compiler/posixc/lrand48.c

   1 /*
   2  * Copyright (c) 1993 Martin Birgmeier
   3  * All rights reserved.
   4  *
   5  * You may redistribute unmodified or modified versions of this source
   6  * code provided that the above copyright notice and this and the
   7  * following conditions are retained.
   8  *
   9  * This software is provided ``as is'', and comes with no warranties
  10  * of any kind. I shall in no event be liable for anything that happens
  11  * to anyone/anything when using this software.
  12  */
  13
  14 #include "rand48.h"
  15
  16 extern unsigned short _rand48_seed[3];
  17
  18 /*****************************************************************************
  19
  20     NAME */
  21
  22         long lrand48(
  23
  24 /*  SYNOPSIS */
  25         void)
  26
  27 /*  FUNCTION
  28
  29     INPUTS
  30
  31     RESULT
  32
  33     NOTES
  34
  35     EXAMPLE
  36
  37     BUGS
  38
  39     SEE ALSO
  40
  41     INTERNALS
  42
  43 ******************************************************************************/
  44 {
  45         _dorand48(_rand48_seed);
  46         return ((long) _rand48_seed[2] << 15) + ((long) _rand48_seed[1] >> 1);
  47 }
  48