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 .seealso: VecCreate(), VecType, VecSetType() 18 S*/ 19 typedef struct _p_Vec* Vec; 20 21 /*S 22 VecScatter - Object used to manage communication of data 23 between vectors in parallel. Manages both scatters and gathers 24 25 Level: beginner 26 27 .seealso: VecScatterCreate(), VecScatterBegin(), VecScatterEnd() 28 S*/ 29 typedef struct _p_VecScatter* VecScatter; 30 31 /*E 32 ScatterMode - Determines the direction of a scatter 33 34 Level: beginner 35 36 .seealso: VecScatter, VecScatterBegin(), VecScatterEnd() 37 E*/ 38 typedef enum {SCATTER_FORWARD=0, SCATTER_REVERSE=1, SCATTER_FORWARD_LOCAL=2, SCATTER_REVERSE_LOCAL=3, SCATTER_LOCAL=2} ScatterMode; 39 40 /*MC 41 SCATTER_FORWARD - Scatters the values as dictated by the VecScatterCreate() call 42 43 Level: beginner 44 45 .seealso: VecScatter, ScatterMode, VecScatterCreate(), VecScatterBegin(), VecScatterEnd(), SCATTER_REVERSE, SCATTER_FORWARD_LOCAL, 46 SCATTER_REVERSE_LOCAL 47 48 M*/ 49 50 /*MC 51 SCATTER_REVERSE - Moves the values in the opposite direction then the directions indicated in 52 in the VecScatterCreate() 53 54 Level: beginner 55 56 .seealso: VecScatter, ScatterMode, VecScatterCreate(), VecScatterBegin(), VecScatterEnd(), SCATTER_FORWARD, SCATTER_FORWARD_LOCAL, 57 SCATTER_REVERSE_LOCAL 58 59 M*/ 60 61 /*MC 62 SCATTER_FORWARD_LOCAL - Scatters the values as dictated by the VecScatterCreate() call except NO parallel communication 63 is done. Any variables that have be moved between processes are ignored 64 65 Level: developer 66 67 .seealso: VecScatter, ScatterMode, VecScatterCreate(), VecScatterBegin(), VecScatterEnd(), SCATTER_REVERSE, SCATTER_FORWARD, 68 SCATTER_REVERSE_LOCAL 69 70 M*/ 71 72 /*MC 73 SCATTER_REVERSE_LOCAL - Moves the values in the opposite direction then the directions indicated in 74 in the VecScatterCreate() except NO parallel communication 75 is done. Any variables that have be moved between processes are ignored 76 77 Level: developer 78 79 .seealso: VecScatter, ScatterMode, VecScatterCreate(), VecScatterBegin(), VecScatterEnd(), SCATTER_FORWARD, SCATTER_FORWARD_LOCAL, 80 SCATTER_REVERSE 81 82 M*/ 83 84 /*J 85 VecType - String with the name of a PETSc vector 86 87 Level: beginner 88 89 .seealso: VecSetType(), Vec, VecCreate(), VecDestroy() 90 J*/ 91 typedef const char* VecType; 92 #define VECSEQ "seq" 93 #define VECMPI "mpi" 94 #define VECSTANDARD "standard" /* seq on one process and mpi on several */ 95 #define VECSHARED "shared" 96 #define VECSEQVIENNACL "seqviennacl" 97 #define VECMPIVIENNACL "mpiviennacl" 98 #define VECVIENNACL "viennacl" /* seqviennacl on one process and mpiviennacl on several */ 99 #define VECSEQCUDA "seqcuda" 100 #define VECMPICUDA "mpicuda" 101 #define VECCUDA "cuda" /* seqcuda on one process and mpicuda on several */ 102 #define VECNEST "nest" 103 #define VECNODE "node" /* use on-node shared memory */ 104 #define VECSEQKOKKOS "seqkokkos" 105 #define VECMPIKOKKOS "mpikokkos" 106 #define VECKOKKOS "kokkos" /* seqkokkos on one process and mpikokkos on several */ 107 108 /*J 109 VecScatterType - String with the name of a PETSc vector scatter type 110 111 Level: beginner 112 113 .seealso: VecScatterSetType(), VecScatter, VecScatterCreate(), VecScatterDestroy() 114 J*/ 115 typedef const char* VecScatterType; 116 #define VECSCATTERSEQ "seq" 117 #define VECSCATTERMPI1 "mpi1" 118 #define VECSCATTERMPI3 "mpi3" /* use MPI3 on-node shared memory */ 119 #define VECSCATTERMPI3NODE "mpi3node" /* use MPI3 on-node shared memory for vector type VECNODE */ 120 #define VECSCATTERSF "sf" /* use StarForest */ 121 122 /* Dynamic creation and loading functions */ 123 PETSC_EXTERN PetscFunctionList VecScatterList; 124 PETSC_EXTERN PetscErrorCode VecScatterSetType(VecScatter, VecScatterType); 125 PETSC_EXTERN PetscErrorCode VecScatterGetType(VecScatter, VecScatterType *); 126 PETSC_EXTERN PetscErrorCode VecScatterSetFromOptions(VecScatter); 127 PETSC_EXTERN PetscErrorCode VecScatterRegister(const char[],PetscErrorCode (*)(VecScatter)); 128 PETSC_EXTERN PetscErrorCode VecScatterCreate(Vec,IS,Vec,IS,VecScatter*); 129 PETSC_EXTERN PetscErrorCode VecScatterInitializePackage(void); 130 PETSC_EXTERN PetscErrorCode VecScatterFinalizePackage(void); 131 132 /* Logging support */ 133 #define REAL_FILE_CLASSID 1211213 134 #define VEC_FILE_CLASSID 1211214 135 PETSC_EXTERN PetscClassId VEC_CLASSID; 136 PETSC_EXTERN PetscClassId VEC_SCATTER_CLASSID; 137 138 139 PETSC_EXTERN PetscErrorCode VecInitializePackage(void); 140 PETSC_EXTERN PetscErrorCode VecFinalizePackage(void); 141 142 PETSC_EXTERN PetscErrorCode VecCreate(MPI_Comm,Vec*); 143 PETSC_EXTERN PetscErrorCode VecCreateSeq(MPI_Comm,PetscInt,Vec*); 144 PETSC_EXTERN PetscErrorCode VecCreateMPI(MPI_Comm,PetscInt,PetscInt,Vec*); 145 PETSC_EXTERN PetscErrorCode VecCreateSeqWithArray(MPI_Comm,PetscInt,PetscInt,const