POV-Ray : Newsgroups : povray.beta-test.binaries : optics.pov 3.7.0 vs 3.7.1 : Re: optics.pov 3.7.0 vs 3.7.1 Server Time
10 Jun 2024 13:27:03 EDT (-0400)
  Re: optics.pov 3.7.0 vs 3.7.1  
From: ThH
Date: 28 Feb 2016 02:06:19
Message: <56d29c6b$1@news.povray.org>
Am 28.02.2016 um 07:59 schrieb clipka:
> Ha!
>
> Does this look familiar to anyone?

In deed. It does ;)

> It turns out that the root problem _is_ also present in the Windows
> version -- but it's masked by a peculiarity of the run-time library's
> handling of special floating-point values.
>
> What happens is that _somewhere_ in the photon computations one of the
> mathematical operations results in "not a sensible value", which carries
> over into the computed colour values. How such values behave in the
> conversion to the RGBE format depends on the run-time library
> implementation: On Windows it results in zero values, thus "healing" the
> problem. On Linux however, it results in rather high values instead.

Frustration turned into and idea. Fine :)

Will there be a new master in the near future? Please don't get me 
wrong... Only asking because I would like to "play around" with the 
latest master.


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