aboutsummaryrefslogtreecommitdiff
path: root/src/GRHydro_Boundaries.F90
blob: 6a3ed60edfdf52874eb151cb3990c1d7ee0edf4c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
 /*@@
   @file      GRHydro_Boundaries.F90
   @date      Sat Jan 26 01:01:14 2002
   @author    
   @desc 
   The two routines for dealing with boundary conditions.
   @enddesc 
 @@*/

#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Arguments.h"
#include "cctk_Functions.h"
#include "GRHydro_Macros.h"

#include "util_Table.h"

 /*@@
   @routine    GRHydro_InitSymBound
   @date       Sat Jan 26 01:03:04 2002
   @author     Ian Hawke
   @desc 
   Sets up the symmetries at the boundaries of the hydrodynamical variables.
   @enddesc 
   @calls     
   @calledby   
   @history 
   Direct translation of routines from GR3D, GRAstro_Hydro, 
   written by Mark Miller, or WaveToy routines, or...
   @endhistory 

@@*/

subroutine GRHydro_InitSymBound(CCTK_ARGUMENTS)

  implicit none
  
  DECLARE_CCTK_ARGUMENTS
  DECLARE_CCTK_PARAMETERS
  DECLARE_CCTK_FUNCTIONS

  integer, dimension(3) :: sym
  integer :: ierr
  CCTK_INT :: GRHydro_UseGeneralCoordinates, general_coordinates

  ierr = 0
  sym(1) = 1
  sym(2) = 1
  sym(3) = 1

  general_coordinates = GRHydro_UseGeneralCoordinates(cctkGH)
  
  !if (sync_conserved_only .eq. 0) then
   call SetCartSymVN(ierr, cctkGH, sym, "HydroBase::rho")
   call SetCartSymVN(ierr, cctkGH, sym, "HydroBase::press")
   call SetCartSymVN(ierr, cctkGH, sym, "HydroBase::w_lorentz")
   call SetCartSymVN(ierr, cctkGH, sym, "HydroBase::eps")
  !endif
  call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::dens")
  call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::tau")
  call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::GRHydro_C2P_failed")
  if(evolve_mhd.ne.0.and.clean_divergence.ne.0) then
     call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::psidc")
  endif

!!$ handle multiple tracer variables
  if(evolve_tracer.ne.0) then
     call SetCartSymGN(ierr, cctkGH, sym, "GRHydro::GRHydro_tracers")
     call SetCartSymGN(ierr, cctkGH, sym, "GRHydro::GRHydro_cons_tracers")
  endif 

  if(evolve_y_e.ne.0) then
   !if (sync_conserved_only .eq. 0) then
     call SetCartSymGN(ierr, cctkGH, sym, "HydroBase::Y_e")
   !endif
     call SetCartSymGN(ierr, cctkGH, sym, "GRHydro::Y_e_con")
  endif

  if(evolve_temper.ne.0) then
    !if (sync_conserved_only .eq. 0) then
      call SetCartSymGN(ierr, cctkGH, sym, "HydroBase::temperature")
      call SetCartSymGN(ierr, cctkGH, sym, "HydroBase::entropy")
    !endif
  endif
  
  call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::atmosphere_mask_real")
  
  sym(1) = -1
  sym(2) = 1
  sym(3) = 1
  
  !if (sync_conserved_only .eq. 0) then
      if (general_coordinates .ne. 0) then
         call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::lvel[0]")
      else
         call SetCartSymVN(ierr, cctkGH, sym, "HydroBase::vel[0]")
      endif
  !endif
  call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::scon[0]")
  if(evolve_mhd.ne.0) then
     !if (sync_conserved_only .eq. 0) then
      call SetCartSymVN(ierr, cctkGH, sym, "HydroBase::Bvec[0]")
     !endif
     call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::Bcons[0]")
  endif
  
