CLHEP VERSION Reference Documentation
CLHEP Home Page CLHEP Documentation CLHEP Bug Reports |
00001 // -*- C++ -*- 00002 // $Id: AssociatedLegendre.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $ 00003 //---------------------AssociatedLegendre-----------------------------------// 00004 // // 00005 // Class AssociatedLegendre. An associated legendre polynomial // 00006 // Joe Boudreau, Petar Maksimovic, November 1999 // 00007 // // 00008 //--------------------------------------------------------------------------// 00009 #ifndef AssociatedLegendre_h 00010 #define AssociatedLegendre_h 1 00011 #include "CLHEP/GenericFunctions/AbsFunction.hh" 00012 #include "CLHEP/GenericFunctions/Parameter.hh" 00013 00014 namespace Genfun { 00015 00020 class AssociatedLegendre : public AbsFunction { 00021 00022 FUNCTION_OBJECT_DEF(AssociatedLegendre) 00023 00024 public: 00025 00026 // Constructor 00027 AssociatedLegendre(unsigned int l, unsigned int m); 00028 00029 // Copy constructor 00030 AssociatedLegendre(const AssociatedLegendre &right); 00031 00032 // Destructor 00033 virtual ~AssociatedLegendre(); 00034 00035 // Retreive function value 00036 virtual double operator ()(double argument) const; 00037 virtual double operator ()(const Argument & a) const {return operator() (a[0]);} 00038 00039 // Get the integer variable l 00040 unsigned int l() const; 00041 00042 // Get the integer variable mj 00043 unsigned int m() const; 00044 00045 private: 00046 00047 // It is illegal to assign an adjustable constant 00048 const AssociatedLegendre & operator=(const AssociatedLegendre &right); 00049 00050 // Here is the decay constant 00051 unsigned int _l; 00052 00053 // Here is the sigma 00054 unsigned int _m; 00055 00056 }; 00057 00058 } // namespace Genfun 00059 00060 #include "CLHEP/GenericFunctions/AssociatedLegendre.icc" 00061 00062 00063 #endif 00064 00065