(j3.2006) (SC22WG5.5449) [ukfortran] Response to TS ballot

[Bill Long]

On Feb 20, 2015, at 5:40 AM, N.M. Maclaren <nmm1 at cam.ac.uk> wrote:

> On Feb 19 2015, John Reid wrote:
>>> Nick Maclaren wrote
>> No, for the reasons given in N2038, N2013 and other votes.  I need to
>> reiterate that neither response in N2039 even addresses my comments.  I
>> believe that incorporating the TS into the main standard will cause
>> serious harm to Fortran, because the (semantic) difficulties cannot be
>> resolved (let alone specified unambiguously) in the time available.
>> Indeed, it is not clear even that they ARE soluble, because this TS is
>> specifying a feature that is beyond the state of the art, and has been
>> for half a century.  I would be prepared to change my vote to abstain if
>> the decision to incorporate it were reversed.
>> 
>> Response
>> It is our belief that agreeing to delay to a later revision of the
>> Fortran standard would lead to several "no" votes.  Failure to
>> standardize a resilience capability before compilers implement F2015
>> would lead to vendors implementing incompatible schemes, hurting the
>> goal of code portability.
> 
> Whether or not the second statement is true, and it is extremely
> unclear whether it is, it is not a response to my objections.  I am
> asserting that the task is infeasible, for the reasons I gave.
> 


There are differing opinions on whether ?the task is infeasible?.   I tend to weight higher the opinions of the guys who will end up writing the compiler and runtime code. 

Cheers,
Bill

> 
> Regards,
> Nick Maclaren.
> 
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Bill Long                                                                       longb at cray.com
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