In article <378E0F19.C4643CA3@inapg.inra.fr> , Gilles Tran 
<tra### [at] inapginrafr>  wrote:

> This is something I've noticed a while ago but didn't care about until
> recently : some math functions are not recognized in the isosurface
> function declaration : pow, log, atan2, int, ceil, floor.
> function  y + sqrt(x) works
> but
> function  y + pow(x,0.5) returns an error ("float factor expected but
> pow found instead")
>
> Any clue about this behavior ? Or am I missing something obvious ? It
> looks like the part of the patch that parses the function declaration
> doesn't know about these particular float functions.

The functions in the patch do _not_ match the POV-Ray functions, they are a
separate implementation and certain functions simply do not exist.


     Thorsten

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