petsc-3.8.4 2018-03-24

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ISIdentity

Determines whether index set is the identity mapping.

Synopsis

#include "petscis.h" 
PetscErrorCode  ISIdentity(IS is,PetscBool  *ident)

Collective on IS

Input Parmeters

is -the index set

Output Parameters

ident -PETSC_TRUE if an identity, else PETSC_FALSE

See Also

ISSetIdentity()

Level:intermediate
Location:src/vec/is/is/interface/index.c
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages