petsc3.13.4 20200801
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