1/***********************************************************************************
2  random_number.cpp
3
4 * Copyright (c) 1997
5 * Mark of the Unicorn, Inc.
6 *
7 * Permission to use, copy, modify, distribute and sell this software
8 * and its documentation for any purpose is hereby granted without fee,
9 * provided that the above copyright notice appear in all copies and
10 * that both that copyright notice and this permission notice appear
11 * in supporting documentation.  Mark of the Unicorn makes no
12 * representations about the suitability of this software for any
13 * purpose.  It is provided "as is" without express or implied warranty.
14
15***********************************************************************************/
16#include "random_number.h"
17#include "Prefix.h"
18#if defined (EH_NEW_HEADERS)
19# include <functional>
20# include <cstdlib>
21#else
22# include <function.h>
23# include <stdlib.h>
24#endif
25
26unsigned random_number( size_t range )
27{
28#if !defined( __SGI_STL )
29  if (range == 0) return 0;
30  return (unsigned)(EH_STD::rand() + EH_STD::rand()) % range;
31#else
32  static EH_STD::subtractive_rng rnd;
33        if (range==0) return 0;
34        return rnd(range);
35#endif
36}
37
38// default base for random container sizes
39unsigned random_base = 1000;
40