petsc-3.12.5 2020-03-29
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VecWhichBetween

Creates an index set containing the indices where VecLow < V < VecHigh

Synopsis

#include "petscvec.h"  
PetscErrorCode VecWhichBetween(Vec VecLow, Vec V, Vec VecHigh, IS *S)
Collective on S

Input Parameters

VecLow - lower bound
V - Vector to compare
VecHigh - higher bound

OutputParameter

S -The index set containing the indices i where veclow[i] < v[i] < vechigh[i]

Notes

The 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