petsc-3.14.6 2021-03-30
VecWhichEqual
Creates an index set containing the indices where the vectors Vec1 and Vec2 have identical elements.
Synopsis
#include "petscvec.h"
PetscErrorCode VecWhichEqual(Vec Vec1, Vec Vec2, IS *S)
Collective on Vec
Input Parameters
| Vec1, Vec2 | - the two vectors to compare
|
OutputParameter
| S | - The index set containing the indices i where vec1[i] == vec2[i]
|
Notes
the two vectors must have the same parallel layout
Level
advanced
Location
src/vec/vec/utils/projection.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages