/usr/include/libwildmagic/Wm5IntpAkima1.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.
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 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | // 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: 5.0.1 (2010/10/01)
#ifndef WM5INTPAKIMA1_H
#define WM5INTPAKIMA1_H
#include "Wm5MathematicsLIB.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM IntpAkima1
{
public:
// Abstract base class.
virtual ~IntpAkima1 ();
class WM5_MATHEMATICS_ITEM Polynomial
{
public:
// P(x) = c[0] + c[1]*x + c[2]*x^2 + c[3]*x^3
inline Real& operator[] (int i) { return mCoeff[i]; }
Real operator() (Real x) const;
Real operator() (int order, Real x) const;
private:
Real mCoeff[4];
};
int GetQuantity () const;
const Real* GetF () const;
const Polynomial* GetPolynomials () const;
const Polynomial& GetPolynomial (int i) const;
virtual Real GetXMin () const = 0;
virtual Real GetXMax () const = 0;
// Evaluate the function and its derivatives. The application is
// responsible for ensuring that xmin <= x <= xmax. If x is outside the
// extremes, the function returns MAXREAL. The first operator is for
// function evaluation. The second operator is for function or derivative
// evaluations. The uiOrder argument is the order of the derivative, zero
// for the function itself.
Real operator() (Real x) const;
Real operator() (int order, Real x) const;
protected:
// Construction. IntpAkima1 does not accept responsibility for
// deleting the input array. The application must do so.
IntpAkima1 (int quantity, Real* F);
Real ComputeDerivative (Real* slope) const;
virtual bool Lookup (Real x, int& index, Real& dx) const = 0;
int mQuantity;
Real* mF;
Polynomial* mPoly;
};
typedef IntpAkima1<float> IntpAkima1f;
typedef IntpAkima1<double> IntpAkima1d;
}
#endif
|