| 1 | /* -*- C++ -*- | 
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| 2 |  * | 
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| 3 |  * This file is a part of LEMON, a generic C++ optimization library | 
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| 4 |  * | 
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| 5 |  * Copyright (C) 2003-2008 | 
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| 6 |  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport | 
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| 7 |  * (Egervary Research Group on Combinatorial Optimization, EGRES). | 
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| 8 |  * | 
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| 9 |  * Permission to use, modify and distribute this software is granted | 
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| 10 |  * provided that this copyright notice appears in all copies. For | 
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| 11 |  * precise terms see the accompanying LICENSE file. | 
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| 12 |  * | 
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| 13 |  * This software is provided "AS IS" with no warranty of any kind, | 
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| 14 |  * express or implied, and with no claim as to its suitability for any | 
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| 15 |  * purpose. | 
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| 16 |  * | 
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| 17 |  */ | 
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| 18 |  | 
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| 19 | #include <lemon/time_measure.h> | 
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| 20 |  | 
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| 21 | ///\file \brief Test cases for time_measure.h | 
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| 22 | /// | 
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| 23 | ///\todo To be extended | 
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| 24 |  | 
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| 25 |  | 
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| 26 | using namespace lemon; | 
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| 27 |  | 
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| 28 | void f()  | 
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| 29 | { | 
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| 30 |   double d=0; | 
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| 31 |   for(int i=0;i<1000;i++) | 
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| 32 |     d+=0.1; | 
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| 33 | } | 
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| 34 |  | 
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| 35 | void g()  | 
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| 36 | { | 
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| 37 |   static Timer T; | 
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| 38 |    | 
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| 39 |   for(int i=0;i<1000;i++) | 
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| 40 |     TimeStamp x(T); | 
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| 41 | } | 
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| 42 |  | 
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| 43 | int main() | 
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| 44 | { | 
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| 45 |   Timer T; | 
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| 46 |   unsigned int n; | 
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| 47 |   for(n=0;T.realTime()<1.0;n++) ; | 
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| 48 |   std::cout << T << " (" << n << " time queries)\n"; | 
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| 49 |   T.restart(); | 
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| 50 |   while(T.realTime()<2.0) ; | 
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| 51 |   std::cout << T << '\n'; | 
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| 52 |   TimeStamp full; | 
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| 53 |   TimeStamp t; | 
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| 54 |   t=runningTimeTest(f,1,&n,&full); | 
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| 55 |   std::cout << t << " (" << n << " tests)\n"; | 
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| 56 |   std::cout << "Total: " << full << "\n"; | 
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| 57 |    | 
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| 58 |   t=runningTimeTest(g,1,&n,&full); | 
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| 59 |   std::cout << t << " (" << n << " tests)\n"; | 
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| 60 |   std::cout << "Total: " << full << "\n"; | 
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| 61 |    | 
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| 62 |   return 0; | 
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| 63 | } | 
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