Actual source code: petscvec.h
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: */
7: #ifndef __PETSCVEC_H
9: #include petscis.h
10: #include petscsys.h
13: /*S
14: Vec - Abstract PETSc vector object
16: Level: beginner
18: Concepts: field variables, unknowns, arrays
20: .seealso: VecCreate(), VecType, VecSetType()
21: S*/
22: typedef struct _p_Vec* Vec;
24: /*S
25: VecScatter - Object used to manage communication of data
26: between vectors in parallel. Manages both scatters and gathers
28: Level: beginner
30: Concepts: scatter
32: .seealso: VecScatterCreate(), VecScatterBegin(), VecScatterEnd()
33: S*/
34: typedef struct _p_VecScatter* VecScatter;
36: /*E
37: VecType - String with the name of a PETSc vector or the creation function
38: with an optional dynamic library name, for example
39: http://www.mcs.anl.gov/petsc/lib.a:myveccreate()
41: Level: beginner
43: .seealso: VecSetType(), Vec
44: E*/
45: #define VECSEQ "seq"
46: #define VECMPI "mpi"
47: #define VECFETI "feti"
48: #define VECSHARED "shared"
49: #define VECSIEVE "sieve"
50: #define VecType const char*
52: /* Logging support */
53: #define VEC_FILE_COOKIE 1211214
57: EXTERN PetscErrorCode VecInitializePackage(char *);
59: EXTERN PetscErrorCode VecCreate(MPI_Comm,Vec*);
60: PetscPolymorphicSubroutine(VecCreate,(Vec *x),(PETSC_COMM_SELF,x))
61: EXTERN PetscErrorCode VecCreateSeq(MPI_Comm,PetscInt,Vec*);
62: PetscPolymorphicSubroutine(VecCreateSeq,(PetscInt n,Vec *x),(PETSC_COMM_SELF,n,x))
63: EXTERN PetscErrorCode VecCreateMPI(MPI_Comm,PetscInt,PetscInt,Vec*);
64: PetscPolymorphicSubroutine(VecCreateMPI,(PetscInt n,PetscInt N,Vec *x),(PETSC_COMM_WORLD,n,N,x))
65: EXTERN PetscErrorCode VecCreateSeqWithArray(MPI_Comm,PetscInt,const PetscScalar[],Vec*);
66: PetscPolymorphicSubroutine(VecCreateSeqWithArray,(PetscInt n,PetscScalar s[],Vec *x),(PETSC_COMM_SELF,n,s,x))
67: EXTERN PetscErrorCode VecCreateMPIWithArray(MPI_Comm,PetscInt,PetscInt,const PetscScalar[],Vec*);
68: PetscPolymorphicSubroutine(VecCreateMPIWithArray,(PetscInt n,PetscInt N,PetscScalar s[],Vec *x),(PETSC_COMM_WORLD,n,N,s,x))
69: EXTERN PetscErrorCode VecCreateShared(MPI_Comm,PetscInt,PetscInt,Vec*);
70: EXTERN PetscErrorCode VecSetFromOptions(Vec);
71: EXTERN PetscErrorCode VecSetUp(Vec);
72: EXTERN PetscErrorCode VecDestroy(Vec);
73: EXTERN PetscErrorCode VecZeroEntries(Vec);
74: EXTERN PetscErrorCode VecSetOptionsPrefix(Vec,const char[]);
75: EXTERN PetscErrorCode VecAppendOptionsPrefix(Vec,const char[]);
76: EXTERN PetscErrorCode VecGetOptionsPrefix(Vec,const char*[]);
78: EXTERN PetscErrorCode VecSetSizes(Vec,PetscInt,PetscInt);
80: EXTERN PetscErrorCode VecDot(Vec,Vec,PetscScalar*);
81: PetscPolymorphicFunction(VecDot,(Vec x,Vec y),(x,y,&s),PetscScalar,s)
82: EXTERN PetscErrorCode VecTDot(Vec,Vec,PetscScalar*);
83: PetscPolymorphicFunction(VecTDot,(Vec x,Vec y),(x,y,&s),PetscScalar,s)
84: EXTERN PetscErrorCode VecMDot(Vec,PetscInt,const Vec[],PetscScalar*);
