vector.h

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// -*- C++ -*-

/*
 * Gnome Chemistry Utils
 * vector.h
 *
 * Copyright (C) 2007-2010 Jean Bréfort <jean.brefort@normalesup.org>
 *
 * 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 3 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 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 * USA
 */

#ifndef GCU_VECTOR_H
#define GCU_VECTOR_H

#include "macros.h"

namespace gcu
{

class Vector
{
public:
        Vector ();
        Vector (double x, double y, double z);
        Vector (double d[3]);
        Vector (Vector const &v);

        Vector operator+ (Vector const &v) const;
        Vector operator- (Vector const &v) const;
        Vector operator* (double m) const;
        Vector operator/ (double d) const;
        Vector operator*= (double m);
        Vector operator/= (double d);
        double operator[] (unsigned i) const;

        double GetLength () const;
        Vector CreateOrthogonal () const;
        Vector Cross (Vector const &v) const;

GCU_PROP (double, X)
GCU_PROP (double, Y)
GCU_PROP (double, Z)
};

Vector operator* (double f, Vector const& v);

class Vector3f
{
public:
        Vector3f ();
        Vector3f (float x, float y, float z);
        ~Vector3f ();

        void normalize ();
        Vector3f &operator= (Vector3f const& other);
        Vector3f operator- (Vector3f const& other) const;
        Vector3f operator+ (Vector3f const& other) const;
        Vector3f operator* (float f) const;

private:
        GCU_PROP (float, x);
        GCU_PROP (float, y);
        GCU_PROP (float, z);
};

Vector3f operator* (float f, Vector3f const& v);

}       //namespace gcu

#endif //GCU_VECTOR_H