petsc-3.13.6 2020-09-29
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)
|
See Also
SNESGetLineSearch(), SNESLineSearchPostCheck(), SNESLineSearchSetPreCheck(), SNESLineSearchGetPreCheck(), SNESLineSearchGetPostCheck()
Level
intermediate
Location
src/snes/linesearch/interface/linesearch.c
Examples
src/snes/tutorials/ex3.c.html
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages