SNESLineSearchSetNorms#

Gets the computed norms for for X, Y, and F.

Synopsis#

#include "petscsnes.h" 
PetscErrorCode SNESLineSearchSetNorms(SNESLineSearch linesearch, PetscReal xnorm, PetscReal fnorm, PetscReal ynorm)

Collective

Input Parameters#

  • linesearch - linesearch context

  • xnorm - The norm of the current solution

  • fnorm - The norm of the current function, this is the norm(function(X)) where X is the current solution

  • ynorm - The norm of the current update

See Also#

SNESLineSearch, SNESLineSearchGetNorms(), SNESLineSearchSetVecs()

Level#

developer

Location#

src/snes/linesearch/interface/linesearch.c

Examples#

src/snes/tutorials/ex1f.F90


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