/home/bes3soft/bes3soft/Boss/7.0.2/dist/7.0.2/Generator/Mcgpj/Mcgpj-00-01-04/src/code/src/TEvent.C File Reference

#include <iostream>
#include <cmath>
#include "TEvent.h"
#include "TRadGlobal.h"
#include "TKinemCut.h"

Go to the source code of this file.

Defines
#define	INRANGE(x)   if ( x < 0 ) x += 2*gConst->Pi(); else if( x > 2*gConst->Pi() ) x -= 2*gConst->Pi()
#define	swap(x)   {double t = x[Ne]; x[Ne] = x[Np]; x[Np] = t;}
Functions
void	lorbck (double *pcm, double *pincm, double *pinlab)

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Define Documentation

#define INRANGE

(

x

)

if ( x < 0 ) x += 2*gConst->Pi(); else if( x > 2*gConst->Pi() ) x -= 2*gConst->Pi()

Definition at line 11 of file TEvent.C.

Referenced by TEvent::MakeEvent(), and TEvent::MakeEventgg().

#define swap

(

x

)

{double t = x[Ne]; x[Ne] = x[Np]; x[Np] = t;}

Definition at line 593 of file TEvent.C.

Referenced by MdcHoughFinder::execute(), HoughValidUpdate::execute(), BbEmc::execute(), KalFitAlg::kalman_fitting_anal(), KalFitAlg::kalman_fitting_calib(), KalFitAlg::kalman_fitting_csmalign(), KalFitTrack::order_hits(), KalFitTrack::order_wirhit(), MdcBbEmcEff::selectBbByEmcShower(), and TEvent::Swap().

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Function Documentation

void lorbck	(	double *	pcm,
		double *	pincm,
		double *	pinlab
	)

Definition at line 33 of file TEvent.C.

References genRecEmupikp::i.

                                                       {
  double beta[3];
  for(int i=0;i<3;i++)
    beta[i] = pcm[i]/pcm[3];
  double gamma = 1./sqrt(1 - beta[0]*beta[0] - beta[1]*beta[1] - beta[2]*beta[2]);
  double bdotp = beta[0]*pincm[0] + beta[1]*pincm[1] + beta[2]*pincm[2];
  double fact  = gamma*bdotp/(1 + gamma) + pincm[3];

  for(int i=0; i<3; i++)
    pinlab[i] = pincm[i] + beta[i]*fact*gamma;
  pinlab[3] = gamma*(pincm[3] + bdotp);
}

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