hi,

William F Pokorny <ano### [at] anonymousorg> wrote:
> On 9/19/20 8:22 AM, William F Pokorny wrote:
> ...
> Hey jr, Given you have machine which shows the slow down and one which
> does not, would you be willing to add the following test in compiles for
> both machines? Then try white/black and white/color renders on both?
>
> In tracetask.cpp, at about line 764, insert code so things look like:
>
> double cf = confidenceFactor[neighborSamples-1];
> PreciseRGBTColour sqrtvar = Sqrt(variance);
>
> if (variance.red()<0)
>      throw POV_EXCEPTION_STRING("kaboom");
>
> PreciseRGBTColour confidenceDelta = sqrtvar * cf;

sure, will find time in the next few days.  (will I need line above and below
for context or is it "self-evident"?  :-))

a specific "white/black and white/colour" test scene or are you referring to
Ton's code modified?

> ...


regards, jr.

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