1/*
2 * Public domain.
3 *
4 */
5
6#include <libm-alias-ldouble.h>
7
8long double
9__atanl (long double x)
10{
11 long double res;
12
13 asm ("fld1\n"
14 "fpatan"
15 : "=t" (res) : "0" (x));
16
17 return res;
18}
19
20libm_alias_ldouble (__atan, atan)
21

source code of glibc/sysdeps/i386/fpu/s_atanl.c