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C $Header: /u/u0/gcmpack/MITgcm/eesupp/src/eeset_parms.F,v 1.15 2003/12/15 02:02:39 jmc Exp $ |
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C $Name: $ |
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#include "CPP_EEOPTIONS.h" |
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CBOP |
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C !ROUTINE: EESET_PARMS |
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C !INTERFACE: |
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SUBROUTINE EESET_PARMS |
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IMPLICIT NONE |
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C !DESCRIPTION: |
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C *==========================================================* |
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C | SUBROUTINE EESET_PARMS |
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C | o Routine to set model "parameters" |
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C *==========================================================* |
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C | This routine is called from the high-level wrapper |
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C | after multi-process paralle processing has started but |
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C | before multi-threaded parallelism. THe routine reads an |
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C | an "execution environment" input parameter file holding |
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C | information about the number of threads at run-time. |
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C *==========================================================* |
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C !USES: |
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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 "EESUPPORT.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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C !LOCAL VARIABLES: |
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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 record :: Temp. for textual I/O |
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INTEGER IL |
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INTEGER errIO |
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INTEGER iUnit |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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CHARACTER*(MAX_LEN_PREC) record |
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NAMELIST /EEPARMS/ |
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& nTx, nTy, usingMPI, useCoupler, useCubedSphereExchange |
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CEOP |
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C-- For now these options are fixed as the code does |
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C not fully support features for overlapping communication |
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C and computation. |
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usingSyncMessages = .TRUE. |
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C-- Text map plots of fields ignore exact zero values |
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printMapIncludesZeros = .FALSE. |
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C-- The remaining parameters here are set to default values. |
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C-- and then any different values are read from an input |
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C-- file called "eedata". |
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C The defaults set here are for serial execution. |
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C |
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C nTx and nTy are the number of threads in the X and Y |
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C directions. |
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C nSx/nTx and nSy/nTy be whole numbers at present. |
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C |
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C notUsingXPeriodicity and notUsingYPeriodicity affect |
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C the identifying of neighbor processes in a multi-process |
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C mode. On the whole the numerical model code should not |
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C customise itself based on these numbers as they may be |
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C removed if they do not prove useful. |
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C |
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C usingMPI is a flag which controls whether MPI message |
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C passing library calls are actually made. Note that under |
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C MPI it is necessary to start a program a special way - |
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C normally using a command of the form |
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C % mpirun program_name |
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C If usingMPI is set to TRUE but % mpirun .... was not |
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C used to launch the program then an internal MPI error |
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C may be generated when the first MPI call ( CALL MPI_Init ) |
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C is made. |
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C |
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C useCoupler is a flag which controls communications with other |
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C model components through a coupler interface. |
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C |
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notUsingXPeriodicity = .FALSE. |
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notUsingYPeriodicity = .FALSE. |
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useCubedSphereExchange = .FALSE. |
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usingMPI = .FALSE. |
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useCoupler = .FALSE. |
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useCoupler = .TRUE. |
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nTx = 1 |
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nTy = 1 |
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C-- Read in data from eedata file |
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C We really ought to be using our environment file reading |
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C package - but we have not written it yet. |
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C Make scratch copies of input data file with and without comments |
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OPEN(UNIT=scrUnit1,STATUS='SCRATCH') |
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OPEN(UNIT=scrUnit2,STATUS='SCRATCH') |
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OPEN(UNIT=eeDataUnit,FILE='eedata',STATUS='OLD', |
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& err=1,IOSTAT=errIO) |
