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
SNESLineSearchcontext
Output Parameters#
func - [optional] function evaluation routine, for calling sequence see
SNESLineSearchSetPreCheck()ctx - [optional] user-defined context for private data for the function evaluation routine (may be
NULL)
See Also#
SNES: Nonlinear Solvers, SNES, SNESLineSearch, SNESGetLineSearch(), SNESLineSearchPreCheck(), SNESLineSearchGetPostCheck(), SNESLineSearchSetPreCheck(), SNESLineSearchSetPostCheck()
Level#
intermediate
Location#
src/snes/linesearch/interface/linesearch.c
Index of all SNES routines
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Index of all manual pages