/usr/include/CLHEP/GenericFunctions/ReverseExponential.hh is in libclhep-dev 2.1.4.1-1.1.
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 | // -*- C++ -*-
// $Id: ReverseExponential.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
//---------------------ReverseExponential-----------------------------------//
// //
// Class ReverseExponential..like Exponential but appropriate for describing//
// negative lifetime tails. //
// Joe Boudreau, Petar Maksimovic, November 1999 //
// //
//--------------------------------------------------------------------------//
#ifndef ReverseExponential_h
#define ReverseExponential_h 1
#include "CLHEP/GenericFunctions/AbsFunction.hh"
#include "CLHEP/GenericFunctions/Parameter.hh"
namespace Genfun {
/**
* @author
* @ingroup genfun
*/
class ReverseExponential : public AbsFunction {
FUNCTION_OBJECT_DEF(ReverseExponential)
public:
// Constructor
ReverseExponential();
// Copy constructor
ReverseExponential(const ReverseExponential &right);
// Destructor
virtual ~ReverseExponential();
// Retreive function value
virtual double operator ()(double argument) const;
virtual double operator ()(const Argument & a) const {return operator() (a[0]);}
// Get the decay constant
Parameter & decayConstant();
// Derivative.
Derivative partial (unsigned int) const;
// Does this function have an analytic derivative?
virtual bool hasAnalyticDerivative() const {return true;}
private:
// It is illegal to assign an adjustable constant
const ReverseExponential & operator=(const ReverseExponential &right);
// Here is the decay constant
Parameter _decayConstant;
};
} // namespace Genfun
#endif
|