1/**
 2 * This file has no copyright assigned and is placed in the Public Domain.
 3 * This file is part of the mingw-w64 runtime package.
 4 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
 5 */
 6/*
 7 * Written by J.T. Conklin <jtc@netbsd.org>.
 8 * Public domain.
 9 *
10 */
11
12#include <math.h>
13
14float
15atanf (float x)
16{
17  float res = 0.0F;
18
19  asm volatile (
20       "fld1\n\t"
21       "fpatan" : "=t" (res) : "0" (x));
22  return res;
23}