Andrew Kelley 02b221051a fix aarch64-windows-gnu libc
We were missing some math functions. After this enhancement I verified
that I was able to cross-compile ninja.exe for aarch64-windows and
produce a viable binary.
2022-12-10 03:06:17 -05:00

18 lines
405 B
C
Vendored

/**
* 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.
*/
#include <math.h>
float atanhf(float x)
{
if (x > 1 || x < -1)
return NAN;
if (-1e-6 < x && x < 1e-6)
return x + x*x*x/3;
else
return (logf(1 + x) - logf(1 - x)) / 2;
}