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source: IOIPSL/trunk/src/histcom.f90 @ 1027

Last change on this file since 1027 was 1027, checked in by bellier, 14 years ago
Bugfix on the time axis
Property svn:keywords set to `Id`
File size: 78.7 KB

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1	MODULE histcom
2	!-
3	!$Id$
4	!-
5	! This software is governed by the CeCILL license
6	! See IOIPSL/IOIPSL_License_CeCILL.txt
7	!-
8	USE netcdf
9	!-
10	USE stringop, ONLY : nocomma,cmpblank,findpos,find_str,strlowercase
11	USE mathelp, ONLY : mathop,moycum,buildop
12	USE fliocom, ONLY : flio_dom_file,flio_dom_att
13	USE calendar
14	USE errioipsl, ONLY : ipslerr,ipsldbg
15	!-
16	IMPLICIT NONE
17	!-
18	PRIVATE
19	PUBLIC :: histbeg,histdef,histhori,histvert,histend, &
20	& histwrite,histclo,histsync,ioconf_modname
21	!---------------------------------------------------------------------
22	!- Some confusing vocabulary in this code !
23	!- =========================================
24	!-
25	!- A REGULAR grid is a grid which is i,j indexes
26	!- and thus it is stored in a 2D matrix.
27	!- This is opposed to a IRREGULAR grid which is only in a vector
28	!- and where we do not know which neighbors we have.
29	!- As a consequence we need the bounds for each grid-cell.
30	!-
31	!- A RECTILINEAR grid is a special case of a regular grid
32	!- in which all longitudes for i constant are equal
33	!- and all latitudes for j constant.
34	!- In other words we do not need the full 2D matrix
35	!- to describe the grid, just two vectors.
36	!---------------------------------------------------------------------
37	!-
38	INTERFACE histbeg
39	MODULE PROCEDURE histb_reg1d,histb_reg2d,histb_irreg
40	END INTERFACE
41	!-
42	INTERFACE histhori
43	MODULE PROCEDURE histh_reg1d,histh_reg2d,histh_irreg
44	END INTERFACE
45	!-
46	INTERFACE histwrite
47	!---------------------------------------------------------------------
48	!- The "histwrite" routines will give the data to the I/O system.
49	!- It will trigger the operations to be performed,
50	!- and the writting to the file if needed
51	!-
52	!- We test for the work to be done at this time here so that at a
53	!- later stage we can call different operation and write subroutine
54	!- for the REAL and INTEGER interfaces
55	!-
56	!- INPUT
57	!- idf : The ID of the file on which this variable is to be,
58	!- written. The variable should have been defined in
59	!- this file before.
60	!- pvarname : The short name of the variable
61	!- pitau : Current timestep
62	!- pdata : The variable, I mean the real data !
63	!- nbindex : The number of indexes provided. If it is equal to
64	!- the size of the full field as provided in histdef
65	!- then nothing is done.
66	!- nindex : The indices used to expand the variable (pdata)
67	!- onto the full field.
68	!---------------------------------------------------------------------
69	!- histwrite - we have to prepare different type of fields :
70	!- real and integer, 1,2 or 3D
71	MODULE PROCEDURE histwrite_r1d,histwrite_r2d,histwrite_r3d
72	END INTERFACE
73	!-
74	! Fixed parameter
75	!-
76	INTEGER,PARAMETER :: nb_files_max=20,nb_var_max=400, &
77	& nb_hax_max=5,nb_zax_max=10,nbopp_max=10
78	REAL,PARAMETER :: missing_val=nf90_fill_real
79	INTEGER,PARAMETER,PUBLIC :: &
80	& hist_r4=nf90_real4, hist_r8=nf90_real8
81	!-
82	! Variable derived type
83	!-
84	TYPE T_D_V
85	INTEGER :: ncvid
86	INTEGER :: nbopp
87	CHARACTER(LEN=20) :: v_name,unit_name
88	CHARACTER(LEN=256) :: title,std_name
89	CHARACTER(LEN=80) :: fullop
90	CHARACTER(LEN=7) :: topp
91	CHARACTER(LEN=7),DIMENSION(nbopp_max) :: sopp
92	REAL,DIMENSION(nbopp_max) :: scal
93	!-External type (for R4/R8)
94	INTEGER :: v_typ
95	!-Sizes of the associated grid and zommed area
96	INTEGER,DIMENSION(3) :: scsize,zorig,zsize
97	!-Sizes for the data as it goes through the various math operations
98	INTEGER,DIMENSION(3) :: datasz_in = -1
99	INTEGER :: datasz_max = -1
100	!-
101	INTEGER :: h_axid,z_axid,t_axid
102	!-
103	REAL,DIMENSION(2) :: hist_minmax
104	LOGICAL :: hist_calc_rng=.FALSE.,hist_wrt_rng=.FALSE.
105	!-Book keeping of the axes
106	INTEGER :: tdimid,tbndid=-1,tax_last
107	LOGICAL :: l_bnd
108	CHARACTER(LEN=40) :: tax_name
109	!-
110	REAL :: freq_opp,freq_wrt
111	INTEGER :: &
112	& last_opp,last_wrt,last_opp_chk,last_wrt_chk,nb_opp,nb_wrt
113	!- For future optimization
114	REAL,POINTER,DIMENSION(:) :: t_bf
115	!# REAL,ALLOCATABLE,DIMENSION(:) :: V_1_D
116	!# REAL,ALLOCATABLE,DIMENSION(:,:) :: V_2_D
117	!# REAL,ALLOCATABLE,DIMENSION(:,:,:) :: V_3_D
118	END TYPE T_D_V
119	!-
120	! File derived type
121	!-
122	TYPE :: T_D_F
123	!-NETCDF IDs for file
124	INTEGER :: ncfid=-1
125	!-Time variables
126	INTEGER :: itau0=0
127	REAL :: date0,deltat
128	!-Counter of elements (variables, time-horizontal-vertical axis
129	INTEGER :: n_var=0,n_tax=0,n_hax=0,n_zax=0
130	!-NETCDF dimension IDs for time-[time_bounds]-longitude-latitude
131	INTEGER :: tid,bid,xid,yid
132	!-General definitions in the NETCDF file
133	INTEGER,DIMENSION(2) :: full_size=0,slab_ori,slab_siz
134	!-The horizontal axes
135	CHARACTER(LEN=25),DIMENSION(nb_hax_max,2) :: hax_name
136	!-The vertical axes
137	INTEGER,DIMENSION(nb_zax_max) :: zax_size,zax_ids
138	CHARACTER(LEN=20),DIMENSION(nb_zax_max) :: zax_name
139	!-
140	LOGICAL :: regular=.TRUE.
141	!-DOMAIN ID
142	INTEGER :: dom_id_svg=-1
143	!-
144	TYPE(T_D_V),DIMENSION(nb_var_max) :: W_V
145	END TYPE T_D_F
146	!-
147	TYPE(T_D_F),DIMENSION(nb_files_max),SAVE :: W_F
148	!-
149	! A list of functions which require special action
150	! (Needs to be updated when functions are added
151	! but they are well located here)
152	!-
153	CHARACTER(LEN=30),SAVE :: fuchnbout = 'scatter, fill'
154	!- Some configurable variables with locks
155	CHARACTER(LEN=80),SAVE :: model_name='An IPSL model'
156	LOGICAL,SAVE :: lock_modname=.FALSE.
157	!-
158	!===
159	CONTAINS
160	!===
161	!-
162	SUBROUTINE histb_reg1d &
163	& (pfilename,pim,plon,pjm,plat, &
164	& par_orix,par_szx,par_oriy,par_szy, &
165	& pitau0,pdate0,pdeltat,phoriid,idf,domain_id,mode)
166	!---------------------------------------------------------------------
167	!- histbeg for 1D regular horizontal coordinates (see histb_all)
168	!---------------------------------------------------------------------
169	IMPLICIT NONE
170	!-
171	CHARACTER(LEN=*) :: pfilename
172	INTEGER,INTENT(IN) :: pim,pjm
173	REAL,DIMENSION(pim),INTENT(IN) :: plon
174	REAL,DIMENSION(pjm),INTENT(IN) :: plat
175	INTEGER,INTENT(IN):: par_orix,par_szx,par_oriy,par_szy
176	INTEGER,INTENT(IN) :: pitau0
177	REAL,INTENT(IN) :: pdate0,pdeltat
178	INTEGER,INTENT(OUT) :: idf,phoriid
179	INTEGER,INTENT(IN),OPTIONAL :: domain_id
180	CHARACTER(LEN=*),OPTIONAL,INTENT(IN) :: mode
181	!---------------------------------------------------------------------
182	CALL histb_all &
183	& (1,pfilename,pim,pjm,pitau0,pdate0,pdeltat,phoriid,idf, &
184	& x_1d=plon,y_1d=plat, &
185	& k_orx=par_orix,k_szx=par_szx,k_ory=par_oriy,k_szy=par_szy, &
186	& domain_id=domain_id,mode=mode)
187	!-------------------------
188	END SUBROUTINE histb_reg1d
189	!===
190	SUBROUTINE histb_reg2d &
191	& (pfilename,pim,plon,pjm,plat, &
192	& par_orix,par_szx,par_oriy,par_szy, &
193	& pitau0,pdate0,pdeltat,phoriid,idf,domain_id,mode)
194	!---------------------------------------------------------------------
195	!- histbeg for 2D regular horizontal coordinates (see histb_all)
196	!---------------------------------------------------------------------
197	IMPLICIT NONE
198	!-
199	CHARACTER(LEN=*) :: pfilename
200	INTEGER,INTENT(IN) :: pim,pjm
201	REAL,DIMENSION(pim,pjm),INTENT(IN) :: plon,plat
202	INTEGER,INTENT(IN):: par_orix,par_szx,par_oriy,par_szy
203	INTEGER,INTENT(IN) :: pitau0
204	REAL,INTENT(IN) :: pdate0,pdeltat
205	INTEGER,INTENT(OUT) :: idf,phoriid
206	INTEGER,INTENT(IN),OPTIONAL :: domain_id
207	CHARACTER(LEN=*),OPTIONAL,INTENT(IN) :: mode
208	!---------------------------------------------------------------------
209	CALL histb_all &
210	& (2,pfilename,pim,pjm,pitau0,pdate0,pdeltat,phoriid,idf, &
211	& x_2d=plon,y_2d=plat, &
212	& k_orx=par_orix,k_szx=par_szx,k_ory=par_oriy,k_szy=par_szy, &
213	& domain_id=domain_id,mode=mode)
214	!-------------------------
215	END SUBROUTINE histb_reg2d
216	!===
217	SUBROUTINE histb_irreg &
218	& (pfilename,pim,plon,plon_bounds,plat,plat_bounds, &
219	& pitau0,pdate0,pdeltat,phoriid,idf,domain_id,mode)
220	!---------------------------------------------------------------------
221	!- histbeg for irregular horizontal coordinates (see histb_all)
222	!---------------------------------------------------------------------
223	IMPLICIT NONE
224	!-
225	CHARACTER(LEN=*) :: pfilename
226	INTEGER,INTENT(IN) :: pim
227	REAL,DIMENSION(pim),INTENT(IN) :: plon,plat
228	REAL,DIMENSION(:,:),INTENT(IN) :: plon_bounds,plat_bounds
229	INTEGER,INTENT(IN) :: pitau0
230	REAL,INTENT(IN) :: pdate0,pdeltat
231	INTEGER,INTENT(OUT) :: idf,phoriid
232	INTEGER,INTENT(IN),OPTIONAL :: domain_id
233	CHARACTER(LEN=*),OPTIONAL,INTENT(IN) :: mode
234	!---------------------------------------------------------------------
235	CALL histb_all &
236	& (3,pfilename,pim,pim,pitau0,pdate0,pdeltat,phoriid,idf, &
237	& x_1d=plon,y_1d=plat,x_bnds=plon_bounds,y_bnds=plat_bounds, &
238	& domain_id=domain_id,mode=mode)
239	!-------------------------
240	END SUBROUTINE histb_irreg
241	!===
242	SUBROUTINE histb_all &
243	& (k_typ,nc_name,pim,pjm,pitau0,pdate0,pdeltat,phoriid,idf, &
244	& x_1d,y_1d,x_2d,y_2d,k_orx,k_szx,k_ory,k_szy, &
245	& x_bnds,y_bnds,domain_id,mode)
246	!---------------------------------------------------------------------
247	!- General interface for horizontal grids.
248	!- This subroutine initializes a netcdf file and returns the ID.
249	!- It will set up the geographical space on which the data will be
250	!- stored and offers the possibility of seting a zoom.
251	!- In the case of irregular grids, all the data comes in as vectors
252	!- and for the grid we have the coordinates of the 4 corners.
253	!- It also gets the global parameters into the I/O subsystem.
254	!-
255	!- INPUT
256	!-
257	!- k_typ : Type of the grid (1 rectilinear, 2 regular, 3 irregular)
258	!- nc_name : Name of the netcdf file to be created
259	!- pim : Size of arrays in longitude direction
260	!- pjm : Size of arrays in latitude direction (pjm=pim for type 3)
261	!-
262	!- pitau0 : time step at which the history tape starts
263	!- pdate0 : The Julian date at which the itau was equal to 0
264	!- pdeltat : Time step, in seconds, of the counter itau
265	!- used in histwrite for instance
266	!-
267	!- OUTPUT
268	!-
269	!- phoriid : Identifier of the horizontal grid
270	!- idf : Identifier of the file
271	!-
272	!- Optional INPUT arguments
273	!-
274	!- For rectilinear or irregular grid
275	!- x_1d : The longitudes
276	!- y_1d : The latitudes
277	!- For regular grid
278	!- x_2d : The longitudes
279	!- y_2d : The latitudes
280	!- One pair (x_1d,y_1d) or (x_2d,y_2d) must be supplied.
281	!-
282	!- For regular grid (reg1d or reg2d),
283	!- the next 4 arguments allow to define a horizontal zoom
284	!- for this file. It is assumed that all variables to come
285	!- have the same index space. This can not be assumed for
286	!- the z axis and thus we define the zoom in histdef.
287	!- k_orx : Origin of the slab of data within the X axis (pim)
288	!- k_szx : Size of the slab of data in X
289	!- k_ory : Origin of the slab of data within the Y axis (pjm)
290	!- k_szy : Size of the slab of data in Y
291	!-
292	!- For irregular grid.
293	!- x_bnds : The boundaries of the grid in longitude
294	!- y_bnds : The boundaries of the grid in latitude
295	!-
296	!- For all grids.
297	!-
298	!- domain_id : Domain identifier
299	!-
300	!- mode : String of (case insensitive) blank-separated words
301	!- defining the mode used to create the file.
302	!- Supported keywords : 32, 64
303	!- "32/64" defines the offset mode.
304	!- The default offset mode is 64 bits.
305	!- Keywords "NETCDF4" and "CLASSIC" are reserved
306	!- for future use.
307	!---------------------------------------------------------------------
308	IMPLICIT NONE
309	!-
310	INTEGER,INTENT(IN) :: k_typ
311	CHARACTER(LEN=*),INTENT(IN) :: nc_name
312	INTEGER,INTENT(IN) :: pim,pjm
313	INTEGER,INTENT(IN) :: pitau0
314	REAL,INTENT(IN) :: pdate0,pdeltat
315	INTEGER,INTENT(OUT) :: idf,phoriid
316	REAL,DIMENSION(:),INTENT(IN),OPTIONAL :: x_1d,y_1d
317	REAL,DIMENSION(:,:),INTENT(IN),OPTIONAL :: x_2d,y_2d
318	INTEGER,INTENT(IN),OPTIONAL :: k_orx,k_szx,k_ory,k_szy
319	REAL,DIMENSION(:,:),INTENT(IN),OPTIONAL :: x_bnds,y_bnds
320	INTEGER,INTENT(IN),OPTIONAL :: domain_id
321	CHARACTER(LEN=*),OPTIONAL,INTENT(IN) :: mode
322	!-
323	INTEGER :: nfid,iret,m_c
324	CHARACTER(LEN=120) :: file
325	CHARACTER(LEN=30) :: timenow
326	CHARACTER(LEN=11) :: c_nam
327	LOGICAL :: l_dbg
328	!---------------------------------------------------------------------
329	CALL ipsldbg (old_status=l_dbg)
330	!-
331	IF (k_typ == 1) THEN
332	c_nam = 'histb_reg1d'
333	ELSEIF (k_typ == 2) THEN
334	c_nam = 'histb_reg2d'
335	ELSEIF (k_typ == 3) THEN
336	c_nam = 'histb_irreg'
337	ELSE
338	CALL ipslerr (3,"histbeg", &
339	& 'Illegal value of k_typ argument','in internal interface','?')
340	ENDIF
341	!-
342	IF (l_dbg) WRITE(,) c_nam//" 0.0"
343	!-
344	! Search for a free index
345	!-
346	idf = -1
347	DO nfid=1,nb_files_max
348	IF (W_F(nfid)%ncfid < 0) THEN
349	idf = nfid; EXIT;
350	ENDIF
351	ENDDO
352	IF (idf < 0) THEN
353	CALL ipslerr (3,"histbeg", &
354	& 'Table of files too small. You should increase nb_files_max', &
355	& 'in histcom.f90 in order to accomodate all these files',' ')
356	ENDIF
357	!-
358	! 1.0 Transfering into the common for future use
359	!-
360	IF (l_dbg) WRITE(,) c_nam//" 1.0"
361	!-
362	W_F(idf)%itau0 = pitau0
363	W_F(idf)%date0 = pdate0
364	W_F(idf)%deltat = pdeltat
365	!-
366	! 2.0 Initializes all variables for this file
367	!-
368	IF (l_dbg) WRITE(,) c_nam//" 2.0"
369	!-
370	W_F(idf)%n_var = 0
371	W_F(idf)%n_tax = 0
372	W_F(idf)%n_hax = 0
373	W_F(idf)%n_zax = 0
374	!-
375	IF ( (k_typ == 1).OR.(k_typ == 2) ) THEN
376	W_F(idf)%slab_ori(1:2) = (/ k_orx,k_ory /)
377	W_F(idf)%slab_siz(1:2) = (/ k_szx,k_szy /)
378	ELSE
379	W_F(idf)%slab_ori(1:2) = (/ 1,1 /)
380	W_F(idf)%slab_siz(1:2) = (/ pim,1 /)
381	ENDIF
382	!-
383	! 3.0 Opening netcdf file and defining dimensions
384	!-
385	IF (l_dbg) WRITE(,) c_nam//" 3.0"
386	!-
387	! Add DOMAIN number and ".nc" suffix in file name if needed
388	!-
389	file = nc_name
390	CALL flio_dom_file (file,domain_id)
391	!-
392	! Check the mode
393	!? See fliocom for HDF4 ????????????????????????????????????????????????
394	!-
395	IF (PRESENT(mode)) THEN
396	SELECT CASE (TRIM(mode))
397	CASE('32')
398	m_c = NF90_CLOBBER
399	CASE('64')
400	m_c = IOR(NF90_CLOBBER,NF90_64BIT_OFFSET)
401	CASE DEFAULT
402	CALL ipslerr (3,"histbeg", &
403	& 'Invalid argument mode for file :',TRIM(file), &
404	& 'Supported values are 32 or 64')
405	END SELECT
406	ELSE
407	m_c = IOR(NF90_CLOBBER,NF90_64BIT_OFFSET)
408	ENDIF
409	!-
410	! Create file
411	!-
412	iret = NF90_CREATE(file,m_c,nfid)
413	!-
414	IF (k_typ == 1) THEN
415	iret = NF90_DEF_DIM(nfid,'lon',k_szx,W_F(idf)%xid)
416	iret = NF90_DEF_DIM(nfid,'lat',k_szy,W_F(idf)%yid)
417	ELSEIF (k_typ == 2) THEN
418	iret = NF90_DEF_DIM(nfid,'x',k_szx,W_F(idf)%xid)
419	iret = NF90_DEF_DIM(nfid,'y',k_szy,W_F(idf)%yid)
420	ELSEIF (k_typ == 3) THEN
421	iret = NF90_DEF_DIM(nfid,'x',pim,W_F(idf)%xid)
422	W_F(idf)%yid = W_F(idf)%xid
423	ENDIF
424	!-
425	! 4.0 Declaring the geographical coordinates and other attributes
426	!-
427	IF (l_dbg) WRITE(,) c_nam//" 4.0"
428	!-
429	iret = NF90_PUT_ATT(nfid,NF90_GLOBAL,'Conventions','CF-1.1')
430	iret = NF90_PUT_ATT(nfid,NF90_GLOBAL,'file_name',TRIM(file))
431	iret = NF90_PUT_ATT(nfid,NF90_GLOBAL,'production',TRIM(model_name))
432	lock_modname = .TRUE.
433	CALL ioget_timestamp (timenow)
434	iret = NF90_PUT_ATT(nfid,NF90_GLOBAL,'TimeStamp',TRIM(timenow))
435	!-
436	! 5.0 Saving some important information on this file in the common
437	!-
438	IF (l_dbg) WRITE(,) c_nam//" 5.0"
439	!-
440	IF (PRESENT(domain_id)) THEN
441	W_F(idf)%dom_id_svg = domain_id
442	ENDIF
443	W_F(idf)%ncfid = nfid
444	IF ( (k_typ == 1).OR.(k_typ == 2) ) THEN
445	W_F(idf)%full_size(1:2) = (/ pim,pjm /)
446	W_F(idf)%regular=.TRUE.
447	ELSEIF (k_typ == 3) THEN
448	W_F(idf)%full_size(1:2) = (/ pim,1 /)
449	W_F(idf)%regular=.FALSE.
450	ENDIF
451	!-
452	! 6.0 storing the geographical coordinates
453	!-
454	IF (k_typ == 1) THEN
455	CALL histh_all &
456	& (k_typ,idf,pim,pjm,' ','Default grid',phoriid, &
457	& x_1d=x_1d,y_1d=y_1d)
458	ELSEIF (k_typ == 2) THEN
459	CALL histh_all &
460	& (k_typ,idf,pim,pjm,' ','Default grid',phoriid, &
461	& x_2d=x_2d,y_2d=y_2d)
462	ELSEIF (k_typ == 3) THEN
463	CALL histh_all &
464	& (k_typ,idf,pim,pim,' ','Default grid',phoriid, &
465	& x_1d=x_1d,y_1d=y_1d,x_bnds=x_bnds,y_bnds=y_bnds)
466	ENDIF
467	!-----------------------
468	END SUBROUTINE histb_all
469	!===
470	SUBROUTINE histh_reg1d &
471	& (idf,pim,plon,pjm,plat,phname,phtitle,phid)
472	!---------------------------------------------------------------------
473	!- histhori for 1d regular grid (see histh_all)
474	!---------------------------------------------------------------------
475	IMPLICIT NONE
476	!-
477	INTEGER,INTENT(IN) :: idf,pim,pjm
478	REAL,INTENT(IN),DIMENSION(:) :: plon,plat
479	CHARACTER(LEN=*),INTENT(IN) :: phname,phtitle
480	INTEGER,INTENT(OUT) :: phid
481	!---------------------------------------------------------------------
482	CALL histh_all &
483	& (1,idf,pim,pjm,phname,phtitle,phid,x_1d=plon,y_1d=plat)
484	!-------------------------
485	END SUBROUTINE histh_reg1d
486	!===
487	SUBROUTINE histh_reg2d &
488	& (idf,pim,plon,pjm,plat,phname,phtitle,phid)
489	!---------------------------------------------------------------------
490	!- histhori for 2d regular grid (see histh_all)
491	!---------------------------------------------------------------------
492	IMPLICIT NONE
493	!-
494	INTEGER,INTENT(IN) :: idf,pim,pjm
495	REAL,INTENT(IN),DIMENSION(:,:) :: plon,plat
496	CHARACTER(LEN=*),INTENT(IN) :: phname,phtitle
497	INTEGER,INTENT(OUT) :: phid
498	!---------------------------------------------------------------------
499	CALL histh_all &
500	& (2,idf,pim,pjm,phname,phtitle,phid,x_2d=plon,y_2d=plat)
501	!-------------------------
502	END SUBROUTINE histh_reg2d
503	!===
504	SUBROUTINE histh_irreg &
505	& (idf,pim,plon,plon_bounds,plat,plat_bounds,phname,phtitle,phid)
506	!---------------------------------------------------------------------
507	!- histhori for irregular grid (see histh_all)
508	!---------------------------------------------------------------------
509	IMPLICIT NONE
510	!-
511	INTEGER,INTENT(IN) :: idf,pim
512	REAL,DIMENSION(:),INTENT(IN) :: plon,plat
513	REAL,DIMENSION(:,:),INTENT(IN) :: plon_bounds,plat_bounds
514	CHARACTER(LEN=*),INTENT(IN) :: phname,phtitle
515	INTEGER,INTENT(OUT) :: phid
516	!---------------------------------------------------------------------
517	CALL histh_all &
518	& (3,idf,pim,pim,phname,phtitle,phid, &
519	& x_1d=plon,y_1d=plat,x_bnds=plon_bounds,y_bnds=plat_bounds)
520	!-------------------------
521	END SUBROUTINE histh_irreg
522	!===
523	SUBROUTINE histh_all &
524	& (k_typ,idf,pim,pjm,phname,phtitle,phid, &
525	& x_1d,y_1d,x_2d,y_2d,x_bnds,y_bnds)
526	!---------------------------------------------------------------------
527	!- General interface for horizontal grids.
528	!- This subroutine is made to declare a new horizontal grid.
529	!- It has to have the same number of points as
530	!- the original and thus in this routine we will only
531	!- add two variable (longitude and latitude).
532	!- Any variable in the file can thus point to this pair
533	!- through an attribute. This routine is very usefull
534	!- to allow staggered grids.
535	!-
536	!- INPUT
537	!-
538	!- k_typ : Type of the grid (1 rectilinear, 2 regular, 3 irregular)
539	!- idf : The id of the file to which the grid should be added
540	!- pim : Size in the longitude direction
541	!- pjm : Size in the latitude direction (pjm=pim for type 3)
542	!- phname : The name of grid
543	!- phtitle : The title of the grid
544	!-
545	!- OUTPUT
546	!-
547	!- phid : Id of the created grid
548	!-
549	!- Optional INPUT arguments
550	!-
551	!- For rectilinear or irregular grid
552	!- x_1d : The longitudes
553	!- y_1d : The latitudes
554	!- For regular grid
555	!- x_2d : The longitudes
556	!- y_2d : The latitudes
557	!- One pair (x_1d,y_1d) or (x_2d,y_2d) must be supplied.
558	!-
559	!- For irregular grid.
560	!- x_bnds : The boundaries of the grid in longitude
561	!- y_bnds : The boundaries of the grid in latitude
562	!---------------------------------------------------------------------
563	IMPLICIT NONE
564	!-
565	INTEGER,INTENT(IN) :: k_typ
566	INTEGER,INTENT(IN) :: idf,pim,pjm
567	CHARACTER(LEN=*),INTENT(IN) :: phname,phtitle
568	INTEGER,INTENT(OUT) :: phid
569	REAL,DIMENSION(:),INTENT(IN),OPTIONAL :: x_1d,y_1d
570	REAL,DIMENSION(:,:),INTENT(IN),OPTIONAL :: x_2d,y_2d
571	REAL,DIMENSION(:,:),INTENT(IN),OPTIONAL :: x_bnds,y_bnds
572	!-
573	CHARACTER(LEN=25) :: lon_name,lat_name
574	CHARACTER(LEN=30) :: lonbound_name,latbound_name
575	INTEGER :: i_s,i_e
576	INTEGER,DIMENSION(2) :: dims,dims_b
577	INTEGER :: nbbounds
578	INTEGER :: nlonidb,nlatidb,twoid
579	LOGICAL :: transp = .FALSE.
580	REAL,ALLOCATABLE,DIMENSION(:,:) :: bounds_trans
581	REAL :: wmn,wmx
582	INTEGER :: nlonid,nlatid
583	INTEGER :: o_x,o_y,s_x,s_y
584	INTEGER :: iret,nfid
585	CHARACTER(LEN=11) :: c_nam
586	LOGICAL :: l_dbg
587	!---------------------------------------------------------------------
588	CALL ipsldbg (old_status=l_dbg)
589	!-
590	IF (k_typ == 1) THEN
591	c_nam = 'histh_reg1d'
592	ELSEIF (k_typ == 2) THEN
593	c_nam = 'histh_reg2d'
594	ELSEIF (k_typ == 3) THEN
595	c_nam = 'histh_irreg'
596	ELSE
597	CALL ipslerr (3,"histhori", &
598	& 'Illegal value of k_typ argument','in internal interface','?')
599	ENDIF
600	!-
601	! 1.0 Check that all fits in the buffers
602	!-
603	IF ( (pim /= W_F(idf)%full_size(1)) &
604	& .OR.(W_F(idf)%regular.AND.(pjm /= W_F(idf)%full_size(2))) &
605	& .OR.(.NOT.W_F(idf)%regular.AND.(W_F(idf)%full_size(2) /= 1)) ) THEN
606	CALL ipslerr (3,"histhori", &
607	& 'The new horizontal grid does not have the same size', &
608	& 'as the one provided to histbeg. This is not yet ', &
609	& 'possible in the hist package.')
610	ENDIF
611	!-
612	! 1.1 Create all the variables needed
613	!-
614	IF (l_dbg) WRITE(,) c_nam//" 1.0"
615	!-
616	nfid = W_F(idf)%ncfid
617	!-
618	IF (k_typ == 3) THEN
619	IF (SIZE(x_bnds,DIM=1) == pim) THEN
620	nbbounds = SIZE(x_bnds,DIM=2)
621	transp = .TRUE.
622	ELSEIF (SIZE(x_bnds,DIM=2) == pim) THEN
623	nbbounds = SIZE(x_bnds,DIM=1)
624	transp = .FALSE.
625	ELSE
626	CALL ipslerr (3,"histhori", &
627	& 'The boundary variable does not have any axis corresponding', &
628	& 'to the size of the longitude or latitude variable','.')
