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" 110 111 112 /* Logging support */ 113 #define REAL_FILE_CLASSID 1211213 114 #define VEC_FILE_CLASSID 1211214 115 PETSC_EXTERN PetscClassId VEC_CLASSID; 116 PETSC_EXTERN PetscClassId VEC_SCATTER_CLASSID; 117 118 119 PETSC_EXTERN PetscErrorCode VecInitializePackage(void); 120 PETSC_EXTERN PetscErrorCode VecFinalizePackage(void); 121 122 PETSC_EXTERN PetscErrorCode VecCreate(MPI_Comm,Vec*); 123 PETSC_EXTERN PetscErrorCode VecCreateSeq(MPI_Comm,PetscInt,Vec*); 124 PETSC_EXTERN PetscErrorCode VecCreateMPI(MPI_Comm,PetscInt,PetscInt,Vec*); 125 PETSC_EXTERN PetscErrorCode VecCreateSeqWithArray(MPI_Comm,PetscInt,PetscInt,const PetscScalar[],Vec*); 126 PETSC_EXTERN PetscErrorCode VecCreateMPIWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscScalar[],Vec*); 127 PETSC_EXTERN PetscErrorCode VecCreateShared(MPI_Comm,PetscInt,PetscInt,Vec*); 128 PETSC_EXTERN PetscErrorCode VecSetFromOptions(Vec); 129 PETSC_STATIC_INLINE PetscErrorCode VecViewFromOptions(Vec A,PetscObject B,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,B,name);} 130 131 PETSC_EXTERN PetscErrorCode VecSetUp(Vec); 132 PETSC_EXTERN PetscErrorCode VecDestroy(Vec*); 133 PETSC_EXTERN PetscErrorCode VecZeroEntries(Vec); 134 PETSC_EXTERN PetscErrorCode VecSetOptionsPrefix(Vec,const char[]); 135 PETSC_EXTERN PetscErrorCode VecAppendOptionsPrefix(Vec,const char[]); 136 PETSC_EXTERN PetscErrorCode VecGetOptionsPrefix(Vec,const char*[]); 137 138 PETSC_EXTERN PetscErrorCode VecSetSizes(Vec,PetscInt,PetscInt); 139 140 PETSC_EXTERN PetscErrorCode VecDotNorm2(Vec,Vec,PetscScalar*,PetscReal*); 141 PETSC_EXTERN PetscErrorCode VecDot(Vec,Vec,PetscScalar*); 142 PETSC_EXTERN PetscErrorCode VecDotRealPart(Vec,Vec,PetscReal*); 143 PETSC_EXTERN PetscErrorCode VecTDot(Vec,Vec,PetscScalar*); 144 PETSC_EXTERN PetscErrorCode VecMDot(Vec,PetscInt,const Vec[],PetscScalar[]); 145 PETSC_EXTERN PetscErrorCode VecMTDot(Vec,PetscInt,const Vec[],PetscScalar[]); 146 PETSC_EXTERN PetscErrorCode VecGetSubVector(Vec,IS,Vec*); 147 PETSC_EXTERN PetscErrorCode VecRestoreSubVector(Vec,IS,Vec*); 148 149 /*E 150 NormType - determines what type of norm to compute 151 152 Level: beginner 153 154 .seealso: VecNorm(), VecNormBegin(), VecNormEnd(), MatNorm() 155 E*/ 156 typedef enum {NORM_1=0,NORM_2=1,NORM_FROBENIUS=2,NORM_INFINITY=3,NORM_1_AND_2=4} NormType; 157 PETSC_EXTERN const char *const NormTypes[]; 158 #define NORM_MAX NORM_INFINITY 159 160 /*MC 161 NORM_1 - the one norm, ||v|| = sum_i | v_i |. ||A|| = max_j || v_*j ||, maximum column sum 162 163 Level: beginner 164 165 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_2, NORM_FROBENIUS, 166 NORM_INFINITY, NORM_1_AND_2 167 168 M*/ 169 170 /*MC 171 NORM_2 - the two norm, ||v|| = sqrt(sum_i |v_i|^2) (vectors only) 172 173 Level: beginner 174 175 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_FROBENIUS, 176 NORM_INFINITY, NORM_1_AND_2 177 178 M*/ 179 180 /*MC 181 NORM_FROBENIUS - ||A|| = sqrt(sum_ij |A_ij|^2), same as NORM_2 for vectors 182 183 Level: beginner 184 185 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 186 NORM_INFINITY, NORM_1_AND_2 187 188 M*/ 189 190 /*MC 191 NORM_INFINITY - ||v|| = max_i |v_i|. ||A|| = max_i || v_i* ||, maximum row sum 192 193 Level: beginner 194 195 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 196 NORM_FROBINIUS, NORM_1_AND_2 197 198 M*/ 199 200 /*MC 201 NORM_1_AND_2 - computes both the 1 and 2 norm of a vector 202 203 Level: beginner 204 205 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 206 NORM_FROBINIUS, NORM_INFINITY 207 208 M*/ 209 210 /*MC 211 NORM_MAX - see NORM_INFINITY 212 213 Level: beginner 214 215 M*/ 216 217 PETSC_EXTERN PetscErrorCode VecNorm(Vec,NormType,PetscReal *); 218 PETSC_EXTERN PetscErrorCode