MATH: Move the math classes to their own math/ dir and Math namespace.

math/matrix3.cpp

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+/* Residual - A 3D game interpreter
+ *
+ * Residual is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+
+ * This library 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
+ * Lesser General Public License for more details.
+
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "math/matrix3.h"
+
+namespace Math {
+
+Matrix3x3::Matrix3x3() :
+	Matrix(), Rotation3D(this) {
+
+}
+
+void Matrix3x3::transform(Vector3d *v) const {
+
+	Matrix<3, 1> m;
+	m(0, 0) = v->x();
+	m(1, 0) = v->y();
+	m(2, 0) = v->z();
+
+	m = *this * m;
+
+	v->set(m(0, 0), m(1, 0), m(2, 0));
+}
+
+#define DEGTORAD(a) (a * LOCAL_PI / 180.0)
+#define RADTODEG(a) (a * 180.0 / LOCAL_PI)
+
+float RadianToDegree(float rad) {
+	return (float)RADTODEG(rad);
+}
+
+float DegreeToRadian(float degrees) {
+	return (float)DEGTORAD(degrees);
+}
+
+} // end of namespace Math