| 1 |
heimbach |
1.11 |
C $Header: /u/gcmpack/MITgcm/pkg/mdsio/mdsio_readvector.F,v 1.10 2006/06/07 21:13:46 heimbach Exp $ |
| 2 |
heimbach |
1.2 |
C $Name: $ |
| 3 |
adcroft |
1.1 |
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| 4 |
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#include "MDSIO_OPTIONS.h" |
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SUBROUTINE MDSREADVECTOR( |
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I fName, |
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I filePrec, |
| 9 |
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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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C |
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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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ce bi integer x tile index |
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ce 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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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" |
| 40 |
heimbach |
1.6 |
#include "EESUPPORT.h" |
| 41 |
adcroft |
1.1 |
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| 42 |
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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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heimbach |
1.9 |
_RL arr(narr) |
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adcroft |
1.1 |
integer irecord |
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integer myThid |
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ce |
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integer bi,bj |
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ce |
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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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jmc |
1.8 |
character*(MAX_LEN_FNAM) dataFName,pfName |
| 59 |
heimbach |
1.3 |
integer iG,jG,irec,dUnit,IL,pIL |
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adcroft |
1.1 |
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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heimbach |
1.6 |
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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 nNz |
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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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adcroft |
1.1 |
C ------------------------------------------------------------------ |
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heimbach |
1.6 |
vec_size = narr*nPx*nPy |
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nNz = 1 |
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adcroft |
1.1 |
C Only do I/O if I am the master thread |
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_BEGIN_MASTER( myThid ) |
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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_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , 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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C Assume nothing |
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globalFile = .FALSE. |
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fileIsOpen = .FALSE. |
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heimbach |
1.3 |
IL = ILNBLNK( fName ) |
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pIL = ILNBLNK( mdsioLocalDir ) |
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C Assign special directory |
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if ( mdsioLocalDir .NE. ' ' ) then |
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jmc |
1.8 |
write(pFname,'(2a)') |
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heimbach |
1.4 |
& mdsioLocalDir(1:pIL), fName(1:IL) |
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heimbach |
1.3 |
else |
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pFname= fName |
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endif |
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pIL=ILNBLNK( pfName ) |
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adcroft |
1.1 |
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| 111 |
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C Assign a free unit number as the I/O channel for this routine |
| 112 |
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call MDSFINDUNIT( dUnit, mythid ) |
| 113 |
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| 114 |
heimbach |
1.6 |
if ( .not. useSingleCPUIO ) then |
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adcroft |
1.1 |
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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heimbach |
1.5 |
if ( debugLevel .GE. debLevB ) then |
| 121 |
heimbach |
1.3 |
write(msgbuf,'(a,a)') |
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jmc |
1.8 |
& ' MDSREADVECTOR: opening global file: ',dataFName(1:IL) |
| 123 |
heimbach |
1.3 |
call print_message( msgbuf, standardmessageunit, |
| 124 |
adcroft |
1.1 |
& SQUEEZE_RIGHT , mythid) |
| 125 |
heimbach |
1.3 |
endif |
| 126 |
adcroft |
1.1 |
globalFile = .TRUE. |
| 127 |
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endif |
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C If negative check for global file with MDS name (ie. fName.data) |
| 130 |
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if (.NOT. globalFile) then |
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jmc |
1.8 |
write(dataFname,'(2a)') fName(1:IL),'.data' |
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adcroft |
1.1 |
inquire( file=dataFname, exist=exst ) |
| 133 |
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if (exst) then |
| 134 |
heimbach |
1.5 |
if ( debugLevel .GE. debLevB ) then |
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adcroft |
1.1 |
write(msgbuf,'(a,a)') |
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jmc |
