[22] | 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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