Re: [ros-dev] [ros-diffs] [tkreuzer] 67709: [D3DX9_36/WINED3D] - Remove useless copysignf invocation and the wrong defines for it - BrokenHacksOnTopOfBrokenCode--; - Should be sent upstream

[Thomas Faber]

On 2015-05-14 06:00, tkreuzer(a)svn.reactos.org wrote:
>   -    int sign = (copysignf(1, in) < 0);
>  +    int sign = (in < 0); 

>   -    if (copysignf(1.0f, value) < 0.0f)
>  +    if (value < 0.0f)
>            ++idx; 

I believe the behavior would be different here for negative zero:
copysignf(1.0f, -0.0f) should be < 0.0f
-0.0f should be == 0.0f

Maybe that's the reason for having these calls?