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Annotation of 43BSDTahoe/usr.lib/libpc/RANDOM.c, revision 1.1.1.1

1.1       root        1: /* Copyright (c) 1979 Regents of the University of California */
                      2: 
                      3: static char sccsid[] = "@(#)RANDOM.c 1.4 1/10/83";
                      4: 
                      5: #include "h00vars.h"
                      6: 
                      7: extern long RAND();
                      8: 
                      9: double
                     10: RANDOM()
                     11: {
                     12:        double d;
                     13:        long l;
                     14: 
                     15:        /*
                     16:         * calculate (1103515245 * seed) mod 2^31-1
                     17:         */
                     18:        d = 1103515245.0 * _seed / 2147483647.0;
                     19:        l = d;
                     20:        d = d - l;
                     21:        _seed = d * 2147483647.0;
                     22:        /*
                     23:         * want a value in the range 0..1
                     24:         */
                     25:        return(d);
                     26: }

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