"Kenneth" <kdw### [at] earthlinknet> wrote:
> The idea behind #if (vlength my_norm !=0) ...
Sorry, that should have been #if (vlength (my_norm) !=0)
BTW, you could instead use #if (vlength (my_norm) = 0) and simply rearrange
the parts in your #if......#else block to get the same results.
Ken
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