Function vec2py

python/typemap_utils.cpp:127–182

}

static PyObject *vec2py(const meep::vec &v, bool newobj = false) {
  SWIG_PYTHON_THREAD_SCOPED_BLOCK;
  // Return value: New reference
  double x = 0, y = 0, z = 0;

  switch (v.dim) {
    case meep::D1: z = v.z(); break;
    case meep::D2:
      x = v.x();
      y = v.y();
      break;
    case meep::D3:
      x = v.x();
      y = v.y();
      z = v.z();
      break;
    case meep::Dcyl:
      x = v.r();
      z = v.z();
      break;
  }

  if (newobj) {
    PyObject *v3_class = py_vector3_object();
    PyObject *args = Py_BuildValue("(d,d,d)", x, y, z);
    PyObject *res = PyObject_Call(v3_class, args, NULL);

    Py_DECREF(args);

    return res;
  }
  else {
    if (py_callback_v3 == NULL) {
      PyObject *v3_class = py_vector3_object();
      PyObject *args = PyTuple_New(0);
      py_callback_v3 = PyObject_Call(v3_class, args, NULL);

      Py_DECREF(args);
    }

    PyObject *pyx = PyFloat_FromDouble(x);
    PyObject *pyy = PyFloat_FromDouble(y);
    PyObject *pyz = PyFloat_FromDouble(z);

    PyObject_SetAttrString(py_callback_v3, "x", pyx);
    PyObject_SetAttrString(py_callback_v3, "y", pyy);
    PyObject_SetAttrString(py_callback_v3, "z", pyz);

    Py_DECREF(pyx);
    Py_DECREF(pyy);
    Py_DECREF(pyz);

    Py_INCREF(py_callback_v3);
    return py_callback_v3;
  };
}

static void py_user_material_func_wrap(vector3 x, void *user_data, medium_struct *medium) {