constraint_eqn_030 Subroutine

   subroutine constraint_eqn_030(tmp_cc, tmp_con, tmp_err, tmp_symbol, tmp_units)
      !! Equation for injection power upper limit
      !! 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 for injection power upper limit
      !! #=# current_drive
      !! #=#=# fpinj, pinjalw
      !! and hence also optional here.
      !! Logic change during pre-factoring: err, symbol, units will be assigned only if present.
      !! pinjmw : input real : total auxiliary injected power (MW)
      !! fpinj : input real : f-value for injection power
      !! pinjalw : input real : Maximum allowable value for injected power (MW)
      use current_drive_variables, only: pinjmw, pinjalw
      use constraint_variables, only: fpinj
      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 - fpinj*pinjalw/pinjmw
      tmp_con = pinjalw
      tmp_err = pinjalw  - pinjmw / fpinj
      tmp_symbol = '<'
      tmp_units = 'MW'

   end subroutine constraint_eqn_030