TaoLineSearchAppendOptionsPrefix — PETSc 3.25.0 documentation

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# TaoLineSearchAppendOptionsPrefix

Appends to the prefix used for searching for all `TaoLineSearch` options in the database.

## Synopsis

    #include "petsctaolinesearch.h"
    PetscErrorCode TaoLineSearchAppendOptionsPrefix(TaoLineSearch ls, const char p[])

Collective

## Input Parameters

- ls - the `TaoLineSearch` solver context

- p - the prefix string to prepend to all line search requests

## Notes

A hyphen (-) must NOT be given at the beginning of the prefix name. The first character of all runtime options is AUTOMATICALLY the hyphen.

This is inherited from the `Tao` object so rarely needs to be set

## See Also

TAO: Optimization Solvers, `Tao`, `TaoLineSearch`, `TaoLineSearchSetOptionsPrefix()`, `TaoLineSearchGetOptionsPrefix()`

## Level

advanced

## Location

src/tao/linesearch/interface/taolinesearch.c

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