xref: /petsc/include/petscvec.h (revision d252947ab307443ec0f8cabd384072ff75afeb3e)
1*d252947aSBarry Smith /* $Id: vec.h,v 1.56 1997/02/03 06:03:27 bsmith Exp bsmith $ */
22eac72dbSBarry Smith /*
384cb2905SBarry Smith    This defines the abstract vector component of PETSc. Vectors generally
484cb2905SBarry Smith   represent degrees of freedom for finite element/finite difference functions
584cb2905SBarry Smith   on a grid. They have more mathematical structure then simple arrays.
62eac72dbSBarry Smith */
72eac72dbSBarry Smith 
82eac72dbSBarry Smith #ifndef __VEC_PACKAGE
92eac72dbSBarry Smith #define __VEC_PACKAGE
102eac72dbSBarry Smith #include "is.h"
11bf5bf444SLois Curfman McInnes #include "sys.h"
122eac72dbSBarry Smith 
139e25ed09SBarry Smith #define VEC_COOKIE         PETSC_COOKIE+3
149e25ed09SBarry Smith #define VEC_SCATTER_COOKIE PETSC_COOKIE+4
159e25ed09SBarry Smith 
16b56ba379SLois Curfman McInnes typedef enum {VECSAME=-1, VECSEQ, VECMPI} VecType;
17f0479e8cSBarry Smith 
182eac72dbSBarry Smith typedef struct _Vec*         Vec;
1908480c60SBarry Smith typedef struct _VecScatter*  VecScatter;
202eac72dbSBarry Smith 
21de7da479SBarry Smith extern int VecCreateSeq(MPI_Comm,int,Vec*);
228ed539a5SBarry Smith extern int VecCreateMPI(MPI_Comm,int,int,Vec*);
236469c4f9SBarry Smith extern int VecCreate(MPI_Comm,int,Vec*);
242eac72dbSBarry Smith 
254b0e389bSBarry Smith extern int VecDestroy(Vec);
264b0e389bSBarry Smith 
278ed539a5SBarry Smith extern int VecDot(Vec,Vec,Scalar*);
288ed539a5SBarry Smith extern int VecTDot(Vec,Vec,Scalar*);
298ed539a5SBarry Smith extern int VecMDot(int,Vec,Vec*,Scalar*);
308ed539a5SBarry Smith extern int VecMTDot(int,Vec,Vec*,Scalar*);
31cddf8d76SBarry Smith 
32cddf8d76SBarry Smith typedef enum {NORM_1=1,NORM_2=2,NORM_FROBENIUS=3,NORM_INFINITY=4} NormType;
33cddf8d76SBarry Smith #define NORM_MAX NORM_INFINITY
34cddf8d76SBarry Smith extern int VecNorm(Vec,NormType,double *);
35ee50ffe9SBarry Smith extern int VecSum(Vec,Scalar*);
367c16e1c9SBarry Smith extern int VecMax(Vec,int*,double*);
377c16e1c9SBarry Smith extern int VecMin(Vec,int*,double*);
388ed539a5SBarry Smith extern int VecScale(Scalar*,Vec);
398ed539a5SBarry Smith extern int VecCopy(Vec,Vec);
4077c4ece6SBarry Smith extern int VecSetRandom(PetscRandom,Vec);
418ed539a5SBarry Smith extern int VecSet(Scalar*,Vec);
428ed539a5SBarry Smith extern int VecSwap(Vec,Vec);
438ed539a5SBarry Smith extern int VecAXPY(Scalar*,Vec,Vec);
4477c4ece6SBarry Smith extern int VecAXPBY(Scalar*,Scalar *,Vec,Vec);
458ed539a5SBarry Smith extern int VecMAXPY(int,Scalar*,Vec,Vec*);
468ed539a5SBarry Smith extern int VecAYPX(Scalar*,Vec,Vec);
478ed539a5SBarry Smith extern int VecWAXPY(Scalar*,Vec,Vec,Vec);
4877c4ece6SBarry Smith extern int VecPointwiseMult(Vec,Vec,Vec);
4977c4ece6SBarry Smith extern int VecPointwiseDivide(Vec,Vec,Vec);
504b0e389bSBarry Smith extern int VecShift(Scalar*,Vec);
514b0e389bSBarry Smith extern int VecReciprocal(Vec);
524b0e389bSBarry Smith extern int VecAbs(Vec);
536469c4f9SBarry Smith extern int VecDuplicate(Vec,Vec*);
54afc8d9b6SBarry Smith extern int VecDuplicateVecs(Vec,int,Vec**);
