PrescaleSet.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
 
 
#include "TrigConfL1Data/PrescaleSet.h"
#include "TrigConfL1Data/L1PSNumber.h"
#include <iostream>
#include <iomanip>
#include <math.h>
 
using namespace TrigConf;
 
const int32_t PrescaleSet::maxPrescaleCut = 0xFFFFFF; //2**24 - 1
   
int32_t
PrescaleSet::getCutFromPrescale(double prescale) {
   int32_t sign = prescale<0 ? -1 : 1;
   double uprescale = fabs(prescale);
   return sign * ( 0x1000000 - int32_t(0xFFFFFF/uprescale));
}

double
PrescaleSet::getPrescaleFromCut(int32_t cut) {
   double sign = cut<0 ? -1 : 1;
   uint32_t ucut = abs(cut);
   return (sign * 0xFFFFFF ) / ( 0x1000000 - ucut );
}
 
void TrigConf::PrescaleSet::reset() {
   for(auto& x: m_Prescales_ctp) x=-1;
   for(auto& x: m_Prescales_float) x=-1;
   for(auto& x: m_Cuts) x=-maxPrescaleCut;
   m_null = true;
}
 
void
TrigConf::PrescaleSet::resize(size_t size) {
   m_Prescales_ctp.resize(size,-1);
   m_Prescales_float.resize(size,-1);
   m_Cuts.resize(size,2<<10);
}
 
void
TrigConf::PrescaleSet::setCuts(const std::vector<int32_t>& cuts) {
   for(unsigned int ctpid = 0; ctpid < cuts.size(); ++ctpid )
      setCut(ctpid, cuts[ctpid]);
}
 
 
void
TrigConf::PrescaleSet::setCut(unsigned int ctpid, int32_t cut) {
   m_Cuts[ctpid] = cut;
   m_Prescales_float[ctpid] = getPrescaleFromCut(cut);
   m_null = false;
}
 
 
void
TrigConf::PrescaleSet::setPrescale(unsigned int num, float prescaleValue) {
  int32_t cut = getCutFromPrescale(prescaleValue);
  m_Prescales_ctp[num] = cut;
  m_Prescales_float[num] = prescaleValue;
  m_null = false;
}
 
 
void
TrigConf::PrescaleSet::print(const std::string& indent, unsigned int detail) const {
   if(detail>=1) {
     std::cout << indent << "PrescaleSet ";
      printNameIdV("");
      if(detail>=3) {
         int i(0);
         for( auto ps: m_Prescales_float)
           std::cout << indent << "        ctpid=" << i++ << ": " << " prescale=" << ps << std::endl;
      }
   }
}

void
TrigConf::PrescaleSet::writeXML(std::ostream & xmlfile, int indentLevel, int indentWidth) const {
   L1PSNumber psOut;
   indent(xmlfile, indentLevel, indentWidth)
      << "<PrescaleSet" 
      << " name=\"" << name() << "\""
      << " type=\"" << type() << "\""
      << " menuPartition=\"" << partition() << "\">"
      << std::endl;
 
   int ctpid(0);
   for (int32_t cut: m_Cuts) {
     indent(xmlfile, indentLevel + 1, indentWidth)
       << "<Prescale ctpid=\"" << ctpid++
       << "\" cut=\"" << (cut<0?"-":"") << std::hex << std::setfill('0') << std::setw(6) << abs(cut)
       << std::setfill(' ') << std::dec << "\" value=\"" << getPrescaleFromCut(cut)
       << "\"/>" << std::endl;
   }
   indent(xmlfile, indentLevel, indentWidth)
      << "</PrescaleSet>" << std::endl;
}