PetscScalar[],Vec*); 146 PETSC_EXTERN PetscErrorCode VecCreateMPIWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscScalar[],Vec*); 147 PETSC_EXTERN PetscErrorCode VecCreateShared(MPI_Comm,PetscInt,PetscInt,Vec*); 148 PETSC_EXTERN PetscErrorCode VecCreateNode(MPI_Comm,PetscInt,PetscInt,Vec*); 149 150 PETSC_EXTERN PetscErrorCode VecSetFromOptions(Vec); 151 PETSC_EXTERN PetscErrorCode VecViewFromOptions(Vec,PetscObject,const char[]); 152 153 PETSC_EXTERN PetscErrorCode VecSetUp(Vec); 154 PETSC_EXTERN PetscErrorCode VecDestroy(Vec*); 155 PETSC_EXTERN PetscErrorCode VecZeroEntries(Vec); 156 PETSC_EXTERN PetscErrorCode VecSetOptionsPrefix(Vec,const char[]); 157 PETSC_EXTERN PetscErrorCode VecAppendOptionsPrefix(Vec,const char[]); 158 PETSC_EXTERN PetscErrorCode VecGetOptionsPrefix(Vec,const char*[]); 159 160 PETSC_EXTERN PetscErrorCode VecSetSizes(Vec,PetscInt,PetscInt); 161 162 PETSC_EXTERN PetscErrorCode VecDotNorm2(Vec,Vec,PetscScalar*,PetscReal*); 163 PETSC_EXTERN PetscErrorCode VecDot(Vec,Vec,PetscScalar*); 164 PETSC_EXTERN PetscErrorCode VecDotRealPart(Vec,Vec,PetscReal*); 165 PETSC_EXTERN PetscErrorCode VecTDot(Vec,Vec,PetscScalar*); 166 PETSC_EXTERN PetscErrorCode VecMDot(Vec,PetscInt,const Vec[],PetscScalar[]); 167 PETSC_EXTERN PetscErrorCode VecMTDot(Vec,PetscInt,const Vec[],PetscScalar[]); 168 PETSC_EXTERN PetscErrorCode VecGetSubVector(Vec,IS,Vec*); 169 PETSC_EXTERN PetscErrorCode VecRestoreSubVector(Vec,IS,Vec*); 170 171 /*E 172 NormType - determines what type of norm to compute 173 174 Level: beginner 175 176 .seealso: VecNorm(), VecNormBegin(), VecNormEnd(), MatNorm() 177 E*/ 178 typedef enum {NORM_1=0,NORM_2=1,NORM_FROBENIUS=2,NORM_INFINITY=3,NORM_1_AND_2=4} NormType; 179 PETSC_EXTERN const char *const NormTypes[]; 180 #define NORM_MAX NORM_INFINITY 181 182 /*MC 183 NORM_1 - the one norm, ||v|| = sum_i | v_i |. ||A|| = max_j || v_*j ||, maximum column sum 184 185 Level: beginner 186 187 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_2, NORM_FROBENIUS, 188 NORM_INFINITY, NORM_1_AND_2 189 190 M*/ 191 192 /*MC 193 NORM_2 - the two norm, ||v|| = sqrt(sum_i |v_i|^2) (vectors only) 194 195 Level: beginner 196 197 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_FROBENIUS, 198 NORM_INFINITY, NORM_1_AND_2 199 200 M*/ 201 202 /*MC 203 NORM_FROBENIUS - ||A|| = sqrt(sum_ij |A_ij|^2), same as NORM_2 for vectors 204 205 Level: beginner 206 207 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 208 NORM_INFINITY, NORM_1_AND_2 209 210 M*/ 211 212 /*MC 213 NORM_INFINITY - ||v|| = max_i |v_i|. ||A|| = max_i || v_i* ||, maximum row sum 214 215 Level: beginner 216 217 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 218 NORM_FROBINIUS, NORM_1_AND_2 219 220 M*/ 221 222 /*MC 223 NORM_1_AND_2 - computes both the 1 and 2 norm of a vector 224 225 Level: beginner 226 227 .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2, 228 NORM_FROBINIUS, NORM_INFINITY 229 230 M*/ 231 232 /*MC 233 NORM_MAX - see NORM_INFINITY 234 235 Level: beginner 236 237 M*/ 238 239 PETSC_EXTERN PetscErrorCode VecNorm(Vec,NormType,PetscReal *); 240 PETSC_EXTERN PetscErrorCode VecNormAvailable(Vec,NormType,PetscBool *,PetscReal *); 241 PETSC_EXTERN PetscErrorCode VecNormalize(Vec,PetscReal *); 242 PETSC_EXTERN PetscErrorCode VecSum(Vec,PetscScalar*); 243 PETSC_EXTERN PetscErrorCode VecMax(Vec,PetscInt*,PetscReal *); 244 PETSC_EXTERN PetscErrorCode VecMin(Vec,PetscInt*,PetscReal *); 245 PETSC_EXTERN PetscErrorCode VecScale(Vec,PetscScalar); 246 PETSC_EXTERN PetscErrorCode VecCopy(Vec,Vec); 247 PETSC_EXTERN PetscErrorCode VecSetRandom(Vec,PetscRandom); 248 PETSC_EXTERN PetscErrorCode VecSet(Vec,PetscScalar); 249 PETSC_EXTERN PetscErrorCode VecSetInf(Vec); 250 PETSC_EXTERN PetscErrorCode VecSwap(Vec,Vec); 251 PETSC_EXTERN PetscErrorCode VecAXPY(Vec,PetscScalar,Vec); 252 PETSC_EXTERN PetscErrorCode VecAXPBY(Vec,PetscScalar,PetscScalar,Vec); 253 PETSC_EXTERN PetscErrorCode VecMAXPY(Vec,PetscInt,const PetscScalar[],Vec[]); 254 PETSC_EXTERN PetscErrorCode VecAYPX(Vec,PetscScalar,Vec); 255 PETSC_EXTERN PetscErrorCode VecWAXPY(Vec,PetscScalar,Vec,Vec); 256 PETSC_EXTERN PetscErrorCode VecAXPBYPCZ(Vec,PetscScalar,PetscScalar,PetscScalar,Vec,Vec); 257 PETSC_EXTERN PetscErrorCode VecPointwiseMax(Vec,Vec,Vec); 258 PETSC_EXTERN PetscErrorCode VecPointwiseMaxAbs(Vec,Vec,Vec); 259 PETSC_EXTERN PetscErrorCode VecPointwiseMin(Vec,Vec,Vec); 260 PETSC_EXTERN PetscErrorCode VecPointwiseMult(Vec,Vec,Vec); 261 PETSC_EXTERN PetscErrorCode VecPointwiseDivide(Vec,Vec,Vec); 262 PETSC_EXTERN PetscErrorCode VecMaxPointwiseDivide(Vec,Vec,PetscReal*); 263 PETSC_EXTERN PetscErrorCode VecShift(Vec,PetscScalar); 264 PETSC_EXTERN PetscErrorCode VecReciprocal(Vec); 265 PETSC_EXTERN PetscErrorCode VecPermute(Vec, IS, PetscBool); 266 PETSC_EXTERN PetscErrorCode VecSqrtAbs(Vec); 267 PETSC_EXTERN