Wasn't it Tom Melly who wrote:
>I'm having a problem with the following scene under 3.5b5. The use of int is
>generating an error. I'm sort of assuming I'm doing something stupid, since
>if it was a bug I would be surprised if no one had come across it before
>(hence the post here rather than beta). I'm getting the error: "Parse Error:
>Expected 'function identifier', } found instead"
>
>I'm downloading beta 6 to see if that fixes it, but if anyone can spot what
>I'm doing wrong enquiring minds want to know. Here's the simplified
>function:
>
>#include "functions.inc"
>#declare fn_X = function(x,y,z) {int(x) }
>isosurface {
>  function { fn_X(x, y, z) }
>  contained_by { box { -1, 1 } }
>  accuracy 0.001
>  max_gradient 4
>  pigment{Yellow}
>}

When I asked about it on povray.beta-test back in 3.5beta2 the response
was:-
 
 >>  The docs, page 6.1.6, say int() and val() are permissible in a 
 >>  function.

 >  This is a documentation error.  Sorry for that, it will be  
 >  corrected.
 >
 >   Thorsten

But then later in the thread

 >  Hmm, do we really need the "int" behavior?  Anyway, I will add it to
 >  functions.
 >
 >   Thorsten

I guess it got forgotten. I'll post a reminder on beta-test. In the
meantime you'll have to use "floor()" or "ceil()" instead of "int()".

-- 
Mike Williams
Gentleman of Leisure

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