(j3.2006) READ unit ambiguity

Bill Long longb
Mon Mar 5 11:43:38 EST 2012

On 3/5/12 2:27 AM, Robert Corbett wrote:
> I found another case this past weekend.
> DO 10 .OP. P = 1, 10

This looks nonconforming.  The syntax rule says

<do-variable> is <scalar-int-variable-name>

and 10.OP.P does not qualify as a "name".

Interestingly, there is a constraint immediately following that says

C812 (R819) The do-variable shall be a variable of type integer.

Is that constraint really necessary?


> I am beginning to think it was a mistake to
> allow variables to have the syntax of
> operations.
> Bob Corbett
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Bill Long                                           longb at cray.com
Fortran Technical Support    &                 voice: 651-605-9024
Bioinformatics Software Development            fax:   651-605-9142
Cray Inc./Cray Plaza, Suite 210/380 Jackson St./St. Paul, MN 55101

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