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// -*-c++-*-
// fixg2sxd - a utility to convert fig to sxd format
// Copyright (C) 2003-2008 Alexander Bürger, acfb@users.sourceforge.net
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#ifndef VECTOR2_H
#define VECTOR2_H
#include <cmath>
template<typename T>
class Vector2
{
T x, y;
public:
Vector2()
: x( 0 ), y( 0 ) { }
Vector2( T xx, T yy )
: x( xx ), y( yy ) { }
Vector2 operator+(Vector2 const& o) const
{ return Vector2( x+o.x, y+o.y ); }
Vector2 operator-(Vector2 const& o) const
{ return Vector2( x-o.x, y-o.y ); }
Vector2 operator*(T f) const
{ return Vector2( x*f, y*f ); }
Vector2 operator/(T f) const
{ return Vector2( x/f, y/f ); }
Vector2 norm() const
{ return Vector2( x/length(), y/length() ); }
T operator*(Vector2 const& o) const
{ return x*o.x + y*o.y; }
T length() const
{ return sqrt( x*x + y*y ); }
void X( T xx )
{ x = xx; }
void Y( T yy )
{ y = yy; }
T X() const
{ return x; }
T Y() const
{ return y; }
bool operator==(Vector2 const& o) const
{ return x == o.x && y == o.y; }
};
template<typename T>
inline Vector2<T> operator*(T f, Vector2<T> v)
{ return Vector2<T>( v.X()*f, v.Y()*f ); }
typedef Vector2<float> Vector2f;
typedef Vector2<int> Vector2i;
#endif // VECTOR2_H
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