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: VecScatterCreateWithData(), 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 VecScatterCreateWithData() call 46 47 Level: beginner 48 49 .seealso: VecScatter, ScatterMode, VecScatterCreateWithData(), 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 VecScatterCreateWithData() 57 58 Level: beginner 59 60 .seealso: VecScatter, ScatterMode, VecScatterCreateWithData(), 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 VecScatterCreateWithData() 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, VecScatterCreateWithData(), 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 VecScatterCreateWithData() 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, VecScatterCreateWithData(), 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 VECSEQVIENNACL "seqviennacl" 101 #define VECMPIVIENNACL "mpiviennacl" 102 #define VECVIENNACL "viennacl" /* seqviennacl on one process and mpiviennacl on several */ 103 #define VECSEQCUDA "seqcuda" 104 #define VECMPICUDA "mpicuda" 105 #define VECCUDA "cuda" /* seqcuda on one process and mpicuda on several */ 106 #define VECNEST "nest" 107 #define VECNODE "node" /* use on-node shared memory */ 108 109 /*J 110 VecScatterType - String with the name of a PETSc vector scatter type 111 112 Level: beginner 113 114 .seealso: VecScatterSetType(), VecScatter, VecScatterCreateWithData(), VecScatterDestroy() 115 J*/ 116 typedef const char* VecScatterType; 117 #define VECSCATTERSEQ "seq" 118 #define VECSCATTERMPI1 "mpi1" 119 #define VECSCATTERMPI3 "mpi3" /* use MPI3 on-node shared memory */ 120 #define VECSCATTERMPI3NODE "mpi3node" /* use MPI3 on-node shared memory for vector type VECNODE */ 121 #define VECSCATTERSF "sf" /* use StarForest */ 122 123 /* Dynamic creation and loading functions */ 124 PETSC_EXTERN PetscFunctionList VecScatterList; 125 PETSC_EXTERN PetscErrorCode VecScatterSetType(VecScatter, VecScatterType); 126 PETSC_EXTERN PetscErrorCode VecScatterGetType(VecScatter, VecScatterType *); 127 PETSC_EXTERN PetscErrorCode VecScatterSetFromOptions(VecScatter); 128 PETSC_EXTERN PetscErrorCode VecScatterRegister(const char[],PetscErrorCode (*)(VecScatter)); 129 PETSC_EXTERN PetscErrorCode VecScatterCreateWithData(Vec,IS,Vec,IS,VecScatter*); 130 PETSC_EXTERN PetscErrorCode VecScatterInitializePackage(void); 131 PETSC_EXTERN PetscErrorCode VecScatterFinalizePackage(void); 132 133 /* Logging support */ 134 #define REAL_FILE_CLASSID 1211213 135 #define VEC_FILE_CLASSID 1211214 136 PETSC_EXTERN PetscClassId VEC_CLASSID; 137 PETSC_EXTERN PetscClassId VEC_SCATTER_CLASSID; 138 139 140 PETSC_EXTERN PetscErrorCode VecInitializePackage(void); 141 PETSC_EXTERN PetscErrorCode VecFinalizePackage(void); 142 143 PETSC_EXTERN PetscErrorCode VecCreate(MPI_Comm,Vec*); 144 PETSC_EXTERN PetscErrorCode VecCreateSeq(MPI_Comm,PetscInt,Vec*); 145 PETSC_EXTERN PetscErrorCode VecCreateMPI(MPI_Comm,PetscInt,PetscInt,Vec*); 146 PETSC_EXTERN PetscErrorCode VecCreateSeqWithArray(MPI_Comm,PetscInt,PetscInt,const PetscScalar[],Vec*); 147 PETSC_EXTERN PetscErrorCode VecCreateMPIWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscScalar[],Vec*); 148 PETSC_EXTERN PetscErrorCode VecCreateShared(MPI_Comm,PetscInt,PetscInt,Vec*); 149 PETSC_EXTERN PetscErrorCode VecCreateNode(MPI_Comm,PetscInt,PetscInt,Vec*); 150 151 PETSC_EXTERN PetscErrorCode VecSetFromOptions(Vec); 152 PETSC_STATIC_INLINE PetscErrorCode VecViewFromOptions(Vec A,PetscObject B,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,B,name);} 153 154 PETSC_EXTERN PetscErrorCode VecSetUp(Vec); 155 PETSC_EXTERN PetscErrorCode VecDestroy(Vec*); 156 PETSC_EXTERN PetscErrorCode VecZeroEntries(Vec); 157 PETSC_EXTERN PetscErrorCode VecSetOptionsPrefix(Vec,const char[]); 158 PETSC_EXTERN PetscErrorCode VecAppendOptionsPrefix(Vec,const char[]); 159 PETSC_EXTERN PetscErrorCode VecGetOptionsPrefix(Vec,const char*[]); 160 161 PETSC_EXTERN PetscErrorCode VecSetSizes(Vec,PetscInt,PetscInt); 