petsc-3.10.5 2019-03-28
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SNESLineSearchSetPostCheck

 Sets a user function that is called after the line search has been applied to determine the step direction and length. Allows the user a chance to change or override the decision of the line search routine

Synopsis

#include "petscsnes.h" 
PetscErrorCode  SNESLineSearchSetPostCheck(SNESLineSearch linesearch, PetscErrorCode (*func)(SNESLineSearch,Vec,Vec,Vec,PetscBool*,PetscBool*,void*),void *ctx)
Logically Collective on SNESLineSearch

Input Parameters

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

Keywords

set, linesearch, post-check

See Also

SNESGetLineSearch(), SNESLineSearchPostCheck(), SNESLineSearchSetPreCheck(), SNESLineSearchGetPreCheck(), SNESLineSearchGetPostCheck()

Level

intermediate

Location

src/snes/linesearch/interface/linesearch.c

Examples

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

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