629	ENDIF
630	ALLOCATE(bounds_trans(nbbounds,pim))
631	iret = NF90_DEF_DIM(nfid,'nbnd',nbbounds,twoid)
632	dims_b(1:2) = (/ twoid,W_F(idf)%xid /)
633	ENDIF
634	!-
635	dims(1:2) = (/ W_F(idf)%xid,W_F(idf)%yid /)
636	!-
637	IF (k_typ == 1) THEN
638	IF (W_F(idf)%n_hax == 0) THEN
639	lon_name = 'lon'
640	lat_name = 'lat'
641	ELSE
642	lon_name = 'lon_'//TRIM(phname)
643	lat_name = 'lat_'//TRIM(phname)
644	ENDIF
645	ELSEIF (k_typ == 2) THEN
646	IF (W_F(idf)%n_hax == 0) THEN
647	lon_name = 'nav_lon'
648	lat_name = 'nav_lat'
649	ELSE
650	lon_name = 'nav_lon_'//TRIM(phname)
651	lat_name = 'nav_lat_'//TRIM(phname)
652	ENDIF
653	ELSEIF (k_typ == 3) THEN
654	IF (W_F(idf)%n_hax == 0) THEN
655	lon_name = 'nav_lon'
656	lat_name = 'nav_lat'
657	ELSE
658	lon_name = 'nav_lon_'//TRIM(phname)
659	lat_name = 'nav_lat_'//TRIM(phname)
660	ENDIF
661	lonbound_name = TRIM(lon_name)//'_bounds'
662	latbound_name = TRIM(lat_name)//'_bounds'
663	ENDIF
664	!-
665	! 1.2 Save the informations
666	!-
667	phid = W_F(idf)%n_hax+1
668	W_F(idf)%n_hax = phid
669	W_F(idf)%hax_name(phid,1:2) = (/ lon_name,lat_name /)
670	!-
671	! 2.0 Longitude
672	!-
673	IF (l_dbg) WRITE(,) c_nam//" 2.0"
674	!-
675	i_s = 1;
676	IF ( (k_typ == 1).OR.(k_typ == 3) ) THEN
677	i_e = 1; wmn = MINVAL(x_1d); wmx = MAXVAL(x_1d);
678	ELSEIF (k_typ == 2) THEN
679	i_e = 2; wmn = MINVAL(x_2d); wmx = MAXVAL(x_2d);
680	ENDIF
681	iret = NF90_DEF_VAR(nfid,lon_name,NF90_REAL4,dims(i_s:i_e),nlonid)
682	IF (k_typ == 1) THEN
683	iret = NF90_PUT_ATT(nfid,nlonid,'axis',"X")
684	ENDIF
685	iret = NF90_PUT_ATT(nfid,nlonid,'standard_name',"longitude")
686	iret = NF90_PUT_ATT(nfid,nlonid,'units',"degrees_east")
687	iret = NF90_PUT_ATT(nfid,nlonid,'valid_min',REAL(wmn,KIND=4))
688	iret = NF90_PUT_ATT(nfid,nlonid,'valid_max',REAL(wmx,KIND=4))
689	iret = NF90_PUT_ATT(nfid,nlonid,'long_name',"Longitude")
690	iret = NF90_PUT_ATT(nfid,nlonid,'nav_model',TRIM(phtitle))
691	!-
692	IF (k_typ == 3) THEN
693	!---
694	!-- 2.1 Longitude bounds
695	!---
696	iret = NF90_PUT_ATT(nfid,nlonid,'bounds',TRIM(lonbound_name))
697	iret = NF90_DEF_VAR(nfid,lonbound_name,NF90_REAL4,dims_b(1:2),nlonidb)
698	iret = NF90_PUT_ATT(nfid,nlonidb,'long_name', &
699	& 'Boundaries for coordinate variable '//TRIM(lon_name))
700	ENDIF
701	!-
702	! 3.0 Latitude
703	!-
704	IF (l_dbg) WRITE(,) c_nam//" 3.0"
705	!-
706	i_e = 2;
707	IF ( (k_typ == 1).OR.(k_typ == 3) ) THEN
708	i_s = 2; wmn = MINVAL(y_1d); wmx = MAXVAL(y_1d);
709	ELSEIF (k_typ == 2) THEN
710	i_s = 1; wmn = MINVAL(y_2d); wmx = MAXVAL(y_2d);
711	ENDIF
712	iret = NF90_DEF_VAR(nfid,lat_name,NF90_REAL4,dims(i_s:i_e),nlatid)
713	IF (k_typ == 1) THEN
714	iret = NF90_PUT_ATT(nfid,nlatid,'axis',"Y")
715	ENDIF
716	!-
717	iret = NF90_PUT_ATT(nfid,nlatid,'standard_name',"latitude")
718	iret = NF90_PUT_ATT(nfid,nlatid,'units',"degrees_north")
719	iret = NF90_PUT_ATT(nfid,nlatid,'valid_min',REAL(wmn,KIND=4))
720	iret = NF90_PUT_ATT(nfid,nlatid,'valid_max',REAL(wmx,KIND=4))
721	iret = NF90_PUT_ATT(nfid,nlatid,'long_name',"Latitude")
722	iret = NF90_PUT_ATT(nfid,nlatid,'nav_model',TRIM(phtitle))
723	!-
724	IF (k_typ == 3) THEN
725	!---
726	!-- 3.1 Latitude bounds
727	!---
728	iret = NF90_PUT_ATT(nfid,nlatid,'bounds',TRIM(latbound_name))
729	iret = NF90_DEF_VAR(nfid,latbound_name,NF90_REAL4,dims_b(1:2),nlatidb)
730	iret = NF90_PUT_ATT(nfid,nlatidb,'long_name', &
731	& 'Boundaries for coordinate variable '//TRIM(lat_name))
732	ENDIF
733	!-
734	iret = NF90_ENDDEF(nfid)
735	!-
736	! 4.0 storing the geographical coordinates
737	!-
738	IF (l_dbg) WRITE(,) c_nam//" 4.0"
739	!-
740	IF ( (k_typ == 1).OR.(k_typ == 2) ) THEN
741	o_x = W_F(idf)%slab_ori(1)
742	o_y = W_F(idf)%slab_ori(2)
743	s_x = W_F(idf)%slab_siz(1)
744	s_y = W_F(idf)%slab_siz(2)
745	!---
746	!-- Transfer the longitude and the latitude
747	!---
748	IF (k_typ == 1) THEN
749	iret = NF90_PUT_VAR(nfid,nlonid,x_1d(o_x:o_x+s_x-1))
750	iret = NF90_PUT_VAR(nfid,nlatid,y_1d(o_y:o_y+s_y-1))
751	ELSEIF (k_typ == 2) THEN
752	iret = NF90_PUT_VAR(nfid,nlonid, &
753	& x_2d(o_x:o_x+s_x-1,o_y:o_y+s_y-1))
754	iret = NF90_PUT_VAR(nfid,nlatid, &
755	& y_2d(o_x:o_x+s_x-1,o_y:o_y+s_y-1))
756	ENDIF
757	ELSEIF (k_typ == 3) THEN
758	!---
759	!-- Transfer the longitude and the longitude bounds
760	!---
761	iret = NF90_PUT_VAR(nfid,nlonid,x_1d(1:pim))
762	!---
763	IF (transp) THEN
764	bounds_trans = TRANSPOSE(x_bnds)
765	ELSE
766	bounds_trans = x_bnds
767	ENDIF
768	iret = NF90_PUT_VAR(nfid,nlonidb,bounds_trans(1:nbbounds,1:pim))
769	!---
770	!-- Transfer the latitude and the latitude bounds
771	!---
772	iret = NF90_PUT_VAR(nfid,nlatid,y_1d(1:pim))
773	!---
774	IF (transp) THEN
775	bounds_trans = TRANSPOSE(y_bnds)
776	ELSE
777	bounds_trans = y_bnds
778	ENDIF
779	iret = NF90_PUT_VAR(nfid,nlatidb,bounds_trans(1:nbbounds,1:pim))
780	!---
781	DEALLOCATE(bounds_trans)
782	ENDIF
783	!-
784	iret = NF90_REDEF(nfid)
785	!-----------------------
786	END SUBROUTINE histh_all
787	!===
788	SUBROUTINE histvert (idf,pzaxname,pzaxtitle,pzaxunit, &
789	& pzsize,pzvalues,pzaxid,pdirect)
790	!---------------------------------------------------------------------
791	!- This subroutine defines a vertical axis and returns it s id.
792	!- It gives the user the possibility to the user to define many
793	!- different vertical axes. For each variable defined with histdef a
794	!- vertical axis can be specified with by it s ID.
795	!-
796	!- INPUT
797	!-
798	!- idf : ID of the file the variable should be archived in
799	!- pzaxname : Name of the vertical axis
800	!- pzaxtitle: title of the vertical axis
801	!- pzaxunit : Units of the vertical axis (no units if blank string)
802	!- pzsize : size of the vertical axis
803	!- pzvalues : Coordinate values of the vetical axis
804	!-
805	!- pdirect : is an optional argument which allows to specify the
806	!- the positive direction of the axis : up or down.
807	!- OUTPUT
808	!-
809	!- pzaxid : Returns the ID of the axis.
810	!- Note that this is not the netCDF ID !
811	!-
812	!- VERSION
813	!-
814	!---------------------------------------------------------------------
815	IMPLICIT NONE
816	!-
817	INTEGER,INTENT(IN) :: idf,pzsize
818	CHARACTER(LEN=*),INTENT(IN) :: pzaxname,pzaxunit,pzaxtitle
819	REAL,INTENT(IN) :: pzvalues(pzsize)
820	INTEGER,INTENT(OUT) :: pzaxid
821	CHARACTER(LEN=*),INTENT(IN),OPTIONAL :: pdirect
822	!-
823	INTEGER :: pos,iv,zdimid,zaxid_tmp
824	CHARACTER(LEN=70) :: str71
825	CHARACTER(LEN=80) :: str80
826	CHARACTER(LEN=20) :: direction
827	INTEGER :: iret,leng,nfid
828	LOGICAL :: l_dbg
829	!---------------------------------------------------------------------
830	CALL ipsldbg (old_status=l_dbg)
831	!-
832	! 1.0 Verifications :
833	! Do we have enough space for an extra axis ?
834	! Is the name already in use ?
835	!-
836	IF (l_dbg) WRITE(,) "histvert : 1.0 Verifications", &
837	& pzaxname,'---',pzaxunit,'---',pzaxtitle
838	!-
839	! - Direction of axis. Can we get if from the user.
840	! If not we put unknown.
841	!-
842	IF (PRESENT(pdirect)) THEN
843	direction = TRIM(pdirect)
844	CALL strlowercase (direction)
845	ELSE
846	direction = 'unknown'
847	ENDIF
848	!-
849	! Check the consistency of the attribute
850	!-
851	IF ( (direction /= 'unknown') &
852	& .AND.(direction /= 'up') &
853	& .AND.(direction /= 'down') ) THEN
854	direction = 'unknown'
855	str80 = 'The specified axis was : '//TRIM(direction)
856	CALL ipslerr (2,"histvert",&
857	& "The specified direction for the vertical axis is not possible.",&
858	& "it is replaced by : unknown",str80)
859	ENDIF
860	!-
861	IF (W_F(idf)%n_zax+1 > nb_zax_max) THEN
862	CALL ipslerr (3,"histvert", &
863	& 'Table of vertical axes too small. You should increase ',&
864	& 'nb_zax_max in histcom.f90 in order to accomodate all ', &
865	& 'these variables ')
866	ENDIF
867	!-
868	iv = W_F(idf)%n_zax
869	IF (iv > 1) THEN
870	CALL find_str (W_F(idf)%zax_name(1:iv-1),pzaxname,pos)
871	ELSE
872	pos = 0
873	ENDIF
874	!-
875	IF (pos > 0) THEN
876	WRITE(str71,'("Check variable ",A," in file",I3)') &
877	& TRIM(pzaxname),idf
878	CALL ipslerr (3,"histvert", &
879	& "Vertical axis already exists",TRIM(str71), &
880	& "Can also be a wrong file ID in another declaration")
881	ENDIF
882	!-
883	iv = W_F(idf)%n_zax+1
884	!-
885	! 2.0 Add the information to the file
886	!-
887	IF (l_dbg) &
888	& WRITE(,) "histvert : 2.0 Add the information to the file"
889	!-
890	nfid = W_F(idf)%ncfid
891	!-
892	leng = MIN(LEN_TRIM(pzaxname),20)
893	iret = NF90_DEF_DIM (nfid,pzaxname(1:leng),pzsize,zaxid_tmp)
894	iret = NF90_DEF_VAR (nfid,pzaxname(1:leng),NF90_REAL4, &
895	& zaxid_tmp,zdimid)
896	iret = NF90_PUT_ATT (nfid,zdimid,'axis',"Z")
897	iret = NF90_PUT_ATT (nfid,zdimid,'standard_name',"model_level_number")
898	leng = MIN(LEN_TRIM(pzaxunit),20)
899	IF (leng > 0) THEN
900	iret = NF90_PUT_ATT (nfid,zdimid,'units',pzaxunit(1:leng))
901	ENDIF
902	iret = NF90_PUT_ATT (nfid,zdimid,'positive',TRIM(direction))
903	iret = NF90_PUT_ATT (nfid,zdimid,'valid_min', &
904	& REAL(MINVAL(pzvalues(1:pzsize)),KIND=4))
905	iret = NF90_PUT_ATT (nfid,zdimid,'valid_max', &
906	& REAL(MAXVAL(pzvalues(1:pzsize)),KIND=4))
907	leng = MIN(LEN_TRIM(pzaxname),20)
908	iret = NF90_PUT_ATT (nfid,zdimid,'title',pzaxname(1:leng))
909	leng = MIN(LEN_TRIM(pzaxtitle),80)
910	iret = NF90_PUT_ATT (nfid,zdimid,'long_name',pzaxtitle(1:leng))
911	!-
912	iret = NF90_ENDDEF (nfid)
913	!-
914	iret = NF90_PUT_VAR (nfid,zdimid,pzvalues(1:pzsize))
915	!-
916	iret = NF90_REDEF (nfid)
917	!-
918	!- 3.0 add the information to the common
919	!-
920	IF (l_dbg) &
921	& WRITE(,) "histvert : 3.0 add the information to the common"
922	!-
923	W_F(idf)%n_zax = iv
924	W_F(idf)%zax_size(iv) = pzsize
925	W_F(idf)%zax_name(iv) = pzaxname
926	W_F(idf)%zax_ids(iv) = zaxid_tmp
927	pzaxid = iv
928	!----------------------
929	END SUBROUTINE histvert
930	!===
931	SUBROUTINE histdef &
932	& (idf,pvarname,ptitle,punit, &
933	& pxsize,pysize,phoriid,pzsize,par_oriz,par_szz,pzid, &
934	& xtype,popp,pfreq_opp,pfreq_wrt,var_range,standard_name)
935	!---------------------------------------------------------------------
936	!- With this subroutine each variable to be archived on the history
937	!- tape should be declared.
938	!-
939	!- It gives the user the choise of operation
940	!- to be performed on the variables, the frequency of this operation
941	!- and finaly the frequency of the archiving.
942	!-
943	!- INPUT
944	!-
945	!- idf : ID of the file the variable should be archived in
946	!- pvarname : Name of the variable, short and easy to remember
947	!- ptitle : Full name of the variable
948	!- punit : Units of the variable (no units if blank string)
949	!-
950	!- The next 3 arguments give the size of that data
951	!- that will be passed to histwrite. The zoom will be
952	!- done there with the horizontal information obtained
953	!- in histbeg and the vertical information to follow.
