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

[Craig Tatlor]

On Wed, Jun 13, 2018 at 01:12:45PM +0200, Linus Walleij wrote:
> 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

Thanks, interesting read.