1.8 |
& ' MDSREADVECTOR: opening global file: ',dataFName(1:IL+5) |
| 137 |
adcroft |
1.1 |
call print_message( msgbuf, standardmessageunit, |
| 138 |
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& SQUEEZE_RIGHT , mythid) |
| 139 |
heimbach |
1.3 |
endif |
| 140 |
adcroft |
1.1 |
globalFile = .TRUE. |
| 141 |
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endif |
| 142 |
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endif |
| 143 |
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| 144 |
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C If we are reading from a global file then we open it here |
| 145 |
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if (globalFile) then |
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length_of_rec=MDS_RECLEN( filePrec, narr, mythid ) |
| 147 |
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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. |
| 150 |
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endif |
| 151 |
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| 152 |
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C Loop over all tiles |
| 153 |
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ce do bj=1,nSy |
| 154 |
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ce do bi=1,nSx |
| 155 |
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C If we are reading from a tiled MDS file then we open each one here |
| 156 |
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if (.NOT. globalFile) then |
| 157 |
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iG=bi+(myXGlobalLo-1)/sNx ! Kludge until unstructered tiles |
| 158 |
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jG=bj+(myYGlobalLo-1)/sNy ! Kludge until unstructered tiles |
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jmc |
1.8 |
write(dataFname,'(2a,i3.3,a,i3.3,a)') |
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heimbach |
1.3 |
& pfName(1:pIL),'.',iG,'.',jG,'.data' |
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adcroft |
1.1 |
inquire( file=dataFname, exist=exst ) |
| 162 |
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C Of course, we only open the file if the tile is "active" |
| 163 |
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C (This is a place-holder for the active/passive mechanism) |
| 164 |
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if (exst) then |
| 165 |
heimbach |
1.5 |
if ( debugLevel .GE. debLevB ) then |
| 166 |
heimbach |
1.3 |
write(msgbuf,'(a,a)') |
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jmc |
1.8 |
& ' MDSREADVECTOR: opening file: ',dataFName(1:pIL+13) |
| 168 |
heimbach |
1.3 |
call print_message( msgbuf, standardmessageunit, |
| 169 |
adcroft |
1.1 |
& SQUEEZE_RIGHT , mythid) |
| 170 |
heimbach |
1.3 |
endif |
| 171 |
adcroft |
1.1 |
length_of_rec=MDS_RECLEN( filePrec, narr, mythid ) |
| 172 |
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open( dUnit, file=dataFName, status='old', |
| 173 |
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& access='direct', recl=length_of_rec ) |
| 174 |
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fileIsOpen=.TRUE. |
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else |
| 176 |
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fileIsOpen=.FALSE. |
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jmc |
1.8 |
write(msgbuf,'(4a)') |
| 178 |
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& ' MDSREADVECTOR: opening file: ',fName(1:IL), |
| 179 |
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& ' , ',dataFName(1:pIL+13) |
| 180 |
heimbach |
1.2 |
call print_message( msgbuf, standardmessageunit, |
| 181 |
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& SQUEEZE_RIGHT , mythid) |
| 182 |
adcroft |
1.1 |
write(msgbuf,'(a)') |
| 183 |
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& ' MDSREADVECTOR: un-active tiles not implemented yet' |
| 184 |
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call print_error( msgbuf, mythid ) |
| 185 |
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stop 'ABNORMAL END: S/R MDSREADVECTOR' |
| 186 |
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endif |
| 187 |
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endif |
| 188 |
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if (fileIsOpen) then |
| 189 |
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if (globalFile) then |
| 190 |
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iG = myXGlobalLo-1+(bi-1)*sNx |
| 191 |
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jG = myYGlobalLo-1+(bj-1)*sNy |
| 192 |
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irec = 1 + int(iG/sNx) + (jG/sNy)*nSx*nPx + |
| 193 |
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& (irecord-1)*nSx*nPx*nSy*nPy |
| 194 |
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else |
| 195 |
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iG = 0 |
| 196 |
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jG = 0 |
| 197 |
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irec = irecord |
| 198 |
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endif |
| 199 |
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if (filePrec .eq. precFloat32) then |
| 200 |
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call MDS_READ_RS_VEC( dUnit, irec, narr, arr, myThid ) |
| 201 |
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elseif (filePrec .eq. precFloat64) then |
| 202 |
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call MDS_READ_RL_VEC( dUnit, irec, narr, arr, myThid ) |
| 203 |
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else |
| 204 |
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write(msgbuf,'(a)') |
| 205 |
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& ' MDSREADVECTOR: illegal value for filePrec' |
| 206 |
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call print_error( msgbuf, mythid ) |
| 207 |
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stop 'ABNORMAL END: S/R MDSREADVECTOR' |
