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#include <math.h>
 7
 8typedef union ui_f {
 9	float f;
10	unsigned int ui;
11} ui_f;
12
13float copysignf(float aX, float aY)
14{
15  ui_f x,y;
16  x.f=aX; y.f=aY;
17  x.ui= (x.ui & 0x7fffffff) | (y.ui & 0x80000000);
18  return x.f;
19}