Re: In a macro, how can I index upon an array whose name and length are passed to a function?

Posted by ctrueden on Jan 29, 2009; 8:32pm
URL: http://imagej.273.s1.nabble.com/In-a-macro-how-can-I-index-upon-an-array-whose-name-and-length-are-passed-to-a-function-tp3693895p3693898.html

Hi Bill,

Try this:

-----
a = newArray(1, 2, 3);
b = newArray(4, 5, 6, 7);

sumTheArray(a);
sumTheArray(b);

function sumTheArray(arrayName) {
   theArraySum = 0;
   for (i = 0; i < lengthOf(arrayName); i++) {
       theArraySum = theArraySum + arrayName[i];
   }
   print(theArraySum);
}
-----

-Curtis

On Thu, Jan 29, 2009 at 2:07 PM, Bill Christens-Barry <
[hidden email]> wrote:

> In a macro, how can I index upon an array whose name and length are passed
> to a function? This
> nonworking example shows what I'd like to do:
>
> a = newArray(1, 2, 3);
> b = newArray(4, 5, 6, 7);
>
> sumTheArray("a", 3);
> sumTheArray("b", 4);
>
> function sumTheArray(arrayName, n) {
>    theArraySum = 0;
>    for (i = 0, i < n; i++) {
>        theArraySum += arrayName[n];
>        print(theArraySum);
>    }
> }
>
> Bill Christens-Barry
>