xref: /petsc/include/petscvec.h (revision 9371c9d470a9602b6d10a8bf50c9b2280a79e45a)
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 #if !defined(PETSCVEC_H)
7 #define PETSCVEC_H
8 
9 #include <petscsys.h>
10 #include <petscsftypes.h> /* for VecScatter, VecScatterType */
11 #include <petscis.h>
12 #include <petscdevicetypes.h>
13 #include <petscviewer.h>
14 
15 /* SUBMANSEC = Vec */
16 
17 /*S
18      Vec - Abstract PETSc vector object
19 
20    Level: beginner
21 
22 .seealso: `VecCreate()`, `VecType`, `VecSetType()`
23 S*/
24 typedef struct _p_Vec *Vec;
25 
26 /*E
27   ScatterMode - Determines the direction of a scatter
28 
29   Level: beginner
30 
31 .seealso: `VecScatter`, `VecScatterBegin()`, `VecScatterEnd()`
32 E*/
33 typedef enum {
34   SCATTER_FORWARD       = 0,
35   SCATTER_REVERSE       = 1,
36   SCATTER_FORWARD_LOCAL = 2,
37   SCATTER_REVERSE_LOCAL = 3,
38   SCATTER_LOCAL         = 2
39 } ScatterMode;
40 
41 /*MC
42     SCATTER_FORWARD - Scatters the values as dictated by the `VecScatterCreate()` call
43 
44     Level: beginner
45 
46 .seealso: `VecScatter`, `ScatterMode`, `VecScatterCreate()`, `VecScatterBegin()`, `VecScatterEnd()`, `SCATTER_REVERSE`, `SCATTER_FORWARD_LOCAL`,
47           `SCATTER_REVERSE_LOCAL`
48 
49 M*/
50 
51 /*MC
52     SCATTER_REVERSE - Moves the values in the opposite direction then the directions indicated in
53          in the `VecScatterCreate()`
54 
55     Level: beginner
56 
57 .seealso: `VecScatter`, `ScatterMode`, `VecScatterCreate()`, `VecScatterBegin()`, `VecScatterEnd()`, `SCATTER_FORWARD`, `SCATTER_FORWARD_LOCAL`,
58           `SCATTER_REVERSE_LOCAL`
59 
60 M*/
61 
62 /*MC
63     SCATTER_FORWARD_LOCAL - Scatters the values as dictated by the `VecScatterCreate()` call except NO parallel communication
64        is done. Any variables that have be moved between processes are ignored
65 
66     Level: developer
67 
68 .seealso: `VecScatter`, `ScatterMode`, `VecScatterCreate()`, `VecScatterBegin()`, `VecScatterEnd()`, `SCATTER_REVERSE`, `SCATTER_FORWARD`,
69           `SCATTER_REVERSE_LOCAL`
70 
71 M*/
72 
73 /*MC
74     SCATTER_REVERSE_LOCAL - Moves the values in the opposite direction then the directions indicated in
75          in the `VecScatterCreate()`  except NO parallel communication
76        is done. Any variables that have be moved between processes are ignored
77 
78     Level: developer
79 
80 .seealso: `VecScatter`, `ScatterMode`, `VecScatterCreate()`, `VecScatterBegin()`, `VecScatterEnd()`, `SCATTER_FORWARD`, `SCATTER_FORWARD_LOCAL`,
81           `SCATTER_REVERSE`
82 
83 M*/
84 
85 /*J
86     VecType - String with the name of a PETSc vector
87 
88    Level: beginner
89 
90 .seealso: `VecSetType()`, `Vec`, `VecCreate()`, `VecDestroy()`
91 J*/
92 typedef const char *VecType;
93 #define VECSEQ         "seq"
94 #define VECMPI         "mpi"
95 #define VECSTANDARD    "standard" /* seq on one process and mpi on several */
96 #define VECSHARED      "shared"
97 #define VECSEQVIENNACL "seqviennacl"
98 #define VECMPIVIENNACL "mpiviennacl"
99 #define VECVIENNACL    "viennacl" /* seqviennacl on one process and mpiviennacl on several */
100 #define VECSEQCUDA     "seqcuda"
101 #define VECMPICUDA     "mpicuda"
102 #define VECCUDA        "cuda" /* seqcuda on one process and mpicuda on several */
103 #define VECSEQHIP      "seqhip"
104 #define VECMPIHIP      "mpihip"
105 #define VECHIP         "hip" /* seqcuda on one process and mpicuda on several */
106 #define VECNEST        "nest"
107 #define VECSEQKOKKOS   "seqkokkos"
108 #define VECMPIKOKKOS   "mpikokkos"
109 #define VECKOKKOS      "kokkos" /* seqkokkos on one process and mpikokkos on several */
110 
111 /* Dynamic creation and loading functions */
112 PETSC_EXTERN PetscErrorCode VecScatterSetType(VecScatter, VecScatterType);
113 PETSC_EXTERN PetscErrorCode VecScatterGetType(VecScatter, VecScatterType *);
114 PETSC_EXTERN PetscErrorCode VecScatterSetFromOptions(VecScatter);
115 PETSC_EXTERN PetscErrorCode VecScatterRegister(const char[], PetscErrorCode (*)(VecScatter));
116 PETSC_EXTERN PetscErrorCode VecScatterCreate(Vec, IS, Vec, IS, VecScatter *);
117 
118 /* Logging support */
119 #define REAL_FILE_CLASSID 1211213
120 #define VEC_FILE_CLASSID  1211214
121 PETSC_EXTERN PetscClassId VEC_CLASSID;
122 PETSC_EXTERN PetscClassId PETSCSF_CLASSID;
123 
124 PETSC_EXTERN PetscErrorCode VecInitializePackage(void);
125 PETSC_EXTERN PetscErrorCode VecFinalizePackage(void);
126 
127 PETSC_EXTERN PetscErrorCode VecCreate(MPI_Comm, Vec *);
128 PETSC_EXTERN PetscErrorCode VecCreateSeq(MPI_Comm, PetscInt, Vec *);
129 PETSC_EXTERN PetscErrorCode VecCreateMPI(MPI_Comm, PetscInt, PetscInt, Vec *);
130 PETSC_EXTERN PetscErrorCode VecCreateSeqWithArray(MPI_Comm, PetscInt, PetscInt, const PetscScalar[], Vec *);
131 PETSC_EXTERN PetscErrorCode VecCreateMPIWithArray(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscScalar[], Vec *);
132 PETSC_EXTERN PetscErrorCode VecCreateShared(MPI_Comm, PetscInt, PetscInt, Vec *);
133 PETSC_EXTERN PetscErrorCode VecCreateNode(MPI_Comm, PetscInt, PetscInt, Vec *);
134 
135 PETSC_EXTERN PetscErrorCode VecSetFromOptions(Vec);
136 PETSC_EXTERN PetscErrorCode VecViewFromOptions(Vec, PetscObject, const char[]);
137 
138 PETSC_EXTERN PetscErrorCode VecSetUp(Vec);
139 PETSC_EXTERN PetscErrorCode VecDestroy(Vec *);
140 PETSC_EXTERN PetscErrorCode VecZeroEntries(Vec);
