petsc-master 2019-10-21
Report Typos and Errors

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

See Also

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