From 6ca3ad34a044f48fa25d250076f5e8c9c8810b38 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 26 Oct 2010 12:39:33 +0000
Subject: * 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
---
 lib/scanf.rb | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'lib')

diff --git a/lib/scanf.rb b/lib/scanf.rb
index dd6ba6c9d0..50eefbcd2d 100644
--- 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
-- 
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