/***********************************************************************************

   random_number.cpp

  * Copyright (c) 1997

  * Mark of the Unicorn, Inc.

  *

  * Permission to use, copy, modify, distribute and sell this software

  * and its documentation for any purpose is hereby granted without fee,

  * provided that the above copyright notice appear in all copies and

  * that both that copyright notice and this permission notice appear

  * in supporting documentation.  Mark of the Unicorn makes no

  * representations about the suitability of this software for any

  * purpose.  It is provided "as is" without express or implied warranty.

 ***********************************************************************************/

 #include "random_number.h"

 #include "Prefix.h"

 #if defined (EH_NEW_HEADERS)

 # include <functional>

 # include <cstdlib>

 #else

 # include <function.h>

 # include <stdlib.h>

 #endif

 unsigned random_number( size_t range )

 {

 #if !defined( __SGI_STL )

   if (range == 0) return 0;

   return (unsigned)(EH_STD::rand() + EH_STD::rand()) % range;

 #else

   static EH_STD::subtractive_rng rnd;

         if (range==0) return 0;

         return rnd(range);

 #endif

 }

 // default base for random container sizes

 unsigned random_base = 1000;