VecNormAvailable(Vec,NormType,PetscBool *,PetscReal *); 219 PETSC_EXTERN PetscErrorCode VecNormalize(Vec,PetscReal *); 220 PETSC_EXTERN PetscErrorCode VecSum(Vec,PetscScalar*); 221 PETSC_EXTERN PetscErrorCode VecMax(Vec,PetscInt*,PetscReal *); 222 PETSC_EXTERN PetscErrorCode VecMin(Vec,PetscInt*,PetscReal *); 223 PETSC_EXTERN PetscErrorCode VecScale(Vec,PetscScalar); 224 PETSC_EXTERN PetscErrorCode VecCopy(Vec,Vec); 225 PETSC_EXTERN PetscErrorCode VecSetRandom(Vec,PetscRandom); 226 PETSC_EXTERN PetscErrorCode VecSet(Vec,PetscScalar); 227 PETSC_EXTERN PetscErrorCode VecSetInf(Vec); 228 PETSC_EXTERN PetscErrorCode VecSwap(Vec,Vec); 229 PETSC_EXTERN PetscErrorCode VecAXPY(Vec,PetscScalar,Vec); 230 PETSC_EXTERN PetscErrorCode VecAXPBY(Vec,PetscScalar,PetscScalar,Vec); 231 PETSC_EXTERN PetscErrorCode VecMAXPY(Vec,PetscInt,const PetscScalar[],Vec[]); 232 PETSC_EXTERN PetscErrorCode VecAYPX(Vec,PetscScalar,Vec); 233 PETSC_EXTERN PetscErrorCode VecWAXPY(Vec,PetscScalar,Vec,Vec); 234 PETSC_EXTERN PetscErrorCode VecAXPBYPCZ(Vec,PetscScalar,PetscScalar,PetscScalar,Vec,Vec); 235 PETSC_EXTERN PetscErrorCode VecPointwiseMax(Vec,Vec,Vec); 236 PETSC_EXTERN PetscErrorCode VecPointwiseMaxAbs(Vec,Vec,Vec); 237 PETSC_EXTERN PetscErrorCode VecPointwiseMin(Vec,Vec,Vec); 238 PETSC_EXTERN PetscErrorCode VecPointwiseMult(Vec,Vec,Vec); 239 PETSC_EXTERN PetscErrorCode VecPointwiseDivide(Vec,Vec,Vec); 240 PETSC_EXTERN PetscErrorCode VecMaxPointwiseDivide(Vec,Vec,PetscReal*); 241 PETSC_EXTERN PetscErrorCode VecShift(Vec,PetscScalar); 242 PETSC_EXTERN PetscErrorCode VecReciprocal(Vec); 243 PETSC_EXTERN PetscErrorCode VecPermute(Vec, IS, PetscBool ); 244 PETSC_EXTERN PetscErrorCode VecSqrtAbs(Vec); 245 PETSC_EXTERN PetscErrorCode VecLog(Vec); 246 PETSC_EXTERN PetscErrorCode VecExp(Vec); 247 PETSC_EXTERN PetscErrorCode VecAbs(Vec); 248 PETSC_EXTERN PetscErrorCode VecDuplicate(Vec,Vec*); 249 PETSC_EXTERN PetscErrorCode VecDuplicateVecs(Vec,PetscInt,Vec*[]); 250 PETSC_EXTERN PetscErrorCode VecDestroyVecs(PetscInt, Vec*[]); 251 PETSC_EXTERN PetscErrorCode VecStrideNormAll(Vec,NormType,PetscReal[]); 252 PETSC_EXTERN PetscErrorCode VecStrideMaxAll(Vec,PetscInt [],PetscReal []); 253 PETSC_EXTERN PetscErrorCode VecStrideMinAll(Vec,PetscInt [],PetscReal []); 254 PETSC_EXTERN PetscErrorCode VecStrideScaleAll(Vec,const PetscScalar[]); 255 PETSC_EXTERN PetscErrorCode VecUniqueEntries(Vec,PetscInt*,PetscScalar**); 256 257 PETSC_EXTERN PetscErrorCode VecStrideNorm(Vec,PetscInt,NormType,PetscReal*); 258 PETSC_EXTERN PetscErrorCode VecStrideMax(Vec,PetscInt,PetscInt *,PetscReal *); 259 PETSC_EXTERN PetscErrorCode VecStrideMin(Vec,PetscInt,PetscInt *,PetscReal *); 260 PETSC_EXTERN PetscErrorCode VecStrideScale(Vec,PetscInt,PetscScalar); 261 PETSC_EXTERN PetscErrorCode VecStrideSet(Vec,PetscInt,PetscScalar); 262 263 264 PETSC_EXTERN PetscErrorCode VecStrideGather(Vec,PetscInt,Vec,InsertMode); 265 PETSC_EXTERN PetscErrorCode VecStrideScatter(Vec,PetscInt,Vec,InsertMode); 266 PETSC_EXTERN PetscErrorCode VecStrideGatherAll(Vec,Vec[],InsertMode); 267 PETSC_EXTERN PetscErrorCode VecStrideScatterAll(Vec[],Vec,InsertMode); 268 269 PETSC_EXTERN PetscErrorCode VecStrideSubSetScatter(Vec,PetscInt,const PetscInt[],const PetscInt[],Vec,InsertMode); 270 PETSC_EXTERN PetscErrorCode VecStrideSubSetGather(Vec,PetscInt,const PetscInt[],const PetscInt[],Vec,InsertMode); 271 272 PETSC_EXTERN PetscErrorCode VecSetValues(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 273 PETSC_EXTERN PetscErrorCode VecGetValues(Vec,PetscInt,const PetscInt[],PetscScalar[]); 274 PETSC_EXTERN PetscErrorCode VecAssemblyBegin(Vec); 275 PETSC_EXTERN PetscErrorCode VecAssemblyEnd(Vec); 276 PETSC_EXTERN PetscErrorCode VecStashSetInitialSize(Vec,PetscInt,PetscInt); 277 PETSC_EXTERN PetscErrorCode VecStashView(Vec,PetscViewer); 278 PETSC_EXTERN PetscErrorCode VecStashViewFromOptions(Vec,PetscObject,const char[]); 279 PETSC_EXTERN PetscErrorCode VecStashGetInfo(Vec,PetscInt*,PetscInt*,PetscInt*,PetscInt*); 280 281 /*MC 282 VecSetValue - Set a single entry into a vector. 