141 PETSC_EXTERN PetscErrorCode VecSetOptionsPrefix(Vec, const char[]);
142 PETSC_EXTERN PetscErrorCode VecAppendOptionsPrefix(Vec, const char[]);
143 PETSC_EXTERN PetscErrorCode VecGetOptionsPrefix(Vec, const char *[]);
144 
145 PETSC_EXTERN PetscErrorCode VecSetSizes(Vec, PetscInt, PetscInt);
146 
147 PETSC_EXTERN PetscErrorCode VecDotNorm2(Vec, Vec, PetscScalar *, PetscReal *);
148 PETSC_EXTERN PetscErrorCode VecDot(Vec, Vec, PetscScalar *);
149 PETSC_EXTERN PetscErrorCode VecDotRealPart(Vec, Vec, PetscReal *);
150 PETSC_EXTERN PetscErrorCode VecTDot(Vec, Vec, PetscScalar *);
151 PETSC_EXTERN PetscErrorCode VecMDot(Vec, PetscInt, const Vec[], PetscScalar[]);
152 PETSC_EXTERN PetscErrorCode VecMTDot(Vec, PetscInt, const Vec[], PetscScalar[]);
153 PETSC_EXTERN PetscErrorCode VecGetSubVector(Vec, IS, Vec *);
154 PETSC_EXTERN PetscErrorCode VecRestoreSubVector(Vec, IS, Vec *);
155 PETSC_EXTERN PetscErrorCode VecConcatenate(PetscInt, const Vec[], Vec *, IS *[]);
156 
157 /*E
158     NormType - determines what type of norm to compute
159 
160     Level: beginner
161 
162 .seealso: `VecNorm()`, `VecNormBegin()`, `VecNormEnd()`, `MatNorm()`
163 E*/
164 typedef enum {
165   NORM_1         = 0,
166   NORM_2         = 1,
167   NORM_FROBENIUS = 2,
168   NORM_INFINITY  = 3,
169   NORM_1_AND_2   = 4
170 } NormType;
171 PETSC_EXTERN const char *const NormTypes[];
172 #define NORM_MAX NORM_INFINITY
173 
174 /*MC
175      NORM_1 - the one norm, ||v|| = sum_i | v_i |. ||A|| = max_j || v_*j ||, maximum column sum
176 
177    Level: beginner
178 
179 .seealso: `NormType`, `MatNorm()`, `VecNorm()`, `VecNormBegin()`, `VecNormEnd()`, `NORM_2`, `NORM_FROBENIUS`,
180           `NORM_INFINITY`, `NORM_1_AND_2`
181 
182 M*/
183 
184 /*MC
185      NORM_2 - the two norm, ||v|| = sqrt(sum_i |v_i|^2) (vectors only)
186 
187    Level: beginner
188 
189 .seealso: `NormType`, `MatNorm()`, `VecNorm()`, `VecNormBegin()`, `VecNormEnd()`, `NORM_1`, `NORM_FROBENIUS`,
190           `NORM_INFINITY`, `NORM_1_AND_2`
191 
192 M*/
193 
194 /*MC
195      NORM_FROBENIUS - ||A|| = sqrt(sum_ij |A_ij|^2), same as `NORM_2` for vectors
196 
197    Level: beginner
198 
199 .seealso: `NormType`, `MatNorm()`, `VecNorm()`, `VecNormBegin()`, `VecNormEnd()`, `NORM_1`, `NORM_2`,
200           `NORM_INFINITY`, `NORM_1_AND_2`
201 
202 M*/
203 
204 /*MC
205      NORM_INFINITY - ||v|| = max_i |v_i|. ||A|| = max_i || v_i* ||, maximum row sum
206 
207    Level: beginner
208 
209 .seealso: `NormType`, `MatNorm()`, `VecNorm()`, `VecNormBegin()`, `VecNormEnd()`, `NORM_1`, `NORM_2`,
210           `NORM_FROBENIUS`, `NORM_1_AND_2`
211 
212 M*/
213 
214 /*MC
215      NORM_1_AND_2 - computes both the 1 and 2 norm of a vector
216 
217    Level: beginner
218 
219 .seealso: `NormType`, `MatNorm()`, `VecNorm()`, `VecNormBegin()`, `VecNormEnd()`, `NORM_1`, `NORM_2`,
220           `NORM_FROBENIUS`, `NORM_INFINITY`
221 
222 M*/
223 
224 /*MC
225      NORM_MAX - see `NORM_INFINITY`
226 
227    Level: beginner
228 
229 M*/
230 
231 /*E
232     ReductionType - determines what type of column reduction (one that is not a type of norm defined in `NormType`) to compute
233 
234     Level: beginner
235 
236 .seealso: `MatGetColumnReductions()`, `MatGetColumnNorms()`, `NormType`
237 E*/
238 /* NOTE: The integer constants defined in ReductionType MUST BE DISTINCT from those defined in NormType.
239  * This is because MatGetColumnReductions() is used to compute both norms and other types of reductions,
240  * and the constants defined in both NormType and ReductionType are used to designate the desired operation. */
241 typedef enum {
242   REDUCTION_SUM_REALPART       = 10,
243   REDUCTION_MEAN_REALPART      = 11,
244   REDUCTION_SUM_IMAGINARYPART  = 12,
245   REDUCTION_MEAN_IMAGINARYPART = 13
246 } ReductionType;
247 
248 /*MC
249      REDUCTION_SUM_REALPART - sum of real part of matrix column
250 
251    Level: beginner
252 
253 .seealso: `ReductionType`, `MatGetColumnReductions()`, `REDUCTION_SUM_IMAGINARYPART`, `REDUCTION_MEAN_REALPART`, `REDUCTION_NORM_1`,
254           `REDUCTION_NORM_2`, `REDUCTION_NORM_FROBENIUS`, `REDUCTION_NORM_INFINITY`
255 
256 M*/
257 
258 /*MC
259      REDUCTION_SUM_IMAGINARYPART - sum of imaginary part of matrix column
260 
261    Level: beginner
262 
263 .seealso: `ReductionType`, `MatGetColumnReductions()`, `REDUCTION_SUM_REALPART`, `REDUCTION_MEAN_IMAGINARYPART`, `REDUCTION_NORM_1`,
264           `REDUCTION_NORM_2`, `REDUCTION_NORM_FROBENIUS`, `REDUCTION_NORM_INFINITY`
265 
266 M*/
267 
268 /*MC
269      REDUCTION_MEAN_REALPART - arithmetic mean of real part of matrix column
270 
271    Level: beginner
272 
273 .seealso: `ReductionType`, `MatGetColumnReductions()`, `REDUCTION_MEAN_IMAGINARYPART`, `REDUCTION_SUM_REALPART`, `REDUCTION_NORM_1`,
274           `REDUCTION_NORM_2`, `REDUCTION_NORM_FROBENIUS`, `REDUCTION_NORM_INFINITY`
275 
276 M*/
277 
278 /*MC
279      REDUCTION_MEAN_IMAGINARYPART - arithmetic mean of imaginary part of matrix column
280 
281    Level: beginner
282 
283 .seealso: `ReductionType`, `MatGetColumnReductions()`, `REDUCTION_MEAN_REALPART`, `REDUCTION_SUM_IMAGINARYPART`, `REDUCTION_NORM_1`,
284           `REDUCTION_NORM_2`, `REDUCTION_NORM_FROBENIUS`, `REDUCTION_NORM_INFINITY`
285 
286 M*/
287 
288 PETSC_EXTERN PetscErrorCode VecNorm(Vec, NormType, PetscReal *);
289 PETSC_EXTERN PetscErrorCode VecNormAvailable(Vec, NormType, PetscBool *, PetscReal *);
