1 /* Private inline math functions for x86.
2    Copyright (C) 1995-2021 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 X86_MATH_PRIVATE_H
20 #define X86_MATH_PRIVATE_H 1
21 
22 #include_next <math_private.h>
23 
24 __extern_always_inline long double
__NTH(__ieee754_atan2l (long double y,long double x))25 __NTH (__ieee754_atan2l (long double y, long double x))
26 {
27   long double ret;
28   __asm__ __volatile__ ("fpatan" : "=t" (ret) : "0" (x), "u" (y) : "st(1)");
29   return ret;
30 }
31 
32 #endif
33