| 208 |
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endif |
| 209 |
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if (.NOT. globalFile) then |
| 210 |
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close( dUnit ) |
| 211 |
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fileIsOpen = .FALSE. |
| 212 |
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endif |
| 213 |
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endif |
| 214 |
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C End of bi,bj loops |
| 215 |
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ce enddo |
| 216 |
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ce enddo |
| 217 |
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| 218 |
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C If global file was opened then close it |
| 219 |
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if (fileIsOpen .AND. globalFile) then |
| 220 |
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close( dUnit ) |
| 221 |
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fileIsOpen = .FALSE. |
| 222 |
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endif |
| 223 |
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| 224 |
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_END_MASTER( myThid ) |
| 225 |
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| 226 |
heimbach |
1.6 |
endif |
| 227 |
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c endif ( .not. useSingleCPUIO ) |
| 228 |
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| 229 |
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| 230 |
adcroft |
1.1 |
C ------------------------------------------------------------------ |
| 231 |
heimbach |
1.6 |
|
| 232 |
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| 233 |
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if ( useSingleCPUIO ) then |
| 234 |
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| 235 |
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C master thread of process 0, only, opens a global file |
| 236 |
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_BEGIN_MASTER( myThid ) |
| 237 |
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#ifdef ALLOW_USE_MPI |
| 238 |
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IF( mpiMyId .EQ. 0 ) THEN |
| 239 |
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#else |
| 240 |
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IF ( .TRUE. ) THEN |
| 241 |
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#endif /* ALLOW_USE_MPI */ |
| 242 |
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| 243 |
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C Check first for global file with simple name (ie. fName) |
| 244 |
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dataFName = fName |
| 245 |
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inquire( file=dataFname, exist=exst ) |
| 246 |
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if (exst) globalFile = .TRUE. |
| 247 |
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| 248 |
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C If negative check for global file with MDS name (ie. fName.data) |
| 249 |
|
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if (.NOT. globalFile) then |
| 250 |
jmc |
1.8 |
write(dataFname,'(2a)') fName(1:IL),'.data' |
| 251 |
heimbach |
1.6 |
inquire( file=dataFname, exist=exst ) |
| 252 |
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if (exst) globalFile = .TRUE. |
| 253 |
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endif |
| 254 |
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| 255 |
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C If global file is visible to process 0, then open it here. |
| 256 |
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C Otherwise stop program. |
| 257 |
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if ( globalFile) then |
| 258 |
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length_of_rec=MDS_RECLEN( filePrec, vec_size, mythid ) |
| 259 |
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open( dUnit, file=dataFName, status='old', |
| 260 |
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& access='direct', recl=length_of_rec ) |
| 261 |
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else |
| 262 |
jmc |
1.8 |
write(msgbuf,'(2a)') |
| 263 |
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& ' MDSREADFIELD: filename: ',dataFName(1:IL) |
| 264 |
heimbach |
1.6 |
call print_message( msgbuf, standardmessageunit, |
| 265 |
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& SQUEEZE_RIGHT , mythid) |
| 266 |
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call print_error( msgbuf, mythid ) |
| 267 |
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write(msgbuf,'(a)') |
| 268 |
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& ' MDSREADFIELD: File does not exist' |
| 269 |
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call print_message( msgbuf, standardmessageunit, |
| 270 |
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& SQUEEZE_RIGHT , mythid) |
| 271 |
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call print_error( msgbuf, mythid ) |
| 272 |
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stop 'ABNORMAL END: S/R MDSREADFIELD' |
| 273 |
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endif |
| 274 |
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| 275 |
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ENDIF |
| 276 |
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_END_MASTER( myThid ) |
| 277 |
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| 278 |
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DO k=1,1 |
| 279 |
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| 280 |
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_BEGIN_MASTER( myThid ) |
| 281 |
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#ifdef ALLOW_USE_MPI |
| 282 |