85: EXTERN PetscErrorCode VecMTDot(Vec,PetscInt,const Vec[],PetscScalar*);
87: /*E
88: NormType - determines what type of norm to compute
90: Level: beginner
92: .seealso: VecNorm(), VecNormBegin(), VecNormEnd(), MatNorm()
93: E*/
94: typedef enum {NORM_1=0,NORM_2=1,NORM_FROBENIUS=2,NORM_INFINITY=3,NORM_1_AND_2=4} NormType;
96: #define NORM_MAX NORM_INFINITY
98: /*MC
99: NORM_1 - the one norm, ||v|| = sum_i | v_i |. ||A|| = max_j || v_*j ||, maximum column sum
101: Level: beginner
103: .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_2, NORM_FROBENIUS,
104: NORM_INFINITY, NORM_1_AND_2
106: M*/
108: /*MC
109: NORM_2 - the two norm, ||v|| = sqrt(sum_i (v_i)^2) (vectors only)
111: Level: beginner
113: .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_FROBENIUS,
114: NORM_INFINITY, NORM_1_AND_2
116: M*/
118: /*MC
119: NORM_FROBENIUS - ||A|| = sqrt(sum_ij (A_ij)^2), same as NORM_2 for vectors
121: Level: beginner
123: .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2,
124: NORM_INFINITY, NORM_1_AND_2
126: M*/
128: /*MC
129: NORM_INFINITY - ||v|| = max_i |v_i|. ||A|| = max_i || v_i* ||, maximum row sum
131: Level: beginner
133: .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2,
134: NORM_FROBINIUS, NORM_1_AND_2
136: M*/
138: /*MC
139: NORM_1_AND_2 - computes both the 1 and 2 norm of a vector
141: Level: beginner
143: .seealso: NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_2,
144: NORM_FROBINIUS, NORM_INFINITY
146: M*/
148: /*MC
149: NORM_MAX - see NORM_INFINITY
151: Level: beginner
153: M*/
155: EXTERN PetscErrorCode VecNorm(Vec,NormType,PetscReal *);
156: PetscPolymorphicSubroutine(VecNorm,(Vec x,PetscReal *r),(x,NORM_2,r))
157: PetscPolymorphicFunction(VecNorm,(Vec x,NormType t),(x,t,&r),PetscReal,r)
158: PetscPolymorphicFunction(VecNorm,(Vec x),(x,NORM_2,&r),PetscReal,r)
159: EXTERN PetscErrorCode VecNormalize(Vec,PetscReal *);
160: EXTERN PetscErrorCode VecSum(Vec,PetscScalar*);
161: EXTERN PetscErrorCode VecMax(Vec,PetscInt*,PetscReal *);
162: PetscPolymorphicSubroutine(VecMax,(Vec x,PetscReal *r),(x,PETSC_NULL,r))
163: EXTERN PetscErrorCode VecMin(Vec,PetscInt*,PetscReal *);
164: PetscPolymorphicSubroutine(VecMin,(Vec x,PetscReal *r),(x,PETSC_NULL,r))
165: EXTERN PetscErrorCode VecScale(Vec v,PetscScalar a);
166: EXTERN PetscErrorCode VecCopy(Vec,Vec);
167: EXTERN PetscErrorCode VecSetRandom(Vec,PetscRandom);
168: EXTERN PetscErrorCode VecSet(Vec,PetscScalar);
169: EXTERN PetscErrorCode VecSwap(Vec,Vec);
170: EXTERN PetscErrorCode VecAXPY(Vec,PetscScalar,Vec);
171: EXTERN PetscErrorCode VecAXPBY(Vec,PetscScalar,PetscScalar,Vec);
172: EXTERN PetscErrorCode VecMAXPY(Vec,PetscInt,const PetscScalar[],Vec*);
173: EXTERN PetscErrorCode VecAYPX(Vec,PetscScalar,Vec);
174: EXTERN PetscErrorCode VecWAXPY(Vec,PetscScalar,Vec,Vec);
175: EXTERN PetscErrorCode VecPointwiseMax(Vec,Vec,Vec);
176: PetscPolymorphicSubroutine(VecPointwiseMax,(Vec x,Vec y),(x,y,y))
