I will modify the document, but it is very easy for the J user to detect whether or not the operation is done in place.
NB. in place a=: i.1e5 7!:2 'a,123' 524992 7!:2 'a=: a,123' 768 NB. in place a=: o. i.1e5 7!:2 'a,123' 1049344 7!:2 'a=: a,123' 832 NB. not in place a=: 1e5 $ <123 7!:2 'a,<123' 525056 7!:2 'a=: a,<123' 525120 NB. not in place a=: i.10^5x 7!:2 'a,123' 525120 7!:2 'a=: a,123' 525184 ----- Original Message ----- From: "Sherlock, Ric" <[EMAIL PROTECTED]> Date: Thursday, November 20, 2008 16:37 Subject: RE: [Jprogramming] Project Euler Problem 216 To: Programming forum <[email protected]> > ---Roger Hui wrote: > > In this case front vs. back makes no difference because > > append-in-place does not support boxed arrays. > > It would be good to mention this exception in this essay: > http://www.jsoftware.com/jwiki/Essays/In-Place_Operations ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
