[PATCH 2/4] gdiplus: Partially implement arrow caps

[Vincent Povirk]

> +static BOOL compare_float(float f, float g, unsigned int ulps)
> +{
> +    int x = *(int *)&f;
> +    int y = *(int *)&g;
> +
> +    if (x < 0)
> +        x = INT_MIN - x;
> +    if (y < 0)
> +        y = INT_MIN - y;
> +
> +    if (abs(x - y) > ulps)
> +        return FALSE;
> +
> +    return TRUE;
> +}

I'm confused by this function. Why are you testing the difference of 2
floats interpreted as integers?