petsc-3.14.5 2021-03-03
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# SNESSetLineSearch

Sets the linesearch on the SNES instance.

### Synopsis

    #include "petscsnes.h"
    PetscErrorCode SNESSetLineSearch(SNES snes, SNESLineSearch linesearch)

Collective on SNES

### Input Parameters

| snes | - iterative context obtained from SNESCreate()
| linesearch | - the linesearch object

### Notes

Use SNESGetLineSearch() to retrieve the preconditioner context (for example, to configure it using the API).

### See Also

SNESGetLineSearch()

### Level

developer

### Location

src/snes/interface/snes.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages