From: "Ralf W. Grosse-Kunstleve" <[EMAIL PROTECTED]> > > I did not use boost::shared_array to implement the shared_plain<T> type because > one of our requirements is that one reference count can be used to manage > multiple types. This is required in the context of in-place fast Fourier > transforms. I.e. an array that starts out as shared_plain<std::complex<double> > > ends up as shared<double> after the Fourier transformation or vice versa. Of > course, constructing an array with type T and destructing it while thinking of > it as containing element types U could potentially lead to disasters. To > provide a certain degree of protection type casts are therefore only allowed > for element types with trivial destructors. This is managed through type traits > that can be specialized by the user.
On most platforms, if you reinterpret_cast a shared_array< complex<double> > to shared_array< double >, it will still destroy itself properly. (magic!) _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
