Interpolate on a dense volume mesh
**********************************

This module contains a grid interpolation algorithm that integrates previous Birch--Murnaghan equation of state fitting,
to get Helmholtz free energy on a denser volume mesh.

.. automodule:: qha

.. automodule:: qha.grid_interpolation

   .. autofunction:: calculate_eulerian_strain
   .. autofunction:: from_eulerian_strain

   .. autoclass:: VolumeExpander
    :members:

   .. autoclass:: FinerGrid
    :members: