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jmc |
1.1 |
C $Header: $ |
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C $Name: $ |
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#include "MDSIO_OPTIONS.h" |
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C-- File mdsio_read_facefile.F: |
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C-- Contents |
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C-- o MDS_FACEF_READ_RS |
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C-- o MDS_FACEF_READ_RL <- not yet coded |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: MDS_FACEF_READ_RS |
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C !INTERFACE: |
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SUBROUTINE MDS_FACEF_READ_RS( |
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I fName, fPrec, irec, |
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U array, |
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I bi,bj, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE MDS_FACEF_READ_RS |
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C *==========================================================* |
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C | Read 1 field from a file which contains all the data from |
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C | 1 "face" (= piece of domain with rectangular topology) |
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C *==========================================================* |
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C \ev |
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C !USES: |
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IMPLICIT NONE |
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C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#ifdef ALLOW_EXCH2 |
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#include "W2_EXCH2_TOPOLOGY.h" |
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#include "W2_EXCH2_PARAMS.h" |
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#endif /* ALLOW_EXCH2 */ |
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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CHARACTER*(*) fName |
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INTEGER fPrec |
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INTEGER irec |
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_RS array(1-Olx:sNx+Olx,1-Oly:sNy+Oly,nSx,nSy) |
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INTEGER bi,bj, myThid |
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CEOP |
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C !FUNCTIONS: |
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INTEGER MDS_RECLEN |
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EXTERNAL MDS_RECLEN |
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INTEGER ILNBLNK |
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EXTERNAL ILNBLNK |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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INTEGER i,j, dUnit, iLen |
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INTEGER length_of_rec |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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#ifdef ALLOW_EXCH2 |
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INTEGER tN, dNx, dNy, tBx, tBy, tNx, tNY, jj, jBase |
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Real*4 ioBuf4(1:sNx*nSx*nPx+1) |
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Real*8 ioBuf8(1:sNx*nSx*nPx+1) |
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#else |
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Real*4 ioBuf4(1:sNx+1,1:sNy+1) |
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Real*8 ioBuf8(1:sNx+1,1:sNy+1) |
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#endif /* ALLOW_EXCH2 */ |
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iLen = ILNBLNK(fName) |
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#ifdef ALLOW_EXCH2 |
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C Figure out offset of tile within face |
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tN = W2_myTileList(bi) |
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dNx = exch2_mydnx(tN) |
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dNy = exch2_mydny(tN) |
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tBx = exch2_tbasex(tN) |
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tBy = exch2_tbasey(tN) |
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tNx = exch2_tnx(tN) |
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tNy = exch2_tny(tN) |
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CALL MDSFINDUNIT( dUnit, myThid ) |
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length_of_rec = MDS_RECLEN( fPrec, (dNx+1), myThid ) |
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OPEN( dUnit, file=fName(1:iLen), status='old', |
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& access='direct', recl=length_of_rec ) |
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j = 0 |
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jBase=(irec-1)*(dNy+1) |
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IF ( fPrec.EQ.precFloat32 ) THEN |
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DO jj=1+tBy,sNy+1+tBy |
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READ(dUnit,rec=jj+jBase) (ioBuf4(i),i=1,dNx+1) |
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#ifdef _BYTESWAPIO |
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CALL MDS_BYTESWAPR4( (dNx+1), ioBuf4 ) |
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#endif |
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j = j+1 |
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DO i=1,sNx+1 |
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array(i,j,bi,bj) = ioBuf4(i+tBx) |
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ENDDO |
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ENDDO |
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ELSEIF ( fPrec.EQ.precFloat64 ) THEN |
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DO jj=1+tBy,sNy+1+tBy |
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READ(dUnit,rec=jj+jBase) (ioBuf8(i),i=1,dNx+1) |
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#ifdef _BYTESWAPIO |
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CALL MDS_BYTESWAPR8( (dNx+1), ioBuf8 ) |
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#endif |
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j = j+1 |
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DO i=1,sNx+1 |
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array(i,j,bi,bj) = ioBuf8(i+tBx) |
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ENDDO |
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ENDDO |
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ELSE |
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WRITE(msgBuf,'(A,I8,A)') ' MDS_FACEF_READ_RS:', |
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& fPrec, ' = illegal value for fPrec' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R MDS_FACEF_READ_RS' |
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ENDIF |
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CLOSE( dUnit ) |
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#else /* ALLOW_EXCH2 */ |
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CALL MDSFINDUNIT( dUnit, myThid ) |
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length_of_rec = MDS_RECLEN( fPrec, (sNx+1)*(sNy+1), myThid ) |
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OPEN( dUnit, file=fName(1:iLen), status='old', |
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& access='direct', recl=length_of_rec ) |
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IF ( fPrec.EQ.precFloat32 ) THEN |
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READ(dUnit, rec=irec) ioBuf4 |
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#ifdef _BYTESWAPIO |
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CALL MDS_BYTESWAPR4( (sNx+1)*(sNy+1), ioBuf4 ) |
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#endif |
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DO j=1,sNy+1 |
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DO i=1,sNx+1 |
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array(i,j,bi,bj) = ioBuf4(i,j) |
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ENDDO |
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ENDDO |
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ELSEIF ( fPrec.EQ.precFloat64 ) THEN |
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READ(dUnit, rec=irec) ioBuf8 |
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#ifdef _BYTESWAPIO |
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CALL MDS_BYTESWAPR8( (sNx+1)*(sNy+1), ioBuf8 ) |
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#endif |
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DO j=1,sNy+1 |
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DO i=1,sNx+1 |
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array(i,j,bi,bj) = ioBuf8(i,j) |
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ENDDO |
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ENDDO |
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ELSE |
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WRITE(msgBuf,'(A,I8,A)') ' MDS_FACEF_READ_RS:', |
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& fPrec, ' = illegal value for fPrec' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R MDS_FACEF_READ_RS' |
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ENDIF |
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CLOSE( dUnit ) |
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#endif /* ALLOW_EXCH2 */ |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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RETURN |
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END |
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