From d749be578a253e3dbc7e37402118ae2792a0d45b Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Sun, 16 Oct 2011 14:57:43 +1100
Subject: [PATCH] Add an exact_equal operator to avoid warnings

---
 maths.hpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/maths.hpp b/maths.hpp
index 0bdd139d..9f57d8ad 100644
--- a/maths.hpp
+++ b/maths.hpp
@@ -79,6 +79,15 @@ bool
 almost_equal (const double &a, const double &b);
 
 
+// Useful for explictly ignore equality warnings
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wfloat-equal"
+template <typename T>
+bool
+exact_equal (const T &a, const T &b) 
+    { return a == b; }
+#pragma GCC diagnostic pop
+
 /// Variadic minimum
 template <typename T>
 const T&