Syntax
=====
               

.. code-block:: text

    emp_mode = DEFI_BASE_REDUITE (
        ◇ reuse = <objet de BASE >,
        ◇ BASE = mode_empi,
        ◇ OPERATION =/"GLOUTON ",
                      /"ORTHO ",
                      /"POD" (by default),
                      /"POD_INCR ",
                      /"TRONCATURE ",
        # If: (equal_to (" OPERATION ", 'POD'))
            ◆ RESULTAT = evol_noli/evol_ther,
            # If: is_type (" RESULTAT ") == evol_ther
                ◆ NOM_CHAM =/"FLUX_NOEU ",
                             /"TEMP ",
            # If: is_type (" RESULTAT ") == evol_noli
                ◆ NOM_CHAM =/"DEPL ",
                             /"SIEF_ELGA ",
                             /"SIEF_NOEU ",
                             /"VARI_ELGA ",
            ◇ TYPE_BASE =/"3D" (by default),
                          /"LINEIQUE ",
            # If: (equal_to (" TYPE_BASE ", 'LINEIQUE'))
                ◆ AXE =/"OX",
                        /"OH",
                        /"OZ",
                ◆ SECTION = grno,
            ◇ TOLE_SVD = float (default: 1e-06),
            ◇ NB_MODE = int,
            ◇ SNAPSHOT = int,
            ◇ NOM_CMP = text,
            # If: (equal_to (" NOM_CHAM ", 'VARI_ELGA'))
                ◇ NOM_VARI = text,
        # If: (equal_to (" OPERATION ", 'POD_INCR'))
            ◆ RESULTAT = evol_noli/evol_ther,
            # If: is_type (" RESULTAT ") == evol_ther
                ◆ NOM_CHAM =/"FLUX_NOEU ",
                             /"TEMP ",
            # If: is_type (" RESULTAT ") == evol_noli
                ◆ NOM_CHAM =/"DEPL ",
                             /"SIEF_ELGA ",
                             /"SIEF_NOEU ",
                             /"VARI_ELGA ",
            ◇ TYPE_BASE =/"3D" (by default),
                          /"LINEIQUE ",
            # If: (equal_to (" TYPE_BASE ", 'LINEIQUE'))
                ◆ AXE =/"OX",
                        /"OH",
                        /"OZ",
                ◆ SECTION = grno,
            ◇ TOLE = float (default: 1e-10),
            ◇ TOLE_SVD = float (default: 1e-06),
            ◇ NB_MODE = int,
            ◇ TABL_COOR_REDUIT = table,
            ◇ SNAPSHOT = int,
            ◇ NOM_CMP = text,
            # If: (equal_to (" NOM_CHAM ", 'VARI_ELGA'))
                ◇ NOM_VARI = text,
        # If: (equal_to (" OPERATION ", 'GLOUTON'))
            ◆ NB_VARI_COEF = int,
            ◇ TYPE_VARI_COEF = "DIRECT ",
            ◇ ORTHO_BASE =/"NON" (by default),
                           /"OUI ",
            ◇ TYPE_BASE =/"IFS_STAB ",
                          /"STANDARD" (by default),
            # If: (equal_to (" TYPE_VARI_COEF ", 'DIRECT'))
                ◇ VARI_PARA = _F (
                     ◆ NOM_PARA =/"ABSC ",
                                  /"AMOR ",
                                  /"DRX ",
                                  /"DRY ",
                                  /"DRZ ",
                                  /"DSP ",
                                  /"DTAN ",
                                  /"XX",
                                  /"DY",
                                  /"DZ",
                                  /"ENDO ",
                                  /"EPAIS ",
                                  /"EPSI ",
                                  /"EXCENT ",
                                  /"FREQ ",
                                  /"HYDR ",
                                  /"INST ",
                                  /"IRRA ",
                                  /"META ",
                                  /"NEUT1 ",
                                  /"NEUT2 ",
                                  /"NEUT3 ",
                                  /"NEUT4 ",
                                  /"NORM ",
                                  /"NUME_ORDRE ",
                                  /"PAD ",
                                  /"PCAP ",
                                  /"PGAZ ",
                                  /"PLIQ ",
                                  /"PORO ",
                                  /"PULS ",
                                  /"PVAP ",
                                  /"SAT ",
                                  /"SECH ",
                                  /"SIGM ",
                                  /"TEMP ",
                                  /"TSEC ",
                                  /"VITE ",
                                  /"X",
                                  /"XF",
                                  /"Y",
                                  /"YF",
                                  /"Z",
                                  /"ZF",
                     ◆ VALE_PARA = float,
                     ◆ VALE_INIT = float,
                  ),
            ◇ MATR_ASSE = _F (
                 ◆ MATRICE = matr_asse_depl_c/matr_asse_depl_r/matr_asse_pres_c/matr_asse_pres_r/matr_asse_temp_c/matr_asse_temp_c/matr_asse_temp_r,
                 ◆/COEF_R = float,
                   /COEF_C = complex,
                   /FONC_R = function/formula,
                   /FONC_C = function_c/formula_c,
              ),
            ◇ VECT_ASSE = _F (
                 ◇ VECTEUR = cham_no,
                 ◆/COEF_C = complex,
                   /COEF_R = float,
                   /FONC_R = function/formula,
                   /FONC_C = function_c/formula_c,
              ),
            SOLVEUR = _F (
                 ◇ METHODE =/"LDLT ",
                             /"MULT_FRONT ",
                             /"MUMPS" (by default),
                 # If: equal_to (" METHODE ", 'MULT_FRONT')
                     ◇ RENUM =/"MD",
                               /"MDA" (by default),
                     ◇ NPREC = int (default: 8),
                     ◇ ELIM_LAGR =/"NON" (by default),
                                   /"OUI ",
                     ◇ STOP_SINGULIER =/"NON ",
                                        /"OUI" (by default),
                 # If: equal_to (" METHODE ", 'LDLT')
                     ◇ RENUM = "RCMK ",
                     ◇ NPREC = int (default: 8),
                     ◇ ELIM_LAGR =/"NON" (by default),
                                   /"OUI ",
                     ◇ STOP_SINGULIER =/"NON ",
                                        /"OUI" (by default),
                 # If: equal_to (" METHODE ", 'MUMPS')
                     ◇ RENUM =/"AMD ",
                               /"AMF ",
                               /"AUTO" (by default),
                               /"METIS ",
                               /"PARMETIS ",
                               /"PORD ",
                               /"PTSCOTCH ",
                               /"QAMD ",
                               /"SCOTCH ",
                     ◇ NPREC = int (default: 8),
                     ◇ ELIM_LAGR =/"LAGR2" (by default),
                                   /"NON ",
                                   /"OUI ",
                     ◇ STOP_SINGULIER =/"NON ",
                                        /"OUI" (by default),
                     ◇ TYPE_RESOL =/"AUTO" (by default),
                                    /"NONSYM ",
                                    /"SYMDEF ",
                                    /"SYMGEN ",
                     ◇ ACCELERATION =/"AUTO ",
                                      /"FR" (by default),
                                      /"FR+",
                                      /"FR++",
                                      /"LR",
                                      /"LR+",
                                      /"LR++",
                     ◇ LOW_RANK_SEUIL = float (default: 0.0),
                     ◇ PRETRAITEMENTS =/"AUTO" (by default),
                                        /"SANS ",
                     ◇ POSTTRAITEMENTS =/"AUTO" (by default),
                                         /"FORCE ",
                                         /"MINI ",
                                         /"SANS ",
                     ◇ PCENT_PIVOT = int (default: 35),
                     ◇ NB_RHS = int (default: 1),
                     ◇ RESI_RELA = float (default: -1.0),
                     ◇ GESTION_MEMOIRE =/"AUTO" (by default),
                                         /"EVAL ",
                                         /"IN_CORE ",
                                         /"OUT_OF_CORE ",
                 # If: equal_to (" METHODE ", 'GCPC')
                     ◇ ELIM_LAGR =/"NON" (by default),
                                   /"OUI ",
                     ◇ PRE_COND =/"LDLT_DP ",
                                  /"LDLT_INC" (by default),
