Fixed gflags dependency Both test_util and gtest depend directly on gflags. Change-Id: Ia3699f4710cb86710ffd547149ffa08e678f6df9
Ceres Solver is an open source C++ library for modeling and solving large, complicated optimization problems. It is a feature rich, mature and performant library which has been used in production at Google since 2010. Ceres Solver can solve two kinds of problems.
Please see ceres-solver.org for more information.