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source: palm/trunk/UTIL/inifor/src/inifor.f90 @ 4782

Last change on this file since 4782 was 4756, checked in by eckhard, 4 years ago
inifor: Fixed an error in surface pressure extrapolation
Property svn:keywords set to `Id`
File size: 27.7 KB

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1	!> @file src/inifor.f90
2	!------------------------------------------------------------------------------!
3	! This file is part of the PALM model system.
4	!
5	! PALM is free software: you can redistribute it and/or modify it under the
6	! terms of the GNU General Public License as published by the Free Software
7	! Foundation, either version 3 of the License, or (at your option) any later
8	! version.
9	!
10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
13	!
14	! You should have received a copy of the GNU General Public License along with
15	! PALM. If not, see <http://www.gnu.org/licenses/>.
16	!
17	! Copyright 2017-2020 Leibniz Universitaet Hannover
18	! Copyright 2017-2020 Deutscher Wetterdienst Offenbach
19	!------------------------------------------------------------------------------!
20	!
21	! Current revisions:
22	! -----------------
23	!
24	!
25	! Former revisions:
26	! -----------------
27	! $Id: inifor.f90 4756 2020-10-26 10:05:58Z gronemeier $
28	! Improved variable naming and code readabilty
29	!
30	!
31	! 4675 2020-09-11 10:00:26Z eckhard
32	! Support for soil profile initialization
33	! Improved code formatting
34	!
35	!
36	! 4659 2020-08-31 11:21:17Z eckhard
37	! List all warnings after successful run
38	! Only define netCDF variables in enabled IO groups
39	!
40	!
41	! 4523 2020-05-07 15:58:16Z eckhard
42	! respect integer working precision (iwp) specified in inifor_defs.f90
43	!
44	!
45	! 4481 2020-03-31 18:55:54Z maronga
46	! Alert user to warnings if any
47	!
48	!
49	! 3866 2019-04-05 14:25:01Z eckhard
50	! Use PALM's working precision
51	! Show error message if compiled without netCDF support
52	! Renamed run_control -> log_runtime
53	! Improved coding style added comments
54	!
55	!
56	! 3785 2019-03-06 10:41:14Z eckhard
57	! Average geostrophic wind components on coarse COSMO levels instead of fine PALM levels
58	! Remove --debug netCDF output of internal pressure profiles
59	!
60	! 3680 2019-01-18 14:54:12Z knoop
61	! Prefixed all INIFOR modules with inifor_
62	!
63	!
64	! 3615 2018-12-10 07:21:03Z raasch
65	! bugfix: abort replaced by inifor_abort
66	!
67	! 3613 2018-12-07 18:20:37Z eckhard
68	! Moved version output to setup_parameters()
69	!
70	! 3557 2018-11-22 16:01:22Z eckhard
71	! Updated documentation
72	!
73	! 3537 2018-11-20 10:53:14Z eckhard
74	! Print version number on program start
75	!
76	!
77	! 3456 2018-10-30 14:29:54Z eckhard
78	! NetCDf output of internal arrays only with --debug option
79	!
80	!
81	! 3401 2018-10-23 09:33:31Z eckhard
82	! Re-compute geostrophic winds every time step
83	!
84	! 3395 2018-10-22 17:32:49Z eckhard
85	! Added main loop support for computation of geostrophic winds and surface
86	! pressure
87	! Cleaned up terminal output, show some meVssages only with --debug option
88	!
89	! 3183 2018-07-27 14:25:55Z suehring
90	! Introduced new PALM grid stretching
91	! Renamend initial-condition mode variable 'mode' to 'ic_mode'
92	! Improved log messages
93	!
94	!
95	! 3182 2018-07-27 13:36:03Z suehring
96	! Initial revision
97	!
98	!
99	!
100	! Authors:
101	! --------
102	!> @author Eckhard Kadasch, (Deutscher Wetterdienst, Offenbach)
103	!
104	! Description:
105	! ------------
106	!> INIFOR is an interpolation tool for generating meteorological initialization
107	!> and forcing data for the urban climate model PALM-4U. The required
108	!> meteorological fields are interpolated from output data of the mesoscale
109	!> model COSMO. This is the main program file.
110	!------------------------------------------------------------------------------!
