xref: /petsc/include/petscvec.h (revision b0a32e0c6855ee6a6cd3495fa7da12ea9885bc5d)
1 /* $Id: petscvec.h,v 1.112 2000/09/02 02:50:55 bsmith Exp bsmith $ */
2 /*
3     Defines the vector component of PETSc. Vectors generally represent
4   degrees of freedom for finite element/finite difference functions
5   on a grid. They have more mathematical structure then simple arrays.
6 */
7 
8 #ifndef __PETSCVEC_H
9 #define __PETSCVEC_H
10 #include "petscis.h"
11 #include "petscsys.h"
12 
13 #define VEC_COOKIE         PETSC_COOKIE+3
14 #define MAP_COOKIE         PETSC_COOKIE+22
15 #define VEC_SCATTER_COOKIE PETSC_COOKIE+4
16 
17 typedef struct _p_Map*         Map;
18 typedef struct _p_Vec*         Vec;
19 typedef struct _p_VecScatter*  VecScatter;
20 #define VEC_SEQ    "seq"
21 #define VEC_MPI    "mpi"
22 #define VEC_FETI   "feti"
23 #define VEC_SHARED "shared"
24 typedef char*                  VecType;
25 
26 EXTERN int VecCreateSeq(MPI_Comm,int,Vec*);
27 EXTERN int MapCreateMPI(MPI_Comm,int,int,Map*);
28 EXTERN int VecCreateMPI(MPI_Comm,int,int,Vec*);
29 EXTERN int VecCreateSeqWithArray(MPI_Comm,int,const Scalar[],Vec*);
30 EXTERN int VecCreateMPIWithArray(MPI_Comm,int,int,const Scalar[],Vec*);
31 EXTERN int VecCreateShared(MPI_Comm,int,int,Vec*);
32 EXTERN int VecCreate(MPI_Comm,int,int,Vec*);
33 EXTERN int VecSetType(Vec,VecType);
34 EXTERN int VecSetFromOptions(Vec);
35 
36 EXTERN int VecDestroy(Vec);
37 
38 EXTERN int MapDestroy(Map);
39 EXTERN int MapGetLocalSize(Map,int *);
40 EXTERN int MapGetSize(Map,int *);
41 EXTERN int MapGetLocalRange(Map,int *,int *);
42 EXTERN int MapGetGlobalRange(Map,int *[]);
43 
44 EXTERN int VecDot(Vec,Vec,Scalar*);
45 EXTERN int VecTDot(Vec,Vec,Scalar*);
46 EXTERN int VecMDot(int,Vec,const Vec[],Scalar*);
47 EXTERN int VecMTDot(int,Vec,const Vec[],Scalar*);
48 
49 typedef enum {NORM_1=1,NORM_2=2,NORM_FROBENIUS=3,NORM_INFINITY=4,NORM_1_AND_2=5} NormType;
50 #define NORM_MAX NORM_INFINITY
51 EXTERN int VecNorm(Vec,NormType,PetscReal *);
52 EXTERN int VecSum(Vec,Scalar*);
53 EXTERN int VecMax(Vec,int*,PetscReal *);
54 EXTERN int VecMin(Vec,int*,PetscReal *);
55 EXTERN int VecScale(const Scalar*,Vec);
56 EXTERN int VecCopy(Vec,Vec);
57 EXTERN int VecSetRandom(PetscRandom,Vec);
58 EXTERN int VecSet(const Scalar*,Vec);
59 EXTERN int VecSwap(Vec,Vec);
60 EXTERN int VecAXPY(const Scalar*,Vec,Vec);
61 EXTERN int VecAXPBY(const Scalar*,const Scalar *,Vec,Vec);
62 EXTERN int VecMAXPY(int,const Scalar*,Vec,Vec*);
63 EXTERN int VecAYPX(const Scalar*,Vec,Vec);
64 EXTERN int VecWAXPY(const Scalar*,Vec,Vec,Vec);
65 EXTERN int VecPointwiseMult(Vec,Vec,Vec);
66 EXTERN int VecPointwiseDivide(Vec,Vec,Vec);
67 EXTERN int VecShift(const Scalar*,Vec);
68 EXTERN int VecReciprocal(Vec);
69 EXTERN int VecAbs(Vec);
70 EXTERN int VecDuplicate(Vec,Vec*);
71 EXTERN int VecDuplicateVecs(Vec,int,Vec*[]);
72 EXTERN int VecDestroyVecs(const Vec[],int);
73 EXTERN int VecGetMap(Vec,Map*);
74 
