PETSc version 3.15.5
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