Initial commit based on GLM 0.9.B.1 code

glm/gtx/integer.hpp

@@ -0,0 +1,50 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2010 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-24
+// Updated : 2006-11-14
+// Licence : This source is under MIT License
+// File    : glm/gtx/integer.hpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef glm_gtx_integer
+#define glm_gtx_integer
+
+// Dependency:
+#include "../glm.hpp"
+
+namespace glm
+{
+	namespace gtx{
+	//! GLM_GTX_integer extension: Add support for integer for core functions
+	namespace integer
+	{
+		//! Returns x raised to the y power. 
+		//! From GLM_GTX_integer extension.
+		int pow(int x, int y);
+
+		//! Returns the positive square root of x.
+		//! From GLM_GTX_integer extension.
+		int sqrt(int x);
+
+		//! Modulus. Returns x - y * floor(x / y) for each component in x using the floating point value y.
+		//! From GLM_GTX_integer extension.
+		int mod(int x, int y);
+
+		//! Return the factorial value of a number (!12 max, integer only)
+		//! From GLM_GTX_integer extension.
+		template <typename genType> 
+		genType factorial(genType const & x);
+
+	}//namespace integer
+	}//namespace gtx
+}//namespace glm
+
+#include "integer.inl"
+
+namespace glm{using namespace gtx::integer;}
+
+#endif//glm_gtx_integer