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Annotation of coherent/d/usr/src/examples/rand.c, revision 1.1

1.1     ! root        1: #define MAXVAL 32767   /* range of rand: [0,2^15-1] */
        !             2: 
        !             3: main(argc, argv)
        !             4: int argc; char *argv[];
        !             5: {
        !             6:        register int i, hits, threshold, ntrials;
        !             7: 
        !             8:        hits = 0;
        !             9:        threshold = (argc > 1) ? atoi(argv[1]) : MAXVAL/2;
        !            10:        ntrials = (argc > 2) ? atoi(argv[2]) : 1000;
        !            11:        if (argc > 3)
        !            12:                srand(atoi(argv[3]));
        !            13: 
        !            14:        for (i = 1; i <= ntrials; i++)
        !            15:                if (rand() > threshold)
        !            16:                        ++hits;
        !            17: 
        !            18:        printf("%d values above %d in %d trials (%ld%%).\n",
        !            19:                hits, threshold, ntrials, (100L*hits)/ntrials);
        !            20: }
        !            21: 

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