From bf98e25e43c3f6efe207c3dde1732d44c34ac285 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Tue, 25 Dec 2007 09:48:53 +0000
Subject: (svn r11691) -Codechange: move+rename helpers.hpp and only include it
 when it is really needed.

---
 src/core/math_func.hpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/core/math_func.hpp')

diff --git a/src/core/math_func.hpp b/src/core/math_func.hpp
index c05e7ffeb..e20dc6065 100644
--- a/src/core/math_func.hpp
+++ b/src/core/math_func.hpp
@@ -211,4 +211,16 @@ template<typename T> static inline bool IsInsideMM(const T x, const uint min, co
 	return (uint)(x - min) < (max - min);
 }
 
+/**
+ * Type safe swap operation
+ * @param a variable to swap with b
+ * @param b variable to swap with a
+ */
+template<typename T> void Swap(T& a, T& b)
+{
+	T t = a;
+	a = b;
+	b = t;
+}
+
 #endif /* MATH_FUNC_HPP */
-- 
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