Successfully made an interface to mregmodule. It still remains to check that it is correct.
Per.Andreas.Brodtkorb
14 years ago
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578470f36a
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7812a265f6
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MODULE INTFCMOD
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IMPLICIT NONE
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PUBLIC :: INITLEVELS, TRANSF, COVG
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CONTAINS
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SUBROUTINE INITLEVELS(T,HT,N,NG,NU,Nv)
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USE TBRMOD
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USE SIZEMOD
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IMPLICIT NONE
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C INTEGER, PARAMETER:: NMAX = 101, RDIM = 10201
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C DIMENSION ULEVELS(1),Vlevels(1),T(1),HT(1),TG(1),XG(1),HH(101)
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REAL*8, DIMENSION(:), intent(in) :: T
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REAL*8, DIMENSION(:), intent(out) :: HT
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INTEGER, intent(in) :: NG
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REAL*8 :: UMIN,UMAX,VMIN,VMAX, HU,HV
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integer :: N, I, NU, NV
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C REAL*8, DIMENSION(NMAX) :: HH
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C COMMON/TBR/HH
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IF (NG.GT.501) THEN
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PRINT *,'Vector defining transformation of data > 501, stop'
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STOP
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END IF
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IF(N.ge.NMAX) then
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print *,'The number of wavelength points >',NMAX-1, ' stop'
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stop
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end if
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IF(N.lt.2) then
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print *,'The number of wavelength points < 2, stop'
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stop
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end if
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HT(1)=0.5d0*(T(2)-T(1))
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HT(N)=0.5d0*(T(N)-T(N-1))
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HH(1)=-100.0d0
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HH(N)=-100.0d0
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DO I=2,N-1
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HT(I)=0.5d0*(T(I+1)-T(I-1))
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HH(I)=-100.0d0
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c10 CONTINUE
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enddo
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IF(NU.gt.NMAX) then
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print *,'The number of maxima >',NMAX,' stop'
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stop
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end if
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IF(NV.gt.NMAX) then
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print *,'The number of minima >',NMAX,' stop'
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stop
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end if
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IF(NU.LT.1) Then
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print *,'The number of maxima < 1, stop'
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stop
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end if
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IF(NV.LT.1) Then
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print *,'The number of minima < 1, stop'
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stop
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end if
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RETURN
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END SUBROUTINE INITLEVELS
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SUBROUTINE TRANSF(N,T,A,TIMEV,VALUE,DER)
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C
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C N number of data points
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C TIMEV vector of time points
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C A a vector of values of a function G(TIME)
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C T independent time point
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C VALUE is a value of a function at T, i.e. VALUE=G(T).
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c DER=G'(t)
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C
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USE SIZEMOD
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IMPLICIT NONE
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REAL*8, intent(inout):: VALUE, DER,T
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C INTEGER, PARAMETER :: RDIM = 10201
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REAL*8, DIMENSION(:), intent(in) :: A,TIMEV
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integer, intent(in) :: N
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REAL*8:: T1
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integer :: I
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IF (T.LT.TIMEV(1)) then
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der=(A(2)-A(1))/(TIMEV(2)-TIMEV(1))
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T1=T-TIMEV(1)
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VALUE=A(1)+T1*DER
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return
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end if
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IF (T.GT.TIMEV(N)) then
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der = (A(N)-A(N-1))/(TIMEV(N)-TIMEV(N-1))
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T1 = T-TIMEV(N)
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VALUE=A(N)+T1*DER
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return
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end if
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DO I=2,N
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IF (T.LT.TIMEV(I)) GO TO 10
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ENDDO
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10 I=I-1
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T1=T-TIMEV(I)
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DER=(A(I+1)-A(I))/(TIMEV(i+1)-TIMEV(I))
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VALUE=A(I)+T1*DER
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RETURN
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END SUBROUTINE TRANSF
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REAL*8 FUNCTION SPLE(N,T,A,TIMEV)
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C
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C N number of data points
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C TIME vector of time points
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C A a vector of values of a function G(TIME)
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C T independent time point
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C SPLE is a value of a function at T, i.e. SPLE=G(T).
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C
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USE SIZEMOD
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IMPLICIT NONE
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INTEGER, INTENT(IN):: N
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REAL*8, INTENT(IN) :: T
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REAL*8, DIMENSION(:), INTENT(IN) :: A,TIMEV
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REAL*8 :: T1
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INTEGER :: I
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SPLE=-9.9d0
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IF (T.LT.TIMEV(1) .OR. T.GT.TIMEV(N)) RETURN
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DO I=2,N
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IF (T.LT.TIMEV(I)) GO TO 10
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ENDDO
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10 I=I-1
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T1=T-TIMEV(I)
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SPLE=A(I)+T1*(A(I+1)-A(I))/(TIMEV(i+1)-TIMEV(I))
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RETURN
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END FUNCTION SPLE
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SUBROUTINE COVG(XL0,XL2,XL4,COV,T,N)
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C
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C COVG evaluates:
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C
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C XL0,XL2,XL4 - spectral moments.
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C
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C Covariance function and its four derivatives for a vector T of length N.
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C It is saved in a vector COV; COV(1,...,N)=r(T), COV(N+1,...,2N)=r'(T), etc.
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C The vector COV should be of the length 5*N.
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C
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C Covariance matrices COV1=r'(T-T), COV2=r''(T-T) and COV3=r'''(T-T)
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C Dimension of COV1, COV2 should be N*N.
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C
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! USE SIZEMOD
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! IMPLICIT NONE
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C INTEGER, PARAMETER:: NMAX = 101, RDIM = 10201
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REAL*8, PARAMETER:: ZERO = 0.0d0
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REAL*8, intent(inout) :: XL0,XL2,XL4
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REAL*8, DIMENSION(N,5), intent(in) :: COV
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REAL*8, DIMENSION(N), intent(in) :: T
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INTEGER, intent(in) :: N
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C
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C COV(Y(T),Y(0)) = COV(:,1)
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C
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XL0 = COV(1,1)
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! XL0 = SPLE(NT,ZERO,COV(:,1),T)
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C
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C DERIVATIVE COV(Y(T),Y(0)) = COV(:,2)
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C
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C 2-DERIVATIVE COV(Y(T),Y(0)) = COV(:,3)
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XL2 = -COV(1,3)
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! XL2 = -SPLE(NT,ZERO,COV(:,3),T)
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C 3-DERIVATIVE COV(Y(T),Y(0)) = COV(:,4)
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C 4-DERIVATIVE COV(Y(T),Y(0)) = COV(:,5)
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XL4 = COV(1,5)
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! XL4 = SPLE(NT,ZERO,COV(:,5),T)
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RETURN
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END SUBROUTINE COVG
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END module intfcmod
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