Removing the unnecessary const

[u/mrichter/AliRoot.git] / PWG3 / dielectron / AliDielectronSignalBase.cxx

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* Author: The ALICE Off-line Project.                                    *
* Contributors are mentioned in the code where appropriate.              *
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* about the suitability of this software for any purpose. It is          *
* provided "as is" without express or implied warranty.                  *
**************************************************************************/

///////////////////////////////////////////////////////////////////////////
//                Dielectron SignalBase                                  //
//                                                                       //
//                                                                       //
/*
Base class for signal extraction from a histogram or an array of histograms
The histogram is assumed to be an inv. mass spectrum,
the array of histograms is assumed to be an array with inv. mass histograms
resulting from single and mixed events, as defined in AliDielectron.cxx

*/
//                                                                       //
///////////////////////////////////////////////////////////////////////////


#include <TVectorT.h>
#include <TPaveText.h>
#include <TH1F.h>
#include "AliDielectronSignalBase.h"

ClassImp(AliDielectronSignalBase)

AliDielectronSignalBase::AliDielectronSignalBase() :
  TNamed(),
  fHistSignal(0),
  fHistBackground(0),
  fHistDataPM(0),
  fHistDataPP(0),
  fHistDataMM(0),
  fValues(6),
  fErrors(6),
  fIntMin(0),
  fIntMax(0),
  fFitMin(0),
  fFitMax(0),
  fRebin(1),
  fMethod(kLikeSign),
  fProcessed(kFALSE)
{
  //
  // Default Constructor
  //
}

//______________________________________________
AliDielectronSignalBase::AliDielectronSignalBase(const char* name, const char* title) :
  TNamed(name, title),
  fHistSignal(0),
  fHistBackground(0),
  fHistDataPM(0),
  fHistDataPP(0),
  fHistDataMM(0),
  fValues(6),
  fErrors(6),
  fIntMin(0),
  fIntMax(0),
  fFitMin(0),
  fFitMax(0),
  fRebin(1),
  fMethod(kLikeSign),
  fProcessed(kFALSE)
{
  //
  // Named Constructor
  //
}

//______________________________________________
AliDielectronSignalBase::~AliDielectronSignalBase()
{
  //
  // Default Destructor
  //
  if(fHistSignal) delete fHistSignal;
  if(fHistBackground) delete fHistBackground;
}

//______________________________________________
TPaveText* AliDielectronSignalBase::DrawStats(Double_t x1/*=0.*/, Double_t y1/*=0.*/, Double_t x2/*=0.*/, Double_t y2/*=0.*/)
{
  //
  // Draw extracted values in a TPaveText
  // with the corners x1,y2,x2,y2
  //
  if (TMath::Abs(x1)<1e-20&&TMath::Abs(x2)<1e-20){
    x1=.6;
    x2=.9;
    y1=.7;
    y2=.9;
  }
  TPaveText *t=new TPaveText(x1,y1,x2,y2,"brNDC");
  t->SetFillColor(kWhite);
  t->SetBorderSize(1);
  t->SetTextAlign(12);
  t->AddText(Form("Range  : %.2f - %.2f GeV/c^{2}", fIntMin, fIntMax));
  t->AddText(Form("Signal : %.1f #pm %.1f", fValues(0), fErrors(0)));
  t->AddText(Form("Backgnd: %.1f #pm %.1f", fValues(1), fErrors(1)));
  t->AddText(Form("Signif.: %.2f #pm %.2f", fValues(2), fErrors(2)));
  t->AddText(Form("S/B    : %.2f #pm %.2f", fValues(3), fErrors(3)));
  if(fValues(4)>0) {
    t->AddText(Form("Mass: %.2f #pm %.2f GeV/c^{2}", fValues(4), fErrors(4)));
    t->AddText(Form("Mass res.: %.1f #pm %.1f MeV/c^{2}", 1000*fValues(5), 1000*fErrors(5)));
  }
  t->Draw();

  return t;
}

//______________________________________________
void AliDielectronSignalBase::Print(Option_t */*option*/) const
{
  //
  // Print the statistics
  //
  printf("Signal : %.5g #pm %.5g\n",fValues(0), fErrors(0));
  printf("Backgnd: %.5g #pm %.5g\n",fValues(1), fErrors(1));
  printf("Signif.: %.5g #pm %.5g\n",fValues(2), fErrors(2));
  printf("SoB    : %.5g #pm %.5g\n",fValues(3), fErrors(3));
  if(fValues(4)>0){
    printf("Mass: %.5g #pm %.5g\n", fValues(4), fErrors(4));
    printf("Mass res.: %.5g #pm %.5g\n", fValues(5), fErrors(5));
  }
}