[J3] [SC22WG5.6418] RE: RE: [ukfortran] Request for interpretation of compile-time restrictions on ASSOCIATED

Malcolm Cohen malcolm at nag-j.co.jp
Thu Aug 4 09:38:48 UTC 2022


>>, ASSOCIATED will return .FALSE. 
>> because the shapes are not the same. ASSOCIATED is a much stronger 
>> test than mere address comparison.
>>
>I see.  In other words, ASSOCIATED doesn’t mean exactly the same as "POINTER and TARGET have been pointer-associated before".  The semantics differs when bounds remapping is involved.

Actually, there are other situations where the shape may differ, e.g. when argument association or storage association is involved - this is since Fortran 90. It is not only bounds remapping.

Cheers,
-- 
..............Malcolm Cohen, NAG Oxford/Tokyo.



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