/home/bes3soft/bes3soft/Boss/7.0.2/dist/7.0.2/Generator/BesEvtGen/BesEvtGen-00-03-58/src/EvtGen/EvtGenBase/EvtGenKine.cc File Reference

#include "EvtGenBase/EvtPatches.hh"
#include <iostream>
#include "EvtGenBase/EvtGenKine.hh"
#include "EvtGenBase/EvtRandom.hh"
#include "EvtGenBase/EvtVector4R.hh"
#include "EvtGenBase/EvtReport.hh"
#include "EvtGenBase/EvtConst.hh"
#include <math.h>

Go to the source code of this file.

Functions
double	EvtPawt (double a, double b, double c)

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Function Documentation

double EvtPawt	(	double	a,
		double	b,
		double	c
	)

Definition at line 33 of file EvtGenKine.cc.

References subSeperate::temp.

Referenced by EvtGenKine::PhaseSpace().

{
  double temp=(a*a-(b+c)*(b+c))*(a*a-(b-c)*(b-c));

  if (temp<=0) {

    //report(ERROR,"EvtGen")<<"Sqrt of negative number in EvtPhaseSpace\n"<<
    //   "This seems to happen on AIX but I do not know why yet!"<<endl;

     return 0.0;

  }

  return sqrt(temp)/(2.0*a);
}

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