SNESLineSearchGetPreCheck#

Gets the pre-check function for the line search routine.

Synopsis#

#include "petscsnes.h" 
PetscErrorCode SNESLineSearchGetPreCheck(SNESLineSearch linesearch, PetscErrorCode (**func)(SNESLineSearch, Vec, Vec, PetscBool *, void *), void **ctx)

Input Parameter#

linesearch - the SNESLineSearch context

Output Parameters#

func - [optional] function evaluation routine, for calling sequence see SNESLineSearchPreCheck
ctx - [optional] user-defined context for private data for the function evaluation routine (may be NULL)

See Also#

SNESLineSearch, SNESGetLineSearch(), SNESGetLineSearch(), SNESLineSearchPreCheck(), SNESLineSearchGetPostCheck(), SNESLineSearchSetPreCheck(), SNESLineSearchSetPostCheck()

Level#

intermediate

Location#

src/snes/linesearch/interface/linesearch.c

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