petsc-3.9.4 2018-09-11
SNESLineSearchSetComputeNorms
Turns on or off the computation of final norms in the line search.
Synopsis
#include "petscsnes.h"
PetscErrorCode SNESLineSearchSetComputeNorms(SNESLineSearch linesearch, PetscBool flg)
Input Parameters
| linesearch | - linesearch context
|
| flg | - indicates whether or not to compute norms
|
Options Database Keys
-snes_linesearch_norms <true> -Turns on/off computation of the norms for basic linesearch
Notes
This is most relevant to the SNESLINESEARCHBASIC line search type since most line searches have a stopping criteria involving the norm.
See Also
SNESLineSearchGetNorms(), SNESLineSearchSetNorms(), SNESLineSearchComputeNorms(), SNESLINESEARCHBASIC
Level
intermediate
Location
src/snes/linesearch/interface/linesearch.c
Index of all SNES routines
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Index of all manual pages