petsc-3.12.5 2020-03-29
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VecWhichLessThan

 Creates an index set containing the indices where the vectors Vec1 < Vec2

Synopsis

#include "petscvec.h"  
PetscErrorCode VecWhichLessThan(Vec Vec1, Vec Vec2, IS *S)
Collective on S

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

For complex numbers this only compares the real part

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