YIKES. That one line should read mat=PyArray_ContiguousFromObject(Pymat,NPY_DOUBLE,2,2);
Very sorry. --- Lou Pecora <[EMAIL PROTECTED]> wrote: > I've done this two ways. Which is better or safer? > > Say I'm passing a NumPy array (float) to a C > extension. One way to "parse" it is (ignoring > checks > on return values, etc. for now), > > PyArrayObject *mat; > PyArg_ParseTuple(args, "O!", &PyArray_Type, &mat); > > or is this better, > > PyObject *Pymat; > PyArrayObject *mat; > PyArg_ParseTuple(args, "O", &Pymat); > mat=PyArray_ContiguousFromObject(objin,NPY_DOUBLE, > 2,2); > > The latter appears to have the constraint that the > array be contiguous. Or is that an illusion and > it's > saying it _expects_ a Python object that has > contiguous data? > > I've done both. Pointing C arrays to the resulting > PyArrays' data works fine, but I fear one way or the > other might be courting disaster. > > BTW, I do other checks on dimension, type, etc., but > I > left those out here for clarity. (I hope.) > > > > > > -- Lou Pecora > My views are my own. > > > > ____________________________________________________________________________________ > Do you Yahoo!? > Everyone is raving about the all-new Yahoo! Mail > beta. > http://new.mail.yahoo.com > _______________________________________________ > SciPy-user mailing list > [EMAIL PROTECTED] > http://projects.scipy.org/mailman/listinfo/scipy-user > -- Lou Pecora My views are my own. ____________________________________________________________________________________ Have a burning question? Go to www.Answers.yahoo.com and get answers from real people who know. _______________________________________________ Pythonmac-SIG maillist - Pythonmac-SIG@python.org http://mail.python.org/mailman/listinfo/pythonmac-sig
