[Info-vax] DCL Integer Overflow

[Scott Dorsey]

On 6/30/2017 5:06 AM, GerMarsh wrote:
> I know that there have been a few discussions about
> enhancing/replacing DCL, but I wonder if someone will fix the old
> integer overflow which has been there since the year dot...
> 
> $ int=%x7fffffff
> $ sho sym int
>    INT = 2147483647   Hex = 7FFFFFFF  Octal = 17777777777
> $ int=int+1
> $ sho sym int
>    INT = -2147483648   Hex = 80000000  Octal = 20000000000

This is not a bug, it's a feature.
If you don't want it to roll over, what DO you want it to do?
Halt with an error?
--scott
-- 
"C'est un Nagra. C'est suisse, et tres, tres precis."