/usr/include/CLHEP/GenericFunctions/Psi2Hydrogen.hh is in libclhep-dev 2.1.4.1+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// $Id:
//----------------------------Psi2Hydrogen----------------------------------//
// //
// Class Psi2Hydrogen. The hydrogen wavefunction^2 as a function of r //
// theta, and phi. //
// //
// Joe Boudreau April 2002 //
// //
//--------------------------------------------------------------------------//
#ifndef Psi2Hydrogen_h
#define Psi2Hydrogen_h 1
#include "CLHEP/GenericFunctions/AbsFunction.hh"
#include "CLHEP/GenericFunctions/Parameter.hh"
namespace Genfun {
class Psi2Hydrogen : public AbsFunction {
FUNCTION_OBJECT_DEF(Psi2Hydrogen)
public:
// Constructor
Psi2Hydrogen(unsigned int n, unsigned int l, unsigned int m);
// Copy constructor
Psi2Hydrogen(const Psi2Hydrogen &right);
// Destructor
virtual ~Psi2Hydrogen();
// 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 integer variable n
unsigned int n() const;
// Get the integer variable l
unsigned int l() const;
// Get the integer variable m
unsigned int m() const;
private:
// It is illegal to assign an adjustable constant
const Psi2Hydrogen & operator=(const Psi2Hydrogen &right);
// Here is the constant n
unsigned int _n;
// Here is the constant l
unsigned int _l;
// Here is the constant m
unsigned int _m;
// Here is the "work function"
const AbsFunction *_function;
// This function is needed in all constructors:
void create();
};
}
#include "CLHEP/GenericFunctions/Psi2Hydrogen.icc"
#endif
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