Re: Enumerations in fortran 2003

glen herrmannsfeldt wrote:
> Richard Maine wrote:
>
>> In article <f_2dncw9Fo8TZqTeRVn-tw@xxxxxxxxxxx>,
>> glen herrmannsfeldt <gah@xxxxxxxxxxxxxxxx> wrote:
>
>>> Does C interop pass variables by value to C functions?
>
>> It does whatever is specified by the interface. There isn't a "do
>> every variable the same way" rule. In fact, there isn't a separate
>> C interop rule for variables at all; that's not one of the
>> determinants.
>
> Next question, then, is can Fortran pass an enumeration constant
> by reference?

Just like it passes a constant or expression of any other type
by reference: it makes a temporary of the type and KIND
appropriate, copies the value of the constant or expression
into that temporary, and passes a reference to that temporary.

--
J. Giles

"I conclude that there are two ways of constructing a software
design: One way is to make it so simple that there are obviously
no deficiencies and the other way is to make it so complicated
that there are no obvious deficiencies." -- C. A. R. Hoare


.

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