tree b5ebb134511e9b1c2331861e9daa5f449bbd632f
parent f949bab4404845a319af86f60778cd39766ae929
author Sameer Agarwal <sameeragarwal@google.com> 1392760715 -0800
committer Sameer Agarwal <sameeragarwal@google.com> 1392766437 -0800

Add line search to the trust region minimizer.

If enabled, the TrustRegionMinimizer can now further improve the
quality of the step with a Armijo line search.

This is the first step towards adding support for bounds on
variables.

Change-Id: I453b42853cfa6ca4f75812900c13d286a473c2df