1 /* Get NaN payload. ldbl-128ibm version.
2 Copyright (C) 2016-2023 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/>. */
19 #include <fix-int-fp-convert-zero.h>
21 #include <math_private.h>
25 __getpayloadl (const long double *x
)
27 double xhi
= ldbl_high (*x
);
29 EXTRACT_WORDS64 (ix
, xhi
);
30 if ((ix
& 0x7ff0000000000000ULL
) != 0x7ff0000000000000ULL
31 || (ix
& 0xfffffffffffffULL
) == 0)
33 ix
&= 0x7ffffffffffffULL
;
34 if (FIX_INT_FP_CONVERT_ZERO
&& ix
== 0)
36 return (long double) ix
;
38 weak_alias (__getpayloadl
, getpayloadl
)