75 typedef enum {NOT_SET_VALUES,INSERT_VALUES,ADD_VALUES,MAX_VALUES} InsertMode;
76 
77 EXTERN int VecStrideNorm(Vec,int,NormType,double*);
78 EXTERN int VecStrideGather(Vec,int,Vec,InsertMode);
79 EXTERN int VecStrideScatter(Vec,int,Vec,InsertMode);
80 EXTERN int VecStrideMax(Vec,int,int *,double *);
81 EXTERN int VecStrideMin(Vec,int,int *,double *);
82 EXTERN int VecStrideGatherAll(Vec,Vec*,InsertMode);
83 EXTERN int VecStrideScatterAll(Vec*,Vec,InsertMode);
84 
85 EXTERN int VecSetValues(Vec,int,const int[],const Scalar[],InsertMode);
86 EXTERN int VecAssemblyBegin(Vec);
87 EXTERN int VecAssemblyEnd(Vec);
88 EXTERN int VecSetStashInitialSize(Vec,int,int);
89 EXTERN int VecStashView(Vec,PetscViewer);
90 
91 #define VecSetValue(v,i,va,mode) \
92 {int _ierr,_row = i; Scalar _va = va; \
93   _ierr = VecSetValues(v,1,&_row,&_va,mode);CHKERRQ(_ierr); \
94 }
95 EXTERN int VecSetBlockSize(Vec,int);
96 EXTERN int VecGetBlockSize(Vec,int*);
97 EXTERN int VecSetValuesBlocked(Vec,int,const int[],const Scalar[],InsertMode);
98 
99 extern PetscTruth VecRegisterAllCalled;
100 EXTERN int        VecRegisterAll(const char []);
101 EXTERN int        VecRegister(const char[],const char[],const char[],int(*)(Vec));
102 #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
103 #define VecRegisterDynamic(a,b,c,d) VecRegister(a,b,c,0)
104 #else
105 #define VecRegisterDynamic(a,b,c,d) VecRegister(a,b,c,d)
106 #endif
107 
108 typedef enum {SCATTER_FORWARD=0,SCATTER_REVERSE=1,SCATTER_FORWARD_LOCAL=2,
109               SCATTER_REVERSE_LOCAL=3,SCATTER_LOCAL=2} ScatterMode;
110 EXTERN int VecScatterCreate(Vec,IS,Vec,IS,VecScatter *);
111 EXTERN int VecScatterPostRecvs(Vec,Vec,InsertMode,ScatterMode,VecScatter);
112 EXTERN int VecScatterBegin(Vec,Vec,InsertMode,ScatterMode,VecScatter);
113 EXTERN int VecScatterEnd(Vec,Vec,InsertMode,ScatterMode,VecScatter);
114 EXTERN int VecScatterDestroy(VecScatter);
115 EXTERN int VecScatterCopy(VecScatter,VecScatter *);
116 EXTERN int VecScatterView(VecScatter,PetscViewer);
117 EXTERN int VecScatterRemap(VecScatter,int *,int*);
118 
119 typedef enum {PIPELINE_DOWN=0,PIPELINE_UP=1} PipelineDirection;
120 typedef enum {PIPELINE_NONE=1,PIPELINE_SEQUENTIAL=2,
121 	      PIPELINE_REDBLACK=3,PIPELINE_MULTICOLOR=4} PipelineType;
122 
123 typedef struct _p_VecPipeline*  VecPipeline;
124 
125 EXTERN int VecPipelineCreate(MPI_Comm,Vec,IS,Vec,IS,VecPipeline *);
126 EXTERN int VecPipelineSetType(VecPipeline,PipelineType,PetscObject);
127 EXTERN int VecPipelineSetup(VecPipeline);
128 EXTERN int VecPipelineBegin(Vec,Vec,InsertMode,ScatterMode,PipelineDirection,VecPipeline);
129 EXTERN int VecPipelineEnd(Vec,Vec,InsertMode,ScatterMode,PipelineDirection,VecPipeline);
130 EXTERN int VecPipelineView(VecPipeline,PetscViewer);
131 EXTERN int VecPipelineDestroy(VecPipeline);
132 
133 EXTERN int VecGetArray(Vec,Scalar*[]);
134 EXTERN int VecRestoreArray(Vec,Scalar*[]);
135 EXTERN int VecGetArray4d(Vec,int,int,int,int,int,int,int,int,Scalar**[]);