111	PROGRAM inifor
112
113	#if defined ( __netcdf )
114
115	USE inifor_control
116	USE inifor_defs
117	USE inifor_grid, &
118	ONLY: averaging_width_ns, &
119	averaging_width_ew, &
120	cfg, &
121	cosmo_grid, &
122	f3, &
123	fini_grids, &
124	fini_io_groups, &
125	fini_variables, &
126	fini_file_lists, &
127	io_group_list, &
128	lam_centre, &
129	lambda_n, &
130	nx, ny, nz, &
131	origin_lat, &
132	origin_lon, &
133	output_file, &
134	p0, &
135	phi_centre, &
136	phi_n, &
137	preprocess, &
138	palm_grid, &
139	setup_grids, &
140	setup_parameters, &
141	setup_variable_tables, &
142	setup_io_groups
143	USE inifor_io
144	USE inifor_transform, &
145	ONLY: average_pressure_perturbation, &
146	average_profile, &
147	geostrophic_winds, &
148	get_surface_pressure, &
149	interp_average_profile, &
150	interpolate_1d, &
151	interpolate_1d_arr, &
152	interpolate_2d, &
153	interpolate_3d
154	USE inifor_types
155
156	IMPLICIT NONE
157
158	INTEGER(iwp) :: igroup !< loop index for IO groups
159	INTEGER(iwp) :: ivar !< loop index for output variables
160	INTEGER(iwp) :: iter !< loop index for time steps
161
162	REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: output_arr !< array buffer for interpolated quantities
163	REAL(wp), ALLOCATABLE, DIMENSION(:), TARGET :: rho_centre_cosmo !< density profile of the centre averaging domain
164	REAL(wp), ALLOCATABLE, DIMENSION(:), TARGET :: ug_cosmo !< profile of the geostrophic wind in x direction on COSMO levels
165	REAL(wp), ALLOCATABLE, DIMENSION(:), TARGET :: vg_cosmo !< profile of the geostrophic wind in y direction on COSMO levels
166	REAL(wp), ALLOCATABLE, DIMENSION(:), TARGET :: ug_palm !< profile of the geostrophic wind in x direction interpolated onto PALM levels
167	REAL(wp), ALLOCATABLE, DIMENSION(:), TARGET :: vg_palm !< profile of the geostrophic wind in y direction interpolated onto PALM levels
168	REAL(wp), ALLOCATABLE, DIMENSION(:), TARGET :: rho_north_cosmo !< density profile of the northern averaging domain
169	REAL(wp), ALLOCATABLE, DIMENSION(:), TARGET :: rho_south_cosmo !< density profile of the southern averaging domain
170	REAL(wp), ALLOCATABLE, DIMENSION(:), TARGET :: rho_east_cosmo !< density profile of the eastern averaging domain
171	REAL(wp), ALLOCATABLE, DIMENSION(:), TARGET :: rho_west_cosmo !< density profile of the western averaging domain
172	REAL(wp), ALLOCATABLE, DIMENSION(:), TARGET :: p_north_cosmo !< pressure profile of the northern averaging domain
173	REAL(wp), ALLOCATABLE, DIMENSION(:), TARGET :: p_south_cosmo !< pressure profile of the southern averaging domain
174	REAL(wp), ALLOCATABLE, DIMENSION(:), TARGET :: p_east_cosmo !< pressure profile of the eastern averaging domain
175	REAL(wp), ALLOCATABLE, DIMENSION(:), TARGET :: p_west_cosmo !< pressure profile of the western averaging domain
176
177	REAL(wp), POINTER, DIMENSION(:) :: internal_cosmo_arr !< pointer to the currently processed internal array (density, pressure)
178	REAL(wp), POINTER, DIMENSION(:) :: ug_vg_palm !< pointer to the currently processed geostrophic wind component
179
180	TYPE(nc_var), POINTER :: output_var !< pointer to the currently processed output variable
181	TYPE(io_group), POINTER :: group !< pointer to the currently processed IO group
182	TYPE(container), ALLOCATABLE :: input_buffer(:) !< buffer of the current IO group's input arrays
183
184	LOGICAL, SAVE :: ug_vg_have_been_computed = .FALSE. !< flag for managing geostrophic wind allocation and computation
185	!LOGICAL, SAVE :: debugging_output = .TRUE. !< flag controllging output of internal variables
186
187	!> \mainpage About INIFOR
188	!> ...
