C
C There are a total of 9 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 8 entries in the constant variable array.
C
C
C VOI is time in component model (minute).
C STATES(1) is NFATP_cyt in component model (molecule).
C STATES(2) is NFAT_cyt in component model (molecule).
C STATES(3) is NFAT_nuc in component model (molecule).
C ALGBRC(1) is NFAT_tot in component model (molecule).
C CONSTS(1) is k1_unstim in component model (per_minute).
C CONSTS(2) is k1_stim in component model (per_minute).
C ALGBRC(3) is k1 in component model (per_minute).
C CONSTS(3) is k2 in component model (per_minute).
C CONSTS(4) is k3 in component model (per_minute).
C CONSTS(5) is k4 in component model (per_minute).
C CONSTS(6) is stim_wavelength in component model (minute).
C CONSTS(7) is stim_duration in component model (minute).
C ALGBRC(2) is stim_on in component model (dimensionless).
C CONSTS(8) is time_before_stim in component model (minute).
C ALGBRC(7) is Jdephosphorylation in component model (molecules_per_minute).
C ALGBRC(8) is Jtranslocate in component model (molecules_per_minute).
C ALGBRC(9) is Jexport in component model (molecules_per_minute).
C ALGBRC(4) is percentage_NFAT_cyt in component model (dimensionless).
C ALGBRC(5) is percentage_NFATP_cyt in component model (dimensionless).
C ALGBRC(6) is percentage_NFAT_nuc in component model (dimensionless).
C RATES(1) is d/dt NFATP_cyt in component model (molecule).
C RATES(2) is d/dt NFAT_cyt in component model (molecule).
C RATES(3) is d/dt NFAT_nuc in component model (molecule).
C
      SUBROUTINE initConsts(CONSTS, RATES, STATES)
      REAL CONSTS(*), RATES(*), STATES(*)
      STATES(1) = 5000
      STATES(2) = 0
      STATES(3) = 0
      CONSTS(1) = 0
      CONSTS(2) = 0.359
      CONSTS(3) = 0.147
      CONSTS(4) = 0.06
      CONSTS(5) = 0.035
      CONSTS(6) = 3
      CONSTS(7) = 0.5
      CONSTS(8) = 1
      RETURN
      END
      SUBROUTINE computeRates(VOI, CONSTS,  RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      ALGBRC(2) = TERNRY(VOI.GE.CONSTS(8).AND. INT(MOD(VOI - CONSTS(8), CONSTS(6))).LE.CONSTS(7), 1.00000, 0.00000)
      ALGBRC(3) = TERNRY(ALGBRC(2).EQ.1.00000, CONSTS(2), CONSTS(1))
      ALGBRC(7) =  ALGBRC(3)*STATES(1) -  CONSTS(3)*STATES(2)
      ALGBRC(8) =  CONSTS(4)*STATES(2)
      RATES(2) = ALGBRC(7) - ALGBRC(8)
      ALGBRC(9) =  CONSTS(5)*STATES(3)
      RATES(1) = ALGBRC(9) - ALGBRC(7)
      RATES(3) = ALGBRC(8) - ALGBRC(9)
      RETURN
      END
      SUBROUTINE computeVariables(VOI, CONSTS, RATES, STATES, ALGBRC)
      REAL VOI, CONSTS(*), RATES(*), STATES(*), ALGBRC(*)
      ALGBRC(2) = TERNRY(VOI.GE.CONSTS(8).AND. INT(MOD(VOI - CONSTS(8), CONSTS(6))).LE.CONSTS(7), 1.00000, 0.00000)
      ALGBRC(3) = TERNRY(ALGBRC(2).EQ.1.00000, CONSTS(2), CONSTS(1))
      ALGBRC(7) =  ALGBRC(3)*STATES(1) -  CONSTS(3)*STATES(2)
      ALGBRC(8) =  CONSTS(4)*STATES(2)
      ALGBRC(9) =  CONSTS(5)*STATES(3)
      ALGBRC(1) = STATES(1)+STATES(2)+STATES(3)
      ALGBRC(4) = ( STATES(2)*100.000)/ALGBRC(1)
      ALGBRC(5) = ( STATES(1)*100.000)/ALGBRC(1)
      ALGBRC(6) = ( STATES(3)*100.000)/ALGBRC(1)
      RETURN
      END
      REAL FUNCTION TERNRY(TEST, VALA, VALB)
      LOGICAL TEST
      REAL VALA, VALB
      IF (TEST) THEN
        TERNRY = VALA
      ELSE
        TERNRY = VALB
      ENDIF
      RETURN
      END