Version bump to 0.0.0

Gemfile.lock

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+GEM
+  remote: http://rubygems.org/
+  specs:
+    git (1.2.5)
+    jeweler (1.6.4)
+      bundler (~> 1.0)
+      git (>= 1.2.5)
+      rake
+    rake (0.9.2.2)
+    rcov (0.9.11)
+    shoulda (2.11.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  bundler (~> 1.0.0)
+  jeweler (~> 1.6.4)
+  rcov
+  shoulda

README

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+Basic library to do math on ranges, i.e. (3..4) + 5 = (8..9) and so on.

VERSION

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+0.0.0

lib/range_math.rb

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+#!/usr/bin/env ruby
+# coding: utf-8
+# Copyright muflax <mail@muflax.com>, 2011
+# License: GNU GPL 3 <http://www.gnu.org/copyleft/gpl.html>
+
+class Range
+  def +(other)
+    if other.is_a? Range
+      (self.begin + other.begin)..(self.end + other.end)
+    elsif other.is_a?  Numeric
+      (self.begin + other)..(self.end + other)
+    else
+      raise NoMethodError
+    end
+  end
+
+  def -(other)
+    if other.is_a? Range
+      (self.begin - other.begin)..(self.end - other.end)
+    elsif other.is_a?  Numeric
+      (self.begin - other)..(self.end - other)
+    else
+      raise NoMethodError
+    end
+  end
+
+  def *(other)
+    if other.is_a? Range
+      (self.begin * other.begin)..(self.end * other.end)
+    elsif other.is_a?  Numeric
+      (self.begin * other)..(self.end * other)
+    else
+      raise NoMethodError
+    end
+  end
+
+  def /(other)
+    if other.is_a? Range
+      (self.begin / other.begin.to_f)..(self.end / other.end.to_f)
+    elsif other.is_a?  Numeric
+      (self.begin / other.to_f)..(self.end / other.to_f)
+    else
+      raise NoMethodError
+    end
+  end
+
+  def average
+    (self.begin + self.end) / 2.0
+  end
+end