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C $Header: /u/gcmpack/MITgcm/pkg/mdsio/mdsio_readvector.F,v 1.15 2009/09/01 19:00:15 jmc Exp $ |
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C $Name: $ |
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|
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#include "MDSIO_OPTIONS.h" |
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|
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SUBROUTINE MDSREADVECTOR( |
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I fName, |
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I filePrec, |
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I arrType, |
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I narr, |
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O arr, |
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I bi, |
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I bj, |
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I irecord, |
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I myThid ) |
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|
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C Arguments: |
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C |
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C fName string :: base name for file to read |
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C filePrec integer :: number of bits per word in file (32 or 64) |
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C arrType char(2) :: declaration of "arr": either "RS" or "RL" |
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C narr integer :: size of third dimension: normally either 1 or Nr |
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C arr RS/RL :: array to read into, arr(narr) |
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c bi integer :: x tile index |
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c bj integer :: y tile index |
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C irecord integer :: record number to read |
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C myThid integer :: thread identifier |
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C |
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C Created: 03/26/99 eckert@mit.edu |
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C Modified: 03/29/99 adcroft@mit.edu + eckert@mit.edu |
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C Fixed to work work with _RS and _RL declarations |
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C Modified: 07/27/99 eckert@mit.edu |
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C Customized for state estimation (--> active_file_control.F) |
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|
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IMPLICIT NONE |
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C Global variables / COMMON blocks |
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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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#include "EESUPPORT.h" |
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|
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C Routine arguments |
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CHARACTER*(*) fName |
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INTEGER filePrec |
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CHARACTER*(2) arrType |
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INTEGER narr |
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_RL arr(narr) |
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INTEGER bi,bj |
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INTEGER irecord |
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INTEGER myThid |
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|
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#ifdef ALLOW_AUTODIFF |
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|
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C Functions |
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INTEGER ILNBLNK |
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INTEGER MDS_RECLEN |
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C Local variables |
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CHARACTER*(MAX_LEN_FNAM) dataFName,pfName |
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INTEGER iG,jG,irec,dUnit,IL,pIL |
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LOGICAL exst |
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LOGICAL globalFile,fileIsOpen |
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INTEGER length_of_rec |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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|
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cph( |
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cph Deal with useSingleCpuIO |
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cph Not extended here for EXCH2 |
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INTEGER k,l |
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INTEGER vec_size |
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Real*4 xy_buffer_r4(narr*nPx*nPy) |
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Real*8 xy_buffer_r8(narr*nPx*nPy) |
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Real*8 global (narr*nPx*nPy) |
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_RL local(narr) |
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cph) |
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C ------------------------------------------------------------------ |
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|
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vec_size = narr*nPx*nPy |
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|
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C Only DO I/O IF I am the master thread |
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_BEGIN_MASTER( myThid ) |
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|
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C Record number must be >= 1 |
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IF (irecord .LT. 1) THEN |
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WRITE(msgBuf,'(A,I9.8)') |
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& ' MDSREADVECTOR: argument irecord = ',irecord |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(A)') |
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& ' MDSREADVECTOR: invalid value for irecord' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R MDSREADVECTOR' |
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ENDIF |
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|
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C Assume nothing |
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globalFile = .FALSE. |
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fileIsOpen = .FALSE. |
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IL = ILNBLNK( fName ) |
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pIL = ILNBLNK( mdsioLocalDir ) |
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|
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C Assign special directory |
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IF ( mdsioLocalDir .NE. ' ' ) THEN |
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WRITE(pfName,'(2A)') |
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& mdsioLocalDir(1:pIL), fName(1:IL) |
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ELSE |
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pfName= fName |
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ENDIF |
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pIL=ILNBLNK( pfName ) |
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|
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C Assign a free unit number as the I/O channel for this routine |
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CALL MDSFINDUNIT( dUnit, myThid ) |
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|
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IF ( .not. useSingleCPUIO ) THEN |
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|
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C Check first for global file with simple name (ie. fName) |
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dataFName = fName |
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INQUIRE( file=dataFName, exist=exst ) |
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IF (exst) THEN |
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IF ( debugLevel .GE. debLevB ) THEN |
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WRITE(msgBuf,'(A,A)') |
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& ' MDSREADVECTOR: opening global file: ',dataFName(1:IL) |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , myThid ) |
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ENDIF |
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globalFile = .TRUE. |
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ENDIF |
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|
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C If negative check for global file with MDS name (ie. fName.data) |
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IF (.NOT. globalFile) THEN |
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WRITE(dataFName,'(2A)') fName(1:IL),'.data' |
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INQUIRE( file=dataFName, exist=exst ) |
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IF (exst) THEN |
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IF ( debugLevel .GE. debLevB ) THEN |
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WRITE(msgBuf,'(A,A)') |
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& ' MDSREADVECTOR: opening global file: ',dataFName(1:IL+5) |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , myThid ) |
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ENDIF |
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globalFile = .TRUE. |
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ENDIF |
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ENDIF |
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|
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C If we are reading from a global file then we open it here |
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IF (globalFile) THEN |
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length_of_rec=MDS_RECLEN( filePrec, narr, myThid ) |
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OPEN( dUnit, file=dataFName, status='old', |
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& access='direct', recl=length_of_rec ) |
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fileIsOpen=.TRUE. |
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ENDIF |
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|
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C Loop over all tiles |
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c DO bj=1,nSy |
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c DO bi=1,nSx |
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C If we are reading from a tiled MDS file then we open each one here |
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IF (.NOT. globalFile) THEN |
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iG=bi+(myXGlobalLo-1)/sNx ! Kludge until unstructered tiles |
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jG=bj+(myYGlobalLo-1)/sNy ! Kludge until unstructered tiles |
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WRITE(dataFName,'(2A,I3.3,A,I3.3,A)') |
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& pfName(1:pIL),'.',iG,'.',jG,'.data' |
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INQUIRE( file=dataFName, exist=exst ) |
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C Of course, we only open the file IF the tile is "active" |
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C (This is a place-holder for the active/passive mechanism) |
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IF (exst) THEN |
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IF ( debugLevel .GE. debLevB ) THEN |
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WRITE(msgBuf,'(A,A)') |
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& ' MDSREADVECTOR: opening file: ',dataFName(1:pIL+13) |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , myThid ) |
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ENDIF |
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length_of_rec=MDS_RECLEN( filePrec, narr, myThid ) |
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OPEN( dUnit, file=dataFName, status='old', |
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& access='direct', recl=length_of_rec ) |
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fileIsOpen=.TRUE. |
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ELSE |
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fileIsOpen=.FALSE. |
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WRITE(msgBuf,'(4A)') |
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& ' MDSREADVECTOR: opening file: ',fName(1:IL), |
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& ' , ',dataFName(1:pIL+13) |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(A)') |
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& ' MDSREADVECTOR: un-active tiles not implemented yet' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R MDSREADVECTOR' |
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ENDIF |
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ENDIF |
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IF (fileIsOpen) THEN |
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IF (globalFile) THEN |
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iG = myXGlobalLo-1+(bi-1)*sNx |
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jG = myYGlobalLo-1+(bj-1)*sNy |
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irec = 1 + int(iG/sNx) + (jG/sNy)*nSx*nPx + |
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& (irecord-1)*nSx*nPx*nSy*nPy |
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ELSE |
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iG = 0 |
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jG = 0 |
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irec = irecord |
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ENDIF |
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IF ( arrType.EQ.'RS' ) THEN |
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CALL MDS_RD_REC_RS( arr, xy_buffer_r4, xy_buffer_r8, |
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I filePrec, dUnit, irec, narr, myThid ) |
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ELSEIF ( arrType.EQ.'RL' ) THEN |
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CALL MDS_RD_REC_RL( arr, xy_buffer_r4, xy_buffer_r8, |
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I filePrec, dUnit, irec, narr, myThid ) |
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ELSE |
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WRITE(msgBuf,'(A)') |
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& ' MDSREADVECTOR: illegal value for arrType' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R MDSREADVECTOR' |
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ENDIF |
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IF (.NOT. globalFile) THEN |
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CLOSE( dUnit ) |
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fileIsOpen = .FALSE. |
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ENDIF |
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ENDIF |
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C End of bi,bj loops |
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c ENDDO |
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c ENDDO |
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|
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C If global file was opened then close it |
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IF (fileIsOpen .AND. globalFile) THEN |
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CLOSE( dUnit ) |
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fileIsOpen = .FALSE. |
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ENDIF |
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|
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_END_MASTER( myThid ) |
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|
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ENDIF |
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C end-if ( .not. useSingleCPUIO ) |
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|
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|
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C ------------------------------------------------------------------ |
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|
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|
