[amibroker] How can AddToComposite generate Null values?

["treliff" <treliff@xxxxxxxxx>]

When I run a dummy-scan like

AddToComposite( IIf( DayOfWeek() == 5, Null, 1) , "~nulltest" , "X");

this results in Friday's values zero (instead of Null or {empty} ).

Point is I need my ATC to generate values that will be recognized by 
Foreign function as "fixup candidates".

I have tried instead 

AddToComposite( IIf( DayOfWeek() == 5, 1/0, 1) , "~nulltest" , "X");

and this generates Infiniti values:

1.#INF

however it seems these are not considered for Foreign fixup.  

Any advice will be gratefully received. TIA.  

-treliff





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