SNESLineSearchPreCheck

Prepares the line search for being applied.

Synopsis

#include "petscsnes.h" 
PetscErrorCode SNESLineSearchPreCheck(SNESLineSearch linesearch, Vec X, Vec Y, PetscBool *changed)

Logically Collective

Input Parameters

• linesearch - The linesearch instance.

• X - The current solution

• Y - The step direction

Output Parameter

• changed - Indicator that the precheck routine has changed anything

Note

This calls any function provided with SNESLineSearchSetPreCheck()

See Also

SNESLineSearch, SNESGetLineSearch(), SNESLineSearchPostCheck(), SNESLineSearchSetPreCheck(), SNESLineSearchGetPreCheck(), SNESLineSearchSetPostCheck(), `SNESLineSearchGetPostCheck()``

Level

advanced

Location

src/snes/linesearch/interface/linesearch.c

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