162 163 PETSC_EXTERN PetscErrorCode VecDotNorm2(Vec,Vec,PetscScalar*,PetscReal*); 164 PETSC_EXTERN PetscErrorCode VecDot(Vec,Vec,PetscScalar*); 165 PETSC_EXTERN PetscErrorCode VecDotRealPart(Vec,Vec,PetscReal*); 166 PETSC_EXTERN PetscErrorCode VecTDot(Vec,Vec,PetscScalar*); 167 PETSC_EXTERN PetscErrorCode VecMDot(Vec,PetscInt,const Vec[],PetscScalar[]); 168 PETSC_EXTERN PetscErrorCode VecMTDot(Vec,PetscInt,const Vec[],PetscScalar[]); 169 PETSC_EXTERN PetscErrorCode VecGetSubVector(Vec,IS,Vec*); 170 PETSC_EXTERN PetscErrorCode VecRestoreSubVector(Vec,IS,Vec*); 171 172 /*E 173 NormType - determines what type of norm to compute 174 175 Level: beginner 176 177 .seealso: VecNorm(), VecNormBegin(), VecNormEnd(), MatNorm() 178 E*/ 179 typedef enum {NORM_1=0,NORM_2=1,NORM_FROBENIUS=2,NORM_INFINITY=3,NORM_1_AND_2=4} NormType; 180 PETSC_EXTERN const char *const NormTypes[]; 181 #define NORM_MAX NORM_INFINITY 182 183 /*MC 184 NORM_1 - the one norm, ||v|| = sum_i | v_i |. ||A|| = max_j || v_*j ||, maximum column sum 185 186 Level: beginner 187 188 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_2, NORM_FROBENIUS, 189 NORM_INFINITY, NORM_1_AND_2 190 191 M*/ 192 193 /*MC 194 NORM_2 - the two norm, ||v|| = sqrt(sum_i |v_i|^2) (vectors only) 195 196 Level: beginner 197 198 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_FROBENIUS, 199 NORM_INFINITY, NORM_1_AND_2 200 201 M*/ 202 203 /*MC 204 NORM_FROBENIUS - ||A|| = sqrt(sum_ij |A_ij|^2), same as NORM_2 for vectors 205 206 Level: beginner 207 208 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 209 NORM_INFINITY, NORM_1_AND_2 210 211 M*/ 212 213 /*MC 214 NORM_INFINITY - ||v|| = max_i |v_i|. ||A|| = max_i || v_i* ||, maximum row sum 215 216 Level: beginner 217 218 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 219 NORM_FROBINIUS, NORM_1_AND_2 220 221 M*/ 222 223 /*MC 224 NORM_1_AND_2 - computes both the 1 and 2 norm of a vector 225 226 Level: beginner 227 228 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 229 NORM_FROBINIUS, NORM_INFINITY 230 231 M*/ 232 233 /*MC 234 NORM_MAX - see NORM_INFINITY 235 236 Level: beginner 237 238 M*/ 239 240 PETSC_EXTERN PetscErrorCode VecNorm(Vec,NormType,PetscReal *); 241 PETSC_EXTERN PetscErrorCode VecNormAvailable(Vec,NormType,PetscBool *,PetscReal *); 242 PETSC_EXTERN PetscErrorCode VecNormalize(Vec,PetscReal *); 243 PETSC_EXTERN PetscErrorCode VecSum(Vec,PetscScalar*); 244 PETSC_EXTERN PetscErrorCode VecMax(Vec,PetscInt*,PetscReal *); 245 PETSC_EXTERN PetscErrorCode VecMin(Vec,PetscInt*,PetscReal *); 246 PETSC_EXTERN PetscErrorCode VecScale(Vec,PetscScalar); 247 PETSC_EXTERN PetscErrorCode VecCopy(Vec,Vec); 248 PETSC_EXTERN PetscErrorCode VecSetRandom(Vec,PetscRandom); 249 PETSC_EXTERN PetscErrorCode VecSet(Vec,PetscScalar); 250 PETSC_EXTERN PetscErrorCode VecSetInf(Vec); 251 PETSC_EXTERN PetscErrorCode VecSwap(Vec,Vec); 252 PETSC_EXTERN PetscErrorCode VecAXPY(Vec,PetscScalar,Vec); 253 PETSC_EXTERN PetscErrorCode VecAXPBY(Vec,PetscScalar,PetscScalar,Vec); 254 PETSC_EXTERN PetscErrorCode VecMAXPY(Vec,PetscInt,const PetscScalar[],Vec[]); 255 PETSC_EXTERN PetscErrorCode VecAYPX(Vec,PetscScalar,Vec); 256 PETSC_EXTERN PetscErrorCode VecWAXPY(Vec,PetscScalar,Vec,Vec); 257 PETSC_EXTERN PetscErrorCode VecAXPBYPCZ(Vec,PetscScalar,PetscScalar,PetscScalar,Vec,Vec); 258 PETSC_EXTERN PetscErrorCode VecPointwiseMax(Vec,Vec,Vec); 259 PETSC_EXTERN PetscErrorCode VecPointwiseMaxAbs(Vec,Vec,Vec); 260 PETSC_EXTERN PetscErrorCode VecPointwiseMin(Vec,Vec,Vec); 261 PETSC_EXTERN PetscErrorCode VecPointwiseMult(Vec,Vec,Vec); 262 PETSC_EXTERN PetscErrorCode VecPointwiseDivide(Vec,Vec,Vec); 263 PETSC_EXTERN PetscErrorCode VecMaxPointwiseDivide(Vec,Vec,PetscReal*); 264 PETSC_EXTERN PetscErrorCode VecShift(Vec,PetscScalar); 265 PETSC_EXTERN PetscErrorCode VecReciprocal(Vec); 266 PETSC_EXTERN PetscErrorCode VecPermute(Vec, IS, PetscBool ); 267 PETSC_EXTERN PetscErrorCode VecSqrtAbs(Vec); 268 PETSC_EXTERN PetscErrorCode VecLog(Vec); 269 PETSC_EXTERN PetscErrorCode VecExp(Vec); 270 PETSC_EXTERN PetscErrorCode VecAbs(Vec); 271 PETSC_EXTERN PetscErrorCode VecDuplicate(Vec,Vec*); 272 PETSC_EXTERN PetscErrorCode VecDuplicateVecs(Vec,PetscInt,Vec*[]); 273 PETSC_EXTERN PetscErrorCode VecDestroyVecs(PetscInt, Vec*[]); 274 PETSC_EXTERN PetscErrorCode VecStrideNormAll(Vec,NormType,PetscReal[]); 275 PETSC_EXTERN PetscErrorCode VecStrideMaxAll(Vec,PetscInt [],PetscReal []); 276 PETSC_EXTERN PetscErrorCode VecStrideMinAll(Vec,PetscInt [],PetscReal []); 277 PETSC_EXTERN PetscErrorCode VecStrideScaleAll(Vec,const PetscScalar[]); 278 PETSC_EXTERN PetscErrorCode VecUniqueEntries(Vec,PetscInt*,PetscScalar**); 279 280 PETSC_EXTERN PetscErrorCode VecStrideNorm(Vec,PetscInt,NormType,PetscReal*); 281 PETSC_EXTERN PetscErrorCode VecStrideMax(Vec,PetscInt,PetscInt *,PetscReal *); 282 PETSC_EXTERN PetscErrorCode VecStrideMin(Vec,PetscInt,PetscInt *,PetscReal *); 283 PETSC_EXTERN PetscErrorCode VecStrideScale(Vec,PetscInt,PetscScalar); 284 PETSC_EXTERN PetscErrorCode VecStrideSet(Vec,PetscInt,PetscScalar); 285 286 287 PETSC_EXTERN PetscErrorCode VecStrideGather(Vec,PetscInt,Vec,InsertMode); 288 PETSC_EXTERN PetscErrorCode VecStrideScatter(Vec,PetscInt,Vec,InsertMode); 289 PETSC_EXTERN PetscErrorCode VecStrideGatherAll(Vec,Vec[],InsertMode); 290 PETSC_EXTERN PetscErrorCode VecStrideScatterAll(Vec[],Vec,InsertMode); 291 292 PETSC_EXTERN PetscErrorCode VecStrideSubSetScatter(Vec,PetscInt,const PetscInt[],const PetscInt[],Vec,InsertMode); 293 PETSC_EXTERN PetscErrorCode VecStrideSubSetGather(Vec,PetscInt,const PetscInt[],const PetscInt[],Vec,InsertMode); 294 295 PETSC_EXTERN PetscErrorCode VecSetValues(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 296 PETSC_EXTERN PetscErrorCode VecGetValues(Vec,PetscInt,const PetscInt[],PetscScalar[]); 297 PETSC_EXTERN PetscErrorCode VecAssemblyBegin(Vec); 298 PETSC_EXTERN PetscErrorCode VecAssemblyEnd(Vec); 299 PETSC_EXTERN PetscErrorCode VecStashSetInitialSize(Vec,PetscInt,PetscInt); 300 PETSC_EXTERN PetscErrorCode VecStashView(Vec,PetscViewer); 301 PETSC_EXTERN PetscErrorCode VecStashViewFromOptions(Vec,PetscObject,const char[]); 302 PETSC_EXTERN PetscErrorCode VecStashGetInfo(Vec,PetscInt*,PetscInt*,PetscInt*,PetscInt*); 303 304 /*MC 305 VecSetValue - Set a single entry into a vector. 306 307 Synopsis: 308 #include <petscvec.h> 309 PetscErrorCode VecSetValue(Vec v,PetscInt row,PetscScalar value, InsertMode mode); 310 311 Not Collective 312 313 Input Parameters: 314 + v - the vector 315 . row - the row location of the entry 316 . value - the value to insert 317 - mode - either INSERT_VALUES or ADD_VALUES 318 319 Notes: 320 For efficiency one should use VecSetValues() and set several or 321 many values simultaneously if possible. 322 323 These values may be cached, so VecAssemblyBegin() and VecAssemblyEnd() 324 MUST be called after all calls to VecSetValue() have been completed. 325 326 VecSetValue() uses 0-based indices in Fortran as well as in C. 327 328 Level: beginner 329 330 .seealso: VecSetValues(), VecAssemblyBegin(), VecAssemblyEnd(), VecSetValuesBlockedLocal(), VecSetValueLocal() 331 M*/ 332 PETSC_STATIC_INLINE PetscErrorCode VecSetValue(Vec v,PetscInt i,PetscScalar va,InsertMode mode) {return VecSetValues(v,1,&i,&va,mode);} 333 334 335 PETSC_EXTERN PetscErrorCode VecSetBlockSize(Vec,PetscInt); 336 PETSC_EXTERN PetscErrorCode VecGetBlockSize(Vec,PetscInt*); 337 PETSC_EXTERN PetscErrorCode VecSetValuesBlocked(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 338 339 /* Dynamic creation and loading functions */ 340 PETSC_EXTERN PetscFunctionList VecList; 341 PETSC_EXTERN PetscErrorCode VecSetType(Vec, VecType); 342 PETSC_EXTERN PetscErrorCode VecGetType(Vec, VecType *); 343 PETSC_EXTERN PetscErrorCode VecRegister(const char[],PetscErrorCode (*)(Vec)); 344 345 PETSC_EXTERN PetscErrorCode VecScatterSetData(VecScatter,Vec,IS,Vec,IS); 346 PETSC_EXTERN PetscErrorCode VecScatterCreate(MPI_Comm,VecScatter *); 347 PETSC_EXTERN PetscErrorCode VecScatterBegin(VecScatter,Vec,Vec,InsertMode,ScatterMode); 348 PETSC_EXTERN PetscErrorCode VecScatterEnd(VecScatter,Vec,Vec,InsertMode,ScatterMode); 349 PETSC_EXTERN PetscErrorCode VecScatterDestroy(VecScatter*); 350 PETSC_EXTERN PetscErrorCode VecScatterSetUp(VecScatter); 351 PETSC_EXTERN PetscErrorCode VecScatterCopy(VecScatter,VecScatter *); 352 PETSC_EXTERN PetscErrorCode VecScatterView(VecScatter,PetscViewer); 353 PETSC_STATIC_INLINE PetscErrorCode VecScatterViewFromOptions(VecScatter A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);} 354 PETSC_EXTERN PetscErrorCode VecScatterRemap(VecScatter,PetscInt[],PetscInt[]); 355 PETSC_EXTERN PetscErrorCode VecScatterGetMerged(VecScatter,PetscBool *); 356 357 PETSC_EXTERN PetscErrorCode VecGetArray4d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 358 PETSC_EXTERN PetscErrorCode VecRestoreArray4d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 359 PETSC_EXTERN PetscErrorCode VecGetArray3d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 360 PETSC_EXTERN PetscErrorCode VecRestoreArray3d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 361 PETSC_EXTERN PetscErrorCode VecGetArray2d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 362 PETSC_EXTERN PetscErrorCode VecRestoreArray2d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 363 PETSC_EXTERN PetscErrorCode VecGetArray1d(Vec,PetscInt,PetscInt,PetscScalar *[]); 364 PETSC_EXTERN PetscErrorCode VecRestoreArray1d(Vec,PetscInt,PetscInt,PetscScalar *[]); 365 366 PETSC_EXTERN PetscErrorCode VecGetArray4dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 367 PETSC_EXTERN PetscErrorCode VecRestoreArray4dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 368 PETSC_EXTERN PetscErrorCode VecGetArray3dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 369 PETSC_EXTERN PetscErrorCode VecRestoreArray3dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 370 PETSC_EXTERN PetscErrorCode VecGetArray2dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 371 PETSC_EXTERN PetscErrorCode VecRestoreArray2dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 372 PETSC_EXTERN PetscErrorCode VecGetArray1dRead(Vec,PetscInt,PetscInt,PetscScalar *[]); 373 PETSC_EXTERN PetscErrorCode VecRestoreArray1dRead(Vec,PetscInt,PetscInt,PetscScalar *[]); 374 375 PETSC_EXTERN PetscErrorCode VecPlaceArray(Vec,const PetscScalar[]); 376 PETSC_EXTERN PetscErrorCode VecResetArray(Vec); 377 PETSC_EXTERN PetscErrorCode VecReplaceArray(Vec,const PetscScalar[]); 378 PETSC_EXTERN PetscErrorCode VecGetArrays(const Vec[],PetscInt,PetscScalar**[]); 379 PETSC_EXTERN PetscErrorCode VecRestoreArrays(const Vec[],PetscInt,PetscScalar**[]); 380 381 PETSC_EXTERN PetscErrorCode VecView(Vec,PetscViewer); 382 PETSC_EXTERN PetscErrorCode VecEqual(Vec,Vec,PetscBool *); 383 PETSC_EXTERN PetscErrorCode VecLoad(Vec, PetscViewer); 384 385 PETSC_EXTERN PetscErrorCode VecGetSize(Vec,PetscInt*); 386 PETSC_EXTERN PetscErrorCode VecGetLocalSize(Vec,PetscInt*); 387 PETSC_EXTERN PetscErrorCode VecGetOwnershipRange(Vec,PetscInt*,PetscInt*); 388 PETSC_EXTERN PetscErrorCode VecGetOwnershipRanges(Vec,const PetscInt *[]); 389 390 PETSC_EXTERN PetscErrorCode VecSetLocalToGlobalMapping(Vec,ISLocalToGlobalMapping); 391 PETSC_EXTERN PetscErrorCode VecSetValuesLocal(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 392 393 /*MC 394 VecSetValueLocal - Set a single entry into a vector using the local numbering 395 396 Synopsis: 397 #include <petscvec.h> 398 PetscErrorCode VecSetValueLocal(Vec v,PetscInt row,PetscScalar value, InsertMode mode); 399 400 Not Collective 401 402 Input Parameters: 403 + v - the vector 404 . row - the row location of the entry 405 . value - the value to insert 406 - mode - either INSERT_VALUES or ADD_VALUES 407 408 Notes: 409 For efficiency one should use VecSetValues() and set several or 410 many values simultaneously if possible. 