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edhill |
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C $Header: /u/gcmpack/MITgcm/pkg/ex3/ex3_atopo_read.F,v 1.3 2006/02/06 21:09:54 edhill Exp $ |
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C $Name: $ |
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#include "EX3_OPTIONS.h" |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: EX3_ATOPO_READ |
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C !INTERFACE: |
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SUBROUTINE EX3_ATOPO_READ |
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C !DESCRIPTION: |
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C Read in the EX3 tile topology information from a "flat" ASCII text |
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C file that contains a version string. |
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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 "EX3_SIZE.h" |
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#include "EX3_PARAMS.h" |
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#include "EX3_TOPOLOGY.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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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, kk, k, it, ntile, nneigh |
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C Intialize the affine transformation matrix |
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DO ii = 1,8 |
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DO jj = 1,4 |
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ex3_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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ex3_affm(1,1) = 1 |
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ex3_affm(4,1) = 1 |
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C ------------------- 2 : Iu- |
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ex3_affm(1,2) = -1 |
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ex3_affm(4,2) = 1 |
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C ------------------- 3 : Iv- |
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ex3_affm(1,3) = 1 |
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ex3_affm(4,3) = -1 |
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C ------------------- 4 : -I |
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ex3_affm(1,4) = -1 |
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ex3_affm(4,4) = -1 |
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C ------------------- 5 : P |
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ex3_affm(2,5) = 1 |
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ex3_affm(3,5) = 1 |
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C ------------------- 6 : Pu- |
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ex3_affm(2,6) = -1 |
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ex3_affm(3,6) = 1 |
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C ------------------- 7 : Pv- |
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ex3_affm(2,7) = 1 |
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ex3_affm(3,7) = -1 |
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C ------------------- 8 : -P |
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ex3_affm(2,8) = -1 |
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ex3_affm(3,8) = -1 |
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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(EX3_ATOPO_INAME) |
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OPEN(UNIT=eeDataUnit,FILE=EX3_ATOPO_INAME(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 EX3_ATOPO_READ' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Unable to open EX3 ASCII topology' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(3A)') |
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& 'file ''',EX3_ATOPO_INAME(1:IL),'''' |
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CALL PRINT_ERROR( msgBuf , 1) |
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STOP 'ABNORMAL END: S/R EX3_ATOPO_READ' |
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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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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(1:7) .EQ. 'EX3TOPO' ) 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 EX3_ATOPO_READ' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Error reading EX3 ASCII topology' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(3A)') |
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& 'file "',EX3_ATOPO_INAME(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 ''EX3TOPO'' header string' |
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CALL PRINT_ERROR( msgBuf , 1) |
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STOP 'ABNORMAL END: S/R EX3_ATOPO_READ' |
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#endif |
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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 = EX3TOPO ver 001 |
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C = === |
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650 FORMAT(10i12) |
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IF ( LINE(13:15) .EQ. '001' ) GOTO 700 |
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C Other versions go here... |
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GOTO 900 |
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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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READ(iUnit,650) it |
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READ(iUnit,650) |
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& ex3_t_iproc(it), ex3_t_ori(it), |
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& (ex3_t_nxy(ii,it), ii=1,2) |
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READ(iUnit,650) ex3_f_ind(it), |
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& (ex3_f_nxy(ii,it), ii=1,2), (ex3_f_oij(ii,it), ii=1,2) |
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READ(iUnit,650) ex3_e_n(it) |
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READ(iUnit,650) (ex3_e_iam(ii,it), ii=1,ex3_e_n(it)) |
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READ(iUnit,650) (ex3_e_iopt(ii,it), ii=1,ex3_e_n(it)) |
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READ(iUnit,650) (ex3_e_iope(ii,it), ii=1,ex3_e_n(it)) |
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DO ii = 1,ex3_e_n(it) |
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READ(iUnit,650) |
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& ((ex3_e_dat(kk,jj,ii,it), kk=1,3), jj=1,2) |
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ENDDO |
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READ(iUnit,650) (ex3_c_n(ii,it), ii=1,4) |
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DO ii = 1,4 |
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READ(iUnit,650) |
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& (ex3_c_ind(jj,ii,it), jj=1,ex3_c_n(ii,it)) |
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READ(iUnit,650) |
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& (ex3_c_num(jj,ii,it), jj=1,ex3_c_n(ii,it)) |
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READ(iUnit,650) |
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& (ex3_c_ori(jj,ii,it), jj=1,ex3_c_n(ii,it)) |
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ENDDO |
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ENDDO |
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GOTO 999 |
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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 EX3_ATOPO_READ' |
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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 EX3_ATOPO_READ' |
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999 CONTINUE |
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CLOSE(iUnit) |
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RETURN |
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END |
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