1 /* Fused multiply-add of long double (ldbl-128) value, narrowing the result
2 to double.
3 Copyright (C) 2021-2022 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20 #define f32xfmaf64x __hide_f32xfmaf64x
21 #define f32xfmaf128 __hide_f32xfmaf128
22 #define f64fmaf64x __hide_f64fmaf64x
23 #define f64fmaf128 __hide_f64fmaf128
24 #include <math.h>
25 #undef f32xfmaf64x
26 #undef f32xfmaf128
27 #undef f64fmaf64x
28 #undef f64fmaf128
29
30 #include <math-narrow.h>
31
32 double
__dfmal(_Float128 x,_Float128 y,_Float128 z)33 __dfmal (_Float128 x, _Float128 y, _Float128 z)
34 {
35 NARROW_FMA_ROUND_TO_ODD (x, y, z, double, union ieee854_long_double, l,
36 mantissa3, false);
37 }
38 libm_alias_double_ldouble (fma)
39