constraint_eqn_014 Subroutine

   subroutine constraint_eqn_014(tmp_cc, tmp_con, tmp_err, tmp_symbol, tmp_units)
      !! Equation to fix number of NBI decay lengths to plasma centre
      !! author: P B Lloyd, CCFE, Culham Science Centre
      !! args : output structure : residual error; constraint value;
      !! residual error in physical units; output string; units string
      !! Equation to fix number of NBI decay lengths to plasma centre
      !! This is a consistency equation
      !! #=# current_drive
      !! #=#=# consistency
      !! and hence also optional here.
      !! Logic change during pre-factoring: err, symbol, units will be assigned only if present.
      !! taubeam : input real : neutral beam e-decay lengths to plasma centre
      !! tbeamin : input real : permitted neutral beam e-decay lengths to plasma centre
      use current_drive_variables, only: taubeam, tbeamin
      implicit none
            real(dp), intent(out) :: tmp_cc
      real(dp), intent(out) :: tmp_con
      real(dp), intent(out) :: tmp_err
      character(len=1), intent(out) :: tmp_symbol
      character(len=10), intent(out) :: tmp_units

      tmp_cc = 1.0D0 - taubeam/tbeamin
      tmp_con = tbeamin * (1.0D0 - tmp_cc)
      tmp_err = tbeamin * tmp_cc
      tmp_symbol = '='
      tmp_units = ''

   end subroutine constraint_eqn_014