From 3d73162d8433cae04f1540e687dd60728862f4e1 Mon Sep 17 00:00:00 2001
From: Sandor Szuecs <sandor.szuecs@fu-berlin.de>
Date: Sun, 15 May 2011 19:42:15 +0200
Subject: [PATCH 1/2] init cmath doc with a small example.


Signed-off-by: Sandor Szuecs <sandor.szuecs@fu-berlin.de>
---
 lib/cmath.rb |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/lib/cmath.rb b/lib/cmath.rb
index 3c94221..8a47b5f 100644
--- a/lib/cmath.rb
+++ b/lib/cmath.rb
@@ -1,3 +1,10 @@
+# This module provides access to mathematical functions for complex
+# numbers.
+# 
+# Example 
+#   # Square root of a negative number is a complex number.
+#   CMath.sqrt(-9)  #=> 0+3.0i
+#
 module CMath
 
   include Math
-- 
1.7.5.1