petsc-3.7.1 2016-05-15
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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() Many br

Output Parameters

projectfunc - function for projecting the function to the bounds Many br
normfunc - function for computing the norm of an active set Many br

Logically Collective on SNES Many br

Many br

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