.. _spkg_benzene:

benzene: Generate fusenes and benzenoids with a given number of faces
=====================================================================

Description
-----------

Benzene is a program for the efficient generation of all nonisomorphic
fusenes and benzenoids with a given number of faces. Fusenes are planar
polycyclic hydrocarbons with all bounded faces hexagons. Benzenoids are
fusenes that are subgraphs of the hexagonal lattice.

License
-------

Benzene is licensed under the GNU General Public License v2 or later
(June 2007)


Upstream Contact
----------------

Benzene was written by Gunnar Brinkmann and Gilles Caporossi. This
version was adapted by Gunnar Brinkmann and Nico Van Cleemput for
Grinvin.

http://www.grinvin.org/

Dependencies
------------

-  None

Type
----

optional


Version Information
-------------------

package-version.txt::

    20130630

Equivalent System Packages
--------------------------

arch:

.. CODE-BLOCK:: bash

    $ sudo pacman -S  benzene

opensuse:

.. CODE-BLOCK:: bash

    $ sudo zypper install benzene

See https://repology.org/project/benzene/versions

However, these system packages will not be used for building Sage
because spkg-configure.m4 has not been written for this package;
see https://trac.sagemath.org/ticket/27330