!     ***********************************************************

!           MODELLING TEST

!     ***********************************************************

      SUBROUTINE TRMDLT

      USE TRCOMM, ONLY : DR, DVRHO, KUFDCG, KUFDEV, MDLUF, NRAMAX, NRMAX, NROMAX, RG, RHOA, RN, RT, RTU
      IMPLICIT NONE
      INTEGER(4)       :: NTL, MODE, WSIM, WEXP,NRHO09, NR, NRHO02, NRDMSH, IST, IUFDEV, IUFDCG
      REAL(8)          :: OFFE, OFFI, RDEOE, RDEOI, RDESE, RDESI, RNEEXP, RNESIM, RNIEXP, RNISIM, RNUME, RNUMI, &
     &                    RTE09, RTI09, STDE, STDI, TEEXP, TESIM, TIEXP, TISIM, WTO1, WTO2
      CHARACTER(LEN=80):: KFILE
      CHARACTER(LEN=3) :: KSTAT
      LOGICAL :: LEX

      IF(MDLUF.EQ.0) RETURN

!     *** RATIO AND MEAN SQUARE DEVIATION ***

!CC      IF(MDLUF.EQ.2) THEN
         NTL=1
!CC      ENDIF
      MODE=0
      WSIM=0.D0
      WEXP=0.D0
      IF(RHOA.NE.1.D0) NRMAX=NROMAX
      NRHO09= NINT(0.9*NRMAX)
      RTE09 =0.5D0*(RTU(NTL,NRHO09,1)+RTU(NTL,NRHO09+1,1))
      RTI09 =0.5D0*(RTU(NTL,NRHO09,2)+RTU(NTL,NRHO09+1,2))
!      NRHO09=NRAMAX
!      RTE09 =PNSA(1)
!      RTI09 =PNSA(2)
      IF(MODE.EQ.0) THEN
         DO NR=1,NRMAX
            IF(RG(NR).GE.0.2D0.AND.RG(NR).LE.0.9D0) THEN
               RNESIM= 0.5D0*(RN(NR,1)+RN(NR+1,1))
               RNISIM= 0.5D0*(RN(NR,2)+RN(NR+1,2))
               RNEEXP= 0.5D0*(RN(NR,1)+RN(NR+1,1))
               RNIEXP= 0.5D0*(RN(NR,2)+RN(NR+1,2))
               TESIM = 0.5D0*(RT(NR,1)+RT(NR+1,1))-RTE09
               TISIM = 0.5D0*(RT(NR,2)+RT(NR+1,2))-RTI09
               TEEXP = 0.5D0*(RTU(NTL,NR,1)+RTU(NTL,NR+1,1))-RTE09
               TIEXP = 0.5D0*(RTU(NTL,NR,2)+RTU(NTL,NR+1,2))-RTI09
               WSIM=WSIM+1.5D0*( RNESIM*TESIM+RNISIM*TISIM)*DVRHO(NR)*DR
               WEXP=WEXP+1.5D0*( RNEEXP*TEEXP+RNIEXP*TIEXP)*DVRHO(NR)*DR
            ENDIF
         ENDDO
      ELSEIF(MODE.EQ.1) THEN
         DO NR=1,NRMAX
            IF(RG(NR).LE.0.9D0) THEN
               RNESIM= 0.5D0*(RN(NR,1)+RN(NR+1,1))
               RNISIM= 0.5D0*(RN(NR,2)+RN(NR+1,2))
               RNEEXP= 0.5D0*(RN(NR,1)+RN(NR+1,1))
               RNIEXP= 0.5D0*(RN(NR,2)+RN(NR+1,2))
               TESIM = 0.5D0*(RT(NR,1)+RT(NR+1,1))-RTE09
               TISIM = 0.5D0*(RT(NR,2)+RT(NR+1,2))-RTI09
               TEEXP = 0.5D0*(RTU(NTL,NR,1)+RTU(NTL,NR+1,1))-RTE09
               TIEXP = 0.5D0*(RTU(NTL,NR,2)+RTU(NTL,NR+1,2))-RTI09
               WSIM=WSIM+1.5D0*( RNESIM*TESIM+RNISIM*TISIM)*DVRHO(NR)*DR
               WEXP=WEXP+1.5D0*( RNEEXP*TEEXP+RNIEXP*TIEXP)*DVRHO(NR)*DR
            ENDIF
         ENDDO
      ENDIF
      WTO1=WSIM/WEXP-1.D0
      WTO2=(WSIM/WEXP-1.D0)**2

