C
C There are a total of 21 entries in the algebraic variable array.
C There are a total of 3 entries in each of the rate and state variable arrays.
C There are a total of 19 entries in the constant variable array.
C
C
C VOI is t in component environment (second).
C CONSTS(1) is C_m in component environment (fF).
C CONSTS(2) is q_K_o in component environment (fmol).
C CONSTS(3) is q_K_i in component environment (fmol).
C STATES(1) is q_S_Ks0 in component environment (fmol).
C STATES(2) is q_S_Ks1 in component environment (fmol).
C STATES(3) is q_S_Ks2 in component environment (fmol).
C ALGBRC(2) is q_mem in component environment (fC).
C ALGBRC(1) is Vmem in component environment (volt).
C CONSTS(4) is R in component environment (J_per_K_per_mol).
C CONSTS(5) is T in component environment (kelvin).
C CONSTS(6) is F in component environment (C_per_mol).
C ALGBRC(15) is v_Ks in component Ks (fmol_per_sec).
C ALGBRC(19) is I_mem_Ks in component Ks (fA).
C ALGBRC(16) is i_Ks in component environment (uA_per_uF).
C CONSTS(7) is kappa_Ks in component Ks_parameters (fmol_per_sec).
C CONSTS(8) is kappa_xs1 in component Ks_parameters (fmol_per_sec).
C CONSTS(9) is kappa_xs2 in component Ks_parameters (fmol_per_sec).
C CONSTS(10) is K_K_i in component Ks_parameters (per_fmol).
C CONSTS(11) is K_K_o in component Ks_parameters (per_fmol).
C CONSTS(12) is K_S_Ks0 in component Ks_parameters (per_fmol).
C CONSTS(13) is K_S_Ks1 in component Ks_parameters (per_fmol).
C CONSTS(14) is K_S_Ks2 in component Ks_parameters (per_fmol).
C CONSTS(15) is zK in component Ks_parameters (dimensionless).
C CONSTS(16) is z_xs_f in component Ks_parameters (dimensionless).
C CONSTS(17) is z_xs_r in component Ks_parameters (dimensionless).
C CONSTS(18) is u_K_i in component Ks (J_per_mol).
C CONSTS(19) is u_K_o in component Ks (J_per_mol).
C ALGBRC(3) is V_mem in component Ks (J_per_C).
C ALGBRC(4) is Am_Ks in component Ks (J_per_mol).
C ALGBRC(13) is Af_Ks in component Ks (J_per_mol).
C ALGBRC(14) is Ar_Ks in component Ks (J_per_mol).
C ALGBRC(11) is v_S_Ks0 in component Ks (fmol_per_sec).
C ALGBRC(20) is v_S_Ks1 in component Ks (fmol_per_sec).
C ALGBRC(21) is v_S_Ks2 in component Ks (fmol_per_sec).
C ALGBRC(10) is v_xs1 in component Ks (fmol_per_sec).
C ALGBRC(18) is v_xs2 in component Ks (fmol_per_sec).
C ALGBRC(5) is mu_S_Ks0 in component Ks (J_per_mol).
C ALGBRC(7) is mu_S_Ks1 in component Ks (J_per_mol).
C ALGBRC(12) is mu_S_Ks2 in component Ks (J_per_mol).
C ALGBRC(6) is Af_xs1 in component Ks (J_per_mol).
C ALGBRC(8) is Ar_xs1 in component Ks (J_per_mol).
C ALGBRC(9) is Af_xs2 in component Ks (J_per_mol).
C ALGBRC(17) is Ar_xs2 in component Ks (J_per_mol).
C RATES(1) is d/dt q_S_Ks0 in component environment (fmol).
C RATES(2) is d/dt q_S_Ks1 in component environment (fmol).
C RATES(3) is d/dt q_S_Ks2 in component environment (fmol).
C
      SUBROUTINE initConsts(CONSTS, RATES, STATES)
      REAL CONSTS(*), RATES(*), STATES(*)
      CONSTS(1) = 60000
      CONSTS(2) = 20.0448
      CONSTS(3) = 388.832
      STATES(1) = 9.742056902468725e-06
      STATES(2) = 9.742056902468725e-06
      STATES(3) = 9.742056902468725e-06
      CONSTS(4) = 8.31
      CONSTS(5) = 310
      CONSTS(6) = 96500
      CONSTS(7) = 27.8683
      CONSTS(8) = 0.00829152
      CONSTS(9) = 0.0295644
      CONSTS(10) = 1.42292
      CONSTS(11) = 10.4348
      CONSTS(12) = 0.281155
      CONSTS(13) = 0.0394258
      CONSTS(14) = 0.0221145
      CONSTS(15) = 1
      CONSTS(16) = 0.000400323747581994
