MITgcm/optim/simul.F



      subroutine simul(
     I                  indic,
     I                  nn,
     I                  xx,
     O                  objf,
     O                  adxx
     &                )

c     ==================================================================
c     SUBROUTINE simul
c     ==================================================================
c
c     o This routine is called by the large-scale optimization lsopt.
c
c       Input  : indic - Parameter (not used here).
c                nn    - Number of control variables.
c                xx    - Array  of control variables.
c
c       Output : objf  - Value of objective function.
c                adxx  - Gradients of objective function with respect
c                        to the control variables.
c
c
c     started: Christian Eckert eckert@mit.edu 15-Feb-2000
c
c     changed: Christian Eckert eckert@mit.edu 10-Mar-2000
c
c              - Added ECCO layout.
c
c     changed:  Patrick Heimbach heimbach@mit.edu 19-Jun-2000
c               - finished, revised and debugged
c
c     ==================================================================
c     SUBROUTINE simul
c     ==================================================================

      implicit none

c     == global variables ==

#include "EEPARAMS.h"
#include "SIZE.h"
#include "ctrl.h"

c     == routine arguments ==

      integer indic
      integer nn
      _RL   xx(nn)
      _RL   objf
      _RL   adxx(nn)

c     == local variables ==

      integer i
      _RL   adobjf

      logical lheaderonly

c     == end of interface ==

      print *, 'pathei-lsopt in simul'

c--   Call the combined modified forward model and the adjoint model.
      do i = 1,nn
        adxx(i) = 0.
      enddo

      adobjf = 1.
c
      lheaderonly = .false.

      print *, 'pathei-lsopt vor optim_readdata'

      call optim_readdata( nn, ctrlname, lheaderonly, objf,   xx )
      call optim_readdata( nn, costname, lheaderonly, objf, adxx )

      indic = indic

cph(
      print *, ' leaving simul with nn, objf = ', nn, objf
      print *, ' leaving simul with xx, adxx = ', xx(1), adxx(1)
      do i=1,nn
c         if (xx(i).EQ.'NaN') then
c            print *, 'pathei - out: i = ', i
c         end if
      end do
cph)

      return
      end
1	heimbach	1.2
2
3			subroutine simul(
4			I indic,
5			I nn,
6			I xx,
7			O objf,
8			O adxx
9			& )
10
11			c ==================================================================
12			c SUBROUTINE simul
13			c ==================================================================
14			c
15			c o This routine is called by the large-scale optimization lsopt.
16			c
17			c Input : indic - Parameter (not used here).
18			c nn - Number of control variables.
19			c xx - Array of control variables.
20			c
21			c Output : objf - Value of objective function.
22			c adxx - Gradients of objective function with respect
23			c to the control variables.
24			c
25			c
26			c started: Christian Eckert eckert@mit.edu 15-Feb-2000
27			c
28			c changed: Christian Eckert eckert@mit.edu 10-Mar-2000
29			c
30			c - Added ECCO layout.
31			c
32			c changed: Patrick Heimbach heimbach@mit.edu 19-Jun-2000
33			c - finished, revised and debugged
34			c
35			c ==================================================================
36			c SUBROUTINE simul
37			c ==================================================================
38
39			implicit none
40
41			c == global variables ==
42
43			#include "EEPARAMS.h"
44			#include "SIZE.h"
45			#include "ctrl.h"
46
47			c == routine arguments ==
48
49			integer indic
50			integer nn
51			_RL xx(nn)
52			_RL objf
53			_RL adxx(nn)
54
55			c == local variables ==
56
57			integer i
58			_RL adobjf
59
60			logical lheaderonly
61
62			c == end of interface ==
63
64	heimbach	1.3	print *, 'pathei-lsopt in simul'
65
66	heimbach	1.2	c-- Call the combined modified forward model and the adjoint model.
67			do i = 1,nn
68	heimbach	1.3	adxx(i) = 0.
69	heimbach	1.2	enddo
70	heimbach	1.3
71			adobjf = 1.
72	heimbach	1.2	c
73			lheaderonly = .false.
74	heimbach	1.3
75			print *, 'pathei-lsopt vor optim_readdata'
76
77	heimbach	1.2	call optim_readdata( nn, ctrlname, lheaderonly, objf, xx )
78			call optim_readdata( nn, costname, lheaderonly, objf, adxx )
79
80			indic = indic
81
82			cph(
83			print *, ' leaving simul with nn, objf = ', nn, objf
84			print *, ' leaving simul with xx, adxx = ', xx(1), adxx(1)
85			do i=1,nn
86			c if (xx(i).EQ.'NaN') then
87			c print *, 'pathei - out: i = ', i
88			c end if
89			end do
90			cph)
91
92			return
93			end