2017-04-11 21:13:36 +00:00
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/*
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* Copyright (c) 1993 Martin Birgmeier
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* All rights reserved.
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*
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* You may redistribute unmodified or modified versions of this source
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* code provided that the above copyright notice and this and the
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* following conditions are retained.
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*
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* This software is provided ``as is'', and comes with no warranties
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* of any kind. I shall in no event be liable for anything that happens
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* to anyone/anything when using this software.
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*/
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#include "rand48.h"
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double
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2018-12-28 15:30:48 +00:00
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_erand48_r (struct _reent *r,
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2017-04-11 21:13:36 +00:00
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unsigned short xseed[3])
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{
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__dorand48(r, xseed);
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return ldexp((double) xseed[0], -48) +
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ldexp((double) xseed[1], -32) +
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ldexp((double) xseed[2], -16);
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}
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#ifndef _REENT_ONLY
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double
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2018-12-28 15:30:48 +00:00
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erand48 (unsigned short xseed[3])
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2017-04-11 21:13:36 +00:00
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{
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return _erand48_r (_REENT, xseed);
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}
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#endif /* !_REENT_ONLY */
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