* 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.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@19361 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 14 insertions, 6 deletions

diff --git a/lib/matrix.rb b/lib/matrix.rb
index b1ee76f34b..90b9587efe 100644
--- a/lib/matrix.rb
+++ b/lib/matrix.rb
@@ -402,17 +402,21 @@ class Matrix
     
     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
@@ -1087,13 +1091,17 @@ class Vector
     
     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
   
   #