/[MITgcm]/MITgcm/pkg/mdsio/mdsio_writevec_loc.F
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Contents of /MITgcm/pkg/mdsio/mdsio_writevec_loc.F

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Revision 1.2 - (show annotations) (download)
Tue Dec 30 02:13:01 2008 UTC (15 years, 5 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint61h
Changes since 1.1: +65 -56 lines
change name of S/R MDSWRITEVEC_LOC_RS to MDS_WRITEVEC_LOC
and add argument "arrType" ; also use new S/R MDS_WR_REC_RL/RS.

1 C $Header: /u/gcmpack/MITgcm/pkg/mdsio/mdsio_writevec_loc.F,v 1.1 2005/10/30 21:12:20 jmc Exp $
2 C $Name: $
3
4 #include "MDSIO_OPTIONS.h"
5
6 SUBROUTINE MDS_WRITEVEC_LOC(
7 I fName,
8 I filePrec,
9 I arrType,
10 I nArr,
11 I arr,
12 I bi, bj,
13 I irecord,
14 I myIter,
15 I myThid )
16
17 C Arguments:
18 C
19 C fName string base name for file to written
20 C filePrec integer :: number of bits per word in file (32 or 64)
21 C nArr integer :: number of elements from input array "arr" to be written
22 C arrType char(2) :: declaration type of "arr": either "RS" or "RL"
23 C arr RS/RL :: array to WRITE, arr(nArr)
24 C bi,bj integer :: tile indices (if tiled array) or 0,0 if not a tiled array
25 C irecord integer :: record number to WRITE
26 C myIter integer :: time step number
27 C myThid integer :: my Thread Id number
28 C
29 C MDS_WRITEVEC_LOC creates either a file of the form "fName.data" and
30 C "fName.meta" IF bi=bj=0. Otherwise it creates MDS tiled files of the
31 C form "fName.xxx.yyy.data" and "fName.xxx.yyy.meta".
32 C A meta-file is always created.
33 C The precision of the file is decsribed by filePrec, set either
34 C to floatPrec32 or floatPrec64.
35 C irecord is the record number to be written and must be >= 1.
36
37 IMPLICIT NONE
38 C Global variables / common blocks
39 #include "SIZE.h"
40 #include "EEPARAMS.h"
41 #include "PARAMS.h"
42
43 C Routine arguments
44 CHARACTER*(*) fName
45 INTEGER filePrec
46 CHARACTER*(2) arrType
47 INTEGER nArr
48 _RL arr(*)
49 INTEGER bi,bj
50 INTEGER irecord
51 INTEGER myIter
52 INTEGER myThid
53 C Functions
54 INTEGER ILNBLNK
55 INTEGER MDS_RECLEN
56 EXTERNAL ILNBLNK
57 EXTERNAL MDS_RECLEN
58 C Local variables
59 CHARACTER*(MAX_LEN_FNAM) dataFName, metaFName, pfName
60 CHARACTER*(MAX_LEN_MBUF) msgBuf
61 LOGICAL fileIsOpen
62 INTEGER iG,jG,iRec,k,dUnit,IL,pIL
63 INTEGER dimList(3,3), nDims, map2gl(2)
64 INTEGER length_of_rec
65 INTEGER loc_size
66 PARAMETER( loc_size = Nx+Ny+Nr )
67 real*4 r4seg(loc_size)
68 real*8 r8seg(loc_size)
69
70 DATA map2gl / 0, 1 /
71
72 C Only DO I/O IF I am the master thread
73 _BEGIN_MASTER( myThid )
74 C-- we write a non-tiled array (bi=bj=0) only 1 time (if ProcId=0):
75 IF ( (myProcId.EQ.0 .AND. bi.EQ.0 .AND. bj.EQ.0)
76 & .OR. bi.NE.0 .OR. bj.NE.0 ) THEN
77
78 C Record number must be >= 1
79 IF (irecord .LT. 1) THEN
80 WRITE(msgBuf,'(A,I9)')
81 & ' MDS_WRITEVEC_LOC: argument irecord = ',irecord
82 CALL PRINT_ERROR( msgBuf, myThid )
83 WRITE(msgBuf,'(A)')
84 & ' MDS_WRITEVEC_LOC: invalid value for irecord'
85 CALL PRINT_ERROR( msgBuf, myThid )
86 STOP 'ABNORMAL END: S/R MDS_WRITEVEC_LOC'
87 ENDIF
88
89 C Assume nothing
90 fileIsOpen = .FALSE.
91 IL = ILNBLNK( fName )
92 iRec = irecord
93
94 C Check buffer size
95 IF ( nArr.GT.loc_size ) THEN
96 WRITE(msgBuf,'(3A)')
97 & ' MDS_WRITEVEC_LOC: writing to file "', fName(1:IL), '":'
98 CALL PRINT_ERROR( msgBuf, myThid )
99 WRITE(msgBuf,'(A,I9)')
100 & ' MDS_WRITEVEC_LOC: dim of arr to write=', nArr