      CONSTS(17) = -1.41544821457997
      CONSTS(18) =  CONSTS(4)*CONSTS(5)*log( CONSTS(10)*CONSTS(3))
      CONSTS(19) =  CONSTS(4)*CONSTS(5)*log( CONSTS(11)*CONSTS(2))
      RETURN
      END
      SUBROUTINE computeRates(VOI, CONSTS,  RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      ALGBRC(1) = TERNRY(VOI.GE.0.00000.AND.VOI.LT.4.00000, - 0.0900000, TERNRY(VOI.GT.10.1000.AND.VOI.LT.13.1000, - 0.0600000, TERNRY(VOI.GT.14.1000.AND.VOI.LT.15.1000, - 0.0400000, TERNRY(VOI.GT.17.0000, 0.0900000, - 0.0800000)
      ALGBRC(2) =  ALGBRC(1)*CONSTS(1)
      ALGBRC(3) = ALGBRC(2)/CONSTS(1)
      ALGBRC(5) =  CONSTS(4)*CONSTS(5)*log( CONSTS(12)*STATES(1))
      ALGBRC(6) = ALGBRC(5)+ CONSTS(16)*CONSTS(6)*ALGBRC(3)
      ALGBRC(7) =  CONSTS(4)*CONSTS(5)*log( CONSTS(13)*STATES(2))
      ALGBRC(8) = ALGBRC(7)+ CONSTS(17)*CONSTS(6)*ALGBRC(3)
      ALGBRC(10) =  CONSTS(8)*(EXP(ALGBRC(6)/( CONSTS(4)*CONSTS(5))) - EXP(ALGBRC(8)/( CONSTS(4)*CONSTS(5))))
      ALGBRC(11) = - ALGBRC(10)
      RATES(1) = ALGBRC(11)
      ALGBRC(9) = ALGBRC(7)+ CONSTS(16)*CONSTS(6)*ALGBRC(3)
      ALGBRC(12) =  CONSTS(4)*CONSTS(5)*log( CONSTS(14)*STATES(3))
      ALGBRC(17) = ALGBRC(12)+ CONSTS(17)*CONSTS(6)*ALGBRC(3)
      ALGBRC(18) =  CONSTS(9)*(EXP(ALGBRC(9)/( CONSTS(4)*CONSTS(5))) - EXP(ALGBRC(17)/( CONSTS(4)*CONSTS(5))))
      ALGBRC(20) = ALGBRC(10) - ALGBRC(18)
      RATES(2) = ALGBRC(20)
      ALGBRC(21) = ALGBRC(18)
      RATES(3) = ALGBRC(21)
      RETURN
      END
      SUBROUTINE computeVariables(VOI, CONSTS, RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      ALGBRC(1) = TERNRY(VOI.GE.0.00000.AND.VOI.LT.4.00000, - 0.0900000, TERNRY(VOI.GT.10.1000.AND.VOI.LT.13.1000, - 0.0600000, TERNRY(VOI.GT.14.1000.AND.VOI.LT.15.1000, - 0.0400000, TERNRY(VOI.GT.17.0000, 0.0900000, - 0.0800000)
      ALGBRC(2) =  ALGBRC(1)*CONSTS(1)
      ALGBRC(3) = ALGBRC(2)/CONSTS(1)
      ALGBRC(5) =  CONSTS(4)*CONSTS(5)*log( CONSTS(12)*STATES(1))
      ALGBRC(6) = ALGBRC(5)+ CONSTS(16)*CONSTS(6)*ALGBRC(3)
      ALGBRC(7) =  CONSTS(4)*CONSTS(5)*log( CONSTS(13)*STATES(2))
      ALGBRC(8) = ALGBRC(7)+ CONSTS(17)*CONSTS(6)*ALGBRC(3)
      ALGBRC(10) =  CONSTS(8)*(EXP(ALGBRC(6)/( CONSTS(4)*CONSTS(5))) - EXP(ALGBRC(8)/( CONSTS(4)*CONSTS(5))))
      ALGBRC(11) = - ALGBRC(10)
      ALGBRC(9) = ALGBRC(7)+ CONSTS(16)*CONSTS(6)*ALGBRC(3)
      ALGBRC(12) =  CONSTS(4)*CONSTS(5)*log( CONSTS(14)*STATES(3))
      ALGBRC(17) = ALGBRC(12)+ CONSTS(17)*CONSTS(6)*ALGBRC(3)
      ALGBRC(18) =  CONSTS(9)*(EXP(ALGBRC(9)/( CONSTS(4)*CONSTS(5))) - EXP(ALGBRC(17)/( CONSTS(4)*CONSTS(5))))
      ALGBRC(20) = ALGBRC(10) - ALGBRC(18)
      ALGBRC(21) = ALGBRC(18)
      ALGBRC(4) =  CONSTS(15)*CONSTS(6)*ALGBRC(3)
      ALGBRC(13) = ALGBRC(12)+CONSTS(18)+ALGBRC(4)
      ALGBRC(14) = ALGBRC(12)+CONSTS(19)
      ALGBRC(15) = TERNRY(ALGBRC(4).EQ.0.00000,  1.00000*CONSTS(7)*(EXP(ALGBRC(13)/( CONSTS(4)*CONSTS(5))) - EXP(ALGBRC(14)/( CONSTS(4)*CONSTS(5)))),  ((( 1.00000*CONSTS(7)*ALGBRC(4))/( CONSTS(4)*CONSTS(5)))/(EXP(ALGBRC(4)/( CONSTS(4)*CONSTS(5))) - 1.00000))*(EXP(ALGBRC(13)/( CONSTS(4)*CONSTS(5))) - EXP(ALGBRC(14)/( CONSTS(4)*CONSTS(5)))))
      ALGBRC(16) =  (( 1.00000e-09*CONSTS(6))/CONSTS(1))*ALGBRC(15)
      ALGBRC(19) =  CONSTS(6)*( - CONSTS(15)*ALGBRC(15)+ (ALGBRC(10)+ALGBRC(18))*(CONSTS(17) - CONSTS(16)))
      RETURN
      END
      REAL FUNCTION TERNRY(TEST, VALA, VALB)
      LOGICAL TEST
      REAL VALA, VALB
      IF (TEST) THEN
        TERNRY = VALA
      ELSE
        TERNRY = VALB
      ENDIF
      RETURN
      END