TrigHisto.cxx

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#include "TrigInDetEvent/TrigHisto.h"
 
//---------------------------------------------------------------
 
TrigHisto::TrigHisto(void): m_nbins_x(0),
                m_underflowBin_x(0),
                m_overflowBin_x(0),
                m_min_x(0.),
                m_max_x(0.),
                m_binSize_x(0.) {
}
 
//---------------------------------------------------------------
 
TrigHisto::~TrigHisto(void) {
}
 
//---------------------------------------------------------------
 
void TrigHisto::clear(void) {
  m_itr = m_contents.begin();
  m_itr_end = m_contents.end();
  for(; m_itr != m_itr_end; ++m_itr) (*m_itr) = 0.; 
}
 
//---------------------------------------------------------------
 
// Require histogram sizes such that it might be called by TrigHisto2D too.
unsigned int TrigHisto::findBin(unsigned int nbins, 
                float h_min, 
                float h_max, 
                float binSize, 
                float value) const {
  unsigned int ibin = 0;
  
  if(value < h_min) { // Underflow
    ibin = 0;
  }
  else if( !(value < h_max)) { // Overflow (catches NaN)
    ibin = nbins+1;
  }
  else {
    while(value > (ibin*binSize+h_min) && ibin <= nbins) { // None under/overflow from 1 to nbins
      ibin++;
    }
  }
  
  return ibin;
}
 
//---------------------------------------------------------------