OPTIONS
  JOIN_MOD     1  {JOIN MODULES TO ONE COMPACT SYSTEM}
  MULTI_RATE   0  {INTEGRATE MODULES SEPARATELY}
  SORT_VAR     0  {0 = NO SORT}
                  {1 = BAND}
                  {2 = UPPPER TRIANGLE}
                  {3 = COMPLETE SCHUR MATRIX}
  INIT_METH    -1
                0 3 4
                  {0  NEWTON ITERATION}
                  {1  HOMOTOPY CIRCULAR CONSTANT ARC LENGTH}
                  {2     "     TANGENT      "     "    "   }
                  {3  LINE SEARCH ALONG NEWTON DIRECTION}
                  {4  DAMPED NEWTON ITERATION}

  KMAX               2
  N_MAX_SHRINK      10
  JAC_INTERV         1
  SCHUR_INTERV       5
  N_MAX_ITER         10
  N_MAX_JAC_IV       20
  N_MAX_H_IV         5
                   

  NEWTON_TOL        0.1
  H_FACT_FAIL       0.5
  H_FACT_OK         0.8
  H_FACT_INTERP_EV  0.05

  TOL_PRE_VS_CONT  10000.0

! Comments on 'Tuning Parameters'
! Primary handling routine within brackets
!
! C          MODIFIES PREDICTION (DRIVERZ)
!
! EPSIT      TOL FOR MAX CHANGE 'DDY',
!              RELATIVE TO TOLERANCE IN xyz.DAT (DRIVERZ),
!
! H_..       TIME STEP RELATED QUANTITIES
!   H_INIT     Step for initial value calculation
!
! HF_..      FACTORS FOR TIME STEP REDUCTION:
!   HF_ERR     LARGE LOCAL ERROR
!   HF_EVENT   EVENT INTERVAL / INITIAL VALUE STEP
!   hf_interp  Safety margin for oscillating event search
!   HF_NORM    SAFETY MARGIN FOR NORMAL STEP / ESTIMATE
!
! I_HOMOTOPY INITIALVALUE METHOD
!            0  NEWTON ITERATION
!            1  HOMOTOPY CIRCULAR CONSTANT ARC LENGTH
!            2     "     TANGENT      "     "    "
!
! JAC_INT    MAX NO OF NORMAL STEPS WITH OLD JACOBIANS
! JOIN_MOD   COMBINE ATOMIC MODULES TO MACRO MODULES
! K          CURRENT ORDER OF MOLCOL METHOD
! KMAX       MAX PERMITTED VALUE FOR 'K'
! MULTI_RATE SEPARATE INTEGRATION OF NODES
! max_interp Max tries with interpolating event search
! MAX_IT     MAX NO OF NEWTON ITERATIONS BEFORE ACTION
! MAX_REP    MAX NO OF TIME STEP REDUCTIONS DUE TO LARGE ERROR
! N_JAC_IV   MAX NO OF INNER CYCLES (NEW JAC) IN INIT VALUE CALC
! N_H_IV     MAX NO OF OUTER CYCLES (SHORTER STEP) DITTO
! SCHUR_INT  MAX NO OF STEPS W OLD SCHUR MATRIX
! SORT_VAR   CTRL SORTING OF MODULES OR VARIABLES
!              0    COMPACT VERSION
!              1..  SORT MODULES, DIFFERENT METHODS
!                1    BLOCK BAND, USE 'NGHPAT/SETIBW'
!                2    BLOCK UPPER TRIANGLE
!                3    FULL SCHUR MATRIX
! THETA      DEFINES LOCATION OF COLLOCATION POINT
! TOL        TOLERANCE FOR LOCAL TRUNCATION ERROR
! W_EXP      Equation weight = 1 / MAX(JAC-el)**W_EXP!
END_OPTIONS