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IF ( errIO .GE. 0 ) GOTO 2 |
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1 CONTINUE |
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WRITE(msgBuf,'(A)') |
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& 'S/R EESET_PARMS' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Unable to open execution environment' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'parameter file "eedata"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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CALL EEDATA_EXAMPLE |
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STOP 'ABNORMAL END: S/R EESET_PARMS' |
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2 CONTINUE |
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1000 CONTINUE |
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READ(eeDataUnit,FMT='(A)',END=1001) RECORD |
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IL = MAX(ILNBLNK(RECORD),1) |
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IF ( RECORD(1:1) .NE. commentCharacter ) |
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& WRITE(UNIT=scrUnit1,FMT='(A)') RECORD(:IL) |
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WRITE(UNIT=scrUnit2,FMT='(A)') RECORD(:IL) |
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GOTO 1000 |
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1001 CONTINUE |
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CLOSE(eeDataUnit) |
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C-- Report contents of parameter file |
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WRITE(msgBuf,'(A)') |
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& '// =======================================================' |
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CALL PRINT_MESSAGE(msgBuf, standardMessageUnit, SQUEEZE_RIGHT , 1) |
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WRITE(msgBuf,'(A)') |
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& '// Execution Environment parameter file "eedata"' |
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CALL PRINT_MESSAGE(msgBuf, standardMessageUnit, SQUEEZE_RIGHT , 1) |
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WRITE(msgBuf,'(A)') |
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& '// =======================================================' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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iUnit = scrUnit2 |
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REWIND(iUnit) |
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2000 CONTINUE |
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READ(UNIT=iUnit,FMT='(A)',END=2001) RECORD |
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IL = MAX(ILNBLNK(RECORD),1) |
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WRITE(msgBuf,'(A,A)') '>',RECORD(:IL) |
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CALL PRINT_MESSAGE(msgBuf,standardMessageUnit, SQUEEZE_RIGHT , 1) |
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GOTO 2000 |
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2001 CONTINUE |
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CLOSE(iUnit) |
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WRITE(msgBuf,'(A)') ' ' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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iUnit = scrUnit1 |
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REWIND(iUnit) |
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READ(UNIT=iUnit,NML=EEPARMS,IOSTAT=errIO,err=3) |
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IF ( errIO .GE. 0 ) GOTO 4 |
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3 CONTINUE |
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#ifndef TARGET_PWR3 |
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WRITE(msgBuf,'(A)') |
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& 'S/R EESET_PARMS' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Error reading execution environment ' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'parameter file "eedata"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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CALL EEDATA_EXAMPLE |
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STOP 'ABNORMAL END: S/R EESET_PARMS' |
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#endif |
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4 CONTINUE |
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C-- Execution Environment parameter file read |
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CLOSE(iUnit) |
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Cdbg eeDataUnit = 42 |
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Cdbg OPEN(UNIT=eeDataUnit,FILE='eedata',STATUS='OLD',IOSTAT=errIO) |
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Cdbg IF ( errIO .LT. 0 ) GOTO 11 |
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Cdbg DO K=1, 10 |
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Cdbg READ(eedataUnit,IOSTAT=errIO) |
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Cdbg IF ( errIO .LT. 0 ) GOTO 11 |
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Cdbg ENDDO |
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Cdbg READ(eedataUnit,FMT='(30X,1X,L23)',IOSTAT=errIO) notUsingXPeriodicity |
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Cdbg IF ( errIO .LT. 0 ) GOTO 11 |
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Cdbg READ(eedataUnit,FMT='(30X,1X,L23)',IOSTAT=errIO) notUsingYPeriodicity |
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Cdbg IF ( errIO .LT. 0 ) GOTO 11 |
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Cdbg READ(eedataUnit,FMT='(30X,1X,L23)',IOSTAT=errIO) usingMPI |
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Cdbg IF ( errIO .LT. 0 ) GOTO 11 |
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Cdbg READ(eedataUnit,FMT='(30X,1X,I3)',IOSTAT=errIO) nTx |
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Cdbg IF ( errIO .LT. 0 ) GOTO 11 |
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Cdbg READ(eedataUnit,FMT='(30X,1X,I3)',IOSTAT=errIO) nTy |
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Cdbg IF (errIO .LT. 0 ) eeBootError = .TRUE. |
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Cdbg CLOSE(eeDataUnit,IOSTAT=errIO) |
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Cdbg IF ( eeBootError .OR. errIO .LT. 0 ) THEN |
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C-- Report that an error occured |
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Cdbg eeBootError = .TRUE. |
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Cdbg WRITE(msgBuf,'(A)' ) |
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Cdbg & 'S/R EESET_PARMS: Error reading "eedata" execution environment file' |
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Cdbg CALL PRINT_ERROR( msgBuf , 1) |
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Cdbg ELSE |
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C-- Write summary of settings that were selected |
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Cdbg ENDIF |
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C |
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C |
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RETURN |
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END |
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