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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20180613160129.GC10090@arch>
Date:   Wed, 13 Jun 2018 17:01:29 +0100
From:   Craig Tatlor <ctatlor97@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, Sebastian Reichel <sre@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Linux PM list <linux-pm@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 1/4] fixp-arith: add a linear interpolation function

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@...aro.org> wrote:
> > On Thu, Jun 7, 2018 at 8:12 PM, Craig Tatlor <ctatlor97@...il.com> 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@...il.com>
> >
> > 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.