/* -*- C++ -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library

 *

 * Copyright (C) 2003-2007

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

#include<stdlib.h>

#include<lemon/random.h>

#include<lemon/time_measure.h>

using namespace lemon;

void f_no() 

{

}

inline void f_noi() 

{

}

inline void f_i() 

{

  static int r;  

  r=5;

}

inline void f_l() 

{

  static long int r;

  r=5;

}

inline void f_d() 

{

  static double r;

  r=5;

}

inline void f_rand() 

{

  static int r;  

  r=rand();

}

inline void f_random() 

{

  static long int r;

  r=random();

}

inline void f_drand48() 

{

  static double r;

  r=drand48();

}

inline void f_rnd_d() 

{

  static double r;

  r=rnd();

}

inline void f_rnd_int1000() 

{

  static int r;

  r=rnd[1000];

}

inline void f_rnd_bool() 

{

  static bool r;

  r=rnd.boolean();

}

// inline void f_() 

// {

//   static double r;

//   r=;

// }

int main()

{

  TimeStamp full;

  TimeStamp t;

  unsigned int n;

  const double TEST_DURATION=10;

  t=runningTimeTest(f_no,2,&n,&full);

  t=runningTimeTest(f_no,TEST_DURATION,&n,&full); 

  std::cout << "EMPTY:         ";

  std::cout << t.userTime() << " (" << n << " tests)\n";

  t=runningTimeTest(f_noi,TEST_DURATION,&n,&full);

  std::cout << "INLINED EMPTY: ";

  std::cout << t.userTime() << " (" << n << " tests)\n";

  TimeStamp ti=t=runningTimeTest(f_i,TEST_DURATION,&n,&full);

  std::cout << "INT COPY:      ";

  std::cout << t.userTime() << " (" << n << " tests)\n";

  TimeStamp tl=t=runningTimeTest(f_l,TEST_DURATION,&n,&full);

  std::cout << "LONG COPY:     ";

  std::cout << t.userTime() << " (" << n << " tests)\n";

  TimeStamp td=t=runningTimeTest(f_d,TEST_DURATION,&n,&full);

  std::cout << "DOUBLE COPY:   ";

  std::cout << t.userTime() << " (" << n << " tests)\n";

  t=runningTimeTest(f_rand,TEST_DURATION,&n,&full);

  std::cout << "rand():        ";

  std::cout << (t-ti).userTime() << " (" << n << " tests)\n";

  t=runningTimeTest(f_random,TEST_DURATION,&n,&full);

  std::cout << "random():      ";

  std::cout << (t-tl).userTime() << " (" << n << " tests)\n";

  t=runningTimeTest(f_drand48,TEST_DURATION,&n,&full);

  std::cout << "drand48():     ";

  std::cout << (t-td).userTime() << " (" << n << " tests)\n";

  t=runningTimeTest(f_rnd_d,TEST_DURATION,&n,&full);

  std::cout << "rnd():         ";

  std::cout << (t-td).userTime() << " (" << n << " tests)\n";

  t=runningTimeTest(f_rnd_int1000,TEST_DURATION,&n,&full);

  std::cout << "rnd[1000]:     ";

  std::cout << (t-ti).userTime() << " (" << n << " tests)\n";

  t=runningTimeTest(f_rnd_bool,TEST_DURATION,&n,&full);

  std::cout << "rnd.boolean(): ";

  std::cout << (t-ti).userTime() << " (" << n << " tests)\n";

//   t=runningTimeTest(f_,TEST_DURATION,&n,&full);

//   std::cout << "\n";

//   std::cout << t << " (" << n << " tests)\n";

//   std::cout << "Total: " << full << "\n\n";

  return 0;

}