petsc-3.11.4 2019-09-28
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