954	!-
955	!- pxsize : Size in X direction (size of the data that will be
956	!- given to histwrite)
957	!- pysize : Size in Y direction
958	!- phoriid : ID of the horizontal axis
959	!-
960	!- The next two arguments give the vertical zoom to use.
961	!-
962	!- pzsize : Size in Z direction (If 1 then no axis is declared
963	!- for this variable and pzid is not used)
964	!- par_oriz : Off set of the zoom
965	!- par_szz : Size of the zoom
966	!-
967	!- pzid : ID of the vertical axis to use. It has to have
968	!- the size of the zoom.
969	!- xtype : External netCDF type (hist_r4/hist_r8)
970	!- popp : Operation to be performed. The following options
971	!- exist today :
972	!- inst : keeps instantaneous values for writting
973	!- ave : Computes the average from call between writes
974	!- pfreq_opp: Frequency of this operation (in seconds)
975	!- pfreq_wrt: Frequency at which the variable should be
976	!- written (in seconds)
977	!- var_range: Range of the variable.
978	!- If the minimum is greater than the maximum,
979	!- the values will be calculated.
980	!-
981	!- VERSION
982	!---------------------------------------------------------------------
983	IMPLICIT NONE
984	!-
985	INTEGER,INTENT(IN) :: idf,pxsize,pysize,pzsize,pzid
986	INTEGER,INTENT(IN) :: par_oriz,par_szz,xtype,phoriid
987	CHARACTER(LEN=*),INTENT(IN) :: pvarname,punit,popp,ptitle
988	REAL,INTENT(IN) :: pfreq_opp,pfreq_wrt
989	REAL,DIMENSION(2),OPTIONAL,INTENT(IN) :: var_range
990	CHARACTER(LEN=*),OPTIONAL,INTENT(IN) :: standard_name
991	!-
992	INTEGER :: iv
993	CHARACTER(LEN=70) :: str70,str71,str72
994	CHARACTER(LEN=20) :: tmp_name
995	CHARACTER(LEN=40) :: str40
996	CHARACTER(LEN=10) :: str10
997	CHARACTER(LEN=120) :: ex_topps
998	REAL :: un_an,un_jour,test_fopp,test_fwrt
999	INTEGER :: pos,buff_sz
1000	LOGICAL :: l_dbg
1001	!---------------------------------------------------------------------
1002	CALL ipsldbg (old_status=l_dbg)
1003	!-
1004	ex_topps = 'ave, inst, t_min, t_max, t_sum, once, never, l_max, l_min'
1005	!-
1006	W_F(idf)%n_var = W_F(idf)%n_var+1
1007	iv = W_F(idf)%n_var
1008	!-
1009	IF (iv > nb_var_max) THEN
1010	CALL ipslerr (3,"histdef", &
1011	& 'Table of variables too small. You should increase nb_var_max',&
1012	& 'in histcom.f90 in order to accomodate all these variables', &
1013	& ' ')
1014	ENDIF
1015	!-
1016	! 1.0 Transfer informations on the variable to the common
1017	! and verify that it does not already exist
1018	!-
1019	IF (l_dbg) WRITE(,) "histdef : 1.0"
1020	!-
1021	IF (iv > 1) THEN
1022	CALL find_str (W_F(idf)%W_V(1:iv-1)%v_name,pvarname,pos)
1023	ELSE
1024	pos = 0
1025	ENDIF
1026	!-
1027	IF (pos > 0) THEN
1028	str70 = "Variable already exists"
1029	WRITE(str71,'("Check variable ",a," in file",I3)') &
1030	& TRIM(pvarname),idf
1031	str72 = "Can also be a wrong file ID in another declaration"
1032	CALL ipslerr (3,"histdef",str70,str71,str72)
1033	ENDIF
1034	!-
1035	W_F(idf)%W_V(iv)%v_name = pvarname
1036	W_F(idf)%W_V(iv)%title = ptitle
1037	W_F(idf)%W_V(iv)%unit_name = punit
1038	IF (PRESENT(standard_name)) THEN
1039	W_F(idf)%W_V(iv)%std_name = standard_name
1040	ELSE
1041	W_F(idf)%W_V(iv)%std_name = ptitle
1042	ENDIF
1043	tmp_name = W_F(idf)%W_V(iv)%v_name
1044	!-
1045	! 1.1 decode the operations
1046	!-
1047	W_F(idf)%W_V(iv)%fullop = popp
1048	CALL buildop &
1049	& (TRIM(popp),ex_topps,W_F(idf)%W_V(iv)%topp,missing_val, &
1050	& W_F(idf)%W_V(iv)%sopp,W_F(idf)%W_V(iv)%scal, &
1051	& W_F(idf)%W_V(iv)%nbopp)
1052	!-
1053	! 1.2 If we have an even number of operations
1054	! then we need to add identity
1055	!-
1056	IF ( MOD(W_F(idf)%W_V(iv)%nbopp,2) == 0) THEN
1057	W_F(idf)%W_V(iv)%nbopp = W_F(idf)%W_V(iv)%nbopp+1
1058	W_F(idf)%W_V(iv)%sopp(W_F(idf)%W_V(iv)%nbopp) = 'ident'
1059	W_F(idf)%W_V(iv)%scal(W_F(idf)%W_V(iv)%nbopp) = missing_val
1060	ENDIF
1061	!-
1062	! 1.3 External type of the variable
1063	!-
1064	IF (xtype == hist_r8) THEN
1065	W_F(idf)%W_V(iv)%v_typ = hist_r8
1066	ELSE
1067	W_F(idf)%W_V(iv)%v_typ = hist_r4
1068	ENDIF
1069	!-
1070	! 2.0 Put the size of the variable in the common and check
1071	!-
1072	IF (l_dbg) THEN
1073	WRITE(,) "histdef : 2.0",idf,iv,W_F(idf)%W_V(iv)%nbopp, &
1074	& W_F(idf)%W_V(iv)%sopp(1:W_F(idf)%W_V(iv)%nbopp), &
1075	& W_F(idf)%W_V(iv)%scal(1:W_F(idf)%W_V(iv)%nbopp)
1076	ENDIF
1077	!-
1078	W_F(idf)%W_V(iv)%scsize(1:3) = (/ pxsize,pysize,pzsize /)
1079	W_F(idf)%W_V(iv)%zorig(1:3) = &
1080	& (/ W_F(idf)%slab_ori(1),W_F(idf)%slab_ori(2),par_oriz /)
1081	W_F(idf)%W_V(iv)%zsize(1:3) = &
1082	& (/ W_F(idf)%slab_siz(1),W_F(idf)%slab_siz(2),par_szz /)
1083	!-
1084	! Is the size of the full array the same as that of the coordinates ?
1085	!-
1086	IF ( (pxsize > W_F(idf)%full_size(1)) &
1087	& .OR.(pysize > W_F(idf)%full_size(2)) ) THEN
1088	!-
1089	str70 = "The size of the variable is different "// &
1090	& "from the one of the coordinates"
1091	WRITE(str71,'("Size of coordinates :",2I4)') &
1092	& W_F(idf)%full_size(1),W_F(idf)%full_size(2)
1093	WRITE(str72,'("Size declared for variable ",a," :",2I4)') &
1094	& TRIM(tmp_name),pxsize,pysize
1095	CALL ipslerr (3,"histdef",str70,str71,str72)
1096	ENDIF
1097	!-
1098	! Is the size of the zoom smaller than the coordinates ?
1099	!-
1100	IF ( (W_F(idf)%full_size(1) < W_F(idf)%slab_siz(1)) &
1101	& .OR.(W_F(idf)%full_size(2) < W_F(idf)%slab_siz(2)) ) THEN
1102	str70 = &
1103	& "Size of variable should be greater or equal to those of the zoom"
1104	WRITE(str71,'("Size of XY zoom :",2I4)') &
1105	& W_F(idf)%slab_siz(1),W_F(idf)%slab_siz(2)
1106	WRITE(str72,'("Size declared for variable ",A," :",2I4)') &
1107	& TRIM(tmp_name),pxsize,pysize
1108	CALL ipslerr (3,"histdef",str70,str71,str72)
1109	ENDIF
1110	!-
1111	! 2.1 We store the horizontal grid information with minimal
1112	! and a fall back onto the default grid
1113	!-
1114	IF ( (phoriid > 0).AND.(phoriid <= W_F(idf)%n_hax) ) THEN
1115	W_F(idf)%W_V(iv)%h_axid = phoriid
1116	ELSE
1117	W_F(idf)%W_V(iv)%h_axid = 1
1118	CALL ipslerr (2,"histdef", &
1119	& 'We use the default grid for variable as an invalide',&
1120	& 'ID was provided for variable : ',TRIM(pvarname))
1121	ENDIF
1122	!-
1123	! 2.2 Check the vertical coordinates if needed
1124	!-
1125	IF (par_szz > 1) THEN
1126	!-
1127	!-- Does the vertical coordinate exist ?
1128	!-
1129	IF (pzid > W_F(idf)%n_zax) THEN
1130	WRITE(str70, &
1131	& '("The vertical coordinate chosen for variable ",A)') &
1132	& TRIM(tmp_name)
1133	str71 = " Does not exist."
1134	CALL ipslerr (3,"histdef",str70,str71," ")
1135	ENDIF
1136	!-
1137	!-- Is the vertical size of the variable equal to that of the axis ?
1138	!-
1139	IF (par_szz /= W_F(idf)%zax_size(pzid)) THEN
1140	str70 = "The size of the zoom does not correspond "// &
1141	& "to the size of the chosen vertical axis"
1142	WRITE(str71,'("Size of zoom in z :",I4)') par_szz
1143	WRITE(str72,'("Size declared for axis ",A," :",I4)') &
1144	& TRIM(W_F(idf)%zax_name(pzid)),W_F(idf)%zax_size(pzid)
1145	CALL ipslerr (3,"histdef",str70,str71,str72)
1146	ENDIF
1147	!-
1148	!-- Is the zoom smaller that the total size of the variable ?
1149	!-
1150	IF (pzsize < par_szz) THEN
1151	str70 = "The vertical size of variable "// &
1152	& "is smaller than that of the zoom."
1153	WRITE(str71,'("Declared vertical size of data :",I5)') pzsize
1154	WRITE(str72,'("Size of zoom for variable ",a," = ",I5)') &
1155	& TRIM(tmp_name),par_szz
1156	CALL ipslerr (3,"histdef",str70,str71,str72)
1157	ENDIF
1158	W_F(idf)%W_V(iv)%z_axid = pzid
1159	ELSE
1160	W_F(idf)%W_V(iv)%z_axid = -99
1161	ENDIF
1162	!-
1163	! 3.0 We get the size of the arrays histwrite will get
1164	! and eventually allocate the time_buffer
1165	!-
1166	IF (l_dbg) THEN
1167	WRITE(,) "histdef : 3.0"
1168	ENDIF
1169	!-
1170	buff_sz = W_F(idf)%W_V(iv)%zsize(1) &
1171	& *W_F(idf)%W_V(iv)%zsize(2) &
1172	& *W_F(idf)%W_V(iv)%zsize(3)
1173	!-
1174	IF ( (TRIM(W_F(idf)%W_V(iv)%topp) /= "inst") &
1175	& .AND.(TRIM(W_F(idf)%W_V(iv)%topp) /= "once") &
1176	& .AND.(TRIM(W_F(idf)%W_V(iv)%topp) /= "never") )THEN
1177	ALLOCATE(W_F(idf)%W_V(iv)%t_bf(buff_sz))
1178	W_F(idf)%W_V(iv)%t_bf(:) = 0.
1179	IF (l_dbg) THEN
1180	WRITE(,) "histdef : 3.0 allocating time_buffer for", &
1181	& " idf = ",idf," iv = ",iv," size = ",buff_sz
1182	ENDIF
1183	ENDIF
1184	!-
1185	! 4.0 Transfer the frequency of the operations and check
1186	! for validity. We have to pay attention to negative values
1187	! of the frequency which indicate monthly time-steps.
1188	! The strategy is to bring it back to seconds for the tests
1189	!-
1190	IF (l_dbg) WRITE(,) "histdef : 4.0"
1191	!-
1192	W_F(idf)%W_V(iv)%freq_opp = pfreq_opp
1193	W_F(idf)%W_V(iv)%freq_wrt = pfreq_wrt
1194	!-
1195	CALL ioget_calendar(un_an,un_jour)
1196	IF (pfreq_opp < 0) THEN
1197	CALL ioget_calendar(un_an)
1198	test_fopp = pfreq_opp(-1.)un_an/12.*un_jour
1199	ELSE
1200	test_fopp = pfreq_opp
1201	ENDIF
1202	IF (pfreq_wrt < 0) THEN
1203	CALL ioget_calendar(un_an)
1204	test_fwrt = pfreq_wrt(-1.)un_an/12.*un_jour
1205	ELSE
1206	test_fwrt = pfreq_wrt
1207	ENDIF
1208	!-
1209	! 4.1 Frequency of operations and output should be larger than deltat !
1210	!-
1211	IF (test_fopp < W_F(idf)%deltat) THEN
1212	str70 = 'Frequency of operations should be larger than deltat'
1213	WRITE(str71,'("It is not the case for variable ",a," :",F10.4)') &
1214	& TRIM(tmp_name),pfreq_opp
1215	str72 = "PATCH : frequency set to deltat"
1216	!-
1217	CALL ipslerr (2,"histdef",str70,str71,str72)
1218	!-
1219	W_F(idf)%W_V(iv)%freq_opp = W_F(idf)%deltat
1220	ENDIF
1221	!-
1222	IF (test_fwrt < W_F(idf)%deltat) THEN
1223	str70 = 'Frequency of output should be larger than deltat'
1224	WRITE(str71,'("It is not the case for variable ",a," :",F10.4)') &
1225	& TRIM(tmp_name),pfreq_wrt
1226	str72 = "PATCH : frequency set to deltat"
1227	!-
1228	CALL ipslerr (2,"histdef",str70,str71,str72)
1229	!-
1230	W_F(idf)%W_V(iv)%freq_wrt = W_F(idf)%deltat
1231	ENDIF
1232	!-
1233	! 4.2 First the existence of the operation is tested and then
1234	! its compaticility with the choice of frequencies
1235	!-
1236	IF (TRIM(W_F(idf)%W_V(iv)%topp) == "inst") THEN
1237	IF (test_fopp /= test_fwrt) THEN
1238	str70 = 'For instantaneous output the frequency '// &
1239	& 'of operations and output'
1240	WRITE(str71, &
1241	& '("should be the same, this was not case for variable ",a)') &
1242	& TRIM(tmp_name)
1243	str72 = "PATCH : The smalest frequency of both is used"
1244	CALL ipslerr (2,"histdef",str70,str71,str72)
1245	IF (test_fopp < test_fwrt) THEN
1246	W_F(idf)%W_V(iv)%freq_opp = pfreq_opp
1247	W_F(idf)%W_V(iv)%freq_wrt = pfreq_opp
1248	ELSE
1249	W_F(idf)%W_V(iv)%freq_opp = pfreq_wrt
1250	W_F(idf)%W_V(iv)%freq_wrt = pfreq_wrt
1251	ENDIF
1252	ENDIF
1253	ELSE IF (INDEX(ex_topps,TRIM(W_F(idf)%W_V(iv)%topp)) > 0) THEN
1254	IF (test_fopp > test_fwrt) THEN
1255	str70 = 'For averages the frequency of operations '// &
1256	& 'should be smaller or equal'
1257	WRITE(str71, &
1258	& '("to that of output. It is not the case for variable ",a)') &
1259	& TRIM(tmp_name)
1260	str72 = 'PATCH : The output frequency is used for both'
1261	CALL ipslerr (2,"histdef",str70,str71,str72)
1262	W_F(idf)%W_V(iv)%freq_opp = pfreq_wrt
1263	ENDIF
1264	ELSE
1265	WRITE (str70,'("Operation on variable ",A," is unknown")') &
1266	& TRIM(tmp_name)
1267	WRITE (str71,'("operation requested is :",A)') &
1268	& W_F(idf)%W_V(iv)%topp
1269	WRITE (str72,'("File ID :",I3)') idf
1270	CALL ipslerr (3,"histdef",str70,str71,str72)
1271	ENDIF
1272	!-
1273	! 5.0 Initialize other variables of the common
1274	!-
1275	IF (l_dbg) WRITE(,) "histdef : 5.0"
1276	!-
1277	W_F(idf)%W_V(iv)%hist_wrt_rng = (PRESENT(var_range))
1278	IF (W_F(idf)%W_V(iv)%hist_wrt_rng) THEN
1279	W_F(idf)%W_V(iv)%hist_calc_rng = (var_range(1) > var_range(2))
1280	IF (W_F(idf)%W_V(iv)%hist_calc_rng) THEN
1281	W_F(idf)%W_V(iv)%hist_minmax(1:2) = &
1282	& (/ ABS(missing_val),-ABS(missing_val) /)
1283	ELSE
1284	W_F(idf)%W_V(iv)%hist_minmax(1:2) = var_range(1:2)
1285	ENDIF
1286	ENDIF
1287	!-
1288	! - freq_opp(idf,iv)/2./deltat(idf)
1289	W_F(idf)%W_V(iv)%last_opp = W_F(idf)%itau0
1290	! - freq_wrt(idf,iv)/2./deltat(idf)
1291	W_F(idf)%W_V(iv)%last_wrt = W_F(idf)%itau0
1292	! - freq_opp(idf,iv)/2./deltat(idf)
1293	W_F(idf)%W_V(iv)%last_opp_chk = W_F(idf)%itau0
1294	! - freq_wrt(idf,iv)/2./deltat(idf)
1295	W_F(idf)%W_V(iv)%last_wrt_chk = W_F(idf)%itau0
1296	W_F(idf)%W_V(iv)%nb_opp = 0
1297	W_F(idf)%W_V(iv)%nb_wrt = 0
1298	!-
1299	! 6.0 Get the time axis for this variable
1300	!-
1301	IF (l_dbg) WRITE(,) "histdef : 6.0"
1302	!-
1303	! No time axis for once, l_max, l_min or never operation
1304	!-
1305	IF ( (TRIM(W_F(idf)%W_V(iv)%topp) /= 'once') &
1306	& .AND.(TRIM(W_F(idf)%W_V(iv)%topp) /= 'never') &
1307	& .AND.(TRIM(W_F(idf)%W_V(iv)%topp) /= 'l_max') &
1308	& .AND.(TRIM(W_F(idf)%W_V(iv)%topp) /= 'l_min') ) THEN
1309	IF (TRIM(W_F(idf)%W_V(iv)%topp) == 'inst') THEN
1310	str10 = 't_inst_'
1311	ELSE
1312	str10 = 't_op_'
1313	ENDIF
1314	IF (W_F(idf)%W_V(iv)%freq_wrt > 0) THEN
1315	WRITE (UNIT=str40,FMT='(A,I8.8)') &
1316	& TRIM(str10),INT(W_F(idf)%W_V(iv)%freq_wrt)
1317	ELSE
1318	WRITE (UNIT=str40,FMT='(A,I2.2,"month")') &
1319	& TRIM(str10),ABS(INT(W_F(idf)%W_V(iv)%freq_wrt))
1320	ENDIF
1321	CALL find_str (W_F(idf)%W_V(1:W_F(idf)%n_tax)%tax_name,str40,pos)
1322	IF (pos < 0) THEN
1323	W_F(idf)%n_tax = W_F(idf)%n_tax+1
1324	W_F(idf)%W_V(iv)%l_bnd = &
1325	& (TRIM(W_F(idf)%W_V(iv)%topp) /= 'inst')
1326	W_F(idf)%W_V(W_F(idf)%n_tax)%tax_name = str40
1327	W_F(idf)%W_V(W_F(idf)%n_tax)%tax_last = 0
1328	W_F(idf)%W_V(iv)%t_axid = W_F(idf)%n_tax
1329	ELSE
1330	W_F(idf)%W_V(iv)%t_axid = pos
1331	ENDIF
1332	ELSE
1333	IF (l_dbg) THEN
1334	WRITE(,) "histdef : 7.0 ",TRIM(W_F(idf)%W_V(iv)%topp),'----'
1335	ENDIF
1336	W_F(idf)%W_V(iv)%t_axid = -99
1337	ENDIF
1338	!-
1339	! 7.0 prepare frequence of writing and operation
1340	! for never or once operation
1341	!-
1342	IF ( (TRIM(W_F(idf)%W_V(iv)%topp) == 'once') &
1343	& .OR.(TRIM(W_F(idf)%W_V(iv)%topp) == 'never') ) THEN
1344	W_F(idf)%W_V(iv)%freq_opp = 0.
1345	W_F(idf)%W_V(iv)%freq_wrt = 0.
1346	ENDIF
1347	!---------------------
1348	END SUBROUTINE histdef
1349	!===
1350	SUBROUTINE histend (idf)
1351	!---------------------------------------------------------------------
1352	!- This subroutine end the decalaration of variables and sets the
1353	!- time axes in the netcdf file and puts it into the write mode.
1354	!-
1355	!- INPUT
1356	!-
1357	!- idf : ID of the file to be worked on
1358	!-
1359	!- VERSION
1360	!-
1361	!---------------------------------------------------------------------
1362	IMPLICIT NONE
1363	!-
1364	INTEGER,INTENT(IN) :: idf
1365	!-
1366	INTEGER :: nfid,nvid,iret,ndim,iv,itx,ziv,itax,dim_cnt
1367	INTEGER,DIMENSION(4) :: dims
1368	INTEGER :: year,month,day,hours,minutes
1369	REAL :: sec
1370	REAL :: rtime0
1371	CHARACTER(LEN=30) :: str30
1372	CHARACTER(LEN=35) :: str35
1373	CHARACTER(LEN=120) :: assoc
1374	CHARACTER(LEN=70) :: str70
1375	CHARACTER(LEN=3),DIMENSION(12) :: cal = &
1376	& (/ 'JAN','FEB','MAR','APR','MAY','JUN', &
1377	& 'JUL','AUG','SEP','OCT','NOV','DEC' /)
1378	CHARACTER(LEN=7) :: tmp_opp
1379	LOGICAL :: l_b
1380	LOGICAL :: l_dbg
1381	!---------------------------------------------------------------------
1382	CALL ipsldbg (old_status=l_dbg)
1383	!-
1384	nfid = W_F(idf)%ncfid
1385	!-
1386	! 1.0 Create the time axes
1387	!-
1388	IF (l_dbg) WRITE(,) "histend : 1.0"
1389	!-
1390	! 1.1 Define the time dimensions needed for this file
1391	!-
1392	iret = NF90_DEF_DIM (nfid,'time_counter', &
1393	& NF90_UNLIMITED,W_F(idf)%tid)
1394	DO iv=1,W_F(idf)%n_var
1395	IF (W_F(idf)%W_V(iv)%l_bnd) THEN
1396	iret = NF90_DEF_DIM (nfid,'tbnds',2,W_F(idf)%bid)
1397	EXIT
1398	ENDIF
1399	ENDDO
1400	!-
1401	! 1.2 Define all the time axes needed for this file
1402	!-
1403	DO itx=1,W_F(idf)%n_tax
1404	dims(1) = W_F(idf)%tid
1405	l_b = (INDEX(W_F(idf)%W_V(itx)%tax_name,"t_op_") == 1)
1406	IF (itx > 1) THEN
1407	str30 = W_F(idf)%W_V(itx)%tax_name
1408	ELSE
1409	str30 = "time_counter"
1410	ENDIF
1411	IF (l_b) THEN
1412	str35 = TRIM(str30)//'_bnds'
1413	ENDIF
1414	iret = NF90_DEF_VAR (nfid,TRIM(str30),NF90_REAL8, &
1415	& dims(1),W_F(idf)%W_V(itx)%tdimid)
1416	IF (itx <= 1) THEN
1417	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid,'axis',"T")
1418	ENDIF
1419	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1420	& 'standard_name',"time")
1421	!---
1422	! To transform the current itau into a real date and take it
1423	! as the origin of the file requires the time counter to change.
1424	! Thus it is an operation the user has to ask for.
1425	! This function should thus only be re-instated
1426	! if there is a ioconf routine to control it.
1427	!---
1428	!-- rtime0 = itau2date(itau0(idf),date0(idf),deltat(idf))
1429	rtime0 = W_F(idf)%date0
1430	!-
1431	CALL ju2ymds(rtime0,year,month,day,sec)
1432	!---
1433	! Catch any error induced by a change in calendar !
1434	!---
1435	IF (year < 0) THEN
1436	year = 2000+year
1437	ENDIF
1438	!-
1439	hours = INT(sec/(60.*60.))
1440	minutes = INT((sec-hours60.60.)/60.)
1441	sec = sec-(hours60.60.+minutes*60.)
1442	!-
1443	WRITE (UNIT=str70, &
1444	& FMT='(A,I4.4,"-",I2.2,"-",I2.2," ",I2.2,":",I2.2,":",I2.2)') &
1445	& 'seconds since ',year,month,day,hours,minutes,INT(sec)
1446	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1447	& 'units',TRIM(str70))
1448	!-
1449	CALL ioget_calendar (str30)
1450	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1451	& 'calendar',TRIM(str30))
1452	!-
1453	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1454	& 'title','Time')
1455	!-
1456	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1457	& 'long_name','Time axis')
1458	!-
1459	WRITE (UNIT=str70, &
1460	& FMT='(" ",I4.4,"-",A3,"-",I2.2," ",I2.2,":",I2.2,":",I2.2)') &
1461	& year,cal(month),day,hours,minutes,INT(sec)
1462	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1463	& 'time_origin',TRIM(str70))
1464	!---
1465	IF (l_b) THEN
1466	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1467	& 'bounds',TRIM(str35))
1468	dims(1:2) = (/ W_F(idf)%bid,W_F(idf)%tid /)
1469	iret = NF90_DEF_VAR (nfid,TRIM(str35),NF90_REAL8, &
1470	& dims(1:2),W_F(idf)%W_V(itx)%tbndid)
1471	ENDIF
1472	ENDDO
1473	!-
1474	! 2.0 declare the variables
1475	!-
1476	IF (l_dbg) WRITE(,) "histend : 2.0"
1477	!-
1478	DO iv=1,W_F(idf)%n_var
1479	!---
1480	itax = W_F(idf)%W_V(iv)%t_axid
1481	!---
1482	IF (W_F(idf)%regular) THEN
1483	dims(1:2) = (/ W_F(idf)%xid,W_F(idf)%yid /)
1484	dim_cnt = 2
1485	ELSE
1486	dims(1) = W_F(idf)%xid
1487	dim_cnt = 1
1488	ENDIF
1489	!---
1490	tmp_opp = W_F(idf)%W_V(iv)%topp
1491	ziv = W_F(idf)%W_V(iv)%z_axid
1492	!---
1493	! 2.1 dimension of field
1494	!---
1495	IF ((TRIM(tmp_opp) /= 'never')) THEN
1496	IF ( (TRIM(tmp_opp) /= 'once') &
1497	& .AND.(TRIM(tmp_opp) /= 'l_max') &
1498	& .AND.(TRIM(tmp_opp) /= 'l_min') ) THEN
1499	IF (ziv == -99) THEN
1500	ndim = dim_cnt+1
1501	dims(dim_cnt+1:dim_cnt+2) = (/ W_F(idf)%tid,0 /)
1502	ELSE
1503	ndim = dim_cnt+2
1504	dims(dim_cnt+1:dim_cnt+2) = &
1505	& (/ W_F(idf)%zax_ids(ziv),W_F(idf)%tid /)
1506	ENDIF
1507	ELSE
1508	IF (ziv == -99) THEN
1509	ndim = dim_cnt
1510	dims(dim_cnt+1:dim_cnt+2) = (/ 0,0 /)
1511	ELSE
1512	ndim = dim_cnt+1
1513	dims(dim_cnt+1:dim_cnt+2) = (/ W_F(idf)%zax_ids(ziv),0 /)
1514	ENDIF
1515	ENDIF
1516	!-
1517	iret = NF90_DEF_VAR (nfid,TRIM(W_F(idf)%W_V(iv)%v_name), &
1518	& W_F(idf)%W_V(iv)%v_typ,dims(1:ABS(ndim)),nvid)
1519	!-
1520	W_F(idf)%W_V(iv)%ncvid = nvid
1521	!-
1522	IF (LEN_TRIM(W_F(idf)%W_V(iv)%unit_name) > 0) THEN
1523	iret = NF90_PUT_ATT (nfid,nvid,'units', &
1524	& TRIM(W_F(idf)%W_V(iv)%unit_name))
1525	ENDIF
1526	iret = NF90_PUT_ATT (nfid,nvid,'standard_name', &
1527	& TRIM(W_F(idf)%W_V(iv)%std_name))
1528	!-
1529	IF (W_F(idf)%W_V(iv)%v_typ == hist_r8) THEN
1530	iret = NF90_PUT_ATT (nfid,nvid,'_FillValue',NF90_FILL_REAL8)
1531	ELSE
1532	iret = NF90_PUT_ATT (nfid,nvid,'_FillValue',NF90_FILL_REAL4)
1533	ENDIF
1534	IF (W_F(idf)%W_V(iv)%hist_wrt_rng) THEN
1535	IF (W_F(idf)%W_V(iv)%v_typ == hist_r8) THEN
1536	iret = NF90_PUT_ATT (nfid,nvid,'valid_min', &
1537	& REAL(W_F(idf)%W_V(iv)%hist_minmax(1),KIND=8))
