/[MITgcm]/MITgcm/pkg/flt/flt_mdsreadvector.F
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Revision 1.1 - (hide annotations) (download)
Thu Sep 13 17:43:56 2001 UTC (22 years, 8 months ago) by adcroft
Branch: MAIN
CVS Tags: checkpoint46n_post, checkpoint51k_post, checkpoint47e_post, checkpoint57m_post, checkpoint52l_pre, checkpoint44e_post, hrcube4, hrcube5, checkpoint46l_post, checkpoint57g_pre, checkpoint46g_pre, checkpoint47c_post, release1_p13_pre, checkpoint50c_post, checkpoint57s_post, checkpoint58b_post, checkpoint57b_post, checkpoint46f_post, checkpoint52d_pre, checkpoint57g_post, checkpoint48e_post, checkpoint56b_post, checkpoint50g_post, checkpoint57y_post, checkpoint46b_post, checkpoint52j_pre, checkpoint43a-release1mods, checkpoint51o_pre, checkpoint44g_post, checkpoint54d_post, checkpoint48c_post, checkpoint54e_post, ecco_c50_e32, ecco_c50_e33, ecco_c50_e30, ecco_c50_e31, release1_p13, checkpoint51l_post, checkpoint48i_post, checkpoint57r_post, checkpoint46l_pre, checkpoint57d_post, checkpoint57i_post, checkpoint50d_pre, checkpoint52k_post, chkpt44d_post, checkpoint59, checkpoint58, checkpoint55, checkpoint54, checkpoint57, checkpoint56, checkpoint51, checkpoint53, checkpoint52, release1_p8, release1_p9, checkpoint50d_post, release1_p1, release1_p2, release1_p3, release1_p4, release1_p5, release1_p6, release1_p7, checkpoint58f_post, checkpoint52f_post, checkpoint57n_post, checkpoint58d_post, checkpoint58a_post, checkpoint50b_pre, checkpoint44e_pre, checkpoint57z_post, checkpoint54f_post, checkpoint51f_post, release1_b1, ecco_c51_e34d, ecco_c51_e34e, ecco_c51_e34f, ecco_c51_e34g, ecco_c51_e34a, ecco_c51_e34b, ecco_c51_e34c, checkpoint58y_post, checkpoint48b_post, checkpoint43, checkpoint51d_post, checkpoint48c_pre, checkpoint55a_post, checkpoint51t_post, checkpoint58t_post, checkpoint51n_post, release1_chkpt44d_post, checkpoint55i_post, checkpoint57l_post, checkpoint52i_pre, checkpoint57h_post, hrcube_2, hrcube_3, checkpoint51s_post, checkpoint57t_post, checkpoint55c_post, checkpoint48d_pre, checkpoint51j_post, checkpoint47i_post, checkpoint52e_pre, checkpoint57v_post, checkpoint57f_post, checkpoint52e_post, checkpoint51n_pre, checkpoint47d_post, icebear5, icebear4, icebear3, icebear2, checkpoint53d_post, checkpoint46d_pre, checkpoint60, checkpoint61, checkpoint57a_post, checkpoint48d_post, release1-branch_tutorials, checkpoint57h_pre, checkpoint57x_post, checkpoint48f_post, checkpoint45d_post, checkpoint52b_pre, checkpoint54b_post, checkpoint46j_pre, checkpoint58w_post, ecco_c50_e28, checkpoint51l_pre, checkpoint52m_post, checkpoint47d_pre, checkpoint57y_pre, chkpt44a_post, checkpoint55g_post, checkpoint44h_pre, checkpoint48h_post, checkpoint51q_post, ecco_c50_e29, checkpoint51b_pre, checkpoint46a_post, checkpoint47g_post, checkpoint52b_post, checkpoint52c_post, checkpoint46j_post, checkpoint51h_pre, checkpoint46k_post, checkpoint46b_pre, chkpt44c_pre, checkpoint58o_post, checkpoint52h_pre, checkpoint45a_post, checkpoint57c_post, checkpoint50f_post, checkpoint50a_post, checkpoint50f_pre, hrcube_1, checkpoint58p_post, checkpoint58q_post, checkpoint51m_post, checkpoint55d_post, ecco_c44_e19, ecco_c44_e18, ecco_c44_e17, ecco_c44_e16, release