/usr/include/libwildmagic/Wm5DistLine3Box3.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 WM5DISTLINE3BOX3_H
#define WM5DISTLINE3BOX3_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Distance.h"
#include "Wm5Line3.h"
#include "Wm5Box3.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM DistLine3Box3
: public Distance<Real,Vector3<Real> >
{
public:
DistLine3Box3 (const Line3<Real>& line, const Box3<Real>& box);
// Object access.
const Line3<Real>& GetLine () const;
const Box3<Real>& GetBox () const;
// Static distance queries.
virtual Real Get ();
virtual Real GetSquared ();
// Function calculations for dynamic distance queries.
virtual Real Get (Real t, const Vector3<Real>& velocity0,
const Vector3<Real>& velocity1);
virtual Real GetSquared (Real t, const Vector3<Real>& velocity0,
const Vector3<Real>& velocity1);
// Access to the line parameter for the closest point. This is used by
// the ray-box and segment-box distance calculators.
Real GetLineParameter () const;
private:
using Distance<Real,Vector3<Real> >::mClosestPoint0;
using Distance<Real,Vector3<Real> >::mClosestPoint1;
void Face (int i0, int i1, int i2, Vector3<Real>& pnt,
const Vector3<Real>& dir, const Vector3<Real>& PmE,
Real& sqrDistance);
void CaseNoZeros (Vector3<Real>& pnt, const Vector3<Real>& dir,
Real& sqrDistance);
void Case0 (int i0, int i1, int i2, Vector3<Real>& pnt,
const Vector3<Real>& dir, Real& sqrDistance);
void Case00 (int i0, int i1, int i2, Vector3<Real>& pnt,
const Vector3<Real>& dir, Real& sqrDistance);
void Case000 (Vector3<Real>& pnt, Real& sqrDistance);
const Line3<Real>* mLine;
const Box3<Real>* mBox;
Real mLineParameter;
};
typedef DistLine3Box3<float> DistLine3Box3f;
typedef DistLine3Box3<double> DistLine3Box3d;
}
#endif
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