On 5/9/24 04:23, kurtz le pirate wrote:
> For me, it was just a test to adapt
> isosurfaces found in "MathMod" to POVRay
> <https://sourceforge.net/projects/mathmod/>

I've not run the application, but I too have spent time trying shapes 
others have worked up for it. The f_toupie() inbuilt in my yuqk fork, 
both in name and core code, comes from such play! :-)

---

As for chasing the original, "min() max gradient still too high" issue, 
I've stopped.

In hindsight, the overall chase was worthwhile for yuqk fork issues of 
my own doing. Plus, clang correctly implementing the dynamic CPU 
optimization, gave me the means to dig into a longstanding, general 
POV-Ray build issue too.

As "code bug hunts" go, this one yielded much. :-)

Bill P.

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