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00001 // -*- C++ -*- 00002 // $Id: TrivariateGaussian.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $ 00003 //---------------------TrivariateGaussian-----------------------------------// 00004 // // 00005 // Class TrivariateGaussian // 00006 // Joe Boudreau, Petar Maksimovic, November 1999 // 00007 // // 00008 //--------------------------------------------------------------------------// 00009 #ifndef TrivariateGaussian_h 00010 #define TrivariateGaussian_h 1 00011 #include "CLHEP/GenericFunctions/AbsFunction.hh" 00012 #include "CLHEP/GenericFunctions/Parameter.hh" 00013 00014 namespace Genfun { 00015 00020 class TrivariateGaussian : public AbsFunction { 00021 00022 FUNCTION_OBJECT_DEF(TrivariateGaussian) 00023 00024 public: 00025 00026 // Constructor 00027 TrivariateGaussian(); 00028 00029 // Copy constructor 00030 TrivariateGaussian(const TrivariateGaussian &right); 00031 00032 // Destructor 00033 virtual ~TrivariateGaussian(); 00034 00035 // Retreive function value 00036 virtual double operator ()(double argument) const; // Gives an error. 00037 virtual double operator ()(const Argument & a) const; // Must use this one 00038 00039 // Dimensionality 00040 virtual unsigned int dimensionality() const; 00041 00042 // Get the mean of the TrivariateGaussian 00043 Parameter & mean0(); 00044 const Parameter & mean0() const; 00045 Parameter & mean1(); 00046 const Parameter & mean1() const; 00047 Parameter & mean2(); 00048 const Parameter & mean2() const; 00049 00050 // Get the sigma of the TrivariateGaussian 00051 Parameter & sigma0(); 00052 const Parameter & sigma0() const; 00053 Parameter & sigma1(); 00054 const Parameter & sigma1() const; 00055 Parameter & sigma2(); 00056 const Parameter & sigma2() const; 00057 00058 // Get the correlation coefficient: 00059 Parameter & corr01(); 00060 const Parameter & corr01() const; 00061 Parameter & corr02(); 00062 const Parameter & corr02() const; 00063 Parameter & corr12(); 00064 const Parameter & corr12() const; 00065 00066 00067 private: 00068 00069 // It is illegal to assign an adjustable constant 00070 const TrivariateGaussian & operator=(const TrivariateGaussian &right); 00071 00072 // Here is the decay constant 00073 Parameter _mean0; 00074 Parameter _mean1; 00075 Parameter _mean2; 00076 00077 // Here is the sigma 00078 Parameter _sigma0; 00079 Parameter _sigma1; 00080 Parameter _sigma2; 00081 00082 // Here is the correlation coefficient: 00083 Parameter _corr01; 00084 Parameter _corr02; 00085 Parameter _corr12; 00086 00087 }; 00088 } // namespace Genfun 00089 00090 #endif