 For efficiency one should use VecSetValues() and set several or 293 many values simultaneously if possible. 294 295 These values may be cached, so VecAssemblyBegin() and VecAssemblyEnd() 296 MUST be called after all calls to VecSetValues() have been completed. 297 298 VecSetValues() uses 0-based indices in Fortran as well as in C. 299 300 Level: beginner 301 302 .seealso: VecSetValues(), VecAssemblyBegin(), VecAssemblyEnd(), VecSetValuesBlockedLocal(), VecSetValueLocal() 303 M*/ 304 PETSC_STATIC_INLINE PetscErrorCode VecSetValue(Vec v,PetscInt i,PetscScalar va,InsertMode mode) {return VecSetValues(v,1,&i,&va,mode);} 305 306 307 PETSC_EXTERN PetscErrorCode VecSetBlockSize(Vec,PetscInt); 308 PETSC_EXTERN PetscErrorCode VecGetBlockSize(Vec,PetscInt*); 309 PETSC_EXTERN PetscErrorCode VecSetValuesBlocked(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 310 311 /* Dynamic creation and loading functions */ 312 PETSC_EXTERN PetscFunctionList VecList; 313 PETSC_EXTERN PetscBool VecRegisterAllCalled; 314 PETSC_EXTERN PetscErrorCode VecSetType(Vec, VecType); 315 PETSC_EXTERN PetscErrorCode VecGetType(Vec, VecType *); 316 PETSC_EXTERN PetscErrorCode VecRegister(const char[],PetscErrorCode (*)(Vec)); 317 PETSC_EXTERN PetscErrorCode VecRegisterAll(void); 318 319 PETSC_EXTERN PetscErrorCode VecScatterCreate(Vec,IS,Vec,IS,VecScatter *); 320 PETSC_EXTERN PetscErrorCode VecScatterCreateEmpty(MPI_Comm,VecScatter *); 321 PETSC_EXTERN PetscErrorCode VecScatterCreateLocal(VecScatter,PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],PetscInt); 322 PETSC_EXTERN PetscErrorCode VecScatterBegin(VecScatter,Vec,Vec,InsertMode,ScatterMode); 323 PETSC_EXTERN PetscErrorCode VecScatterEnd(VecScatter,Vec,Vec,InsertMode,ScatterMode); 324 PETSC_EXTERN PetscErrorCode VecScatterDestroy(VecScatter*); 325 PETSC_EXTERN PetscErrorCode VecScatterCopy(VecScatter,VecScatter *); 326 PETSC_EXTERN PetscErrorCode VecScatterView(VecScatter,PetscViewer); 327 PETSC_STATIC_INLINE PetscErrorCode VecScatterViewFromOptions(VecScatter A,const char prefix[],const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,prefix,name);} 328 PETSC_EXTERN PetscErrorCode VecScatterRemap(VecScatter,PetscInt *,PetscInt*); 329 PETSC_EXTERN PetscErrorCode VecScatterGetMerged(VecScatter,PetscBool *); 330 331 PETSC_EXTERN PetscErrorCode VecGetArray4d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 332 PETSC_EXTERN PetscErrorCode VecRestoreArray4d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 333 PETSC_EXTERN PetscErrorCode VecGetArray3d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 334 PETSC_EXTERN PetscErrorCode VecRestoreArray3d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 335 PETSC_EXTERN PetscErrorCode VecGetArray2d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 336 PETSC_EXTERN PetscErrorCode VecRestoreArray2d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 337 PETSC_EXTERN PetscErrorCode VecGetArray1d(Vec,PetscInt,PetscInt,PetscScalar *[]); 338 PETSC_EXTERN PetscErrorCode VecRestoreArray1d(Vec,PetscInt,PetscInt,PetscScalar *[]); 339 340 PETSC_EXTERN PetscErrorCode VecPlaceArray(Vec,const PetscScalar[]); 341 PETSC_EXTERN PetscErrorCode VecResetArray(Vec); 342 PETSC_EXTERN PetscErrorCode VecReplaceArray(Vec,const PetscScalar[]); 343 PETSC_EXTERN PetscErrorCode VecGetArrays(const Vec[],PetscInt,PetscScalar**[]); 344 PETSC_EXTERN PetscErrorCode VecRestoreArrays(const Vec[],PetscInt,PetscScalar**[]); 345 346 PETSC_EXTERN PetscErrorCode VecView(Vec,PetscViewer); 347 PETSC_EXTERN PetscErrorCode VecEqual(Vec,Vec,PetscBool *); 348 PETSC_EXTERN PetscErrorCode VecLoad(Vec, PetscViewer); 349 350 PETSC_EXTERN PetscErrorCode VecGetSize(Vec,PetscInt*); 351 PETSC_EXTERN PetscErrorCode VecGetLocalSize(Vec,PetscInt*); 352 PETSC_EXTERN PetscErrorCode VecGetOwnershipRange(Vec,PetscInt*,PetscInt*); 353 PETSC_EXTERN PetscErrorCode VecGetOwnershipRanges(Vec,const PetscInt *[]); 354 355 PETSC_EXTERN PetscErrorCode VecSetLocalToGlobalMapping(Vec,ISLocalToGlobalMapping); 356 PETSC_EXTERN PetscErrorCode VecSetValuesLocal(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 357 358 /*MC 359 VecSetValueLocal - Set a single entry into a vector using the local numbering 360 361 Synopsis: 362 #include "petscvec.h" 363 PetscErrorCode VecSetValueLocal(Vec v,PetscInt row,PetscScalar value, InsertMode mode); 364 365 Not Collective 366 367 Input Parameters: 368 + v - the vector 369 . row - the row location of the entry 370 . value - the value to insert 371 - mode - either INSERT_VALUES or ADD_VALUES 372 373 Notes: 374 For efficiency one should use VecSetValues() and set several or 375 many values simultaneously if possible. 376 377 These values may be cached, so VecAssemblyBegin() and VecAssemblyEnd() 378 MUST be called after all calls to VecSetValues() have been completed. 379 380 VecSetValues() uses 0-based indices in Fortran as well as in C. 381 382 Level: beginner 383 384 .seealso: VecSetValues(), VecAssemblyBegin(), VecAssemblyEnd(), VecSetValuesBlockedLocal(), VecSetValue() 385 M*/ 386 PETSC_STATIC_INLINE PetscErrorCode VecSetValueLocal(Vec v,PetscInt i,PetscScalar va,InsertMode mode) {return VecSetValuesLocal(v,1,&i,&va,mode);} 387 388 PETSC_EXTERN PetscErrorCode VecSetLocalToGlobalMappingBlock(Vec,ISLocalToGlobalMapping); 389 PETSC_EXTERN PetscErrorCode VecSetValuesBlockedLocal(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 390 PETSC_EXTERN PetscErrorCode VecGetLocalToGlobalMappingBlock(Vec,ISLocalToGlobalMapping*); 391 PETSC_EXTERN PetscErrorCode VecGetLocalToGlobalMapping(Vec,ISLocalToGlobalMapping*); 392 393 PETSC_EXTERN PetscErrorCode VecDotBegin(Vec,Vec,PetscScalar *); 394 PETSC_EXTERN PetscErrorCode VecDotEnd(Vec,Vec,PetscScalar *); 395 PETSC_EXTERN PetscErrorCode VecTDotBegin(Vec,Vec,PetscScalar *); 396 PETSC_EXTERN PetscErrorCode VecTDotEnd(Vec,Vec,PetscScalar *); 397 PETSC_EXTERN PetscErrorCode VecNormBegin(Vec,NormType,PetscReal *); 398 PETSC_EXTERN