Ron Parker <ron### [at] povrayorg> wrote:
: I think MegaPOV still has the "type 2" bicubic patch, which evaluates the
: bicubic directly.

  How is this done? How fast is it? Can it be done even nearly as fast as
with triangles?

-- 
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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