PetscErrorCode VecLog(Vec); 268 PETSC_EXTERN PetscErrorCode VecExp(Vec); 269 PETSC_EXTERN PetscErrorCode VecAbs(Vec); 270 PETSC_EXTERN PetscErrorCode VecDuplicate(Vec,Vec*); 271 PETSC_EXTERN PetscErrorCode VecDuplicateVecs(Vec,PetscInt,Vec*[]); 272 PETSC_EXTERN PetscErrorCode VecDestroyVecs(PetscInt, Vec*[]); 273 PETSC_EXTERN PetscErrorCode VecStrideNormAll(Vec,NormType,PetscReal[]); 274 PETSC_EXTERN PetscErrorCode VecStrideMaxAll(Vec,PetscInt [],PetscReal []); 275 PETSC_EXTERN PetscErrorCode VecStrideMinAll(Vec,PetscInt [],PetscReal []); 276 PETSC_EXTERN PetscErrorCode VecStrideScaleAll(Vec,const PetscScalar[]); 277 PETSC_EXTERN PetscErrorCode VecUniqueEntries(Vec,PetscInt*,PetscScalar**); 278 279 PETSC_EXTERN PetscErrorCode VecStrideNorm(Vec,PetscInt,NormType,PetscReal*); 280 PETSC_EXTERN PetscErrorCode VecStrideMax(Vec,PetscInt,PetscInt *,PetscReal *); 281 PETSC_EXTERN PetscErrorCode VecStrideMin(Vec,PetscInt,PetscInt *,PetscReal *); 282 PETSC_EXTERN PetscErrorCode VecStrideScale(Vec,PetscInt,PetscScalar); 283 PETSC_EXTERN PetscErrorCode VecStrideSet(Vec,PetscInt,PetscScalar); 284 285 286 PETSC_EXTERN PetscErrorCode VecStrideGather(Vec,PetscInt,Vec,InsertMode); 287 PETSC_EXTERN PetscErrorCode VecStrideScatter(Vec,PetscInt,Vec,InsertMode); 288 PETSC_EXTERN PetscErrorCode VecStrideGatherAll(Vec,Vec[],InsertMode); 289 PETSC_EXTERN PetscErrorCode VecStrideScatterAll(Vec[],Vec,InsertMode); 290 291 PETSC_EXTERN PetscErrorCode VecStrideSubSetScatter(Vec,PetscInt,const PetscInt[],const PetscInt[],Vec,InsertMode); 292 PETSC_EXTERN PetscErrorCode VecStrideSubSetGather(Vec,PetscInt,const PetscInt[],const PetscInt[],Vec,InsertMode); 293 294 PETSC_EXTERN PetscErrorCode VecSetValues(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 295 PETSC_EXTERN PetscErrorCode VecGetValues(Vec,PetscInt,const PetscInt[],PetscScalar[]); 296 PETSC_EXTERN PetscErrorCode VecAssemblyBegin(Vec); 297 PETSC_EXTERN PetscErrorCode VecAssemblyEnd(Vec); 298 PETSC_EXTERN PetscErrorCode VecStashSetInitialSize(Vec,PetscInt,PetscInt); 299 PETSC_EXTERN PetscErrorCode VecStashView(Vec,PetscViewer); 300 PETSC_EXTERN PetscErrorCode VecStashViewFromOptions(Vec,PetscObject,const char[]); 301 PETSC_EXTERN PetscErrorCode VecStashGetInfo(Vec,PetscInt*,PetscInt*,PetscInt*,PetscInt*); 302 303 /*MC 304 VecSetValue - Set a single entry into a vector. 305 306 Synopsis: 307 #include <petscvec.h> 308 PetscErrorCode VecSetValue(Vec v,PetscInt row,PetscScalar value, InsertMode mode); 309 310 Not Collective 311 312 Input Parameters: 313 + v - the vector 314 . row - the row location of the entry 315 . value - the value to insert 316 - mode - either INSERT_VALUES or ADD_VALUES 317 318 Notes: 319 For efficiency one should use VecSetValues() and set several or 320 many values simultaneously if possible. 321 322 These values may be cached, so VecAssemblyBegin() and VecAssemblyEnd() 323 MUST be called after all calls to VecSetValue() have been completed. 324 325 VecSetValue() uses 0-based indices in Fortran as well as in C. 326 327 Level: beginner 328 329 .seealso: VecSetValues(), VecAssemblyBegin(), VecAssemblyEnd(), VecSetValuesBlockedLocal(), VecSetValueLocal() 330 M*/ 331 PETSC_STATIC_INLINE PetscErrorCode VecSetValue(Vec v,PetscInt i,PetscScalar va,InsertMode mode) {return VecSetValues(v,1,&i,&va,mode);} 332 333 334 PETSC_EXTERN PetscErrorCode VecSetBlockSize(Vec,PetscInt); 335 PETSC_EXTERN PetscErrorCode VecGetBlockSize(Vec,PetscInt*); 336 PETSC_EXTERN PetscErrorCode VecSetValuesBlocked(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 337 338 /* Dynamic creation and loading functions */ 339 PETSC_EXTERN PetscFunctionList VecList; 340 PETSC_EXTERN PetscErrorCode VecSetType(Vec,VecType); 341 PETSC_EXTERN PetscErrorCode VecGetType(Vec,VecType*); 342 PETSC_EXTERN PetscErrorCode VecRegister(const char[],PetscErrorCode (*)(Vec)); 343 344 PETSC_EXTERN PetscErrorCode VecScatterBegin(VecScatter,Vec,Vec,InsertMode,ScatterMode); 345 PETSC_EXTERN PetscErrorCode VecScatterEnd(VecScatter,Vec,Vec,InsertMode,ScatterMode); 346 PETSC_EXTERN PetscErrorCode VecScatterDestroy(VecScatter*); 347 PETSC_EXTERN PetscErrorCode VecScatterSetUp(VecScatter); 348 PETSC_EXTERN PetscErrorCode VecScatterCopy(VecScatter,VecScatter *); 349 PETSC_EXTERN PetscErrorCode VecScatterView(VecScatter,PetscViewer); 350 PETSC_EXTERN PetscErrorCode VecScatterViewFromOptions(VecScatter,PetscObject,const char[]); 351 PETSC_EXTERN PetscErrorCode VecScatterRemap(VecScatter,PetscInt[],PetscInt[]); 352 PETSC_EXTERN PetscErrorCode VecScatterGetMerged(VecScatter,PetscBool*); 353 354 PETSC_EXTERN PetscErrorCode VecGetArray4d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 355 PETSC_EXTERN PetscErrorCode VecRestoreArray4d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 356 PETSC_EXTERN PetscErrorCode VecGetArray3d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 