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39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
/***********************************************************************************
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random_number.cpp
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* Copyright (c) 1997
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* Mark of the Unicorn, Inc.
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Mark of the Unicorn makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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***********************************************************************************/
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#include "random_number.h"
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#include "Prefix.h"
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#if defined (EH_NEW_HEADERS)
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# include <functional>
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# include <cstdlib>
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#else
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# include <function.h>
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# include <stdlib.h>
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#endif
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unsigned random_number( size_t range )
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{
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#if !defined( __SGI_STL )
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if (range == 0) return 0;
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return (unsigned)(EH_STD::rand() + EH_STD::rand()) % range;
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#else
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static EH_STD::subtractive_rng rnd;
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if (range==0) return 0;
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return rnd(range);
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#endif
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}
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// default base for random container sizes
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unsigned random_base = 1000;
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