411 412 These values may be cached, so VecAssemblyBegin() and VecAssemblyEnd() 413 MUST be called after all calls to VecSetValues() have been completed. 414 415 VecSetValues() uses 0-based indices in Fortran as well as in C. 416 417 Level: beginner 418 419 .seealso: VecSetValues(), VecAssemblyBegin(), VecAssemblyEnd(), VecSetValuesBlockedLocal(), VecSetValue() 420 M*/ 421 PETSC_STATIC_INLINE PetscErrorCode VecSetValueLocal(Vec v,PetscInt i,PetscScalar va,InsertMode mode) {return VecSetValuesLocal(v,1,&i,&va,mode);} 422 423 PETSC_EXTERN PetscErrorCode VecSetValuesBlockedLocal(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 424 PETSC_EXTERN PetscErrorCode VecGetLocalToGlobalMapping(Vec,ISLocalToGlobalMapping*); 425 426 PETSC_EXTERN PetscErrorCode VecDotBegin(Vec,Vec,PetscScalar *); 427 PETSC_EXTERN PetscErrorCode VecDotEnd(Vec,Vec,PetscScalar *); 428 PETSC_EXTERN PetscErrorCode VecTDotBegin(Vec,Vec,PetscScalar *); 429 PETSC_EXTERN PetscErrorCode VecTDotEnd(Vec,Vec,PetscScalar *); 430 PETSC_EXTERN PetscErrorCode VecNormBegin(Vec,NormType,PetscReal *); 431 PETSC_EXTERN PetscErrorCode VecNormEnd(Vec,NormType,PetscReal *); 432 433 PETSC_EXTERN PetscErrorCode VecMDotBegin(Vec,PetscInt,const Vec[],PetscScalar[]); 434 PETSC_EXTERN PetscErrorCode VecMDotEnd(Vec,PetscInt,const Vec[],PetscScalar[]); 435 PETSC_EXTERN PetscErrorCode VecMTDotBegin(Vec,PetscInt,const Vec[],PetscScalar[]); 436 PETSC_EXTERN PetscErrorCode VecMTDotEnd(Vec,PetscInt,const Vec[],PetscScalar[]); 437 PETSC_EXTERN PetscErrorCode PetscCommSplitReductionBegin(MPI_Comm); 438 439 440 typedef enum {VEC_IGNORE_OFF_PROC_ENTRIES,VEC_IGNORE_NEGATIVE_INDICES,VEC_SUBSET_OFF_PROC_ENTRIES} VecOption; 441 PETSC_EXTERN PetscErrorCode VecSetOption(Vec,VecOption,PetscBool ); 442 443 PETSC_EXTERN PetscErrorCode VecGetArray(Vec,PetscScalar**); 444 PETSC_EXTERN PetscErrorCode VecGetArrayRead(Vec,const PetscScalar**); 445 PETSC_EXTERN PetscErrorCode VecRestoreArray(Vec,PetscScalar**); 446 PETSC_EXTERN PetscErrorCode VecRestoreArrayRead(Vec,const PetscScalar**); 447 PETSC_EXTERN PetscErrorCode VecGetLocalVector(Vec,Vec); 448 PETSC_EXTERN PetscErrorCode VecRestoreLocalVector(Vec,Vec); 449 PETSC_EXTERN PetscErrorCode VecGetLocalVectorRead(Vec,Vec); 450 PETSC_EXTERN PetscErrorCode VecRestoreLocalVectorRead(Vec,Vec); 451 452 /*@C 453 VecGetArrayPair - Accesses a pair of pointers for two vectors that may be common. When not common the first is read only 454 455 Logically Collective on Vec 456 457 Input Parameters: 458 + x - the vector 459 - y - the second vector 460 461 Output Parameters: 462 + xv - location to put pointer to the first array 463 - yv - location to put pointer to the second array 464 465 Level: developer 466 467 Not available from Fortran 468 469 .seealso: VecGetArray(), VecGetArrayRead(), VecRestoreArrayPair() 470 471 @*/ 472 PETSC_STATIC_INLINE PetscErrorCode VecGetArrayPair(Vec x,Vec y,PetscScalar **xv,PetscScalar **yv) 473 { 474 PetscErrorCode ierr; 475 476 PetscFunctionBegin; 477 ierr = VecGetArray(y,yv);CHKERRQ(ierr); 478 if (x != y) { 479 ierr = VecGetArrayRead(x,(const PetscScalar **)xv);CHKERRQ(ierr); 480 } else { 481 *xv = *yv; 482 } 483 PetscFunctionReturn(0); 484 } 485 486 /*@C 487 VecRestoreArrayPair - Returns a pair of pointers for two vectors that may be common. When not common the first is read only 488 489 Logically Collective on Vec 490 491 Input Parameters: 492 + x - the vector 493 - y - the second vector 494 495 Output Parameters: 496 + xv - location to put pointer to the first array 497 - yv - location to put pointer to the second array 498 499 Level: developer 500 501 Not available from Fortran 502 503 .seealso: VecGetArray(), VecGetArrayRead(), VecGetArrayPair() 504 505 @*/ 506 PETSC_STATIC_INLINE PetscErrorCode VecRestoreArrayPair(Vec x,Vec y,PetscScalar **xv,PetscScalar **yv) 507 { 508 PetscErrorCode ierr; 509 510 PetscFunctionBegin; 511 ierr = VecRestoreArray(y,yv);CHKERRQ(ierr); 512 if (x != y) { 513 ierr = VecRestoreArrayRead(x,(const PetscScalar **)xv);CHKERRQ(ierr); 