Delete unused files split.h/cc Change-Id: I67a4542389a0c1162875975efd23cdfbe797c6bc
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.