Use absl::time Replace WallTimeInSeconds with absl::Now and use absl::Time and absl::Duration objects instead of doubles. wall_time.h/cc -> event_logger.h/cc Change-Id: I41279961368840fbdf6bb3456ffdbdf2f9bfb85b
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.