EkharaRandom.cxx

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#include "EkharaRandom.h"
#include "cfortran/cfortran.h"
 
#include <iostream>
using namespace std;
using namespace CLHEP;
 
HepRandomEngine* EkharaRandom::_randomEngine = 0;
 
void EkharaRandom::setRandomEngine( CLHEP::HepRandomEngine* randomEngine ) {
  _randomEngine = randomEngine;
}
 
double EkharaRandom::random() {
 
  if ( _randomEngine == 0 )
  {
    cerr << "No random engine available in "
         << "EkharaRandom::random()." << endl;
  }
 
  return _randomEngine->flat();
}
 
double EkharaRandom::Flat( double min, double max ) {
 
  if ( min > max )
  { cerr << "min>max in EkharaRandom::Flat(" << min << "," << max << ")" << endl; }
 
  return EkharaRandom::random() * ( max - min ) + min;
}
 
double EkharaRandom::Flat( double max ) { return max * EkharaRandom::random(); }
 
double EkharaRandom::Flat() { return EkharaRandom::random(); }
 
void EkharaRandom::FlatArray( double* vect, const int size ) {
  if ( _randomEngine == 0 )
    cout << "Cannot get randomEngine pointer in EkharaRandom::FlatArray" << endl;
  else { _randomEngine->flatArray( size, vect ); }
}
 
FCALLSCSUB2( EkharaRandom::FlatArray, RANLXDF, ranlxdf, DOUBLEV, INT )