1_p12, checkpoint58e_post, release1_p10, release1_p11, release1_p16, release1_p17, release1_p14, release1_p15, checkpoint58m_post, checkpoint47a_post, ecco_c50_e33a, checkpoint53c_post, checkpoint55d_pre, checkpoint57c_pre, checkpoint58r_post, checkpoint55j_post, branchpoint-genmake2, checkpoint54a_post, checkpoint46e_pre, checkpoint55h_post, checkpoint58n_post, checkpoint51r_post, checkpoint45b_post, checkpoint51i_post, checkpoint57e_post, release1-branch-end, release1_final_v1, checkpoint55b_post, checkpoint51b_post, release1_p12_pre, checkpoint46c_pre, checkpoint53a_post, checkpoint44f_post, checkpoint47b_post, checkpoint44b_post, checkpoint59q, checkpoint59p, checkpoint59r, checkpoint59e, checkpoint59d, checkpoint59g, checkpoint59f, checkpoint59a, checkpoint55f_post, checkpoint59c, checkpoint59b, checkpoint59m, checkpoint59l, checkpoint59o, checkpoint59n, checkpoint59i, checkpoint59h, checkpoint59k, ecco_c51_e34, checkpoint46h_pre, checkpoint52d_post, checkpoint53g_post, checkpoint46m_post, checkpoint57p_post, checkpint57u_post, checkpoint46a_pre, checkpoint50c_pre, checkpoint45c_post, checkpoint57q_post, ecco_ice2, ecco_ice1, checkpoint44h_post, eckpoint57e_pre, checkpoint46g_post, checkpoint51c_post, checkpoint58k_post, checkpoint52a_pre, checkpoint46i_post, checkpoint58v_post, checkpoint50h_post, checkpoint52i_post, checkpoint50e_pre, checkpoint50i_post, ecco_c44_e25, checkpoint51i_pre, checkpoint48a_post, checkpoint56a_post, checkpoint58l_post, checkpoint53f_post, checkpoint47j_post, checkpoint54a_pre, checkpoint53b_pre, branch-exfmods-tag, checkpoint57h_done, checkpoint52j_post, checkpoint47f_post, checkpoint50e_post, chkpt44a_pre, ecco_c44_e22, ecco_c44_e23, ecco_c44_e20, ecco_c44_e21, ecco_c44_e26, ecco_c44_e27, ecco_c44_e24, checkpoint57j_post, checkpoint57f_pre, checkpoint61f, checkpoint46c_post, checkpoint58g_post, ecco-branch-mod1, ecco-branch-mod2, ecco-branch-mod3, ecco-branch-mod4, ecco-branch-mod5, branch-netcdf, checkpoint52l_post, checkpoint58x_post, checkpoint52n_post, checkpoint46e_post, checkpoint59j, release1_beta1, checkpoint58h_post, checkpoint56c_post, checkpoint58j_post, checkpoint51e_post, checkpoint44b_pre, checkpoint42, checkpoint57a_pre, checkpoint40, checkpoint41, checkpoint46, checkpoint47, checkpoint44, checkpoint45, checkpoint48, checkpoint49, checkpoint57o_post, checkpoint46h_post, checkpoint51o_post, checkpoint50, checkpoint57k_post, checkpoint51f_pre, chkpt44c_post, checkpoint53b_post, checkpoint47h_post, checkpoint52a_post, checkpoint57w_post, checkpoint61e, checkpoint44f_pre, checkpoint58i_post, checkpoint51g_post, ecco_c52_e35, checkpoint46d_post, checkpoint50b_post, checkpoint58c_post, checkpoint58u_post, release1-branch_branchpoint, checkpoint52f_pre, checkpoint53d_pre, checkpoint58s_post, checkpoint55e_post, checkpoint61d, checkpoint54c_post, checkpoint61b, checkpoint61c, checkpoint61a, checkpoint51a_post, checkpoint51p_post, checkpoint48g_post, checkpoint51u_post
Branch point for: c24_e25_ice, branch-exfmods-curt, release1_coupled, release1_final, release1-branch, branch-genmake2, release1, branch-nonh, tg2-branch, ecco-branch, release1_50yr, netcdf-sm0, icebear, checkpoint51n_branch
Added package "flt".
