Fix use of conditional preprocessor checks within a macro in tests - These are non-standard C++, and whilst they are accepted by GCC and Clang on *NIX and macOS, they are rejected by MSVC. Change-Id: Ie627d74bb02ebdce3dc5e13c2010616c26cb5dea
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.