189	!
190	!------------------------------------------------------------------------------
191	!- Section 1: Initialization
192	!------------------------------------------------------------------------------
193	CALL log_runtime( 'init', 'void' )
194
195	!
196	!-- Initialize INIFOR's parameters from command-line interface and namelists
197	CALL setup_parameters
198
199	!
200	!-- Initialize all grids, including interpolation neighbours and weights
201	CALL setup_grids
202	CALL log_runtime( 'time', 'init' )
203
204	!
205	!-- Initialize the netCDF output file and define dimensions
206	CALL setup_netcdf_dimensions( output_file, palm_grid, cfg%start_date, &
207	origin_lon, origin_lat )
208	CALL log_runtime( 'time', 'write' )
209
210	!
211	!-- Set up the tables containing the input and output variables and set
212	!-- the corresponding netCDF dimensions for each output variable
213	CALL setup_variable_tables
214	CALL setup_io_groups
215	CALL log_runtime( 'time', 'init' )
216	!
217	!-- Add the output variables to the netCDF output file
218	CALL setup_netcdf_variables( output_file%name, io_group_list)
219	CALL log_runtime( 'time', 'write' )
220
221	!------------------------------------------------------------------------------
222	!-- Section 2: Main loop
223	!------------------------------------------------------------------------------
224	!
225	!-- Input and output variables are organized into IO groups. For instance, the
226	!-- 'thermodynamics' IO group bundles the input variaebls T, P, QV and the
227	!-- output variables p, theta, rho, and qv.
228	!-- An IO group bunldes variables that are physically dependent on each other.
229	!-- In case of the 'thermodynamics' group, theta = f(P,T), rho = f(P,T,QV).
230	DO igroup = 1, SIZE( io_group_list )
231
232	group => io_group_list(igroup)
233	IF ( group%to_be_processed ) THEN
234
235	!-- Loop over all output time steps for the current group.
236	DO iter = 1, group%nt
237
238	!------------------------------------------------------------------------------
239	!-- Section 2.1: Read and preprocess input data
240	!------------------------------------------------------------------------------
241	CALL read_input_variables( group, iter, input_buffer )
242	CALL log_runtime( 'time', 'read' )
243
244	!-- Carry out all required physical conversion of the input variables
245	!-- of the current IO group on the input (COSMO) grid. For instance,
246	!-- horizontal velocities are rotated to the PALM coordinate system and
247	!-- potential temperature is computed from the absolute temperature and
248	!-- pressure.
249	CALL preprocess( group, input_buffer, cosmo_grid )
250	CALL log_runtime( 'time', 'comp' )
251
252	!TODO: move this assertion into 'preprocess'.
253	IF ( .NOT. ALL(input_buffer(:)%is_preprocessed .AND. .TRUE.) ) THEN
254	message = "Input buffers for group '" // TRIM( group%kind ) // &
255	"' could not be preprocessed sucessfully."
256	CALL inifor_abort( 'main loop', message )
257	ENDIF
258
259	!------------------------------------------------------------------------------
260	!-- Section 2.2: Interpolate each output variable of the group
261	!------------------------------------------------------------------------------
262	DO ivar = 1, group%nv
263
264	output_var => group%out_vars(ivar)
265
266	IF ( output_var%to_be_processed .AND. &
267	iter .LE. output_var%nt ) THEN
268
269	message = "Processing '" // TRIM( output_var%name ) // &
270	"' (" // TRIM( output_var%kind ) // &
271	"), iteration " // TRIM( str( iter ) ) //" of " //&
272	TRIM( str( output_var%nt ) )
273	CALL report( 'main loop', message )
274
275	SELECT CASE( TRIM( output_var%task ) )
276
277	!-- 2D horizontal interpolation
278	CASE( 'interpolate_2d' )
279
280	SELECT CASE( TRIM( output_var%kind ) )
281
282	CASE( 'init soil' )
283
284	ALLOCATE( output_arr(0:output_var%grid%nx, &
285	0:output_var%grid%ny, &
286	SIZE( output_var%grid%depths )) )
287
288	CASE ( 'surface forcing' )
289
290	ALLOCATE( output_arr(0:output_var%grid%nx, &
291	0:output_var%grid%ny, 1) )
292
293	CASE DEFAULT
294
295	message = "'" // TRIM( output_var%kind ) // "' is not a soil variable"
296	CALL inifor_abort( "main loop", message )
297
298	END SELECT
299	CALL log_runtime( 'time', 'alloc' )
300
301	CALL interpolate_2d( input_buffer(output_var%input_id)%array(:,:,:), &
302	output_arr(:,:,:), output_var%intermediate_grid, output_var )
303	CALL log_runtime( 'time', 'comp' )
304
305
306	!-- Interpolation in 3D, used for atmospheric initial and
307	!-- boundary conditions.
