/usr/include/CLHEP/GenericFunctions/LogisticFunction.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 60 61 62 63 64 65 66 | // -*- C++ -*-
// $Id:
//---------------------Gaussian---------------------------------------------//
// //
// Class LogisticFunction //
// Joe Boudreau, November 2002 //
// //
//--------------------------------------------------------------------------//
#ifndef LogisticFunction_h
#define LogisticFunction_h 1
#include "CLHEP/GenericFunctions/AbsFunction.hh"
#include "CLHEP/GenericFunctions/Parameter.hh"
#include <vector>
namespace Genfun {
/**
* @author
* @ingroup genfun
*/
class LogisticFunction : public AbsFunction {
FUNCTION_OBJECT_DEF(LogisticFunction)
public:
// Constructor
LogisticFunction();
// Copy constructor
LogisticFunction(const LogisticFunction &right);
// Destructor
virtual ~LogisticFunction();
// Retreive function value
virtual double operator ()(double argument) const;
virtual double operator ()(const Argument & arg) const {return operator() (arg[0]);}
// Get the starting value of the LogisticFunction
Parameter & x0();
const Parameter & x0() const;
// Get the control parameter of the LogisticFunction
Parameter & a();
const Parameter & a() const;
private:
// It is illegal to assign an adjustable constant
const LogisticFunction & operator=(const LogisticFunction &right);
// Here is the decay constant
Parameter _x0;
// Here is the sigma
Parameter _a;
// A vector of values.
mutable std::vector<double> fx;
// Some cache:
mutable double __a, __x0;
};
} // namespace Genfun
#endif
|