[MPlayer-dev-eng] float vs. double

Sylvain Petreolle spetreolle at yahoo.fr
Mon Sep 23 00:16:40 CEST 2002


okay, but notice that enabling double precision removes a compilation
problem encountered in liba52. (see liba52/config.h)
 --- Arpi <arpi at thot.banki.hu> a écrit : > Hi,
> 
> >   It seems like rounding errors in some of the time sync
> calculations
> >   accumulate after a while.  They might be less if "double" was
> used.
> >   And aren't most of our processors as fast at dealing with a
> double?
> >   I guess it doesn't matter since pts_correction eventually picks
> up
> >   the slack, but it uses float too, so it might get less and less
> >   precise toward the end of a long movie.  Just curious if there's
> a
> >   reason a float is better?
> 
> i didn't notice such behaviour...
> 


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