/usr/include/libwildmagic/Wm5IntrLine3Box3.h is in libwildmagic-dev 5.13-1ubuntu3.
This file is owned by root:root, with mode 0o644.
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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 WM5INTRLINE3BOX3_H
#define WM5INTRLINE3BOX3_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Intersector.h"
#include "Wm5Line3.h"
#include "Wm5Box3.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM IntrLine3Box3
: public Intersector<Real,Vector3<Real> >
{
public:
IntrLine3Box3 (const Line3<Real>& line, const Box3<Real>& box);
// Object access.
const Line3<Real>& GetLine () const;
const Box3<Real>& GetBox () const;
// Static intersection queries.
virtual bool Test ();
virtual bool Find ();
// The intersection set.
int GetQuantity () const;
const Vector3<Real>& GetPoint (int i) const;
private:
using Intersector<Real,Vector3<Real> >::IT_EMPTY;
using Intersector<Real,Vector3<Real> >::IT_POINT;
using Intersector<Real,Vector3<Real> >::IT_SEGMENT;
using Intersector<Real,Vector3<Real> >::mIntersectionType;
static bool Clip (Real denom, Real numer, Real& t0, Real& t1);
// The objects to intersect.
const Line3<Real>* mLine;
const Box3<Real>* mBox;
// Information about the intersection set.
int mQuantity;
Vector3<Real> mPoint[2];
public_internal:
// Shared by IntrRay3Box3 and IntrSegment3Box3.
static bool DoClipping (Real t0, Real t1, const Vector3<Real>& origin,
const Vector3<Real>& direction, const Box3<Real>& box, bool solid,
int& quantity, Vector3<Real> point[2], int& intrType);
};
typedef IntrLine3Box3<float> IntrLine3Box3f;
typedef IntrLine3Box3<double> IntrLine3Box3d;
}
#endif
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