tree 894e489f0cbae5c77f8c0a3b26df7dc633aec77e
parent 620ca9d0668cd4a00402264fddca3cf6bd2e7265
author Sameer Agarwal <sameeragarwal@google.com> 1460984458 -0700
committer Keir Mierle <mierle@gmail.com> 1461024486 +0000

Fix step norm evaluation in LineSearchMinimizer

TrustRegionMinimizer evaluates the size of the step
taken in the ambient space, where as the LineSearchMinimizer
was using the norm in the tangent space. This change fixes
this discrepancy.

Change-Id: I9fef64cbb5622c9769c0413003cfb1dc6e89cfa3