xref: /petsc/include/petscvec.h (revision c01c455d43b147fbcccdf73d28be4d01ad7032e0)
1 /* $Id: vec.h,v 1.27 1995/08/17 20:56:10 curfman 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  */
17 
18 #ifndef __VEC_PACKAGE
19 #define __VEC_PACKAGE
20 #include "is.h"
21 
22 #define VEC_COOKIE         PETSC_COOKIE+3
23 #define VEC_SCATTER_COOKIE PETSC_COOKIE+4
24 
25 typedef enum { VECSAME=-1, VECSEQ, VECMPI } VecType;
26 
27 typedef struct _Vec*            Vec;
28 typedef struct _VecScatterCtx*  VecScatterCtx;
29 
30 extern int VecCreateSequential(MPI_Comm,int,Vec *);
31 extern int VecCreateMPI(MPI_Comm,int,int,Vec *);
32 extern int VecCreate(MPI_Comm,int,Vec *);
33 
34 extern int VecDot(Vec, Vec, Scalar*);
35 extern int VecTDot(Vec, Vec, Scalar*);
36 extern int VecMDot(int,      Vec ,Vec*,Scalar*);
37 extern int VecMTDot(int,      Vec ,Vec*,Scalar*);
38 extern int VecNorm(Vec, double*);
39 extern int VecASum(Vec, double*);
40 extern int VecSum(Vec,Scalar*);
41 extern int VecAMax(Vec, int *,   double*);
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 VecGetVecs(Vec, int,Vec **);
57 extern int VecFreeVecs(Vec*,int);
58 
59 typedef enum {NOTSETVALUES, INSERTVALUES, ADDVALUES} 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 {SCATTERREVERSE=1,SCATTERDOWN=2,SCATTERUP=4,SCATTERALL=8,
66               SCATTERALLREVERSE=9} ScatterMode;
67 
68 extern int VecScatterBegin(Vec,Vec,InsertMode,ScatterMode,VecScatterCtx);
69 extern int VecScatterEnd(Vec,Vec,InsertMode,ScatterMode,VecScatterCtx);
70 extern int VecScatterCtxCreate(Vec,IS,Vec,IS,VecScatterCtx *);
71 extern int VecScatterCtxDestroy(VecScatterCtx);
72 extern int VecScatterCtxCopy(VecScatterCtx,VecScatterCtx *);
73 
74 typedef enum {PIPELINEDOWN=0,PIPELINEUP=1} PipelineMode;
75 
76 extern int VecPipelineBegin(Vec,Vec,InsertMode,PipelineMode,VecScatterCtx);
77 extern int VecPipelineEnd(Vec,Vec,InsertMode,PipelineMode,VecScatterCtx);
78 
79 extern int VecShift(Scalar *,Vec);
80 extern int VecGetArray(Vec,Scalar**);
81 extern int VecRestoreArray(Vec,Scalar**);
82 extern int VecGetArrays(Vec*,int,Scalar***);
83 extern int VecRestoreArrays(Vec*,int,Scalar***);
84 extern int VecValidVector(Vec);
85 extern int VecView(Vec,Viewer);
86 extern int VecViewBinary(Vec,int);
87 extern int VecLoadBinary(MPI_Comm,int,VecType,IS,Vec*);
88 
89 extern int VecGetSize(Vec,int *);
90 extern int VecGetLocalSize(Vec,int *);
91 extern int VecGetOwnershipRange(Vec,int*,int*);
92 
93 /* utility routines */
94 extern int VecReciprocal(Vec);
95 extern int VecAbs(Vec);
96 
97 #if defined(__DRAW_PACKAGE)
98 extern int DrawTensorContour(DrawCtx,int,int,double *,double *,Vec);
99 #endif
100 
101 #endif
102 
103 
104