Make EventLogger more efficient. If VLOG(3) is not enabled, then eliminate all work done by the EventLogger constructor. Change-Id: I0f8512dcb275b68ad443b2e26bc1da58a3238b0a
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.