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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | // Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.0 (2010/01/01)
#ifndef WM5RVECTOR2_H
#define WM5RVECTOR2_H
#include "Wm5MathematicsLIB.h"
#include "Wm5RVector.h"
namespace Wm5
{
template <int ISIZE>
class RVector2 : public RVector<2,ISIZE>
{
public:
// Construction.
RVector2 ();
RVector2 (const RVector2& vec);
RVector2 (const RVector<2,ISIZE>& vec);
RVector2 (const Rational<ISIZE>& x, const Rational<ISIZE>& y);
// Member access.
inline Rational<ISIZE> X () const;
inline Rational<ISIZE>& X ();
inline Rational<ISIZE> Y () const;
inline Rational<ISIZE>& Y ();
// Assignment.
RVector2& operator= (const RVector2& vec);
RVector2& operator= (const RVector<2,ISIZE>& vec);
// Returns Dot(this,V).
Rational<ISIZE> Dot (const RVector2& vec) const;
// Returns (y,-x).
RVector2 Perp () const;
// Returns Cross((x,y,0),(V.x,V.y,0)) = x*V.y - y*V.x
Rational<ISIZE> DotPerp (const RVector2& vec) const;
protected:
using RVector<2,ISIZE>::mTuple;
};
#include "Wm5RVector2.inl"
}
#endif
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