Merge latest dtoa.c [Bug #13545]
Apply some part of http://www.netlib.org/fp/dtoa.c with my eyes...
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58796 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Merge latest dtoa.c [Bug #13545]
Apply some part of http://www.netlib.org/fp/dtoa.c with my eyes...
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58796 b2dd03c8-39d4-4d8f-98ff-823fe69b080e