Bug #3790: Float(‘0x’) e$B$,%(%i!<$K$J$i$J$$e(B
http://redmine.ruby-lang.org/issues/show/3790
e$B5/I<<Te(B: tadayoshi funaba
e$B%9%F!<%?%9e(B: Open, e$BM%@hEYe(B: Low
ruby -v: ruby 1.9.3dev (2010-09-04) [i686-linux]
Float(‘0x’) e$B$,%(%i!<$K$J$i$J$$!#e(B
Integer(‘0x’) # ArgumentError: invalid value for Integer(): “0x”
Float(‘0x’) #=> 0.0