/usr/include/CLHEP/GenericFunctions/ConstTimesFunction.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 53 54 55 56 | // -*- C++ -*-
// $Id: ConstTimesFunction.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
//--------------------------ConstOverFunction-------------------------------//
// //
// ConstOverFunction, result of multiplying a constant and a function //
// Joe Boudreau, Petar Maksimovic, November 1999 //
// //
//--------------------------------------------------------------------------//
#ifndef ConstTimesFunction_h
#define ConstTimesFunction_h 1
#include "CLHEP/GenericFunctions/AbsFunction.hh"
namespace Genfun {
/**
* @author
* @ingroup genfun
*/
class ConstTimesFunction : public AbsFunction {
FUNCTION_OBJECT_DEF(ConstTimesFunction)
public:
// Constructor
ConstTimesFunction(double constant, const AbsFunction *arg);
// Copy constructor
ConstTimesFunction(const ConstTimesFunction &right);
// Destructor
virtual ~ConstTimesFunction();
// Retreive function value
virtual double operator ()(double argument) const;
virtual double operator ()(const Argument & a) const;
// Dimensionality
virtual unsigned int dimensionality() const;
// 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 ConstTimesFunction
const ConstTimesFunction & operator=(const ConstTimesFunction &right);
double _constant;
const AbsFunction *_arg;
};
} // namespace Genfun
#endif
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