petsc-3.14.6 2021-03-30
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ISLocate

 determine the location of an index within the local component of an index set

Synopsis

#include "petscis.h" 
PetscErrorCode ISLocate(IS is, PetscInt key, PetscInt *location)
Not Collective

Input Parameter

is - the index set
key - the search key

Output Parameter

location - if >= 0, a location within the index set that is equal to the key, otherwise the key is not in the index set

Level

intermediate

Location

src/vec/is/is/interface/index.c

Implementations

ISLocate_Block in src/vec/is/is/impls/block/block.c
ISLocate_General in src/vec/is/is/impls/general/general.c
ISLocate_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