C
C There are a total of 15 entries in the algebraic variable array.
C There are a total of 5 entries in each of the rate and state variable arrays.
C There are a total of 13 entries in the constant variable array.
C
C
C VOI is t in component environment (second).
C CONSTS(1) is R in component environment (J_per_K_per_mol).
C CONSTS(2) is T in component environment (kelvin).
C CONSTS(3) is F in component environment (C_per_mol).
C CONSTS(4) is C_m in component environment (fF).
C STATES(1) is q_K_o in component environment (fmol).
C STATES(2) is q_K_i in component environment (fmol).
C STATES(3) is q_C_Kp in component environment (fmol).
C STATES(4) is q_O_Kp in component environment (fmol).
C ALGBRC(12) is v_Kp in component Kp (fmol_per_sec).
C STATES(5) is q_mem in component environment (fC).
C ALGBRC(14) is I_mem_Kp in component Kp (fA).
C CONSTS(5) is K_C_Kp in component Kp_parameters (per_fmol).
C CONSTS(6) is K_K_o in component Kp_parameters (per_fmol).
C CONSTS(7) is K_K_i in component Kp_parameters (per_fmol).
C CONSTS(8) is K_O_Kp in component Kp_parameters (per_fmol).
C CONSTS(9) is kappa_Kp in component Kp_parameters (fmol_per_sec).
C CONSTS(10) is kappa_gKp in component Kp_parameters (fmol_per_sec).
C CONSTS(11) is zK in component Kp_parameters (dimensionless).
C CONSTS(12) is z_f_Kp in component Kp_parameters (dimensionless).
C CONSTS(13) is z_r_Kp in component Kp_parameters (dimensionless).
C ALGBRC(3) is mu_K_o in component Kp (J_per_mol).
C ALGBRC(4) is mu_K_i in component Kp (J_per_mol).
C ALGBRC(2) is mu_C_Kp in component Kp (J_per_mol).
C ALGBRC(5) is mu_O_Kp in component Kp (J_per_mol).
C ALGBRC(8) is Am_Kp in component Kp (J_per_mol).
C ALGBRC(6) is Af_Kp in component Kp (J_per_mol).
C ALGBRC(9) is Ar_Kp in component Kp (J_per_mol).
C ALGBRC(7) is Af_gKp in component Kp (J_per_mol).
C ALGBRC(10) is Ar_gKp in component Kp (J_per_mol).
C ALGBRC(11) is v_gKp in component Kp (fmol_per_sec).
C ALGBRC(13) is v_C_Kp in component Kp (fmol_per_sec).
C ALGBRC(15) is v_O_Kp in component Kp (fmol_per_sec).
C ALGBRC(1) is V_mem in component Kp (volt).
C RATES(1) is d/dt q_K_o in component environment (fmol).
C RATES(2) is d/dt q_K_i in component environment (fmol).
C RATES(5) is d/dt q_mem in component environment (fC).
C RATES(3) is d/dt q_C_Kp in component environment (fmol).
C RATES(4) is d/dt q_O_Kp in component environment (fmol).
C
      SUBROUTINE initConsts(CONSTS, RATES, STATES)
      REAL CONSTS(*), RATES(*), STATES(*)
      CONSTS(1) = 8.314
      CONSTS(2) = 310
      CONSTS(3) = 96485
      CONSTS(4) = 153400
      STATES(1) = 27.9828
      STATES(2) = 5510
      STATES(3) = 1.3813E-07
      STATES(4) = 3.45317E-08
      STATES(5) = -13039
      CONSTS(5) = 41.6265
      CONSTS(6) = 0.059344
      CONSTS(7) = 0.0080926
      CONSTS(8) = 145.607
      CONSTS(9) = 252.3419
      CONSTS(10) = 24.0195
      CONSTS(11) = 1
      CONSTS(12) = 0
      CONSTS(13) = -4.4669
      RETURN
      END
