Re: [racket-dev] feature request: gcd, lcm for rationals

2011-12-14 Thread David Van Horn
On 12/14/11 5:11 AM, Marijn wrote: (gcd-rational 2/3 2/3 2/3) 2/3 (lcm-rational 2/3 2/3 2/3) 4/9 is that 4/9 the intended result? No, I must've messed up the definition. Fortunately, Matthew did the right thing when he implemented lcm: Welcome to Racket v5.2.0.6. > (lcm 2/3 2/3 2/3) 2/3

Re: [racket-dev] feature request: gcd, lcm for rationals

2011-12-14 Thread Marijn
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 09-12-11 20:04, Jens Axel Søgaard wrote: > One definition of greatest common divisor in a ring R is: d is a > greatest common divisor of x and y when: i) d divides both x and > y ii) If e is a divisor of both x and y, then d divides e I think you