petsc-3.6.1 2015-08-06
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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 Parameters

linesearch -the SNESLineSearch context

Output Parameters

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

Keywords

get, linesearch, pre-check

See Also

SNESLineSearchGetPostCheck(), SNESLineSearchSetPreCheck()

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

Examples

src/snes/examples/tutorials/ex3.c.html