Fix some include headers in codegen/test_utils.cc/h Change-Id: I769029ce2797eba0de6c7baeb76dc3f2782b6305
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.