VecWhichInactive#
Creates an index set containing the indices where one of the following holds: a) VecLow(i) < V(i) < VecHigh(i) b) VecLow(i) = V(i) and D(i) <= 0 (< 0 when Strong is true) c) VecHigh(i) = V(i) and D(i) >= 0 (> 0 when Strong is true)
Synopsis#
#include "petscvec.h"
PetscErrorCode VecWhichInactive(Vec VecLow, Vec V, Vec D, Vec VecHigh, PetscBool Strong, IS *S)
Collective
Input Parameters#
VecLow - lower bound
V - Vector to compare
D - Direction to compare
VecHigh - higher bound
Strong - indicator for applying strongly inactive test
OutputParameter#
S - The index set containing the indices i where the bound is inactive
See Also#
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