blob: 02b5199d5925f6915eafe1a56198f0cbdf358a2d (
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
34
35
36
|
/* fpclassifyf(). RISC-V version.
Copyright (C) 2017-2019 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
<http://www.gnu.org/licenses/>. */
#include <math.h>
#include <fenv_private.h>
int
__fpclassifyf (float x)
{
int cls = _FCLASS (x);
if (__builtin_expect (cls & _FCLASS_NORM, _FCLASS_NORM))
return FP_NORMAL;
if (__builtin_expect (cls & _FCLASS_ZERO, _FCLASS_ZERO))
return FP_ZERO;
if (__builtin_expect (cls & _FCLASS_SUBNORM, _FCLASS_SUBNORM))
return FP_SUBNORMAL;
if (__builtin_expect (cls & _FCLASS_INF, _FCLASS_INF))
return FP_INFINITE;
return FP_NAN;
}
libm_hidden_def (__fpclassifyf)
|