177: EXTERN PetscErrorCode VecPointwiseMaxAbs(Vec,Vec,Vec);
178: PetscPolymorphicSubroutine(VecPointwiseMaxAbs,(Vec x,Vec y),(x,y,y))
179: EXTERN PetscErrorCode VecPointwiseMin(Vec,Vec,Vec);
180: PetscPolymorphicSubroutine(VecPointwiseMin,(Vec x,Vec y),(x,y,y))
181: EXTERN PetscErrorCode VecPointwiseMult(Vec,Vec,Vec);
182: PetscPolymorphicSubroutine(VecPointwiseMult,(Vec x,Vec y),(x,y,y))
183: EXTERN PetscErrorCode VecPointwiseDivide(Vec,Vec,Vec);
184: PetscPolymorphicSubroutine(VecPointwiseDivide,(Vec x,Vec y),(x,y,y))
185: EXTERN PetscErrorCode VecMaxPointwiseDivide(Vec,Vec,PetscReal*);
186: EXTERN PetscErrorCode VecShift(Vec,PetscScalar);
187: EXTERN PetscErrorCode VecReciprocal(Vec);
188: EXTERN PetscErrorCode VecPermute(Vec, IS, PetscTruth);
189: EXTERN PetscErrorCode VecSqrt(Vec);
190: EXTERN PetscErrorCode VecAbs(Vec);
191: EXTERN PetscErrorCode VecDuplicate(Vec,Vec*);
192: EXTERN PetscErrorCode VecDuplicateVecs(Vec,PetscInt,Vec*[]);
193: EXTERN PetscErrorCode VecDestroyVecs(Vec[],PetscInt);
194: EXTERN PetscErrorCode VecStrideNormAll(Vec,NormType,PetscReal*);
195: EXTERN PetscErrorCode VecStrideMaxAll(Vec,PetscInt *,PetscReal *);
196: EXTERN PetscErrorCode VecStrideMinAll(Vec,PetscInt *,PetscReal *);
197: EXTERN PetscErrorCode VecStrideScaleAll(Vec,PetscScalar*);
199: EXTERN PetscErrorCode VecStrideNorm(Vec,PetscInt,NormType,PetscReal*);
200: PetscPolymorphicFunction(VecStrideNorm,(Vec x,PetscInt i),(x,i,NORM_2,&r),PetscReal,r)
201: PetscPolymorphicFunction(VecStrideNorm,(Vec x,PetscInt i,NormType t),(x,i,t,&r),PetscReal,r)
202: EXTERN PetscErrorCode VecStrideMax(Vec,PetscInt,PetscInt *,PetscReal *);
203: PetscPolymorphicFunction(VecStrideMax,(Vec x,PetscInt i),(x,i,PETSC_NULL,&r),PetscReal,r)
204: EXTERN PetscErrorCode VecStrideMin(Vec,PetscInt,PetscInt *,PetscReal *);
205: PetscPolymorphicFunction(VecStrideMin,(Vec x,PetscInt i),(x,i,PETSC_NULL,&r),PetscReal,r)
206: EXTERN PetscErrorCode VecStrideScale(Vec,PetscInt,PetscScalar*);
207: PetscPolymorphicScalar(VecStrideScale,(Vec x,PetscInt i,PetscScalar _val),(x,i,&_Val))
210: EXTERN PetscErrorCode VecStrideGather(Vec,PetscInt,Vec,InsertMode);
211: EXTERN PetscErrorCode VecStrideScatter(Vec,PetscInt,Vec,InsertMode);
212: EXTERN PetscErrorCode VecStrideGatherAll(Vec,Vec*,InsertMode);
213: EXTERN PetscErrorCode VecStrideScatterAll(Vec*,Vec,InsertMode);
215: EXTERN PetscErrorCode VecSetValues(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
216: EXTERN PetscErrorCode VecGetValues(Vec,PetscInt,const PetscInt[],PetscScalar[]);
217: EXTERN PetscErrorCode VecAssemblyBegin(Vec);
218: EXTERN PetscErrorCode VecAssemblyEnd(Vec);
219: EXTERN PetscErrorCode VecStashSetInitialSize(Vec,PetscInt,PetscInt);
220: EXTERN PetscErrorCode VecStashView(Vec,PetscViewer);
221: EXTERN PetscErrorCode VecStashGetInfo(Vec,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
223: /*MC
224: VecSetValue - Set a single entry into a vector.
