SimTk/openmm — pull request #227 by pgrinaway (2013-12-05 21:57:21+00:00)
Title: Implemented equality and inequality operators for BaseDimension

I added implementations of `__eq__()` and `__ne__()` methods to `simtk.unit.basedimension.BaseDimension` class, so that serialized unit objects are not erroneously considered incompatible with their own units.