283 284 Synopsis: 285 #include <petscvec.h> 286 PetscErrorCode VecSetValue(Vec v,PetscInt row,PetscScalar value, InsertMode mode); 287 288 Not Collective 289 290 Input Parameters: 291 + v - the vector 292 . row - the row location of the entry 293 . value - the value to insert 294 - mode - either INSERT_VALUES or ADD_VALUES 295 296 Notes: 297 For efficiency one should use VecSetValues() and set several or 298 many values simultaneously if possible. 299 300 These values may be cached, so VecAssemblyBegin() and VecAssemblyEnd() 301 MUST be called after all calls to VecSetValues() have been completed. 302 303 VecSetValues() uses 0-based indices in Fortran as well as in C. 304 305 Level: beginner 306 307 .seealso: VecSetValues(), VecAssemblyBegin(), VecAssemblyEnd(), VecSetValuesBlockedLocal(), VecSetValueLocal() 308 M*/ 309 PETSC_STATIC_INLINE PetscErrorCode VecSetValue(Vec v,PetscInt i,PetscScalar va,InsertMode mode) {return VecSetValues(v,1,&i,&va,mode);} 310 311 312 PETSC_EXTERN PetscErrorCode VecSetBlockSize(Vec,PetscInt); 313 PETSC_EXTERN PetscErrorCode VecGetBlockSize(Vec,PetscInt*); 314 PETSC_EXTERN PetscErrorCode VecSetValuesBlocked(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 315 316 /* Dynamic creation and loading functions */ 317 PETSC_EXTERN PetscFunctionList VecList; 318 PETSC_EXTERN PetscErrorCode VecSetType(Vec, VecType); 319 PETSC_EXTERN PetscErrorCode VecGetType(Vec, VecType *); 320 PETSC_EXTERN PetscErrorCode VecRegister(const char[],PetscErrorCode (*)(Vec)); 321 322 PETSC_EXTERN PetscErrorCode VecScatterCreate(Vec,IS,Vec,IS,VecScatter *); 323 PETSC_EXTERN PetscErrorCode VecScatterCreateEmpty(MPI_Comm,VecScatter *); 324 PETSC_EXTERN PetscErrorCode VecScatterCreateEmptyMPI1(MPI_Comm,VecScatter *); 325 PETSC_EXTERN PetscErrorCode VecScatterCreateLocal(VecScatter,PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],PetscInt); 326 PETSC_EXTERN PetscErrorCode VecScatterCreateLocalMPI1(VecScatter,PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],PetscInt); 327 PETSC_EXTERN PetscErrorCode VecScatterBegin(VecScatter,Vec,Vec,InsertMode,ScatterMode); 328 PETSC_EXTERN PetscErrorCode VecScatterEnd(VecScatter,Vec,Vec,InsertMode,ScatterMode); 329 PETSC_EXTERN PetscErrorCode VecScatterBeginMPI1(VecScatter,Vec,Vec,InsertMode,ScatterMode); 330 PETSC_EXTERN PetscErrorCode VecScatterEndMPI1(VecScatter,Vec,Vec,InsertMode,ScatterMode); 331 PETSC_EXTERN PetscErrorCode VecScatterDestroy(VecScatter*); 332 PETSC_EXTERN PetscErrorCode VecScatterCopy(VecScatter,VecScatter *); 333 PETSC_EXTERN PetscErrorCode VecScatterCopyMPI1(VecScatter,VecScatter *); 334 PETSC_EXTERN PetscErrorCode VecScatterView(VecScatter,PetscViewer); 335 PETSC_EXTERN PetscErrorCode VecScatterViewMPI1(VecScatter,PetscViewer); 336 PETSC_STATIC_INLINE PetscErrorCode VecScatterViewFromOptions(VecScatter A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);} 337 PETSC_EXTERN PetscErrorCode VecScatterRemap(VecScatter,PetscInt *,PetscInt*); 338 PETSC_EXTERN PetscErrorCode VecScatterRemapMPI1(VecScatter,PetscInt *,PetscInt*); 339 PETSC_EXTERN PetscErrorCode VecScatterGetMerged(VecScatter,PetscBool *); 340 PETSC_EXTERN PetscErrorCode VecScatterGetMergedMPI1(VecScatter,PetscBool *); 341 342 PETSC_EXTERN PetscErrorCode VecGetArray4d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 343 PETSC_EXTERN PetscErrorCode VecRestoreArray4d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 344 PETSC_EXTERN PetscErrorCode VecGetArray3d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 