From 88c810c46e8697c36b44f3cc7a82ebb21ac19c10 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 21 Aug 2007 20:57:48 +0000
Subject: * util.c (ruby_strtod): replaced by the implementation by David   M.
 Gay inspired by William D. Clinger's paper "How to Read Floating   Point
 Numbers Accurately" [Proc. ACM SIGPLAN '90, pp. 92-101].   a patch from
 Satoshi Nakagawa <snakagawa AT infoteria.co.jp>.   [ruby-dev:31582]

* test/ruby/test_float.rb (TestFloat::test_float): add test for
  precision.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@13131 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_float.rb | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb
index 47b7bf6bc..dfd1b5bb7 100644
--- a/test/ruby/test_float.rb
+++ b/test/ruby/test_float.rb
@@ -11,6 +11,8 @@ class TestFloat < Test::Unit::TestCase
     assert_equal(3, 2.6.round)
     assert_equal(-2, (-2.4).truncate)
     assert((13.4 % 1 - 0.4).abs < 0.0001)
+    assert_equal("36893488147419111424",
+                 sprintf("%20.0f", 36893488147419107329.0))
   end
 
   def nan_test(x,y)
-- 
cgit