/usr/include/CLHEP/GenericFunctions/Ln.hh is in libclhep-dev 2.1.2.3-1.
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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 | // -*- C++ -*-
// $Id: Ln.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
//---------------------Ln---------------------------------------------------//
// //
// Class Ln //
// Joe Boudreau, Petar Maksimovic, November 1999 //
// //
//--------------------------------------------------------------------------//
#ifndef Ln_h
#define Ln_h 1
#include "CLHEP/GenericFunctions/AbsFunction.hh"
namespace Genfun {
/**
* @author
* @ingroup genfun
*/
class Ln : public AbsFunction {
FUNCTION_OBJECT_DEF(Ln)
public:
// Constructor
Ln();
// Destructor
virtual ~Ln();
// Copy constructor
Ln(const Ln &right);
// Retreive function value
virtual double operator ()(double argument) const;
virtual double operator ()(const Argument & a) const {return operator() (a[0]);}
// 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 a Ln
const Ln & operator=(const Ln &right);
};
} // namespace Genfun
#endif
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