345 PETSC_EXTERN PetscErrorCode VecRestoreArray3d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 346 PETSC_EXTERN PetscErrorCode VecGetArray2d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 347 PETSC_EXTERN PetscErrorCode VecRestoreArray2d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 348 PETSC_EXTERN PetscErrorCode VecGetArray1d(Vec,PetscInt,PetscInt,PetscScalar *[]); 349 PETSC_EXTERN PetscErrorCode VecRestoreArray1d(Vec,PetscInt,PetscInt,PetscScalar *[]); 350 351 PETSC_EXTERN PetscErrorCode VecGetArray4dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 352 PETSC_EXTERN PetscErrorCode VecRestoreArray4dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 353 PETSC_EXTERN PetscErrorCode VecGetArray3dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 354 PETSC_EXTERN PetscErrorCode VecRestoreArray3dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 355 PETSC_EXTERN PetscErrorCode VecGetArray2dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 356 PETSC_EXTERN PetscErrorCode VecRestoreArray2dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 357 PETSC_EXTERN PetscErrorCode VecGetArray1dRead(Vec,PetscInt,PetscInt,PetscScalar *[]); 358 PETSC_EXTERN PetscErrorCode VecRestoreArray1dRead(Vec,PetscInt,PetscInt,PetscScalar *[]); 359 360 PETSC_EXTERN PetscErrorCode VecPlaceArray(Vec,const PetscScalar[]); 361 PETSC_EXTERN PetscErrorCode VecResetArray(Vec); 362 PETSC_EXTERN PetscErrorCode VecReplaceArray(Vec,const PetscScalar[]); 363 PETSC_EXTERN PetscErrorCode VecGetArrays(const Vec[],PetscInt,PetscScalar**[]); 364 PETSC_EXTERN PetscErrorCode VecRestoreArrays(const Vec[],PetscInt,PetscScalar**[]); 365 366 PETSC_EXTERN PetscErrorCode VecView(Vec,PetscViewer); 367 PETSC_EXTERN PetscErrorCode VecEqual(Vec,Vec,PetscBool *); 368 PETSC_EXTERN PetscErrorCode VecLoad(Vec, PetscViewer); 369 370 PETSC_EXTERN PetscErrorCode VecGetSize(Vec,PetscInt*); 371 PETSC_EXTERN PetscErrorCode VecGetLocalSize(Vec,PetscInt*); 372 PETSC_EXTERN PetscErrorCode VecGetOwnershipRange(Vec,PetscInt*,PetscInt*); 373 PETSC_EXTERN PetscErrorCode VecGetOwnershipRanges(Vec,const PetscInt *[]); 374 375 PETSC_EXTERN PetscErrorCode VecSetLocalToGlobalMapping(Vec,ISLocalToGlobalMapping); 376 PETSC_EXTERN PetscErrorCode VecSetValuesLocal(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 377 378 /*MC 379 VecSetValueLocal - Set a single entry into a vector using the local numbering 380 381 Synopsis: 382 #include <petscvec.h> 383 PetscErrorCode VecSetValueLocal(Vec v,PetscInt row,PetscScalar value, InsertMode mode); 384 385 Not Collective 386 387 Input Parameters: 388 + v - the vector 389 . row - the row location of the entry 390 . value - the value to insert 391 - mode - either INSERT_VALUES or ADD_VALUES 392 393 Notes: 394 For efficiency one should use VecSetValues() and set several or 395 many values simultaneously if possible. 396 397 These values may be cached, so VecAssemblyBegin() and VecAssemblyEnd() 398 MUST be called after all calls to VecSetValues() have been completed. 399 400 VecSetValues() uses 0-based indices in Fortran as well as in C. 401 402 Level: beginner 403 404 .seealso: VecSetValues(), VecAssemblyBegin(), VecAssemblyEnd(), VecSetValuesBlockedLocal(), VecSetValue() 405 M*/ 406 PETSC_STATIC_INLINE PetscErrorCode VecSetValueLocal(Vec v,PetscInt i,PetscScalar va,InsertMode mode) {return VecSetValuesLocal(v,1,&i,&va,mode);} 407 408 PETSC_EXTERN PetscErrorCode VecSetValuesBlockedLocal(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 409 PETSC_EXTERN PetscErrorCode VecGetLocalToGlobalMapping(Vec,ISLocalToGlobalMapping*); 410 411 PETSC_EXTERN PetscErrorCode VecDotBegin(Vec,Vec,PetscScalar *); 412 PETSC_EXTERN PetscErrorCode VecDotEnd(Vec,Vec,PetscScalar *); 413 PETSC_EXTERN