308	CASE ( 'interpolate_3d' )
309
310	ALLOCATE( output_arr(0:output_var%grid % nx, &
311	0:output_var%grid % ny, &
312	1:output_var%grid % nz) )
313
314	CALL log_runtime( 'time', 'alloc' )
315	CALL interpolate_3d( &
316	input_buffer(output_var%input_id)%array(:,:,:), &
317	output_arr(:,:,:), &
318	output_var%intermediate_grid, &
319	output_var%grid)
320	CALL log_runtime( 'time', 'comp' )
321
322	!-- Compute initial avaerage profiles (if --init-mode profile
323	!-- is used)
324	CASE ( 'average profile' )
325
326	ALLOCATE( output_arr(0:0, 0:0, 1:output_var%averaging_grid%nz) )
327	CALL log_runtime( 'time', 'alloc' )
328	CALL interp_average_profile( &
329	input_buffer(output_var%input_id)%array(:,:,:), &
330	output_arr(0,0,:), &
331	output_var%averaging_grid )
332
333	IF ( TRIM( output_var%name ) == &
334	'surface_forcing_surface_pressure' ) THEN
335
336	IF ( cfg%p0_is_set ) THEN
337	output_arr(0,0,1) = p0
338	ELSE
339	CALL get_surface_pressure( &
340	output_arr(0,0,:), &
341	rho_centre_cosmo, &
342	output_var%averaging_grid )
343	ENDIF
344
345	ENDIF
346	CALL log_runtime( 'time', 'comp' )
347
348	CASE ( 'average levels' )
349
350	ALLOCATE( output_arr(0:0, 0:0, 1:output_var%averaging_grid%nz) )
351	CALL log_runtime( 'time', 'alloc' )
352	CALL average_profile( &
353	input_buffer(output_var%input_id)%array(:,:,:), &
354	output_arr(0,0,:), &
355	output_var%averaging_grid &
356	)
357	CALL log_runtime( 'time', 'comp' )
358
359	!-- Compute internal profiles, required for differentiation of
360	!-- geostrophic wind
361	CASE ( 'internal profile' )
362
363	message = "Averaging of internal profile for variable '" //&
364	TRIM( output_var%name ) // "' is not supported."
365
366	SELECT CASE ( TRIM( output_var%name ) )
367
368	CASE( 'internal_density_centre' )
369	ALLOCATE( rho_centre_cosmo(1:cosmo_grid%nz) )
370	internal_cosmo_arr => rho_centre_cosmo
371
372	CASE( 'internal_density_north' )
373	ALLOCATE( rho_north_cosmo(1:cosmo_grid%nz) )
374	internal_cosmo_arr => rho_north_cosmo
375
376	CASE( 'internal_density_south' )
377	ALLOCATE( rho_south_cosmo(1:cosmo_grid%nz) )
378	internal_cosmo_arr => rho_south_cosmo
379
380	CASE( 'internal_density_east' )
381	ALLOCATE( rho_east_cosmo(1:cosmo_grid%nz) )
382	internal_cosmo_arr => rho_east_cosmo
383
384	CASE( 'internal_density_west' )
385	ALLOCATE( rho_west_cosmo(1:cosmo_grid%nz) )
386	internal_cosmo_arr => rho_west_cosmo
387
388	CASE( 'internal_pressure_north' )
389	ALLOCATE( p_north_cosmo(1:cosmo_grid%nz) )
390	internal_cosmo_arr => p_north_cosmo
391
392	CASE( 'internal_pressure_south' )
393	ALLOCATE( p_south_cosmo(1:cosmo_grid%nz) )
394	internal_cosmo_arr => p_south_cosmo
395
396	CASE( 'internal_pressure_east' )
397	ALLOCATE( p_east_cosmo(1:cosmo_grid%nz) )
398	internal_cosmo_arr => p_east_cosmo
399
400	CASE( 'internal_pressure_west' )