PetscErrorCode VecNormEnd(Vec,NormType,PetscReal *); 399 400 PETSC_EXTERN PetscErrorCode VecMDotBegin(Vec,PetscInt,const Vec[],PetscScalar[]); 401 PETSC_EXTERN PetscErrorCode VecMDotEnd(Vec,PetscInt,const Vec[],PetscScalar[]); 402 PETSC_EXTERN PetscErrorCode VecMTDotBegin(Vec,PetscInt,const Vec[],PetscScalar[]); 403 PETSC_EXTERN PetscErrorCode VecMTDotEnd(Vec,PetscInt,const Vec[],PetscScalar[]); 404 PETSC_EXTERN PetscErrorCode PetscCommSplitReductionBegin(MPI_Comm); 405 406 407 typedef enum {VEC_IGNORE_OFF_PROC_ENTRIES,VEC_IGNORE_NEGATIVE_INDICES} VecOption; 408 PETSC_EXTERN PetscErrorCode VecSetOption(Vec,VecOption,PetscBool ); 409 410 PETSC_EXTERN PetscErrorCode VecGetArray(Vec,PetscScalar**); 411 PETSC_EXTERN PetscErrorCode VecGetArrayRead(Vec,const PetscScalar**); 412 PETSC_EXTERN PetscErrorCode VecRestoreArray(Vec,PetscScalar**); 413 PETSC_EXTERN PetscErrorCode VecRestoreArrayRead(Vec,const PetscScalar**); 414 415 PETSC_EXTERN PetscErrorCode VecValidValues(Vec,PetscInt,PetscBool); 416 417 PETSC_EXTERN PetscErrorCode VecContourScale(Vec,PetscReal,PetscReal); 418 419 /* 420 These numbers need to match the entries in 421 the function table in vecimpl.h 422 */ 423 typedef enum { VECOP_VIEW = 33, VECOP_LOAD = 41, VECOP_DUPLICATE = 0} VecOperation; 424 PETSC_EXTERN PetscErrorCode VecSetOperation(Vec,VecOperation,void(*)(void)); 425 426 /* 427 Routines for dealing with ghosted vectors: 428 vectors with ghost elements at the end of the array. 429 */ 430 PETSC_EXTERN PetscErrorCode VecMPISetGhost(Vec,PetscInt,const PetscInt[]); 431 PETSC_EXTERN PetscErrorCode VecCreateGhost(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*); 432 PETSC_EXTERN PetscErrorCode VecCreateGhostWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*); 433 PETSC_EXTERN PetscErrorCode VecCreateGhostBlock(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*); 434 PETSC_EXTERN PetscErrorCode VecCreateGhostBlockWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*); 435 PETSC_EXTERN PetscErrorCode VecGhostGetLocalForm(Vec,Vec*); 436 PETSC_EXTERN PetscErrorCode VecGhostRestoreLocalForm(Vec,Vec*); 437 PETSC_EXTERN PetscErrorCode VecGhostIsLocalForm(Vec,Vec,PetscBool*); 438 PETSC_EXTERN PetscErrorCode VecGhostUpdateBegin(Vec,InsertMode,ScatterMode); 439 PETSC_EXTERN PetscErrorCode VecGhostUpdateEnd(Vec,InsertMode,ScatterMode); 440 441 PETSC_EXTERN PetscErrorCode VecConjugate(Vec); 442 443 PETSC_EXTERN PetscErrorCode VecScatterCreateToAll(Vec,VecScatter*,Vec*); 444 PETSC_EXTERN PetscErrorCode VecScatterCreateToZero(Vec,VecScatter*,Vec*); 445 446 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaGetVector(PetscViewer, Vec); 447 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutVector(PetscViewer, Vec); 448 449 /*S 450 Vecs - Collection of vectors where the data for the vectors is stored in 451 one contiguous memory 452 453 Level: advanced 454 455 Notes: 456 Temporary construct for handling multiply right hand side solves 457 458 This is