yugui	2008-09-15 21:02:39 +0900 (Mon, 15 Sep 2008)

  New Revision: 19360

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=19360

  Log:
    * lib/matrix.rb (Matrix#eql?): fixed [ruby-dev:36298].
      Reported by an anonymous user.
    
    * lib/matrix.rb (Vector#eql?): ditto.
    
    * (Matrix#compare_by_row_vectors): takes comparison
      strategy as an optional parameter.
    
    * (Vector#compare_by): ditto.

  Modified files:
    trunk/ChangeLog
    trunk/lib/matrix.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 19359)
+++ ChangeLog	(revision 19360)
@@ -1,3 +1,15 @@
+Mon Sep 15 20:57:00 2008  Yuki Sonoda (Yugui)  <yugui@y...>
+
+	* lib/matrix.rb (Matrix#eql?): fixed [ruby-dev:36298].
+	  Reported by an anonymous user.
+
+	* lib/matrix.rb (Vector#eql?): ditto.
+
+	* (Matrix#compare_by_row_vectors): takes comparison
+	  strategy as an optional parameter.
+
+	* (Vector#compare_by): ditto.
+
 Mon Sep 15 14:34:32 2008  NARUSE, Yui  <naruse@r...>
 
 	* encoding.c (RUBY_MAX_CHAR_LEN): defined.
Index: lib/matrix.rb
===================================================================
--- lib/matrix.rb	(revision 19359)
+++ lib/matrix.rb	(revision 19360)
@@ -410,17 +410,21 @@
     
     other.compare_by_row_vectors(@rows)
   end
-  alias eql? ==
+  def eql?(other)
+    return false unless Matrix === other
+    
+    other.compare_by_row_vectors(@rows, :eql?)
+  end
   
   #
   # Not really intended for general consumption.
   #
-  def compare_by_row_vectors(rows)
+  def compare_by_row_vectors(rows, comparison = :==)
     return false unless @rows.size == rows.size
     
     0.upto(@rows.size - 1) do
       |i|
-      return false unless @rows[i] == rows[i]
+      return false unless @rows[i].send(comparison, rows[i])
     end
     true
   end
@@ -1200,13 +1204,17 @@
     
     other.compare_by(@elements)
   end
-  alias eql? ==
+  def eql?(other)
+    return false unless Vector === other
+    
+    other.compare_by(@elements, :eql?)
+  end
   
   #
   # For internal use.
   #
-  def compare_by(elements)
-    @elements == elements
+  def compare_by(elements, comparison = :==)
+    @elements.send(comparison, elements)
   end
   
   #

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