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/* Copyright (C) 1993 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <math.h>
#include "ieee754.h"
/* Break VALUE into a normalized fraction and an integral power of 2. */
double
frexp (value, exp)
double value;
int *exp;
{
if (value == 0)
{
*exp = 0;
return 0;
}
else
{
union ieee754_double u;
u.d = value;
*exp = u.ieee.exponent - 1022;
u.ieee.exponent = 1022;
return u.d;
}
}
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