CLHEP/GenericFunctions/Abs.hh

0001 // $Id:
0002 // -*- C++ -*-
0003 //
0004 //----------------------Abs---------- --------------------------------------//
0005 //                                                                          //
0006 //  Class Abs                                                               //
0007 //  Joe Boudreau, Petar Maksimovic, Nov. 1999                               //
0008 //                                                                          //
0009 //  Abs is a function that returns the absolute value of its argument       //
0010 //--------------------------------------------------------------------------//
0011 #ifndef Abs_h
0012 #define Abs_h 1
0013 #include "CLHEP/GenericFunctions/AbsFunction.hh"
0014 namespace Genfun {
0015   class Abs : public AbsFunction  {
0016
0017     FUNCTION_OBJECT_DEF(Abs)
0018
0019       public:
0020
0021     // Constructor
0022     Abs();
0023
0024     // Copy constructor
0025     Abs(const Abs &right);
0026
0027     // Destructor
0028     virtual ~Abs();
0029
0030     // Retrieve function value
0031     virtual double operator ()(double argument) const override;
0032     virtual double operator ()(const Argument & a) const override {return operator() (a[0]);}
0033
0034   private:
0035
0036     // It is illegal to assign a fixed constant
0037     const Abs & operator=(const Abs &right);
0038
0039   };
0040 }
0041
0042 #endif