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diff --git a/extern/bullet/LinearMath/SimdQuadWord.h b/extern/bullet/LinearMath/SimdQuadWord.h
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+++ b/extern/bullet/LinearMath/SimdQuadWord.h
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+/*
+
+Copyright (c) 2005 Gino van den Bergen / Erwin Coumans <www.erwincoumans.com>
+
+Permission is hereby granted, free of charge, to any person or organization
+obtaining a copy of the software and accompanying documentation covered by
+this license (the "Software") to use, reproduce, display, distribute,
+execute, and transmit the Software, and to prepare derivative works of the
+Software, and to permit third-parties to whom the Software is furnished to
+do so, all subject to the following:
+
+The copyright notices in the Software and this entire statement, including
+the above license grant, this restriction and the following disclaimer,
+must be included in all copies of the Software, in whole or in part, and
+all derivative works of the Software, unless such copies or derivative
+works are solely in the form of machine-executable object code generated by
+a source language processor.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef SIMD_QUADWORD_H
+#define SIMD_QUADWORD_H
+
+#include "SimdScalar.h"
+
+
+
+
+
+class	SimdQuadWord
+{
+	protected:
+		ATTRIBUTE_ALIGNED16	(SimdScalar	m_x);
+		SimdScalar	m_y;
+		SimdScalar	m_z;
+		SimdScalar	m_unusedW;
+
+	public:
+	
+		SIMD_FORCE_INLINE SimdScalar&       operator[](int i)       { return (&m_x)[i];	}      
+		SIMD_FORCE_INLINE const SimdScalar& operator[](int i) const { return (&m_x)[i]; }
+
+		SIMD_FORCE_INLINE const SimdScalar& getX() const { return m_x; }
+
+		SIMD_FORCE_INLINE const SimdScalar& getY() const { return m_y; }
+
+		SIMD_FORCE_INLINE const SimdScalar& getZ() const { return m_z; }
+
+		SIMD_FORCE_INLINE void	setX(float x) { m_x = x;};
+
+		SIMD_FORCE_INLINE void	setY(float y) { m_y = y;};
+
+		SIMD_FORCE_INLINE void	setZ(float z) { m_z = z;};
+
+		SIMD_FORCE_INLINE const SimdScalar& x() const { return m_x; }
+
+		SIMD_FORCE_INLINE const SimdScalar& y() const { return m_y; }
+
+		SIMD_FORCE_INLINE const SimdScalar& z() const { return m_z; }
+
+
+		operator       SimdScalar *()       { return &m_x; }
+		operator const SimdScalar *() const { return &m_x; }
+
+		SIMD_FORCE_INLINE void 	setValue(const SimdScalar& x, const SimdScalar& y, const SimdScalar& z)
+		{
+			m_x=x;
+			m_y=y;
+			m_z=z;
+		}
+
+/*		void getValue(SimdScalar *m) const 
+		{
+			m[0] = m_x;
+			m[1] = m_y;
+			m[2] = m_z;
+		}
+*/
+		SIMD_FORCE_INLINE void	setValue(const SimdScalar& x, const SimdScalar& y, const SimdScalar& z,const SimdScalar& w)
+		{
+			m_x=x;
+			m_y=y;
+			m_z=z;
+			m_unusedW=w;
+		}
+
+		SIMD_FORCE_INLINE SimdQuadWord() 
+		{
+		}
+
+		SIMD_FORCE_INLINE SimdQuadWord(const SimdScalar& x, const SimdScalar& y, const SimdScalar& z) 
+		:m_x(x),m_y(y),m_z(z)
+		//todo, remove this in release/simd ?
+		,m_unusedW(1e30f)
+		{
+		}
+
+		SIMD_FORCE_INLINE SimdQuadWord(const SimdScalar& x, const SimdScalar& y, const SimdScalar& z,const SimdScalar& w) 
+			:m_x(x),m_y(y),m_z(z),m_unusedW(w)
+		{
+		}
+
+
+};
+
+#endif //SIMD_QUADWORD_H