357 PETSC_EXTERN PetscErrorCode VecRestoreArray3d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 358 PETSC_EXTERN PetscErrorCode VecGetArray2d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 359 PETSC_EXTERN PetscErrorCode VecRestoreArray2d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 360 PETSC_EXTERN PetscErrorCode VecGetArray1d(Vec,PetscInt,PetscInt,PetscScalar*[]); 361 PETSC_EXTERN PetscErrorCode VecRestoreArray1d(Vec,PetscInt,PetscInt,PetscScalar*[]); 362 363 PETSC_EXTERN PetscErrorCode VecGetArray4dWrite(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 364 PETSC_EXTERN PetscErrorCode VecGetArray4dWrite(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 365 PETSC_EXTERN PetscErrorCode VecRestoreArray4dWrite(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 366 PETSC_EXTERN PetscErrorCode VecGetArray3dWrite(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 367 PETSC_EXTERN PetscErrorCode VecRestoreArray3dWrite(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 368 PETSC_EXTERN PetscErrorCode VecGetArray2dWrite(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 369 PETSC_EXTERN PetscErrorCode VecRestoreArray2dWrite(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 370 PETSC_EXTERN PetscErrorCode VecGetArray1dWrite(Vec,PetscInt,PetscInt,PetscScalar*[]); 371 PETSC_EXTERN PetscErrorCode VecRestoreArray1dWrite(Vec,PetscInt,PetscInt,PetscScalar*[]); 372 373 PETSC_EXTERN PetscErrorCode VecGetArray4dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 374 PETSC_EXTERN PetscErrorCode VecRestoreArray4dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]); 375 PETSC_EXTERN PetscErrorCode VecGetArray3dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 376 PETSC_EXTERN PetscErrorCode VecRestoreArray3dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]); 377 PETSC_EXTERN PetscErrorCode VecGetArray2dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 378 PETSC_EXTERN PetscErrorCode VecRestoreArray2dRead(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]); 379 PETSC_EXTERN PetscErrorCode VecGetArray1dRead(Vec,PetscInt,PetscInt,PetscScalar*[]); 380 PETSC_EXTERN PetscErrorCode VecRestoreArray1dRead(Vec,PetscInt,PetscInt,PetscScalar*[]); 381 382 PETSC_EXTERN PetscErrorCode VecPlaceArray(Vec,const PetscScalar[]); 383 PETSC_EXTERN PetscErrorCode VecResetArray(Vec); 384 PETSC_EXTERN PetscErrorCode VecReplaceArray(Vec,const PetscScalar[]); 385 386 PETSC_EXTERN PetscErrorCode VecGetArrays(const Vec[],PetscInt,PetscScalar**[]); 387 PETSC_EXTERN PetscErrorCode VecRestoreArrays(const Vec[],PetscInt,PetscScalar**[]); 388 389 PETSC_EXTERN PetscErrorCode VecView(Vec,PetscViewer); 390 PETSC_EXTERN PetscErrorCode VecEqual(Vec,Vec,PetscBool*); 391 PETSC_EXTERN PetscErrorCode VecLoad(Vec,PetscViewer); 392 393 PETSC_EXTERN PetscErrorCode VecGetSize(Vec,PetscInt*); 394 PETSC_EXTERN PetscErrorCode VecGetLocalSize(Vec,PetscInt*); 395 PETSC_EXTERN PetscErrorCode VecGetOwnershipRange(Vec,PetscInt*,PetscInt*); 396 PETSC_EXTERN PetscErrorCode VecGetOwnershipRanges(Vec,const PetscInt*[]); 397 398 PETSC_EXTERN PetscErrorCode VecSetLocalToGlobalMapping(Vec,ISLocalToGlobalMapping); 399 PETSC_EXTERN PetscErrorCode VecSetValuesLocal(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 400 401 PETSC_EXTERN PetscErrorCode VecCUDAGetArray(Vec,PetscScalar**); 402 PETSC_EXTERN PetscErrorCode VecCUDARestoreArray(Vec,PetscScalar**); 403 404 PETSC_EXTERN PetscErrorCode VecCUDAGetArrayRead(Vec,const PetscScalar**); 405 PETSC_EXTERN PetscErrorCode VecCUDARestoreArrayRead(Vec,const PetscScalar**); 406 407 PETSC_EXTERN PetscErrorCode VecCUDAGetArrayWrite(Vec,PetscScalar**); 408 PETSC_EXTERN PetscErrorCode VecCUDARestoreArrayWrite(Vec,PetscScalar**); 409 410 PETSC_EXTERN PetscErrorCode VecCUDAPlaceArray(Vec,const PetscScalar[]); 411 PETSC_EXTERN PetscErrorCode VecCUDAReplaceArray(Vec,const PetscScalar[]); 412 PETSC_EXTERN PetscErrorCode VecCUDAResetArray(Vec); 413 414 PETSC_EXTERN PetscErrorCode VecViennaCLGetCLContext(Vec, PETSC_UINTPTR_T*); 415 PETSC_EXTERN PetscErrorCode VecViennaCLGetCLQueue(Vec, PETSC_UINTPTR_T*); 416 PETSC_EXTERN PetscErrorCode VecViennaCLGetCLMemRead(Vec, PETSC_UINTPTR_T*); 417 PETSC_EXTERN PetscErrorCode VecViennaCLGetCLMemWrite(Vec, PETSC_UINTPTR_T*); 418 PETSC_EXTERN PetscErrorCode VecViennaCLRestoreCLMemWrite(Vec); 419 PETSC_EXTERN PetscErrorCode VecViennaCLGetCLMem(Vec, PETSC_UINTPTR_T*); 420 PETSC_EXTERN PetscErrorCode VecViennaCLRestoreCLMem(Vec); 421 422 /*MC 423 VecSetValueLocal - Set a single entry into a vector using the local numbering 424 425 Synopsis: 426 #include <petscvec.h> 427 PetscErrorCode VecSetValueLocal(Vec v,PetscInt row,PetscScalar value, InsertMode mode); 428 429 Not Collective 430 431 Input Parameters: 432 + v - the vector 433 . row - the row location of the entry 434 . value - the value to insert 435 - mode - either INSERT_VALUES or ADD_VALUES 436 437 Notes: 438 For efficiency one should use VecSetValues() and set several or 439 many values simultaneously if possible. 