Thorsten Froehlich wrote:
> On 06.02.10 07:40, waggy wrote:
>> I messed with the f_mandelbulb internal function, squeezed about
>> 10-15% better
>> performance out of it, and posted what I have so far below.  (Note the
>> handy
>> sincos() function in the standard library saving a couple of trig calls.)
> 
> Except that it is non-standard...

  AFAIK it's part of the C99 standard.

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