blob: 3cdb32443d4e8a9382c62c1777ee9cf700bb186f (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
/* Return the mantissa of a floating-point number.
Copyright (C) 2018-2020 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
/*
* significand(x) computes just
* scalb(x, (FLOAT) - ilogb(x)),
* for exercising the fraction-part(F) IEEE 754-1985 test vector.
*/
#include <math.h>
#include <math_private.h>
FLOAT
M_DECL_FUNC (__significand) (FLOAT x)
{
return M_SUF (__ieee754_scalb) (x,(FLOAT) - M_SUF (__ilogb) (x));
}
declare_mgen_alias (__significand, significand)
|
