[PATCH 3/3] winex11: Use TINN algorithm to speed up colour lookups. (try 2)

[Dmitry Timoshkov]

"Vitaly Budovski" <vbudovski at gmail.com> wrote:

> Make use of the Triangle Inequality Nearest Neighbour algorithm to find the
> nearest colour more efficiently than a simple linear search. The improvements
> are most noticeable with a palette of 256 colours. Testing shows approximately
> 3-4x performance increase for 256 colours.

Now that you got rid of sqrt calls usage of float numbers internally
doesn't look justified (to me) anymore.

-- 
Dmitry.