1/* Fix for conversion of float NAN to double. Generic version.
2 Copyright (C) 2022-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
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.
9
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.
14
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/>. */
18
19#ifndef FIX_FLOAT_DOUBLE_CONVERT_NAN_H
20#define FIX_FLOAT_DOUBLE_CONVERT_NAN_H
21
22/* This function aims to work around conversions of float -NAN
23 to double returning NAN instead of the correct -NAN in some
24 architectures. */
25static inline double __attribute__ ((always_inline))
26keep_sign_conversion (float flt)
27{
28 return flt;
29}
30
31#endif
32