290 PETSC_EXTERN PetscErrorCode VecNormalize(Vec, PetscReal *);
291 PETSC_EXTERN PetscErrorCode VecSum(Vec, PetscScalar *);
292 PETSC_EXTERN PetscErrorCode VecMean(Vec, PetscScalar *);
293 PETSC_EXTERN PetscErrorCode VecMax(Vec, PetscInt *, PetscReal *);
294 PETSC_EXTERN PetscErrorCode VecMin(Vec, PetscInt *, PetscReal *);
295 PETSC_EXTERN PetscErrorCode VecScale(Vec, PetscScalar);
296 PETSC_EXTERN PetscErrorCode VecCopy(Vec, Vec);
297 PETSC_EXTERN PetscErrorCode VecSetRandom(Vec, PetscRandom);
298 PETSC_EXTERN PetscErrorCode VecSet(Vec, PetscScalar);
299 PETSC_EXTERN PetscErrorCode VecSetInf(Vec);
300 PETSC_EXTERN PetscErrorCode VecSwap(Vec, Vec);
301 PETSC_EXTERN PetscErrorCode VecAXPY(Vec, PetscScalar, Vec);
302 PETSC_EXTERN PetscErrorCode VecAXPBY(Vec, PetscScalar, PetscScalar, Vec);
303 PETSC_EXTERN PetscErrorCode VecMAXPY(Vec, PetscInt, const PetscScalar[], Vec[]);
304 PETSC_EXTERN PetscErrorCode VecAYPX(Vec, PetscScalar, Vec);
305 PETSC_EXTERN PetscErrorCode VecWAXPY(Vec, PetscScalar, Vec, Vec);
306 PETSC_EXTERN PetscErrorCode VecAXPBYPCZ(Vec, PetscScalar, PetscScalar, PetscScalar, Vec, Vec);
307 PETSC_EXTERN PetscErrorCode VecPointwiseMax(Vec, Vec, Vec);
308 PETSC_EXTERN PetscErrorCode VecPointwiseMaxAbs(Vec, Vec, Vec);
309 PETSC_EXTERN PetscErrorCode VecPointwiseMin(Vec, Vec, Vec);
310 PETSC_EXTERN PetscErrorCode VecPointwiseMult(Vec, Vec, Vec);
311 PETSC_EXTERN PetscErrorCode VecPointwiseDivide(Vec, Vec, Vec);
312 PETSC_EXTERN PetscErrorCode VecMaxPointwiseDivide(Vec, Vec, PetscReal *);
313 PETSC_EXTERN PetscErrorCode VecShift(Vec, PetscScalar);
314 PETSC_EXTERN PetscErrorCode VecReciprocal(Vec);
315 PETSC_EXTERN PetscErrorCode VecPermute(Vec, IS, PetscBool);
316 PETSC_EXTERN PetscErrorCode VecSqrtAbs(Vec);
317 PETSC_EXTERN PetscErrorCode VecLog(Vec);
318 PETSC_EXTERN PetscErrorCode VecExp(Vec);
319 PETSC_EXTERN PetscErrorCode VecAbs(Vec);
320 PETSC_EXTERN PetscErrorCode VecDuplicate(Vec, Vec *);
321 PETSC_EXTERN PetscErrorCode VecDuplicateVecs(Vec, PetscInt, Vec *[]);
322 PETSC_EXTERN PetscErrorCode VecDestroyVecs(PetscInt, Vec *[]);
323 PETSC_EXTERN PetscErrorCode VecStrideNormAll(Vec, NormType, PetscReal[]);
324 PETSC_EXTERN PetscErrorCode VecStrideMaxAll(Vec, PetscInt[], PetscReal[]);
325 PETSC_EXTERN PetscErrorCode VecStrideMinAll(Vec, PetscInt[], PetscReal[]);
326 PETSC_EXTERN PetscErrorCode VecStrideScaleAll(Vec, const PetscScalar[]);
327 PETSC_EXTERN PetscErrorCode VecStrideSumAll(Vec, PetscScalar *);
328 PETSC_EXTERN PetscErrorCode VecUniqueEntries(Vec, PetscInt *, PetscScalar **);
329 
330 PETSC_EXTERN PetscErrorCode VecStrideNorm(Vec, PetscInt, NormType, PetscReal *);
331 PETSC_EXTERN PetscErrorCode VecStrideMax(Vec, PetscInt, PetscInt *, PetscReal *);
332 PETSC_EXTERN PetscErrorCode VecStrideMin(Vec, PetscInt, PetscInt *, PetscReal *);
333 PETSC_EXTERN PetscErrorCode VecStrideScale(Vec, PetscInt, PetscScalar);
334 PETSC_EXTERN PetscErrorCode VecStrideSum(Vec, PetscInt, PetscScalar *);
335 PETSC_EXTERN PetscErrorCode VecStrideSet(Vec, PetscInt, PetscScalar);
336 
337 PETSC_EXTERN PetscErrorCode VecStrideGather(Vec, PetscInt, Vec, InsertMode);
338 PETSC_EXTERN PetscErrorCode VecStrideScatter(Vec, PetscInt, Vec, InsertMode);
339 PETSC_EXTERN PetscErrorCode VecStrideGatherAll(Vec, Vec[], InsertMode);
340 PETSC_EXTERN PetscErrorCode VecStrideScatterAll(Vec[], Vec, InsertMode);
341 
342 PETSC_EXTERN PetscErrorCode VecStrideSubSetScatter(Vec, PetscInt, const PetscInt[], const PetscInt[], Vec, InsertMode);
343 PETSC_EXTERN PetscErrorCode VecStrideSubSetGather(Vec, PetscInt, const PetscInt[], const PetscInt[], Vec, InsertMode);
344 
345 PETSC_EXTERN PetscErrorCode VecSetValues(Vec, PetscInt, const PetscInt[], const PetscScalar[], InsertMode);
346 PETSC_EXTERN PetscErrorCode VecGetValues(Vec, PetscInt, const PetscInt[], PetscScalar[]);
347 PETSC_EXTERN PetscErrorCode VecAssemblyBegin(Vec);
348 PETSC_EXTERN PetscErrorCode VecAssemblyEnd(Vec);
349 PETSC_EXTERN PetscErrorCode VecStashSetInitialSize(Vec, PetscInt, PetscInt);
350 PETSC_EXTERN PetscErrorCode VecStashView(Vec, PetscViewer);
351 PETSC_EXTERN PetscErrorCode VecStashViewFromOptions(Vec, PetscObject, const char[]);
352 PETSC_EXTERN PetscErrorCode VecStashGetInfo(Vec, PetscInt *, PetscInt *, PetscInt *, PetscInt *);
353 
354 PETSC_EXTERN PetscErrorCode VecSetPreallocationCOO(Vec, PetscCount, const PetscInt[]);
355 PETSC_EXTERN PetscErrorCode VecSetPreallocationCOOLocal(Vec, PetscCount, PetscInt[]);
356 PETSC_EXTERN PetscErrorCode VecSetValuesCOO(Vec, const PetscScalar[], InsertMode);
357 
358 /*MC
359    VecSetValue - Set a single entry into a vector.
360 
361    Synopsis:
362    #include <petscvec.h>
363    PetscErrorCode VecSetValue(Vec v,PetscInt row,PetscScalar value, InsertMode mode);
364 
365    Not Collective
366 
367    Input Parameters:
368 +  v - the vector
369 .  row - the row location of the entry
370 .  value - the value to insert
371 -  mode - either `INSERT_VALUES` or `ADD_VALUES`
372 
373    Notes:
374    For efficiency one should use `VecSetValues()` and set several or
375    many values simultaneously if possible.
376 
377    These values may be cached, so `VecAssemblyBegin()` and `VecAssemblyEnd()`
378    MUST be called after all calls to `VecSetValue()` have been completed.
379 
380    `VecSetValue()` uses 0-based indices in Fortran as well as in C.
