[J3] [BULK] Re: Upcoming gfortran 15 will contain an implementation of unsigned numbers

[Johnson, Ted]

> Fred wrote:
> What happens when two large unsigned numbers are added together?
>   An error
>   Wrap modulo 2**(number of bits in number); which is what C does
>   Saturate to the largest value
>   Something else

I believe the answer is "an undetectable wrap modulo 2**N, as in C" - which is why HPE/Bill Long voted against it.

-ted
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