401	ALLOCATE( p_west_cosmo(1:cosmo_grid%nz) )
402	internal_cosmo_arr => p_west_cosmo
403
404	CASE DEFAULT
405	CALL inifor_abort( 'main loop', message )
406
407	END SELECT
408	CALL log_runtime( 'time', 'alloc' )
409
410
411	SELECT CASE( TRIM( output_var%name ) )
412
413	CASE( 'internal_pressure_north', &
414	'internal_pressure_south', &
415	'internal_pressure_east', &
416	'internal_pressure_west' )
417
418	CALL average_pressure_perturbation( &
419	input_buffer(output_var%input_id)%array(:,:,:), &
420	internal_cosmo_arr(:), &
421	cosmo_grid, output_var%averaging_grid &
422	)
423
424	CASE DEFAULT
425
426	CALL average_profile( &
427	input_buffer(output_var%input_id)%array(:,:,:), &
428	internal_cosmo_arr(:), &
429	output_var%averaging_grid &
430	)
431
432	END SELECT
433
434	CALL log_runtime( 'time', 'comp' )
435
436	!
437	!-- This case gets called twice, the first time for ug, the
438	!-- second time for vg. We compute ug and vg at the first call
439	!-- and keep both of them around for the second call.
440	CASE ( 'geostrophic winds' )
441
442	IF (.NOT. ug_vg_have_been_computed ) THEN
443	ALLOCATE( ug_palm(output_var%grid%nz) )
444	ALLOCATE( vg_palm(output_var%grid%nz) )
445	ALLOCATE( ug_cosmo(cosmo_grid%nz) )
446	ALLOCATE( vg_cosmo(cosmo_grid%nz) )
447
448	IF ( cfg%ug_defined_by_user ) THEN
449	ug_palm = cfg%ug
450	vg_palm = cfg%vg
451	ELSE
452	CALL geostrophic_winds( &
453	p_north_cosmo, p_south_cosmo, p_east_cosmo, &
454	p_west_cosmo, rho_centre_cosmo, f3, &
455	averaging_width_ew, &
456	averaging_width_ns, &
457	phi_n, lambda_n, &
458	phi_centre, lam_centre, &
459	ug_cosmo, vg_cosmo &
460	)
461
462	CALL interpolate_1d( ug_cosmo, ug_palm, &
463	output_var%grid )
464
465	CALL interpolate_1d( vg_cosmo, vg_palm, &
466	output_var%grid )
467	ENDIF
468
469	ug_vg_have_been_computed = .TRUE.
470
471	ENDIF
472
473	!
474	!-- Select output array of current geostrophic wind component
475	SELECT CASE( TRIM( output_var%name ) )
476	CASE ( 'ls_forcing_ug' )
477	ug_vg_palm => ug_palm
478	CASE ( 'ls_forcing_vg' )
479	ug_vg_palm => vg_palm
480	END SELECT
481
482	ALLOCATE( output_arr(1,1,output_var%grid%nz) )
483	output_arr(1,1,:) = ug_vg_palm(:)
484
485	!-- User defined constant profiles
486	CASE ( 'set profile' )
487
488	ALLOCATE( output_arr(1,1,1:nz) )
489	CALL log_runtime( 'time', 'alloc' )
490
491	SELECT CASE ( TRIM( output_var%name ) )
492
493	CASE ( 'nudging_tau' )
494	output_arr(1, 1, :) = NUDGING_TAU
495
496	CASE DEFAULT
497	message = "'" // TRIM( output_var%name ) // &
498	"' is not a valid '" // TRIM( output_var%kind ) //&
499	"' variable kind."
500	CALL inifor_abort( 'main loop', message )
501	END SELECT
502	CALL log_runtime( 'time', 'comp' )
503
504	CASE DEFAULT
505	message = "Processing task '" // TRIM( output_var%task ) //&
506	"' not recognized."