226: Synopsis:
227: PetscErrorCode VecSetValue(Vec v,int row,PetscScalar value, InsertMode mode);
229: Not Collective
231: Input Parameters:
232: + v - the vector
233: . row - the row location of the entry
234: . value - the value to insert
235: - mode - either INSERT_VALUES or ADD_VALUES
237: Notes:
238: For efficiency one should use VecSetValues() and set several or
239: many values simultaneously if possible.
241: These values may be cached, so VecAssemblyBegin() and VecAssemblyEnd()
242: MUST be called after all calls to VecSetValues() have been completed.
244: VecSetValues() uses 0-based indices in Fortran as well as in C.
246: Level: beginner
248: .seealso: VecSetValues(), VecAssemblyBegin(), VecAssemblyEnd(), VecSetValuesBlockedLocal(), VecSetValueLocal()
249: M*/
250: PETSC_STATIC_INLINE PetscErrorCode VecSetValue(Vec v,PetscInt i,PetscScalar va,InsertMode mode) {return VecSetValues(v,1,&i,&va,mode);}
253: EXTERN PetscErrorCode VecSetBlockSize(Vec,PetscInt);
254: EXTERN PetscErrorCode VecGetBlockSize(Vec,PetscInt*);
255: PetscPolymorphicFunction(VecGetBlockSize,(Vec x),(x,&i),PetscInt,i)
256: EXTERN PetscErrorCode VecSetValuesBlocked(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
258: /* Dynamic creation and loading functions */
261: EXTERN PetscErrorCode VecSetType(Vec, VecType);
262: EXTERN PetscErrorCode VecGetType(Vec, VecType *);
263: EXTERN PetscErrorCode VecRegister(const char[],const char[],const char[],PetscErrorCode (*)(Vec));
264: EXTERN PetscErrorCode VecRegisterAll(const char []);
265: EXTERN PetscErrorCode VecRegisterDestroy(void);
267: /*MC
268: VecRegisterDynamic - Adds a new vector component implementation
270: Synopsis:
271: PetscErrorCode VecRegisterDynamic(char *name, char *path, char *func_name, PetscErrorCode (*create_func)(Vec))
273: Not Collective
275: Input Parameters:
276: + name - The name of a new user-defined creation routine
277: . path - The path (either absolute or relative) of the library containing this routine
278: . func_name - The name of routine to create method context
279: - create_func - The creation routine itself
281: Notes:
282: VecRegisterDynamic() may be called multiple times to add several user-defined vectors
284: If dynamic libraries are used, then the fourth input argument (routine_create) is ignored.
286: Sample usage:
287: .vb
288: VecRegisterDynamic("my_vec","/home/username/my_lib/lib/libO/solaris/libmy.a", "MyVectorCreate", MyVectorCreate);
289: .ve
291: Then, your vector type can be chosen with the procedural interface via
292: .vb
293: VecCreate(MPI_Comm, Vec *);
294: VecSetType(Vec,"my_vector_name");
295: .ve
296: or at runtime via the option
297: .vb
298: -vec_type my_vector_name
299: .ve
301: Notes: $PETSC_ARCH occuring in pathname will be replaced with appropriate values.
