SNESLineSearchGetVIFunctions#
Sets VI-specific functions for line search computation.
Synopsis#
#include "petscsnes.h"
PetscErrorCode SNESLineSearchGetVIFunctions(SNESLineSearch linesearch, SNESLineSearchVIProjectFunc *projectfunc, SNESLineSearchVINormFunc *normfunc)
Not Collective
Input Parameter#
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
See Also#
SNESLineSearch
, SNESLineSearchSetVIFunctions()
, SNESLineSearchGetPostCheck()
, SNESLineSearchGetPreCheck()
Level#
advanced
Location#
src/snes/linesearch/interface/linesearch.c
Index of all SNES routines
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