Syntax
=====

.. code-block:: text

    listr8 = CALC_AMOR_MODAL (
        ◇/AMOR_RAYLEIGH = _F (
               ◆ AMOR_ALPHA = float,
               ◆ AMOR_BETA = float,
               ◆ MODE_MECA = meca fashion,
            ),
          /ENER_SOL = _F (
               ◇ METHODE =/"DEPL" (by default),
                           /"RIGI_PARASOL ",
               ◆ MODE_MECA = meca fashion,
               ◆/GROUP_NO_RADIER = grno,
                 /GROUP_MA_RADIER = grma,
               ◇/FONC_GROUP = formula/tablecloth/function,
                 /COEF_GROUP = float,
               ◆ KX = float,
               ◆ KY = float,
               ◆ KZ = float,
               ◇ & KRX = float,
                 & KRY = float,
               ◇ & KRZ = float,
               ◇/GROUP_NO_CENTRE = grno,
               ◇/COOR_CENTRE = float,
            ),
        ◇/AMOR_INTERNE = _F (
               ◆ ENER_POT = table,
               ◆ GROUP_MA = Grma,
               ◆ AMOR_REDUIT = float,
            ),
        ◇/AMOR_SOL = _F (
               ◇ AMOR_REDUIT = float,
               ◆ FONC_AMOR_GEO = formula/tablecloth/function,
               ◇ HOMOGENE =/"OUI" (by default),
                            /"NON ",
               ◇ SEUIL = float (default: 0.3),
            ),
        ◇ CORR_AMOR_NEGATIF =/"NON" (by default),
                              /"IGNORE ",
                              /"OUI ",
        # If: equal_to (" CORR_AMOR_NEGATIF ", 'OUI')
            ◆ COEF_CORR_AMOR = float,
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices