astropy/astropy — pull request #1121 by taldcroft (2013-05-22 15:10:12+00:00)
Title: Fix precision of time tests

Tests for the time class had been using `np.allclose` with default `rtol` and `atol` parameters. This was inadequate and instead the tests now probe down to near the double precision limits.

This initially surfaced during investigation of #1118.