C
C There are a total of 20 entries in the algebraic variable array.
C There are a total of 10 entries in each of the rate and state variable arrays.
C There are a total of 21 entries in the constant variable array.
C
C
C VOI is time in component environment (second).
C STATES(1) is q_OH_i in component environment (fmol).
C STATES(2) is q_OH_o in component environment (fmol).
C STATES(3) is q_Cl_i in component environment (fmol).
C STATES(4) is q_Cl_o in component environment (fmol).
C STATES(5) is q_S1_CHE in component environment (fmol).
C STATES(6) is q_S2_CHE in component environment (fmol).
C STATES(7) is q_S3_CHE in component environment (fmol).
C STATES(8) is q_S4_CHE in component environment (fmol).
C STATES(9) is q_S5_CHE in component environment (fmol).
C STATES(10) is q_S6_CHE in component environment (fmol).
C ALGBRC(15) is v_R61_CHE in component CHE (fmol_per_sec).
C ALGBRC(16) is v_R12_CHE in component CHE (fmol_per_sec).
C ALGBRC(17) is v_R23_CHE in component CHE (fmol_per_sec).
C ALGBRC(18) is v_R34_CHE in component CHE (fmol_per_sec).
C ALGBRC(19) is v_R45_CHE in component CHE (fmol_per_sec).
C ALGBRC(20) is v_R56_CHE in component CHE (fmol_per_sec).
C ALGBRC(4) is pH_i in component environment (dimensionless).
C ALGBRC(5) is pH_o in component environment (dimensionless).
C ALGBRC(1) is cOH_i in component environment (mM).
C ALGBRC(2) is cOH_o in component environment (mM).
C CONSTS(1) is w_i in component environment (pL).
C CONSTS(2) is w_o in component environment (pL).
C CONSTS(3) is kappa_R61_CHE in component CHE_parameters (fmol_per_sec).
C CONSTS(4) is kappa_R12_CHE in component CHE_parameters (fmol_per_sec).
C CONSTS(5) is kappa_R23_CHE in component CHE_parameters (fmol_per_sec).
C CONSTS(6) is kappa_R34_CHE in component CHE_parameters (fmol_per_sec).
C CONSTS(7) is kappa_R45_CHE in component CHE_parameters (fmol_per_sec).
C CONSTS(8) is kappa_R56_CHE in component CHE_parameters (fmol_per_sec).
C CONSTS(9) is K_OH_i in component CHE_parameters (per_fmol).
C CONSTS(10) is K_OH_o in component CHE_parameters (per_fmol).
C CONSTS(11) is K_Cl_i in component CHE_parameters (per_fmol).
C CONSTS(12) is K_Cl_o in component CHE_parameters (per_fmol).
C CONSTS(13) is K_S1_CHE in component CHE_parameters (per_fmol).
C CONSTS(14) is K_S2_CHE in component CHE_parameters (per_fmol).
C CONSTS(15) is K_S3_CHE in component CHE_parameters (per_fmol).
C CONSTS(16) is K_S4_CHE in component CHE_parameters (per_fmol).
C CONSTS(17) is K_S5_CHE in component CHE_parameters (per_fmol).
C CONSTS(18) is K_S6_CHE in component CHE_parameters (per_fmol).
C CONSTS(19) is R in component constants (J_per_K_per_mol).
C CONSTS(20) is T in component constants (kelvin).
C ALGBRC(3) is mu_OH_i in component CHE (J_per_mol).
C ALGBRC(6) is mu_OH_o in component CHE (J_per_mol).
C ALGBRC(7) is mu_Cl_i in component CHE (J_per_mol).
C ALGBRC(8) is mu_Cl_o in component CHE (J_per_mol).
C ALGBRC(9) is mu_S1_CHE in component CHE (J_per_mol).
C ALGBRC(10) is mu_S2_CHE in component CHE (J_per_mol).
C ALGBRC(11) is mu_S3_CHE in component CHE (J_per_mol).
C ALGBRC(12) is mu_S4_CHE in component CHE (J_per_mol).
C ALGBRC(13) is mu_S5_CHE in component CHE (J_per_mol).
C ALGBRC(14) is mu_S6_CHE in component CHE (J_per_mol).
C CONSTS(21) is F in component constants (C_per_mol).
