1 /* $Id: is.h,v 1.30 1996/08/15 12:51:50 bsmith Exp curfman $ */ 2 3 /* 4 An index set is a generalization of a subset of integers. Index sets 5 are used for defining scatters and gathers. 6 */ 7 #if !defined(__IS_PACKAGE) 8 #define __IS_PACKAGE 9 #include "petsc.h" 10 11 typedef enum {IS_GENERAL=0, IS_STRIDE=1, IS_BLOCK = 2} ISType; 12 13 #define IS_COOKIE PETSC_COOKIE+2 14 15 typedef struct _IS* IS; 16 17 extern int ISCreateGeneral(MPI_Comm,int,int *,IS *); 18 extern int ISCreateBlock(MPI_Comm,int,int,int *,IS *); 19 extern int ISCreateStride(MPI_Comm,int,int,int,IS *); 20 21 extern int ISDestroy(IS); 22 23 extern int ISSetPermutation(IS); 24 extern int ISPermutation(IS,PetscTruth*); 25 extern int ISSetIdentity(IS); 26 extern int ISIdentity(IS,PetscTruth*); 27 28 extern int ISGetIndices(IS,int **); 29 extern int ISRestoreIndices(IS,int **); 30 extern int ISGetSize(IS,int *); 31 extern int ISInvertPermutation(IS,IS*); 32 extern int ISView(IS,Viewer); 33 extern int ISEqual(IS, IS, PetscTruth *); 34 extern int ISSort(IS); 35 extern int ISSorted(IS, PetscTruth *); 36 37 extern int ISBlock(IS,PetscTruth*); 38 extern int ISBlockGetIndices(IS,int **); 39 extern int ISBlockRestoreIndices(IS,int **); 40 extern int ISBlockGetSize(IS,int *); 41 extern int ISBlockGetBlockSize(IS,int *); 42 43 extern int ISStride(IS,PetscTruth*); 44 extern int ISStrideGetInfo(IS,int *,int*); 45 46 #endif 47 48 49