507	CALL inifor_abort( '', message )
508
509	END SELECT
510	CALL log_runtime( 'time', 'comp' )
511
512	!------------------------------------------------------------------------------
513	!- Section 2.3: Write current time step of current variable
514	!------------------------------------------------------------------------------
515	!
516	!-- Output of geostrophic pressure profiles (with --debug
517	!-- option) is currently deactivated, since they are now
518	!-- defined on averaged COSMO levels instead of PALM levels
519	!-- (requires definiton of COSMO levels in netCDF output.)
520	!IF (.NOT. output_var%is_internal .OR. debugging_output) THEN
521
522	IF ( .NOT. output_var%is_internal ) THEN
523	message = "Writing variable '" // TRIM( output_var%name ) // "'."
524	CALL report( 'main loop', message )
525	CALL update_output( output_var, output_arr, iter, &
526	output_file, cfg )
527	CALL log_runtime( 'time', 'write' )
528	ENDIF
529
530	IF ( ALLOCATED( output_arr ) ) DEALLOCATE( output_arr )
531	CALL log_runtime( 'time', 'alloc' )
532
533	ENDIF
534
535	!
536	!-- output variable loop
537	ENDDO
538
539	ug_vg_have_been_computed = .FALSE.
540	IF ( group%kind == 'thermodynamics' ) THEN
541	DEALLOCATE( rho_centre_cosmo )
542	DEALLOCATE( ug_palm )
543	DEALLOCATE( vg_palm )
544	DEALLOCATE( ug_cosmo )
545	DEALLOCATE( vg_cosmo )
546	IF ( .NOT. cfg%ug_defined_by_user ) THEN
547	DEALLOCATE( rho_north_cosmo )
548	DEALLOCATE( rho_south_cosmo )
549	DEALLOCATE( rho_east_cosmo )
550	DEALLOCATE( rho_west_cosmo )
551	DEALLOCATE( p_north_cosmo )
552	DEALLOCATE( p_south_cosmo )
553	DEALLOCATE( p_east_cosmo )
554	DEALLOCATE( p_west_cosmo )
555	ENDIF
556	ENDIF
557
558	!
559	!-- Keep input buffer around for averaged (radiation) and
560	!-- accumulated COSMO quantities (precipitation).
561	IF ( group%kind == 'running average' .OR. &
562	group%kind == 'accumulated' ) THEN
563	ELSE
564	CALL report( 'main loop', 'Deallocating input buffer', cfg%debug )
565	DEALLOCATE( input_buffer )
566	ENDIF
567	CALL log_runtime( 'time', 'alloc' )
568
569	!
570	!-- time steps / input files loop
571	ENDDO
572
573	IF ( ALLOCATED( input_buffer ) ) THEN
574	CALL report( 'main loop', 'Deallocating input buffer', cfg%debug )
575	DEALLOCATE( input_buffer )
576	ENDIF
577	CALL log_runtime( 'time', 'alloc' )
578
579	ELSE
580
581	message = "Skipping IO group " // TRIM( str( igroup ) ) // " '" // TRIM( group%kind ) // "'"
582	IF ( ALLOCATED( group%in_var_list ) ) THEN
583	message = TRIM( message ) // " with input variable '" // &
584	TRIM( group%in_var_list(1)%name ) // "'."
585	ENDIF
586
587	CALL report( 'main loop', message, cfg%debug )
588
589	!
590	!-- IO group%to_be_processed conditional
591	ENDIF
592
593	!
594	!-- IO groups loop
595	ENDDO
596
597	!------------------------------------------------------------------------------
598	!- Section 3: Clean up.
599	!------------------------------------------------------------------------------
600	CALL fini_file_lists
601	CALL fini_io_groups
602	CALL fini_variables
603	!CALL fini_grids
604	CALL log_runtime( 'time', 'alloc' )
605
606	CALL report_warnings
607	CALL report_success( output_file%name )
608	CALL report_runtime
609	CALL close_log
610
611	#else
612
613	USE inifor_control
614	IMPLICIT NONE
615
616	message = "INIFOR was compiled without netCDF support, which is required for it to run. " // &
617	"To use INIFOR, recompile PALM with netCDF support by adding the -D__netcdf " // &
618	"precompiler flag to your .palm.config file."
619	CALL inifor_abort( 'main loop', message )
620
621	#endif
622
623	END PROGRAM inifor

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