Re: [Boost-users] [rational] proposed gcd and lcm for rational

On Thu, Jul 21, 2011 at 17:29, Thomas Taylor wrote:

Especially a lcm makes sense in my opinion, [...]

The gcd is certainly trickier as it appears to me to be less intuitive.

I think that once you have one, you don't have to think about the other. I'd be very confused if the implementation didn't always satisfy GCD(a, b) * LCM(a, b) = a * b ~ Scott