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Annotation of researchv10no/games/mille/roll.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char sccsid[] = "@(#)roll.c     4.1 12/24/82";
        !             3: #endif
        !             4: 
        !             5: /*
        !             6:  *     This routine rolls ndie nside-sided dice.
        !             7:  */
        !             8: 
        !             9: # define       reg     register
        !            10: 
        !            11: # ifndef vax
        !            12: # define       MAXRAND 32767L
        !            13: 
        !            14: roll(ndie, nsides)
        !            15: int    ndie, nsides; {
        !            16: 
        !            17:        reg long        tot;
        !            18:        reg unsigned    n, r;
        !            19: 
        !            20:        tot = 0;
        !            21:        n = ndie;
        !            22:        while (n--)
        !            23:                tot += rand();
        !            24:        return (int) ((tot * (long) nsides) / ((long) MAXRAND + 1)) + ndie;
        !            25: }
        !            26: 
        !            27: # else
        !            28: 
        !            29: roll(ndie, nsides)
        !            30: reg int        ndie, nsides; {
        !            31: 
        !            32:        reg int         tot, r;
        !            33:        reg double      num_sides;
        !            34: 
        !            35:        num_sides = nsides;
        !            36:        tot = 0;
        !            37:        while (ndie--)
        !            38:                tot += (r = rand()) * (num_sides / 0x7fff) + 1;
        !            39:        return tot;
        !            40: }
        !            41: # endif

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