faked by storing a single vector that has enough array space for 459 n vectors 460 461 Concepts: parallel decomposition 462 463 S*/ 464 struct _n_Vecs {PetscInt n; Vec v;}; 465 typedef struct _n_Vecs* Vecs; 466 PETSC_EXTERN PetscErrorCode VecsDestroy(Vecs); 467 PETSC_EXTERN PetscErrorCode VecsCreateSeq(MPI_Comm,PetscInt,PetscInt,Vecs*); 468 PETSC_EXTERN PetscErrorCode VecsCreateSeqWithArray(MPI_Comm,PetscInt,PetscInt,PetscScalar*,Vecs*); 469 PETSC_EXTERN PetscErrorCode VecsDuplicate(Vecs,Vecs*); 470 471 #if defined(PETSC_HAVE_CUSP) 472 typedef struct _p_PetscCUSPIndices* PetscCUSPIndices; 473 typedef struct _p_VecScatterCUSPIndices_StoS* VecScatterCUSPIndices_StoS; 474 typedef struct _p_VecScatterCUSPIndices_PtoP* VecScatterCUSPIndices_PtoP; 475 PETSC_EXTERN PetscErrorCode VecCUSPCopyToGPUSome_Public(Vec,PetscCUSPIndices); 476 PETSC_EXTERN PetscErrorCode VecCUSPCopyFromGPUSome_Public(Vec,PetscCUSPIndices); 477 PETSC_EXTERN PetscErrorCode VecScatterInitializeForGPU(VecScatter,Vec,ScatterMode); 478 PETSC_EXTERN PetscErrorCode VecScatterFinalizeForGPU(VecScatter); 479 PETSC_EXTERN PetscErrorCode VecCreateSeqCUSP(MPI_Comm,PetscInt,Vec*); 480 PETSC_EXTERN PetscErrorCode VecCreateMPICUSP(MPI_Comm,PetscInt,PetscInt,Vec*); 481 #endif 482 483 #if defined(PETSC_HAVE_VIENNACL) 484 typedef struct _p_PetscViennaCLIndices* PetscViennaCLIndices; 485 PETSC_EXTERN PetscErrorCode PetscViennaCLIndicesCreate(PetscInt, PetscInt*,PetscInt, PetscInt*,PetscViennaCLIndices*); 486 PETSC_EXTERN PetscErrorCode PetscViennaCLIndicesDestroy(PetscViennaCLIndices*); 487 PETSC_EXTERN PetscErrorCode VecViennaCLCopyToGPUSome_Public(Vec,PetscViennaCLIndices); 488 PETSC_EXTERN PetscErrorCode VecViennaCLCopyFromGPUSome_Public(Vec,PetscViennaCLIndices); 489 PETSC_EXTERN PetscErrorCode VecCreateSeqViennaCL(MPI_Comm,PetscInt,Vec*); 490 PETSC_EXTERN PetscErrorCode VecCreateMPIViennaCL(MPI_Comm,PetscInt,PetscInt,Vec*); 491 #endif 492 493 PETSC_EXTERN PetscErrorCode VecNestGetSubVecs(Vec,PetscInt*,Vec**); 494 PETSC_EXTERN PetscErrorCode VecNestGetSubVec(Vec,PetscInt,Vec*); 495 PETSC_EXTERN PetscErrorCode VecNestSetSubVecs(Vec,PetscInt,PetscInt*,Vec*); 496 PETSC_EXTERN PetscErrorCode VecNestSetSubVec(Vec,PetscInt,Vec); 497 PETSC_EXTERN PetscErrorCode VecCreateNest(MPI_Comm,PetscInt,IS*,Vec*,Vec*); 498 PETSC_EXTERN PetscErrorCode VecNestGetSize(Vec,PetscInt*); 499 500 PETSC_EXTERN PetscErrorCode PetscOptionsVec(const char[],const char[],const char[],Vec,PetscBool*); 501 PETSC_EXTERN PetscErrorCode VecChop(Vec,PetscReal); 502 503 PETSC_EXTERN PetscErrorCode VecGetLayout(Vec,PetscLayout*); 504 PETSC_EXTERN PetscErrorCode VecSetLayout(Vec,PetscLayout); 505 506 PETSC_EXTERN PetscErrorCode PetscSectionVecView(PetscSection, Vec, PetscViewer); 507 PETSC_EXTERN PetscErrorCode VecGetValuesSection(Vec, PetscSection, PetscInt, PetscScalar **); 508 PETSC_EXTERN PetscErrorCode VecSetValuesSection(Vec, PetscSection, PetscInt, PetscScalar [], InsertMode); 509 510 #endif 511 512