514 } 515 PetscFunctionReturn(0); 516 } 517 518 #if defined(PETSC_USE_DEBUG) 519 PETSC_EXTERN PetscErrorCode VecLockGet(Vec,PetscInt*); 520 PETSC_EXTERN PetscErrorCode VecLockPush(Vec); 521 PETSC_EXTERN PetscErrorCode VecLockPop(Vec); 522 PETSC_EXTERN PetscErrorCode VecWriteLock(Vec); 523 PETSC_EXTERN PetscErrorCode VecWriteUnlock(Vec); 524 #define VecLocked(x,arg) \ 525 do { \ 526 PetscInt __st; \ 527 PetscErrorCode __ierr; \ 528 __ierr = VecLockGet(x,&__st);CHKERRQ(__ierr); \ 529 if (__st != 0) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE," Vec is already locked for read-only or read/write access, argument # %d",arg); \ 530 } while (0) 531 #else 532 #define VecLockGet(x,arg) *(arg) = 0 533 #define VecLockPush(x) 0 534 #define VecLockPop(x) 0 535 #define VecWriteLock(Vec) 0 536 #define VecWriteUnlock(Vec) 0 537 #define VecLocked(x,arg) 538 #endif 539 540 PETSC_EXTERN PetscErrorCode VecValidValues(Vec,PetscInt,PetscBool); 541 542 /* 543 These numbers need to match the entries in 544 the function table in vecimpl.h 545 */ 546 typedef enum { VECOP_DUPLICATE = 0, VECOP_VIEW = 33, VECOP_LOAD = 41, VECOP_VIEWNATIVE = 68, VECOP_LOADNATIVE = 69 } VecOperation; 547 PETSC_EXTERN PetscErrorCode VecSetOperation(Vec,VecOperation,void(*)(void)); 548 549 /* 550 Routines for dealing with ghosted vectors: 551 vectors with ghost elements at the end of the array. 552 */ 553 PETSC_EXTERN PetscErrorCode VecMPISetGhost(Vec,PetscInt,const PetscInt[]); 554 PETSC_EXTERN PetscErrorCode VecCreateGhost(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*); 555 PETSC_EXTERN PetscErrorCode VecCreateGhostWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*); 556 PETSC_EXTERN PetscErrorCode VecCreateGhostBlock(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*); 557 PETSC_EXTERN PetscErrorCode VecCreateGhostBlockWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*); 558 PETSC_EXTERN PetscErrorCode VecGhostGetLocalForm(Vec,Vec*); 559 PETSC_EXTERN PetscErrorCode VecGhostRestoreLocalForm(Vec,Vec*); 560 PETSC_EXTERN PetscErrorCode VecGhostIsLocalForm(Vec,Vec,PetscBool*); 561 PETSC_EXTERN PetscErrorCode VecGhostUpdateBegin(Vec,InsertMode,ScatterMode); 562 PETSC_EXTERN PetscErrorCode VecGhostUpdateEnd(Vec,InsertMode,ScatterMode); 563 564 PETSC_EXTERN PetscErrorCode VecConjugate(Vec); 565 PETSC_EXTERN PetscErrorCode VecImaginaryPart(Vec); 566 PETSC_EXTERN PetscErrorCode VecRealPart(Vec); 567 568 PETSC_EXTERN PetscErrorCode VecScatterCreateToAll(Vec,VecScatter*,Vec*); 569 PETSC_EXTERN PetscErrorCode VecScatterCreateToZero(Vec,VecScatter*,Vec*); 570 571 PETSC_EXTERN PetscErrorCode ISComplementVec(IS,Vec,IS*); 572 PETSC_EXTERN PetscErrorCode VecPow(Vec, PetscScalar); 573 PETSC_EXTERN PetscErrorCode VecMedian(Vec, Vec, Vec, Vec); 574 PETSC_EXTERN PetscErrorCode VecWhichInactive(Vec, Vec, Vec, Vec, PetscBool, IS *); 575 PETSC_EXTERN PetscErrorCode VecWhichBetween(Vec, Vec, Vec, IS *); 576 PETSC_EXTERN PetscErrorCode VecWhichBetweenOrEqual(Vec, Vec, Vec, IS *); 577 PETSC_EXTERN PetscErrorCode VecWhichGreaterThan(Vec, Vec, IS * ); 578 PETSC_EXTERN PetscErrorCode VecWhichLessThan(Vec, Vec, IS *); 579 PETSC_EXTERN PetscErrorCode VecWhichEqual(Vec, Vec, IS *); 580 PETSC_EXTERN PetscErrorCode VecISAXPY(Vec, IS, PetscScalar,Vec); 581 PETSC_EXTERN PetscErrorCode VecISCopy(Vec, IS, ScatterMode, Vec); 582 PETSC_EXTERN PetscErrorCode VecISSet(Vec,IS, PetscScalar); 583 PETSC_EXTERN PetscErrorCode VecBoundGradientProjection(Vec, Vec, Vec, Vec, Vec); 584 PETSC_EXTERN PetscErrorCode VecStepBoundInfo(Vec,Vec,Vec,Vec,PetscReal*, PetscReal*,PetscReal*); 585 PETSC_EXTERN PetscErrorCode VecStepMax(Vec, Vec, PetscReal *); 586 PETSC_EXTERN PetscErrorCode VecStepMaxBounded(Vec,Vec,Vec,Vec,PetscReal*); 587 588 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaGetVector(PetscViewer, Vec); 589 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutVector(PetscViewer, Vec); 590 591 /*S 592 Vecs - Collection of vectors where the data