xref: /petsc/include/petscvec.h (revision a685ae26bbf9fb229cf02e15e73d16b8a9cd69e6) !
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 VecLockReadPush(Vec);
520 PETSC_EXTERN PetscErrorCode VecLockReadPop(Vec);
521 /* We also have a non-public VecLockWriteSet_Private() in vecimpl.h */
522 PETSC_EXTERN PetscErrorCode VecLockGet(Vec,PetscInt*);
523 PETSC_STATIC_INLINE PetscErrorCode VecSetErrorIfLocked(Vec x,PetscInt arg)
524 {
525   PetscInt       state;
526   PetscErrorCode ierr;
527 
528   PetscFunctionBegin;
529   ierr = VecLockGet(x,&state);CHKERRQ(ierr);
530   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);
531   PetscFunctionReturn(0);
532 }
533 /* The three are deprecated */
534 PETSC_DEPRECATED("Use VecLockReadPush (since v3.11)") PetscErrorCode VecLockPush(Vec);
535 PETSC_DEPRECATED("Use VecLockReadPop (since v3.11)")  PetscErrorCode VecLockPop(Vec);
536 #define VecLocked(x,arg) VecSetErrorIfLocked(x,arg)
537 #else
538 #define VecLockReadPush(x)           0
539 #define VecLockReadPop(x)            0
540 #define VecLockGet(x,s)              *(s) = 0
541 #define VecSetErrorIfLocked(x,arg)   0
542 /* The three are deprecated */
543 #define VecLockPush(x)               0
544 #define VecLockPop(x)                0
545 #define VecLocked(x,arg)             0
546 #endif
547 
548 PETSC_EXTERN PetscErrorCode VecValidValues(Vec,PetscInt,PetscBool);
549 
550 /*
551     These numbers need to match the entries in
552   the function table in vecimpl.h
553 */
554 typedef enum { VECOP_DUPLICATE = 0, VECOP_VIEW = 33, VECOP_LOAD = 41, VECOP_VIEWNATIVE = 68, VECOP_LOADNATIVE = 69 } VecOperation;
555 PETSC_EXTERN PetscErrorCode VecSetOperation(Vec,VecOperation,void(*)(void));
556 
557 /*
558      Routines for dealing with ghosted vectors:
559   vectors with ghost elements at the end of the array.
560 */
561 PETSC_EXTERN PetscErrorCode VecMPISetGhost(Vec,PetscInt,const PetscInt[]);
562 PETSC_EXTERN PetscErrorCode VecCreateGhost(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*);
563 PETSC_EXTERN PetscErrorCode VecCreateGhostWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*);
564 PETSC_EXTERN PetscErrorCode VecCreateGhostBlock(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*);
565 PETSC_EXTERN PetscErrorCode VecCreateGhostBlockWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*);
566 PETSC_EXTERN PetscErrorCode VecGhostGetLocalForm(Vec,Vec*);
567 PETSC_EXTERN PetscErrorCode VecGhostRestoreLocalForm(Vec,Vec*);
568 PETSC_EXTERN PetscErrorCode VecGhostIsLocalForm(Vec,Vec,PetscBool*);
569 PETSC_EXTERN PetscErrorCode VecGhostUpdateBegin(Vec,InsertMode,ScatterMode);
570 PETSC_EXTERN PetscErrorCode VecGhostUpdateEnd(Vec,InsertMode,ScatterMode);
571 
572 PETSC_EXTERN PetscErrorCode VecConjugate(Vec);
573 PETSC_EXTERN PetscErrorCode VecImaginaryPart(Vec);
574 PETSC_EXTERN PetscErrorCode VecRealPart(Vec);
575 
576 PETSC_EXTERN PetscErrorCode VecScatterCreateToAll(Vec,VecScatter*,Vec*);
577 PETSC_EXTERN PetscErrorCode VecScatterCreateToZero(Vec,VecScatter*,Vec*);
578 
579 PETSC_EXTERN PetscErrorCode ISComplementVec(IS,Vec,IS*);
580 PETSC_EXTERN PetscErrorCode VecPow(Vec, PetscScalar);
581 PETSC_EXTERN PetscErrorCode VecMedian(Vec, Vec, Vec, Vec);
582 PETSC_EXTERN PetscErrorCode VecWhichInactive(Vec, Vec, Vec, Vec, PetscBool, IS *);
583 PETSC_EXTERN PetscErrorCode VecWhichBetween(Vec, Vec, Vec, IS *);
584 PETSC_EXTERN PetscErrorCode VecWhichBetweenOrEqual(Vec, Vec, Vec, IS *);
585 PETSC_EXTERN PetscErrorCode VecWhichGreaterThan(Vec, Vec, IS * );
