Syntax
=====

.. code-block:: text

    /function_c
    /function
    /tablecloth = LIRE_FONCTION (
        ◇ FORMAT =/"LIBRE" (by default),
                   /"NUMPY ",
        ◇ TYPE =/"FONCTION" (by default),
                 /"FONCTION_C ",
                 /"NAPPE ",
        ◇ SEPARATEUR = text (default: "None"),
        ◇ INDIC_PARA = int (default: [1, 1]),
        # If: equal_to (" TYPE ", 'FONCTION')
            ◇ INDIC_RESU = int (default: [1, 2]),
        # If: equal_to (" TYPE ", 'FONCTION_C')
            ◇ FORMAT_C =/"REEL_IMAG" (by default),
                         /"MODULE_PHASE ",
            # If: equal_to (" FORMAT_C ", 'REEL_IMAG')
                ◇ INDIC_REEL = int (default: [1, 2]),
                ◇ INDIC_IMAG = int (default: [1, 3]),
            # If: equal_to (" FORMAT_C ", 'MODULE_PHASE')
                ◇ INDIC_MODU = int (default: [1, 2]),
                ◇ INDIC_PHAS = int (default: [1, 3]),
        # If: equal_to (" TYPE ", 'NAPPE')
            ◆ NOM_PARA_FONC =/"DX",
                              /"DY",
                              /"DZ",
                              /"DRX ",
                              /"DRY ",
                              /"DRZ ",
                              /"DTAN ",
                              /"TEMP ",
                              /"TSEC ",
                              /"INST ",
                              /"X",
                              /"Y",
                              /"Z",
                              /"EPSI ",
                              /"META ",
                              /"FREQ ",
                              /"PULS ",
                              /"DSP ",
                              /"AMOR ",
                              /"ABSC ",
                              /"SIGM ",
                              /"HYDR ",
                              /"SECH ",
                              /"PORO ",
                              /"SAT ",
                              /"IRRA ",
                              /"PGAZ ",
                              /"PCAP ",
                              /"PLIQ ",
                              /"PVAP ",
                              /"PAD ",
                              /"VITE ",
                              /"ENDO ",
                              /"NORM ",
                              /"EPAIS ",
                              /"EXCENT ",
                              /"NEUT1 ",
                              /"NEUT2 ",
                              /"NEUT3 ",
                              /"NEUT4 ",
                              /"XF",
                              /"YF",
                              /"ZF",
                              /"NUME_ORDRE ",
            ◆ INDIC_ABSCISSE = int,
            ◇ INTERPOL_FONC =/"LIN" (by default),
                              /"LOG ",
            ◇ PROL_DROITE_FONC =/"CONSTANT ",
                                 /"LINEAIRE ",
                                 /"EXCLU" (by default),
            ◇ PROL_GAUCHE_FONC =/"CONSTANT ",
                                 /"LINEAIRE ",
                                 /"EXCLU" (by default),
            ◇ DEFI_FONCTION = _F (
                 ◆ INDIC_RESU = int,
              ),
        ◆ UNITE = unit,
        ◆ NOM_PARA =/"DX",
                     /"DY",
                     /"DZ",
                     /"DRX ",
                     /"DRY ",
                     /"DRZ ",
                     /"DTAN ",
                     /"TEMP ",
                     /"TSEC ",
                     /"INST ",
                     /"X",
                     /"Y",
                     /"Z",
                     /"EPSI ",
                     /"META ",
                     /"FREQ ",
                     /"PULS ",
                     /"DSP ",
                     /"AMOR ",
                     /"ABSC ",
                     /"SIGM ",
                     /"HYDR ",
                     /"SECH ",
                     /"PORO ",
                     /"SAT ",
                     /"IRRA ",
                     /"PGAZ ",
                     /"PCAP ",
                     /"PLIQ ",
                     /"PVAP ",
                     /"PAD ",
                     /"VITE ",
                     /"ENDO ",
                     /"NORM ",
                     /"EPAIS ",
                     /"EXCENT ",
                     /"NEUT1 ",
                     /"NEUT2 ",
                     /"NEUT3 ",
                     /"NEUT4 ",
                     /"XF",
                     /"YF",
                     /"ZF",
                     /"NUME_ORDRE ",
        ◇ NOM_RESU = text (default: "TOUTRESU "),
        ◇ INTERPOL =/"LIN" (by default),
                     /"LOG ",
        ◇ PROL_DROITE =/"CONSTANT ",
                        /"LINEAIRE ",
                        /"EXCLU" (by default),
        ◇ PROL_GAUCHE =/"CONSTANT ",
                        /"LINEAIRE ",
                        /"EXCLU" (by default),
        ◇ VERIF =/"CROISSANT" (by default),
                  /"NON ",
        ◇ INFO =/1 (by default),
                 /2,
        ◇ TITRE = text,
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices