G4MTRandExponential.cc

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// $Id:$
//
#if __clang__
  #if ((defined(G4MULTITHREADED) && !defined(G4USE_STD11)) || \
      !__has_feature(cxx_thread_local))
    #define CLANG_NOSTDTLS
  #endif
#endif

#if (defined(G4MULTITHREADED) && \
    (!defined(G4USE_STD11) || (defined(CLANG_NOSTDTLS))))

#include "G4MTRandExponential.hh"

G4MTRandExponential::~G4MTRandExponential()
{
  if ( deleteEngine ) delete localEngine;
}

G4double G4MTRandExponential::operator()()
{
  return fire( defaultMean );
}

G4double G4MTRandExponential::operator()( G4double mean )
{
  return fire( mean );
}

G4double G4MTRandExponential::shoot()
{
  return -std::log(G4MTHepRandom::getTheEngine()->flat());
}

G4double G4MTRandExponential::shoot(G4double mean)
{
  return -std::log(G4MTHepRandom::getTheEngine()->flat())*mean;
}

void G4MTRandExponential::shootArray( const G4int size, G4double* vect,
                                  G4double mean )
{
   for (G4int i=0; i<size; ++i)
     vect[i] = shoot(mean);
}

void G4MTRandExponential::shootArray(CLHEP::HepRandomEngine* anEngine,
                      const G4int size, G4double* vect, G4double mean )
{
   for (G4int i=0; i<size; ++i)
     vect[i] = shoot(anEngine, mean);
}

void G4MTRandExponential::fireArray( const G4int size, G4double* vect)
{
   for (G4int i=0; i<size; ++i)
     vect[i] = fire( defaultMean );
}

void G4MTRandExponential::fireArray( const G4int size, G4double* vect,
                                     G4double mean )
{
   for (G4int i=0; i<size; ++i)
     vect[i] = fire( mean );
}

#endif