440 441 These values may be cached, so VecAssemblyBegin() and VecAssemblyEnd() 442 MUST be called after all calls to VecSetValues() have been completed. 443 444 VecSetValues() uses 0-based indices in Fortran as well as in C. 445 446 Level: beginner 447 448 .seealso: VecSetValues(), VecAssemblyBegin(), VecAssemblyEnd(), VecSetValuesBlockedLocal(), VecSetValue() 449 M*/ 450 PETSC_STATIC_INLINE PetscErrorCode VecSetValueLocal(Vec v,PetscInt i,PetscScalar va,InsertMode mode) {return VecSetValuesLocal(v,1,&i,&va,mode);} 451 452 PETSC_EXTERN PetscErrorCode VecSetValuesBlockedLocal(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode); 453 PETSC_EXTERN PetscErrorCode VecGetLocalToGlobalMapping(Vec,ISLocalToGlobalMapping*); 454 455 PETSC_EXTERN PetscErrorCode VecDotBegin(Vec,Vec,PetscScalar *); 456 PETSC_EXTERN PetscErrorCode VecDotEnd(Vec,Vec,PetscScalar *); 457 PETSC_EXTERN PetscErrorCode VecTDotBegin(Vec,Vec,PetscScalar *); 458 PETSC_EXTERN PetscErrorCode VecTDotEnd(Vec,Vec,PetscScalar *); 459 PETSC_EXTERN PetscErrorCode VecNormBegin(Vec,NormType,PetscReal *); 460 PETSC_EXTERN PetscErrorCode VecNormEnd(Vec,NormType,PetscReal *); 461 462 PETSC_EXTERN PetscErrorCode VecMDotBegin(Vec,PetscInt,const Vec[],PetscScalar[]); 463 PETSC_EXTERN PetscErrorCode VecMDotEnd(Vec,PetscInt,const Vec[],PetscScalar[]); 464 PETSC_EXTERN PetscErrorCode VecMTDotBegin(Vec,PetscInt,const Vec[],PetscScalar[]); 465 PETSC_EXTERN PetscErrorCode VecMTDotEnd(Vec,PetscInt,const Vec[],PetscScalar[]); 466 PETSC_EXTERN PetscErrorCode PetscCommSplitReductionBegin(MPI_Comm); 467 468 PETSC_EXTERN PetscErrorCode VecBindToCPU(Vec,PetscBool); 469 PETSC_DEPRECATED_FUNCTION("Use VecBindToCPU (since v3.13)") PETSC_STATIC_INLINE PetscErrorCode VecPinToCPU(Vec v,PetscBool flg) {return VecBindToCPU(v,flg);} 470 PETSC_EXTERN PetscErrorCode VecSetPinnedMemoryMin(Vec,size_t); 471 PETSC_EXTERN PetscErrorCode VecGetPinnedMemoryMin(Vec,size_t *); 472 473 474 /*E 475 PetscOffloadMask - indicates which memory (CPU, GPU, or none) contains valid data 476 477 PETSC_OFFLOAD_UNALLOCATED - no memory contains valid matrix entries; NEVER used for vectors 478 PETSC_OFFLOAD_GPU - GPU has valid vector/matrix entries 479 PETSC_OFFLOAD_CPU - CPU has valid vector/matrix entries 480 PETSC_OFFLOAD_BOTH - Both GPU and CPU have valid vector/matrix entries and they match 481 PETSC_OFFLOAD_VECKOKKOS - Reserved for Vec_Kokkos. The offload is managed by Kokkos, thus this flag is not used in Vec_Kokkos. 482 483 Level: developer 484 E*/ 485 typedef enum {PETSC_OFFLOAD_UNALLOCATED=0x0,PETSC_OFFLOAD_CPU=0x1,PETSC_OFFLOAD_GPU=0x2,PETSC_OFFLOAD_BOTH=0x3,PETSC_OFFLOAD_VECKOKKOS=0x100} PetscOffloadMask; 486 PETSC_EXTERN PetscErrorCode VecGetOffloadMask(Vec,PetscOffloadMask *); 487 488 typedef enum {VEC_IGNORE_OFF_PROC_ENTRIES,VEC_IGNORE_NEGATIVE_INDICES,VEC_SUBSET_OFF_PROC_ENTRIES} VecOption; 489 PETSC_EXTERN PetscErrorCode VecSetOption(Vec,VecOption,PetscBool); 490 491 PETSC_EXTERN PetscErrorCode VecGetArray(Vec,PetscScalar**); 492 PETSC_EXTERN PetscErrorCode VecGetArrayWrite(Vec,PetscScalar**); 493 PETSC_EXTERN PetscErrorCode VecGetArrayRead(Vec,const PetscScalar**); 494 PETSC_EXTERN PetscErrorCode VecRestoreArray(Vec,PetscScalar**); 495 PETSC_EXTERN PetscErrorCode VecRestoreArrayWrite(Vec,PetscScalar**); 496 PETSC_EXTERN PetscErrorCode VecRestoreArrayRead(Vec,const PetscScalar**); 497 PETSC_EXTERN PetscErrorCode VecGetLocalVector(Vec,Vec); 498 PETSC_EXTERN PetscErrorCode VecRestoreLocalVector(Vec,Vec); 499 PETSC_EXTERN PetscErrorCode VecGetLocalVectorRead(Vec,Vec); 500 PETSC_EXTERN PetscErrorCode VecRestoreLocalVectorRead(Vec,Vec); 501 502 PETSC_EXTERN PetscErrorCode VecGetArrayInPlace(Vec,PetscScalar**); 503 PETSC_EXTERN PetscErrorCode VecGetArrayInPlace_Internal(Vec,PetscScalar**,PetscMemType*); 504 PETSC_EXTERN PetscErrorCode VecRestoreArrayInPlace(Vec,PetscScalar**); 505 PETSC_EXTERN PetscErrorCode VecGetArrayReadInPlace(Vec,const PetscScalar**); 506 PETSC_EXTERN PetscErrorCode VecGetArrayReadInPlace_Internal(Vec,const PetscScalar**,PetscMemType*); 507 PETSC_EXTERN PetscErrorCode VecRestoreArrayReadInPlace(Vec,const PetscScalar**); 508 509 #if defined(PETSC_HAVE_KOKKOS_KERNELS) 510 PETSC_EXTERN PetscErrorCode VecKokkosGetArrayInPlace(Vec,PetscScalar**); 511 PETSC_EXTERN PetscErrorCode VecKokkosGetArrayInPlace_Internal(Vec,PetscScalar**,PetscMemType*); 512 PETSC_EXTERN PetscErrorCode VecKokkosRestoreArrayInPlace(Vec,PetscScalar**); 513 PETSC_EXTERN PetscErrorCode VecKokkosGetArrayReadInPlace(Vec,const PetscScalar**); 514 PETSC_EXTERN PetscErrorCode VecKokkosGetArrayReadInPlace_Internal(Vec,const PetscScalar**,PetscMemType*); 515 PETSC_STATIC_INLINE PetscErrorCode