Backport #3550
Updated by jeremyevans0 (Jeremy Evans) about 5 years ago
=begin Not sure why this literal float can be raised successfully to a fractional power, but when assigned to a variable, it returns NaN. $ ruby --version ruby 1.8.7 (2009-06-12 patchlevel 174) [universal-darwin10.0] $ irb -2.21792114695341 ** 0.1 => -1.08291560040828 >> -2.21792114695341 ** 1.1 => -2.40182141051126 >> a = -2.21792114695341 => -2.21792114695341 >> a ** 0.1 => NaN # Expected: -1.08291560040828 >> a ** 1.1 => NaN # Expected: -2.40182141051126 >> -2.21792114695341.to_f ** 1.1 => NaN # Expected: -1.08291560040828 >> -2.21792114695341.to_f ** 0.1 => NaN # Expected: -2.40182141051126 >> a - -2.21792114695341 => 0.0 >> (a - -2.21792114695341).zero? => true =end