petsc-dev 2014-07-31
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SNESLineSearchPreCheck

Prepares the line search for being applied.

Synopsis

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

Input Parameters

linesearch - The linesearch instance.
X - The current solution
Y - The step direction

Output Parameters

changed -Indicator that the precheck routine has changed anything

Keywords

SNESLineSearch, Create

See Also

SNESLineSearchPostCheck()

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