381 
382    Level: beginner
383 
384 .seealso: `VecSetValues()`, `VecAssemblyBegin()`, `VecAssemblyEnd()`, `VecSetValuesBlockedLocal()`, `VecSetValueLocal()`
385 M*/
386 static inline PetscErrorCode VecSetValue(Vec v, PetscInt i, PetscScalar va, InsertMode mode) {
387   return VecSetValues(v, 1, &i, &va, mode);
388 }
389 
390 PETSC_EXTERN PetscErrorCode VecSetBlockSize(Vec, PetscInt);
391 PETSC_EXTERN PetscErrorCode VecGetBlockSize(Vec, PetscInt *);
392 PETSC_EXTERN PetscErrorCode VecSetValuesBlocked(Vec, PetscInt, const PetscInt[], const PetscScalar[], InsertMode);
393 
394 /* Dynamic creation and loading functions */
395 PETSC_EXTERN PetscFunctionList VecList;
396 PETSC_EXTERN PetscErrorCode    VecSetType(Vec, VecType);
397 PETSC_EXTERN PetscErrorCode    VecGetType(Vec, VecType *);
398 PETSC_EXTERN PetscErrorCode    VecRegister(const char[], PetscErrorCode (*)(Vec));
399 
400 PETSC_EXTERN PetscErrorCode VecScatterBegin(VecScatter, Vec, Vec, InsertMode, ScatterMode);
401 PETSC_EXTERN PetscErrorCode VecScatterEnd(VecScatter, Vec, Vec, InsertMode, ScatterMode);
402 PETSC_EXTERN PetscErrorCode VecScatterDestroy(VecScatter *);
403 PETSC_EXTERN PetscErrorCode VecScatterSetUp(VecScatter);
404 PETSC_EXTERN PetscErrorCode VecScatterCopy(VecScatter, VecScatter *);
405 PETSC_EXTERN PetscErrorCode VecScatterView(VecScatter, PetscViewer);
406 PETSC_EXTERN PetscErrorCode VecScatterViewFromOptions(VecScatter, PetscObject, const char[]);
407 PETSC_EXTERN PetscErrorCode VecScatterRemap(VecScatter, PetscInt[], PetscInt[]);
408 PETSC_EXTERN PetscErrorCode VecScatterGetMerged(VecScatter, PetscBool *);
409 
410 PETSC_EXTERN PetscErrorCode VecGetArray4d(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar ****[]);
411 PETSC_EXTERN PetscErrorCode VecRestoreArray4d(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar ****[]);
412 PETSC_EXTERN PetscErrorCode VecGetArray3d(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar ***[]);
413 PETSC_EXTERN PetscErrorCode VecRestoreArray3d(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar ***[]);
414 PETSC_EXTERN PetscErrorCode VecGetArray2d(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar **[]);
415 PETSC_EXTERN PetscErrorCode VecRestoreArray2d(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar **[]);
416 PETSC_EXTERN PetscErrorCode VecGetArray1d(Vec, PetscInt, PetscInt, PetscScalar *[]);
417 PETSC_EXTERN PetscErrorCode VecRestoreArray1d(Vec, PetscInt, PetscInt, PetscScalar *[]);
418 
419 PETSC_EXTERN PetscErrorCode VecGetArray4dWrite(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar ****[]);
420 PETSC_EXTERN PetscErrorCode VecGetArray4dWrite(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar ****[]);
421 PETSC_EXTERN PetscErrorCode VecRestoreArray4dWrite(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar ****[]);
422 PETSC_EXTERN PetscErrorCode VecGetArray3dWrite(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar ***[]);
423 PETSC_EXTERN PetscErrorCode VecRestoreArray3dWrite(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar ***[]);
424 PETSC_EXTERN PetscErrorCode VecGetArray2dWrite(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar **[]);
425 PETSC_EXTERN PetscErrorCode VecRestoreArray2dWrite(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar **[]);
426 PETSC_EXTERN PetscErrorCode VecGetArray1dWrite(Vec, PetscInt, PetscInt, PetscScalar *[]);
427 PETSC_EXTERN PetscErrorCode VecRestoreArray1dWrite(Vec, PetscInt, PetscInt, PetscScalar *[]);
428 
429 PETSC_EXTERN PetscErrorCode VecGetArray4dRead(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar ****[]);
430 PETSC_EXTERN PetscErrorCode VecRestoreArray4dRead(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar ****[]);
431 PETSC_EXTERN PetscErrorCode VecGetArray3dRead(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar ***[]);
432 PETSC_EXTERN PetscErrorCode VecRestoreArray3dRead(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar ***[]);
433 PETSC_EXTERN PetscErrorCode VecGetArray2dRead(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar **[]);
434 PETSC_EXTERN PetscErrorCode VecRestoreArray2dRead(Vec, PetscInt, PetscInt, PetscInt, PetscInt, PetscScalar **[]);
435 PETSC_EXTERN PetscErrorCode VecGetArray1dRead(Vec, PetscInt, PetscInt, PetscScalar *[]);
436 PETSC_EXTERN PetscErrorCode VecRestoreArray1dRead(Vec, PetscInt, PetscInt, PetscScalar *[]);
437 
438 PETSC_EXTERN PetscErrorCode VecPlaceArray(Vec, const PetscScalar[]);
439 PETSC_EXTERN PetscErrorCode VecResetArray(Vec);
440 PETSC_EXTERN PetscErrorCode VecReplaceArray(Vec, const PetscScalar[]);
441 
442 PETSC_EXTERN PetscErrorCode VecGetArrays(const Vec[], PetscInt, PetscScalar **[]);
443 PETSC_EXTERN PetscErrorCode VecRestoreArrays(const Vec[], PetscInt, PetscScalar **[]);
444 
445 PETSC_EXTERN PetscErrorCode VecView(Vec, PetscViewer);
446 PETSC_EXTERN PetscErrorCode VecViewNative(Vec, PetscViewer);
447 PETSC_EXTERN PetscErrorCode VecEqual(Vec, Vec, PetscBool *);
448 PETSC_EXTERN PetscErrorCode VecLoad(Vec, PetscViewer);
449 
450 PETSC_EXTERN PetscErrorCode VecGetSize(Vec, PetscInt *);
451 PETSC_EXTERN PetscErrorCode VecGetLocalSize(Vec, PetscInt *);
452 PETSC_EXTERN PetscErrorCode VecGetOwnershipRange(Vec, PetscInt *, PetscInt *);
453 PETSC_EXTERN PetscErrorCode VecGetOwnershipRanges(Vec, const PetscInt *[]);
454 
455 PETSC_EXTERN PetscErrorCode VecSetLocalToGlobalMapping(Vec, ISLocalToGlobalMapping);
