Avoid memory allocations in Accelerate Sparse[Refactor/Solve](). - Maintain scratch workspaces for solving/refactoring instead of forcing Sparse[Refactor/Solve]() to reallocate space on each call. Change-Id: Idb9eda9c9c6cc7570cfdf851e59e5bf6b39521ce
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.