PetscErrorCode VecTDotBegin(Vec,Vec,PetscScalar *); 414 PETSC_EXTERN PetscErrorCode VecTDotEnd(Vec,Vec,PetscScalar *); 415 PETSC_EXTERN PetscErrorCode VecNormBegin(Vec,NormType,PetscReal *); 416 PETSC_EXTERN PetscErrorCode VecNormEnd(Vec,NormType,PetscReal *); 417 418 PETSC_EXTERN PetscErrorCode VecMDotBegin(Vec,PetscInt,const Vec[],PetscScalar[]); 419 PETSC_EXTERN PetscErrorCode VecMDotEnd(Vec,PetscInt,const Vec[],PetscScalar[]); 420 PETSC_EXTERN PetscErrorCode VecMTDotBegin(Vec,PetscInt,const Vec[],PetscScalar[]); 421 PETSC_EXTERN PetscErrorCode VecMTDotEnd(Vec,PetscInt,const Vec[],PetscScalar[]); 422 PETSC_EXTERN PetscErrorCode PetscCommSplitReductionBegin(MPI_Comm); 423 424 425 typedef enum {VEC_IGNORE_OFF_PROC_ENTRIES,VEC_IGNORE_NEGATIVE_INDICES,VEC_SUBSET_OFF_PROC_ENTRIES} VecOption; 426 PETSC_EXTERN PetscErrorCode VecSetOption(Vec,VecOption,PetscBool ); 427 428 PETSC_EXTERN PetscErrorCode VecGetArray(Vec,PetscScalar**); 429 PETSC_EXTERN PetscErrorCode VecGetArrayRead(Vec,const PetscScalar**); 430 PETSC_EXTERN PetscErrorCode VecRestoreArray(Vec,PetscScalar**); 431 PETSC_EXTERN PetscErrorCode VecRestoreArrayRead(Vec,const PetscScalar**); 432 PETSC_EXTERN PetscErrorCode VecGetLocalVector(Vec,Vec); 433 PETSC_EXTERN PetscErrorCode VecRestoreLocalVector(Vec,Vec); 434 PETSC_EXTERN PetscErrorCode VecGetLocalVectorRead(Vec,Vec); 435 PETSC_EXTERN PetscErrorCode VecRestoreLocalVectorRead(Vec,Vec); 436 437 /*@C 438 VecGetArrayPair - Accesses a pair of pointers for two vectors that may be common. When not common the first is read only 439 440 Logically Collective on Vec 441 442 Input Parameter: 443 + x - the vector 444 - y - the second vector 445 446 Output Parameter: 447 + xv - location to put pointer to the first array 448 - yv - location to put pointer to the second array 449 450 Level: developer 451 452 .seealso: VecGetArray(), VecGetArrayRead(), VecRestoreArrayPair() 453 454 @*/ 455 PETSC_STATIC_INLINE PetscErrorCode VecGetArrayPair(Vec x,Vec y,PetscScalar **xv,PetscScalar **yv) 456 { 457 PetscErrorCode ierr; 458 459 PetscFunctionBegin; 460 ierr = VecGetArray(y,yv);CHKERRQ(ierr); 461 if (x != y) { 462 ierr = VecGetArrayRead(x,(const PetscScalar **)xv);CHKERRQ(ierr); 463 } else { 464 *xv = *yv; 465 } 466 PetscFunctionReturn(0); 467 } 468 469 /*@C 470 VecRestoreArrayPair - Returns a pair of pointers for two vectors that may be common. When not common the first is read only 471 472 Logically Collective on Vec 473 474 Input Parameter: 475 + x - the vector 476 - y - the second vector 477 478 Output Parameter: 479 + xv - location to put pointer to the first array 480 - yv - location to put pointer to the second array 481 482 Level: developer 483 484 .seealso: VecGetArray(), VecGetArrayRead(), VecGetArrayPair() 485 486 @*/ 487 PETSC_STATIC_INLINE PetscErrorCode VecRestoreArrayPair(Vec x,Vec y,PetscScalar **xv,PetscScalar **yv) 488 { 489 PetscErrorCode ierr; 490 491 PetscFunctionBegin; 492 ierr = VecRestoreArray(y,yv);CHKERRQ(ierr); 493 if (x != y) { 494 ierr = VecRestoreArrayRead(x,(const PetscScalar **)xv);CHKERRQ(ierr); 495 } 496 PetscFunctionReturn(0); 497 } 498 499 #if defined(PETSC_USE_DEBUG) 500 PETSC_EXTERN PetscErrorCode VecLockGet(Vec,PetscInt*); 501 PETSC_EXTERN PetscErrorCode VecLockPush(Vec); 502 PETSC_EXTERN PetscErrorCode VecLockPop(Vec); 503 #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) 504 #else 505 #define VecLockGet(x,arg) *(arg) = 0 506 #define VecLockPush(x) 0 507 #define VecLockPop(x) 0 508 #define VecLocked(x,arg) 509 #endif 510 511 PETSC_EXTERN PetscErrorCode VecValidValues(Vec,PetscInt,PetscBool); 512 513 /* 514 These numbers need to match the entries in 515 the function table in vecimpl.h 516 */ 517 typedef enum { VECOP_DUPLICATE = 0, VECOP_VIEW = 33, VECOP_LOAD = 41, VECOP_VIEWNATIVE = 68, VECOP_LOADNATIVE = 69 } VecOperation; 518 PETSC_EXTERN PetscErrorCode VecSetOperation(Vec,VecOperation,void(*)(void)); 519 520 /* 521 Routines for dealing with ghosted vectors: 522 vectors with ghost elements at the end of the array. 