From bef8e4557c260e4eccb6266c874b37b32b3ee7a9 Mon Sep 17 00:00:00 2001
From: ayumin <ayumin@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 8 May 2014 18:22:29 +0000
Subject: * lib/prime.rb (Prime#prime?): negative numbers can't be primes   by
 definition. reported by Ivan Kataitsev. [Bug #7395] * test/test_prime.rb: add
 test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45878 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/prime.rb | 1 -
 1 file changed, 1 deletion(-)

(limited to 'lib')

diff --git a/lib/prime.rb b/lib/prime.rb
index f359c12693..6d3936e317 100644
--- a/lib/prime.rb
+++ b/lib/prime.rb
@@ -157,7 +157,6 @@ class Prime
   # +value+:: an arbitrary integer to be checked.
   # +generator+:: optional. A pseudo-prime generator.
   def prime?(value, generator = Prime::Generator23.new)
-    value = -value if value < 0
     return false if value < 2
     for num in generator
       q,r = value.divmod num
-- 
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