1538	iret = NF90_PUT_ATT (nfid,nvid,'valid_max', &
1539	& REAL(W_F(idf)%W_V(iv)%hist_minmax(2),KIND=8))
1540	ELSE
1541	iret = NF90_PUT_ATT (nfid,nvid,'valid_min', &
1542	& REAL(W_F(idf)%W_V(iv)%hist_minmax(1),KIND=4))
1543	iret = NF90_PUT_ATT (nfid,nvid,'valid_max', &
1544	& REAL(W_F(idf)%W_V(iv)%hist_minmax(2),KIND=4))
1545	ENDIF
1546	ENDIF
1547	iret = NF90_PUT_ATT (nfid,nvid,'long_name', &
1548	& TRIM(W_F(idf)%W_V(iv)%title))
1549	iret = NF90_PUT_ATT (nfid,nvid,'online_operation', &
1550	& TRIM(W_F(idf)%W_V(iv)%fullop))
1551	!-
1552	SELECT CASE(ndim)
1553	CASE(-3,2:4)
1554	CASE DEFAULT
1555	CALL ipslerr (3,"histend", &
1556	& 'less than 2 or more than 4 dimensions are not', &
1557	& 'allowed at this stage',' ')
1558	END SELECT
1559	!-
1560	assoc=TRIM(W_F(idf)%hax_name(W_F(idf)%W_V(iv)%h_axid,2)) &
1561	& //' '//TRIM(W_F(idf)%hax_name(W_F(idf)%W_V(iv)%h_axid,1))
1562	!-
1563	ziv = W_F(idf)%W_V(iv)%z_axid
1564	IF (ziv > 0) THEN
1565	str30 = W_F(idf)%zax_name(ziv)
1566	assoc = TRIM(str30)//' '//TRIM(assoc)
1567	ENDIF
1568	!-
1569	IF (itax > 0) THEN
1570	IF (itax > 1) THEN
1571	str30 = W_F(idf)%W_V(itax)%tax_name
1572	ELSE
1573	str30 = "time_counter"
1574	ENDIF
1575	assoc = TRIM(str30)//' '//TRIM(assoc)
1576	!-
1577	IF (l_dbg) THEN
1578	WRITE(,) "histend : 2.0.n, freq_opp, freq_wrt", &
1579	& W_F(idf)%W_V(iv)%freq_opp,W_F(idf)%W_V(iv)%freq_wrt
1580	ENDIF
1581	!-
1582	iret = NF90_PUT_ATT (nfid,nvid,'interval_operation', &
1583	& REAL(W_F(idf)%W_V(iv)%freq_opp,KIND=4))
1584	iret = NF90_PUT_ATT (nfid,nvid,'interval_write', &
1585	& REAL(W_F(idf)%W_V(iv)%freq_wrt,KIND=4))
1586	ENDIF
1587	iret = NF90_PUT_ATT (nfid,nvid,'coordinates',TRIM(assoc))
1588	ENDIF
1589	ENDDO
1590	!-
1591	! 2.2 Add DOMAIN attributes if needed
1592	!-
1593	IF (W_F(idf)%dom_id_svg >= 0) THEN
1594	CALL flio_dom_att (nfid,W_F(idf)%dom_id_svg)
1595	ENDIF
1596	!-
1597	! 3.0 Put the netcdf file into write mode
1598	!-
1599	IF (l_dbg) WRITE(,) "histend : 3.0"
1600	!-
1601	iret = NF90_ENDDEF (nfid)
1602	!-
1603	! 4.0 Give some informations to the user
1604	!-
1605	IF (l_dbg) WRITE(,) "histend : 4.0"
1606	!-
1607	WRITE(str70,'("All variables have been initialized on file :",I3)') idf
1608	CALL ipslerr (1,'histend',str70,'',' ')
1609	!---------------------
1610	END SUBROUTINE histend
1611	!===
1612	SUBROUTINE histwrite_r1d (idf,pvarname,pitau,pdata,nbindex,nindex)
1613	!---------------------------------------------------------------------
1614	IMPLICIT NONE
1615	!-
1616	INTEGER,INTENT(IN) :: idf,pitau,nbindex
1617	INTEGER,DIMENSION(nbindex),INTENT(IN) :: nindex
1618	REAL,DIMENSION(:),INTENT(IN) :: pdata
1619	CHARACTER(LEN=*),INTENT(IN) :: pvarname
1620	!---------------------------------------------------------------------
1621	CALL histw_rnd (idf,pvarname,pitau,nbindex,nindex,pdata_1d=pdata)
1622	!---------------------------
1623	END SUBROUTINE histwrite_r1d
1624	!===
1625	SUBROUTINE histwrite_r2d (idf,pvarname,pitau,pdata,nbindex,nindex)
1626	!---------------------------------------------------------------------
1627	IMPLICIT NONE
1628	!-
1629	INTEGER,INTENT(IN) :: idf,pitau,nbindex
1630	INTEGER,DIMENSION(nbindex),INTENT(IN) :: nindex
1631	REAL,DIMENSION(:,:),INTENT(IN) :: pdata
1632	CHARACTER(LEN=*),INTENT(IN) :: pvarname
1633	!---------------------------------------------------------------------
1634	CALL histw_rnd (idf,pvarname,pitau,nbindex,nindex,pdata_2d=pdata)
1635	!---------------------------
1636	END SUBROUTINE histwrite_r2d
1637	!===
1638	SUBROUTINE histwrite_r3d (idf,pvarname,pitau,pdata,nbindex,nindex)
1639	!---------------------------------------------------------------------
1640	IMPLICIT NONE
1641	!-
1642	INTEGER,INTENT(IN) :: idf,pitau,nbindex
1643	INTEGER,DIMENSION(nbindex),INTENT(IN) :: nindex
1644	REAL,DIMENSION(:,:,:),INTENT(IN) :: pdata
1645	CHARACTER(LEN=*),INTENT(IN) :: pvarname
1646	!---------------------------------------------------------------------
1647	CALL histw_rnd (idf,pvarname,pitau,nbindex,nindex,pdata_3d=pdata)
1648	!---------------------------
1649	END SUBROUTINE histwrite_r3d
1650	!===
1651	SUBROUTINE histw_rnd (idf,pvarname,pitau,nbindex,nindex, &
1652	& pdata_1d,pdata_2d,pdata_3d)
1653	!---------------------------------------------------------------------
1654	IMPLICIT NONE
1655	!-
1656	INTEGER,INTENT(IN) :: idf,pitau,nbindex
1657	INTEGER,DIMENSION(nbindex),INTENT(IN) :: nindex
1658	CHARACTER(LEN=*),INTENT(IN) :: pvarname
1659	REAL,DIMENSION(:),INTENT(IN),OPTIONAL :: pdata_1d
1660	REAL,DIMENSION(:,:),INTENT(IN),OPTIONAL :: pdata_2d
1661	REAL,DIMENSION(:,:,:),INTENT(IN),OPTIONAL :: pdata_3d
1662	!-
1663	LOGICAL :: do_oper,do_write,largebuf,l1d,l2d,l3d
1664	INTEGER :: iv,io,nbpt_out
1665	INTEGER :: nbpt_in1
1666	INTEGER,DIMENSION(2) :: nbpt_in2
1667	INTEGER,DIMENSION(3) :: nbpt_in3
1668	REAL,ALLOCATABLE,DIMENSION(:),SAVE :: tbf_1
1669	CHARACTER(LEN=7) :: tmp_opp
1670	CHARACTER(LEN=13) :: c_nam
1671	LOGICAL :: l_dbg
1672	!---------------------------------------------------------------------
1673	CALL ipsldbg (old_status=l_dbg)
1674	!-
1675	l1d=PRESENT(pdata_1d); l2d=PRESENT(pdata_2d); l3d=PRESENT(pdata_3d);
1676	IF (l1d) THEN
1677	c_nam = 'histwrite_r1d'
1678	ELSE IF (l2d) THEN
1679	c_nam = 'histwrite_r2d'
1680	ELSE IF (l3d) THEN
1681	c_nam = 'histwrite_r3d'
1682	ENDIF
1683	!-
1684	IF (l_dbg) THEN
1685	WRITE(,) "histwrite : ",c_nam
1686	ENDIF
1687	!-
1688	! 1.0 Try to catch errors like specifying the wrong file ID.
1689	! Thanks Marine for showing us what errors users can make !
1690	!-
1691	IF ( (idf < 1).OR.(idf > nb_files_max) ) THEN
1692	CALL ipslerr (3,"histwrite", &
1693	& 'Illegal file ID in the histwrite of variable',pvarname,' ')
1694	ENDIF
1695	!-
1696	! 1.1 Find the id of the variable to be written and the real time
1697	!-
1698	CALL histvar_seq (idf,pvarname,iv)
1699	!-
1700	! 2.0 do nothing for never operation
1701	!-
1702	tmp_opp = W_F(idf)%W_V(iv)%topp
1703	!-
1704	IF (TRIM(tmp_opp) == "never") THEN
1705	W_F(idf)%W_V(iv)%last_opp_chk = -99
1706	W_F(idf)%W_V(iv)%last_wrt_chk = -99
1707	ENDIF
1708	!-
1709	! 3.0 We check if we need to do an operation
1710	!-
1711	IF (W_F(idf)%W_V(iv)%last_opp_chk == pitau) THEN
1712	CALL ipslerr (3,"histwrite", &
1713	& 'This variable has already been analysed at the present', &
1714	& 'time step',TRIM(pvarname))
1715	ENDIF
1716	!-
1717	CALL isittime &
1718	& (pitau,W_F(idf)%date0,W_F(idf)%deltat, &
1719	& W_F(idf)%W_V(iv)%freq_opp, &
1720	& W_F(idf)%W_V(iv)%last_opp, &
1721	& W_F(idf)%W_V(iv)%last_opp_chk,do_oper)
1722	!-
1723	! 4.0 We check if we need to write the data
1724	!-
1725	IF (W_F(idf)%W_V(iv)%last_wrt_chk == pitau) THEN
1726	CALL ipslerr (3,"histwrite", &
1727	& 'This variable as already been written for the present', &
1728	& 'time step',' ')
1729	ENDIF
1730	!-
1731	CALL isittime &
1732	& (pitau,W_F(idf)%date0,W_F(idf)%deltat, &
1733	& W_F(idf)%W_V(iv)%freq_wrt, &
1734	& W_F(idf)%W_V(iv)%last_wrt, &
1735	& W_F(idf)%W_V(iv)%last_wrt_chk,do_write)
1736	!-
1737	! 5.0 histwrite called
1738	!-
1739	IF (do_oper.OR.do_write) THEN
1740	!-
1741	!-- 5.1 Get the sizes of the data we will handle
1742	!-
1743	IF (W_F(idf)%W_V(iv)%datasz_in(1) <= 0) THEN
1744	!---- There is the risk here that the user has over-sized the array.
1745	!---- But how can we catch this ?
1746	!---- In the worst case we will do impossible operations
1747	!---- on part of the data !
1748	W_F(idf)%W_V(iv)%datasz_in(1:3) = -1
1749	IF (l1d) THEN
1750	W_F(idf)%W_V(iv)%datasz_in(1) = SIZE(pdata_1d)
1751	ELSE IF (l2d) THEN
1752	W_F(idf)%W_V(iv)%datasz_in(1) = SIZE(pdata_2d,DIM=1)
1753	W_F(idf)%W_V(iv)%datasz_in(2) = SIZE(pdata_2d,DIM=2)
1754	ELSE IF (l3d) THEN
1755	W_F(idf)%W_V(iv)%datasz_in(1) = SIZE(pdata_3d,DIM=1)
1756	W_F(idf)%W_V(iv)%datasz_in(2) = SIZE(pdata_3d,DIM=2)
1757	W_F(idf)%W_V(iv)%datasz_in(3) = SIZE(pdata_3d,DIM=3)
1758	ENDIF
1759	ENDIF
1760	!-
1761	!-- 5.2 The maximum size of the data will give the size of the buffer
1762	!-
1763	IF (W_F(idf)%W_V(iv)%datasz_max <= 0) THEN
1764	largebuf = .FALSE.
1765	DO io=1,W_F(idf)%W_V(iv)%nbopp
1766	IF (INDEX(fuchnbout,W_F(idf)%W_V(iv)%sopp(io)) > 0) THEN
1767	largebuf = .TRUE.
1768	ENDIF
1769	ENDDO
1770	IF (largebuf) THEN
1771	W_F(idf)%W_V(iv)%datasz_max = &
1772	& W_F(idf)%W_V(iv)%scsize(1) &
1773	& *W_F(idf)%W_V(iv)%scsize(2) &
1774	& *W_F(idf)%W_V(iv)%scsize(3)
1775	ELSE
1776	IF (l1d) THEN
1777	W_F(idf)%W_V(iv)%datasz_max = &
1778	& W_F(idf)%W_V(iv)%datasz_in(1)
1779	ELSE IF (l2d) THEN
1780	W_F(idf)%W_V(iv)%datasz_max = &
1781	& W_F(idf)%W_V(iv)%datasz_in(1) &
1782	& *W_F(idf)%W_V(iv)%datasz_in(2)
1783	ELSE IF (l3d) THEN
1784	W_F(idf)%W_V(iv)%datasz_max = &
1785	& W_F(idf)%W_V(iv)%datasz_in(1) &
1786	& *W_F(idf)%W_V(iv)%datasz_in(2) &
1787	& *W_F(idf)%W_V(iv)%datasz_in(3)
1788	ENDIF
1789	ENDIF
1790	ENDIF
1791	!-
1792	IF (.NOT.ALLOCATED(tbf_1)) THEN
1793	IF (l_dbg) THEN
1794	WRITE(,) &
1795	& c_nam//" : allocate tbf_1 for size = ", &
1796	& W_F(idf)%W_V(iv)%datasz_max
1797	ENDIF
1798	ALLOCATE(tbf_1(W_F(idf)%W_V(iv)%datasz_max))
1799	ELSE IF (W_F(idf)%W_V(iv)%datasz_max > SIZE(tbf_1)) THEN
1800	IF (l_dbg) THEN
1801	WRITE(,) &
1802	& c_nam//" : re-allocate tbf_1 for size = ", &
1803	& W_F(idf)%W_V(iv)%datasz_max
1804	ENDIF
1805	DEALLOCATE(tbf_1)
1806	ALLOCATE(tbf_1(W_F(idf)%W_V(iv)%datasz_max))
1807	ENDIF
1808	!-
1809	!-- We have to do the first operation anyway.
1810	!-- Thus we do it here and change the ranke
1811	!-- of the data at the same time. This should speed up things.
1812	!-
1813	nbpt_out = W_F(idf)%W_V(iv)%datasz_max
1814	IF (l1d) THEN
1815	nbpt_in1 = W_F(idf)%W_V(iv)%datasz_in(1)
1816	CALL mathop (W_F(idf)%W_V(iv)%sopp(1),nbpt_in1,pdata_1d, &
1817	& missing_val,nbindex,nindex, &
1818	& W_F(idf)%W_V(iv)%scal(1),nbpt_out,tbf_1)
1819	ELSE IF (l2d) THEN
1820	nbpt_in2(1:2) = W_F(idf)%W_V(iv)%datasz_in(1:2)
1821	CALL mathop (W_F(idf)%W_V(iv)%sopp(1),nbpt_in2,pdata_2d, &
1822	& missing_val,nbindex,nindex, &
1823	& W_F(idf)%W_V(iv)%scal(1),nbpt_out,tbf_1)
1824	ELSE IF (l3d) THEN
1825	nbpt_in3(1:3) = W_F(idf)%W_V(iv)%datasz_in(1:3)
1826	CALL mathop (W_F(idf)%W_V(iv)%sopp(1),nbpt_in3,pdata_3d, &
1827	& missing_val,nbindex,nindex, &
1828	& W_F(idf)%W_V(iv)%scal(1),nbpt_out,tbf_1)
1829	ENDIF
1830	CALL histwrite_real (idf,iv,pitau,nbpt_out, &
1831	& tbf_1,nbindex,nindex,do_oper,do_write)
1832	ENDIF
1833	!-
1834	! 6.0 Manage time steps
1835	!-
1836	IF ((TRIM(tmp_opp) /= "once").AND.(TRIM(tmp_opp) /= "never")) THEN
1837	W_F(idf)%W_V(iv)%last_opp_chk = pitau
1838	W_F(idf)%W_V(iv)%last_wrt_chk = pitau
1839	ELSE
1840	W_F(idf)%W_V(iv)%last_opp_chk = -99
1841	W_F(idf)%W_V(iv)%last_wrt_chk = -99
1842	ENDIF
1843	!-----------------------
1844	END SUBROUTINE histw_rnd
1845	!===
1846	SUBROUTINE histwrite_real &
1847	& (idf,iv,pitau,nbdpt,tbf_1,nbindex,nindex,do_oper,do_write)
1848	!---------------------------------------------------------------------
1849	!- This subroutine is internal and does the calculations and writing
1850	!- if needed. At a later stage it should be split into an operation
1851	!- and writing subroutines.