554b0e389bSBarry Smith extern int VecDestroyVecs(Vec*,int);
562eac72dbSBarry Smith 
5764119d58SLois Curfman McInnes typedef enum {NOT_SET_VALUES, INSERT_VALUES, ADD_VALUES} InsertMode;
5820563c6bSBarry Smith extern int VecSetValues(Vec,int,int*,Scalar*,InsertMode);
59ee50ffe9SBarry Smith extern int VecAssemblyBegin(Vec);
60ee50ffe9SBarry Smith extern int VecAssemblyEnd(Vec);
61b951964fSBarry Smith #define VecSetValue(v,i,va,mode) \
62b951964fSBarry Smith {int _ierr,_row = i; Scalar _va = va; \
63b951964fSBarry Smith   _ierr = VecSetValues(v,1,&_row,&_va,mode);CHKERRQ(_ierr); \
64b951964fSBarry Smith }
658ed539a5SBarry Smith 
66*d252947aSBarry Smith typedef enum {SCATTER_FORWARD=0,SCATTER_REVERSE=1,SCATTER_FORWARD_LOCAL=2,
67*d252947aSBarry Smith               SCATTER_REVERSE_LOCAL=3,SCATTER_LOCAL=2} ScatterMode;
6884cb2905SBarry Smith extern int VecScatterCreate(Vec,IS,Vec,IS,VecScatter *);
6990f02eecSBarry Smith extern int VecScatterPostRecvs(Vec,Vec,InsertMode,ScatterMode,VecScatter);
7008480c60SBarry Smith extern int VecScatterBegin(Vec,Vec,InsertMode,ScatterMode,VecScatter);
7108480c60SBarry Smith extern int VecScatterEnd(Vec,Vec,InsertMode,ScatterMode,VecScatter);
7208480c60SBarry Smith extern int VecScatterDestroy(VecScatter);
7308480c60SBarry Smith extern int VecScatterCopy(VecScatter,VecScatter *);
7408480c60SBarry Smith extern int VecScatterView(VecScatter,Viewer);
752195c698SBarry Smith extern int VecScatterRemap(VecScatter,int *,int*);
762195c698SBarry Smith 
778ed539a5SBarry Smith extern int VecGetArray(Vec,Scalar**);
786b5873e3SBarry Smith extern int VecRestoreArray(Vec,Scalar**);
79afc8d9b6SBarry Smith extern int VecPlaceArray(Vec,Scalar*);
80707f76d8SBarry Smith extern int VecGetArrays(Vec*,int,Scalar***);
81707f76d8SBarry Smith extern int VecRestoreArrays(Vec*,int,Scalar***);
8284cb2905SBarry Smith 
8377c4ece6SBarry Smith extern int VecValid(Vec,PetscTruth*);
848ed539a5SBarry Smith extern int VecView(Vec,Viewer);
8513054869SSatish Balay extern int VecEqual(Vec,Vec,PetscTruth*);
8684cb2905SBarry Smith extern int VecLoad(Viewer,Vec*);
878ed539a5SBarry Smith 
888ed539a5SBarry Smith extern int VecGetSize(Vec,int*);
891dd0cb96SLois Curfman McInnes extern int VecGetType(Vec,VecType*,char**);
908ed539a5SBarry Smith extern int VecGetLocalSize(Vec,int*);
91d6dfbf8fSBarry Smith extern int VecGetOwnershipRange(Vec,int*,int*);
928ed539a5SBarry Smith 
9390f02eecSBarry Smith extern int VecSetLocalToGlobalMapping(Vec, int,int *);
9490f02eecSBarry Smith extern int VecSetValuesLocal(Vec,int,int*,Scalar*,InsertMode);
9590f02eecSBarry Smith 
9690f02eecSBarry Smith typedef enum {VEC_IGNORE_OFF_PROCESSOR_ENTRIES} VecOption;
9790f02eecSBarry Smith extern int VecSetOption(Vec,VecOption);
9890f02eecSBarry Smith 
9934233285SBarry Smith #if defined(__DRAW_PACKAGE)
100d7e8b826SBarry Smith extern int DrawTensorContour(Draw,int,int,double *,double *,Vec);
10134233285SBarry Smith #endif
10234233285SBarry Smith 
1032eac72dbSBarry Smith #endif
1042eac72dbSBarry Smith 
1052eac72dbSBarry Smith 
1067588ac45SBarry Smith 
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