..
   Generated automatically by cpp2rst

.. highlight:: c
.. role:: red
.. role:: green
.. role:: param


.. _triqs__atom_diag__atom_diag__get_eigenvalue:

triqs::atom_diag::atom_diag::get_eigenvalue
===========================================

*#include <triqs/atom_diag/atom_diag.hpp>*



**Synopsis**

 .. rst-class:: cppsynopsis

       | double :red:`get_eigenvalue` (int :param:`sp_index`, int :param:`i`) const





Get the i-th eigenvalue of subspace sp_index





Parameters
^^^^^^^^^^

 * :param:`sp_index` Index of the invariant subspace.

 * :param:`i` State index within the subspace.