petsc-3.9.4 2018-09-11
SNESLineSearchGetVIFunctions
Sets VI-specific functions for line search computation.
Synopsis
#include "petscsnes.h"
extern PetscErrorCode SNESLineSearchGetVIFunctions(SNESLineSearch linesearch, SNESLineSearchVIProjectFunc *projectfunc, SNESLineSearchVINormFunc *normfunc)
Input Parameters
linesearch -the line search context, obtain with SNESGetLineSearch()
Output Parameters
| projectfunc | - function for projecting the function to the bounds
|
| normfunc | - function for computing the norm of an active set
|
Logically Collective on SNES
Keywords
SNES, line search, VI, nonlinear, get, line search
See Also
SNESLineSearchSetVIFunctions(), SNESLineSearchGetPostCheck(), SNESLineSearchGetPreCheck()
Level
developer
Location
src/snes/linesearch/interface/linesearch.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages