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 14 float atanf(float x)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 } 24