Re: writing a module file in gfortran 14

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 ?

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No.
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[snip]
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You want
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       module aaa_modules
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            implicit none
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            INTERFACE
              SUBROUTINE ABCPAR(ISW,IRETST,IR,IC,PAR,IPHASE)

                  IMPLICIT NONE
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...
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because declarations in the outer module have no meaning on
interfaces.
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A rather frequent source of confusion, I'm afraid (I got bitten
by this myself in the past).

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Woof !  I was afraid of that.  The Fortran Module definition seems to be very fragile.
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That is going to be painful to add to my module file.
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Lynn
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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