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Annotation of 42BSD/games/mille/roll.c, revision 1.1

1.1     ! root        1: /*
        !             2:  *     This routine rolls ndie nside-sided dice.
        !             3:  *
        !             4:  * @(#)roll.c  1.1 (Berkeley) 4/1/82
        !             5:  *
        !             6:  */
        !             7: 
        !             8: # define       reg     register
        !             9: 
        !            10: # ifndef vax
        !            11: # define       MAXRAND 32767L
        !            12: 
        !            13: roll(ndie, nsides)
        !            14: int    ndie, nsides; {
        !            15: 
        !            16:        reg long        tot;
        !            17:        reg unsigned    n, r;
        !            18: 
        !            19:        tot = 0;
        !            20:        n = ndie;
        !            21:        while (n--)
        !            22:                tot += rand();
        !            23:        return (int) ((tot * (long) nsides) / ((long) MAXRAND + 1)) + ndie;
        !            24: }
        !            25: 
        !            26: # else
        !            27: 
        !            28: roll(ndie, nsides)
        !            29: reg int        ndie, nsides; {
        !            30: 
        !            31:        reg int         tot, r;
        !            32:        reg double      num_sides;
        !            33: 
        !            34:        num_sides = nsides;
        !            35:        tot = 0;
        !            36:        while (ndie--)
        !            37:                tot += (r = rand()) * (num_sides / 017777777777) + 1;
        !            38:        return tot;
        !            39: }
        !            40: # endif

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