586 PETSC_EXTERN PetscErrorCode VecWhichLessThan(Vec, Vec, IS *);
587 PETSC_EXTERN PetscErrorCode VecWhichEqual(Vec, Vec, IS *);
588 PETSC_EXTERN PetscErrorCode VecISAXPY(Vec, IS, PetscScalar,Vec);
589 PETSC_EXTERN PetscErrorCode VecISCopy(Vec, IS, ScatterMode, Vec);
590 PETSC_EXTERN PetscErrorCode VecISSet(Vec,IS, PetscScalar);
591 PETSC_EXTERN PetscErrorCode VecBoundGradientProjection(Vec, Vec, Vec, Vec, Vec);
592 PETSC_EXTERN PetscErrorCode VecStepBoundInfo(Vec,Vec,Vec,Vec,PetscReal*, PetscReal*,PetscReal*);
593 PETSC_EXTERN PetscErrorCode VecStepMax(Vec, Vec, PetscReal *);
594 PETSC_EXTERN PetscErrorCode VecStepMaxBounded(Vec,Vec,Vec,Vec,PetscReal*);
595 
596 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaGetVector(PetscViewer, Vec);
597 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutVector(PetscViewer, Vec);
598 
599 /*S
600      Vecs - Collection of vectors where the data for the vectors is stored in
601             one contiguous memory
602 
603    Level: advanced
604 
605    Notes:
606     Temporary construct for handling multiply right hand side solves
607 
608     This is faked by storing a single vector that has enough array space for
609     n vectors
610 
611   Concepts: parallel decomposition
612 
613 S*/
614         struct _n_Vecs  {PetscInt n; Vec v;};
615 typedef struct _n_Vecs* Vecs;
616 PETSC_EXTERN PetscErrorCode VecsDestroy(Vecs);
617 PETSC_EXTERN PetscErrorCode VecsCreateSeq(MPI_Comm,PetscInt,PetscInt,Vecs*);
618 PETSC_EXTERN PetscErrorCode VecsCreateSeqWithArray(MPI_Comm,PetscInt,PetscInt,PetscScalar*,Vecs*);
619 PETSC_EXTERN PetscErrorCode VecsDuplicate(Vecs,Vecs*);
620 
621 #if defined(PETSC_HAVE_VIENNACL)
622 typedef struct _p_PetscViennaCLIndices* PetscViennaCLIndices;
623 PETSC_EXTERN PetscErrorCode PetscViennaCLIndicesCreate(PetscInt, PetscInt*,PetscInt, PetscInt*,PetscViennaCLIndices*);
624 PETSC_EXTERN PetscErrorCode PetscViennaCLIndicesDestroy(PetscViennaCLIndices*);
625 PETSC_EXTERN PetscErrorCode VecViennaCLCopyToGPUSome_Public(Vec,PetscViennaCLIndices);
626 PETSC_EXTERN PetscErrorCode VecViennaCLCopyFromGPUSome_Public(Vec,PetscViennaCLIndices);
627 PETSC_EXTERN PetscErrorCode VecCreateSeqViennaCL(MPI_Comm,PetscInt,Vec*);
628 PETSC_EXTERN PetscErrorCode VecCreateMPIViennaCL(MPI_Comm,PetscInt,PetscInt,Vec*);
629 #endif
630 #if defined(PETSC_HAVE_CUDA)
631 typedef struct _p_PetscCUDAIndices* PetscCUDAIndices;
632 typedef struct _p_VecScatterCUDAIndices_StoS* VecScatterCUDAIndices_StoS;
633 typedef struct _p_VecScatterCUDAIndices_PtoP* VecScatterCUDAIndices_PtoP;
634 PETSC_EXTERN PetscErrorCode VecCUDACopyToGPUSome_Public(Vec,PetscCUDAIndices,ScatterMode);
635 PETSC_EXTERN PetscErrorCode VecCUDACopyFromGPUSome_Public(Vec,PetscCUDAIndices,ScatterMode);
636 PETSC_EXTERN PetscErrorCode VecScatterInitializeForGPU(VecScatter,Vec);
637 PETSC_EXTERN PetscErrorCode VecScatterFinalizeForGPU(VecScatter);
638 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDA(MPI_Comm,PetscInt,Vec*);
639 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDAWithArray(MPI_Comm,PetscInt,PetscInt,const PetscScalar*,Vec*);
640 PETSC_EXTERN PetscErrorCode VecCreateMPICUDA(MPI_Comm,PetscInt,PetscInt,Vec*);
641 PETSC_EXTERN PetscErrorCode VecCreateMPICUDAWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscScalar*,Vec*);
642 #endif
643 
644 PETSC_EXTERN PetscErrorCode VecNestGetSubVecs(Vec,PetscInt*,Vec**);
645 PETSC_EXTERN PetscErrorCode VecNestGetSubVec(Vec,PetscInt,Vec*);
