alpar@2391: /* -*- C++ -*-
alpar@2391:  *
alpar@2391:  * This file is a part of LEMON, a generic C++ optimization library
alpar@2391:  *
alpar@2553:  * Copyright (C) 2003-2008
alpar@2391:  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
alpar@2391:  * (Egervary Research Group on Combinatorial Optimization, EGRES).
alpar@2391:  *
alpar@2391:  * Permission to use, modify and distribute this software is granted
alpar@2391:  * provided that this copyright notice appears in all copies. For
alpar@2391:  * precise terms see the accompanying LICENSE file.
alpar@2391:  *
alpar@2391:  * This software is provided "AS IS" with no warranty of any kind,
alpar@2391:  * express or implied, and with no claim as to its suitability for any
alpar@2391:  * purpose.
alpar@2391:  *
alpar@2391:  */
alpar@2391: 
alpar@2244: #include<stdlib.h>
alpar@2244: #include<lemon/random.h>
alpar@2244: #include<lemon/time_measure.h>
alpar@2244: 
alpar@2244: using namespace lemon;
alpar@2244: 
alpar@2244: void f_no() 
alpar@2244: {
alpar@2244: }
alpar@2244: 
alpar@2244: inline void f_noi() 
alpar@2244: {
alpar@2244: }
alpar@2244: 
alpar@2244: inline void f_i() 
alpar@2244: {
alpar@2244:   static int r;  
alpar@2244:   r=5;
alpar@2244: }
alpar@2244: 
alpar@2244: inline void f_l() 
alpar@2244: {
alpar@2244:   static long int r;
alpar@2244:   r=5;
alpar@2244: }
alpar@2244: 
alpar@2244: inline void f_d() 
alpar@2244: {
alpar@2244:   static double r;
alpar@2244:   r=5;
alpar@2244: }
alpar@2244: 
alpar@2244: inline void f_rand() 
alpar@2244: {
alpar@2244:   static int r;  
alpar@2244:   r=rand();
alpar@2244: }
alpar@2244: 
alpar@2244: inline void f_random() 
alpar@2244: {
alpar@2244:   static long int r;
alpar@2244:   r=random();
alpar@2244: }
alpar@2244: 
alpar@2244: inline void f_drand48() 
alpar@2244: {
alpar@2244:   static double r;
alpar@2244:   r=drand48();
alpar@2244: }
alpar@2244: 
alpar@2244: inline void f_rnd_d() 
alpar@2244: {
alpar@2244:   static double r;
alpar@2244:   r=rnd();
alpar@2244: }
alpar@2244: inline void f_rnd_int1000() 
alpar@2244: {
alpar@2244:   static int r;
alpar@2244:   r=rnd[1000];
alpar@2244: }
alpar@2244: inline void f_rnd_bool() 
alpar@2244: {
alpar@2244:   static bool r;
alpar@2244:   r=rnd.boolean();
alpar@2244: }
alpar@2244: 
alpar@2244: // inline void f_() 
alpar@2244: // {
alpar@2244: //   static double r;
alpar@2244: //   r=;
alpar@2244: // }
alpar@2244: 
alpar@2244: int main()
alpar@2244: {
alpar@2244:   TimeStamp full;
alpar@2244:   TimeStamp t;
alpar@2244:   unsigned int n;
alpar@2244:   
alpar@2244:   const double TEST_DURATION=10;
alpar@2244: 
alpar@2244:   t=runningTimeTest(f_no,2,&n,&full);
alpar@2244: 
alpar@2244:   t=runningTimeTest(f_no,TEST_DURATION,&n,&full); 
alpar@2244:   std::cout << "EMPTY:         ";
alpar@2244:   std::cout << t.userTime() << " (" << n << " tests)\n";
alpar@2244:   
alpar@2244:   t=runningTimeTest(f_noi,TEST_DURATION,&n,&full);
alpar@2244:   std::cout << "INLINED EMPTY: ";
alpar@2244:   std::cout << t.userTime() << " (" << n << " tests)\n";
alpar@2244:   
alpar@2244:   TimeStamp ti=t=runningTimeTest(f_i,TEST_DURATION,&n,&full);
alpar@2244:   std::cout << "INT COPY:      ";
alpar@2244:   std::cout << t.userTime() << " (" << n << " tests)\n";
alpar@2244:   
alpar@2244:   TimeStamp tl=t=runningTimeTest(f_l,TEST_DURATION,&n,&full);
alpar@2244:   std::cout << "LONG COPY:     ";
alpar@2244:   std::cout << t.userTime() << " (" << n << " tests)\n";
alpar@2244:   
alpar@2244:   TimeStamp td=t=runningTimeTest(f_d,TEST_DURATION,&n,&full);
alpar@2244:   std::cout << "DOUBLE COPY:   ";
alpar@2244:   std::cout << t.userTime() << " (" << n << " tests)\n";
alpar@2244:   
alpar@2244:   t=runningTimeTest(f_rand,TEST_DURATION,&n,&full);
alpar@2244:   std::cout << "rand():        ";
alpar@2244:   std::cout << (t-ti).userTime() << " (" << n << " tests)\n";
alpar@2244:   
alpar@2244:   t=runningTimeTest(f_random,TEST_DURATION,&n,&full);
alpar@2244:   std::cout << "random():      ";
alpar@2244:   std::cout << (t-tl).userTime() << " (" << n << " tests)\n";
alpar@2244:   
alpar@2244:   t=runningTimeTest(f_drand48,TEST_DURATION,&n,&full);
alpar@2244:   std::cout << "drand48():     ";
alpar@2244:   std::cout << (t-td).userTime() << " (" << n << " tests)\n";
alpar@2244:   
alpar@2244:   t=runningTimeTest(f_rnd_d,TEST_DURATION,&n,&full);
alpar@2244:   std::cout << "rnd():         ";
alpar@2244:   std::cout << (t-td).userTime() << " (" << n << " tests)\n";
alpar@2244:   
alpar@2244:   t=runningTimeTest(f_rnd_int1000,TEST_DURATION,&n,&full);
alpar@2244:   std::cout << "rnd[1000]:     ";
alpar@2244:   std::cout << (t-ti).userTime() << " (" << n << " tests)\n";
alpar@2244:   
alpar@2244:   t=runningTimeTest(f_rnd_bool,TEST_DURATION,&n,&full);
alpar@2244:   std::cout << "rnd.boolean(): ";
alpar@2244:   std::cout << (t-ti).userTime() << " (" << n << " tests)\n";
alpar@2244:   
alpar@2244: //   t=runningTimeTest(f_,TEST_DURATION,&n,&full);
alpar@2244: //   std::cout << "\n";
alpar@2244: //   std::cout << t << " (" << n << " tests)\n";
alpar@2244: //   std::cout << "Total: " << full << "\n\n";
alpar@2244:   
alpar@2244:   return 0;
alpar@2244: }