302: If your function is not being put into a shared library then use VecRegister() instead
303:
304: Level: advanced
306: .keywords: Vec, register
307: .seealso: VecRegisterAll(), VecRegisterDestroy(), VecRegister()
308: M*/
309: #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
310: #define VecRegisterDynamic(a,b,c,d) VecRegister(a,b,c,0)
311: #else
312: #define VecRegisterDynamic(a,b,c,d) VecRegister(a,b,c,d)
313: #endif
316: EXTERN PetscErrorCode VecScatterCreate(Vec,IS,Vec,IS,VecScatter *);
317: PetscPolymorphicFunction(VecScatterCreate,(Vec x,IS is1,Vec y,IS is2),(x,is1,y,is2,&s),VecScatter,s)
318: PetscPolymorphicSubroutine(VecScatterCreate,(Vec x,IS is,Vec y,VecScatter *s),(x,is,y,PETSC_NULL,s))
319: PetscPolymorphicFunction(VecScatterCreate,(Vec x,IS is,Vec y),(x,is,y,PETSC_NULL,&s),VecScatter,s)
320: PetscPolymorphicSubroutine(VecScatterCreate,(Vec x,Vec y,IS is,VecScatter *s),(x,PETSC_NULL,y,is,s))
321: PetscPolymorphicFunction(VecScatterCreate,(Vec x,Vec y,IS is),(x,PETSC_NULL,y,is,&s),VecScatter,s)
322: EXTERN PetscErrorCode VecScatterCreateEmpty(MPI_Comm,VecScatter *);
323: EXTERN PetscErrorCode VecScatterCreateLocal_PtoS(int,int[],int[],int[],int,int[],int[],int[],PetscInt,VecScatter);
324: EXTERN PetscErrorCode VecScatterBegin(Vec,Vec,InsertMode,ScatterMode,VecScatter);
325: EXTERN PetscErrorCode VecScatterEnd(Vec,Vec,InsertMode,ScatterMode,VecScatter);
326: EXTERN PetscErrorCode VecScatterDestroy(VecScatter);
327: EXTERN PetscErrorCode VecScatterCopy(VecScatter,VecScatter *);
328: EXTERN PetscErrorCode VecScatterView(VecScatter,PetscViewer);
329: EXTERN PetscErrorCode VecScatterRemap(VecScatter,PetscInt *,PetscInt*);
330: EXTERN PetscErrorCode VecScatterGetMerged(VecScatter,PetscTruth*);
332: EXTERN PetscErrorCode VecGetArray_Private(Vec,PetscScalar*[]);
333: EXTERN PetscErrorCode VecRestoreArray_Private(Vec,PetscScalar*[]);
334: EXTERN PetscErrorCode VecGetArray4d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]);
335: EXTERN PetscErrorCode VecRestoreArray4d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar****[]);
336: EXTERN PetscErrorCode VecGetArray3d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]);
337: EXTERN PetscErrorCode VecRestoreArray3d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar***[]);
338: EXTERN PetscErrorCode VecGetArray2d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]);
339: EXTERN PetscErrorCode VecRestoreArray2d(Vec,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar**[]);
340: EXTERN PetscErrorCode VecGetArray1d(Vec,PetscInt,PetscInt,PetscScalar *[]);
341: EXTERN PetscErrorCode VecRestoreArray1d(Vec,PetscInt,PetscInt,PetscScalar *[]);
343: EXTERN PetscErrorCode VecPlaceArray(Vec,const PetscScalar[]);
344: EXTERN PetscErrorCode VecResetArray(Vec);
345: EXTERN PetscErrorCode VecReplaceArray(Vec,const PetscScalar[]);
346: EXTERN PetscErrorCode VecGetArrays(const Vec[],PetscInt,PetscScalar**[]);
347: EXTERN PetscErrorCode VecRestoreArrays(const Vec[],PetscInt,PetscScalar**[]);
349: EXTERN PetscErrorCode VecValid(Vec,PetscTruth*);
350: EXTERN PetscErrorCode VecView(Vec,PetscViewer);
351: EXTERN PetscErrorCode VecViewFromOptions(Vec, char *);
352: EXTERN PetscErrorCode VecEqual(Vec,Vec,PetscTruth*);
353: PetscPolymorphicFunction(VecEqual,(Vec x,Vec y),(x,y,&s),PetscTruth,s)
354: EXTERN PetscErrorCode VecLoad(PetscViewer,VecType,Vec*);
