P1D.cpp

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#ifdef __ICC
// disable icc remark #2259: non-pointer conversion from "X" to "Y" may lose significant bits
//   TODO: To be removed, since it comes from ROOT TMathBase.h
#pragma warning(disable:2259)
#endif
#ifdef WIN32
// Disable warning
//   warning C4996: 'sprintf': This function or variable may be unsafe.
// coming from TString.h
#pragma warning(disable:4996)
#endif

#include <cmath>
#include <GaudiCommonSvc/P1D.h>
#include <GaudiKernel/ObjectFactory.h>
#include <GaudiCommonSvc/HistogramUtility.h>
#include "GaudiPI.h"

std::pair<DataObject*,AIDA::IProfile1D*> Gaudi::createProf1D
( const std::string& title ,
  int nBins  , double xlow, double xup,
  double ylow, double yup, const std::string& opt )
{
  auto _p = new TProfile(title.c_str(),title.c_str(),nBins,xlow,xup,ylow,yup,opt.c_str() ) ;
  auto p = new Profile1D(_p);
  return {p,p};
}

std::pair<DataObject*,AIDA::IProfile1D*> Gaudi::createProf1D
( const std::string& title,
  const Edges& e, double ylow, double yup ,
  const std::string& opt )
{
  auto p = new Profile1D(new TProfile(title.c_str(),title.c_str(),e.size()-1,&e.front(),ylow,yup,opt.c_str()));
  return {p,p};
}

std::pair<DataObject*,AIDA::IProfile1D*> Gaudi::createProf1D(const AIDA::IProfile1D& hist)  {
  TProfile *h = getRepresentation<AIDA::IProfile1D,TProfile>(hist);
  auto n = ( h ? new Profile1D(new TProfile(*h)) : nullptr );
  return {n,n};
}

namespace Gaudi {
  template <>
  int Generic1D<AIDA::IProfile1D,TProfile>::binEntries (int index) const  {
    return int(m_rep->GetBinEntries( rIndex(index) )+0.5);
  }

  template <> void* Generic1D<AIDA::IProfile1D,TProfile>::cast(const std::string& className) const {
    if (className == "AIDA::IProfile1D")
      return const_cast<AIDA::IProfile1D*>((AIDA::IProfile1D*)this);
    else if (className == "AIDA::IProfile")
      return const_cast<AIDA::IProfile*>((AIDA::IProfile*)this);
    else if (className == "AIDA::IBaseHistogram")
      return const_cast<AIDA::IBaseHistogram*>((AIDA::IBaseHistogram*)this);
    return nullptr;
  }

  template <>
  void Generic1D<AIDA::IProfile1D,TProfile>::adoptRepresentation(TObject* rep)  {
    TProfile* imp = dynamic_cast<TProfile*>(rep);
    if ( !imp )  throw std::runtime_error("Cannot adopt native histogram representation.");
    m_rep.reset( imp );
    m_axis.initialize(m_rep->GetXaxis(),true);
    const TArrayD* a = m_rep->GetSumw2();
    if ( !a || (a && a->GetSize()==0) ) m_rep->Sumw2();
    setTitle(m_rep->GetTitle());
  }
}

Gaudi::Profile1D::Profile1D()
 : Base( new TProfile() )
{
  init("",false);
}

Gaudi::Profile1D::Profile1D(TProfile* rep)
  : Base( rep)
{
  init(m_rep->GetTitle());
}

void Gaudi::Profile1D::init(const std::string& title, bool initialize_axis) {
  m_classType = "IProfile1D";
  setTitle(title);
  setName(title);
  if ( initialize_axis )  {
    axis().initialize(m_rep->GetXaxis(),false);
  }
  //m_rep->SetErrorOption("s");
  m_rep->SetDirectory(nullptr);
  m_sumEntries = 0;
}

bool Gaudi::Profile1D::setBinContents(int i, int entries,double height,double /*error*/, double spread, double /* centre */ ) {
  m_rep->SetBinEntries(rIndex(i), entries );
  // set content takes in root height * entries
  m_rep->SetBinContent(rIndex(i), height*entries );
  // set error takes sqrt of bin sum(w*y**2)
  double sumwy2Bin = ( spread*spread + height*height )*entries;
  m_rep->SetBinError(rIndex(i), sqrt(sumwy2Bin) );
  m_sumEntries += entries;
  // not very efficient (but do evey bin since root cannot figure out by himself)
  m_rep->SetEntries(m_sumEntries);
  return true;
}

#ifdef __ICC
// disable icc remark #1572: floating-point equality and inequality comparisons are unreliable
//   The comparison is correct
#pragma warning(disable:1572)
#endif
bool Gaudi::Profile1D::fill ( double x, double y, double weight )  {
  (weight == 1.) ? m_rep->Fill(x,y) : m_rep->Fill(x,y,weight);
  return true;
}