First Commit.

wrap/utils.h

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+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004                                                \/)\/    *
+* Visual Computing Lab                                            /\/|      *
+* ISTI - Italian National Research Council                           |      *
+*                                                                    \      *
+* All rights reserved.                                                      *
+*                                                                           *
+* 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.                                       *
+*                                                                           *
+* 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 (http://www.gnu.org/licenses/gpl.txt)          *
+* for more details.                                                         *
+*                                                                           *
+****************************************************************************/
+
+/****************************************************************************
+History
+
+$Log: not supported by cvs2svn $
+
+****************************************************************************/
+
+#ifndef __VCGLIB_WRAPUTILS_H
+#define __VCGLIB_WRAPUTILS_H
+
+// vcg headers
+#include <vcg/math/base.h>
+#include <vcg/space/point3.h>
+
+namespace vcg {
+
+class EmptyClass {
+public:
+	typedef EmptyClass ClassType;
+};
+
+class GetPointerFunctor {
+public:
+	typedef GetPointerFunctor ClassType;
+
+	template <class T>
+	inline T * operator () (T & t) {
+		return (&t);
+	}
+
+	template <class T>
+	inline T * operator () (T * & t) {
+		return (t);
+	}
+};
+
+template <class SCALARTYPE>
+inline Point3<SCALARTYPE> Abs(const Point3<SCALARTYPE> & p) {
+	return (Point3<SCALARTYPE>(math::Abs(p[0]), math::Abs(p[1]), math::Abs(p[2])));
+}
+
+template <class SCALARTYPE>
+inline Point3<SCALARTYPE> LowClampToZero(const Point3<SCALARTYPE> & p) {
+	return (Point3<SCALARTYPE>(math::Max(p[0], (SCALARTYPE)0), math::Max(p[1], (SCALARTYPE)0), math::Max(p[2], (SCALARTYPE)0)));
+}
+
+} // end namespace vcg
+
+#endif // #ifndef __VCGLIB_WRAPUTILS_H