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Annotation of 43BSDTahoe/games/monop/roll.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  */
        !            17: 
        !            18: #ifndef lint
        !            19: static char sccsid[] = "@(#)roll.c     5.4 (Berkeley) 6/18/88";
        !            20: #endif /* not lint */
        !            21: 
        !            22: /*
        !            23:  *     This routine rolls ndie nside-sided dice.
        !            24:  */
        !            25: 
        !            26: # define       reg     register
        !            27: 
        !            28: # if !defined(vax) && !defined(tahoe)
        !            29: # define       MAXRAND 32767L
        !            30: 
        !            31: roll(ndie, nsides)
        !            32: int    ndie, nsides; {
        !            33: 
        !            34:        reg long        tot;
        !            35:        reg unsigned    n, r;
        !            36: 
        !            37:        tot = 0;
        !            38:        n = ndie;
        !            39:        while (n--)
        !            40:                tot += rand();
        !            41:        return (int) ((tot * (long) nsides) / ((long) MAXRAND + 1)) + ndie;
        !            42: }
        !            43: 
        !            44: # else
        !            45: 
        !            46: roll(ndie, nsides)
        !            47: reg int        ndie, nsides; {
        !            48: 
        !            49:        reg int         tot, r;
        !            50:        reg double      num_sides;
        !            51: 
        !            52:        num_sides = nsides;
        !            53:        tot = 0;
        !            54:        while (ndie--)
        !            55:                tot += (r = rand()) * (num_sides / 017777777777) + 1;
        !            56:        return tot;
        !            57: }
        !            58: # endif

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