523 */ 524 PETSC_EXTERN PetscErrorCode VecMPISetGhost(Vec,PetscInt,const PetscInt[]); 525 PETSC_EXTERN PetscErrorCode VecCreateGhost(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*); 526 PETSC_EXTERN PetscErrorCode VecCreateGhostWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*); 527 PETSC_EXTERN PetscErrorCode VecCreateGhostBlock(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*); 528 PETSC_EXTERN PetscErrorCode VecCreateGhostBlockWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*); 529 PETSC_EXTERN PetscErrorCode VecGhostGetLocalForm(Vec,Vec*); 530 PETSC_EXTERN PetscErrorCode VecGhostRestoreLocalForm(Vec,Vec*); 531 PETSC_EXTERN PetscErrorCode VecGhostIsLocalForm(Vec,Vec,PetscBool*); 532 PETSC_EXTERN PetscErrorCode VecGhostUpdateBegin(Vec,InsertMode,ScatterMode); 533 PETSC_EXTERN PetscErrorCode VecGhostUpdateEnd(Vec,InsertMode,ScatterMode); 534 535 PETSC_EXTERN PetscErrorCode VecConjugate(Vec); 536 537 PETSC_EXTERN PetscErrorCode VecScatterCreateToAll(Vec,VecScatter*,Vec*); 538 PETSC_EXTERN PetscErrorCode VecScatterCreateToZero(Vec,VecScatter*,Vec*); 539 540 PETSC_EXTERN PetscErrorCode ISComplementVec(IS,Vec,IS*); 541 PETSC_EXTERN PetscErrorCode VecPow(Vec, PetscScalar); 542 PETSC_EXTERN PetscErrorCode VecMedian(Vec, Vec, Vec, Vec); 543 PETSC_EXTERN PetscErrorCode VecWhichBetween(Vec, Vec, Vec, IS *); 544 PETSC_EXTERN PetscErrorCode VecWhichBetweenOrEqual(Vec, Vec, Vec, IS *); 545 PETSC_EXTERN PetscErrorCode VecWhichGreaterThan(Vec, Vec, IS * ); 546 PETSC_EXTERN PetscErrorCode VecWhichLessThan(Vec, Vec, IS *); 547 PETSC_EXTERN PetscErrorCode VecWhichEqual(Vec, Vec, IS *); 548 PETSC_EXTERN PetscErrorCode VecISAXPY(Vec, IS, PetscScalar,Vec); 549 PETSC_EXTERN PetscErrorCode VecISSet(Vec,IS, PetscScalar); 550 PETSC_EXTERN PetscErrorCode VecBoundGradientProjection(Vec, Vec, Vec, Vec, Vec); 551 PETSC_EXTERN PetscErrorCode VecStepBoundInfo(Vec,Vec,Vec,Vec,PetscReal*, PetscReal*,PetscReal*); 552 PETSC_EXTERN PetscErrorCode VecStepMax(Vec, Vec, PetscReal *); 553 PETSC_EXTERN PetscErrorCode VecStepMaxBounded(Vec,Vec,Vec,Vec,PetscReal*); 554 555 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaGetVector(PetscViewer, Vec); 556 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutVector(PetscViewer, Vec); 557 558 /*S 559 Vecs - Collection of vectors where the data for the vectors is stored in 560 one contiguous memory 561 562 Level: advanced 563 564 Notes: 565 Temporary construct for handling multiply right hand side solves 566 567 This is faked by storing a single vector that has enough array space for 568 n vectors 569 570 Concepts: parallel decomposition 571 572 S*/ 573 struct _n_Vecs {PetscInt n; Vec v;}; 574 typedef struct _n_Vecs* Vecs; 575 PETSC_EXTERN PetscErrorCode VecsDestroy(Vecs); 576 PETSC_EXTERN PetscErrorCode VecsCreateSeq(MPI_Comm,PetscInt,PetscInt,Vecs*); 577 PETSC_EXTERN PetscErrorCode VecsCreateSeqWithArray(MPI_Comm,PetscInt,PetscInt,PetscScalar*,Vecs*); 578 PETSC_EXTERN PetscErrorCode VecsDuplicate(Vecs,Vecs*); 579 580 #if defined(PETSC_HAVE_CUSP) 581 typedef struct _p_PetscCUSPIndices* PetscCUSPIndices; 582 typedef struct _p_VecScatterCUSPIndices_StoS* VecScatterCUSPIndices_StoS; 583 typedef struct _p_VecScatterCUSPIndices_PtoP* VecScatterCUSPIndices_PtoP; 584 PETSC_EXTERN PetscErrorCode VecCUSPCopyToGPUSome_Public(Vec,PetscCUSPIndices); 585 PETSC_EXTERN PetscErrorCode VecCUSPCopyFromGPUSome_Public(Vec,PetscCUSPIndices); 586 PETSC_EXTERN PetscErrorCode VecScatterInitializeForGPU(VecScatter,Vec,ScatterMode); 587 PETSC_EXTERN