Hi Dennis,
as can be seen from the reult below a FN loop is sub-optimal, which is why I
was asking; and thanks your suggestion is good.
The results I got from building an array of dimension 63998 are below. That
number seems odd, but using the matbuild method there's a limitation of
64000 elements (which may or may not be reached - but it is a limit).
Also, the CATS method comes close to fastest but required an intermediate
step to convert the values in the seed array to nulls.
I can send the test program to anyone who's interested.
str() method 0.0091 *:: str(val:@vm,count(seed,@vm)):val
cats method 0.0134 *:: cats(fields(seed,@tm,2),reuse(val))
matbuild method 0.03 *:: matbuild result from dimar using @vm
f/n loop method 19.5695 *:: for 1 to maxseed ; ins val before
result<1,1> ; next
Cheers,
Stuart
> Subject: RE: [U2] Propagating an array
> well, if you want to be truly esoteric,
>
> dim array( {big enough to cater for WorkCount} )
> matparse array from WORK<1> using @VM
> mat array = WorkValue
> matbuild Work2 from array using @VM
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