C RATES(1) is d/dt q_OH_i in component environment (fmol).
C RATES(2) is d/dt q_OH_o in component environment (fmol).
C RATES(3) is d/dt q_Cl_i in component environment (fmol).
C RATES(4) is d/dt q_Cl_o in component environment (fmol).
C RATES(5) is d/dt q_S1_CHE in component environment (fmol).
C RATES(6) is d/dt q_S2_CHE in component environment (fmol).
C RATES(7) is d/dt q_S3_CHE in component environment (fmol).
C RATES(8) is d/dt q_S4_CHE in component environment (fmol).
C RATES(9) is d/dt q_S5_CHE in component environment (fmol).
C RATES(10) is d/dt q_S6_CHE in component environment (fmol).
C
      SUBROUTINE initConsts(CONSTS, RATES, STATES)
      REAL CONSTS(*), RATES(*), STATES(*)
      STATES(1) = 5.36764E-06
      STATES(2) = 1.30166E-06
      STATES(3) = 824.6
      STATES(4) = 725.48
      STATES(5) = 1.666e-7
      STATES(6) = 1.666e-7
      STATES(7) = 1.666e-7
      STATES(8) = 1.666e-7
      STATES(9) = 1.666e-7
      STATES(10) = 1.666e-7
      CONSTS(1) = 38
      CONSTS(2) = 5.182
      CONSTS(3) = 8.77838
      CONSTS(4) = 0.031295
      CONSTS(5) = 50940.7
      CONSTS(6) = 0.000192726
      CONSTS(7) = 2.96501e+06
      CONSTS(8) = 1.82153e+06
      CONSTS(9) = 0.0253475
      CONSTS(10) = 7203.46
      CONSTS(11) = 0.015572
      CONSTS(12) = 0.00442538
      CONSTS(13) = 28.479
      CONSTS(14) = 856.026
      CONSTS(15) = 353352
      CONSTS(16) = 6070.81
      CONSTS(17) = 0.569962
      CONSTS(18) = 0.4887
      CONSTS(19) = 8.31
      CONSTS(20) = 310
      CONSTS(21) = 96485
      RETURN
      END
      SUBROUTINE computeRates(VOI, CONSTS,  RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      ALGBRC(6) =  CONSTS(19)*CONSTS(20)*log( CONSTS(10)*STATES(2))
      ALGBRC(9) =  CONSTS(19)*CONSTS(20)*log( CONSTS(13)*STATES(5))
      ALGBRC(10) =  CONSTS(19)*CONSTS(20)*log( CONSTS(14)*STATES(6))
      ALGBRC(16) =  CONSTS(4)*(EXP(ALGBRC(9)/( CONSTS(19)*CONSTS(20))) - EXP((ALGBRC(10)+ALGBRC(6))/( CONSTS(19)*CONSTS(20))))
      RATES(2) = ALGBRC(16)
      ALGBRC(14) =  CONSTS(19)*CONSTS(20)*log( CONSTS(18)*STATES(10))
      ALGBRC(15) =  CONSTS(3)*(EXP(ALGBRC(14)/( CONSTS(19)*CONSTS(20))) - EXP(ALGBRC(9)/( CONSTS(19)*CONSTS(20))))
      RATES(5) = ALGBRC(15) - ALGBRC(16)
      ALGBRC(8) =  CONSTS(19)*CONSTS(20)*log( CONSTS(12)*STATES(4))
      ALGBRC(11) =  CONSTS(19)*CONSTS(20)*log( CONSTS(15)*STATES(7))
      ALGBRC(17) =  CONSTS(5)*(EXP((ALGBRC(10)+ALGBRC(8))/( CONSTS(19)*CONSTS(20))) - EXP(ALGBRC(11)/( CONSTS(19)*CONSTS(20))))
      RATES(4) = - ALGBRC(17)
      RATES(6) = ALGBRC(16) - ALGBRC(17)
      ALGBRC(12) =  CONSTS(19)*CONSTS(20)*log( CONSTS(16)*STATES(8))
      ALGBRC(18) =  CONSTS(6)*(EXP(ALGBRC(11)/( CONSTS(19)*CONSTS(20))) - EXP(ALGBRC(12)/( CONSTS(19)*CONSTS(20))))
      RATES(7) = ALGBRC(17) - ALGBRC(18)
      ALGBRC(7) =  CONSTS(19)*CONSTS(20)*log( CONSTS(11)*STATES(3))
      ALGBRC(13) =  CONSTS(19)*CONSTS(20)*log( CONSTS(17)*STATES(9))
      ALGBRC(19) =  CONSTS(7)*(EXP(ALGBRC(12)/( CONSTS(19)*CONSTS(20))) - EXP((ALGBRC(13)+ALGBRC(7))/( CONSTS(19)*CONSTS(20))))
      RATES(3) = ALGBRC(19)
      RATES(8) = ALGBRC(18) - ALGBRC(19)
      ALGBRC(3) =  CONSTS(19)*CONSTS(20)*log( CONSTS(9)*STATES(1))
      ALGBRC(20) =  CONSTS(8)*(EXP((ALGBRC(13)+ALGBRC(3))/( CONSTS(19)*CONSTS(20))) - EXP(ALGBRC(14)/( CONSTS(19)*CONSTS(20))))
      RATES(1) = - ALGBRC(20)
      RATES(9) = ALGBRC(19) - ALGBRC(20)
      RATES(10) = ALGBRC(20) - ALGBRC(15)
      RETURN
      END
      SUBROUTINE computeVariables(VOI, CONSTS, RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      ALGBRC(6) =  CONSTS(19)*CONSTS(20)*log( CONSTS(10)*STATES(2))
      ALGBRC(9) =  CONSTS(19)*CONSTS(20)*log( CONSTS(13)*STATES(5))
      ALGBRC(10) =  CONSTS(19)*CONSTS(20)*log( CONSTS(14)*STATES(6))
      ALGBRC(16) =  CONSTS(4)*(EXP(ALGBRC(9)/( CONSTS(19)*CONSTS(20))) - EXP((ALGBRC(10)+ALGBRC(6))/( CONSTS(19)*CONSTS(20))))
      ALGBRC(14) =  CONSTS(19)*CONSTS(20)*log( CONSTS(18)*STATES(10))
      ALGBRC(15) =  CONSTS(3)*(EXP(ALGBRC(14)/( CONSTS(19)*CONSTS(20))) - EXP(ALGBRC(9)/( CONSTS(19)*CONSTS(20))))
      ALGBRC(8) =  CONSTS(19)*CONSTS(20)*log( CONSTS(12)*STATES(4))
      ALGBRC(11) =  CONSTS(19)*CONSTS(20)*log( CONSTS(15)*STATES(7))
      ALGBRC(17) =  CONSTS(5)*(EXP((ALGBRC(10)+ALGBRC(8))/( CONSTS(19)*CONSTS(20))) - EXP(ALGBRC(11)/( CONSTS(19)*CONSTS(20))))
      ALGBRC(12) =  CONSTS(19)*CONSTS(20)*log( CONSTS(16)*STATES(8))
      ALGBRC(18) =  CONSTS(6)*(EXP(ALGBRC(11)/( CONSTS(19)*CONSTS(20))) - EXP(ALGBRC(12)/( CONSTS(19)*CONSTS(20))))
      ALGBRC(7) =  CONSTS(19)*CONSTS(20)*log( CONSTS(11)*STATES(3))
      ALGBRC(13) =  CONSTS(19)*CONSTS(20)*log( CONSTS(17)*STATES(9))
      ALGBRC(19) =  CONSTS(7)*(EXP(ALGBRC(12)/( CONSTS(19)*CONSTS(20))) - EXP((ALGBRC(13)+ALGBRC(7))/( CONSTS(19)*CONSTS(20))))
      ALGBRC(3) =  CONSTS(19)*CONSTS(20)*log( CONSTS(9)*STATES(1))
      ALGBRC(20) =  CONSTS(8)*(EXP((ALGBRC(13)+ALGBRC(3))/( CONSTS(19)*CONSTS(20))) - EXP(ALGBRC(14)/( CONSTS(19)*CONSTS(20))))
      ALGBRC(1) = STATES(1)/CONSTS(1)
      ALGBRC(2) = STATES(2)/CONSTS(2)
      ALGBRC(4) = 14.0000+arbitrary_log(ALGBRC(1), 10)
      ALGBRC(5) = 14.0000+arbitrary_log(ALGBRC(2), 10)
      RETURN
      END