I think this can be simpler:
return (pValue is an integer) AND (pValue >= 0)
Obviously, if it's an integer, it's also a number, and in this
context it might be better to avoid 'trunc' since in some
circumstances, (there is a thread from a while back about this) trunc
returns a non-integer result.
I'm still not clear on whether zero is positive, though, especially
since we can have -0 and +0 apparently, though being mathematically
unsophisticated I'd have thought them equal, except to a dumb computer!
Best,
Mark
On 5 Oct 2006, at 01:13, [EMAIL PROTECTED] wrote:
function isPositiveInteger pValue
return (pValue is a number) AND (pValue >=0) AND (trunc(pValue)
=pValue)
end isPositiveInteger
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