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IF( mpiMyId .EQ. 0 ) THEN |
| 283 |
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#else |
| 284 |
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IF ( .TRUE. ) THEN |
| 285 |
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#endif /* ALLOW_USE_MPI */ |
| 286 |
|
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irec = irecord |
| 287 |
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if (filePrec .eq. precFloat32) then |
| 288 |
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read(dUnit,rec=irec) xy_buffer_r4 |
| 289 |
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#ifdef _BYTESWAPIO |
| 290 |
|
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call MDS_BYTESWAPR4( vec_size, xy_buffer_r4 ) |
| 291 |
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#endif |
| 292 |
heimbach |
1.11 |
cph#if defined(ALLOW_EXCH2) && !defined(MISSING_TILE_IO) |
| 293 |
heimbach |
1.6 |
c |
| 294 |
heimbach |
1.11 |
cph#else /* defined(ALLOW_EXCH2) && !defined(MISSING_TILE_IO) */ |
| 295 |
heimbach |
1.6 |
DO L=1,narr*nPx*nPy |
| 296 |
|
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global(L) = xy_buffer_r4(L) |
| 297 |
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ENDDO |
| 298 |
heimbach |
1.11 |
cph#endif /* defined(ALLOW_EXCH2) && !defined(MISSING_TILE_IO) */ |
| 299 |
heimbach |
1.6 |
elseif (filePrec .eq. precFloat64) then |
| 300 |
|
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read(dUnit,rec=irec) xy_buffer_r8 |
| 301 |
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#ifdef _BYTESWAPIO |
| 302 |
|
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call MDS_BYTESWAPR8( vec_size, xy_buffer_r8 ) |
| 303 |
|
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#endif |
| 304 |
heimbach |
1.11 |
cph#if defined(ALLOW_EXCH2) && !defined(MISSING_TILE_IO) |
| 305 |
heimbach |
1.6 |
c |
| 306 |
heimbach |
1.11 |
cph#else /* defined(ALLOW_EXCH2) && !defined(MISSING_TILE_IO) */ |
| 307 |
heimbach |
1.6 |
DO L=1,narr*nPx*nPy |
| 308 |
|
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global(L) = xy_buffer_r8(L) |
| 309 |
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ENDDO |
| 310 |
heimbach |
1.11 |
cph#endif /* defined(ALLOW_EXCH2) && !defined(MISSING_TILE_IO) */ |
| 311 |
heimbach |
1.6 |
else |
| 312 |
|
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write(msgbuf,'(a)') |
| 313 |
|
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& ' MDSREADFIELD: illegal value for filePrec' |
| 314 |
|
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call print_error( msgbuf, mythid ) |
| 315 |
|
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stop 'ABNORMAL END: S/R MDSREADFIELD' |
| 316 |
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endif |
| 317 |
|
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ENDIF |
| 318 |
|
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_END_MASTER( myThid ) |
| 319 |
|
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CALL SCATTER_VECTOR( narr,global,local,mythid ) |
| 320 |
|
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if (arrType .eq. 'RS') then |
| 321 |
|
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call PASStoRSvector( local,arr,narr,k,nNz,mythid ) |
| 322 |
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elseif (arrType .eq. 'RL') then |
| 323 |
|
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call PASStoRLvector( local,arr,narr,k,nNz,mythid ) |
| 324 |
|
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else |
| 325 |
|
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write(msgbuf,'(a)') |
| 326 |
|
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& ' MDSREADFIELD: illegal value for arrType' |
| 327 |
|
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call print_error( msgbuf, mythid ) |
| 328 |
|
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stop 'ABNORMAL END: S/R MDSREADFIELD' |
| 329 |
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endif |
| 330 |
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| 331 |
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ENDDO |
| 332 |
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c ENDDO k=1,nNz |
| 333 |
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| 334 |
|
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_BEGIN_MASTER( myThid ) |
| 335 |
|
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close( dUnit ) |
| 336 |
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_END_MASTER( myThid ) |
| 337 |
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| 338 |
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|
endif |
| 339 |
|
|
c endif ( useSingleCPUIO ) |
| 340 |
|
|
|
| 341 |
|
|
return |
| 342 |
|
|
end |
| 343 |
|
|
|
| 344 |
|
|
|
| 345 |
|
|
C ================================================================== |
| 346 |
|
|
|
| 347 |
|
|
subroutine passToRSvector(local,arr,narr,k,nNz,mythid) |
| 348 |
|
|
implicit none |
| 349 |
|
|
#include "EEPARAMS.h" |
| 350 |
|
|
#include "SIZE.h" |
| 351 |
|
|
|
| 352 |
|
|
integer narr |
| 353 |
|
|
_RL local(narr) |
| 354 |
jmc |
1.8 |
_RS arr(narr) |
| 355 |
|
|
integer k,nNz |
| 356 |
heimbach |
1.6 |
integer mythid |
| 357 |
|
|
|
| 358 |
jmc |
1.8 |
integer L |
| 359 |
|
|
|
| 360 |
heimbach |
1.6 |
DO L=1,narr |
| 361 |
|
|
arr(L) = local(L) |
| 362 |
|
|
ENDDO |
| 363 |
|
|
|
| 364 |
|
|
return |
| 365 |
|
|
end |
| 366 |
|
|
|
| 367 |
|
|
subroutine passToRLvector(local,arr,narr,k,nNz,mythid) |
| 368 |
|
|
implicit none |
| 369 |
|
|
#include "EEPARAMS.h" |
| 370 |
|
|
#include "SIZE.h" |
| 371 |
|
|
|
| 372 |
|
|
integer narr |
| 373 |
|
|
_RL local(narr) |
| 374 |
heimbach |
1.10 |
_RL arr(narr) |
| 375 |
jmc |
1.8 |
integer k,nNz |
| 376 |
heimbach |
1.6 |
integer mythid |
| 377 |
|
|
|
| 378 |
jmc |
1.8 |
integer L |
| 379 |
|
|
|
| 380 |
heimbach |
1.6 |
DO L=1,narr |
| 381 |
|
|
arr(L) = local(L) |
| 382 |
|
|
ENDDO |
| 383 |
|
|
|
| 384 |
adcroft |
1.1 |
return |
| 385 |
|
|
end |
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