xref: /petsc/include/petscvec.h (revision 2f8a729c95982efb3e50c82c45a5cc0e4d951579)
1 /* $Id: vec.h,v 1.39 1995/11/09 22:33:28 bsmith Exp bsmith $ */
2 /*
3    This defines the abstract vector component. These are patterned
4    after the Level-1 Blas, but with some additions that have proved
5    useful. These include routines to allocate and free vectors.
6 
7    Note that the routines that are normally thought of as returning a
8    value (e.g., dot, norm) return their value through an argument.
9    This allows these routines to be used with other datatype, such
10    as float and dcomplex.
11 
12    All vectors should be declared as a Vec. All vector routines begin
13    with Vec.
14  */
15 
16 #ifndef __VEC_PACKAGE
17 #define __VEC_PACKAGE
18 #include "is.h"
19 
20 #define VEC_COOKIE         PETSC_COOKIE+3
21 #define VEC_SCATTER_COOKIE PETSC_COOKIE+4
22 
23 typedef enum { VECSAME=-1, VECSEQ, VECMPI } VecType;
24 
25 typedef struct _Vec*         Vec;
26 typedef struct _VecScatter*  VecScatter;
27 
28 extern int VecCreateSeq(MPI_Comm,int,Vec *);
29 extern int VecCreateMPI(MPI_Comm,int,int,Vec *);
30 extern int VecCreate(MPI_Comm,int,Vec *);
31 
32 extern int VecDot(Vec, Vec, Scalar*);
33 extern int VecTDot(Vec, Vec, Scalar*);
34 extern int VecMDot(int,  Vec ,Vec*,Scalar*);
35 extern int VecMTDot(int,  Vec ,Vec*,Scalar*);
36 
37 typedef enum {NORM_1=1,NORM_2=2,NORM_FROBENIUS=3,NORM_INFINITY=4} NormType;
38 #define NORM_MAX NORM_INFINITY
39 
40 extern int VecNorm(Vec,NormType,double *);
41 extern int VecSum(Vec,Scalar*);
42 extern int VecMax(Vec, int *,    double*);
43 extern int VecMin(Vec, int *,    double*);
44 extern int VecScale(Scalar*, Vec);
45 extern int VecCopy(Vec, Vec);
46 extern int VecSet(Scalar*, Vec);
47 extern int VecSwap(Vec, Vec);
48 extern int VecAXPY(Scalar*, Vec, Vec);
49 extern int VecMAXPY(int,      Scalar*, Vec ,Vec*);
50 extern int VecAYPX(Scalar*, Vec, Vec);
51 extern int VecWAXPY(Scalar*, Vec, Vec, Vec);
52 extern int VecPMult(Vec, Vec, Vec);
53 extern int VecPDiv(Vec, Vec, Vec);
54 extern int VecDuplicate(Vec,Vec *);
55 extern int VecDestroy(Vec);
56 extern int VecDuplicateVecs(Vec, int,Vec **);
57 extern int VecFreeVecs(Vec*,int);
58 
59 typedef enum {NOT_SET_VALUES, INSERT_VALUES, ADD_VALUES} InsertMode;
60 
61 extern int VecSetValues(Vec, int, int *,Scalar*,InsertMode);
62 extern int VecAssemblyBegin(Vec);
63 extern int VecAssemblyEnd(Vec);
64 
65 typedef enum {SCATTER_REVERSE=1,SCATTER_DOWN=2,SCATTER_UP=4,SCATTER_ALL=8,
66               SCATTER_ALL_REVERSE=9} ScatterMode;
67 
68 extern int VecScatterBegin(Vec,Vec,InsertMode,ScatterMode,VecScatter);
69 extern int VecScatterEnd(Vec,Vec,InsertMode,ScatterMode,VecScatter);
70 extern int VecScatterCreate(Vec,IS,Vec,IS,VecScatter *);
71 extern int VecScatterDestroy(VecScatter);
72 extern int VecScatterCopy(VecScatter,VecScatter *);
73 extern int VecScatterView(VecScatter,Viewer);
74 
75 typedef enum {PIPELINE_DOWN=0,PIPELINE_UP=1} PipelineMode;
76 
77 extern int VecPipelineBegin(Vec,Vec,InsertMode,PipelineMode,VecScatter);
78 extern int VecPipelineEnd(Vec,Vec,InsertMode,PipelineMode,VecScatter);
79 
80 extern int VecShift(Scalar *,Vec);
81 extern int VecGetArray(Vec,Scalar**);
82 extern int VecRestoreArray(Vec,Scalar**);
83 extern int VecPlaceArray(Vec,Scalar*);
84 extern int VecGetArrays(Vec*,int,Scalar***);
85 extern int VecRestoreArrays(Vec*,int,Scalar***);
86 extern int VecValidVector(Vec);
87 extern int VecView(Vec,Viewer);
88 extern int VecLoad(Viewer,Vec*);
89 
90 extern int VecGetSize(Vec,int *);
91 extern int VecGetLocalSize(Vec,int *);
92 extern int VecGetOwnershipRange(Vec,int*,int*);
93 
94 /* utility routines */
95 extern int VecReciprocal(Vec);
96 extern int VecAbs(Vec);
97 
98 #if defined(__DRAW_PACKAGE)
99 extern int DrawTensorContour(Draw,int,int,double *,double *,Vec);
100 #endif
101 
102 #endif
103 
104 
105