for the vectors is stored in 593 one contiguous memory 594 595 Level: advanced 596 597 Notes: 598 Temporary construct for handling multiply right hand side solves 599 600 This is faked by storing a single vector that has enough array space for 601 n vectors 602 603 Concepts: parallel decomposition 604 605 S*/ 606 struct _n_Vecs {PetscInt n; Vec v;}; 607 typedef struct _n_Vecs* Vecs; 608 PETSC_EXTERN PetscErrorCode VecsDestroy(Vecs); 609 PETSC_EXTERN PetscErrorCode VecsCreateSeq(MPI_Comm,PetscInt,PetscInt,Vecs*); 610 PETSC_EXTERN PetscErrorCode VecsCreateSeqWithArray(MPI_Comm,PetscInt,PetscInt,PetscScalar*,Vecs*); 611 PETSC_EXTERN PetscErrorCode VecsDuplicate(Vecs,Vecs*); 612 613 #if defined(PETSC_HAVE_VIENNACL) 614 typedef struct _p_PetscViennaCLIndices* PetscViennaCLIndices; 615 PETSC_EXTERN PetscErrorCode PetscViennaCLIndicesCreate(PetscInt, PetscInt*,PetscInt, PetscInt*,PetscViennaCLIndices*); 616 PETSC_EXTERN PetscErrorCode PetscViennaCLIndicesDestroy(PetscViennaCLIndices*); 617 PETSC_EXTERN PetscErrorCode VecViennaCLCopyToGPUSome_Public(Vec,PetscViennaCLIndices); 618 PETSC_EXTERN PetscErrorCode VecViennaCLCopyFromGPUSome_Public(Vec,PetscViennaCLIndices); 619 PETSC_EXTERN PetscErrorCode VecCreateSeqViennaCL(MPI_Comm,PetscInt,Vec*); 620 PETSC_EXTERN PetscErrorCode VecCreateMPIViennaCL(MPI_Comm,PetscInt,PetscInt,Vec*); 621 #endif 622 #if defined(PETSC_HAVE_CUDA) 623 typedef struct _p_PetscCUDAIndices* PetscCUDAIndices; 624 typedef struct _p_VecScatterCUDAIndices_StoS* VecScatterCUDAIndices_StoS; 625 typedef struct _p_VecScatterCUDAIndices_PtoP* VecScatterCUDAIndices_PtoP; 626 PETSC_EXTERN PetscErrorCode VecCUDACopyToGPUSome_Public(Vec,PetscCUDAIndices,ScatterMode); 627 PETSC_EXTERN PetscErrorCode VecCUDACopyFromGPUSome_Public(Vec,PetscCUDAIndices,ScatterMode); 628 PETSC_EXTERN PetscErrorCode VecScatterInitializeForGPU(VecScatter,Vec); 629 PETSC_EXTERN PetscErrorCode VecScatterFinalizeForGPU(VecScatter); 630 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDA(MPI_Comm,PetscInt,Vec*); 631 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDAWithArray(MPI_Comm,PetscInt,PetscInt,const PetscScalar*,Vec*); 632 PETSC_EXTERN PetscErrorCode VecCreateMPICUDA(MPI_Comm,PetscInt,PetscInt,Vec*); 633 PETSC_EXTERN PetscErrorCode VecCreateMPICUDAWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscScalar*,Vec*); 634 #endif 635 636 PETSC_EXTERN PetscErrorCode VecNestGetSubVecs(Vec,PetscInt*,Vec**); 637 PETSC_EXTERN PetscErrorCode VecNestGetSubVec(Vec,PetscInt,Vec*); 638 PETSC_EXTERN PetscErrorCode VecNestSetSubVecs(Vec,PetscInt,PetscInt*,Vec*); 639 PETSC_EXTERN PetscErrorCode VecNestSetSubVec(Vec,PetscInt,Vec); 640 PETSC_EXTERN PetscErrorCode VecCreateNest(MPI_Comm,PetscInt,IS*,Vec*,Vec*); 641 PETSC_EXTERN PetscErrorCode VecNestGetSize(Vec,PetscInt*); 642 643 PETSC_EXTERN PetscErrorCode PetscOptionsGetVec(PetscOptions,const char[],const char[],Vec,PetscBool*); 644 PETSC_EXTERN PetscErrorCode VecChop(Vec,PetscReal); 645 646 PETSC_EXTERN PetscErrorCode VecGetLayout(Vec,PetscLayout*); 647 PETSC_EXTERN PetscErrorCode VecSetLayout(Vec,PetscLayout); 648 649 PETSC_EXTERN PetscErrorCode PetscSectionVecView(PetscSection, Vec, PetscViewer); 650 PETSC_EXTERN PetscErrorCode VecGetValuesSection(Vec, PetscSection, PetscInt, PetscScalar **); 651 PETSC_EXTERN PetscErrorCode VecSetValuesSection(Vec, PetscSection, PetscInt, PetscScalar [], InsertMode); 652 PETSC_EXTERN PetscErrorCode PetscSectionVecNorm(PetscSection, PetscSection, Vec, NormType, PetscReal []); 653 654 PETSC_EXTERN PetscErrorCode PetscSFCreateFromZero(MPI_Comm,Vec,PetscSF*); 655 656 /*S 657 VecTagger - Object used to manage the tagging of a subset of indices based on the values of a vector. The 658 motivating application is the selection of cells for refinement or coarsening based on vector containing 659 the values in an error indicator metric. 