[PATCH 6/6] d3dx9_36/tests: fixed order of parameters

[Henri Verbeet]

On Tue, 28 Sept 2021 at 18:50, Eric Pouech <eric.pouech at gmail.com> wrote:
>  static inline D3DXVECTOR2 *unit_vec2(D3DXVECTOR2 *dir, const D3DXVECTOR2 *pt1, const D3DXVECTOR2 *pt2)
>  {
> -    return D3DXVec2Normalize(D3DXVec2Subtract(dir, pt2, pt1), dir);
> +    return D3DXVec2Normalize(dir, D3DXVec2Subtract(dir, pt2, pt1));
>  }
>
That's arguably more readable, but note that this doesn't otherwise
make much of a difference; D3DXVec2Subtract() returns the output
vector, so this effectively does "D3DXVec2Normalize(dir, dir);" either
way.