CLASS = "DASSL"

OPTION
  NAME = "absolute tolerance"
  TYPE = "Array<double>"
  SET_ARG_TYPE = "const $TYPE&"
  INIT_BODY
    $OPTVAR.resize (1);
    $OPTVAR(0) = ::sqrt (DBL_EPSILON);
  END_INIT_BODY
  SET_CODE
    void set_$OPT (double val)
      {
        $OPTVAR.resize (1);
        $OPTVAR(0) = (val > 0.0) ? val : ::sqrt (DBL_EPSILON);
      }

    void set_$OPT (const $TYPE& val)
      { $OPTVAR = val; }
  END_SET_CODE
END_OPTION

OPTION
  NAME = "relative tolerance"
  TYPE = "Array<double>"
  SET_ARG_TYPE = "const $TYPE&"
  INIT_BODY
    $OPTVAR.resize (1);
    $OPTVAR(0) = ::sqrt (DBL_EPSILON);
  END_INIT_BODY
  SET_CODE
    void set_$OPT (double val)
      {
        $OPTVAR.resize (1);
        $OPTVAR(0) = (val > 0.0) ? val : ::sqrt (DBL_EPSILON);
      }

    void set_$OPT (const $TYPE& val)
      { $OPTVAR = val; }
  END_SET_CODE
END_OPTION

OPTION
  NAME = "initial step size"
  TYPE = "double"
  INIT_VALUE = "-1.0"
  SET_EXPR = "(val >= 0.0) ? val : -1.0"
END_OPTION

OPTION
  NAME = "maximum step size"
  TYPE = "double"
  INIT_VALUE = "-1.0"
  SET_EXPR = "(val >= 0.0) ? val : -1.0"
END_OPTION

OPTION
  NAME = "minimum step size"
  TYPE = "double"
  INIT_VALUE = "0.0"
  SET_EXPR = "(val >= 0.0) ? val : 0.0"
END_OPTION