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EvtGen  2.0.0
Monte Carlo generator of particle decays, in particular the weak decays of heavy flavour particles such as B mesons.
EvtItgSimpsonIntegrator.hh
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20 
21 #ifndef EVTITGSIMPSONINTEGRATOR_HH
22 #define EVTITGSIMPSONINTEGRATOR_HH
23 
24 //-------------
25 // C Headers --
26 //-------------
27 extern "C" {
28 }
29 
31 
32 // Description:
33 // Simpson integrator (Stolen and modified from
34 // the BaBar IntegrationUtils package - author: Phil Strother).
35 
37  public:
39  double precision = 1.0e-5, int maxLoop = 20 );
40 
41  protected:
42  double evaluateIt( double, double ) const override;
43 
44  private:
45  double _precision;
46  double _maxLoop;
47 
48  //EvtItgSimpsonIntegrator( const EvtItgSimpsonIntegrator& ); //// Copy Constructor
49  //EvtItgSimpsonIntegrator& operator= ( const EvtItgSimpsonIntegrator& ); // Assignment op
50 };
51 
52 #endif // ITGSIMPSONINTEGRATOR_HH
EvtItgSimpsonIntegrator(const EvtItgAbsFunction &, double precision=1.0e-5, int maxLoop=20)
double evaluateIt(double, double) const override