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// $Id: AllocVectorTest.cc,v 1.2 2006/06/29 19:04:45 gunter Exp $
// GEANT4 tag $Name: geant4-09-02-ref-02 $
//
// 
// ----------------------------------------------------------------------
#include "G4Timer.hh"
#include "G4Allocator.hh"
#include "globals.hh"
#include "G4ios.hh"
#include <vector>

int main()
{
  G4Timer timer;
  G4double d = 1.;
  const size_t maxiter = 10000000;
  const size_t modulo  = 2000000;

  G4cout << "+++++  G4Allocator test ..........." << G4endl;
  timer.Start();

  std::vector< double, G4Allocator<double> > tvec1;
  std::vector< double, G4Allocator<double> > tvec2(maxiter);
  for (size_t i=0; i<maxiter; i++)
  {
    tvec1.push_back(d);
    tvec2.push_back(d);
    if (i%modulo == 0)
    {
      G4cout << "Dynamic vector - size: " << tvec1.size() << G4endl
             << "      ...and capacity: " << tvec1.capacity() << G4endl;
      G4cout << "Fixed vector   - size: " << tvec2.size() << G4endl
             << "      ...and capacity: " << tvec2.capacity() << G4endl;
    }
  }

  timer.Stop();  

  G4cout << "System time: " << timer.GetSystemElapsed() << G4endl
         << "User time  : " << timer.GetUserElapsed() << G4endl;

  G4cout << "+++++  std::allocator test ..........." << G4endl;
  timer.Start();

  std::vector< double > tvec3;
  std::vector< double > tvec4(maxiter);
  for (size_t j=0; j<maxiter; j++)
  {
    tvec3.push_back(d);
    tvec4.push_back(d);
    if (j%modulo == 0)
    {
      G4cout << "Dynamic vector - size: " << tvec3.size() << G4endl
             << "      ...and capacity: " << tvec3.capacity() << G4endl;
      G4cout << "Fixed vector   - size: " << tvec4.size() << G4endl
             << "      ...and capacity: " << tvec4.capacity() << G4endl;
    }
  }

  timer.Stop();  

  G4cout << "System time: " << timer.GetSystemElapsed() << G4endl
         << "User time  : " << timer.GetUserElapsed() << G4endl;

  return 0;
}
