SNESLineSearchGetReason — PETSc 3.21.4 documentation

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# SNESLineSearchGetReason

Gets the success/failure status of the last line search application

## Synopsis

    #include "petscsnes.h"
    PetscErrorCode SNESLineSearchGetReason(SNESLineSearch linesearch, SNESLineSearchReason *result)

## Input Parameter

- linesearch - the line search context

## Output Parameter

- result - The success or failure status

## Note

This is typically called after `SNESLineSearchApply()` in order to determine if the line search failed (and set into the `SNES` convergence accordingly).

## See Also

SNES: Nonlinear Solvers, `SNES`, `SNESLineSearch`, `SNESLineSearchSetReason()`, `SNESLineSearchReason`

## Level

developer

## Location

src/snes/linesearch/interface/linesearch.c

Index of all SNES routines
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Index of all manual pages