C
C There are a total of 21 entries in the algebraic variable array.
C There are a total of 11 entries in each of the rate and state variable arrays.
C There are a total of 22 entries in the constant variable array.
C
C
C VOI is time in component environment (ms).
C CONSTS(1) is R_gas_const in component parameters (millijoule_per_mole_kelvin).
C CONSTS(2) is Temp in component parameters (kelvin).
C CONSTS(3) is F in component parameters (coulomb_per_mole).
C STATES(1) is V in component membrane (mV).
C CONSTS(4) is Cm in component membrane (uF_per_cm2).
C ALGBRC(1) is i_app in component stimulus_protocol (uA_per_cm2).
C ALGBRC(13) is i_Na in component sodium_current (uA_per_cm2).
C ALGBRC(15) is i_K in component potassium_current (uA_per_cm2).
C ALGBRC(17) is i_leak in component leak_current (uA_per_cm2).
C CONSTS(5) is IstimStart in component stimulus_protocol (ms).
C CONSTS(6) is IstimEnd in component stimulus_protocol (ms).
C CONSTS(7) is IstimAmplitude in component stimulus_protocol (uA_per_cm2).
C CONSTS(8) is IstimPeriod in component stimulus_protocol (ms).
C CONSTS(9) is IstimPulseDuration in component stimulus_protocol (ms).
C ALGBRC(11) is x_infinity in component sodium_current (dimensionless).
C ALGBRC(6) is alpha_x in component sodium_current (dimensionless).
C ALGBRC(9) is beta_x in component sodium_current (dimensionless).
C STATES(2) is n in component potassium_current_n_gate (dimensionless).
C ALGBRC(2) is alpha_n in component potassium_current_n_gate (per_ms).
C ALGBRC(7) is beta_n in component potassium_current_n_gate (per_ms).
C ALGBRC(3) is T in component transmitter_release (uM).
C CONSTS(10) is T_bar in component transmitter_release (uM).
C STATES(3) is R in component transmitter_release (dimensionless).
C CONSTS(11) is kr_plus in component transmitter_release (per_uM_per_ms).
C CONSTS(12) is kr_minus in component transmitter_release (per_ms).
C ALGBRC(20) is Ca in component calcium_concentration (uM).
C CONSTS(13) is Ca_ex in component calcium_concentration (uM).
C ALGBRC(10) is Ca_open in component calcium_concentration (uM).
C CONSTS(14) is Dc in component calcium_concentration (um2_per_second).
C CONSTS(15) is r in component calcium_concentration (nm).
C ALGBRC(8) is sigma in component calcium_concentration (uM_per_ms).
C ALGBRC(4) is i_V in component calcium_concentration (uA).
C CONSTS(16) is g_Ca in component calcium_concentration (pS).
C CONSTS(17) is P in component calcium_concentration (mV_per_uM).
C ALGBRC(18) is O in component O (dimensionless).
C ALGBRC(12) is alpha in component rate_constants (per_ms).
C ALGBRC(14) is alpha_ in component rate_constants (per_ms).
C ALGBRC(16) is beta in component rate_constants (per_ms).
C ALGBRC(19) is beta_ in component rate_constants (per_ms).
C ALGBRC(21) is kG_plus in component rate_constants (per_ms).
C CONSTS(18) is kG_minus in component rate_constants (per_ms).
C CONSTS(19) is kG2_minus in component rate_constants (per_ms).
C CONSTS(20) is kG3_minus in component rate_constants (per_ms).
C STATES(4) is a in component rate_constants (dimensionless).
C CONSTS(21) is ka_plus in component rate_constants (per_uM_per_ms).
C CONSTS(22) is ka_minus in component rate_constants (per_ms).
C STATES(5) is C1 in component C1 (dimensionless).
C STATES(6) is C2 in component C2 (dimensionless).
C STATES(7) is C_G1 in component C_G1 (dimensionless).
C STATES(8) is C3 in component C3 (dimensionless).
C STATES(9) is C_G2 in component C_G2 (dimensionless).
C STATES(10) is C4 in component C4 (dimensionless).
C STATES(11) is C_G3 in component C_G3 (dimensionless).
C ALGBRC(5) is C_G in component O (dimensionless).
C RATES(1) is d/dt V in component membrane (mV).
C RATES(2) is d/dt n in component potassium_current_n_gate (dimensionless).
C RATES(3) is d/dt R in component transmitter_release (dimensionless).
C RATES(4) is d/dt a in component rate_constants (dimensionless).
C RATES(5) is d/dt C1 in component C1 (dimensionless).
C RATES(6) is d/dt C2 in component C2 (dimensionless).
C RATES(8) is d/dt C3 in component C3 (dimensionless).
C RATES(10) is d/dt C4 in component C4 (dimensionless).
C RATES(7) is d/dt C_G1 in component C_G1 (dimensionless).