      SUBROUTINE computeRates(VOI, CONSTS,  RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      ALGBRC(1) = STATES(5)/CONSTS(4)
      ALGBRC(8) =  CONSTS(11)*CONSTS(3)*ALGBRC(1)
      ALGBRC(4) =  CONSTS(1)*CONSTS(2)*log( CONSTS(7)*STATES(2))
      ALGBRC(5) =  CONSTS(1)*CONSTS(2)*log( CONSTS(8)*STATES(4))
      ALGBRC(6) = ALGBRC(4)+ CONSTS(11)*CONSTS(3)*ALGBRC(1)+ALGBRC(5)
      ALGBRC(3) =  CONSTS(1)*CONSTS(2)*log( CONSTS(6)*STATES(1))
      ALGBRC(9) = ALGBRC(3)+ALGBRC(5)
      ALGBRC(12) = TERNRY(ALGBRC(8).EQ.0.00000,  CONSTS(9)*(EXP(ALGBRC(6)/( CONSTS(1)*CONSTS(2))) - EXP(ALGBRC(9)/( CONSTS(1)*CONSTS(2)))),  ((( CONSTS(9)*ALGBRC(8))/( CONSTS(1)*CONSTS(2)))/(EXP(ALGBRC(8)/( CONSTS(1)*CONSTS(2))) - 1.00000))*(EXP(ALGBRC(6)/( CONSTS(1)*CONSTS(2))) - EXP(ALGBRC(9)/( CONSTS(1)*CONSTS(2)))))
      RATES(1) = ALGBRC(12)
      RATES(2) = - ALGBRC(12)
      ALGBRC(7) =  CONSTS(1)*CONSTS(2)*log( CONSTS(5)*STATES(3))+ CONSTS(12)*CONSTS(3)*ALGBRC(1)
      ALGBRC(10) =  CONSTS(1)*CONSTS(2)*log( CONSTS(8)*STATES(4))+ CONSTS(13)*CONSTS(3)*ALGBRC(1)
      ALGBRC(11) =  CONSTS(10)*(EXP(ALGBRC(7)/( CONSTS(1)*CONSTS(2))) - EXP(ALGBRC(10)/( CONSTS(1)*CONSTS(2))))
      ALGBRC(13) = - ALGBRC(11)
      RATES(3) = ALGBRC(13)
      ALGBRC(14) =  CONSTS(3)*(( - CONSTS(11)*ALGBRC(12)+ CONSTS(13)*ALGBRC(11)) -  CONSTS(12)*ALGBRC(11))
      RATES(5) = ALGBRC(14)
      ALGBRC(15) = ALGBRC(11) - (ALGBRC(12) - ALGBRC(12))
      RATES(4) = ALGBRC(15)
      RETURN
      END
      SUBROUTINE computeVariables(VOI, CONSTS, RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      ALGBRC(1) = STATES(5)/CONSTS(4)
      ALGBRC(8) =  CONSTS(11)*CONSTS(3)*ALGBRC(1)
      ALGBRC(4) =  CONSTS(1)*CONSTS(2)*log( CONSTS(7)*STATES(2))
      ALGBRC(5) =  CONSTS(1)*CONSTS(2)*log( CONSTS(8)*STATES(4))
      ALGBRC(6) = ALGBRC(4)+ CONSTS(11)*CONSTS(3)*ALGBRC(1)+ALGBRC(5)
      ALGBRC(3) =  CONSTS(1)*CONSTS(2)*log( CONSTS(6)*STATES(1))
      ALGBRC(9) = ALGBRC(3)+ALGBRC(5)
      ALGBRC(12) = TERNRY(ALGBRC(8).EQ.0.00000,  CONSTS(9)*(EXP(ALGBRC(6)/( CONSTS(1)*CONSTS(2))) - EXP(ALGBRC(9)/( CONSTS(1)*CONSTS(2)))),  ((( CONSTS(9)*ALGBRC(8))/( CONSTS(1)*CONSTS(2)))/(EXP(ALGBRC(8)/( CONSTS(1)*CONSTS(2))) - 1.00000))*(EXP(ALGBRC(6)/( CONSTS(1)*CONSTS(2))) - EXP(ALGBRC(9)/( CONSTS(1)*CONSTS(2)))))
      ALGBRC(7) =  CONSTS(1)*CONSTS(2)*log( CONSTS(5)*STATES(3))+ CONSTS(12)*CONSTS(3)*ALGBRC(1)
      ALGBRC(10) =  CONSTS(1)*CONSTS(2)*log( CONSTS(8)*STATES(4))+ CONSTS(13)*CONSTS(3)*ALGBRC(1)
      ALGBRC(11) =  CONSTS(10)*(EXP(ALGBRC(7)/( CONSTS(1)*CONSTS(2))) - EXP(ALGBRC(10)/( CONSTS(1)*CONSTS(2))))
      ALGBRC(13) = - ALGBRC(11)
      ALGBRC(14) =  CONSTS(3)*(( - CONSTS(11)*ALGBRC(12)+ CONSTS(13)*ALGBRC(11)) -  CONSTS(12)*ALGBRC(11))
      ALGBRC(15) = ALGBRC(11) - (ALGBRC(12) - ALGBRC(12))
      ALGBRC(2) =  CONSTS(1)*CONSTS(2)*log( CONSTS(5)*STATES(3))
      RETURN
      END
      REAL FUNCTION TERNRY(TEST, VALA, VALB)
      LOGICAL TEST
      REAL VALA, VALB
      IF (TEST) THEN
        TERNRY = VALA
      ELSE
        TERNRY = VALB
      ENDIF
      RETURN
      END