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 - the line search context
flg - indicates whether or not to compute norms
Options Database Key#
-snes_linesearch_norms
- Turns on/off computation of the norms for basic (none)SNESLINESEARCHBASICline search
Note#
This is most relevant to the SNESLINESEARCHBASIC (or equivalently SNESLINESEARCHNONE) line search type since most line searches have a stopping criteria involving the norm.
Developer Note#
The options database key is misnamed. It should be -snes_linesearch_compute_norms
See Also#
SNES: Nonlinear Solvers, SNES, SNESLineSearch, SNESLineSearchGetNorms(), SNESLineSearchSetNorms(), SNESLineSearchComputeNorms(), SNESLINESEARCHBASIC
Level#
intermediate
Location#
src/snes/linesearch/interface/linesearch.c
Index of all SNES routines
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