petsc-3.9.0 2018-04-07
Report Typos and Errors

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

Implementations

ISIdentity_Block in src/vec/is/is/impls/block/block.c
ISIdentity_General in src/vec/is/is/impls/general/general.c
ISIdentity_Stride in src/vec/is/is/impls/stride/stride.c

Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages