Aleksandar Donev wrote:
> On Monday 28 April 2008 12:51, Bill Long wrote:
>
>
>> Changing the actual argument to a C_LOC reference also has the side
>> effect of making the actual argument an expression whose value is not a
>> Fortran pointer. Thus, the corresponding dummy argument cannot be
>> defined. A problem for about half of the interesting MPI cases.
>>
> That's a bogus complaint. The actual is a C pointer, and cannot be changed,
> indeed. But its target can be changed through the pointer, which is exactly
> the intent here.
>
The problem is that the Fortran standard supports those semantics only
for a Fortran pointer, not for a C pointer. I know it "will work
anyway", but that does not mean it is valid.
Cheers,
Bill
> I'll give my "vote" when I have a little more time to think about it...
>
> Best,
> Aleks
>
--
Bill Long longb_at_[hidden]
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Bioinformatics Software Development fax: 651-605-9142
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