VecKokkosRestoreArrayReadInPlace(Vec v,const PetscScalar** a) {return 0;} 516 PETSC_EXTERN PetscErrorCode VecKokkosSyncHost(Vec); 517 PETSC_EXTERN PetscErrorCode VecKokkosModifyHost(Vec); 518 #endif 519 520 /*@C 521 VecGetArrayPair - Accesses a pair of pointers for two vectors that may be common. When not common the first is read only 522 523 Logically Collective on x 524 525 Input Parameters: 526 + x - the vector 527 - y - the second vector 528 529 Output Parameters: 530 + xv - location to put pointer to the first array 531 - yv - location to put pointer to the second array 532 533 Level: developer 534 535 Not available from Fortran 536 537 .seealso: VecGetArray(), VecGetArrayRead(), VecRestoreArrayPair() 538 539 @*/ 540 PETSC_STATIC_INLINE PetscErrorCode VecGetArrayPair(Vec x,Vec y,PetscScalar **xv,PetscScalar **yv) 541 { 542 PetscErrorCode ierr; 543 544 PetscFunctionBegin; 545 ierr = VecGetArray(y,yv);CHKERRQ(ierr); 546 if (x != y) { 547 ierr = VecGetArrayRead(x,(const PetscScalar **)xv);CHKERRQ(ierr); 548 } else { 549 *xv = *yv; 550 } 551 PetscFunctionReturn(0); 552 } 553 554 /*@C 555 VecRestoreArrayPair - Returns a pair of pointers for two vectors that may be common. When not common the first is read only 556 557 Logically Collective on x 558 559 Input Parameters: 560 + x - the vector 561 - y - the second vector 562 563 Output Parameters: 564 + xv - location to put pointer to the first array 565 - yv - location to put pointer to the second array 566 567 Level: developer 568 569 Not available from Fortran 570 571 .seealso: VecGetArray(), VecGetArrayRead(), VecGetArrayPair() 572 573 @*/ 574 PETSC_STATIC_INLINE PetscErrorCode VecRestoreArrayPair(Vec x,Vec y,PetscScalar **xv,PetscScalar **yv) 575 { 576 PetscErrorCode ierr; 577 578 PetscFunctionBegin; 579 ierr = VecRestoreArray(y,yv);CHKERRQ(ierr); 580 if (x != y) { 581 ierr = VecRestoreArrayRead(x,(const PetscScalar **)xv);CHKERRQ(ierr); 582 } 583 PetscFunctionReturn(0); 584 } 585 586 #if defined(PETSC_USE_DEBUG) 587 PETSC_EXTERN PetscErrorCode VecLockReadPush(Vec); 588 PETSC_EXTERN PetscErrorCode VecLockReadPop(Vec); 589 /* We also have a non-public VecLockWriteSet_Private() in vecimpl.h */ 590 PETSC_EXTERN PetscErrorCode VecLockGet(Vec,PetscInt*); 591 PETSC_STATIC_INLINE PetscErrorCode VecSetErrorIfLocked(Vec x,PetscInt arg) 592 { 593 PetscInt state; 594 PetscErrorCode ierr; 595 596 PetscFunctionBegin; 597 ierr = VecLockGet(x,&state);CHKERRQ(ierr); 598 if (state != 0) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE," Vec is already locked for read-only or read/write access, argument # %d",arg); 599 PetscFunctionReturn(0); 600 } 601 /* The three are deprecated */ 602 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use VecLockReadPush() (since version 3.11)") PetscErrorCode VecLockPush(Vec); 603 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use VecLockReadPop() (since version 3.11)") PetscErrorCode VecLockPop(Vec); 604 #define VecLocked(x,arg) VecSetErrorIfLocked(x,arg) PETSC_DEPRECATED_MACRO("GCC warning \"Use VecSetErrorIfLocked() (since version 3.11)\"") 605 #else 606 #define VecLockReadPush(x) 0 607 #define VecLockReadPop(x) 0 608 #define VecLockGet(x,s) *(s) = 0 609 #define VecSetErrorIfLocked(x,arg) 0 610 /* The three are deprecated */ 611 #define VecLockPush(x) 0 612 #define VecLockPop(x) 0 613 #define VecLocked(x,arg) 0 614 #endif 615 616 PETSC_EXTERN PetscErrorCode VecValidValues(Vec,PetscInt,PetscBool); 617 618 /* 619 These numbers need to match the entries in 620 the function table in vecimpl.h 621 */ 622 typedef enum { VECOP_DUPLICATE = 0, VECOP_VIEW = 33, VECOP_LOAD = 41, VECOP_VIEWNATIVE = 68, VECOP_LOADNATIVE = 69 } VecOperation; 623 PETSC_EXTERN PetscErrorCode VecSetOperation(Vec,VecOperation,void(*)(void)); 624 625 /* 626 Routines for dealing with ghosted vectors: 627 vectors with ghost elements at the end of the array. 628 */ 629 PETSC_EXTERN PetscErrorCode VecMPISetGhost(Vec,PetscInt,const PetscInt[]); 630 PETSC_EXTERN PetscErrorCode VecCreateGhost(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*); 631 PETSC_EXTERN PetscErrorCode VecCreateGhostWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*); 632 PETSC_EXTERN PetscErrorCode VecCreateGhostBlock(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*); 633 PETSC_EXTERN PetscErrorCode VecCreateGhostBlockWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*); 634 PETSC_EXTERN PetscErrorCode VecGhostGetLocalForm(Vec,Vec*); 635 PETSC_EXTERN PetscErrorCode VecGhostRestoreLocalForm(Vec,Vec*); 636 PETSC_EXTERN PetscErrorCode VecGhostIsLocalForm(Vec,Vec,PetscBool*); 637 PETSC_EXTERN PetscErrorCode VecGhostUpdateBegin(Vec,InsertMode,ScatterMode); 638 PETSC_EXTERN PetscErrorCode VecGhostUpdateEnd(Vec,InsertMode,ScatterMode); 639 640 PETSC_EXTERN PetscErrorCode VecConjugate(Vec); 641 PETSC_EXTERN PetscErrorCode VecImaginaryPart(Vec); 