/[MITgcm]/MITgcm/pkg/grdchk/grdchk_readparms.F
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Contents of /MITgcm/pkg/grdchk/grdchk_readparms.F

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Revision 1.3 - (show annotations) (download)
Thu May 30 22:47:26 2002 UTC (22 years ago) by heimbach
Branch: MAIN
CVS Tags: checkpoint45d_post, checkpoint45c_post
Changes since 1.2: +4 -2 lines
o modifications to gradient check package (Martin Losch)
  - enable centered differences
  - modified format of standard output

1 C $Header: /u/gcmpack/MITgcm/pkg/grdchk/grdchk_readparms.F,v 1.2.4.1 2002/05/30 22:12:32 heimbach Exp $
2
3 #include "CPP_OPTIONS.h"
4
5
6 subroutine grdchk_readparms(
7 I mythid
8 & )
9
10 c ==================================================================
11 c SUBROUTINE grdchk_readparms
12 c ==================================================================
13 c
14 c o Initialize the ECCO gradient check.
15 c
16 c started: Christian Eckert eckert@mit.edu 03-Mar-2000
17 c continued: heimbach@mit.edu: 13-Jun-2001
18 c
19 c ==================================================================
20 c SUBROUTINE grdchk_readparms
21 c ==================================================================
22
23 implicit none
24
25 c == global variables ==
26
27 #include "EEPARAMS.h"
28 #include "SIZE.h"
29
30 #include "ctrl.h"
31 #include "grdchk.h"
32
33 c == routine arguments ==
34
35 integer mythid
36
37 #ifdef ALLOW_GRADIENT_CHECK
38 c == local variables ==
39
40 integer i,j,k
41 integer bi,bj
42 integer itlo,ithi
43 integer jtlo,jthi
44 integer jmin,jmax
45 integer imin,imax
46
47 integer errio
48 integer il
49
50 character*(max_len_prec) record
51
52 c == external ==
53
54 integer ilnblnk
55 external ilnblnk
56
57 c == end of interface ==
58
59 c-- Optimization parameters.
60 namelist /grdchk_nml/
61 & grdchk_eps,
62 & nbeg,
63 & nstep,
64 & nend,
65 & grdchkvarindex,
66 & useCentralDiff
67
68 jtlo = mybylo(mythid)
69 jthi = mybyhi(mythid)
70 itlo = mybxlo(mythid)
71 ithi = mybxhi(mythid)
72 jmin = 1-oly
73 jmax = sny+oly
74 imin = 1-olx
75 imax = snx+olx
76
77 _BEGIN_MASTER( mythid )
78
79 c-- Set default values.
80 grdchk_eps = 1. _d 0
81 nbeg = 1
82 nend = 1
83 nstep = 1
84 useCentralDiff = .TRUE.
85
86 c-- Check versions.
87
88 open(unit=scrunit1,status='scratch')
89
90 c-- Next, read the forcing data file.
91 open(unit = modeldataunit,file = 'data.grdchk',
92 & status = 'old', iostat = errio)
93 if ( errio .lt. 0 ) then
94 stop ' ... stopped in grdchk_readparms.'
95 endif
96
97 do while ( .true. )
98 read(modeldataunit, fmt='(a)', end=1001) record
99 il = max(ilnblnk(record),1)
100 if ( record(1:1) .ne. commentcharacter )
101 & write(unit=scrunit1, fmt='(a)') record(:il)
102 enddo
103 1001 continue
104
105 close( modeldataunit )
106
107 rewind( scrunit1 )
108 read(unit = scrunit1, nml = grdchk_nml)
109 close( scrunit1 )
110
111 c-- Summarize the gradient check's setup.
112 call grdchk_Summary( mythid )
113 _END_MASTER( mythid )
114
115 _BARRIER
116
117 #endif /* ALLOW_GRADIENT_CHECK */
118
119 end
120
121

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