/[MITgcm]/MITgcm/pkg/flt/flt_mdsreadvector.F
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Contents of /MITgcm/pkg/flt/flt_mdsreadvector.F

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Revision 1.1 - (show annotations) (download)
Thu Sep 13 17:43:56 2001 UTC (22 years, 7 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 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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