petsc-3.14.6 2021-03-30
TaoBoundStep
Ensures the correct zero or adjusted step direction values for active variables.
Synopsis
#include "petsctao.h"
PetscErrorCode TaoBoundStep(Vec X, Vec XL, Vec XU, IS active_lower, IS active_upper, IS active_fixed, PetscReal scale, Vec S)
Input Parameters
| X | - solution vector
|
| XL | - lower bound vector
|
| XU | - upper bound vector
|
| active_lower | - index set for lower bounded active variables
|
| active_upper | - index set for lower bounded active variables
|
| active_fixed | - index set for fixed active variables
|
| scale | - amplification factor for the step that needs to be taken on actively bounded variables
|
Output Parameters
| S | - step direction to be modified
|
Level
developer
Location
src/tao/bound/utils/isutil.c
Index of all Tao routines
Table of Contents for all manual pages
Index of all manual pages