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diff --git a/intern/moto/include/MT_Tuple4.h b/intern/moto/include/MT_Tuple4.h
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+/**
+ * $Id$
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+
+/*
+
+ * Copyright (c) 2000 Gino van den Bergen <gino@acm.org>
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Gino van den Bergen makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ */
+
+#ifndef MT_TUPLE4_H
+#define MT_TUPLE4_H
+
+#include "MT_Stream.h"
+#include "MT_Scalar.h"
+
+class MT_Tuple4 {
+public:
+    MT_Tuple4() {}
+    MT_Tuple4(const float *v) { setValue(v); }
+    MT_Tuple4(const double *v) { setValue(v); }
+    MT_Tuple4(MT_Scalar x, MT_Scalar y, MT_Scalar z, MT_Scalar w) {
+        setValue(x, y, z, w);
+    }
+    
+    MT_Scalar&       operator[](int i)       { return m_co[i]; }
+    const MT_Scalar& operator[](int i) const { return m_co[i]; }
+    
+    MT_Scalar&       x()       { return m_co[0]; } 
+    const MT_Scalar& x() const { return m_co[0]; } 
+
+    MT_Scalar&       y()       { return m_co[1]; }
+    const MT_Scalar& y() const { return m_co[1]; } 
+
+    MT_Scalar&       z()       { return m_co[2]; } 
+    const MT_Scalar& z() const { return m_co[2]; } 
+
+    MT_Scalar&       w()       { return m_co[3]; } 
+    const MT_Scalar& w() const { return m_co[3]; } 
+
+    MT_Scalar       *getValue()       { return m_co; }
+    const MT_Scalar *getValue() const { return m_co; }
+    
+
+    void getValue(float *v) const { 
+        v[0] = float(m_co[0]);
+		v[1] = float(m_co[1]); 
+		v[2] = float(m_co[2]); 
+		v[3] = float(m_co[3]);
+    }
+    
+    void getValue(double *v) const { 
+        v[0] = double(m_co[0]); 
+		v[1] = double(m_co[1]); 
+		v[2] = double(m_co[2]); 
+		v[3] = double(m_co[3]);
+    }
+    
+    void setValue(const float *v) {
+        m_co[0] = MT_Scalar(v[0]); 
+        m_co[1] = MT_Scalar(v[1]); 
+        m_co[2] = MT_Scalar(v[2]); 
+        m_co[3] = MT_Scalar(v[3]);
+    }
+    
+    void setValue(const double *v) {
+        m_co[0] = MT_Scalar(v[0]); 
+        m_co[1] = MT_Scalar(v[1]); 
+        m_co[2] = MT_Scalar(v[2]); 
+        m_co[3] = MT_Scalar(v[3]);
+    }
+    
+    void setValue(MT_Scalar x, MT_Scalar y, MT_Scalar z, MT_Scalar w) {
+        m_co[0] = x; m_co[1] = y; m_co[2] = z; m_co[3] = w;
+    }
+    
+protected:
+    MT_Scalar m_co[4];                            
+};
+
+inline bool operator==(const MT_Tuple4& t1, const MT_Tuple4& t2) {
+    return t1[0] == t2[0] && t1[1] == t2[1] && t1[2] == t2[2] && t1[3] == t2[3];
+}
+
+inline MT_OStream& operator<<(MT_OStream& os, const MT_Tuple4& t) {
+    return os << t[0] << ' ' << t[1] << ' ' << t[2] << ' ' << t[3];
+}
+
+#endif