From 932f7a4ec38e3b4a8d7dcc500bfeb3ce9d488d44 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Mon, 4 Jun 2012 14:51:25 +1000
Subject: [PATCH] Add aspect query for extent

---
 extent.cpp | 6 ++++++
 extent.hpp | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/extent.cpp b/extent.cpp
index cc3bb28a..e03d871b 100644
--- a/extent.cpp
+++ b/extent.cpp
@@ -47,6 +47,12 @@ extent<T>::area (void) const
     { return width * height; }
 
 
+template <typename T>
+double
+extent<T>::aspect (void) const
+    { return static_cast<double> (width) / height; }
+
+
 template <typename T>
 bool
 extent<T>::empty (void) const
diff --git a/extent.hpp b/extent.hpp
index 322193ca..d8996a10 100644
--- a/extent.hpp
+++ b/extent.hpp
@@ -33,6 +33,8 @@ namespace util {
         T    area  (void) const;
         T diameter (void) const;
 
+        double aspect (void) const;
+
         bool empty (void) const;
 
         bool operator ==(const extent& rhs) const;