/usr/include/libwildmagic/Wm5Query2.h is in libwildmagic-dev 5.13-1+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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: 5.0.0 (2010/01/01)
#ifndef WM5QUERY2_H
#define WM5QUERY2_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Query.h"
#include "Wm5Vector2.h"
namespace Wm5
{
template <typename Real>
class Query2 : public Query
{
public:
// The base class handles floating-point queries.
Query2 (int numVertices, const Vector2<Real>* vertices);
virtual ~Query2 ();
// Run-time type information.
virtual Query::Type GetType () const;
// Member access.
inline int GetNumVertices () const;
inline const Vector2<Real>* GetVertices () const;
// Queries about the relation of a point to various geometric objects.
// Returns:
// +1, on right of line
// -1, on left of line
// 0, on the line
virtual int ToLine (int i, int v0, int v1) const;
virtual int ToLine (const Vector2<Real>& test, int v0, int v1) const;
// Returns:
// +1, outside triangle
// -1, inside triangle
// 0, on triangle
virtual int ToTriangle (int i, int v0, int v1, int v2) const;
virtual int ToTriangle (const Vector2<Real>& test, int v0, int v1,
int v2) const;
// Returns:
// +1, outside circumcircle of triangle
// -1, inside circumcircle of triangle
// 0, on circumcircle of triangle
virtual int ToCircumcircle (int i, int v0, int v1, int v2) const;
virtual int ToCircumcircle (const Vector2<Real>& test, int v0, int v1,
int v2) const;
// Helper functions.
static Real Dot (Real x0, Real y0, Real x1, Real y1);
static Real Det2 (Real x0, Real y0, Real x1, Real y1);
static Real Det3 (Real x0, Real y0, Real z0, Real x1, Real y1, Real z1,
Real x2, Real y2, Real z2);
protected:
// Input points.
int mNumVertices;
const Vector2<Real>* mVertices;
};
#include "Wm5Query2.inl"
typedef Query2<float> Query2f;
typedef Query2<double> Query2d;
}
#endif
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