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C $Header: /u/gcmpack/MITgcm_contrib/eh3_spgr/hs94.cs-32x32x5/code_v2/w2_write_atopo.F,v 1.2 2005/09/24 22:40:16 edhill Exp $ |
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C $Name: $ |
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|
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_EEOPTIONS.h" |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: W2_WRITE_ATOPO |
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|
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C !INTERFACE: |
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SUBROUTINE W2_WRITE_ATOPO |
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|
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C !DESCRIPTION: |
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C Write in the EXCH2 tile topology information to a "flat" ascii |
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C text file compatible with the format used by W2_READ_ATOPO |
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|
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C !USES: |
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IMPLICIT NONE |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "EESUPPORT.h" |
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#include "W2_EXCH2_TOPOLOGY.h" |
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#include "W2_EXCH2_PARAMS.h" |
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INTEGER IFNBLNK |
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EXTERNAL IFNBLNK |
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INTEGER ILNBLNK |
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EXTERNAL ILNBLNK |
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CEOP |
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|
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C !LOCAL VARIABLES: |
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C iUnit :: Work variable for IO unit number |
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C errIO :: IO unit error flag |
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C IL :: Temp. for index strings |
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C msgBuf :: Temp. for textual I/O |
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C line :: Temp. for textual I/O |
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INTEGER IL, errIO, iUnit |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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INTEGER ii, jj, k, ic, nneigh |
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|
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|
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IL = ILNBLNK(W2_ATOPO_ONAME) |
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iUnit = eeDataUnit |
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OPEN(UNIT=iUnit,FILE=W2_ATOPO_ONAME(1:IL), |
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& status='unknown',err=100,IOSTAT=errIO) |
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IF ( errIO .GE. 0 ) GOTO 200 |
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100 CONTINUE |
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WRITE(msgBuf,'(A)') |
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& 'S/R W2_WRITE_ATOPO' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(3A)') |
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& 'Unable to open file "',W2_ATOPO_FNAME(1:IL),'"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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STOP 'ABNORMAL END: S/R W2_WRITE_ATOPO' |
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|
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200 CONTINUE |
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|
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C ======== ASCII FORMAT ======== |
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300 FORMAT(10i12) |
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C The above format is not an efficient way to pack the topology |
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C data. But it does NOT matter! Considering a hypothetical system |
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C with 10,000 tiles (one full order of magnitude larger than any |
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C MITgcm run performed through 2005), the file size would still be |
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C less than 10MB: |
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C |
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C (10000 tiles) * (~5500 bytes / 6 tiles) = 9.2 MB |
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C |
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C and this is orders of magnitude smaller than any binary data files |
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C that would be needed by such a run. |
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C |
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C Write the topo-file version string : |
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C = 0 0 |
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C = 123456789 123456789 |
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C = EXCH2TOPO ver 001 |
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C = === |
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C |
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C ======== ASCII FORMAT ======== |
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|
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IF ( W2_atopo_o_ver(1:3) .EQ. '001' |
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& .OR. W2_atopo_o_ver(1:3) .EQ. '002' ) THEN |
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|
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WRITE(iUnit,'(a)') '#' |
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WRITE(iUnit,'(a)') '# MODEL GENERATED' |
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WRITE(iUnit,'(a)') '#' |
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WRITE(iUnit,'(a)') 'EXCH2TOPO ver 001' |
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WRITE(iUnit,300) NTILES |
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DO k = 1,NTILES |
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|
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WRITE(iUnit,300) k |
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C exch2_myFace = 1 ; |
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C exch2_isNedge = 1 ; |
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C exch2_isSedge = 1 ; |
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C exch2_isEedge = 1 ; |
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C exch2_isWedge = 1 ; |
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WRITE(iUnit,300) exch2_myFace(k), |
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& exch2_isNedge(k), exch2_isSedge(k), |
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& exch2_isEedge(k), exch2_isWedge(k) |
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C XXX exch2_tnx = 32 ; |
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C XXX exch2_tny = 32 ; |
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C XXX exch2_mydnx = 32 ; |
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C XXX exch2_mydny = 32 ; |
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WRITE(iUnit,300) |
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& exch2_tnx(k), exch2_tny(k), |
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& exch2_mydnx(k), exch2_mydny(k) |
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C exch2_txglobalo = 1 ; |
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C exch2_tyglobalo = 1 ; |
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C exch2_tbasex = 0 ; |
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C exch2_tbasey = 0 ; |
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C exch2_nNeighbours = 4 ; |
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WRITE(iUnit,300) |
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& exch2_txglobalo(k), exch2_tyglobalo(k), |
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& exch2_tbasex(k), exch2_tbasey(k), |
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& exch2_nNeighbours(k) |
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nneigh = exch2_nNeighbours(k) |
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C exch2_neighbourId = 3, 6, 2, 5 ; |
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WRITE(iUnit,300) |
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& (exch2_neighbourId(ii,k), ii=1,nneigh) |
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C exch2_pi = 0, -1, 1, 0, 1, 0, 0, 1 ; |
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WRITE(iUnit,300) |
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& ((exch2_pi(jj,ii,k), jj=1,2), ii=1,nneigh) |
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C exch2_pj = 1, 0, 0, 1, 0, 1, -1, 0 ; |
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WRITE(iUnit,300) |
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& ((exch2_pj(jj,ii,k), jj=1,2), ii=1,nneigh) |
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C exch2_oi = 33, 0, 32, -32 ; |
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WRITE(iUnit,300) |
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& (exch2_oi(ii,k), ii=1,nneigh) |
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C exch2_oj = 32, -32, 0, 33 ; |
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WRITE(iUnit,300) |
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& (exch2_oj(ii,k), ii=1,nneigh) |
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C exch2_oi_f = 34, 0, 32, -32 ; |
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WRITE(iUnit,300) |
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& (exch2_oi_f(ii,k), ii=1,nneigh) |
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C exch2_oj_f = 32, -32, 0, 34 ; |
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WRITE(iUnit,300) |
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& (exch2_oj_f(ii,k), ii=1,nneigh) |
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C XXX exch2_itlo_c = 0, 33 ; |
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WRITE(iUnit,300) |
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& (exch2_itlo_c(ii,k), ii=1,nneigh) |
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C XXX exch2_ithi_c = 0, 0 ; |
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WRITE(iUnit,300) |
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& (exch2_ithi_c(ii,k), ii=1,nneigh) |
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C XXX exch2_jtlo_c = 0, 33 ; |
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WRITE(iUnit,300) |
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& (exch2_jtlo_c(ii,k), ii=1,nneigh) |
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C XXX exch2_jthi_c = 0, 0 ; |
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WRITE(iUnit,300) |
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& (exch2_jthi_c(ii,k), ii=1,nneigh) |
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C XXX exch2_opposingSend_record = 4, 1, 4, 1 ; |
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WRITE(iUnit,300) |
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& (exch2_opposingSend_record(ii,k), ii=1,nneigh) |
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|
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C Add the corners, if necessary |
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IF ( W2_atopo_o_ver(1:3) .EQ. '002' ) THEN |
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WRITE(iUnit,300) |
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& (GEx_ncor(ii,k), ii=1,4) |
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DO ii = 1,4 |
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DO jj = 1,2 |
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WRITE(iUnit,300) |
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& (GEx_cInfo(ic,jj,ii,k), ic=1,GEx_ncor(ii,k)) |
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ENDDO |
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ENDDO |
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ENDIF |
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|
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ENDDO |
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|
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ELSE |
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|
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WRITE(msgBuf,'(A)') |
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& 'S/R W2_WRITE_ATOPO' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(3A)') |
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& 'Unknown topology version "',W2_atopo_o_ver(1:3),'"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(3A)') |
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& 'Currently, valid values are "001" or "002"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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STOP 'ABNORMAL END: S/R W2_WRITE_ATOPO' |
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|
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ENDIF |
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|
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CLOSE(iUnit) |
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|
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RETURN |
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END |
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