                                  /"LDLT_SP ",
                     ◇ RESI_RELA = float (default: 1e-06),
                     ◇ NMAX_ITER = int (default: 0),
                     # If: equal_to (" PRE_COND ", 'LDLT_INC')
                         ◇ RENUM = "RCMK ",
                         ◇ NIVE_REMPLISSAGE = int (default: 0),
                     # If: is_in (" PRE_COND ", ('LDLT_SP', 'LDLT_DP'))
                         ◇ RENUM =/"METIS ",
                                   /"PARMETIS" (by default),
                                   /"SANS ",
                         ◇ REAC_PRECOND = int (default: 30),
                         ◇ PCENT_PIVOT = int (default: 20),
                         ◇ GESTION_MEMOIRE =/"AUTO" (by default),
                                             /"IN_CORE ",
                         ◇ LOW_RANK_SEUIL = float (default: 0.0),
                 # If: equal_to (" METHODE ", 'PETSC')
                     ◇ ELIM_LAGR =/"NON" (by default),
                                   /"OUI ",
                     ◇ ALGORITHME =/"CG",
                                    /"CR",
                                    /"FGMRES" (by default),
                                    /"GCR ",
                                    /"GMRES ",
                                    /"GMRES_LMP ",
                     ◇ OPTION_PETSC = text (default: ""),
                     ◇ PRE_COND =/"BLOC_LAGR ",
                                  /"BOOMER ",
                                  /"FIELDSPLIT ",
                                  /"GAMG ",
                                  /"HPDDM ",
                                  /"JACOBI ",
                                  /"LDLT_DP ",
                                  /"LDLT_INC ",
                                  /"LDLT_SP" (by default),
                                  /"ML",
                                  /"SANS ",
                                  /"SOR ",
                                  /"UTILISATEUR ",
                     ◇ RESI_RELA = float (default: 1e-06),
                     ◇ NMAX_ITER = int (default: 0),
                     # If: equal_to (" PRE_COND ", 'LDLT_INC')
                         ◇ RENUM = "RCMK ",
                         ◇ NIVE_REMPLISSAGE = int (default: 0),
                         ◇ REMPLISSAGE = float (default: 1.0),
                     # If: is_in (" PRE_COND ", ('LDLT_SP', 'LDLT_DP'))
                         ◇ RENUM =/"METIS ",
                                   /"PARMETIS" (by default),
                                   /"SANS ",
                         ◇ REAC_PRECOND = int (default: 30),
                         ◇ PCENT_PIVOT = int (default: 20),
                         ◇ GESTION_MEMOIRE =/"AUTO" (by default),
                                             /"IN_CORE ",
                         ◇ LOW_RANK_SEUIL = float (default: 0.0),
                     # If: equal_to (" PRE_COND ", 'ML')
                         ◇ RENUM = "SANS ",
                     # If: equal_to (" PRE_COND ", 'BOOMER')
                         ◇ RENUM = "SANS ",
                     # If: equal_to (" PRE_COND ", 'GAMG')
                         ◇ RENUM = "SANS ",
                     # If: equal_to (" PRE_COND ", 'HPDDM')
                         ◇ RENUM = "SANS ",
                     # If: equal_to (" PRE_COND ", 'BLOC_LAGR')
                         ◇ RENUM = "SANS ",
                     # If: is_in (" PRE_COND ", ('FIELDSPLIT'))
                         ◇ RENUM = "SANS ",
                         ◇ PARTITION_CMP = int,
                         ◇ NOM_CMP = text,
                     # If: is_in (" PRE_COND ", ('UTILISATEUR'))
                         ◇ KSP_UTIL = not_checked,
                         ◇ RENUM = "SANS ",
                     # If: is_in (" PRE_COND ", ('JACOBI', '', 'SOR', 'SANS'))
                         ◇ RENUM =/"RCMK ",
                                   /"SANS" (by default),
              ),
            ◆ NB_MODE = int,
            ◇ TOLE_GLOUTON = float (default: 1e-10),
        # If: (equal_to (" OPERATION ", 'TRONCATURE'))
            ◆ MODELE_REDUIT = model,
        # If: (equal_to (" OPERATION ", 'ORTHO'))
            ◇ ALPHA = float (default: 0.717),
        ◇ INFO =/1 (by default),
                 /2,
        ◇ TITRE = text,
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices