[test][util] replace compile time check that uses __cplusplus
with BOOST_NO_LONG_LONG
[test][util] replace 2LL literal by boost::long_long_type(2)
Merge pull request #60 from mkaravel/feature/math-sqrt

[test][util] replace compile time check that uses __cplusplus
Merge branch 'develop' of https://github.com/boostorg/geometry into feature/is_simple
[test][is_valid] re-factor code so that when an open ring is tested,
the corresponding closed ring is tested as well.