456 PETSC_EXTERN PetscErrorCode VecSetValuesLocal(Vec, PetscInt, const PetscInt[], const PetscScalar[], InsertMode);
457 
458 PETSC_EXTERN PetscErrorCode VecCUDAGetArray(Vec, PetscScalar **);
459 PETSC_EXTERN PetscErrorCode VecCUDARestoreArray(Vec, PetscScalar **);
460 
461 PETSC_EXTERN PetscErrorCode VecCUDAGetArrayRead(Vec, const PetscScalar **);
462 PETSC_EXTERN PetscErrorCode VecCUDARestoreArrayRead(Vec, const PetscScalar **);
463 
464 PETSC_EXTERN PetscErrorCode VecCUDAGetArrayWrite(Vec, PetscScalar **);
465 PETSC_EXTERN PetscErrorCode VecCUDARestoreArrayWrite(Vec, PetscScalar **);
466 
467 PETSC_EXTERN PetscErrorCode VecCUDAPlaceArray(Vec, const PetscScalar[]);
468 PETSC_EXTERN PetscErrorCode VecCUDAReplaceArray(Vec, const PetscScalar[]);
469 PETSC_EXTERN PetscErrorCode VecCUDAResetArray(Vec);
470 
471 PETSC_EXTERN PetscErrorCode VecHIPGetArray(Vec, PetscScalar **);
472 PETSC_EXTERN PetscErrorCode VecHIPRestoreArray(Vec, PetscScalar **);
473 
474 PETSC_EXTERN PetscErrorCode VecHIPGetArrayRead(Vec, const PetscScalar **);
475 PETSC_EXTERN PetscErrorCode VecHIPRestoreArrayRead(Vec, const PetscScalar **);
476 
477 PETSC_EXTERN PetscErrorCode VecHIPGetArrayWrite(Vec, PetscScalar **);
478 PETSC_EXTERN PetscErrorCode VecHIPRestoreArrayWrite(Vec, PetscScalar **);
479 
480 PETSC_EXTERN PetscErrorCode VecHIPPlaceArray(Vec, const PetscScalar[]);
481 PETSC_EXTERN PetscErrorCode VecHIPReplaceArray(Vec, const PetscScalar[]);
482 PETSC_EXTERN PetscErrorCode VecHIPResetArray(Vec);
483 
484 PETSC_EXTERN PetscErrorCode VecViennaCLGetCLContext(Vec, PETSC_UINTPTR_T *);
485 PETSC_EXTERN PetscErrorCode VecViennaCLGetCLQueue(Vec, PETSC_UINTPTR_T *);
486 PETSC_EXTERN PetscErrorCode VecViennaCLGetCLMemRead(Vec, PETSC_UINTPTR_T *);
487 PETSC_EXTERN PetscErrorCode VecViennaCLGetCLMemWrite(Vec, PETSC_UINTPTR_T *);
488 PETSC_EXTERN PetscErrorCode VecViennaCLRestoreCLMemWrite(Vec);
489 PETSC_EXTERN PetscErrorCode VecViennaCLGetCLMem(Vec, PETSC_UINTPTR_T *);
490 PETSC_EXTERN PetscErrorCode VecViennaCLRestoreCLMem(Vec);
491 
492 /*MC
493    VecSetValueLocal - Set a single entry into a vector using the local numbering
494 
495    Synopsis:
496    #include <petscvec.h>
497    PetscErrorCode VecSetValueLocal(Vec v,PetscInt row,PetscScalar value, InsertMode mode);
498 
499    Not Collective
500 
501    Input Parameters:
502 +  v - the vector
503 .  row - the row location of the entry
504 .  value - the value to insert
505 -  mode - either `INSERT_VALUES` or `ADD_VALUES`
506 
507    Notes:
508    For efficiency one should use `VecSetValues()` and set several or
509    many values simultaneously if possible.
510 
511    These values may be cached, so `VecAssemblyBegin()` and `VecAssemblyEnd()`
512    MUST be called after all calls to `VecSetValues()` have been completed.
513 
514    `VecSetValues()` uses 0-based indices in Fortran as well as in C.
515 
516    Level: beginner
517 
518 .seealso: `VecSetValues()`, `VecAssemblyBegin()`, `VecAssemblyEnd()`, `VecSetValuesBlockedLocal()`, `VecSetValue()`
519 M*/
520 static inline PetscErrorCode VecSetValueLocal(Vec v, PetscInt i, PetscScalar va, InsertMode mode) {
521   return VecSetValuesLocal(v, 1, &i, &va, mode);
522 }
523 
524 PETSC_EXTERN PetscErrorCode VecSetValuesBlockedLocal(Vec, PetscInt, const PetscInt[], const PetscScalar[], InsertMode);
525 PETSC_EXTERN PetscErrorCode VecGetLocalToGlobalMapping(Vec, ISLocalToGlobalMapping *);
526 
527 PETSC_EXTERN PetscErrorCode VecDotBegin(Vec, Vec, PetscScalar *);
528 PETSC_EXTERN PetscErrorCode VecDotEnd(Vec, Vec, PetscScalar *);
529 PETSC_EXTERN PetscErrorCode VecTDotBegin(Vec, Vec, PetscScalar *);
530 PETSC_EXTERN PetscErrorCode VecTDotEnd(Vec, Vec, PetscScalar *);
531 PETSC_EXTERN PetscErrorCode VecNormBegin(Vec, NormType, PetscReal *);
532 PETSC_EXTERN PetscErrorCode VecNormEnd(Vec, NormType, PetscReal *);
533 
534 PETSC_EXTERN PetscErrorCode VecMDotBegin(Vec, PetscInt, const Vec[], PetscScalar[]);
535 PETSC_EXTERN PetscErrorCode VecMDotEnd(Vec, PetscInt, const Vec[], PetscScalar[]);
536 PETSC_EXTERN PetscErrorCode VecMTDotBegin(Vec, PetscInt, const Vec[], PetscScalar[]);
537 PETSC_EXTERN PetscErrorCode VecMTDotEnd(Vec, PetscInt, const Vec[], PetscScalar[]);
538 PETSC_EXTERN PetscErrorCode PetscCommSplitReductionBegin(MPI_Comm);
539 
540 PETSC_EXTERN PetscErrorCode VecBindToCPU(Vec, PetscBool);
541 PETSC_DEPRECATED_FUNCTION("Use VecBindToCPU (since v3.13)") static inline PetscErrorCode VecPinToCPU(Vec v, PetscBool flg) {
542   return VecBindToCPU(v, flg);
543 }
544 PETSC_EXTERN PetscErrorCode VecBoundToCPU(Vec, PetscBool *);
545 PETSC_EXTERN PetscErrorCode VecSetBindingPropagates(Vec, PetscBool);
546 PETSC_EXTERN PetscErrorCode VecGetBindingPropagates(Vec, PetscBool *);
547 PETSC_EXTERN PetscErrorCode VecSetPinnedMemoryMin(Vec, size_t);
548 PETSC_EXTERN PetscErrorCode VecGetPinnedMemoryMin(Vec, size_t *);
549 
550 PETSC_EXTERN PetscErrorCode VecGetOffloadMask(Vec, PetscOffloadMask *);
551 
552 typedef enum {
553   VEC_IGNORE_OFF_PROC_ENTRIES,
554   VEC_IGNORE_NEGATIVE_INDICES,
555   VEC_SUBSET_OFF_PROC_ENTRIES
556 } VecOption;
557 PETSC_EXTERN PetscErrorCode VecSetOption(Vec, VecOption, PetscBool);
558 
559 PETSC_EXTERN PetscErrorCode VecGetArray(Vec, PetscScalar **);
560 PETSC_EXTERN PetscErrorCode VecGetArrayWrite(Vec, PetscScalar **);
