1 | /*************************************************************************/ |
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2 | /* */ |
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3 | /* Average results for training and test sets */ |
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4 | /* ------------------------------------------ */ |
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5 | /* */ |
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6 | /* This is a generic program that averages any numbers found on */ |
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7 | /* a set of lines of the same pattern. */ |
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8 | /* */ |
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9 | /*************************************************************************/ |
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10 | |
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11 | |
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12 | #include <stdio.h> |
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13 | |
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14 | #define MAXLINE 200 /* max line length */ |
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15 | #define MAXVALS 10 /* max values to be averaged */ |
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16 | |
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17 | |
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18 | main() |
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19 | { |
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20 | char Line[MAXLINE], *p1, *p2; |
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21 | int Numbers=0, Lines=0, i, TrainTest; |
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22 | float Val, Sum[2][MAXVALS]; |
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23 | double strtod(); |
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24 | |
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25 | for ( i = 0 ; i < MAXVALS ; i++ ) |
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26 | { |
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27 | Sum[0][i] = Sum[1][i] = 0; |
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28 | } |
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29 | |
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30 | while ( fgets(Line, MAXLINE, stdin) ) |
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31 | { |
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32 | i = 0; |
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33 | TrainTest = Lines % 2; |
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34 | printf("%s", Line); |
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35 | |
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36 | /* Count the numbers appearing on the line */ |
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37 | |
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38 | for ( p1 = Line ; *p1 != '\n' ; p1++ ) |
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39 | { |
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40 | if ( *p1 < '0' || *p1 > '9' ) continue; |
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41 | |
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42 | Val = strtod(p1, &p2); |
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43 | Sum[TrainTest][i++] += Val; |
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44 | p1 = p2-1; |
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45 | } |
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46 | |
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47 | /* The number of numbers must match any previous lines */ |
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48 | |
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49 | if ( Lines ) |
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50 | { |
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51 | if ( i != Numbers ) exit(); |
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52 | } |
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53 | else |
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54 | { |
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55 | Numbers = i; |
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56 | } |
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57 | |
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58 | Lines++; |
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59 | } |
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60 | |
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61 | putchar('\n'); |
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62 | for ( TrainTest = 0 ; TrainTest <= 1 ; TrainTest++ ) |
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63 | { |
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64 | i = 0; |
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65 | printf("%s:\t", TrainTest ? "test" : "train"); |
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66 | |
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67 | for ( p1 = Line ; *p1 != '\n' ; p1++ ) |
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68 | { |
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69 | if ( *p1 < '0' || *p1 > '9' ) |
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70 | { |
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71 | putchar(*p1); |
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72 | } |
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73 | else |
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74 | { |
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75 | printf("%.1f", Sum[TrainTest][i++] / (0.5 * Lines)); |
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76 | strtod(p1, &p2); |
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77 | p1 = p2-1; |
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78 | } |
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79 | } |
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80 | putchar('\n'); |
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81 | } |
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82 | } |
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