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034bf566f0710a46aa6a0ea0383670ec70a68d83
abs() implementation does not correctly handle the sign of the infinitesimal part when the value is a NaN. Define the function in terms of copysign which is the only portable way of manipulating the sign of a NaN value. Change-Id: I2f13fb1db62d35ca8b09e6bff1c05a736cb91513
Ceres Solver
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.
- Non-linear Least Squares problems with bounds constraints.
- General unconstrained optimization problems.
Please see ceres-solver.org for more information.
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