561 PETSC_EXTERN PetscErrorCode VecGetArrayRead(Vec, const PetscScalar **);
562 PETSC_EXTERN PetscErrorCode VecRestoreArray(Vec, PetscScalar **);
563 PETSC_EXTERN PetscErrorCode VecRestoreArrayWrite(Vec, PetscScalar **);
564 PETSC_EXTERN PetscErrorCode VecRestoreArrayRead(Vec, const PetscScalar **);
565 PETSC_EXTERN PetscErrorCode VecGetLocalVector(Vec, Vec);
566 PETSC_EXTERN PetscErrorCode VecRestoreLocalVector(Vec, Vec);
567 PETSC_EXTERN PetscErrorCode VecGetLocalVectorRead(Vec, Vec);
568 PETSC_EXTERN PetscErrorCode VecRestoreLocalVectorRead(Vec, Vec);
569 PETSC_EXTERN PetscErrorCode VecGetArrayAndMemType(Vec, PetscScalar **, PetscMemType *);
570 PETSC_EXTERN PetscErrorCode VecRestoreArrayAndMemType(Vec, PetscScalar **);
571 PETSC_EXTERN PetscErrorCode VecGetArrayReadAndMemType(Vec, const PetscScalar **, PetscMemType *);
572 PETSC_EXTERN PetscErrorCode VecRestoreArrayReadAndMemType(Vec, const PetscScalar **);
573 PETSC_EXTERN PetscErrorCode VecGetArrayWriteAndMemType(Vec, PetscScalar **, PetscMemType *);
574 PETSC_EXTERN PetscErrorCode VecRestoreArrayWriteAndMemType(Vec, PetscScalar **);
575 
576 /*@C
577    VecGetArrayPair - Accesses a pair of pointers for two vectors that may be common. When not common the first is read only
578 
579    Logically Collective on x
580 
581    Input Parameters:
582 +  x - the vector
583 -  y - the second vector
584 
585    Output Parameters:
586 +  xv - location to put pointer to the first array
587 -  yv - location to put pointer to the second array
588 
589    Level: developer
590 
591    Not available from Fortran
592 
593 .seealso: `VecGetArray()`, `VecGetArrayRead()`, `VecRestoreArrayPair()`
594 
595 @*/
596 static inline PetscErrorCode VecGetArrayPair(Vec x, Vec y, PetscScalar **xv, PetscScalar **yv) {
597   PetscFunctionBegin;
598   PetscCall(VecGetArray(y, yv));
599   if (x == y) *xv = *yv;
600   else PetscCall(VecGetArrayRead(x, (const PetscScalar **)xv));
601   PetscFunctionReturn(0);
602 }
603 
604 /*@C
605    VecRestoreArrayPair - Returns a pair of pointers for two vectors that may be common. When not common the first is read only
606 
607    Logically Collective on x
608 
609    Input Parameters:
610 +  x - the vector
611 -  y - the second vector
612 
613    Output Parameters:
614 +  xv - location to put pointer to the first array
615 -  yv - location to put pointer to the second array
616 
617    Level: developer
618 
619    Not available from Fortran
620 
621 .seealso: `VecGetArray()`, `VecGetArrayRead()`, `VecGetArrayPair()`
622 
623 @*/
624 static inline PetscErrorCode VecRestoreArrayPair(Vec x, Vec y, PetscScalar **xv, PetscScalar **yv) {
625   PetscFunctionBegin;
626   PetscCall(VecRestoreArray(y, yv));
627   if (x != y) PetscCall(VecRestoreArrayRead(x, (const PetscScalar **)xv));
628   PetscFunctionReturn(0);
629 }
630 
631 #if defined(PETSC_USE_DEBUG)
632 PETSC_EXTERN PetscErrorCode  VecLockReadPush(Vec);
633 PETSC_EXTERN PetscErrorCode  VecLockReadPop(Vec);
634 PETSC_EXTERN PetscErrorCode  VecLockWriteSet(Vec, PetscBool);
635 PETSC_EXTERN PetscErrorCode  VecLockGet(Vec, PetscInt *);
636 PETSC_EXTERN PetscErrorCode  VecLockGetLocation(Vec, const char *[], const char *[], int *);
637 static inline PetscErrorCode VecSetErrorIfLocked(Vec x, PetscInt arg) {
638   PetscInt state;
639 
640   PetscFunctionBegin;
641   PetscCall(VecLockGet(x, &state));
642   if (PetscUnlikely(state != 0)) {
643     const char *file, *func, *name;
644     int         line;
645 
646     PetscCall(VecLockGetLocation(x, &file, &func, &line));
647     PetscCall(PetscObjectGetName((PetscObject)x, &name));
648     SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_WRONGSTATE, "Vector '%s' (argument #%" PetscInt_FMT ") was locked for %s access in %s() at %s:%d (line numbers only accurate to function begin)", name, arg, state > 0 ? "read-only" : "write-only", func ? func : "unknown_function", file ? file : "unknown file", line ? line : 0);
649   }
650   PetscFunctionReturn(0);
651 }
652 /* The three are deprecated */
653 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use VecLockReadPush() (since version 3.11)") PetscErrorCode VecLockPush(Vec);
654 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use VecLockReadPop() (since version 3.11)") PetscErrorCode VecLockPop(Vec);
655 #define VecLocked(x, arg) VecSetErrorIfLocked(x, arg) PETSC_DEPRECATED_MACRO("GCC warning \"Use VecSetErrorIfLocked() (since version 3.11)\"")
656 #else
657 #define VecLockReadPush(x)          0
658 #define VecLockReadPop(x)           0
659 #define VecLockGet(x, s)            *(s) = 0
660 #define VecSetErrorIfLocked(x, arg) 0
661 #define VecLockWriteSet(x, flg)     0
662 /* The three are deprecated */
663 #define VecLockPush(x)              0
664 #define VecLockPop(x)               0
665 #define VecLocked(x, arg)           0
666 #endif
667 
668 PETSC_EXTERN PetscErrorCode VecValidValues(Vec, PetscInt, PetscBool);
669 
670 /*
671     These numbers need to match the entries in
672   the function table in vecimpl.h
673 */
674 typedef enum {
675   VECOP_DUPLICATE  = 0,
676   VECOP_VIEW       = 33,
677   VECOP_LOAD       = 41,
678   VECOP_VIEWNATIVE = 68,
679   VECOP_LOADNATIVE = 69
680 } VecOperation;
681 PETSC_EXTERN PetscErrorCode VecSetOperation(Vec, VecOperation, void (*)(void));
682 
683 /*
684      Routines for dealing with ghosted vectors:
685   vectors with ghost elements at the end of the array.
