petsc-dev 2014-08-01
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SNESLineSearchGetNorms

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

Synopsis

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

Input Parameters

linesearch -linesearch context

Output Parameters

xnorm - The norm of the current solution
fnorm - The norm of the current function
ynorm - The norm of the current update

Notes

This function is mainly called from SNES implementations.

See Also

SNESLineSearchSetNorms() SNESLineSearchGetVecs()

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