petsc-3.10.5 2019-03-28
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# TaoLineSearchGetStepLength

Get the current step length

### Synopsis

    #include "petsctaolinesearch.h"
    PetscErrorCode TaoLineSearchGetStepLength(TaoLineSearch ls,PetscReal *s)

Not Collective

### Input Parameters

ls -the TaoLineSearch context

Output Parameters

s -the current step length

### See Also

TaoLineSearchSetInitialStepLength(), TaoLineSearchApply()

### Level

beginner

### Location

src/tao/linesearch/interface/taolinesearch.c
Index of all TaoLineSearch routines
Table of Contents for all manual pages
Index of all manual pages