===========================
Input file, general remarks
===========================

.. toctree::
   :maxdepth: 1

The input is free format. Comments are enclosed between ( ), e.g. (this is comment only); a comma , is not allowed inside comments. The input should consist of an initialization part and a data part, separated by :ref:`end_initia` and ended by :ref:`end_data`

.. code::

   initialization
   ...
   initialization
   end_initia

   data_item index data_values
   ...
   data_item index data_values
   end_data

Bold printed data in this manual can be used literally. Italic printed data is only symbolic (it represents a number or a word).