MakePreIntegratedAmplitudes Class Reference

#include <MakePreIntegratedAmplitudes.h>

Public Member Functions
	MakePreIntegratedAmplitudes (const DalitzEventPattern &pat, const std::string &opt, double prec, const std::string &integEventsFname="", const std::string &fnamePrefix="", const std::string &generateEventsIfNeeded="DoGenerate", TRandom *rnd=gRandom)
const std::string &	fname () const
const std::string &	eventsFname () const
std::string	defaultEventsFname () const
bool	doit ()

Private Member Functions
const std::string &	makeFname (const std::string &prefix)
const std::string &	makeEventsFname ()
bool	includeCPCon () const

Private Attributes
DalitzEventPattern	_pat
std::string	_opt
double	_prec
std::string	_fname
std::string	_eventsFname
bool	_generateEventsIfNeeded
TRandom *	_rnd

Detailed Description

Definition at line 8 of file MakePreIntegratedAmplitudes.h.

Constructor & Destructor Documentation

MakePreIntegratedAmplitudes()

MakePreIntegratedAmplitudes::MakePreIntegratedAmplitudes	(	const DalitzEventPattern &	pat,
		const std::string &	opt,
		double	prec,
		const std::string &	integEventsFname = "",
		const std::string &	fnamePrefix = "",
		const std::string &	generateEventsIfNeeded = "DoGenerate",
		TRandom *	rnd = gRandom
	)

Definition at line 15 of file MakePreIntegratedAmplitudes.cpp.

  : _pat(pat)
  , _opt(opt)
  , _prec(prec)
  , _fname("noName")
  , _eventsFname(integEventsFname)
  , _generateEventsIfNeeded("DoGenerate" == generateEventsIfNeeded)
  , _rnd(rnd)
{
  makeFname(fnamePrefix);
  if("" == _eventsFname) makeEventsFname();
}

Member Function Documentation

defaultEventsFname()

std::string MakePreIntegratedAmplitudes::defaultEventsFname

(

)

const

Definition at line 67 of file MakePreIntegratedAmplitudes.cpp.

                                                     {
  return "IntegEvents" + _fname + ".root";
}

doit()

bool MakePreIntegratedAmplitudes::doit

(

)

Definition at line 75 of file MakePreIntegratedAmplitudes.cpp.

                                      {

  FitAmpSum fitAmps(_pat, "", _opt);
  if(includeCPCon()){
    DalitzEventPattern antiPat = _pat;
    antiPat[0].antiThis();
    FitAmpSum antiFa(antiPat, _opt);
    fitAmps.add(antiFa);
  }
  fitAmps.setAllAmpsTo(std::complex<double>(1,0));

  counted_ptr<SignalGenerator> genSgPtr(0);
  if(_generateEventsIfNeeded){
    cout << "MakePreIntegratedAmplitudes::doit()"
     << " will generate events if I don't find enough in file "
     << eventsFname()
     << " to reach precision " << _prec
     << endl;
    counted_ptr<SignalGenerator> ptr(new SignalGenerator(_pat, &fitAmps));
    genSgPtr = ptr;
  }else{
    cout << "MakePreIntegratedAmplitudes::doit()"
     << " will NOT generate my own events "
     << " even if I don't find enough in file "
     << eventsFname()
     << " to reach precision " << _prec
     << endl;
  }
  FromFileGenerator ffg(eventsFname(), genSgPtr.get());
  FastAmplitudeIntegrator integ(_pat, &fitAmps, &ffg, _rnd, _prec);
  integ.save(fname());

  cout << "Saved integration result for " << _pat
       << " in this file: "
       << fname()
       << endl;
  return true;
}

eventsFname()

const std::string& MakePreIntegratedAmplitudes::eventsFname ( ) const

inline

Definition at line 31 of file MakePreIntegratedAmplitudes.h.

{return _eventsFname;}

fname()

const std::string& MakePreIntegratedAmplitudes::fname ( ) const

inline

Definition at line 30 of file MakePreIntegratedAmplitudes.h.

{return _fname;}

includeCPCon()

bool MakePreIntegratedAmplitudes::includeCPCon ( ) const

private

Definition at line 70 of file MakePreIntegratedAmplitudes.cpp.

                                                   {
  //  return false; // for now.
  return (_pat[0].props()->charge() == "0" && _pat[0].hasDistinctAnti());
}

makeEventsFname()

const std::string & MakePreIntegratedAmplitudes::makeEventsFname ( )

private

Definition at line 62 of file MakePreIntegratedAmplitudes.cpp.

                                            {
  if(_eventsFname == "") _eventsFname = defaultEventsFname();
  return _eventsFname;
}

makeFname()

const std::string & MakePreIntegratedAmplitudes::makeFname ( const std::string &  prefix )

private

Definition at line 37 of file MakePreIntegratedAmplitudes.cpp.

                                  {

  if(_pat.empty()){
    _fname = prefix + "noPattern";
    return _fname;
  }
  std::string name = _pat[0].name();
  if(includeCPCon()){
    DecayTreeItem antiMum = _pat[0];
    antiMum.antiThis();
    name += "_" + antiMum.name();
  }
  name += "_to_";
  if(_pat.size() < 2){
    _fname = prefix + name;
    return _fname;
  }
  for(unsigned int i=1; i < _pat.size(); i++){
    name += _pat[i].name();
  }
  _fname = prefix + name;
  return _fname;
}

Member Data Documentation

_eventsFname

std::string MakePreIntegratedAmplitudes::_eventsFname

private

Definition at line 13 of file MakePreIntegratedAmplitudes.h.

_fname

std::string MakePreIntegratedAmplitudes::_fname

private

Definition at line 12 of file MakePreIntegratedAmplitudes.h.

_generateEventsIfNeeded

bool MakePreIntegratedAmplitudes::_generateEventsIfNeeded

private

Definition at line 14 of file MakePreIntegratedAmplitudes.h.

_opt

std::string MakePreIntegratedAmplitudes::_opt

private

Definition at line 10 of file MakePreIntegratedAmplitudes.h.

_pat

DalitzEventPattern MakePreIntegratedAmplitudes::_pat

private

Definition at line 9 of file MakePreIntegratedAmplitudes.h.

_prec

double MakePreIntegratedAmplitudes::_prec

private

Definition at line 11 of file MakePreIntegratedAmplitudes.h.

_rnd

TRandom* MakePreIntegratedAmplitudes::_rnd

private

Definition at line 15 of file MakePreIntegratedAmplitudes.h.

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The documentation for this class was generated from the following files:

• Mint/MakePreIntegratedAmplitudes.h
• src/Mojito/InstantIntegration/MakePreIntegratedAmplitudes.cpp