zig/lib/libc/mingw/math/x86/atanf.c

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/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*
*/
#include <math.h>
float
atanf (float x)
{
float res = 0.0F;
asm volatile (
"fld1\n\t"
"fpatan" : "=t" (res) : "0" (x));
return res;
}