/[MITgcm]/MITgcm_contrib/ecco_utils/lbfgs_jpl_version/lsopt.2/instore.F
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Contents of /MITgcm_contrib/ecco_utils/lbfgs_jpl_version/lsopt.2/instore.F

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Revision 1.1 - (show annotations) (download)
Wed Apr 3 23:36:07 2013 UTC (12 years, 4 months ago) by heimbach
Branch: MAIN
CVS Tags: HEAD
Add L-BFGS code adapted to ECCO Production by JPL

1 subroutine instore( n, fc, gnorm0, is, m, jmin, jmax,
2 & cold, sflag, tflag, ifunc, tact)
3 c
4 c arguments
5 c
6 integer n, is, m, jmin, jmax, ifail, ifunc
7 double precision fc, gnorm0,tact
8 logical cold
9 logical sflag, tflag
10 integer*8 rectmp, tmp1, tmp2
11 c----
12 c
13 common /xxstore/ itape, ntape, isize
14 integer itape, ntape, isize
15 common /mpi_parm/ myid,nprocs,mystart,myend
16 integer myid, nprocs,mystart,myend
17
18 ifail = 0
19 itape = 91
20 ntape = 92
21 isize = is
22 cold = .true.
23
24 if (myid .eq. 0) print *, 'pathei: in instore '
25
26 cc one record = two arrays of real*(isize)
27
28 open( itape
29 $ , file = 'OPWARMI'
30 $ , status = 'unknown'
31 $ , form = 'formatted'
32 $ , access = 'sequential'
33 $ )
34
35 read( itape, *, end=800, err=900 ) n, fc, gnorm0,
36 $ m, jmin, jmax,
37 & sflag, tflag, ifunc, tact
38 !Note: bnc read itape defaults to cold if OPWARMI has 0 size and
39 ! skips the next line, due to end condition
40
41 cold = .false.
42
43 800 continue
44 close(itape)
45
46 if( myid .eq. 0) then
47 print*
48 write(*,'(a,i10,a,i2)')
49 $ ' opening direct access with recl = ',n,' * ',isize
50 print*
51 endif
52
53 tmp1 = n
54 tmp2 = isize
55 rectmp = tmp1*tmp2
56
57 cph(
58 if(myid .eq. 0) print *, 'pathei rectmp ', rectmp, n, isize
59 cph)
60
61 ! open( ntape
62 ! $ , file = 'OPWARMD'
63 ! $ , status = 'unknown'
64 ! $ , form = 'unformatted'
65 ! $ , access = 'direct'
66 ! $ , recl = rectmp
67 ! $ )
68
69 return
70
71 900 continue
72 close(itape)
73 ifail = 1
74
75 return
76 end

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