/usr/include/CLHEP/GenericFunctions/SphericalHarmonicExpansion.hh is in libclhep-dev 2.1.2.3-1.
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 | // -*- C++ -*-
// $Id:
//---------------------SphericalHarmonicExpansion------------------------------------------//
// //
// Class SphericalHarmonicExpansion. This is a fitting function consisting of a super //
// position of N legendre polynomials. Cascading fractions and phases are //
// the input parameters. Function is normalized to one (on [-1,1]) //
// Joe Boudreau, Petar Maksimovic, January 2000 //
// //
//--------------------------------------------------------------------------//
#ifndef SphericalHarmonicExpansion_h
#define SphericalHarmonicExpansion_h
#include "CLHEP/GenericFunctions/AbsFunction.hh"
#include "CLHEP/GenericFunctions/Parameter.hh"
#include "CLHEP/GenericFunctions/SphericalHarmonicCoefficientSet.hh"
namespace Genfun {
/**
* @author
* @ingroup genfun
*/
class SphericalHarmonicExpansion : public AbsFunction {
FUNCTION_OBJECT_DEF(SphericalHarmonicExpansion)
public:
enum Type {REAL,IMAG,MAG, MAGSQ};
// Constructor. Builds all the
SphericalHarmonicExpansion(Type type, const SphericalHarmonicCoefficientSet & coefficients);
// Copy constructor
SphericalHarmonicExpansion(const SphericalHarmonicExpansion &right);
// Destructor
virtual ~SphericalHarmonicExpansion();
// Dimensionality=2. They are; cosTheta (not theta) and phi
virtual unsigned int dimensionality() const {return 2;}
// Retreive function value
virtual double operator ()(double argument) const; // Gives an error.
virtual double operator ()(const Argument & a) const; // Must use this one
// Get the expansion coefficients:
SphericalHarmonicCoefficientSet & coefficientSet();
const SphericalHarmonicCoefficientSet & coefficientSet() const;
private:
// It is illegal to assign an adjustable constant
const SphericalHarmonicExpansion & operator=(const SphericalHarmonicExpansion &right);
class Clockwork;
Clockwork *c;
};
} // namespace Genfun
#include "CLHEP/GenericFunctions/SphericalHarmonicExpansion.icc"
#endif
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