AnalyticalGraphicsInc/cesium — pull request #2311 by bagnell (2014-12-06 01:05:19+00:00)
Title: Simplify Math functions.

Simplify functions to find equivalent angles in the [-pi, pi] and [0, 2 * pi] ranges. We'll use one of these when allowing extents/rectangles cross +/- 180 degrees longitude.