Subject: Re: [boost] [rational] Can the community maintenance team and/or rational users please review some pull requests?
From: John Maddock (jz.maddock_at_[hidden])
Date: 2015-03-30 14:15:35
> If I understand correctly, cpp_rational is constructible from double
> but rational isn't? It is documented, so it's ok, but it may still
> confuse some users.
>
Correct. Conversion works in the multiprecision case because someone
asked for it, and the integers are large enough that we shouldn't have
to worry about overflow etc. In the non-multiprecision case, there are
plenty of doubles which can't be converted to a rational of (built in)
integers. And of course (possibly 128 bit) long doubles are even more
of an issue.
John.