  sym(1) = 1
  sym(2) = -1
  sym(3) = 1
  
  !if (sync_conserved_only .eq. 0) then
      if (general_coordinates .ne. 0) then
         call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::lvel[1]")
      else
         call SetCartSymVN(ierr, cctkGH, sym, "HydroBase::vel[1]")
      endif
  !endif
  call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::scon[1]")
  if(evolve_mhd.ne.0) then
     !if (sync_conserved_only .eq. 0) then
         call SetCartSymVN(ierr, cctkGH, sym, "HydroBase::Bvec[1]")
     !endif
     call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::Bcons[1]")
  endif

  sym(1) = 1
  sym(2) = 1
  sym(3) = -1
  
  !if (sync_conserved_only .eq. 0) then
      if (general_coordinates .ne. 0) then
         call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::lvel[2]")
      else
         call SetCartSymVN(ierr, cctkGH, sym, "HydroBase::vel[2]")
      endif
  !endif
  call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::scon[2]")
  if(evolve_mhd.ne.0) then
    !if (sync_conserved_only .eq. 0) then
      call SetCartSymVN(ierr, cctkGH, sym, "HydroBase::Bvec[2]")
    !endif 
    call SetCartSymVN(ierr, cctkGH, sym, "GRHydro::Bcons[2]")
  endif

! check that storage for shift is active
 if(shift_state.eq.0) then
    call CCTK_WARN(0,"shift_state = 0 (no shift storage) no longer supported!");
  endif

  
end subroutine GRHydro_InitSymBound

 /*@@
   @routine    GRHydro_Boundaries
   @date       Sat Jan 26 01:04:04 2002
   @author     
   @desc 
   Calls the appropriate boundary routines
   @enddesc 
   @calls     
   @calledby   
   @history 
 
   @endhistory 

@@*/

subroutine GRHydro_Boundaries(CCTK_ARGUMENTS)
  
  implicit none
  
  DECLARE_CCTK_ARGUMENTS
  DECLARE_CCTK_PARAMETERS
  DECLARE_CCTK_FUNCTIONS
  
  integer, dimension(3) :: sw
  integer :: ierr
  CCTK_INT :: GRHydro_UseGeneralCoordinates, general_coordinates

  CCTK_INT, parameter :: faces=CCTK_ALL_FACES
  CCTK_INT, parameter :: ione=1
  
  ierr = 0 

  sw = GRHydro_stencil

  general_coordinates = GRHydro_UseGeneralCoordinates(cctkGH)

  if (verbose.eq.1) call CCTK_INFO("Selecting conserved BC (and primitive BC if selected)")

!!$Flat boundaries if required  

  if (CCTK_EQUALS(bound,"flat")) then
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
         "GRHydro::dens", "Flat")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
         "GRHydro::tau", "Flat")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
         "GRHydro::scon", "Flat")
    if (sync_conserved_only .eq. 0) then
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "HydroBase::w_lorentz", "Flat")
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "HydroBase::rho", "Flat")
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "HydroBase::press", "Flat")
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "HydroBase::eps", "Flat")
      if (general_coordinates .ne. 0) then
         ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "GRHydro::lvel", "Flat")
      else
         ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "HydroBase::vel", "Flat")
      endif
    endif
    if(evolve_mhd.ne.0) then
       if (sync_conserved_only .eq. 0) then
         if (general_coordinates .ne. 0) then
            ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                  "GRHydro::lBvec", "Flat")
         else
            ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                  "HydroBase::Bvec", "Flat")
         endif
       endif
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "GRHydro::Bcons", "Flat")
       if(clean_divergence.ne.0) then
          ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "GRHydro::psidc", "Flat")
       endif
    endif

    if (CCTK_EQUALS(Bvec_evolution_method, "GRHydro_Avec")) then 
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "HydroBase::Avec", "Flat")
      if (general_coordinates .ne. 0) then
        ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "GRHydro::lBvec", "Flat")
      else
        ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "HydroBase::Bvec", "Flat")
      endif
    endif 

    if(evolve_tracer.ne.0) then 
      if (sync_conserved_only .eq. 0) then
         ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "GRHydro::GRHydro_tracers", "Flat")
      endif
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "GRHydro::GRHydro_cons_tracers", "Flat")
    endif