660 661 Level: advanced 662 S*/ 663 typedef struct _p_VecTagger *VecTagger; 664 665 /*J 666 VecTaggerType - String with the name of a VecTagger type 667 668 Level: advanced 669 J*/ 670 typedef const char* VecTaggerType; 671 /* tag where the vector values are in a box of explicitly defined values */ 672 #define VECTAGGERABSOLUTE "absolute" 673 /* tag where the vector values are in a box of values relative to the set of all values in the vector */ 674 #define VECTAGGERRELATIVE "relative" 675 /* tag where the vector values are in a relative range of the *cumulative distribution* of values in the vector */ 676 #define VECTAGGERCDF "cdf" 677 /* tag a vector as the union of other tags */ 678 #define VECTAGGEROR "or" 679 /* tag a vector as the intersection of other tags */ 680 #define VECTAGGERAND "and" 681 682 PETSC_EXTERN PetscClassId VEC_TAGGER_CLASSID; 683 PETSC_EXTERN PetscFunctionList VecTaggerList; 684 PETSC_EXTERN PetscErrorCode VecTaggerRegister(const char[],PetscErrorCode (*) (VecTagger)); 685 686 PETSC_EXTERN PetscErrorCode VecTaggerCreate(MPI_Comm,VecTagger *); 687 PETSC_EXTERN PetscErrorCode VecTaggerSetBlockSize(VecTagger,PetscInt); 688 PETSC_EXTERN PetscErrorCode VecTaggerGetBlockSize(VecTagger,PetscInt*); 689 PETSC_EXTERN PetscErrorCode VecTaggerSetType(VecTagger,VecTaggerType); 690 PETSC_EXTERN PetscErrorCode VecTaggerGetType(VecTagger,VecTaggerType *); 691 PETSC_EXTERN PetscErrorCode VecTaggerSetInvert(VecTagger,PetscBool); 692 PETSC_EXTERN PetscErrorCode VecTaggerGetInvert(VecTagger,PetscBool*); 693 PETSC_EXTERN PetscErrorCode VecTaggerSetFromOptions(VecTagger); 694 PETSC_EXTERN PetscErrorCode VecTaggerSetUp(VecTagger); 695 PETSC_EXTERN PetscErrorCode VecTaggerView(VecTagger,PetscViewer); 696 PETSC_EXTERN PetscErrorCode VecTaggerComputeIS(VecTagger,Vec,IS *); 697 PETSC_EXTERN PetscErrorCode VecTaggerDestroy(VecTagger *); 698 699 /*S 700 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 701 such that real(min) <= real(z) <= real(max) and imag(min) <= imag(z) <= imag(max). INF is an acceptable endpoint. 702 703 Level: beginner 704 705 .seealso: VecTaggerComputeIntervals() 706 S*/ 707 typedef struct { 708 PetscScalar min; 709 PetscScalar max; 710 } VecTaggerBox; 711 PETSC_EXTERN PetscErrorCode VecTaggerComputeBoxes(VecTagger,Vec,PetscInt *,VecTaggerBox **); 712 713 714 PETSC_EXTERN PetscErrorCode VecTaggerAbsoluteSetBox(VecTagger,VecTaggerBox *); 715 PETSC_EXTERN PetscErrorCode VecTaggerAbsoluteGetBox(VecTagger,const VecTaggerBox **); 716 717 PETSC_EXTERN PetscErrorCode VecTaggerRelativeSetBox(VecTagger,VecTaggerBox *); 718 PETSC_EXTERN PetscErrorCode VecTaggerRelativeGetBox(VecTagger,const VecTaggerBox **); 719 720 PETSC_EXTERN PetscErrorCode VecTaggerCDFSetBox(VecTagger,VecTaggerBox *); 721 PETSC_EXTERN PetscErrorCode VecTaggerCDFGetBox(VecTagger,const VecTaggerBox **); 722 723 /*E 724 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. 725 726 Level: advanced 727 .seealso: VecTaggerCDFSetMethod(), VecTaggerCDFMethods 728 E*/ 729 typedef enum {VECTAGGER_CDF_GATHER,VECTAGGER_CDF_ITERATIVE,VECTAGGER_CDF_NUM_METHODS} VecTaggerCDFMethod; 730 PETSC_EXTERN const char *const VecTaggerCDFMethods[]; 731 732 PETSC_EXTERN PetscErrorCode VecTaggerCDFSetMethod(VecTagger,VecTaggerCDFMethod); 733 PETSC_EXTERN PetscErrorCode VecTaggerCDFGetMethod(VecTagger,VecTaggerCDFMethod*); 734 PETSC_EXTERN PetscErrorCode VecTaggerCDFIterativeSetTolerances(VecTagger,PetscInt,PetscReal,PetscReal); 735 PETSC_EXTERN PetscErrorCode VecTaggerCDFIterativeGetTolerances(VecTagger,PetscInt*,PetscReal*,PetscReal*); 736 737 PETSC_EXTERN PetscErrorCode VecTaggerOrSetSubs(VecTagger,PetscInt,VecTagger*,PetscCopyMode); 738 PETSC_EXTERN PetscErrorCode VecTaggerOrGetSubs(VecTagger,PetscInt*,VecTagger**); 739 740 PETSC_EXTERN PetscErrorCode VecTaggerAndSetSubs(VecTagger,PetscInt,VecTagger*,PetscCopyMode); 741 PETSC_EXTERN PetscErrorCode VecTaggerAndGetSubs(VecTagger,PetscInt*,VecTagger**); 742 743 PETSC_EXTERN PetscErrorCode VecTaggerInitializePackage(void); 744 PETSC_EXTERN PetscErrorCode VecTaggerFinalizePackage(void); 745 746 #endif 747