----- Original Message ----- From: "Andrei Alexandrescu" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, February 03, 2003 8:44 PM Subject: [boost] Re: Array support [was SmartPtr (Loki) -auto_ptr/movec'torissue]
> "Howard Hinnant" <[EMAIL PROTECTED]> wrote in message > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > On Sunday, February 2, 2003, at 11:40 PM, Andrei Alexandrescu wrote: > > > > > By and large, I believe "smart pointers to arrays" are an oxymoron and > > > should not be supported. > > > > Why? > > The reasons are explained in MC++D. Here's my take: > > 1. Arrays of polymorphic objects don't work. > > 2. If I wanna arrays of monomorphic objects I can use std::vector. > > 3. If I wanna arrays of monomorphic objects and std::vector's performance > is unsatisfactory to me, I can use the typed buffers > (http://www.moderncppdesign.com/publications/cuj-08-2001.html, > http://www.moderncppdesign.com/publications/cuj-10-2001.html, > http://www.moderncppdesign.com/publications/cuj-12-2001.html) that are > present in the up-and-coming YASLI. > > 4. So there's no reason I'd ever wanna have smart pointers to arrays. I needed something with exactly boost::shared_array's interface to add reference counting to ublas. With shared_array I'm able to run the CLAPACK test suite on ublas containers. Best, Joerg _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
