petsc-3.14.6 2021-03-30
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TaoLineSearchMonitor

 Monitor the line search steps. This routine will otuput the iteration number, step length, and function value before calling the implementation specific monitor.

Synopsis

#include "petsctaolinesearch.h" 
PetscErrorCode TaoLineSearchMonitor(TaoLineSearch ls, PetscInt its, PetscReal f, PetscReal step)

Input Parameters

ls - the TaoLineSearch context
its - the current iterate number (>=0)
f - the current objective function value
step - the step length

Options Database Key

-tao_ls_monitor - Use the default monitor, which prints statistics to standard output

Level

developer

Location

src/tao/linesearch/interface/taolinesearch.c

Implementations

TaoLineSearchMonitor_MT in src/tao/linesearch/impls/morethuente/morethuente.c

Index of all TaoLineSearch routines
Table of Contents for all manual pages
Index of all manual pages