!     *** STANDARD DEVIATION AND OFFSET ***

      RNUME=0.D0
      RNUMI=0.D0
      RDESE=0.D0
      RDESI=0.D0
      RDEOE=0.D0
      RDEOI=0.D0
      DO NR=1,NRMAX
         IF(RG(NR).GE.0.2D0.AND.RG(NR).LE.0.9D0) THEN
            TESIM=0.5D0*(RT(NR,1)+RT(NR+1,1))
            TISIM=0.5D0*(RT(NR,2)+RT(NR+1,2))
            TEEXP=0.5D0*(RTU(NTL,NR,1)+RTU(NTL,NR+1,1))
            TIEXP=0.5D0*(RTU(NTL,NR,2)+RTU(NTL,NR+1,2))
            RNUME=RNUME+TEEXP**2
            RNUMI=RNUMI+TIEXP**2
            RDESE=RDESE+(TESIM-TEEXP)**2
            RDESI=RDESI+(TISIM-TIEXP)**2
            RDEOE=RDEOE+(TESIM-TEEXP)
            RDEOI=RDEOI+(TISIM-TIEXP)
         ENDIF
      ENDDO

      NRHO02=INT(0.2*NRMAX)
      NRDMSH=NRHO09-NRHO02
      STDE=SQRT(RDESE)/SQRT(RNUME)
      STDI=SQRT(RDESI)/SQRT(RNUMI)
      OFFE=RDEOE      /SQRT(RNUME*DBLE(NRDMSH))
      OFFI=RDEOI      /SQRT(RNUMI*DBLE(NRDMSH))

!     *** WRITE OUT ***

      IUFDEV = len_trim(KUFDEV)
      IUFDCG = len_trim(KUFDCG)
      KFILE=KUFDEV(1:IUFDEV)//KUFDCG(1:IUFDCG)//'.dat'
      INQUIRE(FILE=KFILE,EXIST=LEX)
      IF(LEX) THEN
         KSTAT='OLD'
      ELSE
         KSTAT='NEW'
      ENDIF
      OPEN(21,FILE=KFILE,IOSTAT=IST,STATUS=KSTAT,ERR=10,FORM='FORMATTED')
      WRITE(6,600) '# NEW FILE (',KFILE,') IS CREATED'
      GOTO 20
 10   WRITE(6,*) 'XX NEW FILE OPEN ERROR : IOSTAT = ',IST
      CLOSE(21)
      RETURN

 20   WRITE(21,610) 'DEV   = ',KUFDEV
      WRITE(21,610) 'SHOT  = ',KUFDCG
      WRITE(21,620) 'AVERW =' ,WTO1
      WRITE(21,620) 'RW    =' ,WTO2
!CC      WRITE(21,620) 'AVERW =' ,WEXP*RKEV*1.D20*1.D-6
!CC      WRITE(21,620) 'RW    =' ,WSIM*RKEV*1.D20*1.D-6
      WRITE(21,620) 'STDE  =' ,STDE
      WRITE(21,620) 'STDI  =' ,STDI
      WRITE(21,620) 'OFFE  =' ,OFFE
      WRITE(21,620) 'OFFI  =' ,OFFI
      CLOSE(21)

      IF(RHOA.NE.1.D0) NRMAX=NRAMAX
 600  FORMAT(' ',A12,A20,A12)
 610  FORMAT(' ',A8,A20)
 620  FORMAT(' ',A7,E15.7)
      RETURN
      END SUBROUTINE TRMDLT