/usr/include/libwildmagic/Wm5CubicPolynomialCurve2.h is in libwildmagic-dev 5.13-1+b2.
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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: 5.0.2 (2011/07/23)
#ifndef WM5CUBICPOLYNOMIALCURVE2_H
#define WM5CUBICPOLYNOMIALCURVE2_H
#include "Wm5MathematicsLIB.h"
#include "Wm5PolynomialCurve2.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM CubicPolynomialCurve2
: public PolynomialCurve2<Real>
{
public:
// Construction and destruction. CubicPolynomialCurve2 accepts
// responsibility for deleting the input polynomials.
CubicPolynomialCurve2 (Polynomial1<Real>* xPoly,
Polynomial1<Real>* yPoly);
virtual ~CubicPolynomialCurve2 ();
// Tessellation data.
int GetNumVertices () const;
const Vector2<Real>* GetVertices () const;
Vector2<Real>* GetVertices ();
// Tessellation by recursive subdivision.
void Tessellate (int level);
protected:
using PolynomialCurve2<Real>::mTMin;
using PolynomialCurve2<Real>::mTMax;
using PolynomialCurve2<Real>::GetPosition;
using PolynomialCurve2<Real>::GetSecondDerivative;
// Support for precomputation.
class WM5_MATHEMATICS_ITEM IntervalParameters
{
public:
int I0, I1;
Vector2<Real> Xuu[2];
};
// Subdivide curve into two halves.
void Subdivide (int level, Real dsqr, Vector2<Real>* X,
IntervalParameters& IP);
// Tessellation data.
int mNumVertices;
Vector2<Real>* mVertices;
};
typedef CubicPolynomialCurve2<float> CubicPolynomialCurve2f;
typedef CubicPolynomialCurve2<double> CubicPolynomialCurve2d;
}
#endif
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