blob: d4c2f6f8abbab7f01dffea0618671fd8cc2eb494 (
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
|
/* Software floating-point emulation.
Return sqrtl(a)
Copyright (C) 1997-2023 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/>. */
#include "soft-fp.h"
#include "quad.h"
long double _Q_sqrt(const long double a)
{
FP_DECL_EX;
FP_DECL_Q(A); FP_DECL_Q(C);
long double c;
FP_INIT_ROUNDMODE;
FP_UNPACK_Q(A, a);
FP_SQRT_Q(C, A);
FP_PACK_Q(c, C);
FP_HANDLE_EXCEPTIONS;
return c;
}
|
