petsc-3.12.5 2020-03-29
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SNESGetLineSearch

 Returns a pointer to the line search context set with SNESSetLineSearch() or creates a default line search instance associated with the SNES and returns it.

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

See Also

SNESSetLineSearch(), SNESLineSearchCreate()

Level

beginner

Location

src/snes/interface/snes.c

Examples

src/snes/examples/tutorials/ex3.c.html
src/snes/examples/tutorials/ex15.c.html
src/snes/examples/tutorials/ex1f.F90.html
src/ts/examples/tutorials/ex22.c.html
src/ts/examples/tutorials/ex22f.F.html

Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages