boostorg/geometry — pull request #53 by smspillaz (2014-05-29 16:10:24+00:00)
Title: [geometry][test] Fix concept check failures.

The functions in arithmetic.hpp would check the concepts Point and ConstPoint
on Point2, instead of checking Point on Point1 and ConstPoint on Point2.

This would cause concept check failures when attempting to operate from
a ConstPoint.