C RATES(9) is d/dt C_G2 in component C_G2 (dimensionless).
C RATES(11) is d/dt C_G3 in component C_G3 (dimensionless).
C
      SUBROUTINE initConsts(CONSTS, RATES, STATES)
      REAL CONSTS(*), RATES(*), STATES(*)
      CONSTS(1) = 8314.41
      CONSTS(2) = 310
      CONSTS(3) = 96485
      STATES(1) = -65
      CONSTS(4) = 1
      CONSTS(5) = 10
      CONSTS(6) = 50000
      CONSTS(7) = 40.0
      CONSTS(8) = 100
      CONSTS(9) = 1
      STATES(2) = 0
      CONSTS(10) = 4000.0
      STATES(3) = 0
      CONSTS(11) = 0.15
      CONSTS(12) = 2.5
      CONSTS(13) = 2000.0
      CONSTS(14) = 220
      CONSTS(15) = 10
      CONSTS(16) = 1.2
      CONSTS(17) = 0.006
      CONSTS(18) = 0.00025
      CONSTS(19) = 0.016
      CONSTS(20) = 1.024
      STATES(4) = 0
      CONSTS(21) = 200.0
      CONSTS(22) = 0.0015
      STATES(5) = 1
      STATES(6) = 0
      STATES(7) = 0
      STATES(8) = 0
      STATES(9) = 0
      STATES(10) = 0
      STATES(11) = 0
      RETURN
      END
      SUBROUTINE computeRates(VOI, CONSTS,  RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      ALGBRC(3) =  CONSTS(10)*STATES(3)
      RATES(4) =  CONSTS(21)*ALGBRC(3)*(1.00000 - STATES(4)) -  CONSTS(22)*STATES(4)
      ALGBRC(2) = ( 0.0200000*(STATES(1)+55.0000))/(1.00000 - EXP(- (STATES(1)+55.0000)/10.0000))
      ALGBRC(7) =  0.250000*EXP(- (STATES(1)+65.0000)/80.0000)
      RATES(2) =  ALGBRC(2)*(1.00000 - STATES(2)) -  ALGBRC(7)*STATES(2)
      ALGBRC(1) = TERNRY(VOI.GE.CONSTS(5).AND.VOI.LE.CONSTS(6).AND.(VOI - CONSTS(5)) -  INT((VOI - CONSTS(5))/CONSTS(8))*CONSTS(8).LE.CONSTS(9), CONSTS(7), 0.00000)
      ALGBRC(6) = ( 0.200000*(STATES(1)+40.0000))/(1.00000 -  1.00000*EXP(- (STATES(1)+40.0000)/10.0000))
      ALGBRC(9) =  8.00000*EXP(1.00000/- (STATES(1)+65.0000/18.0000))
      ALGBRC(11) = ALGBRC(6)/(ALGBRC(6)+ALGBRC(9))
      ALGBRC(13) =  120.000*ALGBRC(11) ** 3.00000*(1.00000 - STATES(2))*(STATES(1) - 120.000)
      ALGBRC(15) = ( 36.0000*STATES(2) ** 4.00000*(STATES(1)+77.0000))/1.00000
      ALGBRC(17) =  0.300000*(STATES(1)+54.0000)
      RATES(1) = - ((ALGBRC(13)+ALGBRC(15)+ALGBRC(17)) - ALGBRC(1))/CONSTS(4)
      ALGBRC(18) = ((((((1.00000 - STATES(5)) - STATES(6)) - STATES(8)) - STATES(10)) - STATES(7)) - STATES(9)) - STATES(11)
      ALGBRC(12) =  0.450000*EXP(STATES(1)/22.0000)
      ALGBRC(16) =  0.0150000*EXP(- STATES(1)/14.0000)
      RATES(10) = ( 2.00000*ALGBRC(12)*STATES(8)+ 4.00000*ALGBRC(16)*ALGBRC(18)) -  STATES(10)*( 3.00000*ALGBRC(16)+ALGBRC(12))
      ALGBRC(4) = ( (( CONSTS(16)*CONSTS(17)*2.00000*CONSTS(3)*STATES(1))/( CONSTS(1)*CONSTS(2)))*CONSTS(13))/(1.00000 - EXP(( 2.00000*CONSTS(3)*STATES(1))/( CONSTS(1)*CONSTS(2))))
      ALGBRC(8) =  - 5.18200*ALGBRC(4)
      ALGBRC(10) = ALGBRC(8)/( 2.00000*CONSTS(14)*CONSTS(15)* 3.14159265358979)
      ALGBRC(20) =  ALGBRC(18)*ALGBRC(10)+0.100000
      RATES(3) =  CONSTS(11)*ALGBRC(20)*(1.00000 - STATES(3)) -  CONSTS(12)*STATES(3)