642 PETSC_EXTERN PetscErrorCode VecRealPart(Vec); 643 644 PETSC_EXTERN PetscErrorCode VecScatterCreateToAll(Vec,VecScatter*,Vec*); 645 PETSC_EXTERN PetscErrorCode VecScatterCreateToZero(Vec,VecScatter*,Vec*); 646 647 PETSC_EXTERN PetscErrorCode ISComplementVec(IS,Vec,IS*); 648 PETSC_EXTERN PetscErrorCode VecPow(Vec, PetscScalar); 649 PETSC_EXTERN PetscErrorCode VecMedian(Vec, Vec, Vec, Vec); 650 PETSC_EXTERN PetscErrorCode VecWhichInactive(Vec, Vec, Vec, Vec, PetscBool, IS *); 651 PETSC_EXTERN PetscErrorCode VecWhichBetween(Vec, Vec, Vec, IS *); 652 PETSC_EXTERN PetscErrorCode VecWhichBetweenOrEqual(Vec, Vec, Vec, IS *); 653 PETSC_EXTERN PetscErrorCode VecWhichGreaterThan(Vec, Vec, IS *); 654 PETSC_EXTERN PetscErrorCode VecWhichLessThan(Vec, Vec, IS *); 655 PETSC_EXTERN PetscErrorCode VecWhichEqual(Vec, Vec, IS *); 656 PETSC_EXTERN PetscErrorCode VecISAXPY(Vec, IS, PetscScalar,Vec); 657 PETSC_EXTERN PetscErrorCode VecISCopy(Vec, IS, ScatterMode, Vec); 658 PETSC_EXTERN PetscErrorCode VecISSet(Vec,IS, PetscScalar); 659 PETSC_EXTERN PetscErrorCode VecBoundGradientProjection(Vec, Vec, Vec, Vec, Vec); 660 PETSC_EXTERN PetscErrorCode VecStepBoundInfo(Vec,Vec,Vec,Vec,PetscReal*, PetscReal*,PetscReal*); 661 PETSC_EXTERN PetscErrorCode VecStepMax(Vec, Vec, PetscReal *); 662 PETSC_EXTERN PetscErrorCode VecStepMaxBounded(Vec,Vec,Vec,Vec,PetscReal*); 663 664 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaGetVector(PetscViewer, Vec); 665 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutVector(PetscViewer, Vec); 666 667 /*S 668 Vecs - Collection of vectors where the data for the vectors is stored in 669 one contiguous memory 670 671 Level: advanced 672 673 Notes: 674 Temporary construct for handling multiply right hand side solves 675 676 This is faked by storing a single vector that has enough array space for 677 n vectors 678 679 S*/ 680 struct _n_Vecs {PetscInt n; Vec v;}; 681 typedef struct _n_Vecs* Vecs; 682 PETSC_EXTERN PetscErrorCode VecsDestroy(Vecs); 683 PETSC_EXTERN PetscErrorCode VecsCreateSeq(MPI_Comm,PetscInt,PetscInt,Vecs*); 684 PETSC_EXTERN PetscErrorCode VecsCreateSeqWithArray(MPI_Comm,PetscInt,PetscInt,PetscScalar*,Vecs*); 685 PETSC_EXTERN PetscErrorCode VecsDuplicate(Vecs,Vecs*); 686 687 #if defined(PETSC_HAVE_VIENNACL) 688 typedef struct _p_PetscViennaCLIndices* PetscViennaCLIndices; 689 PETSC_EXTERN PetscErrorCode PetscViennaCLIndicesCreate(PetscInt, PetscInt*,PetscInt, PetscInt*,PetscViennaCLIndices*); 690 PETSC_EXTERN PetscErrorCode PetscViennaCLIndicesDestroy(PetscViennaCLIndices*); 691 PETSC_EXTERN PetscErrorCode VecViennaCLCopyToGPUSome_Public(Vec,PetscViennaCLIndices); 692 PETSC_EXTERN PetscErrorCode VecViennaCLCopyFromGPUSome_Public(Vec,PetscViennaCLIndices); 693 PETSC_EXTERN PetscErrorCode VecCreateSeqViennaCL(MPI_Comm,PetscInt,Vec*); 694 PETSC_EXTERN PetscErrorCode VecCreateMPIViennaCL(MPI_Comm,PetscInt,PetscInt,Vec*); 695 #endif 696 #if defined(PETSC_HAVE_CUDA) 697 typedef struct _p_PetscCUDAIndices* PetscCUDAIndices; 698 typedef struct _p_VecScatterCUDAIndices_StoS* VecScatterCUDAIndices_StoS; 699 typedef struct _p_VecScatterCUDAIndices_PtoP* VecScatterCUDAIndices_PtoP; 700 PETSC_EXTERN PetscErrorCode VecCUDACopyToGPUSome_Public(Vec,PetscCUDAIndices,ScatterMode); 701 PETSC_EXTERN PetscErrorCode VecCUDACopyFromGPUSome_Public(Vec,PetscCUDAIndices,ScatterMode); 702 PETSC_EXTERN PetscErrorCode VecScatterInitializeForGPU(VecScatter,Vec); 703 PETSC_EXTERN PetscErrorCode VecScatterFinalizeForGPU(VecScatter); 704 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDA(MPI_Comm,PetscInt,Vec*); 705 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDAWithArray(MPI_Comm,PetscInt,PetscInt,const PetscScalar*,Vec*); 706 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDAWithArrays(MPI_Comm,PetscInt,PetscInt,const PetscScalar*,const PetscScalar*,Vec*); 707 PETSC_EXTERN PetscErrorCode VecCreateMPICUDA(MPI_Comm,PetscInt,PetscInt,Vec*); 708 PETSC_EXTERN PetscErrorCode VecCreateMPICUDAWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscScalar*,Vec*); 709 PETSC_EXTERN PetscErrorCode VecCreateMPICUDAWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscScalar*,const PetscScalar*,Vec*); 710 #endif 711 712 PETSC_EXTERN PetscErrorCode VecNestGetSubVecs(Vec,PetscInt*,Vec**); 713 PETSC_EXTERN PetscErrorCode VecNestGetSubVec(Vec,PetscInt,Vec*); 714 PETSC_EXTERN PetscErrorCode VecNestSetSubVecs(Vec,PetscInt,PetscInt*,Vec*); 715 PETSC_EXTERN PetscErrorCode VecNestSetSubVec(Vec,PetscInt,Vec); 716 PETSC_EXTERN PetscErrorCode VecCreateNest(MPI_Comm,PetscInt,IS*,Vec*,Vec*); 717 PETSC_EXTERN PetscErrorCode VecNestGetSize(Vec,PetscInt*); 718 719 PETSC_EXTERN PetscErrorCode PetscOptionsGetVec(PetscOptions,const char[],const char[],Vec,PetscBool*); 720 PETSC_EXTERN PetscErrorCode VecChop(Vec,PetscReal); 721 722 PETSC_EXTERN PetscErrorCode