136 EXTERN int VecRestoreArray4d(Vec,int,int,int,int,int,int,int,int,Scalar**[]);
137 EXTERN int VecGetArray3d(Vec,int,int,int,int,int,int,Scalar**[]);
138 EXTERN int VecRestoreArray3d(Vec,int,int,int,int,int,int,Scalar**[]);
139 EXTERN int VecGetArray2d(Vec,int,int,int,int,Scalar**[]);
140 EXTERN int VecRestoreArray2d(Vec,int,int,int,int,Scalar**[]);
141 EXTERN int VecGetArray1d(Vec,int,int,Scalar *[]);
142 EXTERN int VecRestoreArray1d(Vec,int,int,Scalar *[]);
143 
144 EXTERN int VecPlaceArray(Vec,const Scalar[]);
145 EXTERN int VecResetArray(Vec);
146 EXTERN int VecReplaceArray(Vec,const Scalar[]);
147 EXTERN int VecGetArrays(const Vec[],int,Scalar**[]);
148 EXTERN int VecRestoreArrays(const Vec[],int,Scalar**[]);
149 
150 EXTERN int VecValid(Vec,PetscTruth*);
151 EXTERN int VecView(Vec,PetscViewer);
152 EXTERN int VecEqual(Vec,Vec,PetscTruth*);
153 EXTERN int VecLoad(PetscViewer,Vec*);
154 EXTERN int VecLoadIntoVector(PetscViewer,Vec);
155 
156 EXTERN int VecGetSize(Vec,int*);
157 EXTERN int VecGetType(Vec,VecType*);
158 EXTERN int VecGetLocalSize(Vec,int*);
159 EXTERN int VecGetOwnershipRange(Vec,int*,int*);
160 
161 EXTERN int VecSetLocalToGlobalMapping(Vec,ISLocalToGlobalMapping);
162 EXTERN int VecSetValuesLocal(Vec,int,const int[],const Scalar[],InsertMode);
163 EXTERN int VecSetLocalToGlobalMappingBlocked(Vec,ISLocalToGlobalMapping);
164 EXTERN int VecSetValuesBlockedLocal(Vec,int,const int[],const Scalar[],InsertMode);
165 
166 EXTERN int VecDotBegin(Vec,Vec,Scalar *);
167 EXTERN int VecDotEnd(Vec,Vec,Scalar *);
168 EXTERN int VecTDotBegin(Vec,Vec,Scalar *);
169 EXTERN int VecTDotEnd(Vec,Vec,Scalar *);
170 EXTERN int VecNormBegin(Vec,NormType,double *);
171 EXTERN int VecNormEnd(Vec,NormType,double *);
172 
173 typedef enum {VEC_IGNORE_OFF_PROC_ENTRIES} VecOption;
174 EXTERN int VecSetOption(Vec,VecOption);
175 
176 EXTERN int VecContourScale(Vec,double,double);
177 
178 /*
179     These numbers need to match the entries in
180   the function table in src/vec/vecimpl.h
181 */
182 typedef enum { VECOP_VIEW = 33,
183                VECOP_LOADINTOVECTOR = 40
184              } VecOperation;
185 EXTERN int VecSetOperation(Vec,VecOperation,void*); /*  */
186 
187 /*
188      Routines for dealing with ghosted vectors:
189   vectors with ghost elements at the end of the array.
190 */
191 EXTERN int VecCreateGhost(MPI_Comm,int,int,int,const int[],Vec*);
192 EXTERN int VecCreateGhostWithArray(MPI_Comm,int,int,int,const int[],const Scalar[],Vec*);
193 EXTERN int VecCreateGhostBlock(MPI_Comm,int,int,int,int,const int[],Vec*);
194 EXTERN int VecCreateGhostBlockWithArray(MPI_Comm,int,int,int,int,const int[],const Scalar[],Vec*);
195 EXTERN int VecGhostGetLocalForm(Vec,Vec*);
196 EXTERN int VecGhostRestoreLocalForm(Vec,Vec*);
197 EXTERN int VecGhostUpdateBegin(Vec,InsertMode,ScatterMode);
198 EXTERN int VecGhostUpdateEnd(Vec,InsertMode,ScatterMode);
199 
200 EXTERN int VecConjugate(Vec);
201 
202 #endif
203 
204 
205 
206