686 */
687 PETSC_EXTERN PetscErrorCode VecMPISetGhost(Vec, PetscInt, const PetscInt[]);
688 PETSC_EXTERN PetscErrorCode VecCreateGhost(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], Vec *);
689 PETSC_EXTERN PetscErrorCode VecCreateGhostWithArray(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscInt[], const PetscScalar[], Vec *);
690 PETSC_EXTERN PetscErrorCode VecCreateGhostBlock(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], Vec *);
691 PETSC_EXTERN PetscErrorCode VecCreateGhostBlockWithArray(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, const PetscInt[], const PetscScalar[], Vec *);
692 PETSC_EXTERN PetscErrorCode VecGhostGetLocalForm(Vec, Vec *);
693 PETSC_EXTERN PetscErrorCode VecGhostRestoreLocalForm(Vec, Vec *);
694 PETSC_EXTERN PetscErrorCode VecGhostIsLocalForm(Vec, Vec, PetscBool *);
695 PETSC_EXTERN PetscErrorCode VecGhostUpdateBegin(Vec, InsertMode, ScatterMode);
696 PETSC_EXTERN PetscErrorCode VecGhostUpdateEnd(Vec, InsertMode, ScatterMode);
697 
698 PETSC_EXTERN PetscErrorCode VecConjugate(Vec);
699 PETSC_EXTERN PetscErrorCode VecImaginaryPart(Vec);
700 PETSC_EXTERN PetscErrorCode VecRealPart(Vec);
701 
702 PETSC_EXTERN PetscErrorCode VecScatterCreateToAll(Vec, VecScatter *, Vec *);
703 PETSC_EXTERN PetscErrorCode VecScatterCreateToZero(Vec, VecScatter *, Vec *);
704 
705 PETSC_EXTERN PetscErrorCode ISComplementVec(IS, Vec, IS *);
706 PETSC_EXTERN PetscErrorCode VecPow(Vec, PetscScalar);
707 PETSC_EXTERN PetscErrorCode VecMedian(Vec, Vec, Vec, Vec);
708 PETSC_EXTERN PetscErrorCode VecWhichInactive(Vec, Vec, Vec, Vec, PetscBool, IS *);
709 PETSC_EXTERN PetscErrorCode VecWhichBetween(Vec, Vec, Vec, IS *);
710 PETSC_EXTERN PetscErrorCode VecWhichBetweenOrEqual(Vec, Vec, Vec, IS *);
711 PETSC_EXTERN PetscErrorCode VecWhichGreaterThan(Vec, Vec, IS *);
712 PETSC_EXTERN PetscErrorCode VecWhichLessThan(Vec, Vec, IS *);
713 PETSC_EXTERN PetscErrorCode VecWhichEqual(Vec, Vec, IS *);
714 PETSC_EXTERN PetscErrorCode VecISAXPY(Vec, IS, PetscScalar, Vec);
715 PETSC_EXTERN PetscErrorCode VecISCopy(Vec, IS, ScatterMode, Vec);
716 PETSC_EXTERN PetscErrorCode VecISSet(Vec, IS, PetscScalar);
717 PETSC_EXTERN PetscErrorCode VecBoundGradientProjection(Vec, Vec, Vec, Vec, Vec);
718 PETSC_EXTERN PetscErrorCode VecStepBoundInfo(Vec, Vec, Vec, Vec, PetscReal *, PetscReal *, PetscReal *);
719 PETSC_EXTERN PetscErrorCode VecStepMax(Vec, Vec, PetscReal *);
720 PETSC_EXTERN PetscErrorCode VecStepMaxBounded(Vec, Vec, Vec, Vec, PetscReal *);
721 
722 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaGetVector(PetscViewer, Vec);
723 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutVector(PetscViewer, Vec);
724 
725 /*S
726      Vecs - Collection of vectors where the data for the vectors is stored in
727             one contiguous memory
728 
729    Level: advanced
730 
731    Notes:
732     Temporary construct for handling multiply right hand side solves
733 
734     This is faked by storing a single vector that has enough array space for
735     n vectors
736 
737 S*/
738 struct _n_Vecs {
739   PetscInt n;
740   Vec      v;
741 };
742 typedef struct _n_Vecs     *Vecs;
743 PETSC_EXTERN PetscErrorCode VecsDestroy(Vecs);
744 PETSC_EXTERN PetscErrorCode VecsCreateSeq(MPI_Comm, PetscInt, PetscInt, Vecs *);
745 PETSC_EXTERN PetscErrorCode VecsCreateSeqWithArray(MPI_Comm, PetscInt, PetscInt, PetscScalar *, Vecs *);
746 PETSC_EXTERN PetscErrorCode VecsDuplicate(Vecs, Vecs *);
747 
748 #if defined(PETSC_HAVE_VIENNACL)
749 typedef struct _p_PetscViennaCLIndices *PetscViennaCLIndices;
750 PETSC_EXTERN PetscErrorCode             PetscViennaCLIndicesCreate(PetscInt, PetscInt *, PetscInt, PetscInt *, PetscViennaCLIndices *);
751 PETSC_EXTERN PetscErrorCode             PetscViennaCLIndicesDestroy(PetscViennaCLIndices *);
752 PETSC_EXTERN PetscErrorCode             VecViennaCLCopyToGPUSome_Public(Vec, PetscViennaCLIndices);
753 PETSC_EXTERN PetscErrorCode             VecViennaCLCopyFromGPUSome_Public(Vec, PetscViennaCLIndices);
754 PETSC_EXTERN PetscErrorCode             VecCreateSeqViennaCL(MPI_Comm, PetscInt, Vec *);
755 PETSC_EXTERN PetscErrorCode             VecCreateMPIViennaCL(MPI_Comm, PetscInt, PetscInt, Vec *);
756 #endif
757 #if defined(PETSC_HAVE_CUDA) || defined(PETSC_HAVE_HIP)
758 PETSC_EXTERN PetscErrorCode VecScatterInitializeForGPU(VecScatter, Vec);
759 PETSC_EXTERN PetscErrorCode VecScatterFinalizeForGPU(VecScatter);
760 #endif
761 #if defined(PETSC_HAVE_CUDA)
762 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDA(MPI_Comm, PetscInt, Vec *);
763 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDAWithArray(MPI_Comm, PetscInt, PetscInt, const PetscScalar *, Vec *);
764 PETSC_EXTERN PetscErrorCode VecCreateSeqCUDAWithArrays(MPI_Comm, PetscInt, PetscInt, const PetscScalar *, const PetscScalar *, Vec *);
765 PETSC_EXTERN PetscErrorCode VecCreateMPICUDA(MPI_Comm, PetscInt, PetscInt, Vec *);
766 PETSC_EXTERN PetscErrorCode VecCreateMPICUDAWithArray(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscScalar *, Vec *);
767 PETSC_EXTERN PetscErrorCode VecCreateMPICUDAWithArrays(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscScalar *, const PetscScalar *, Vec *);
768 #endif
769 #if defined(PETSC_HAVE_HIP)
770 PETSC_EXTERN PetscErrorCode VecCreateSeqHIP(MPI_Comm, PetscInt, Vec *);
771 PETSC_EXTERN PetscErrorCode VecCreateSeqHIPWithArray(MPI_Comm, PetscInt, PetscInt, const PetscScalar *, Vec *);
772 PETSC_EXTERN PetscErrorCode VecCreateSeqHIPWithArrays(MPI_Comm, PetscInt, PetscInt, const PetscScalar *, const PetscScalar *, Vec *);
773 PETSC_EXTERN PetscErrorCode VecCreateMPIHIP(MPI_Comm, PetscInt, PetscInt, Vec *);
774 PETSC_EXTERN PetscErrorCode VecCreateMPIHIPWithArray(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscScalar *, Vec *);
775 PETSC_EXTERN PetscErrorCode VecCreateMPIHIPWithArrays(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscScalar *, const PetscScalar *, Vec *);
776 #endif
777 #if defined(PETSC_HAVE_KOKKOS_KERNELS)
778 PETSC_EXTERN PetscErrorCode VecCreateSeqKokkos(MPI_Comm, PetscInt, Vec *);
779 PETSC_EXTERN PetscErrorCode VecCreateSeqKokkosWithArray(MPI_Comm, PetscInt, PetscInt, const PetscScalar *, Vec *);
780 PETSC_EXTERN PetscErrorCode VecCreateMPIKokkos(MPI_Comm, PetscInt, PetscInt, Vec *);
781 PETSC_EXTERN PetscErrorCode VecCreateMPIKokkosWithArray(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscScalar *, Vec *);
782 #endif
783 
784 PETSC_EXTERN PetscErrorCode VecNestGetSubVecs(Vec, PetscInt *, Vec **);
785 PETSC_EXTERN PetscErrorCode VecNestGetSubVec(Vec, PetscInt, Vec *);
786 PETSC_EXTERN PetscErrorCode VecNestSetSubVecs(Vec, PetscInt, PetscInt *, Vec *);
787 PETSC_EXTERN PetscErrorCode VecNestSetSubVec(Vec, PetscInt, Vec);
788 PETSC_EXTERN PetscErrorCode VecCreateNest(MPI_Comm, PetscInt, IS *, Vec *, Vec *);
789 PETSC_EXTERN PetscErrorCode VecNestGetSize(Vec, PetscInt *);
790 
791 PETSC_EXTERN PetscErrorCode PetscOptionsGetVec(PetscOptions, const char[], const char[], Vec, PetscBool *);
792 PETSC_EXTERN PetscErrorCode VecChop(Vec, PetscReal);
793 
794 PETSC_EXTERN PetscErrorCode VecGetLayout(Vec, PetscLayout *);
795 PETSC_EXTERN PetscErrorCode VecSetLayout(Vec, PetscLayout);
796 
797 PETSC_EXTERN PetscErrorCode PetscSectionVecView(PetscSection, Vec, PetscViewer);
798 PETSC_EXTERN PetscErrorCode VecGetValuesSection(Vec, PetscSection, PetscInt, PetscScalar **);
799 PETSC_EXTERN PetscErrorCode VecSetValuesSection(Vec, PetscSection, PetscInt, PetscScalar[], InsertMode);
800 PETSC_EXTERN PetscErrorCode PetscSectionVecNorm(PetscSection, PetscSection, Vec, NormType, PetscReal[]);
801 
802 /*S
803   VecTagger - Object used to manage the tagging of a subset of indices based on the values of a vector.  The
804               motivating application is the selection of cells for refinement or coarsening based on vector containing
805               the values in an error indicator metric.