355: EXTERN PetscErrorCode VecLoadIntoVector(PetscViewer,Vec);
357: EXTERN PetscErrorCode VecGetSize(Vec,PetscInt*);
358: PetscPolymorphicFunction(VecGetSize,(Vec x),(x,&s),PetscInt,s)
359: EXTERN PetscErrorCode VecGetLocalSize(Vec,PetscInt*);
360: PetscPolymorphicFunction(VecGetLocalSize,(Vec x),(x,&s),PetscInt,s)
361: EXTERN PetscErrorCode VecGetOwnershipRange(Vec,PetscInt*,PetscInt*);
363: EXTERN PetscErrorCode VecSetLocalToGlobalMapping(Vec,ISLocalToGlobalMapping);
364: EXTERN PetscErrorCode VecSetValuesLocal(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
366: /*MC
367: VecSetValueLocal - Set a single entry into a vector using the local numbering
369: Synopsis:
370: PetscErrorCode VecSetValueLocal(Vec v,int row,PetscScalar value, InsertMode mode);
372: Not Collective
374: Input Parameters:
375: + v - the vector
376: . row - the row location of the entry
377: . value - the value to insert
378: - mode - either INSERT_VALUES or ADD_VALUES
380: Notes:
381: For efficiency one should use VecSetValues() and set several or
382: many values simultaneously if possible.
384: These values may be cached, so VecAssemblyBegin() and VecAssemblyEnd()
385: MUST be called after all calls to VecSetValues() have been completed.
387: VecSetValues() uses 0-based indices in Fortran as well as in C.
389: Level: beginner
391: .seealso: VecSetValues(), VecAssemblyBegin(), VecAssemblyEnd(), VecSetValuesBlockedLocal(), VecSetValue()
392: M*/
393: PETSC_STATIC_INLINE PetscErrorCode VecSetValueLocal(Vec v,PetscInt i,PetscScalar va,InsertMode mode) {return VecSetValuesLocal(v,1,&i,&va,mode);}
395: EXTERN PetscErrorCode VecSetLocalToGlobalMappingBlock(Vec,ISLocalToGlobalMapping);
396: EXTERN PetscErrorCode VecSetValuesBlockedLocal(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
398: EXTERN PetscErrorCode VecDotBegin(Vec,Vec,PetscScalar *);
399: PetscPolymorphicSubroutine(VecDotBegin,(Vec x,Vec y),(x,y,PETSC_NULL))
400: EXTERN PetscErrorCode VecDotEnd(Vec,Vec,PetscScalar *);
401: PetscPolymorphicFunction(VecDotEnd,(Vec x,Vec y),(x,y,&s),PetscScalar,s)
402: EXTERN PetscErrorCode VecTDotBegin(Vec,Vec,PetscScalar *);
403: PetscPolymorphicSubroutine(VecTDotBegin,(Vec x,Vec y),(x,y,PETSC_NULL))
404: EXTERN PetscErrorCode VecTDotEnd(Vec,Vec,PetscScalar *);
405: PetscPolymorphicFunction(VecTDotEnd,(Vec x,Vec y),(x,y,&s),PetscScalar,s)
406: EXTERN PetscErrorCode VecNormBegin(Vec,NormType,PetscReal *);
407: PetscPolymorphicSubroutine(VecNormBegin,(Vec x,NormType t),(x,t,PETSC_NULL))
408: PetscPolymorphicSubroutine(VecNormBegin,(Vec x),(x,NORM_2,PETSC_NULL))
409: EXTERN PetscErrorCode VecNormEnd(Vec,NormType,PetscReal *);
410: PetscPolymorphicFunction(VecNormEnd,(Vec x,NormType t),(x,t,&s),PetscReal,s)
411: PetscPolymorphicFunction(VecNormEnd,(Vec x),(x,NORM_2,&s),PetscReal,s)
413: EXTERN PetscErrorCode VecMDotBegin(Vec,PetscInt,const Vec[],PetscScalar *);
414: EXTERN PetscErrorCode VecMDotEnd(Vec,PetscInt,const Vec[],PetscScalar *);
415: EXTERN PetscErrorCode VecMTDotBegin(Vec,PetscInt,const Vec[],PetscScalar *);
416: EXTERN PetscErrorCode VecMTDotEnd(Vec,PetscInt,const Vec[],PetscScalar *);
419: typedef enum {VEC_IGNORE_OFF_PROC_ENTRIES,VEC_TREAT_OFF_PROC_ENTRIES} VecOption;
420: EXTERN PetscErrorCode VecSetOption(Vec,VecOption);
422: /*
423: Expose VecGetArray()/VecRestoreArray() to users. Allows this to work without any function
424: call overhead on any 'native' Vecs.
