SNESGetLineSearch#
Returns the line search associated with the SNES.
Synopsis#
#include "petscsnes.h"
PetscErrorCode SNESGetLineSearch(SNES snes, SNESLineSearch *linesearch)
Not Collective
Input Parameter#
snes - iterative context obtained from
SNESCreate()
Output Parameter#
linesearch - linesearch context
Notes#
It creates a default line search instance which can be configured as needed in case it has not been already set with SNESSetLineSearch().
You can also use the options database keys -snes_linesearch_* to configure the line search. See SNESLineSearchSetFromOptions() for the possible options.
See Also#
SNES: Nonlinear Solvers, SNESLineSearch, SNESSetLineSearch(), SNESLineSearchCreate(), SNESLineSearchSetFromOptions()
Level#
beginner
Location#
Examples#
src/ts/tutorials/ex22.c
src/ts/tutorials/ex27.c
src/snes/tutorials/ex3.c
src/ts/tutorials/ex22f.F90
src/ts/utils/dmplexlandau/tutorials/ex1f90.F90
src/snes/tutorials/ex1f.F90
src/snes/tutorials/ex15.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages