Re: [PATCH v5 1/4] fixp-arith: add a linear interpolation function

[Linus Walleij]

On Wed, Jun 13, 2018 at 1:06 PM, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> On Thu, Jun 7, 2018 at 8:12 PM, Craig Tatlor <ctatlor97@xxxxxxxxx> wrote:
>
>> Adds a function to interpolate against two points,
>> this is carried arount as a helper function by tons of drivers.
>>
>> Signed-off-by: Craig Tatlor <ctatlor97@xxxxxxxxx>
>
> The linear formula seems to fit the most natural form of linear
> interpolation.
>
> I bet some John Carmack algorithm type people will soon
> start to optimize this... :D

For your entertainment here is some sunday reading:
https://fgiesen.wordpress.com/2012/08/15/linear-interpolation-past-present-and-future/

Yours,
Linus Walleij