Bug #781: Numeric#step e$B$Ge(B step e$B$H$7$Fe(B Infinity
e$B$r$D$+$&$He(B NaN e$B$r@8@.$9$k$3$H$,$"$ke(B
http://redmine.ruby-lang.org/issues/show/781
e$B5/I<<Te(B: tadayoshi funaba
e$B%9%F!<%?%9e(B: Open, e$BM%@hEYe(B: Normal
1.0/0 = Infinity e$B$H$7$Fe(B
$ ./ruby -ve “0.step(10,1.0/0){|x| p x}”
ruby 1.9.0 (2008-11-24 revision 20336) [i686-linux]
NaN
1.8 e$B$bF1$8$G$9$,!"e(B1.6 e$B$O$J$j$^$;$s!#e(B
$ ruby168 -ve “0.step(10,1.0/0){|x| p x}”
ruby 1.6.8 (2002-12-24) [i686-linux]
0