C
C There are a total of 0 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 14 entries in the constant variable array.
C
C
C VOI is time in component environment (second).
C STATES(1) is X1 in component X1 (nanomolar).
C CONSTS(1) is a1 in component X1 (flux).
C CONSTS(2) is b1 in component X1 (flux).
C CONSTS(3) is A1 in component X1 (dimensionless).
C CONSTS(4) is k11 in component X1 (per_nanomolar).
C CONSTS(5) is k12 in component X1 (per_nanomolar).
C STATES(2) is Y1 in component Y1 (nanomolar).
C STATES(3) is Y2 in component Y2 (nanomolar).
C CONSTS(6) is beta_1 in component Y1 (flux).
C CONSTS(7) is alpha_1 in component Y1 (first_order_rate_constant).
C STATES(4) is X2 in component X2 (nanomolar).
C CONSTS(8) is a2 in component X2 (flux).
C CONSTS(9) is b2 in component X2 (flux).
C CONSTS(10) is A2 in component X2 (dimensionless).
C CONSTS(11) is k21 in component X2 (per_nanomolar).
C CONSTS(12) is k22 in component X2 (per_nanomolar).
C CONSTS(13) is beta_2 in component Y2 (flux).
C CONSTS(14) is alpha_2 in component Y2 (first_order_rate_constant).
C RATES(1) is d/dt X1 in component X1 (nanomolar).
C RATES(2) is d/dt Y1 in component Y1 (nanomolar).
C RATES(4) is d/dt X2 in component X2 (nanomolar).
C RATES(3) is d/dt Y2 in component Y2 (nanomolar).
C
      SUBROUTINE initConsts(CONSTS, RATES, STATES)
      REAL CONSTS(*), RATES(*), STATES(*)
      STATES(1) = 7
      CONSTS(1) = 360
      CONSTS(2) = 10
      CONSTS(3) = 36
      CONSTS(4) = 1
      CONSTS(5) = 0
      STATES(2) = -10
      STATES(3) = -10
      CONSTS(6) = 0
      CONSTS(7) = 0.5
      STATES(4) = 7
      CONSTS(8) = 360
      CONSTS(9) = 10
      CONSTS(10) = 43
      CONSTS(11) = 0
      CONSTS(12) = 1
      CONSTS(13) = 0
      CONSTS(14) = 0.6
      RETURN
      END
      SUBROUTINE computeRates(VOI, CONSTS,  RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      RATES(1) = CONSTS(1)/(CONSTS(3)+ CONSTS(4)*STATES(2)+ CONSTS(5)*STATES(3)) - CONSTS(2)
      RATES(2) =  CONSTS(7)*STATES(1) - CONSTS(6)
      RATES(4) = CONSTS(8)/(CONSTS(10)+ CONSTS(11)*STATES(2)+ CONSTS(12)*STATES(3)) - CONSTS(9)
      RATES(3) =  CONSTS(14)*STATES(4) - CONSTS(13)
      RETURN
      END
      SUBROUTINE computeVariables(VOI, CONSTS, RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      RETURN
      END