* lib/scanf.rb (extract_float): allow 2.e+2 style.

[ruby-dev:42452] #3978 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29599 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-10-26 12:39:33 +00:00 · 2010-10-26 12:39:33 +00:00 · 6ca3ad34a0
parent 767d70841a
commit 6ca3ad34a0
2 changed files with 7 additions and 0 deletions
--- a/5
+++ b/5
@ -1,3 +1,8 @@
+Tue Oct 26 18:51:00 2010  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* lib/scanf.rb (extract_float): allow 2.e+2 style.
+	  [ruby-dev:42452] #3978
+
 Tue Oct 26 18:09:36 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>

 	* Makefile.in (ASFLAGS): needs INCFLAGS.
--- a/lib/scanf.rb
+++ b/lib/scanf.rb
@ -321,6 +321,8 @@ module Scanf
          end
        end
        (sign == ?- ? -1 : 1) * Math.ldexp(f, exp.to_i)
+      elsif /\A([-+]?\d+)\.([eE][-+]\d+)/ =~ s
+        ($1 << $2).to_f
      else
        s.to_f
      end