101 CALL PRINT_ERROR( msgBuf, myThid )
102 WRITE(msgBuf,'(A,I9)')
103 & ' MDS_WRITEVEC_LOC: exceeds buffer size=', loc_size
104 CALL PRINT_ERROR( msgBuf, myThid )
105 STOP 'ABNORMAL END: S/R MDS_WRITEVEC_LOC'
106 ENDIF
107
108 C Assign special directory
109 IF ( mdsioLocalDir .NE. ' ' ) THEN
110 pIL = ILNBLNK( mdsioLocalDir )
111 WRITE(pFname,'(2A)') mdsioLocalDir(1:pIL), fName(1:IL)
112 pIL = IL + pIL
113 ELSE
114 WRITE(pFname,'(A)') fName(1:IL)
115 pIL = IL
116 ENDIF
117
118 C Assign a free unit number as the I/O channel for this routine
119 CALL MDSFINDUNIT( dUnit, myThid )
120
121 C-- Set the file Name:
122 IF ( bi.EQ.0 .AND. bj.EQ.0 ) THEN
123 C- we are writing a non-tiled array (bi=bj=0):
124 WRITE(dataFname,'(2A)') fName(1:IL),'.data'
125 ELSE
126 C- we are writing a tiled array (bi>0,bj>0):
127 iG=bi+(myXGlobalLo-1)/sNx
128 jG=bj+(myYGlobalLo-1)/sNy
129 WRITE(dataFname,'(2A,I3.3,A,I3.3,A)')
130 & pfName(1:pIL),'.',iG,'.',jG,'.data'
131 ENDIF
132
133 length_of_rec=MDS_RECLEN( filePrec, nArr, myThid )
134 IF (irecord .EQ. 1) THEN
135 OPEN( dUnit, file=dataFName, status=_NEW_STATUS,
136 & access='direct', recl=length_of_rec )
137 fileIsOpen=.TRUE.
138 ELSE
139 OPEN( dUnit, file=dataFName, status=_OLD_STATUS,
140 & access='direct', recl=length_of_rec )
141 fileIsOpen=.TRUE.
142 ENDIF
143 IF ( debugLevel.GE.debLevB ) THEN
144 WRITE(msgBuf,'(2A)')
145 & ' MDS_WRITEVEC_LOC: open file: ',dataFname(1:pIL+13)
146 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
147 & SQUEEZE_RIGHT , 1)
148 ENDIF
149
150 IF (fileIsOpen) THEN
151 IF ( arrType.EQ.'RS' ) THEN
152 CALL MDS_WR_REC_RS( arr, r4seg, r8seg,
153 I filePrec, dUnit, iRec, nArr, myThid )
154 ELSEIF ( arrType.EQ.'RL' ) THEN
155 CALL MDS_WR_REC_RL( arr, r4seg, r8seg,
156 I filePrec, dUnit, iRec, nArr, myThid )
157 ELSE
158 WRITE(msgBuf,'(A)')
159 & ' MDS_WRITEVEC_LOC: illegal value for arrType'
160 CALL PRINT_ERROR( msgBuf, myThid )
161 STOP 'ABNORMAL END: S/R MDS_WRITEVEC_LOC'
162 ENDIF
163 ELSE
164 WRITE(msgBuf,'(A)')
165 & ' MDS_WRITEVEC_LOC: should never reach this point'
166 CALL PRINT_ERROR( msgBuf, myThid )
167 STOP 'ABNORMAL END: S/R MDS_WRITEVEC_LOC'
168 ENDIF
169
170 C If we were writing to a tiled MDS file then we close it here
171 IF ( fileIsOpen ) THEN
172 CLOSE( dUnit )
173 fileIsOpen = .FALSE.
174 ENDIF
175
176 C Create meta-file for each tile IF we are tiling
177 IF ( bi.EQ.0 .AND. bj.EQ.0 ) THEN
178 C-- we are writing a non-tiled array (bi=bj=0):
179 WRITE(metaFname,'(2A)') fName(1:IL),'.meta'
180 dimList(1,1)=1
181 dimList(2,1)=1
182 dimList(3,1)=1
183 dimList(1,2)=1
184 dimList(2,2)=1
185 dimList(3,2)=1
186 ELSE
187 C-- we are writing a tiled array (bi>0,bj>0):
188 iG=bi+(myXGlobalLo-1)/sNx
189 jG=bj+(myYGlobalLo-1)/sNy
190 WRITE(metaFname,'(2A,I3.3,A,I3.3,A)')
191 & pfName(1:pIL),'.',iG,'.',jG,'.meta'
192 dimList(1,1)=nSx*nPx
193 dimList(2,1)=iG
194 dimList(3,1)=iG
195 dimList(1,2)=nSy*nPy
196 dimList(2,2)=jG
197 dimList(3,2)=jG
198 ENDIF
199 dimList(1,3)=nArr
200 dimList(2,3)=1
201 dimList(3,3)=nArr
202 nDims=3
203 IF (nArr .EQ. 1) nDims=2
204 CALL MDS_WRITE_META(
205 I metaFName, dataFName, the_run_name, ' ',
206 I filePrec, nDims, dimList, map2gl, 0, ' ',
207 I 0, UNSET_RL, iRec, myIter, myThid )
208 c I metaFName, dataFName, the_run_name, titleLine,
209 c I filePrec, nDims, dimList, map2gl, nFlds, fldList,
210 c I nTimRec, timList, irecord, myIter, myThid )
211
212 ENDIF
213 _END_MASTER( myThid )
214
215 RETURN
216 END

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