petsc-3.14.6 2021-03-30
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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
Table of Contents for all manual pages
Index of all manual pages