[ab] Fast pixel access

[Luke Crook]

Anthony Fairchild <anthonyf at ...> writes:

> I agree.   I offer my latest rotation function as a an example.  I'm
> not proud of the complexity so maybe others can offer suggestions to
> make it smaller 
> 
>         (let* ((w (sdl:surf-w surf))
>                (h (sdl:surf-h surf))
>                (even (evenp (/ degrees 90)))
>                (new-w (if even h w))
>                (new-h (if even w h))

I think this should be:

	     (new-w (if even w h))
	     (new-h (if even h w))

- Luke