PETSc version 3.15.5
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