Add more invariants and documentation to manifold_test.cc Change-Id: I62e040679cc4fd4c5a7486885ebb4ad1a08b7b45
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.