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C $Header: /u/gcmpack/MITgcm_contrib/eh3_spgr/hs94.cs-32x32x5/code_v2/w2_read_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_READ_ATOPO |
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|
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C !INTERFACE: |
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SUBROUTINE W2_READ_ATOPO |
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|
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C !DESCRIPTION: |
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C Read in the EXCH2 tile topology information from a "flat" ascii |
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C text file that contains a version string to make the addition of |
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C topology data much easier and more flexible. |
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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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CHARACTER*(MAX_LEN_PREC) line |
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INTEGER ii, jj, k, it, ntile, nneigh |
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|
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C Intialize GEx affine transformation matrix |
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DO ii = 1,8 |
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DO jj = 1,4 |
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GEx_affm(jj,ii) = 0 |
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ENDDO |
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ENDDO |
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C ------------------- 1 : I |
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GEx_affm(1,1) = 1 |
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GEx_affm(4,1) = 1 |
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C ------------------- 2 : Iu- |
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GEx_affm(1,2) = -1 |
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GEx_affm(4,2) = 1 |
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C ------------------- 3 : Iv- |
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GEx_affm(1,3) = 1 |
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GEx_affm(4,3) = -1 |
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C ------------------- 4 : -I |
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GEx_affm(1,4) = -1 |
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GEx_affm(4,4) = -1 |
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C ------------------- 5 : P |
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GEx_affm(2,5) = 1 |
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GEx_affm(3,5) = 1 |
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C ------------------- 6 : Pu- |
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GEx_affm(2,6) = -1 |
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GEx_affm(3,6) = 1 |
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C ------------------- 7 : Pv- |
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GEx_affm(2,7) = 1 |
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GEx_affm(3,7) = -1 |
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C ------------------- 8 : -P |
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GEx_affm(2,8) = -1 |
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GEx_affm(3,8) = -1 |
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|
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C Make scratch copies of input data file with and without comments |
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#ifdef TARGET_BGL |
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OPEN(UNIT=scrUnit1,FILE='scratch1',STATUS='UNKNOWN') |
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#else |
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OPEN(UNIT=scrUnit1,STATUS='SCRATCH') |
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#endif |
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IL = ILNBLNK(W2_ATOPO_FNAME) |
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OPEN(UNIT=eeDataUnit,FILE=W2_ATOPO_FNAME(1:IL), |
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& STATUS='OLD',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_READ_ATOPO' |
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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 ASCII topology' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(3A)') |
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& '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_READ_ATOPO' |
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200 CONTINUE |
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300 CONTINUE |
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READ(eeDataUnit,FMT='(A)',END=400) LINE |
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IL = MAX(ILNBLNK(LINE),1) |
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IF ( LINE(1:1) .NE. commentCharacter ) THEN |
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WRITE(UNIT=scrUnit1,FMT='(A)') LINE(:IL) |
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ENDIF |
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GOTO 300 |
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400 CONTINUE |
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CLOSE(eeDataUnit) |
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|
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iUnit = scrUnit1 |
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REWIND(iUnit) |
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450 READ(UNIT=iUnit,FMT='(A)',END=500) LINE |
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IF ( LINE(1:9) .EQ. 'EXCH2TOPO' ) GOTO 600 |
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GOTO 450 |
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500 CONTINUE |
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#ifndef TARGET_PWR3 |
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WRITE(msgBuf,'(A)') |
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& 'S/R W2_READ_ATOPO' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Error reading execution environment ASCII topology' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(3A)') |
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& 'file "',W2_ATOPO_FNAME(1:IL),'"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Cannot locate the topology header string' |
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CALL PRINT_ERROR( msgBuf , 1) |
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STOP 'ABNORMAL END: S/R W2_READ_ATOPO' |
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#endif |
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|
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600 CONTINUE |
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C Parse 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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|
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650 FORMAT(10i12) |
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|
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IF ( LINE(15:17) .EQ. '001' ) GOTO 700 |
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C Other versions go here... |
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|
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GOTO 900 |
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|
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700 CONTINUE |
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C VERSION : "001" |
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READ(iUnit,650) ntile |
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DO k = 1,ntile |
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|
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READ(iUnit,650) it |
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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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READ(iUnit,650) exch2_myFace(it), |
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& exch2_isNedge(it), exch2_isSedge(it), |
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& exch2_isEedge(it), exch2_isWedge(it) |
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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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READ(iUnit,650) |
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& exch2_tnx(it), exch2_tny(it), |
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& exch2_mydnx(it), exch2_mydny(it) |
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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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READ(iUnit,650) |
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& exch2_txglobalo(it), exch2_tyglobalo(it), |
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& exch2_tbasex(it), exch2_tbasey(it), |
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& exch2_nNeighbours(it) |
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nneigh = exch2_nNeighbours(it) |
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C exch2_neighbourId = 3, 6, 2, 5 ; |
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READ(iUnit,650) |
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& (exch2_neighbourId(ii,it), ii=1,nneigh) |
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C exch2_pi = 0, -1, 1, 0, 1, 0, 0, 1 ; |
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READ(iUnit,650) |
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& ((exch2_pi(jj,ii,it), 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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READ(iUnit,650) |
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& ((exch2_pj(jj,ii,it), jj=1,2), ii=1,nneigh) |
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C exch2_oi = 33, 0, 32, -32 ; |
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READ(iUnit,650) |
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& (exch2_oi(ii,it), ii=1,nneigh) |
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C exch2_oj = 32, -32, 0, 33 ; |
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READ(iUnit,650) |
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& (exch2_oj(ii,it), ii=1,nneigh) |
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C exch2_oi_f = 34, 0, 32, -32 ; |
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READ(iUnit,650) |
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& (exch2_oi_f(ii,it), ii=1,nneigh) |
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C exch2_oj_f = 32, -32, 0, 34 ; |
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READ(iUnit,650) |
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& (exch2_oj_f(ii,it), ii=1,nneigh) |
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C XXX exch2_itlo_c = 0, 33 ; |
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READ(iUnit,650) |
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& (exch2_itlo_c(ii,it), ii=1,nneigh) |
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C XXX exch2_ithi_c = 0, 0 ; |
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READ(iUnit,650) |
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& (exch2_ithi_c(ii,it), ii=1,nneigh) |
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C XXX exch2_jtlo_c = 0, 33 ; |
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READ(iUnit,650) |
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& (exch2_jtlo_c(ii,it), ii=1,nneigh) |
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C XXX exch2_jthi_c = 0, 0 ; |
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READ(iUnit,650) |
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& (exch2_jthi_c(ii,it), ii=1,nneigh) |
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C XXX exch2_opposingSend_record = 4, 1, 4, 1 ; |
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READ(iUnit,650) |
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& (exch2_opposingSend_record(ii,it), ii=1,nneigh) |
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|
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ENDDO |
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|
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C CALL W2_WRITE_ATOPO |
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|
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GOTO 999 |
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|
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900 CONTINUE |
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C Unknown version string |
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WRITE(msgBuf,'(A)') |
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& 'S/R W2_READ_ATOPO' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(3A)') |
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& ' Error: EXCH2TOPO version string "', LINE(1:9), '"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& ' is not understood' |
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CALL PRINT_ERROR( msgBuf , 1) |
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STOP 'ABNORMAL END: S/R W2_READ_ATOPO' |
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|
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999 CONTINUE |
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CLOSE(iUnit) |
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|
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RETURN |
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END |
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