Allow SubsetParameterization to accept an empty vector of constant parameters. Thanks to Frédéric Devernay for reporting this and providing an initial fix. Change-Id: Id86a2051ab7841ecafdcfb00f4634b353a7ef3b4
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.