constraint_eqn_073 Subroutine

   subroutine constraint_eqn_073(tmp_cc, tmp_con, tmp_err, tmp_symbol, tmp_units)
      !! Ensure separatrix power is greater than the L-H power + auxiliary power
      !! author: P B Lloyd, CCFE, Culham Science Centre
      !! args : output structure : residual error; constraint value;
      !! residual error in physical units; output string; units string
      !! Ensure separatrix power is greater than the L-H power + auxiliary power
      !! #=# physics
      !! #=#=# fplhsep, pdivt
      !! and hence also optional here.
      !! Logic change during pre-factoring: err, symbol, units will be assigned only if present.
      !! fplhsep : input real : F-value for Psep >= Plh + Paux : for consistency of two values of separatrix power
      !! plhthresh : input real : L-H mode power threshold (MW)
      !! pdivt : input real : power to be conducted to the divertor region (MW)
      !! pinjmw : inout real : total auxiliary injected power (MW)
      use physics_variables, only: fplhsep, plhthresh, pdivt
      use current_drive_variables, only: pinjmw
      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 - fplhsep * pdivt / (plhthresh+pinjmw)
      tmp_con = pdivt
      tmp_err = pdivt * tmp_cc
      tmp_symbol = '>'
      tmp_units = 'MW'

   end subroutine constraint_eqn_073