petsc-3.8.4 2018-03-24
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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()

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
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Index of all manual pages