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


.. _triqs__hilbert_space__hilbert_space__operator!=:

triqs::hilbert_space::hilbert_space::operator!=
===============================================

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



**Synopsis**

 .. rst-class:: cppsynopsis

       | bool :red:`operator!=` (:ref:`hilbert_space <triqs__hilbert_space__hilbert_space>` const & :param:`hs`) const





Check two Hilbert spaces for inequality

  For the full Hilbert spaces this check is equivalent to a dimension inequality check





Parameters
^^^^^^^^^^

 * :param:`hs` Another Hilbert space


Returns
^^^^^^^

`false` if the two spaces are equal, `true` otherwise