From: Run Paint Run Run Date: 2009-07-03T01:46:06+09:00 Subject: [ruby-core:24117] [Bug #1715] Numeric#arg for NaN is Inconsistent Across Versions Issue #1715 has been updated by Run Paint Run Run. The same inconsistency can be seen with #polar: $ ruby -rcomplex -e 'p (0/0.00).polar' [NaN, 0] $ ruby86 -rcomplex -e 'p (0/0.00).polar' [NaN, 3.14159265358979] ---------------------------------------- http://redmine.ruby-lang.org/issues/show/1715 ---------------------------------------- http://redmine.ruby-lang.org