petsc-3.9.2 2018-05-20
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SNESLineSearchPostCheck

Prepares the line search for being applied.

Synopsis

#include "petscsnes.h" 
PetscErrorCode SNESLineSearchPostCheck(SNESLineSearch linesearch,Vec X,Vec Y,Vec W,PetscBool *changed_Y,PetscBool *changed_W)
Logically Collective on SNESLineSearch

Input Parameters

linesearch - The linesearch context
X - The last solution
Y - The step direction
W - The updated solution, W = X + lambda*Y for some lambda

Output Parameters

changed_Y - Indicator if the direction Y has been changed.
changed_W - Indicator if the new candidate solution W has been changed.

Keywords

SNESLineSearch, Create

See Also

SNESGetLineSearch(), SNESLineSearchPreCheck(), SNESLineSearchSetPostCheck(), SNESLineSearchGetPostCheck(), SNESLineSearchSetPrecheck(), SNESLineSearchGetPrecheck()

Level

developer

Location

src/snes/linesearch/interface/linesearch.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages