Re: [q-lang-users] Exponentiation operator

[Rob H. <hub...@gm...>]

John Cowan wrote:
> Albert Graef scripsit:
>   
>> A related question is whether rational arithmetic should return an Int
>> instead of a Rational when the denominator of the result is 1.
>>     
>
> I think it should, yes.  And likewise when the numerator is 0.
>   

The Rationals are normalised (that is, they are reduced to have a 
positive denominator, and coprime numerator and denominator). So, when 
the numerator is 0, the denominator is 1. Thus the denominator  is 1 
exactly when the overall value is integral.