[FFmpeg-devel] [PATCH] Add a MAXDIST parameter to tiny_psnr (for 1-off fate tests)

Michael Niedermayer michaelni
Fri Jul 9 15:36:53 CEST 2010


On Fri, Jul 09, 2010 at 09:15:04AM +0200, Diego Biurrun wrote:
> On Fri, Jul 09, 2010 at 02:51:05AM +0100, M?ns Rullg?rd wrote:
> > Rafa?l Carr? <rafael.carre at gmail.com> writes:
> > 
> > > On Thu, 08 Jul 2010 21:06:55 +0100
> > > M?ns Rullg?rd <mans at mansr.com> wrote:
> > >
> > >> > What about, just... abs()?
> > >> 
> > >> I'll bet a beer there's at least one system where it's missing.
> > >
> > > I accept the bet (although Vitor said it was "present in all supported
> > > archs" so perhaps it's too late, up to you)
> > 
> > To win the bet you must show that no system exists where this function
> > is missing.  This could prove rather difficult given the forking rate
> > of BSD (and their penchant for randomly leaving out standard functions).
> 
> Hey!  The joke that
> is (c) me, you can use it freely, but you must give credit ;)

funny, yes

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Awnsering whenever a program halts or runs forever is
On a turing machine, in general impossible (turings halting problem).
On any real computer, always possible as a real computer has a finite number
of states N, and will either halt in less than N cycles or never halt.
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