806 
807   Level: advanced
808 
809   Developer Note:
810   Why not use a `DMLabel` or similar object
811 
812 S*/
813 typedef struct _p_VecTagger *VecTagger;
814 
815 /*J
816   VecTaggerType - String with the name of a `VecTagger` type
817 
818   Level: advanced
819 J*/
820 typedef const char *VecTaggerType;
821 /* tag where the vector values are in a box of explicitly defined values */
822 #define VECTAGGERABSOLUTE "absolute"
823 /* tag where the vector values are in a box of values relative to the set of all values in the vector */
824 #define VECTAGGERRELATIVE "relative"
825 /* tag where the vector values are in a relative range of the *cumulative distribution* of values in the vector */
826 #define VECTAGGERCDF "cdf"
827 /* tag a vector as the union of other tags */
828 #define VECTAGGEROR "or"
829 /* tag a vector as the intersection of other tags */
830 #define VECTAGGERAND "and"
831 
832 PETSC_EXTERN PetscClassId      VEC_TAGGER_CLASSID;
833 PETSC_EXTERN PetscFunctionList VecTaggerList;
834 PETSC_EXTERN PetscErrorCode    VecTaggerRegister(const char[], PetscErrorCode (*)(VecTagger));
835 
836 PETSC_EXTERN PetscErrorCode VecTaggerCreate(MPI_Comm, VecTagger *);
837 PETSC_EXTERN PetscErrorCode VecTaggerSetBlockSize(VecTagger, PetscInt);
838 PETSC_EXTERN PetscErrorCode VecTaggerGetBlockSize(VecTagger, PetscInt *);
839 PETSC_EXTERN PetscErrorCode VecTaggerSetType(VecTagger, VecTaggerType);
840 PETSC_EXTERN PetscErrorCode VecTaggerGetType(VecTagger, VecTaggerType *);
841 PETSC_EXTERN PetscErrorCode VecTaggerSetInvert(VecTagger, PetscBool);
842 PETSC_EXTERN PetscErrorCode VecTaggerGetInvert(VecTagger, PetscBool *);
843 PETSC_EXTERN PetscErrorCode VecTaggerSetFromOptions(VecTagger);
844 PETSC_EXTERN PetscErrorCode VecTaggerSetUp(VecTagger);
845 PETSC_EXTERN PetscErrorCode VecTaggerView(VecTagger, PetscViewer);
846 PETSC_EXTERN PetscErrorCode VecTaggerComputeIS(VecTagger, Vec, IS *, PetscBool *);
847 PETSC_EXTERN PetscErrorCode VecTaggerDestroy(VecTagger *);
848 
849 /*S
850    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
851    such that real(min) <= real(z) <= real(max) and imag(min) <= imag(z) <= imag(max).  INF is an acceptable endpoint.
852 
853    Level: beginner
854 
855 .seealso: `VecTaggerComputeIntervals()`
856 S*/
857 typedef struct {
858   PetscScalar min;
859   PetscScalar max;
860 } VecTaggerBox;
861 PETSC_EXTERN PetscErrorCode VecTaggerComputeBoxes(VecTagger, Vec, PetscInt *, VecTaggerBox **, PetscBool *);
862 
863 PETSC_EXTERN PetscErrorCode VecTaggerAbsoluteSetBox(VecTagger, VecTaggerBox *);
864 PETSC_EXTERN PetscErrorCode VecTaggerAbsoluteGetBox(VecTagger, const VecTaggerBox **);
865 
866 PETSC_EXTERN PetscErrorCode VecTaggerRelativeSetBox(VecTagger, VecTaggerBox *);
867 PETSC_EXTERN PetscErrorCode VecTaggerRelativeGetBox(VecTagger, const VecTaggerBox **);
868 
869 PETSC_EXTERN PetscErrorCode VecTaggerCDFSetBox(VecTagger, VecTaggerBox *);
870 PETSC_EXTERN PetscErrorCode VecTaggerCDFGetBox(VecTagger, const VecTaggerBox **);
871 
872 /*E
873   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).
874   Relevant only in parallel: in serial it is directly computed.
875 
876   Level: advanced
877 
878 .seealso: `VecTaggerCDFSetMethod()`, `VecTaggerCDFMethods`
879 E*/
880 typedef enum {
881   VECTAGGER_CDF_GATHER,
882   VECTAGGER_CDF_ITERATIVE,
883   VECTAGGER_CDF_NUM_METHODS
884 } VecTaggerCDFMethod;
885 PETSC_EXTERN const char *const VecTaggerCDFMethods[];
886 
887 PETSC_EXTERN PetscErrorCode VecTaggerCDFSetMethod(VecTagger, VecTaggerCDFMethod);
888 PETSC_EXTERN PetscErrorCode VecTaggerCDFGetMethod(VecTagger, VecTaggerCDFMethod *);
889 PETSC_EXTERN PetscErrorCode VecTaggerCDFIterativeSetTolerances(VecTagger, PetscInt, PetscReal, PetscReal);
890 PETSC_EXTERN PetscErrorCode VecTaggerCDFIterativeGetTolerances(VecTagger, PetscInt *, PetscReal *, PetscReal *);
891 
892 PETSC_EXTERN PetscErrorCode VecTaggerOrSetSubs(VecTagger, PetscInt, VecTagger *, PetscCopyMode);
893 PETSC_EXTERN PetscErrorCode VecTaggerOrGetSubs(VecTagger, PetscInt *, VecTagger **);
894 
895 PETSC_EXTERN PetscErrorCode VecTaggerAndSetSubs(VecTagger, PetscInt, VecTagger *, PetscCopyMode);
896 PETSC_EXTERN PetscErrorCode VecTaggerAndGetSubs(VecTagger, PetscInt *, VecTagger **);
897 
898 PETSC_EXTERN PetscErrorCode VecTaggerInitializePackage(void);
899 PETSC_EXTERN PetscErrorCode VecTaggerFinalizePackage(void);
900 
901 #endif
902