G4GaussHermiteQ.hh

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//
//
//
// Class description:
//
// Roots of ortogonal polynoms and corresponding weights are calculated based on
// iteration method (by bisection Newton algorithm). Constant values for initial
// approximations were derived from the book: M. Abramowitz, I. Stegun, Handbook
// of mathematical functions, DOVER Publications INC, New York 1965 ; chapters 9,
// 10, and 22 .
//
// --------------------------------------------------------------------------
//
// Constructor for Gauss-Hermite quadrature method . The function GaussHermite
// should be called then
//
// G4GaussHermiteQ( function pFunction, G4int nHermite  ) 
//
// ----------------------------------------------------------------------------
//
// Gauss-Hermite method for integration of std::exp(-x*x)*nFunction(x) from minus infinity
// to plus infinity .
//
// G4double Integral() const 

// ------------------------------- HISTORY -------------------------------------
//
// 13.05.97 V.Grichine (Vladimir.Grichine@cern.chz0

#ifndef G4GAUSSHERMITEQ_HH
#define G4GAUSSHERMITEQ_HH

#include "G4VGaussianQuadrature.hh"

class G4GaussHermiteQ : public G4VGaussianQuadrature
{
public:
        // Constructor

        G4GaussHermiteQ( function pFunction, G4int nHermite  ) ;
             
        // Methods
           
        G4double Integral() const ;


private:

  G4GaussHermiteQ(const G4GaussHermiteQ&);
  G4GaussHermiteQ& operator=(const G4GaussHermiteQ&);

};

#endif