From 439a1e64d17d31ba53ed097a432ecc0df522a0fb Mon Sep 17 00:00:00 2001
From: marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 20 Oct 2009 19:01:31 +0000
Subject: [PATCH] * lib/matrix.rb (empty): Improved rdoc

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25422 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/matrix.rb | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/matrix.rb b/lib/matrix.rb
index 2b50e40fa5..7c546c3a7a 100644
--- a/lib/matrix.rb
+++ b/lib/matrix.rb
@@ -229,8 +229,15 @@ class Matrix
   #
   # Creates a empty matrix of +row_size+ x +column_size+.
   # +row_size+ or +column_size+ must be 0.
-  #   Matrix.empty(4,0).inspect_org
-  #     => "#<Matrix:*** @column_size=0, @rows=[[], [], [], []]>"
+  #
+  #   m = Matrix.empty(2, 0)
+  #   m == Matrix[ [], [] ]
+  #     => true
+  #   n = Matrix.empty(0, 3)
+  #   n == Matrix.columns([ [], [], [] ])
+  #     => true
+  #   m * n
+  #     => Matrix[[0, 0, 0], [0, 0, 0]]
   #
   def Matrix.empty(row_size = 0, column_size = 0)
     Matrix.Raise ErrDimensionMismatch if column_size != 0 && row_size != 0