/usr/include/libwildmagic/Wm5BSplineCurveFit.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 WM5BSPLINECURVEFIT_H
#define WM5BSPLINECURVEFIT_H
#include "Wm5MathematicsLIB.h"
#include "Wm5BSplineFitBasis.h"
#include "Wm5BandedMatrix.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM BSplineCurveFit
{
public:
// Construction and destruction. The preconditions for calling the
// constructor are
// 1 <= degree && degree < numControls <= numSamples
// The samples point are contiguous blocks of dimension real value
// stored in sampleData.
BSplineCurveFit (int dimension, int numSamples,
const Real* sampleData, int degree, int numControls);
~BSplineCurveFit ();
// Access to input sample information.
int GetDimension () const;
int GetSampleQuantity () const;
const Real* GetSampleData () const;
// Access to output control point and curve information.
int GetDegree () const;
int GetControlQuantity () const;
const Real* GetControlData () const;
const BSplineFitBasis<Real>& GetBasis () const;
// Evaluation of the B-spline curve. It is defined for 0 <= t <= 1. If
// a t-value is outside [0,1], an open spline clamps it to [0,1]. The
// caller must ensure that position[] has (at least) 'dimension'
// elements.
void GetPosition (Real t, Real* position) const;
private:
// Input sample information.
int mDimension;
int mNumSamples;
const Real* mSampleData;
// The fitted B-spline curve, open and with uniform knots.
int mDegree;
int mNumControls;
Real* mControlData;
BSplineFitBasis<Real> mBasis;
};
typedef BSplineCurveFit<float> BSplineCurveFitf;
typedef BSplineCurveFit<double> BSplineCurveFitd;
}
#endif
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