L1GlobalTriggerFunctions.h File Reference

#include <string>
#include <vector>
#include <fstream>
#include <iostream>
#include <sstream>

Go to the source code of this file.

Functions
int	factorial (int n)
	factorial function More...
bool	hexStringToInt64 (const std::string &, std::vector< unsigned long long > &)
template<class T >
bool	stringToNumber (T &tmpl, const std::string &str, std::ios_base &(*f)(std::ios_base &))

Function Documentation

int factorial

(

int

n

)

factorial function

Definition at line 13 of file L1GlobalTriggerFunctions.cc.

Referenced by EcalClusterToolsT< noZS >::calc_AbsZernikeMoment(), ClusterShapeAlgo::ClusterShapeAlgo(), L1GtMuonCondition::evaluateCondition(), L1GtCaloCondition::evaluateCondition(), edm::Lumi3DReWeighting::weight3D_init(), and reweight::LumiReWeighting::weight3D_init().

{ return (n <= 0) ? 1 : (n * factorial(n - 1)); }

bool hexStringToInt64	(	const std::string &	,
		std::vector< unsigned long long > &
	)

convert a hex string to a vector of 64-bit integers, with the vector size depending on the string size return false in case of error

Definition at line 16 of file L1GlobalTriggerFunctions.cc.

References TauDecayModes::dec, and LogTrace.

Referenced by L1GtCorrelationCondition::evaluateCondition().

                                                                                           {
  int iVec = 0;
  size_t initialPos = 0;
  unsigned long long iValue = 0ULL;

  do {
    iValue = 0ULL;

    if (stringToNumber<unsigned long long>(iValue, hexString.substr(initialPos, 16), std::hex)) {
      LogTrace("L1GlobalTrigger") << "\n  String " << hexString.substr(initialPos, 16) << " converted to hex value 0x"
                                  << std::hex << iValue << std::dec << std::endl;

      vecInt64[iVec] = iValue;
    } else {
      LogTrace("L1GlobalTrigger") << "\nstringToNumber failed to convert string " << hexString.substr(initialPos, 16)
                                  << std::endl;

      return false;
    }

    initialPos = +16;
    iVec++;
  } while (hexString.size() >= (initialPos + 16));

  return true;
}

template<class T >

bool stringToNumber	(	T &	tmpl,
		const std::string &	str,
		std::ios_base &(*)(std::ios_base &)	f
	)

convert a string to a integer-type number the third parameter of stringToNumber should be one of std::hex, std::dec or std::oct

Definition at line 23 of file L1GlobalTriggerFunctions.h.

References f.

                                                                                     {
  std::istringstream iss(str);
  return !(iss >> f >> tmpl).fail();
}