646 PETSC_EXTERN PetscErrorCode VecNestSetSubVecs(Vec,PetscInt,PetscInt*,Vec*);
647 PETSC_EXTERN PetscErrorCode VecNestSetSubVec(Vec,PetscInt,Vec);
648 PETSC_EXTERN PetscErrorCode VecCreateNest(MPI_Comm,PetscInt,IS*,Vec*,Vec*);
649 PETSC_EXTERN PetscErrorCode VecNestGetSize(Vec,PetscInt*);
650 
651 PETSC_EXTERN PetscErrorCode PetscOptionsGetVec(PetscOptions,const char[],const char[],Vec,PetscBool*);
652 PETSC_EXTERN PetscErrorCode VecChop(Vec,PetscReal);
653 
654 PETSC_EXTERN PetscErrorCode VecGetLayout(Vec,PetscLayout*);
655 PETSC_EXTERN PetscErrorCode VecSetLayout(Vec,PetscLayout);
656 
657 PETSC_EXTERN PetscErrorCode PetscSectionVecView(PetscSection, Vec, PetscViewer);
658 PETSC_EXTERN PetscErrorCode VecGetValuesSection(Vec, PetscSection, PetscInt, PetscScalar **);
659 PETSC_EXTERN PetscErrorCode VecSetValuesSection(Vec, PetscSection, PetscInt, PetscScalar [], InsertMode);
660 PETSC_EXTERN PetscErrorCode PetscSectionVecNorm(PetscSection, PetscSection, Vec, NormType, PetscReal []);
661 
662 PETSC_EXTERN PetscErrorCode PetscSFCreateFromZero(MPI_Comm,Vec,PetscSF*);
663 
664 /*S
665   VecTagger - Object used to manage the tagging of a subset of indices based on the values of a vector.  The
666               motivating application is the selection of cells for refinement or coarsening based on vector containing
667               the values in an error indicator metric.
668 
669   Level: advanced
670 S*/
671 typedef struct _p_VecTagger *VecTagger;
672 
673 /*J
674   VecTaggerType - String with the name of a VecTagger type
675 
676   Level: advanced
677 J*/
678 typedef const char* VecTaggerType;
679 /* tag where the vector values are in a box of explicitly defined values */
680 #define VECTAGGERABSOLUTE   "absolute"
681 /* tag where the vector values are in a box of values relative to the set of all values in the vector */
682 #define VECTAGGERRELATIVE   "relative"
683 /* tag where the vector values are in a relative range of the *cumulative distribution* of values in the vector */
684 #define VECTAGGERCDF        "cdf"
685 /* tag a vector as the union of other tags */
686 #define VECTAGGEROR         "or"
687 /* tag a vector as the intersection of other tags */
688 #define VECTAGGERAND        "and"
689 
690 PETSC_EXTERN PetscClassId VEC_TAGGER_CLASSID;
691 PETSC_EXTERN PetscFunctionList VecTaggerList;
692 PETSC_EXTERN PetscErrorCode VecTaggerRegister(const char[],PetscErrorCode (*) (VecTagger));
693 
694 PETSC_EXTERN PetscErrorCode VecTaggerCreate(MPI_Comm,VecTagger *);
695 PETSC_EXTERN PetscErrorCode VecTaggerSetBlockSize(VecTagger,PetscInt);
696 PETSC_EXTERN PetscErrorCode VecTaggerGetBlockSize(VecTagger,PetscInt*);
697 PETSC_EXTERN PetscErrorCode VecTaggerSetType(VecTagger,VecTaggerType);
698 PETSC_EXTERN PetscErrorCode VecTaggerGetType(VecTagger,VecTaggerType *);
699 PETSC_EXTERN PetscErrorCode VecTaggerSetInvert(VecTagger,PetscBool);
700 PETSC_EXTERN PetscErrorCode VecTaggerGetInvert(VecTagger,PetscBool*);
701 PETSC_EXTERN PetscErrorCode VecTaggerSetFromOptions(VecTagger);
702 PETSC_EXTERN PetscErrorCode VecTaggerSetUp(VecTagger);
703 PETSC_EXTERN PetscErrorCode VecTaggerView(VecTagger,PetscViewer);
704 PETSC_EXTERN PetscErrorCode VecTaggerComputeIS(VecTagger,Vec,IS *);
705 PETSC_EXTERN PetscErrorCode VecTaggerDestroy(VecTagger *);
706 
707 /*S
708    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
709    such that real(min) <= real(z) <= real(max) and imag(min) <= imag(z) <= imag(max).  INF is an acceptable endpoint.
