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Simple IF statement with `$SystemWordLength` not working

Simple IF statement not working. Not sure what I am doing wrong. I want to print 32 if the negation of 64 is false and 64 otherwise

If[!($SystemWordLength = 64),32, 64]
POSTED BY: Jose Calderon
4 Replies

I believe that on all platforms supported today, just using


will return the same number as the If statement, so that may suffice.

POSTED BY: Ilian Gachevski

That's enough

 If[$SystemWordLength != 64, 32, 64]
POSTED BY: Udo Krause

yes It works!! Thanks.. I still confuse her and then when use the SET == and the Equal = is applied. Thanks very much! Also.. Can you comment what is best practice

If[! $SystemWordLength == 64, 32, 64]


If[! ($SystemWordLength == 64), 32, 64]


If[(! $SystemWordLength == 64), 32, 64]
POSTED BY: Jose Calderon

Does it work with Equal (==) instead of Set (=)?

POSTED BY: Ilian Gachevski
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