From eb41c8d2e33603bbc993ca0778421ea0f12e7fb4 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 19 Jun 2006 15:08:14 +0000
Subject: * lib/mathn.rb (Integer::prime_division): raise ZeroDivisionError  
 on zeros.  [ruby-dev:28739]

* version.h: 1.8.5 - prepare for preview1.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@10333 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/drb/drb.rb | 3 +++
 lib/mathn.rb   | 1 +
 2 files changed, 4 insertions(+)

(limited to 'lib')

diff --git a/lib/drb/drb.rb b/lib/drb/drb.rb
index 2177af871b..dac7a9b02c 100644
--- a/lib/drb/drb.rb
+++ b/lib/drb/drb.rb
@@ -430,12 +430,15 @@ module DRb
     end
   end
 
+  # An exception wrapping an error object
   class DRbRemoteError < DRbError
     def initialize(error)
       @reason = error.class.to_s
       super("#{error.message} (#{error.class})")
       set_backtrace(error.backtrace)
     end
+
+    # the class of the error, as a string.
     attr_reader :reason
   end
 
diff --git a/lib/mathn.rb b/lib/mathn.rb
index 14e2e9272c..a5a121c6c6 100644
--- a/lib/mathn.rb
+++ b/lib/mathn.rb
@@ -43,6 +43,7 @@ class Integer
   end
   
   def prime_division
+    raise ZeroDivisionError if self == 0
     ps = Prime.new
     value = self
     pv = []
-- 
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