Thanks for that. Obvious once someone points it out, isn't it.

Gordon

John VanSickle <van### [at] erolscom> wrote in article
<36BDEA43.B2B38108@erols.com>...
> BC wrote:
> > 
> > Can anyone tell me how you pass an array to a macro. I have looked at
the
> > docs, and they don't say you can't, but I can't figure out the syntax
to do
> > so.
> 
> It's easy.  Just pass the label for the array, and index into it within
> the macro.
> 
> For instance you can declare it as follows:
> 
> #macro Average(Array)
>   #local I=1;
>   #local Sum=Array[0]; // so that Sum is created as the same type as
Array[]
>   #while (I<dimension_size(Array,1))
>   #local Sum=Sum+Array[I];
>   #local I=I+1;
>   #end
>   (Sum/I)
> #end
> 
> And then use it like this:
> 
> #declare BugaBoo=array[4] { 34,5,-17,8 }
> #declare BugaBee=array[3] { <1,0,3>,x+y, <.3,.3,-.1>+z*2 }
> 
> #local s_ScalarAverage=Average(BugaBoo);
> #local s_VectorAverage=Average(BugaBee);
> 
> Hope this helps,
> John
>

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