tree 1ff6bf1fd63e30708c58162829ff587f06fe7ed6
parent 54893ba523106e38ab06eb72fb5d8748685c7797
author Sameer Agarwal <sameeragarwal@google.com> 1407447033 -0700
committer Sameer Agarwal <sameeragarwal@google.com> 1407905905 -0700

Preprocessor for the TrustRegionMinimizer.

1. Base class for preprocessors.
2. A preprocessor for problems that will be solved using
   the trust region minimizer.
3. Added sanity tests to the program reordering options
   for Schur type linear solvers.
4. Tests for the TrustRegionPreprocessor.

Change-Id: I88cd926f0053bbbf2bd6b11e03ec55b8bf473cf1