1 | /* -*- mode: C++; indent-tabs-mode: nil; -*- |
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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) 2003-2009 |
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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 | #include <lemon/concept_check.h> |
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21 | |
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22 | using namespace lemon; |
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23 | |
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24 | void f() |
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25 | { |
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26 | double d=0; |
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27 | for(int i=0;i<1000;i++) |
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28 | d+=0.1; |
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29 | } |
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30 | |
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31 | void g() |
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32 | { |
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33 | static Timer T; |
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34 | |
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35 | for(int i=0;i<1000;i++) |
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36 | { |
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37 | TimeStamp x(T); |
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38 | ignore_unused_variable_warning(x); |
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39 | } |
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40 | } |
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41 | |
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42 | int main() |
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43 | { |
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44 | Timer T; |
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45 | unsigned int n; |
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46 | for(n=0;T.realTime()<0.1;n++) ; |
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47 | std::cout << T << " (" << n << " time queries)\n"; |
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48 | |
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49 | TimeStamp full; |
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50 | TimeStamp t; |
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51 | t=runningTimeTest(f,0.1,&n,&full); |
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52 | std::cout << t << " (" << n << " tests)\n"; |
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53 | std::cout << "Total: " << full << "\n"; |
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54 | |
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55 | t=runningTimeTest(g,0.1,&n,&full); |
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56 | std::cout << t << " (" << n << " tests)\n"; |
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57 | std::cout << "Total: " << full << "\n"; |
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58 | |
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59 | return 0; |
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60 | } |
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