arrinter.py 文件源码

def check_args(self, call_flags,
                   shape, typekind, strides, length, bufsize, itemsize,
                   offset=0):
        if call_flags & 1:
            typekind_arg = typekind
        else:
            typekind_arg = None
        if call_flags & 2:
            strides_arg = strides
        else:
            strides_arg = None
        a = Exporter(shape, itemsize=itemsize, strides=strides_arg)
        self.assertEqual(sizeof(a._data), bufsize)
        self.assertEqual(a.data, ctypes.addressof(a._data) + offset)
        m = ArrayInterface(a)
        self.assertEqual(m.data, a.data)
        self.assertEqual(m.itemsize, itemsize)
        self.assertEqual(tuple(m.shape[0:m.nd]), shape)
        self.assertEqual(tuple(m.strides[0:m.nd]), strides)