Retro68/gcc/newlib/libc/stdlib/erand48.c
Wolfgang Thaller ec13cc9ce7 fix newlib
2018-12-29 09:59:36 +01:00

33 lines
800 B
C

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