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+#ifndef point_h
+#define point_h
+// point.h
+// nono - programme du robot 2004. {{{
+//
+// Copyright (C) 2004 Nicolas Schodet
+//
+// Robot APB Team/Efrei 2004.
+// Web: http://assos.efrei.fr/robot/
+// Email: robot AT efrei DOT fr
+//
+// 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 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.
+//
+// }}}
+
+#include <iostream>
+
+/// Structure repésentant un point.
+struct Point
+{
+ /// Coordonnées.
+ double x, y;
+ /// Constructeur.
+ Point (void) : x (0.0), y (0.0) { }
+ Point (double x_, double y_) : x (x_), y (y_) { }
+ //@{
+ /// Opérations.
+ Point &operator+= (const Point &rhs);
+ Point operator+ (const Point &rhs) const;
+ Point &operator-= (const Point &rhs);
+ Point operator- (const Point &rhs) const;
+ Point &operator*= (const Point &rhs);
+ Point operator* (const Point &rhs) const;
+ Point &operator*= (double rhs);
+ Point operator* (double rhs) const;
+ //@}
+};
+
+/// Sort sur un ostream.
+std::ostream &
+operator<< (std::ostream &os, const Point &p);
+
+// Inlines.
+
+/// Opérations.
+inline Point &
+Point::operator+= (const Point &rhs)
+{
+ x += rhs.x;
+ y += rhs.y;
+ return *this;
+}
+
+inline Point
+Point::operator+ (const Point &rhs) const
+{
+ Point p (*this);
+ p += rhs;
+ return p;
+}
+
+inline Point &
+Point::operator-= (const Point &rhs)
+{
+ x -= rhs.x;
+ y -= rhs.y;
+ return *this;
+}
+
+inline Point
+Point::operator- (const Point &rhs) const
+{
+ Point p (*this);
+ p -= rhs;
+ return p;
+}
+
+inline Point &
+Point::operator*= (const Point &rhs)
+{
+ x *= rhs.x;
+ y *= rhs.y;
+ return *this;
+}
+
+inline Point
+Point::operator* (const Point &rhs) const
+{
+ Point p (*this);
+ p *= rhs;
+ return p;
+}
+
+inline Point &
+Point::operator*= (double rhs)
+{
+ x *= rhs;
+ y *= rhs;
+ return *this;
+}
+
+inline Point
+Point::operator* (double rhs) const
+{
+ Point p (*this);
+ p *= rhs;
+ return p;
+}
+
+/// Sort sur un ostream.
+inline std::ostream &
+operator<< (std::ostream &os, const Point &p)
+{
+ os << p.x << ' ' << p.y;
+ return os;
+}
+
+#endif // point_h