667f4278b3
Fix test failures on Chrome 33. The trig functions in V8 have changed, and are may change again (see https://code.google.com/p/v8/issues/detail?id=3006 for the full story). As a result, we no longer rely on Vincenty for antipodal distance calculations (not recommended anyway), and we use a very low precision match for testing cosine distance on a sphere.