425: */
427: #include private/vecimpl.h
429: EXTERN PetscErrorCode VecContourScale(Vec,PetscReal,PetscReal);
431: /*
432: These numbers need to match the entries in
433: the function table in vecimpl.h
434: */
435: typedef enum { VECOP_VIEW = 32, VECOP_LOADINTOVECTOR = 40} VecOperation;
436: EXTERN PetscErrorCode VecSetOperation(Vec,VecOperation,void(*)(void));
438: /*
439: Routines for dealing with ghosted vectors:
440: vectors with ghost elements at the end of the array.
441: */
442: EXTERN PetscErrorCode VecCreateGhost(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*);
443: EXTERN PetscErrorCode VecCreateGhostWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*);
444: EXTERN PetscErrorCode VecCreateGhostBlock(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Vec*);
445: EXTERN PetscErrorCode VecCreateGhostBlockWithArray(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscScalar[],Vec*);
446: EXTERN PetscErrorCode VecGhostGetLocalForm(Vec,Vec*);
447: PetscPolymorphicFunction(VecGhostGetLocalForm,(Vec x),(x,&s),Vec,s)
448: EXTERN PetscErrorCode VecGhostRestoreLocalForm(Vec,Vec*);
449: EXTERN PetscErrorCode VecGhostUpdateBegin(Vec,InsertMode,ScatterMode);
450: EXTERN PetscErrorCode VecGhostUpdateEnd(Vec,InsertMode,ScatterMode);
452: EXTERN PetscErrorCode VecConjugate(Vec);
454: EXTERN PetscErrorCode VecScatterCreateToAll(Vec,VecScatter*,Vec*);
455: EXTERN PetscErrorCode VecScatterCreateToZero(Vec,VecScatter*,Vec*);
457: EXTERN PetscErrorCode PetscViewerMathematicaGetVector(PetscViewer, Vec);
458: EXTERN PetscErrorCode PetscViewerMathematicaPutVector(PetscViewer, Vec);
460: /*S
461: Vecs - Collection of vectors where the data for the vectors is stored in
462: one continquous memory
464: Level: advanced
466: Notes:
467: Temporary construct for handling multiply right hand side solves
469: This is faked by storing a single vector that has enough array space for
470: n vectors
472: Concepts: parallel decomposition
474: S*/
475: struct _n_Vecs {PetscInt n; Vec v;};
476: typedef struct _n_Vecs* Vecs;
477: #define VecsDestroy(x) (VecDestroy((x)->v) || PetscFree(x))
478: #define VecsCreateSeq(comm,p,m,x) (PetscNew(struct _n_Vecs,x) || VecCreateSeq(comm,p*m,&(*(x))->v) || (-1 == ((*(x))->n = (m))))
479: #define VecsCreateSeqWithArray(comm,p,m,a,x) (PetscNew(struct _n_Vecs,x) || VecCreateSeqWithArray(comm,p*m,a,&(*(x))->v) || (-1 == ((*(x))->n = (m))))
480: #define VecsDuplicate(x,y) (PetscNew(struct _n_Vecs,y) || VecDuplicate(x->v,&(*(y))->v) || (-1 == ((*(y))->n = (x)->n)))
484: #endif