710 
711    Level: beginner
712 
713 .seealso: VecTaggerComputeIntervals()
714 S*/
715 typedef struct {
716   PetscScalar min;
717   PetscScalar max;
718 } VecTaggerBox;
719 PETSC_EXTERN PetscErrorCode VecTaggerComputeBoxes(VecTagger,Vec,PetscInt *,VecTaggerBox **);
720 
721 
722 PETSC_EXTERN PetscErrorCode VecTaggerAbsoluteSetBox(VecTagger,VecTaggerBox *);
723 PETSC_EXTERN PetscErrorCode VecTaggerAbsoluteGetBox(VecTagger,const VecTaggerBox **);
724 
725 PETSC_EXTERN PetscErrorCode VecTaggerRelativeSetBox(VecTagger,VecTaggerBox *);
726 PETSC_EXTERN PetscErrorCode VecTaggerRelativeGetBox(VecTagger,const VecTaggerBox **);
727 
728 PETSC_EXTERN PetscErrorCode VecTaggerCDFSetBox(VecTagger,VecTaggerBox *);
729 PETSC_EXTERN PetscErrorCode VecTaggerCDFGetBox(VecTagger,const VecTaggerBox **);
730 
731 /*E
732   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.
733 
734   Level: advanced
735 .seealso: VecTaggerCDFSetMethod(), VecTaggerCDFMethods
736 E*/
737 typedef enum {VECTAGGER_CDF_GATHER,VECTAGGER_CDF_ITERATIVE,VECTAGGER_CDF_NUM_METHODS} VecTaggerCDFMethod;
738 PETSC_EXTERN const char *const VecTaggerCDFMethods[];
739 
740 PETSC_EXTERN PetscErrorCode VecTaggerCDFSetMethod(VecTagger,VecTaggerCDFMethod);
741 PETSC_EXTERN PetscErrorCode VecTaggerCDFGetMethod(VecTagger,VecTaggerCDFMethod*);
742 PETSC_EXTERN PetscErrorCode VecTaggerCDFIterativeSetTolerances(VecTagger,PetscInt,PetscReal,PetscReal);
743 PETSC_EXTERN PetscErrorCode VecTaggerCDFIterativeGetTolerances(VecTagger,PetscInt*,PetscReal*,PetscReal*);
744 
745 PETSC_EXTERN PetscErrorCode VecTaggerOrSetSubs(VecTagger,PetscInt,VecTagger*,PetscCopyMode);
746 PETSC_EXTERN PetscErrorCode VecTaggerOrGetSubs(VecTagger,PetscInt*,VecTagger**);
747 
748 PETSC_EXTERN PetscErrorCode VecTaggerAndSetSubs(VecTagger,PetscInt,VecTagger*,PetscCopyMode);
749 PETSC_EXTERN PetscErrorCode VecTaggerAndGetSubs(VecTagger,PetscInt*,VecTagger**);
750 
751 PETSC_EXTERN PetscErrorCode VecTaggerInitializePackage(void);
752 PETSC_EXTERN PetscErrorCode VecTaggerFinalizePackage(void);
753 
754 #endif
755