Re: [boost] [mpl::math Rational] type member

From: Andy Little (andy_at_[hidden])
Date: 2005-10-23 08:48:43

"David Abrahams"  wrote
> "Andy Little"  writes:
>
>> I am arguing for a normalised version, so for my_rational<2,8>,
>> my_rational<3,12>  and my_rational<5,20>  among others, the normalised
>> version
>> is my_rational<1,4> and thats what I think rational<...>::type should return.
>
> Why should that normalization be done eagerly?  I can see no good
> reason for it.

Numerator and denominator members are evaluated already . I guess you could
remove them....

[cut]

> Is it daft to want my_rational<x,1> to be a conforming MPL integral
> constant?

Who wants special cases? integral constant can be converted to a rational
constant , but not necessarily the other way. numerator<T> and denominator<T>
functions  are provided  for integration with integral constants.

regards
Andy Little