C
C There are a total of 9 entries in the algebraic variable array.
C There are a total of 4 entries in each of the rate and state variable arrays.
C There are a total of 16 entries in the constant variable array.
C
C
C VOI is time in component environment (second).
C STATES(1) is Ca_m in component Ca_m (micromolar).
C ALGBRC(1) is J_min in component J_min (micromolar).
C ALGBRC(2) is J_mout in component J_mout (micromolar).
C CONSTS(1) is k_min in component J_min (micromolar).
C STATES(2) is Ca_cyt in component Ca_cyt (micromolar).
C CONSTS(2) is K_m in component J_min (micromolar).
C CONSTS(3) is n in component J_min (micromolar).
C CONSTS(4) is k_mout in component J_mout (micromolar).
C ALGBRC(3) is J_ERch in component J_ERch (micromolar).
C ALGBRC(4) is J_ERpump in component J_ERpump (micromolar).
C ALGBRC(5) is J_ERleak in component J_ERleak (micromolar).
C ALGBRC(7) is J_CaPr in component J_CaPr (micromolar).
C ALGBRC(9) is J_Pr in component J_Pr (micromolar).
C CONSTS(5) is rho_m in component Ca_cyt (dimensionless).
C CONSTS(6) is beta_m in component Ca_cyt (dimensionless).
C STATES(3) is Ca_tot in component Ca_tot (micromolar).
C STATES(4) is Ca_ER in component Ca_ER (micromolar).
C CONSTS(7) is rho_ER in component Ca_ER (dimensionless).
C CONSTS(8) is beta_ER in component Ca_ER (dimensionless).
C ALGBRC(6) is CaPr in component CaPr (micromolar).
C CONSTS(9) is k_ERch in component J_ERch (micromolar).
C CONSTS(10) is K_ch in component J_ERch (micromolar).
C CONSTS(11) is k_ERpump in component J_ERpump (per_second).
C CONSTS(12) is k_ERleak in component J_ERleak (per_second).
C CONSTS(13) is k_min in component J_CaPr (per_second).
C CONSTS(14) is k_plus in component J_Pr (per_micromolar_per_second).
C ALGBRC(8) is Pr in component Pr (micromolar).
C CONSTS(15) is Ca_tot in component CaPr (micromolar).
C CONSTS(16) is Pr_tot in component Pr (micromolar).
C RATES(1) is d/dt Ca_m in component Ca_m (micromolar).
C RATES(2) is d/dt Ca_cyt in component Ca_cyt (micromolar).
C RATES(3) is d/dt Ca_tot in component Ca_tot (micromolar).
C RATES(4) is d/dt Ca_ER in component Ca_ER (micromolar).
C
      SUBROUTINE initConsts(CONSTS, RATES, STATES)
      REAL CONSTS(*), RATES(*), STATES(*)
      STATES(1) = 0.1
      CONSTS(1) = 330
      STATES(2) = 0.01
      CONSTS(2) = 1.6
      CONSTS(3) = 8
      CONSTS(4) = 0.5
      CONSTS(5) = 0.01
      CONSTS(6) = 0.025
      STATES(3) = 0.01
      STATES(4) = 20
      CONSTS(7) = 0.01
      CONSTS(8) = 0.0025
      CONSTS(9) = 0.001
      CONSTS(10) = 5
      CONSTS(11) = 20
      CONSTS(12) = 0.05
      CONSTS(13) = 0.01
      CONSTS(14) = 0.1
      CONSTS(15) = 90
      CONSTS(16) = 120
      RETURN
      END
      SUBROUTINE computeRates(VOI, CONSTS,  RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      ALGBRC(1) = ( CONSTS(1)*STATES(2) ** CONSTS(3))/(CONSTS(2) ** CONSTS(3)+STATES(2) ** CONSTS(3))
      ALGBRC(2) = ( CONSTS(4)*STATES(1))/1.00000
      RATES(1) = ALGBRC(1) - ALGBRC(2)
      ALGBRC(3) =  (( CONSTS(9)*STATES(2) ** 2.00000)/(CONSTS(10) ** 2.00000+STATES(2) ** 2.00000))*(STATES(4) - STATES(2))
      ALGBRC(4) =  CONSTS(11)*STATES(2)
      ALGBRC(5) =  CONSTS(12)*(STATES(4) - STATES(2))
      RATES(4) =  (CONSTS(8)/CONSTS(7))*((ALGBRC(4) - ALGBRC(5)) - ALGBRC(3))*1.00000
      ALGBRC(6) = CONSTS(15) - (STATES(2)+ (CONSTS(7)/CONSTS(8))*STATES(4))
      RATES(3) = STATES(2)+ (CONSTS(7)/CONSTS(8))*STATES(4)+ (CONSTS(5)/CONSTS(6))*STATES(1)+ALGBRC(6)
      ALGBRC(7) =  CONSTS(13)*ALGBRC(6)
      ALGBRC(8) = CONSTS(16) - ALGBRC(6)
      ALGBRC(9) =  CONSTS(14)*STATES(2)*ALGBRC(8)
      RATES(2) =  ((((ALGBRC(3) - ALGBRC(4))+ALGBRC(5)+ALGBRC(7)) - ALGBRC(9))+ (CONSTS(5)/CONSTS(6))*(ALGBRC(2) - ALGBRC(1)))*1.00000
      RETURN
      END
      SUBROUTINE computeVariables(VOI, CONSTS, RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      ALGBRC(1) = ( CONSTS(1)*STATES(2) ** CONSTS(3))/(CONSTS(2) ** CONSTS(3)+STATES(2) ** CONSTS(3))
      ALGBRC(2) = ( CONSTS(4)*STATES(1))/1.00000
      ALGBRC(3) =  (( CONSTS(9)*STATES(2) ** 2.00000)/(CONSTS(10) ** 2.00000+STATES(2) ** 2.00000))*(STATES(4) - STATES(2))
      ALGBRC(4) =  CONSTS(11)*STATES(2)
      ALGBRC(5) =  CONSTS(12)*(STATES(4) - STATES(2))
      ALGBRC(6) = CONSTS(15) - (STATES(2)+ (CONSTS(7)/CONSTS(8))*STATES(4))
      ALGBRC(7) =  CONSTS(13)*ALGBRC(6)
      ALGBRC(8) = CONSTS(16) - ALGBRC(6)
      ALGBRC(9) =  CONSTS(14)*STATES(2)*ALGBRC(8)
      RETURN
      END