1 2 /* 3 An index set is essentially a subset of the integers 4 */ 5 #if !defined(__IS_PACKAGE) 6 #define __IS_PACKAGE 7 #include "petsc.h" 8 9 typedef struct _IS* IS; 10 11 extern int ISCreateSequential(int,int *,IS *); 12 #if defined(USING_MPI) 13 extern int ISCreateMPI(int,int,int *,MPI_Comm,IS *); 14 #endif 15 extern int ISCreateStrideSequential(int,int,int,IS *); 16 extern int ISStrideGetInfo(IS,int *,int*); 17 18 extern int ISSetPermutation(IS); 19 extern int ISIsPermutation(IS); 20 extern int ISGetIndices(IS,int **); 21 extern int ISRestoreIndices(IS,int **); 22 extern int ISGetSize(IS,int *); 23 extern int ISGetLocalSize(IS,int *); 24 extern int ISDestroy(IS); 25 extern int ISInvertPermutation(IS,IS*); 26 extern int ISView(IS,Viewer); 27 28 #endif 29