/* -*- C++ -*-

  *

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

  *

  * Copyright (C) 2003-2008

  * 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;

 }