1 | // |
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2 | // |
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3 | // |
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4 | |
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5 | #include <stdio.h> |
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6 | #include "cbr.h" |
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7 | |
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8 | int main() { |
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9 | unsigned int num_cols = 7; |
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10 | char * cols[] = { |
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11 | "BER", "throughput", |
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12 | "mod_scheme", "tx_power", |
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13 | "noise_power", "path_loss", |
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14 | "utility" |
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15 | }; |
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16 | float vals[num_cols]; |
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17 | vals[0] = 1e-3f; // BER |
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18 | vals[1] = 10e3f; // throughput |
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19 | vals[2] = 1; // mod_scheme |
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20 | vals[3] = -3.0f; // tx_power |
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21 | vals[4] = -50.0f; // noise_power |
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22 | vals[5] = 125.0f; // path_loss |
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23 | vals[6] = 0.762; // utility |
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24 | int rc; |
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25 | |
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26 | // create cbr database/table |
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27 | cbr mycbr = cbr_create("ex1", "data", cols, num_cols); |
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28 | |
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29 | // add row here |
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30 | rc = cbr_add_row(mycbr, cols, vals, num_cols); |
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31 | |
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32 | // print |
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33 | cbr_print(mycbr); |
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34 | |
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35 | // simple search: find entry where... |
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36 | // BER < 1e-2 and path_loss > 100 |
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37 | char * search_names[] = {"BER", "path_loss"}; |
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38 | int search_ops[] = {LT, GT}; |
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39 | float search_vals[] = {1e-2f, 100.f}; |
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40 | float retvals[num_cols]; |
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41 | rc = cbr_search(mycbr, search_names, search_ops, search_vals, 2, retvals); |
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42 | if (rc) |
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43 | printf("solution found!\n"); |
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44 | else |
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45 | printf("warning! no solution found\n"); |
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46 | |
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47 | // clean up |
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48 | cbr_free(mycbr); |
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49 | |
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50 | printf("done.\n"); |
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51 | return 0; |
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52 | } |
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53 | |
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