On Tue, Mar 24, 2009 at 3:49 PM, Dag Sverre Seljebotn <[email protected]> wrote: > Lisandro Dalcin wrote: >> Stefan, I'm currently very busy trying to get a new release of two of >> my projects... >> >> My original patch still needs a bit of discussion, and there is room >> for improvement, as I want to extend that machinery to "extern >> ctypedef" integrals in such a way that Cython stop assuming a base >> type and instead emit a custom conversor. > > Excellent! As you probably know the buffer interface already does not > make such assumptions. >
Yes, of course :-) > So basically, > > cdef extern: > ctypedef short a > ctypedef long b > > here, a and b should always be treated in the exact same way by Cython? +1! > Yes, but you still will need to specify signed(default)/unsigned. > I think we should include floats though, so that the size of float vs. > long double isn't assumed for external typedefs as well. > Well... I believe floats are different beasts. Python can only handle 'double', there is no a flexible floating like PyLong for integers... I do not want to enter "Decimal" terrain. We should discuss at some point what to do with all this... -- Lisandro Dalcín --------------- Centro Internacional de Métodos Computacionales en Ingeniería (CIMEC) Instituto de Desarrollo Tecnológico para la Industria Química (INTEC) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) PTLC - Güemes 3450, (3000) Santa Fe, Argentina Tel/Fax: +54-(0)342-451.1594 _______________________________________________ Cython-dev mailing list [email protected] http://codespeak.net/mailman/listinfo/cython-dev