VecGetLayout(Vec,PetscLayout*); 723 PETSC_EXTERN PetscErrorCode VecSetLayout(Vec,PetscLayout); 724 725 PETSC_EXTERN PetscErrorCode PetscSectionVecView(PetscSection, Vec, PetscViewer); 726 PETSC_EXTERN PetscErrorCode VecGetValuesSection(Vec, PetscSection, PetscInt, PetscScalar **); 727 PETSC_EXTERN PetscErrorCode VecSetValuesSection(Vec, PetscSection, PetscInt, PetscScalar [], InsertMode); 728 PETSC_EXTERN PetscErrorCode PetscSectionVecNorm(PetscSection, PetscSection, Vec, NormType, PetscReal []); 729 730 /*S 731 VecTagger - Object used to manage the tagging of a subset of indices based on the values of a vector. The 732 motivating application is the selection of cells for refinement or coarsening based on vector containing 733 the values in an error indicator metric. 734 735 Level: advanced 736 S*/ 737 typedef struct _p_VecTagger *VecTagger; 738 739 /*J 740 VecTaggerType - String with the name of a VecTagger type 741 742 Level: advanced 743 J*/ 744 typedef const char* VecTaggerType; 745 /* tag where the vector values are in a box of explicitly defined values */ 746 #define VECTAGGERABSOLUTE "absolute" 747 /* tag where the vector values are in a box of values relative to the set of all values in the vector */ 748 #define VECTAGGERRELATIVE "relative" 749 /* tag where the vector values are in a relative range of the *cumulative distribution* of values in the vector */ 750 #define VECTAGGERCDF "cdf" 751 /* tag a vector as the union of other tags */ 752 #define VECTAGGEROR "or" 753 /* tag a vector as the intersection of other tags */ 754 #define VECTAGGERAND "and" 755 756 PETSC_EXTERN PetscClassId VEC_TAGGER_CLASSID; 757 PETSC_EXTERN PetscFunctionList VecTaggerList; 758 PETSC_EXTERN PetscErrorCode VecTaggerRegister(const char[],PetscErrorCode (*) (VecTagger)); 759 760 PETSC_EXTERN PetscErrorCode VecTaggerCreate(MPI_Comm,VecTagger *); 761 PETSC_EXTERN PetscErrorCode VecTaggerSetBlockSize(VecTagger,PetscInt); 762 PETSC_EXTERN PetscErrorCode VecTaggerGetBlockSize(VecTagger,PetscInt*); 763 PETSC_EXTERN PetscErrorCode VecTaggerSetType(VecTagger,VecTaggerType); 764 PETSC_EXTERN PetscErrorCode VecTaggerGetType(VecTagger,VecTaggerType *); 765 PETSC_EXTERN PetscErrorCode VecTaggerSetInvert(VecTagger,PetscBool); 766 PETSC_EXTERN PetscErrorCode VecTaggerGetInvert(VecTagger,PetscBool*); 767 PETSC_EXTERN PetscErrorCode VecTaggerSetFromOptions(VecTagger); 768 PETSC_EXTERN PetscErrorCode VecTaggerSetUp(VecTagger); 769 PETSC_EXTERN PetscErrorCode VecTaggerView(VecTagger,PetscViewer); 770 PETSC_EXTERN PetscErrorCode VecTaggerComputeIS(VecTagger,Vec,IS *); 771 PETSC_EXTERN PetscErrorCode VecTaggerDestroy(VecTagger *); 772 773 /*S 774 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 775 such that real(min) <= real(z) <= real(max) and imag(min) <= imag(z) <= imag(max). INF is an acceptable endpoint. 776 777 Level: beginner 778 779 .seealso: VecTaggerComputeIntervals() 780 S*/ 781 typedef struct { 782 PetscScalar min; 783 PetscScalar max; 784 } VecTaggerBox; 785 PETSC_EXTERN PetscErrorCode VecTaggerComputeBoxes(VecTagger,Vec,PetscInt *,VecTaggerBox **); 786 787 788 PETSC_EXTERN PetscErrorCode VecTaggerAbsoluteSetBox(VecTagger,VecTaggerBox *); 789 PETSC_EXTERN PetscErrorCode VecTaggerAbsoluteGetBox(VecTagger,const VecTaggerBox **); 790 791 PETSC_EXTERN PetscErrorCode VecTaggerRelativeSetBox(VecTagger,VecTaggerBox *); 792 PETSC_EXTERN PetscErrorCode VecTaggerRelativeGetBox(VecTagger,const VecTaggerBox **); 793 794 PETSC_EXTERN PetscErrorCode VecTaggerCDFSetBox(VecTagger,VecTaggerBox *); 795 PETSC_EXTERN PetscErrorCode VecTaggerCDFGetBox(VecTagger,const VecTaggerBox **); 796 797 /*E 798 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. 799 800 Level: advanced 801 .seealso: VecTaggerCDFSetMethod(), VecTaggerCDFMethods 802 E*/ 803 typedef enum {VECTAGGER_CDF_GATHER,VECTAGGER_CDF_ITERATIVE,VECTAGGER_CDF_NUM_METHODS} VecTaggerCDFMethod; 804 PETSC_EXTERN const char *const VecTaggerCDFMethods[]; 805 806 PETSC_EXTERN PetscErrorCode VecTaggerCDFSetMethod(VecTagger,VecTaggerCDFMethod); 807 PETSC_EXTERN PetscErrorCode VecTaggerCDFGetMethod(VecTagger,VecTaggerCDFMethod*); 808 PETSC_EXTERN PetscErrorCode VecTaggerCDFIterativeSetTolerances(VecTagger,PetscInt,PetscReal,PetscReal); 809 PETSC_EXTERN PetscErrorCode VecTaggerCDFIterativeGetTolerances(VecTagger,PetscInt*,PetscReal*,PetscReal*); 810 811 PETSC_EXTERN PetscErrorCode VecTaggerOrSetSubs(VecTagger,PetscInt,VecTagger*,PetscCopyMode); 812 PETSC_EXTERN PetscErrorCode VecTaggerOrGetSubs(VecTagger,PetscInt*,VecTagger**); 813 814 PETSC_EXTERN PetscErrorCode VecTaggerAndSetSubs(VecTagger,PetscInt,VecTagger*,PetscCopyMode); 815 PETSC_EXTERN PetscErrorCode VecTaggerAndGetSubs(VecTagger,PetscInt*,VecTagger**); 816 817 PETSC_EXTERN PetscErrorCode VecTaggerInitializePackage(void); 818 PETSC_EXTERN PetscErrorCode VecTaggerFinalizePackage(void); 819 820 #endif 821