Abs.hh

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// $Id: 
// -*- C++ -*-
//
//----------------------Abs---------- --------------------------------------//
//                                                                          //
//  Class Abs                                                               //
//  Joe Boudreau, Petar Maksimovic, Nov. 1999                               //
//                                                                          //
//  Abs is a function that returns the absolute value of its argument       //
//--------------------------------------------------------------------------//
#ifndef Abs_h
#define Abs_h 1
#include "CLHEP/GenericFunctions/AbsFunction.hh"
namespace Genfun {
  class Abs : public AbsFunction  {
 
    FUNCTION_OBJECT_DEF(Abs)
  
      public:
 
    // Constructor
    Abs();
  
    // Copy constructor
    Abs(const Abs &right);
  
    // Destructor
    virtual ~Abs();
  
    // Retrieve function value
    virtual double operator ()(double argument) const override; 
    virtual double operator ()(const Argument & a) const override {return operator() (a[0]);}
  
  private:
 
    // It is illegal to assign a fixed constant
    const Abs & operator=(const Abs &right);
 
  };
}
 
#endif