1 /* long double square root in software floating-point emulation.
2 Copyright (C) 1997-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library. If not, see
17 <https://www.gnu.org/licenses/>. */
22 #include <shlib-compat.h>
25 __ieee754_sqrtl (const long double a
)
28 FP_DECL_Q(A
); FP_DECL_Q(C
);
30 long _round
= 4; /* dynamic rounding */
40 /* ??? We forgot to add this symbol in 2.15. Getting this into 2.18 isn't as
41 straight-forward as just adding the alias, since a generic Versions file
42 includes the 2.15 version and the linker uses the first one it sees. */
43 #if SHLIB_COMPAT (libm, GLIBC_2_15, GLIBC_2_18)
44 compat_symbol (libm
, __ieee754_sqrtl
, __sqrtl_finite
, GLIBC_2_18
);