1852	!---------------------------------------------------------------------
1853	IMPLICIT NONE
1854	!-
1855	INTEGER,INTENT(IN) :: idf,pitau,iv, &
1856	& nbindex,nindex(nbindex),nbdpt
1857	REAL,DIMENSION(:) :: tbf_1
1858	LOGICAL,INTENT(IN) :: do_oper,do_write
1859	!-
1860	INTEGER :: tsz,nfid,nvid,iret,itax,io,nbin,nbout
1861	INTEGER :: nx,ny,nz,ky,kz,kt,kc
1862	INTEGER,DIMENSION(4) :: corner,edges
1863	INTEGER :: itime
1864	!-
1865	REAL :: rtime
1866	REAL,DIMENSION(2) :: t_bnd
1867	CHARACTER(LEN=7) :: tmp_opp
1868	REAL,ALLOCATABLE,DIMENSION(:),SAVE :: tbf_2
1869	LOGICAL :: l_dbg
1870	!---------------------------------------------------------------------
1871	CALL ipsldbg (old_status=l_dbg)
1872	!-
1873	IF (l_dbg) THEN
1874	WRITE(,) "histwrite 0.0 : VAR : ",W_F(idf)%W_V(iv)%v_name
1875	WRITE(,) "histwrite 0.0 : nbindex :",nbindex
1876	WRITE(,) "histwrite 0.0 : nindex :",nindex(1:MIN(3,nbindex)),'...'
1877	ENDIF
1878	!-
1879	! The sizes which can be encoutered
1880	!-
1881	tsz = W_F(idf)%W_V(iv)%zsize(1) &
1882	& *W_F(idf)%W_V(iv)%zsize(2) &
1883	& *W_F(idf)%W_V(iv)%zsize(3)
1884	!-
1885	! 1.0 We allocate and the temporary space needed for operations.
1886	! The buffers are only deallocated when more space is needed.
1887	! This reduces the umber of allocates but increases memory needs.
1888	!-
1889	IF (.NOT.ALLOCATED(tbf_2)) THEN
1890	IF (l_dbg) THEN
1891	WRITE(,) "histwrite_real 1.1 allocate tbf_2 ",SIZE(tbf_1)
1892	ENDIF
1893	ALLOCATE(tbf_2(W_F(idf)%W_V(iv)%datasz_max))
1894	ELSE IF (W_F(idf)%W_V(iv)%datasz_max > SIZE(tbf_2)) THEN
1895	IF (l_dbg) THEN
1896	WRITE(,) "histwrite_real 1.2 re-allocate tbf_2 : ", &
1897	& SIZE(tbf_1)," instead of ",SIZE(tbf_2)
1898	ENDIF
1899	DEALLOCATE(tbf_2)
1900	ALLOCATE(tbf_2(W_F(idf)%W_V(iv)%datasz_max))
1901	ENDIF
1902	!-
1903	rtime = pitau*W_F(idf)%deltat
1904	tmp_opp = W_F(idf)%W_V(iv)%topp
1905	!-
1906	! 3.0 Do the operations or transfer the slab of data into tbf_1
1907	!-
1908	IF (l_dbg) THEN
1909	WRITE(,) "histwrite: 3.0",idf
1910	ENDIF
1911	!-
1912	! 3.1 DO the Operations only if needed
1913	!-
1914	IF (do_oper) THEN
1915	nbout = nbdpt
1916	!-
1917	!-- 3.4 We continue the sequence of operations
1918	!-- we started in the interface routine
1919	!-
1920	DO io=2,W_F(idf)%W_V(iv)%nbopp,2
1921	nbin = nbout
1922	nbout = W_F(idf)%W_V(iv)%datasz_max
1923	CALL mathop(W_F(idf)%W_V(iv)%sopp(io),nbin,tbf_1, &
1924	& missing_val,nbindex,nindex,W_F(idf)%W_V(iv)%scal(io), &
1925	& nbout,tbf_2)
1926	IF (l_dbg) THEN
1927	WRITE(,) &
1928	& "histwrite: 3.4a nbout : ",nbin,nbout,W_F(idf)%W_V(iv)%sopp(io)
1929	ENDIF
1930	!-
1931	nbin = nbout
1932	nbout = W_F(idf)%W_V(iv)%datasz_max
1933	CALL mathop(W_F(idf)%W_V(iv)%sopp(io+1),nbin,tbf_2, &
1934	& missing_val,nbindex,nindex,W_F(idf)%W_V(iv)%scal(io+1), &
1935	& nbout,tbf_1)
1936	IF (l_dbg) THEN
1937	WRITE(,) &
1938	& "histwrite: 3.4b nbout : ",nbin,nbout,W_F(idf)%W_V(iv)%sopp(io+1)
1939	ENDIF
1940	ENDDO
1941	!-
1942	! 3.5 Zoom into the data
1943	!-
1944	IF (l_dbg) THEN
1945	WRITE(,) &
1946	& "histwrite: 3.5 size(tbf_1) : ",SIZE(tbf_1)
1947	WRITE(,) &
1948	& "histwrite: 3.5 slab in X :", &
1949	& W_F(idf)%W_V(iv)%zorig(1),W_F(idf)%W_V(iv)%zsize(1)
1950	WRITE(,) &
1951	& "histwrite: 3.5 slab in Y :", &
1952	& W_F(idf)%W_V(iv)%zorig(2),W_F(idf)%W_V(iv)%zsize(2)
1953	WRITE(,) &
1954	& "histwrite: 3.5 slab in Z :", &
1955	& W_F(idf)%W_V(iv)%zorig(3),W_F(idf)%W_V(iv)%zsize(3)
1956	WRITE(,) &
1957	& "histwrite: 3.5 slab of input:", &
1958	& W_F(idf)%W_V(iv)%scsize(1), &
1959	& W_F(idf)%W_V(iv)%scsize(2), &
1960	& W_F(idf)%W_V(iv)%scsize(3)
1961	ENDIF
1962	!---
1963	!-- We have to consider blocks of contiguous data
1964	!---
1965	nx=MAX(W_F(idf)%W_V(iv)%zsize(1),1)
1966	ny=MAX(W_F(idf)%W_V(iv)%zsize(2),1)
1967	nz=MAX(W_F(idf)%W_V(iv)%zsize(3),1)
1968	IF ( (W_F(idf)%W_V(iv)%zorig(1) == 1) &
1969	& .AND.( W_F(idf)%W_V(iv)%zsize(1) &
1970	& == W_F(idf)%W_V(iv)%scsize(1)) &
1971	& .AND.(W_F(idf)%W_V(iv)%zorig(2) == 1) &
1972	& .AND.( W_F(idf)%W_V(iv)%zsize(2) &
1973	& == W_F(idf)%W_V(iv)%scsize(2))) THEN
1974	kt = (W_F(idf)%W_V(iv)%zorig(3)-1)nxny
1975	tbf_2(1:nxnynz) = tbf_1(kt+1:kt+nxnynz)
1976	ELSEIF ( (W_F(idf)%W_V(iv)%zorig(1) == 1) &
1977	& .AND.( W_F(idf)%W_V(iv)%zsize(1) &
1978	& == W_F(idf)%W_V(iv)%scsize(1))) THEN
1979	kc = -nx*ny
1980	DO kz=W_F(idf)%W_V(iv)%zorig(3),W_F(idf)%W_V(iv)%zorig(3)+nz-1
1981	kc = kc+nx*ny
1982	kt = ( (kz-1)*W_F(idf)%W_V(iv)%scsize(2) &
1983	& +W_F(idf)%W_V(iv)%zorig(2)-1)*nx
1984	tbf_2(kc+1:kc+nxny) = tbf_1(kt+1:kt+nxny)
1985	ENDDO
1986	ELSE
1987	kc = -nx
1988	DO kz=W_F(idf)%W_V(iv)%zorig(3),W_F(idf)%W_V(iv)%zorig(3)+nz-1
1989	DO ky=W_F(idf)%W_V(iv)%zorig(2),W_F(idf)%W_V(iv)%zorig(2)+ny-1
1990	kc = kc+nx
1991	kt = ((kz-1)*W_F(idf)%W_V(iv)%scsize(2)+ky-1) &
1992	& *W_F(idf)%W_V(iv)%scsize(1) &
1993	& +W_F(idf)%W_V(iv)%zorig(1)-1
1994	tbf_2(kc+1:kc+nx) = tbf_1(kt+1:kt+nx)
1995	ENDDO
1996	ENDDO
1997	ENDIF
1998	!-
1999	!-- 4.0 Get the min and max of the field
2000	!-
2001	IF (l_dbg) THEN
2002	WRITE(,) "histwrite: 4.0 tbf_1",idf,iv, &
2003	& TRIM(tmp_opp),' ---- ',LEN_TRIM(tmp_opp),nbindex
2004	ENDIF
2005	!-
2006	IF (W_F(idf)%W_V(iv)%hist_calc_rng) THEN
2007	W_F(idf)%W_V(iv)%hist_minmax(1) = &
2008	& MIN(W_F(idf)%W_V(iv)%hist_minmax(1), &
2009	& MINVAL(tbf_2(1:tsz),MASK=tbf_2(1:tsz) /= missing_val))
2010	W_F(idf)%W_V(iv)%hist_minmax(2) = &
2011	& MAX(W_F(idf)%W_V(iv)%hist_minmax(2), &
2012	& MAXVAL(tbf_2(1:tsz),MASK=tbf_2(1:tsz) /= missing_val))
2013	ENDIF
2014	!-
2015	!-- 5.0 Do the operations if needed. In the case of instantaneous
2016	!-- output we do not transfer to the time_buffer.
2017	!-
2018	IF (l_dbg) THEN
2019	WRITE(,) "histwrite: 5.0 idf : ",idf," iv : ",iv," tsz : ",tsz
2020	ENDIF
2021	!-
2022	IF ( (TRIM(tmp_opp) /= "inst") &
2023	& .AND.(TRIM(tmp_opp) /= "once") ) THEN
2024	CALL moycum(tmp_opp,tsz,W_F(idf)%W_V(iv)%t_bf, &
2025	& tbf_2,W_F(idf)%W_V(iv)%nb_opp)
2026	ENDIF
2027	!-
2028	W_F(idf)%W_V(iv)%last_opp = pitau
2029	W_F(idf)%W_V(iv)%nb_opp = W_F(idf)%W_V(iv)%nb_opp+1
2030	!-
2031	ENDIF
2032	!-
2033	! 6.0 Write to file if needed
2034	!-
2035	IF (l_dbg) WRITE(,) "histwrite: 6.0",idf
2036	!-
2037	IF (do_write) THEN
2038	!-
2039	nfid = W_F(idf)%ncfid
2040	nvid = W_F(idf)%W_V(iv)%ncvid
2041	!-
2042	!-- 6.1 Do the operations that are needed before writting
2043	!-
2044	IF (l_dbg) WRITE(,) "histwrite: 6.1",idf
2045	!-
2046	IF ( (TRIM(tmp_opp) /= "inst") &
2047	& .AND.(TRIM(tmp_opp) /= "once") ) THEN
2048	t_bnd(1:2) = (/ W_F(idf)%W_V(iv)%last_wrt*W_F(idf)%deltat,rtime /)
2049	rtime = (t_bnd(1)+t_bnd(2))/2.0
2050	ENDIF
2051	!-
2052	!-- 6.2 Add a value to the time axis of this variable if needed
2053	!-
2054	IF ( (TRIM(tmp_opp) /= "l_max") &
2055	& .AND.(TRIM(tmp_opp) /= "l_min") &
2056	& .AND.(TRIM(tmp_opp) /= "once") ) THEN
2057	!-
2058	IF (l_dbg) WRITE(,) "histwrite: 6.2",idf
2059	!-
2060	itax = W_F(idf)%W_V(iv)%t_axid
2061	itime = W_F(idf)%W_V(iv)%nb_wrt+1
2062	!-
2063	IF (W_F(idf)%W_V(itax)%tax_last < itime) THEN
2064	iret = NF90_PUT_VAR (nfid,W_F(idf)%W_V(itax)%tdimid, &
2065	& (/ rtime /),start=(/ itime /),count=(/ 1 /))
2066	IF (W_F(idf)%W_V(itax)%tbndid > 0) THEN
2067	iret = NF90_PUT_VAR (nfid,W_F(idf)%W_V(itax)%tbndid, &
2068	& t_bnd,start=(/ 1,itime /),count=(/ 2,1 /))
2069	ENDIF
2070	W_F(idf)%W_V(itax)%tax_last = itime
2071	ENDIF
2072	ELSE
2073	itime=1
2074	ENDIF
2075	!-
2076	!-- 6.3 Write the data. Only in the case of instantaneous output
2077	! we do not write the buffer.
2078	!-
2079	IF (l_dbg) THEN
2080	WRITE(,) "histwrite: 6.3",idf,nfid,nvid,iv,itime
2081	ENDIF
2082	!-
2083	IF (W_F(idf)%W_V(iv)%scsize(3) == 1) THEN
2084	IF (W_F(idf)%regular) THEN
2085	corner(1:4) = (/ 1,1,itime,0 /)
2086	edges(1:4) = (/ W_F(idf)%W_V(iv)%zsize(1), &
2087	& W_F(idf)%W_V(iv)%zsize(2),1,0 /)
2088	ELSE
2089	corner(1:4) = (/ 1,itime,0,0 /)
2090	edges(1:4) = (/ W_F(idf)%W_V(iv)%zsize(1),1,0,0 /)
2091	ENDIF
2092	ELSE
2093	IF (W_F(idf)%regular) THEN
2094	corner(1:4) = (/ 1,1,1,itime /)
2095	edges(1:4) = (/ W_F(idf)%W_V(iv)%zsize(1), &
2096	& W_F(idf)%W_V(iv)%zsize(2), &
2097	& W_F(idf)%W_V(iv)%zsize(3),1 /)
2098	ELSE
2099	corner(1:4) = (/ 1,1,itime,0 /)
2100	edges(1:4) = (/ W_F(idf)%W_V(iv)%zsize(1), &
2101	& W_F(idf)%W_V(iv)%zsize(3),1,0 /)
2102	ENDIF
2103	ENDIF
2104	!-
2105	IF ( (TRIM(tmp_opp) /= "inst") &
2106	& .AND.(TRIM(tmp_opp) /= "once") ) THEN
2107	iret = NF90_PUT_VAR (nfid,nvid,W_F(idf)%W_V(iv)%t_bf, &
2108	& start=corner(1:4),count=edges(1:4))
2109	ELSE
2110	iret = NF90_PUT_VAR (nfid,nvid,tbf_2, &
2111	& start=corner(1:4),count=edges(1:4))
2112	ENDIF
2113	!-
2114	W_F(idf)%W_V(iv)%last_wrt = pitau
2115	W_F(idf)%W_V(iv)%nb_wrt = W_F(idf)%W_V(iv)%nb_wrt+1
2116	W_F(idf)%W_V(iv)%nb_opp = 0
2117	!---
2118	! After the write the file can be synchronized so that no data is
2119	! lost in case of a crash. This feature gives up on the benefits of
2120	! buffering and should only be used in debuging mode. A flag is
2121	! needed here to switch to this mode.
