/usr/include/libwildmagic/Wm5Ellipse3.h is in libwildmagic-dev 5.13-1ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | // 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 WM5ELLIPSE3_H
#define WM5ELLIPSE3_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Vector3.h"
namespace Wm5
{
template <typename Real>
class Ellipse3
{
public:
// Plane containing ellipse is Dot(N,X-C) = 0 where X is any point in the
// plane. Vectors U, V, and N form an orthonormal right-handed set
// (matrix [U V N] is orthonormal and has determinant 1). Ellipse within
// the plane is parameterized by X = C + a*cos(t)*U + b*sin(t)*V where
// t is an angle in [0,2*pi) and where a >= b > 0. The symbols in this
// discussion are related to the class members as follows. The member
// 'Center' is C, 'Normal' is N, 'Major' is U, 'Minor' is V, 'MajorLength'
// is a, and 'MinorLength' is b.
// Construction and destruction.
Ellipse3 (); // uninitialized
~Ellipse3();
Ellipse3 (const Vector3<Real>& center, const Vector3<Real>& normal,
const Vector3<Real>& major, const Vector3<Real>& minor,
Real majorLength, Real minorLength);
Vector3<Real> Center, Normal, Major, Minor;
Real MajorLength, MinorLength;
};
#include "Wm5Ellipse3.inl"
typedef Ellipse3<float> Ellipse3f;
typedef Ellipse3<double> Ellipse3d;
}
#endif
|