Is this integrator based on a random seed, or what? Can it be reset? Is there anyway to reset the integrator? This could be a multiple choice question--ya never know.
On Friday, August 08, 2008, at 11:50AM, "joris de jong" <[EMAIL PROTECTED]> wrote: >so hitting this limit would take about 2.3079922 × >> 10^182 times longer than the universe has existed. > >that's the funniest thing i've heard all week! > >joris > > > >> From: [EMAIL PROTECTED] >> To: [EMAIL PROTECTED]; [EMAIL PROTECTED] >> Date: Fri, 8 Aug 2008 09:16:43 -0400 >> CC: [email protected] >> Subject: Re: Integrator Reset >> >> > Since the integrator patch basically accumulates increasingly large >> > (or small) numbers, is it necessary to to check if the value exceeds >> > a particular threshold, and reset it if so? >> >> The integrator patch is backed by a double-precision floating point >> value, so you don't need to worry about hitting NaN/Inf until around 1e >> +308 or so -- see http://softpixel.com/~cwright/programming/datatypes.c.php >> . However, at such large values you loose lots of low-value >> precision (i.e. 1e300 + 1.0 == 1e300), so depending on the kind of >> data you're working with that might become a problem. >> >> To whip out some fun nerd math: >> >> If you were to add 1.0 per second, it would take 9.99999 x 10 ^ 199 >> seconds to get to 1e200. Currently the universe is about 4.33276594 × >> 10^17 seconds old, so hitting this limit would take about 2.3079922 × >> 10^182 times longer than the universe has existed. That's pretty >> long. Even if you were to all 1000.0 units per second, you'd still >> have essentially forever :) (again, disregarding the low-value >> roundoff stuff from floating point math) >> >> -- >> [ christopher wright ] >> [EMAIL PROTECTED] >> http://kineme.net/ >> > >_________________________________________________________________ >Jouw nieuws en entertainment, vind je op MSN.nl! >http://nl.msn.com/ _______________________________________________ Do not post admin requests to the list. They will be ignored. Quartzcomposer-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/quartzcomposer-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
