1 | /* Double precision floating point fused multiply-add. RISC-V version. |
2 | Copyright (C) 2017-2024 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 | #define NO_MATH_REDIRECT |
20 | #define dfmal __hide_dfmal |
21 | #define f32xfmaf64 __hide_f32xfmaf64 |
22 | #include <math.h> |
23 | #undef dfmal |
24 | #undef f32xfmaf64 |
25 | #include <fenv.h> |
26 | #include <ieee754.h> |
27 | #include <libm-alias-double.h> |
28 | #include <math-narrow-alias.h> |
29 | |
30 | double |
31 | __fma (double x, double y, double z) |
32 | { |
33 | asm ("fmadd.d %0, %1, %2, %3" : "=f" (x) : "f" (x), "f" (y), "f" (z)); |
34 | return x; |
35 | } |
36 | libm_alias_double (__fma, fma) |
37 | libm_alias_double_narrow (__fma, fma) |
38 | |