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jmc |
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C $Header: $ |
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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: STOP_IF_ERROR |
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C !INTERFACE: |
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SUBROUTINE STOP_IF_ERROR( errFlag, errMsg, myThid ) |
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C !DESCRIPTION: |
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C *==========================================================* |
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C | SUBROUTINE STOP_IF_ERROR |
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C | o stop every Processes if flag is true |
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C *==========================================================* |
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C | Presently, gathering of error signal involves a |
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C | global_sum which could degrade performance if called too |
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C | many times. A potentially faster method (not implemented): |
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C | only the proc(s) in error send a non-blocking error signal |
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C | to everybody; however, this requires to check for error |
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C | signal reception before doing any communication. |
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C *==========================================================* |
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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 "EESUPPORT.h" |
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C !INPUT/OUTPUT PARAMETERS: |
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C errFlag :: stop if this logical flag is true |
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C errMsg :: error message to print in case it stops |
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C myThid :: my Thread Id number |
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LOGICAL errFlag |
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CHARACTER*(*) errMsg |
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INTEGER myThid |
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CEOP |
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C !FUNCTIONS |
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INTEGER ILNBLNK |
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EXTERNAL ILNBLNK |
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C == Local variables == |
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C msgBuf :: I/O Buffer |
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C errCount :: error counter |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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INTEGER errCount |
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#ifdef ALLOW_USE_MPI |
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C mpiRC :: Error code reporting variable used with MPI. |
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INTEGER mpiRC |
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#endif /* ALLOW_USE_MPI */ |
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C-- Collect error from all Threads and Procs |
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errCount = 0 |
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IF ( errFlag ) THEN |
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errCount = 1 |
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ENDIF |
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CALL GLOBAL_SUM_INT( errCount, myThid ) |
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IF ( errCount.GE.1 ) THEN |
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C-- Print message |
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IF ( errFlag ) CALL PRINT_ERROR( errMsg, myThid ) |
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WRITE(msgBuf,'(A,I5,A)') |
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& 'occurs', errCount, ' time(s) among all Threads and Procs' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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C-- Finishes |
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eeEndError = .TRUE. |
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fatalError = .TRUE. |
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#ifdef ALLOW_USE_MPI |
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#ifndef ALWAYS_USE_MPI |
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IF ( usingMPI ) THEN |
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#endif |
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CALL MPI_FINALIZE ( mpiRC ) |
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IF ( mpiRC .NE. MPI_SUCCESS ) THEN |
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WRITE(msgBuf,'(A,I5)') |
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& 'S/R FIN_PROCS: MPI_FINALIZE return code', mpiRC |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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ENDIF |
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#ifndef ALWAYS_USE_MPI |
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ENDIF |
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#endif |
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#endif /* ALLOW_USE_MPI */ |
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STOP 'ABNORMAL END: S/R STOP_IF_ERROR' |
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ENDIF |
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RETURN |
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END |
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