      ALGBRC(21) = ( 3.00000*STATES(4))/(680.000+ 320.000*STATES(4))
      RATES(5) = ( ALGBRC(16)*STATES(6)+ CONSTS(18)*STATES(7)) -  STATES(5)*( 4.00000*ALGBRC(12)+ALGBRC(21))
      RATES(6) = ( 4.00000*ALGBRC(12)*STATES(5)+ 2.00000*ALGBRC(16)*STATES(8)+ CONSTS(19)*STATES(9)) -  STATES(6)*(ALGBRC(16)+ 3.00000*ALGBRC(12)+ALGBRC(21))
      RATES(8) = ( 3.00000*ALGBRC(12)*STATES(6)+ 3.00000*ALGBRC(16)*STATES(10)+ CONSTS(20)*STATES(11)) -  STATES(8)*( 2.00000*ALGBRC(16)+ 2.00000*ALGBRC(12)+ALGBRC(21))
      ALGBRC(14) = ALGBRC(12)/8.00000
      ALGBRC(19) =  ALGBRC(16)*8.00000
      RATES(7) = ( ALGBRC(19)*STATES(9)+ ALGBRC(21)*STATES(5)) -  STATES(7)*( 4.00000*ALGBRC(14)+CONSTS(18))
      RATES(9) = ( 4.00000*ALGBRC(14)*STATES(7)+ 2.00000*ALGBRC(19)*STATES(11)+ ALGBRC(21)*STATES(6)) -  STATES(9)*(ALGBRC(19)+ 3.00000*ALGBRC(14)+CONSTS(19))
      RATES(11) = ( 3.00000*ALGBRC(14)*STATES(9)+ ALGBRC(21)*STATES(8)) -  STATES(11)*( 2.00000*ALGBRC(19)+CONSTS(20))
      RETURN
      END
      SUBROUTINE computeVariables(VOI, CONSTS, RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      ALGBRC(3) =  CONSTS(10)*STATES(3)
      ALGBRC(2) = ( 0.0200000*(STATES(1)+55.0000))/(1.00000 - EXP(- (STATES(1)+55.0000)/10.0000))
      ALGBRC(7) =  0.250000*EXP(- (STATES(1)+65.0000)/80.0000)
      ALGBRC(1) = TERNRY(VOI.GE.CONSTS(5).AND.VOI.LE.CONSTS(6).AND.(VOI - CONSTS(5)) -  INT((VOI - CONSTS(5))/CONSTS(8))*CONSTS(8).LE.CONSTS(9), CONSTS(7), 0.00000)
      ALGBRC(6) = ( 0.200000*(STATES(1)+40.0000))/(1.00000 -  1.00000*EXP(- (STATES(1)+40.0000)/10.0000))
      ALGBRC(9) =  8.00000*EXP(1.00000/- (STATES(1)+65.0000/18.0000))
      ALGBRC(11) = ALGBRC(6)/(ALGBRC(6)+ALGBRC(9))
      ALGBRC(13) =  120.000*ALGBRC(11) ** 3.00000*(1.00000 - STATES(2))*(STATES(1) - 120.000)
      ALGBRC(15) = ( 36.0000*STATES(2) ** 4.00000*(STATES(1)+77.0000))/1.00000
      ALGBRC(17) =  0.300000*(STATES(1)+54.0000)
      ALGBRC(18) = ((((((1.00000 - STATES(5)) - STATES(6)) - STATES(8)) - STATES(10)) - STATES(7)) - STATES(9)) - STATES(11)
      ALGBRC(12) =  0.450000*EXP(STATES(1)/22.0000)
      ALGBRC(16) =  0.0150000*EXP(- STATES(1)/14.0000)
      ALGBRC(4) = ( (( CONSTS(16)*CONSTS(17)*2.00000*CONSTS(3)*STATES(1))/( CONSTS(1)*CONSTS(2)))*CONSTS(13))/(1.00000 - EXP(( 2.00000*CONSTS(3)*STATES(1))/( CONSTS(1)*CONSTS(2))))
      ALGBRC(8) =  - 5.18200*ALGBRC(4)
      ALGBRC(10) = ALGBRC(8)/( 2.00000*CONSTS(14)*CONSTS(15)* 3.14159265358979)
      ALGBRC(20) =  ALGBRC(18)*ALGBRC(10)+0.100000
      ALGBRC(21) = ( 3.00000*STATES(4))/(680.000+ 320.000*STATES(4))
      ALGBRC(14) = ALGBRC(12)/8.00000
      ALGBRC(19) =  ALGBRC(16)*8.00000
      ALGBRC(5) = STATES(7)+STATES(9)+STATES(11)
      RETURN
      END
      REAL FUNCTION TERNRY(TEST, VALA, VALB)
      LOGICAL TEST
      REAL VALA, VALB
      IF (TEST) THEN
        TERNRY = VALA
      ELSE
        TERNRY = VALB
      ENDIF
      RETURN
      END