C
C There are a total of 0 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 6 entries in the constant variable array.
C
C
C VOI is time in component environment (day).
C CONSTS(1) is lambda in component uninfected (first_order_rate_constant).
C CONSTS(2) is d in component uninfected (first_order_rate_constant).
C CONSTS(3) is beta in component infected (first_order_rate_constant).
C STATES(1) is v in component virus (dimensionless).
C STATES(2) is x in component uninfected (dimensionless).
C CONSTS(4) is a in component infected (first_order_rate_constant).
C STATES(3) is y in component infected (dimensionless).
C CONSTS(5) is k in component virus (first_order_rate_constant).
C CONSTS(6) is u in component virus (first_order_rate_constant).
C RATES(2) is d/dt x in component uninfected (dimensionless).
C RATES(3) is d/dt y in component infected (dimensionless).
C RATES(1) is d/dt v in component virus (dimensionless).
C
      SUBROUTINE initConsts(CONSTS, RATES, STATES)
      REAL CONSTS(*), RATES(*), STATES(*)
      CONSTS(1) = 1
      CONSTS(2) = 0.01
      CONSTS(3) = 0.05
      STATES(1) = 5
      STATES(2) = 100
      CONSTS(4) = 0.5
      STATES(3) = 0
      CONSTS(5) = 1
      CONSTS(6) = 1
      RETURN
      END
      SUBROUTINE computeRates(VOI, CONSTS,  RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      RATES(2) = (CONSTS(1) -  CONSTS(2)*STATES(2)) -  CONSTS(3)*STATES(2)*STATES(1)
      RATES(3) =  CONSTS(3)*STATES(2)*STATES(1) -  CONSTS(4)*STATES(3)
      RATES(1) =  CONSTS(5)*STATES(3) -  CONSTS(6)*STATES(1)
      RETURN
      END
      SUBROUTINE computeVariables(VOI, CONSTS, RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      RETURN
      END