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 107