petsc-3.11.2 2019-05-18
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VecStepMaxBounded

See below

Synopsis

#include "petscvec.h"  
PetscErrorCode VecStepMaxBounded(Vec X, Vec DX, Vec XL, Vec XU, PetscReal *stepmax)
Collective on Vec

Input Parameters

X - vector with no negative entries
XL - lower bounds
XU - upper bounds
DX - step direction, can have negative, positive or zero entries

Output Parameter

stepmax -minimum value so that X[i] + stepmax*DX[i] <= XL[i] or XU[i] <= X[i] + stepmax*DX[i]

Level

intermediate

Location

src/vec/vec/utils/projection.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages