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

[Duane Clark]

Dmitry Timoshkov wrote:
> "Vitaly Budovski" <vbudovski at gmail.com> wrote:
> 
>>> Now that you got rid of sqrt calls usage of float numbers internally
>>> doesn't look justified (to me) anymore.
>>>
>> Only because in this instance it is used with integer data. It doesn't 
>> need to be limited to just integer values. Besides, what would be gained 
>> by changing it to integers as you suggest?
> 
> What would be gained is an additional speed. Since this code is supposed
> to be used to handle palette/color data there is no need to use floats at
> all.

While I cannot vouch for the accuracy, this might be of interest:
http://lua-users.org/wiki/FloatingPoint