PetscErrorCode VecScatterFinalizeForGPU(VecScatter); 588 PETSC_EXTERN PetscErrorCode VecCreateSeqCUSP(MPI_Comm,PetscInt,Vec*); 589 PETSC_EXTERN PetscErrorCode VecCreateMPICUSP(MPI_Comm,PetscInt,PetscInt,Vec*); 590 #elif defined(PETSC_HAVE_VIENNACL) 591 typedef struct _p_PetscViennaCLIndices* PetscViennaCLIndices; 592 PETSC_EXTERN PetscErrorCode PetscViennaCLIndicesCreate(PetscInt, PetscInt*,PetscInt, PetscInt*,PetscViennaCLIndices*); 593 PETSC_EXTERN PetscErrorCode PetscViennaCLIndicesDestroy(PetscViennaCLIndices*); 594 PETSC_EXTERN PetscErrorCode VecViennaCLCopyToGPUSome_Public(Vec,PetscViennaCLIndices); 595 PETSC_EXTERN PetscErrorCode VecViennaCLCopyFromGPUSome_Public(Vec,PetscViennaCLIndices); 596 PETSC_EXTERN PetscErrorCode VecCreateSeqViennaCL(MPI_Comm,PetscInt,Vec*); 597 PETSC_EXTERN PetscErrorCode VecCreateMPIViennaCL(MPI_Comm,PetscInt,PetscInt,Vec*); 598 #elif defined(PETSC_HAVE_VECCUDA) 599 typedef struct _p_PetscCUDAIndices* PetscCUDAIndices; 600 typedef struct _p_VecScatterCUDAIndices_StoS* VecScatterCUDAIndices_StoS; 601 typedef struct _p_VecScatterCUDAIndices_PtoP* VecScatterCUDAIndices_PtoP; 602 PETSC_EXTERN PetscErrorCode VecCUDACopyToGPUSome_Public(Vec,PetscCUDAIndices); 603 PETSC_EXTERN PetscErrorCode VecCUDACopyFromGPUSome_Public(Vec,PetscCUDAIndices); 604 PETSC_EXTERN PetscErrorCode VecScatterInitializeForGPU(VecScatter,Vec,ScatterMode); 605 PETSC_EXTERN PetscErrorCode VecScatterFinalizeForGPU(VecScatter); 606 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDA(MPI_Comm,PetscInt,Vec*); 607 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDAWithArray(MPI_Comm,PetscInt,PetscInt,const PetscScalar*,Vec*); 608 PETSC_EXTERN PetscErrorCode VecCreateMPICUDA(MPI_Comm,PetscInt,PetscInt,Vec*); 609 PETSC_EXTERN PetscErrorCode VecCreateMPICUDAWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscScalar*,Vec*); 610 #endif 611 612 PETSC_EXTERN PetscErrorCode VecNestGetSubVecs(Vec,PetscInt*,Vec**); 613 PETSC_EXTERN PetscErrorCode VecNestGetSubVec(Vec,PetscInt,Vec*); 614 PETSC_EXTERN PetscErrorCode VecNestSetSubVecs(Vec,PetscInt,PetscInt*,Vec*); 615 PETSC_EXTERN PetscErrorCode VecNestSetSubVec(Vec,PetscInt,Vec); 616 PETSC_EXTERN PetscErrorCode VecCreateNest(MPI_Comm,PetscInt,IS*,Vec*,Vec*); 617 PETSC_EXTERN PetscErrorCode VecNestGetSize(Vec,PetscInt*); 618 619 PETSC_EXTERN PetscErrorCode PetscOptionsGetVec(PetscOptions,const char[],const char[],Vec,PetscBool*); 620 PETSC_EXTERN PetscErrorCode VecChop(Vec,PetscReal); 621 622 PETSC_EXTERN PetscErrorCode VecGetLayout(Vec,PetscLayout*); 623 PETSC_EXTERN PetscErrorCode VecSetLayout(Vec,PetscLayout); 624 625 PETSC_EXTERN PetscErrorCode PetscSectionVecView(PetscSection, Vec, PetscViewer); 626 PETSC_EXTERN PetscErrorCode VecGetValuesSection(Vec, PetscSection, PetscInt, PetscScalar **); 627 PETSC_EXTERN PetscErrorCode VecSetValuesSection(Vec, PetscSection, PetscInt, PetscScalar [], InsertMode); 628 PETSC_EXTERN PetscErrorCode PetscSectionVecNorm(PetscSection, PetscSection, Vec, NormType, PetscReal []); 629 630 PETSC_EXTERN PetscErrorCode PetscSFCreateFromZero(MPI_Comm,Vec,PetscSF*); 631 PETSC_EXTERN PetscErrorCode PetscSFCreateFromZeroMPI1(MPI_Comm,Vec,PetscSF*); 632 633 /*S 634 VecTagger - Object used to manage the tagging of a subset of indices based on the values of a vector. The 635 motivating application is the selection of cells for refinement or coarsening based on vector containing 636 the values in an error indicator metric. 