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1 #define NDEBUG |
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2 |
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3 #include <lemon/time_measure.h> |
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4 #include <lemon/smart_graph.h> |
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5 #include <lemon/graph_utils.h> |
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6 #include <lemon/maps.h> |
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7 #include <lemon/error.h> |
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8 |
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9 #include <lemon/radix_sort.h> |
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10 |
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11 #include <vector> |
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12 #include <algorithm> |
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13 #include <cmath> |
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14 |
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15 using namespace std; |
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16 using namespace lemon; |
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17 |
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18 void testRadixSort() { |
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19 int n = 10000000; |
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20 vector<int> data(n); |
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21 for (int i = 0; i < n; ++i) { |
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22 data[i] = (int)(1000 * (rand() / (RAND_MAX + 1.0))) - 500; |
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23 } |
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24 radixSort(data.begin(), data.end()); |
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25 } |
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26 |
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27 |
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28 void testCounterSort() { |
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29 int n = 10000000; |
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30 vector<int> data(n); |
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31 for (int i = 0; i < n; ++i) { |
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32 data[i] = (int)(1000 * (rand() / (RAND_MAX + 1.0))) - 500; |
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33 } |
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34 counterSort(data.begin(), data.end()); |
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35 } |
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36 |
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37 void testSort() { |
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38 int n = 10000000; |
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39 vector<int> data(n); |
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40 for (int i = 0; i < n; ++i) { |
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41 data[i] = (int)(1000 * (rand() / (RAND_MAX + 1.0))) - 500; |
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42 } |
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43 sort(data.begin(), data.end()); |
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44 } |
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45 |
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46 void testStableSort() { |
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47 int n = 10000000; |
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48 vector<int> data(n); |
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49 for (int i = 0; i < n; ++i) { |
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50 data[i] = (int)(1000 * (rand() / (RAND_MAX + 1.0))) - 500; |
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51 } |
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52 stable_sort(data.begin(), data.end()); |
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53 } |
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54 |
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55 void testSorts() { |
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56 { |
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57 int n = 10000000; |
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58 vector<int> data(n); |
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59 } |
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60 cout << "Radix sort: " << runningTimeTest(testRadixSort, 60) << endl; |
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61 cout << "Counter sort: " << runningTimeTest(testCounterSort, 60) << endl; |
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62 cout << "Standard sort: " << runningTimeTest(testSort, 60) << endl; |
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63 cout << "Stable sort: " << runningTimeTest(testStableSort, 60) << endl; |
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64 } |
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65 |
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66 |
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67 int main() { |
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68 testSorts(); |
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69 return 0; |
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70 } |