EvtDecayMode Class Reference

#include <EvtDecayMode.hh>

Public Member Functions
	EvtDecayMode (const char *decay)
	EvtDecayMode (const EvtDecayMode &other)
	EvtDecayMode (std::string mother, std::vector< std::string > dau)
	~EvtDecayMode ()
const char *	mother () const
int	nD () const
const char *	dau (int i) const
std::ostream &	print (std::ostream &) const
const char *	m (EvtCyclic3::Pair i) const
const char *	q (EvtCyclic3::Pair i) const
const char *	dal (EvtCyclic3::Pair i, EvtCyclic3::Pair j) const
const char *	mode () const

Detailed Description

Definition at line 26 of file EvtDecayMode.hh.

Constructor & Destructor Documentation

EvtDecayMode() [1/3]

EvtDecayMode::EvtDecayMode

(

const char *

decay

)

Definition at line 60 of file EvtDecayMode.cc.

{
  // Parse the decay string, it should be in a standard 
  // format, e.g. "B+ -> pi+ pi+ pi-" with all spaces
  
  string s(decay);
  size_t i,j;
 
  // mother
 
  i = s.find_first_not_of(" ");
  j = s.find_first_of(" ",i);
 
  if(i == string::npos) {
 
    report(INFO,"EvtGen") << "No non-space character found" << endl;
    assert(0);
  }
 
  if(j == string::npos) {
    
    report(INFO,"EvtGen") << "No space before -> found" << endl;
    assert(0);
  }
 
  _mother = string(s,i,j-i);
 
  i = s.find_first_not_of(" ",j);
  j = s.find_first_of("->",j);
  if(i != j) {
 
    report(INFO,"EvtGen") << "Multiple mothers?" << i << "," << j << endl;
    assert(0);
  }
  j += 2;
 
  while(1) {
 
    i = s.find_first_not_of(" ",j);
    j = s.find_first_of(" ",i);
 
    if(i == string::npos) break;
    if(j == string::npos) {
      _dau.push_back(string(s,i,s.size()-i+1));
      break;
    } else {
      _dau.push_back(string(s,i,j-i));
    }
  }
}

EvtDecayMode() [2/3]

EvtDecayMode::EvtDecayMode

(

const EvtDecayMode &

other

)

Definition at line 47 of file EvtDecayMode.cc.

  : _mother(other._mother)
{
  unsigned i;
  for(i=0;i<other._dau.size();i++) {
    
    string s;
    s.append(other._dau[i]);
    _dau.push_back(s);
  }
}

EvtDecayMode() [3/3]

EvtDecayMode::EvtDecayMode	(	std::string	mother,
		std::vector< std::string >	dau
	)

~EvtDecayMode()

EvtDecayMode::~EvtDecayMode

(

)

Definition at line 113 of file EvtDecayMode.cc.

{}

Member Function Documentation

dal()

const char * EvtDecayMode::dal	(	EvtCyclic3::Pair	i,
		EvtCyclic3::Pair	j
	)		const

Definition at line 176 of file EvtDecayMode.cc.

{
  string s(q(i));
  s.append(":");
  s.append(q(j));
  return s.c_str();
}

dau()

const char * EvtDecayMode::dau

(

int

i

)

const

Definition at line 129 of file EvtDecayMode.cc.

{
  assert(0<=i && i< (int) _dau.size());
  return _dau[i].c_str();
}

Referenced by EvtDalitzPlot::EvtDalitzPlot(), m(), and q().

m()

const char * EvtDecayMode::m

(

EvtCyclic3::Pair

i

)

const

Definition at line 154 of file EvtDecayMode.cc.

{
  string s("m(");
  s.append(dau(first(i)));
  s.append(",");
  s.append(dau(second(i)));
  s.append(")");
  return s.c_str();
}

mode()

const char * EvtDecayMode::mode

(

)

const

Definition at line 135 of file EvtDecayMode.cc.

{
  string ret = _mother + string(" -> ");
  int i;
  for(i=0;i<_dau.size()-1;i++) ret += string(_dau[i]) + string(" ");
  ret += _dau[_dau.size()-1];
  return ret.c_str();
}

Referenced by EvtMultiChannelParser::getDecayMode().

mother()

const char * EvtDecayMode::mother

(

)

const

Definition at line 117 of file EvtDecayMode.cc.

{
  return _mother.c_str();
}

Referenced by EvtDalitzPlot::EvtDalitzPlot().

nD()

int EvtDecayMode::nD

(

)

const

Definition at line 123 of file EvtDecayMode.cc.

{
  return _dau.size();
}

print()

ostream & EvtDecayMode::print

(

std::ostream &

)

const

Definition at line 145 of file EvtDecayMode.cc.

{
  os << _mother.c_str() << " ->";
  unsigned i;
  for(i=0;i<_dau.size();i++) os << " " << _dau[i].c_str();
  return os;
}

Referenced by operator<<().

q()

const char * EvtDecayMode::q

(

EvtCyclic3::Pair

i

)

const

Definition at line 165 of file EvtDecayMode.cc.

{
  string s("q(");
  s.append(dau(first(i)));
  s.append(",");
  s.append(dau(second(i)));
  s.append(")");
  return s.c_str();
}

---

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

• EvtDecayMode.hh
• EvtDecayMode.cc