petsc-3.9.4 2018-09-11
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