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OS/2 Shareware BBS: 10 Tools
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stlpt453.zip
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STLport-4.5.3
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test
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eh
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random_number.cpp
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2000-12-07
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/***********************************************************************************
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( unsigned 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;