| PyObject* marching_cubes(PyArrayObject* arr, double isovalue); | |
| PyObject* marching_cubes2(PyArrayObject* arr, double isovalue); | |
| PyObject* marching_cubes3(PyArrayObject* arr, double isovalue); | |
| PyObject* marching_cubes_func(PyObject* lower, PyObject* upper, | |
| int numx, int numy, int numz, PyObject* f, double isovalue); | |