cpp_integer_pass.pyx

cpdef pass_by_ref():
    cdef int x
    set_integer_ref(x)
    return x


cpdef pass_by_ptr_0():
    cdef int[1] x
    set_integer_ptr(x)
    return x[0]


cpdef pass_by_ptr_1():
    cdef np.ndarray[int, ndim=1, mode='c'] x

    x = np.zeros((1,), dtype=np.int32)
    set_integer_ptr(&x[0])
    return x[0]


cpdef pass_by_ref_ptr():
    cdef int* x
    set_integer_ref_ptr(x)
    return x[0]