To install in the system:
pip install -e . 


On compilation you can import the package fmm3dpy
which has 2 main subroutines

- hfmm3d: for computing N-body Helmholtz interactions
- lfmm3d: for computing N-body Laplace interactions

Examples for both of these are demonstrated in
``hfmmexample.py`` and ``lfmmexample.py``