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IF ( useSingleCPUIO ) THEN |
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|
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C master thread of process 0, only, opens a global file |
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_BEGIN_MASTER( myThid ) |
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#ifdef ALLOW_USE_MPI |
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IF( mpiMyId .EQ. 0 ) THEN |
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#else |
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IF ( .TRUE. ) THEN |
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#endif /* ALLOW_USE_MPI */ |
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|
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C Check first for global file with simple name (ie. fName) |
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dataFName = fName |
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INQUIRE( file=dataFName, exist=exst ) |
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IF (exst) globalFile = .TRUE. |
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|
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C If negative check for global file with MDS name (ie. fName.data) |
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IF (.NOT. globalFile) THEN |
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WRITE(dataFName,'(2a)') fName(1:IL),'.data' |
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INQUIRE( file=dataFName, exist=exst ) |
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IF (exst) globalFile = .TRUE. |
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ENDIF |
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|
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C If global file is visible to process 0, then open it here. |
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C Otherwise stop program. |
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IF ( globalFile) THEN |
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length_of_rec=MDS_RECLEN( filePrec, vec_size, myThid ) |
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OPEN( dUnit, file=dataFName, status='old', |
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& access='direct', recl=length_of_rec ) |
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ELSE |
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WRITE(msgBuf,'(2A)') |
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& ' MDSREADVECTOR: filename: ',dataFName(1:IL) |
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C-jmc: why double print (stdout + stderr) ? |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , myThid ) |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(A)') |
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& ' MDSREADVECTOR: File does not exist' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , myThid ) |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R MDSREADVECTOR' |
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ENDIF |
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|
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ENDIF |
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_END_MASTER( myThid ) |
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|
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DO k=1,1 |
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|
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_BEGIN_MASTER( myThid ) |
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#ifdef ALLOW_USE_MPI |
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IF( mpiMyId .EQ. 0 ) THEN |
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#else |
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IF ( .TRUE. ) THEN |
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#endif /* ALLOW_USE_MPI */ |
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irec = irecord |
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IF (filePrec .EQ. precFloat32) THEN |
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READ(dUnit,rec=irec) xy_buffer_r4 |
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#ifdef _BYTESWAPIO |
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CALL MDS_BYTESWAPR4( vec_size, xy_buffer_r4 ) |
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#endif |
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cph#if defined(ALLOW_EXCH2) && !defined(MISSING_TILE_IO) |
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c |
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cph#else /* defined(ALLOW_EXCH2) && !defined(MISSING_TILE_IO) */ |
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DO L=1,narr*nPx*nPy |
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global(L) = xy_buffer_r4(L) |
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ENDDO |
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cph#endif /* defined(ALLOW_EXCH2) && !defined(MISSING_TILE_IO) */ |
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ELSEIF (filePrec .EQ. precFloat64) THEN |
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READ(dUnit,rec=irec) xy_buffer_r8 |
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#ifdef _BYTESWAPIO |
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CALL MDS_BYTESWAPR8( vec_size, xy_buffer_r8 ) |
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#endif |
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cph#if defined(ALLOW_EXCH2) && !defined(MISSING_TILE_IO) |
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c |
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cph#else /* defined(ALLOW_EXCH2) && !defined(MISSING_TILE_IO) */ |
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DO L=1,narr*nPx*nPy |
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global(L) = xy_buffer_r8(L) |
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ENDDO |
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cph#endif /* defined(ALLOW_EXCH2) && !defined(MISSING_TILE_IO) */ |
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ELSE |
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WRITE(msgBuf,'(A)') |
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& ' MDSREADVECTOR: illegal value for filePrec' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R MDSREADVECTOR' |
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ENDIF |
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ENDIF |
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_END_MASTER( myThid ) |
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CALL SCATTER_VECTOR( narr,global,local,myThid ) |
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IF ( arrType.EQ.'RS' ) THEN |
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CALL MDS_BUFFERtoRS( local, arr, narr, .TRUE., myThid ) |
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ELSEIF ( arrType.EQ.'RL' ) THEN |
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CALL MDS_BUFFERtoRL( local, arr, narr, .TRUE., myThid ) |
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ELSE |
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WRITE(msgBuf,'(A)') |
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& ' MDSREADVECTOR: illegal value for arrType' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R MDSREADVECTOR' |
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ENDIF |
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|
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ENDDO |
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C end-do k=1,1 |
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|
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_BEGIN_MASTER( myThid ) |
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CLOSE( dUnit ) |
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_END_MASTER( myThid ) |
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|
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ENDIF |
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C end-if ( useSingleCPUIO ) |
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|
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#else /* ALLOW_AUTODIFF */ |
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STOP 'ABNORMAL END: S/R MDSREADVECTOR is empty' |
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#endif /* ALLOW_AUTODIFF */ |
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|
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RETURN |
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END |
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