 o pkg/flt
 o verification/flt_example
 o visualization of trajectories supplied
 o works but output not available to testscript

1 adcroft 1.1 C $Header: $
2     C $Name: $
3    
4     #include "FLT_CPPOPTIONS.h"
5    
6    
7     #undef SAFE_IO
8    
9     #ifdef SAFE_IO
10     #define _NEW_STATUS 'new'
11     #else
12     #define _NEW_STATUS 'unknown'
13     #endif
14    
15     SUBROUTINE MDSREADVECTOR_flt(
16     I fName,
17     O globalFile,
18     I filePrec,
19     I arrType,
20     I narr,
21     O arr,
22     I bi,
23     I bj,
24     I irecord,
25     I myThid )
26     C
27     C Arguments:
28     C
29     C fName string base name for file to read
30     C filePrec integer number of bits per word in file (32 or 64)
31     C arrType char(2) declaration of "arr": either "RS" or "RL"
32     C narr integer size of third dimension: normally either 1 or Nr
33     C arr RS/RL array to read into, arr(narr)
34     ce bi integer x tile index
35     ce bj integer y tile index
36     C irecord integer record number to read
37     C myThid integer thread identifier
38     C
39     C Created: 03/26/99 eckert@mit.edu
40     C Modified: 03/29/99 adcroft@mit.edu + eckert@mit.edu
41     C Fixed to work work with _RS and _RL declarations
42     C Modified: 07/27/99 eckert@mit.edu
43     C Customized for state estimation (--> active_file_control.F)
44     c Modified: 09/29/00 abiastoch@ucsd.edu
45     c based on mdsreadvector
46     c Checks first for local files and then for global
47    
48     implicit none
49     C Global variables / common blocks
50     #include "SIZE.h"
51     #include "EEPARAMS.h"
52     #include "PARAMS.h"
53    
54     C Routine arguments
55     character*(*) fName
56     integer filePrec
57     character*(2) arrType
58     integer narr
59     Real arr(narr)
60     integer irecord
61     integer myThid
62     ce
63     integer bi,bj
64     ce
65    
66     C Functions
67     integer ILNBLNK
68     integer MDS_RECLEN
69     C Local variables
70     character*(80) dataFName
71     integer iG,jG,irec,dUnit,IL
72     logical exst
73     logical globalFile,fileIsOpen
74     integer length_of_rec
75     character*(max_len_mbuf) msgbuf
76     C ------------------------------------------------------------------
77    
78     C Only do I/O if I am the master thread
79     _BEGIN_MASTER( myThid )
80    
81     C Record number must be >= 1
82     if (irecord .LT. 1) then
83     write(msgbuf,'(a,i9.8)')
84     & ' MDSREADVECTOR: argument irecord = ',irecord
85     call print_message( msgbuf, standardmessageunit,
86     & SQUEEZE_RIGHT , mythid)
87     write(msgbuf,'(a)')
88     & ' MDSREADVECTOR: invalid value for irecord'
89     call print_error( msgbuf, mythid )
90     stop 'ABNORMAL END: S/R MDSREADVECTOR'
91     endif
92    
93     C Assume nothing
94     globalFile = .TRUE.
95     fileIsOpen = .FALSE.
96     IL=ILNBLNK( fName )
97    
98     C Assign a free unit number as the I/O channel for this routine
99     call MDSFINDUNIT( dUnit, mythid )
100    
101    
102     C Check first for local file
103     iG=bi+(myXGlobalLo-1)/sNx ! Kludge until unstructered tiles
104     jG=bj+(myYGlobalLo-1)/sNy ! Kludge until unstructered tiles
105     write(dataFname(1:80),'(2a,i3.3,a,i3.3,a)')
106     & fName(1:IL),'.',iG,'.',jG,'.data'
107     inquire( file=dataFname, exist=exst )
108     C Of course, we only open the file if the tile is "active"
109     C (This is a place-holder for the active/passive mechanism)
110     if (exst) then
111     write(msgbuf,'(a,a)')
112     & ' MDSREADVECTOR: opening file: ',dataFName
113     call print_message( msgbuf, standardmessageunit,
114     & SQUEEZE_RIGHT , mythid)
115     globalFile = .FALSE.