2122	!---
2123	! iret = NF90_SYNC (nfid)
2124	!-
2125	ENDIF
2126	!----------------------------
2127	END SUBROUTINE histwrite_real
2128	!===
2129	SUBROUTINE histvar_seq (idf,pvarname,idv)
2130	!---------------------------------------------------------------------
2131	!- This subroutine optimize the search for the variable in the table.
2132	!- In a first phase it will learn the succession of the variables
2133	!- called and then it will use the table to guess what comes next.
2134	!- It is the best solution to avoid lengthy searches through array
2135	!- vectors.
2136	!-
2137	!- ARGUMENTS :
2138	!-
2139	!- idf : id of the file on which we work
2140	!- pvarname : The name of the variable we are looking for
2141	!- idv : The var id we found
2142	!---------------------------------------------------------------------
2143	IMPLICIT NONE
2144	!-
2145	INTEGER,INTENT(in) :: idf
2146	CHARACTER(LEN=*),INTENT(IN) :: pvarname
2147	INTEGER,INTENT(out) :: idv
2148	!-
2149	LOGICAL,SAVE :: learning(nb_files_max)=.TRUE.
2150	INTEGER,SAVE :: overlap(nb_files_max) = -1
2151	INTEGER,SAVE :: varseq(nb_files_max,nb_var_max*3)
2152	INTEGER,SAVE :: varseq_len(nb_files_max) = 0
2153	INTEGER,SAVE :: varseq_pos(nb_files_max)
2154	INTEGER,SAVE :: varseq_err(nb_files_max) = 0
2155	INTEGER :: ib,sp,nn,pos
2156	CHARACTER(LEN=70) :: str70
2157	LOGICAL :: l_dbg
2158	!---------------------------------------------------------------------
2159	CALL ipsldbg (old_status=l_dbg)
2160	!-
2161	IF (l_dbg) THEN
2162	WRITE(,) 'histvar_seq, start of the subroutine :',learning(idf)
2163	ENDIF
2164	!-
2165	IF (learning(idf)) THEN
2166	!-
2167	!-- 1.0 We compute the length over which we are going
2168	!-- to check the overlap
2169	!-
2170	IF (overlap(idf) <= 0) THEN
2171	IF (W_F(idf)%n_var > 6) THEN
2172	overlap(idf) = W_F(idf)%n_var/3*2
2173	ELSE
2174	overlap(idf) = W_F(idf)%n_var
2175	ENDIF
2176	ENDIF
2177	!-
2178	!-- 1.1 Find the position of this string
2179	!-
2180	CALL find_str (W_F(idf)%W_V(1:W_F(idf)%n_var)%v_name,pvarname,pos)
2181	IF (pos > 0) THEN
2182	idv = pos
2183	ELSE
2184	CALL ipslerr (3,"histvar_seq", &
2185	& 'The name of the variable you gave has not been declared', &
2186	& 'You should use subroutine histdef for declaring variable', &
2187	& TRIM(pvarname))
2188	ENDIF
2189	!-
2190	!-- 1.2 If we have not given up we store the position
2191	!-- in the sequence of calls
2192	!-
2193	IF (varseq_err(idf) >= 0) THEN
2194	sp = varseq_len(idf)+1
2195	IF (sp <= nb_var_max*3) THEN
2196	varseq(idf,sp) = idv
2197	varseq_len(idf) = sp
2198	ELSE
2199	CALL ipslerr (2,"histvar_seq",&
2200	& 'The learning process has failed and we give up. '// &
2201	& 'Either you sequence is',&
2202	& 'too complex or I am too dumb. '// &
2203	& 'This will only affect the efficiency',&
2204	& 'of your code. Thus if you wish to save time'// &
2205	& ' contact the IOIPSL team. ')
2206	WRITE(,) 'The sequence we have found up to now :'
2207	WRITE(,) varseq(idf,1:sp-1)
2208	varseq_err(idf) = -1
2209	ENDIF
2210	!-
2211	!---- 1.3 Check if we have found the right overlap
2212	!-
2213	IF (varseq_len(idf) >= overlap(idf)*2) THEN
2214	!-
2215	!------ We skip a few variables if needed as they could come
2216	!------ from the initialisation of the model.
2217	!-
2218	DO ib = 0,sp-overlap(idf)*2
2219	IF ( learning(idf) .AND.&
2220	& SUM(ABS(varseq(idf,ib+1:ib+overlap(idf)) -&
2221	& varseq(idf,sp-overlap(idf)+1:sp))) == 0 ) THEN
2222	learning(idf) = .FALSE.
2223	varseq_len(idf) = sp-overlap(idf)-ib
2224	varseq_pos(idf) = overlap(idf)+ib
2225	varseq(idf,1:varseq_len(idf)) = &
2226	& varseq(idf,ib+1:ib+varseq_len(idf))
2227	ENDIF
2228	ENDDO
2229	ENDIF
2230	ENDIF
2231	ELSE
2232	!-
2233	!-- 2.0 Now we know how the calls to histwrite are sequenced
2234	!-- and we can get a guess at the var ID
2235	!-
2236	nn = varseq_pos(idf)+1
2237	IF (nn > varseq_len(idf)) nn = 1
2238	!-
2239	idv = varseq(idf,nn)
2240	!-
2241	IF (TRIM(W_F(idf)%W_V(idv)%v_name) /= TRIM(pvarname)) THEN
2242	CALL find_str (W_F(idf)%W_V(1:W_F(idf)%n_var)%v_name,pvarname,pos)
2243	IF (pos > 0) THEN
2244	idv = pos
2245	ELSE
2246	CALL ipslerr (3,"histvar_seq", &
2247	& 'The name of the variable you gave has not been declared',&
2248	& 'You should use subroutine histdef for declaring variable', &
2249	& TRIM(pvarname))
2250	ENDIF
2251	varseq_err(idf) = varseq_err(idf)+1
2252	ELSE
2253	!-
2254	!---- We only keep the new position if we have found the variable
2255	!---- this way. This way an out of sequence call to histwrite does
2256	!---- not defeat the process.
2257	!-
2258	varseq_pos(idf) = nn
2259	ENDIF
2260	!-
2261	IF (varseq_err(idf) >= 10) THEN
2262	WRITE(str70,'("for file ",I3)') idf
2263	CALL ipslerr (2,"histvar_seq", &
2264	& 'There were 10 errors in the learned sequence of variables',&
2265	& str70,'This looks like a bug, please report it.')
2266	varseq_err(idf) = 0
2267	ENDIF
2268	ENDIF
2269	!-
2270	IF (l_dbg) THEN
2271	WRITE(,) &
2272	& 'histvar_seq, end of the subroutine :',TRIM(pvarname),idv
2273	ENDIF
2274	!-------------------------
2275	END SUBROUTINE histvar_seq
2276	!===
2277	SUBROUTINE histsync (idf)
2278	!---------------------------------------------------------------------
2279	!- This subroutine will synchronise all
2280	!- (or one if defined) opened files.
2281	!-
2282	!- VERSION
2283	!-
2284	!---------------------------------------------------------------------
2285	IMPLICIT NONE
2286	!-
2287	! idf : optional argument for fileid
2288	INTEGER,INTENT(in),OPTIONAL :: idf
2289	!-
2290	INTEGER :: ifile,iret,i_s,i_e
2291	!-
2292	LOGICAL :: l_dbg
2293	!---------------------------------------------------------------------
2294	CALL ipsldbg (old_status=l_dbg)
2295	!-
2296	IF (l_dbg) THEN
2297	WRITE(,) "->histsync"
2298	ENDIF
2299	!-
2300	IF (PRESENT(idf)) THEN
2301	IF ( (idf >= 1).AND.(idf <= nb_files_max) ) THEN
2302	IF (W_F(idf)%ncfid > 0) THEN
2303	i_s = idf
2304	i_e = idf
2305	ELSE
2306	i_s = 1
2307	i_e = 0
2308	CALL ipslerr (2,'histsync', &
2309	& 'Unable to synchronise the file :','probably','not opened')
2310	ENDIF
2311	ELSE
2312	CALL ipslerr (3,'histsync','Invalid file identifier',' ',' ')
2313	ENDIF
2314	ELSE
2315	i_s = 1
2316	i_e = nb_files_max
2317	ENDIF
2318	!-
2319	DO ifile=i_s,i_e
2320	IF (W_F(ifile)%ncfid > 0) THEN
2321	IF (l_dbg) THEN
2322	WRITE(,) ' histsync - synchronising file number ',ifile
2323	ENDIF
2324	iret = NF90_SYNC(W_F(ifile)%ncfid)
2325	ENDIF
2326	ENDDO
2327	!-
2328	IF (l_dbg) THEN
2329	WRITE(,) "<-histsync"
2330	ENDIF
2331	!----------------------
2332	END SUBROUTINE histsync
2333	!===
2334	SUBROUTINE histclo (idf)
2335	!---------------------------------------------------------------------
2336	!- This subroutine will close all (or one if defined) opened files
2337	!-
2338	!- VERSION
2339	!-
2340	!---------------------------------------------------------------------
2341	IMPLICIT NONE
2342	!-
2343	! idf : optional argument for fileid
2344	INTEGER,INTENT(in),OPTIONAL :: idf
2345	!-
2346	INTEGER :: ifile,nfid,nvid,iret,iv,i_s,i_e
2347	LOGICAL :: l_dbg
2348	!---------------------------------------------------------------------
2349	CALL ipsldbg (old_status=l_dbg)
2350	!-
2351	IF (l_dbg) THEN
2352	WRITE(,) "->histclo"
2353	ENDIF
2354	!-
2355	IF (PRESENT(idf)) THEN
2356	IF ( (idf >= 1).AND.(idf <= nb_files_max) ) THEN
2357	IF (W_F(idf)%ncfid > 0) THEN
2358	i_s = idf
2359	i_e = idf
2360	ELSE
2361	i_s = 1
2362	i_e = 0
2363	CALL ipslerr (2,'histclo', &
2364	& 'Unable to close the file :','probably','not opened')
2365	ENDIF
2366	ELSE
2367	CALL ipslerr (3,'histclo','Invalid file identifier',' ',' ')
2368	ENDIF
2369	ELSE
2370	i_s = 1
2371	i_e = nb_files_max
2372	ENDIF
2373	!-
2374	DO ifile=i_s,i_e
2375	IF (W_F(ifile)%ncfid > 0) THEN
2376	IF (l_dbg) THEN
2377	WRITE(,) ' histclo - closing specified file number :',ifile
2378	ENDIF
2379	nfid = W_F(ifile)%ncfid
2380	iret = NF90_REDEF(nfid)
2381	!-----
2382	!---- 1. Loop on the number of variables to add some final information
2383	!-----
2384	IF (l_dbg) THEN
2385	WRITE(,) ' Entering loop on vars : ',W_F(ifile)%n_var
2386	ENDIF
2387	DO iv=1,W_F(ifile)%n_var
2388	!------ Extrema
2389	IF (W_F(ifile)%W_V(iv)%hist_wrt_rng) THEN
2390	IF (l_dbg) THEN
2391	WRITE(,) 'min value for file :',ifile,' var n. :',iv, &
2392	& ' is : ',W_F(ifile)%W_V(iv)%hist_minmax(1)
2393	WRITE(,) 'max value for file :',ifile,' var n. :',iv, &
2394	& ' is : ',W_F(ifile)%W_V(iv)%hist_minmax(2)
2395	ENDIF
2396	IF (W_F(ifile)%W_V(iv)%hist_calc_rng) THEN
2397	!---------- Put the min and max values on the file
2398	nvid = W_F(ifile)%W_V(iv)%ncvid
2399	IF (W_F(ifile)%W_V(iv)%v_typ == hist_r8) THEN
2400	iret = NF90_PUT_ATT(nfid,nvid,'valid_min', &
2401	& REAL(W_F(ifile)%W_V(iv)%hist_minmax(1),KIND=8))
2402	iret = NF90_PUT_ATT(nfid,nvid,'valid_max', &
2403	& REAL(W_F(ifile)%W_V(iv)%hist_minmax(2),KIND=8))
2404	ELSE
2405	iret = NF90_PUT_ATT(nfid,nvid,'valid_min', &
2406	& REAL(W_F(ifile)%W_V(iv)%hist_minmax(1),KIND=4))
2407	iret = NF90_PUT_ATT(nfid,nvid,'valid_max', &
2408	& REAL(W_F(ifile)%W_V(iv)%hist_minmax(2),KIND=4))
2409	ENDIF
2410	ENDIF
2411	ENDIF
2412	!------ Time-Buffers
2413	IF (ASSOCIATED(W_F(ifile)%W_V(iv)%t_bf)) THEN
2414	DEALLOCATE(W_F(ifile)%W_V(iv)%t_bf)
2415	ENDIF
2416	!------ Reinitialize the sizes
2417	W_F(ifile)%W_V(iv)%datasz_in(:) = -1
2418	W_F(ifile)%W_V(iv)%datasz_max = -1
2419	ENDDO
2420	!-----
2421	!---- 2. Close the file
2422	!-----
2423	IF (l_dbg) WRITE(,) ' close file :',nfid
2424	iret = NF90_CLOSE(nfid)
2425	W_F(ifile)%ncfid = -1
2426	W_F(ifile)%dom_id_svg = -1
2427	ENDIF
2428	ENDDO
2429	!-
2430	IF (l_dbg) THEN
2431	WRITE(,) "<-histclo"
2432	ENDIF
2433	!---------------------
2434	END SUBROUTINE histclo
2435	!===
2436	SUBROUTINE ioconf_modname (str)
2437	!---------------------------------------------------------------------
2438	!- This subroutine allows to configure the name
2439	!- of the model written into the file
2440	!---------------------------------------------------------------------
2441	IMPLICIT NONE
2442	!-
2443	CHARACTER(LEN=*),INTENT(IN) :: str
2444	!---------------------------------------------------------------------
2445	IF (.NOT.lock_modname) THEN
2446	model_name = str(1:MIN(LEN_TRIM(str),80))
2447	lock_modname = .TRUE.
2448	ELSE
2449	CALL ipslerr (2,"ioconf_modname", &
2450	& 'The model name can only be changed once and only', &
2451	& 'before it is used. It is now set to :',model_name)
2452	ENDIF
2453	!----------------------------
2454	END SUBROUTINE ioconf_modname
2455	!-
2456	!===
2457	!-
2458	!-----------------
2459	END MODULE histcom

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