Removed unnecessary fns from ControlPoint

    SetRejected(false);

  }

  //! Returns the apriori covar value associated at the given position.

  double ControlPoint::GetAprioriCovar(int position) const {

    SurfacePoint apriori = GetAprioriSurfacePoint();

    symmetric_matrix< double, upper > covar = apriori.GetRectangularMatrix();

    switch (position) {

      case 0:

        return covar(0, 0);

        break;

      case 1:

        return covar(0, 1);

        break;

      case 2:

        return covar(0, 2);

        break;

      case 3:

        return covar(1, 1);

        break;

      case 4:

        return covar(1, 2);

        break;

      case 5:

        return covar(2, 2);

        break;

      default:

        QString msg = "Invalid position given";

        throw IException(IException::Io, msg, _FILEINFO_);

    }

  }

  //! Returns true if there are apriori surface point covar values.

  bool ControlPoint::HasAprioriCovar() const {

    SurfacePoint apriori = GetAprioriSurfacePoint();

    symmetric_matrix< double, upper > covar = apriori.GetRectangularMatrix();

    // If there are values in any of the covar matrices.

    if (covar(0, 0) != 0. || covar(0, 1) != 0. ||

        covar(0, 2) != 0. || covar(1, 1) != 0. ||

        covar(1, 2) != 0. || covar(2, 2) != 0.) {

        return true;

    }

    return false;

  }

  //! Returns true if there are adjusted surface point covar values.

  bool ControlPoint::HasAdjustedCovar() const {

    SurfacePoint adjusted = GetAdjustedSurfacePoint();

    symmetric_matrix< double, upper > covar = adjusted.GetRectangularMatrix();

    // If there are values in any of the covar matrices.

    if (covar(0, 0) != 0. || covar(0, 1) != 0. ||

        covar(0, 2) != 0. || covar(1, 1) != 0. ||

        covar(1, 2) != 0. || covar(2, 2) != 0.) {

        return true;

    }

    return false;

  }

  //! Returns the adjusted covar value associated at the given position.

  double ControlPoint::GetAdjustedCovar(int position) const {

    SurfacePoint adjusted = GetAdjustedSurfacePoint();

    symmetric_matrix< double, upper > covar = adjusted.GetRectangularMatrix();

    switch (position) {

      case 0:

        return covar(0, 0);

        break;

      case 1:

        return covar(0, 1);

        break;

      case 2:

        return covar(0, 2);

        break;

      case 3:

        return covar(1, 1);

        break;

      case 4:

        return covar(1, 2);

        break;

      case 5:

        return covar(2, 2);

        break;

      default:

        QString msg = "Invalid position given";

        throw IException(IException::Io, msg, _FILEINFO_);

    }

  }

}