Remove an unused variable from CudaSparseMatrix Change-Id: Id9c969fda8d636dc793b98b452b2aaffacb11180
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.