/usr/include/libwildmagic/Wm5IntrCircle2Circle2.h is in libwildmagic-dev 5.13-1ubuntu3.
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// 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: 5.0.1 (2010/10/01)
#ifndef WM5INTRCIRCLE2CIRCLE2_H
#define WM5INTRCIRCLE2CIRCLE2_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Intersector.h"
#include "Wm5Circle2.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM IntrCircle2Circle2
: public Intersector<Real,Vector2<Real> >
{
public:
IntrCircle2Circle2 (const Circle2<Real>& circle0,
const Circle2<Real>& circle1);
// Object access.
const Circle2<Real>& GetCircle0 () const;
const Circle2<Real>& GetCircle1 () const;
// Static find-intersection query.
virtual bool Find ();
// Intersection set for static find-intersection query. The quantity Q is
// 0, 1, or 2. When Q > 0, the interpretation depends on the intersection
// type.
// IT_POINT: Q distinct points of intersection
// IT_OTHER: The circles are the same. One of the circle objects is
// returned by GetIntersectionCircle. Q is invalid.
int GetQuantity () const;
const Vector2<Real>& GetPoint (int i) const;
const Circle2<Real>& GetIntersectionCircle () const;
private:
using Intersector<Real,Vector2<Real> >::IT_EMPTY;
using Intersector<Real,Vector2<Real> >::IT_POINT;
using Intersector<Real,Vector2<Real> >::IT_OTHER;
using Intersector<Real,Vector2<Real> >::mIntersectionType;
// The objects to intersect.
const Circle2<Real>* mCircle0;
const Circle2<Real>* mCircle1;
// Points of intersection.
int mQuantity;
Vector2<Real> mPoint[2];
};
typedef IntrCircle2Circle2<float> IntrCircle2Circle2f;
typedef IntrCircle2Circle2<double> IntrCircle2Circle2d;
}
#endif
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