Remove a CHECK failure from covariance_impl.cc The CHECK was to see if SuiteSparseQR returns a non-null QR factorization. However this can cause problems in production, so its better to return false and let the user deal with the failure in factorization. Change-Id: I4e67f343e30547f4257d0315d507df9864c06dcc
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.