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From: Lynn McGuire <lynnmcguire5@gmail.com>
Newsgroups: comp.lang.fortran
Subject: Re: writing a module file in gfortran 14
Date: Sat, 7 Dec 2024 17:04:58 -0600
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On 12/4/2024 6:40 PM, Gary Scott wrote:
> On 12/4/2024 3:20 PM, Lynn McGuire wrote:
>> On 12/4/2024 2:11 PM, Thomas Koenig wrote:
>>> Lynn McGuire <lynnmcguire5@gmail.com> schrieb:
>>>> Is the "implicit none" in the proper place in the following code ?
>>>
>>> No.
>>>
>>> [snip]
>>>
>>> You want
>>>
>>>>        module aaa_modules
>>>>
>>>>             implicit none
>>>>
>>>>             INTERFACE
>>>>               SUBROUTINE ABCPAR(ISW,IRETST,IR,IC,PAR,IPHASE)
>>>                   IMPLICIT NONE
>>>
>>> ...
>>>
>>> because declarations in the outer module have no meaning on
>>> interfaces.
>>>
>>> A rather frequent source of confusion, I'm afraid (I got bitten
>>> by this myself in the past).
>>
>> Woof !  I was afraid of that.  The Fortran Module definition seems to 
>> be very fragile.
>>
>> That is going to be painful to add to my module file.
>>
>> Lynn
>>
> The interface is its own entity.  I think the design is correct in 
> requiring the implicit none to be repeated.  While I might have 
> preferred a "file scope" design more, as long as there is consistency in 
> the design, I'm ok with it.
> 
> Sorry for the direct email :( intended to post here

No worries !  I only check the gmail email every week or two.

Thanks,
Lynn