637 638 Level: advanced 639 S*/ 640 typedef struct _p_VecTagger *VecTagger; 641 642 /*J 643 VecTaggerType - String with the name of a VecTagger type 644 645 Level: advanced 646 J*/ 647 typedef const char* VecTaggerType; 648 /* tag where the vector values are in a box of explicitly defined values */ 649 #define VECTAGGERABSOLUTE "absolute" 650 /* tag where the vector values are in a box of values relative to the set of all values in the vector */ 651 #define VECTAGGERRELATIVE "relative" 652 /* tag where the vector values are in a relative range of the *cumulative distribution* of values in the vector */ 653 #define VECTAGGERCDF "cdf" 654 /* tag a vector as the union of other tags */ 655 #define VECTAGGEROR "or" 656 /* tag a vector as the intersection of other tags */ 657 #define VECTAGGERAND "and" 658 659 PETSC_EXTERN PetscClassId VEC_TAGGER_CLASSID; 660 PETSC_EXTERN PetscFunctionList VecTaggerList; 661 PETSC_EXTERN PetscErrorCode VecTaggerRegister(const char[],PetscErrorCode (*) (VecTagger)); 662 663 PETSC_EXTERN PetscErrorCode VecTaggerCreate(MPI_Comm,VecTagger *); 664 PETSC_EXTERN PetscErrorCode VecTaggerSetBlockSize(VecTagger,PetscInt); 665 PETSC_EXTERN PetscErrorCode VecTaggerGetBlockSize(VecTagger,PetscInt*); 666 PETSC_EXTERN PetscErrorCode VecTaggerSetType(VecTagger,VecTaggerType); 667 PETSC_EXTERN PetscErrorCode VecTaggerGetType(VecTagger,VecTaggerType *); 668 PETSC_EXTERN PetscErrorCode VecTaggerSetInvert(VecTagger,PetscBool); 669 PETSC_EXTERN PetscErrorCode VecTaggerGetInvert(VecTagger,PetscBool*); 670 PETSC_EXTERN PetscErrorCode VecTaggerSetFromOptions(VecTagger); 671 PETSC_EXTERN PetscErrorCode VecTaggerSetUp(VecTagger); 672 PETSC_EXTERN PetscErrorCode VecTaggerView(VecTagger,PetscViewer); 673 PETSC_EXTERN PetscErrorCode VecTaggerComputeIS(VecTagger,Vec,IS *); 674 PETSC_EXTERN PetscErrorCode VecTaggerDestroy(VecTagger *); 675 676 /*S 677 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 678 such that real(min) <= real(z) <= real(max) and imag(min) <= imag(z) <= imag(max). INF is an acceptable endpoint. 679 680 Level: beginner 681 682 .seealso: VecTaggerComputeIntervals() 683 S*/ 684 typedef struct { 685 PetscScalar min; 686 PetscScalar max; 687 } VecTaggerBox; 688 PETSC_EXTERN PetscErrorCode VecTaggerComputeBoxes(VecTagger,Vec,PetscInt *,VecTaggerBox **); 689 690 691 PETSC_EXTERN PetscErrorCode VecTaggerAbsoluteSetBox(VecTagger,VecTaggerBox *); 692 PETSC_EXTERN PetscErrorCode VecTaggerAbsoluteGetBox(VecTagger,const VecTaggerBox **); 693 694 PETSC_EXTERN PetscErrorCode VecTaggerRelativeSetBox(VecTagger,VecTaggerBox *); 695 PETSC_EXTERN PetscErrorCode VecTaggerRelativeGetBox(VecTagger,const VecTaggerBox **); 696 697 PETSC_EXTERN PetscErrorCode VecTaggerCDFSetBox(VecTagger,VecTaggerBox *); 698 PETSC_EXTERN PetscErrorCode VecTaggerCDFGetBox(VecTagger,const VecTaggerBox **); 699 700 /*E 701 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. 702 703 Level: advanced 704 .seealso: VecTaggerCDFSetMethod(), VecTaggerCDFMethods 705 E*/ 706 typedef enum {VECTAGGER_CDF_GATHER,VECTAGGER_CDF_ITERATIVE,VECTAGGER_CDF_NUM_METHODS} VecTaggerCDFMethod; 707 PETSC_EXTERN const char *const VecTaggerCDFMethods[]; 708 709 PETSC_EXTERN PetscErrorCode VecTaggerCDFSetMethod(VecTagger,VecTaggerCDFMethod); 710 PETSC_EXTERN PetscErrorCode VecTaggerCDFGetMethod(VecTagger,VecTaggerCDFMethod*); 711 PETSC_EXTERN PetscErrorCode VecTaggerCDFIterativeSetTolerances(VecTagger,PetscInt,PetscReal,PetscReal); 712 PETSC_EXTERN PetscErrorCode VecTaggerCDFIterativeGetTolerances(VecTagger,PetscInt*,PetscReal*,PetscReal*); 713 714 PETSC_EXTERN PetscErrorCode VecTaggerOrSetSubs(VecTagger,PetscInt,VecTagger*,PetscCopyMode); 715 PETSC_EXTERN PetscErrorCode VecTaggerOrGetSubs(VecTagger,PetscInt*,VecTagger**); 716 717 PETSC_EXTERN PetscErrorCode VecTaggerAndSetSubs(VecTagger,PetscInt,VecTagger*,PetscCopyMode); 718 PETSC_EXTERN PetscErrorCode VecTaggerAndGetSubs(VecTagger,PetscInt*,VecTagger**); 719 720 PETSC_EXTERN PetscErrorCode VecTaggerInitializePackage(void); 721 PETSC_EXTERN PetscErrorCode VecTaggerFinalizePackage(void); 722 723 #endif 724 725