/usr/include/libwildmagic/Wm5MultipleCurve3.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 WM5MULTIPLECURVE3_H
#define WM5MULTIPLECURVE3_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Curve3.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM MultipleCurve3 : public Curve3<Real>
{
public:
// Construction and destruction for abstract base class. MultipleCurve3
// accepts responsibility for deleting the input array.
MultipleCurve3 (int numSegments, Real* times);
virtual ~MultipleCurve3 ();
// Member access.
int GetSegments () const;
const Real* GetTimes () const;
// Length-from-time and time-from-length.
virtual Real GetLength (Real t0, Real t1) const;
virtual Real GetTime (Real length, int iterations = 32,
Real tolerance = (Real)1e-06) const;
protected:
using Curve3<Real>::mTMin;
using Curve3<Real>::mTMax;
int mNumSegments;
Real* mTimes;
// These quantities are allocated by GetLength when they are needed the
// first time. The allocations occur in InitializeLength (called by
// GetLength), so this member function must be 'const'. In order to
// allocate the arrays in a 'const' function, they must be declared as
// 'mutable'.
mutable Real* mLengths;
mutable Real* mAccumLengths;
void GetKeyInfo (Real t, int& key, Real& dt) const;
void InitializeLength () const;
virtual Real GetSpeedKey (int key, Real t) const = 0;
virtual Real GetLengthKey (int key, Real t0, Real t1) const = 0;
static Real GetSpeedWithData (Real t, void* data);
};
typedef MultipleCurve3<float> MultipleCurve3f;
typedef MultipleCurve3<double> MultipleCurve3d;
}
#endif
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