116     endif
117    
118    
119    
120     C If no local file is available check for global files
121     if (globalFile) then
122     C Check first for global file with simple name (ie. fName)
123     dataFName = fName
124     inquire( file=dataFname, exist=exst )
125     if (exst) then
126     write(msgbuf,'(a,a)')
127     & ' MDSREADVECTOR: opening global file: ',dataFName
128     call print_message( msgbuf, standardmessageunit,
129     & SQUEEZE_RIGHT , mythid)
130     else
131     write(dataFname(1:80),'(2a)') fName(1:IL),'.data'
132     inquire( file=dataFname, exist=exst )
133     if (exst) then
134     write(msgbuf,'(a,a)')
135     & ' MDSREADVECTOR: opening global file: ',dataFName
136     call print_message( msgbuf, standardmessageunit,
137     & SQUEEZE_RIGHT , mythid)
138     endif
139     endif
140     globalFile = .TRUE.
141     endif
142    
143     C If we are reading from a global file then we open it here
144     if (globalFile) then
145     length_of_rec=MDS_RECLEN( filePrec, narr, mythid )
146     open( dUnit, file=dataFName, status='old',
147     & access='direct', recl=length_of_rec )
148     fileIsOpen=.TRUE.
149     endif
150    
151     C Loop over all tiles
152     ce do bj=1,nSy
153     ce do bi=1,nSx
154     C If we are reading from a tiled MDS file then we open each one here
155     if (.NOT. globalFile) then
156     iG=bi+(myXGlobalLo-1)/sNx ! Kludge until unstructered tiles
157     jG=bj+(myYGlobalLo-1)/sNy ! Kludge until unstructered tiles
158     write(dataFname(1:80),'(2a,i3.3,a,i3.3,a)')
159     & fName(1:IL),'.',iG,'.',jG,'.data'
160     inquire( file=dataFname, exist=exst )
161     C Of course, we only open the file if the tile is "active"
162     C (This is a place-holder for the active/passive mechanism)
163     if (exst) then
164     write(msgbuf,'(a,a)')
165     & ' MDSREADVECTOR: opening file: ',dataFName
166     call print_message( msgbuf, standardmessageunit,
167     & SQUEEZE_RIGHT , mythid)
168     length_of_rec=MDS_RECLEN( filePrec, narr, mythid )
169     open( dUnit, file=dataFName, status='old',
170     & access='direct', recl=length_of_rec )
171     fileIsOpen=.TRUE.
172     else
173     fileIsOpen=.FALSE.
174     write(msgbuf,'(a)')
175     & ' MDSREADVECTOR: un-active tiles not implemented yet'
176     call print_error( msgbuf, mythid )
177     stop 'ABNORMAL END: S/R MDSREADVECTOR'
178     endif
179     endif
180     if (fileIsOpen) then
181     irec = irecord
182     if (filePrec .eq. precFloat32) then
183     call MDS_READ_RS_VEC( dUnit, irec, narr, arr, myThid )
184     elseif (filePrec .eq. precFloat64) then
185     call MDS_READ_RL_VEC( dUnit, irec, narr, arr, myThid )
186     else
187     write(msgbuf,'(a)')
188     & ' MDSREADVECTOR: illegal value for filePrec'
189     call print_error( msgbuf, mythid )
190     stop 'ABNORMAL END: S/R MDSREADVECTOR'
191     endif
192     if (.NOT. globalFile) then
193     close( dUnit )
194     fileIsOpen = .FALSE.
195     endif
196     endif
197     C End of bi,bj loops
198     ce enddo
199     ce enddo
200    
201     C If global file was opened then close it
202     if (fileIsOpen .AND. globalFile) then
203     close( dUnit )
204     fileIsOpen = .FALSE.
205     endif
206    
207     _END_MASTER( myThid )
208    
209     C ------------------------------------------------------------------
210     return
211     end

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