constraint_eqn_025 Subroutine

   subroutine constraint_eqn_025(tmp_cc, tmp_con, tmp_err, tmp_symbol, tmp_units)
      !! Equation for peak toroidal field 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 peak toroidal field upper limit
      !! #=# tfcoil
      !! #=#=# fpeakb, bmxlim
      !! and hence also optional here.
      !! Logic change during pre-factoring: err, symbol, units will be assigned only if present.
      !! fpeakb : input real : f-value for maximum toroidal field
      !! bmxlim : input real : maximum peak toroidal field (T)
      !! bmaxtf : input real : mean peak field at TF coil (T)
      use constraint_variables, only: fpeakb, bmxlim
      use tfcoil_variables, only: bmaxtf
      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 - fpeakb * bmxlim/bmaxtf
      tmp_con = bmxlim * (1.0D0 - tmp_cc)
      tmp_err = bmaxtf * tmp_cc
      tmp_symbol = '<'
      tmp_units = 'T'

   end subroutine constraint_eqn_025