    if(evolve_y_e.ne.0) then
      if (sync_conserved_only .eq. 0) then
         ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "HydroBase::Y_e", "Flat")
      endif
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "GRHydro::Y_e_con", "Flat")
    endif

    if(evolve_temper.ne.0) then
      if (sync_conserved_only .eq. 0) then
         ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "HydroBase::temperature", "Flat")
         ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "HydroBase::entropy", "Flat")
      endif
    endif


  endif

  if (CCTK_EQUALS(bound,"none")) then
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
         "GRHydro::dens", "None")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
         "GRHydro::tau", "None")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
         "GRHydro::scon", "None")
    
    if (sync_conserved_only .eq. 0) then
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "HydroBase::w_lorentz", "None")
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "HydroBase::rho", "None")
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "HydroBase::press", "None")
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "HydroBase::eps", "None")
      if (general_coordinates .ne. 0) then
         ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "GRHydro::lvel", "None")
      else
         ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "HydroBase::vel", "None")
      endif
    endif
    
    if(evolve_mhd.ne.0) then
       if (sync_conserved_only .eq. 0) then
         if (general_coordinates .ne. 0) then
            ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                  "GRHydro::lBvec", "None")
         else
            ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                  "HydroBase::Bvec", "None")
         endif
       endif
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "GRHydro::Bcons", "None")
       if(clean_divergence.ne.0) then
          ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "GRHydro::psidc", "None")
       endif
    endif

    if (CCTK_EQUALS(Bvec_evolution_method, "GRHydro_Avec")) then 
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "HydroBase::Avec", "None")
      if (general_coordinates .ne. 0) then
        ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "GRHydro::lBvec", "Flat")
      else
        ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "HydroBase::Bvec", "Flat")
      endif
    endif 

    if(evolve_tracer.ne.0) then 
      if (sync_conserved_only .eq. 0) then 
         ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "GRHydro::GRHydro_tracers", "None")
      endif
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "GRHydro::GRHydro_cons_tracers", "None")
    endif

    if(evolve_y_e.ne.0) then
      if (sync_conserved_only .eq. 0) then
         ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "HydroBase::Y_e", "None")
      endif
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
            "GRHydro::Y_e_con", "None")
    endif

    if(evolve_temper.ne.0) then
      if (sync_conserved_only .eq. 0) then
         ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "HydroBase::temperature", "None")
         ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
               "HydroBase::entropy", "None")
      endif
    endif

  endif

  if (CCTK_EQUALS(bound,"scalar")) then
    call CCTK_WARN(0, "Until somebody uses this I see no reason to support it")
  end if

  if (ierr < 0) call CCTK_WARN(0, "problems with applying the chosen boundary condition")

end subroutine GRHydro_Boundaries



subroutine GRHydro_SelectPrimitiveInitialGuessesBoundaries(CCTK_ARGUMENTS)
  
  implicit none
  
  DECLARE_CCTK_ARGUMENTS
  DECLARE_CCTK_PARAMETERS
  DECLARE_CCTK_FUNCTIONS
  
  integer, dimension(3) :: sw
  integer :: ierr
  CCTK_INT :: GRHydro_UseGeneralCoordinates, general_coordinates

  CCTK_INT, parameter :: faces=CCTK_ALL_FACES
  CCTK_INT, parameter :: ione=1
  
  ierr = 0
  sw = GRHydro_stencil

  general_coordinates = GRHydro_UseGeneralCoordinates(cctkGH)

!!$Flat boundaries if required  

! The commented out code are those primitives which do not require and explicit
! initial guess for Con2Prim. The guesses are either not needed or computed from other quantities!

  if (verbose.eq.1) call CCTK_INFO("Selecting primitive BC")


  if (CCTK_EQUALS(bound,"flat")) then
    
    !ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
    !      "HydroBase::w_lorentz", "Flat")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
          "HydroBase::rho", "Flat")
    !ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
    !      "HydroBase::press", "Flat")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
          "HydroBase::eps", "Flat")
    if (general_coordinates .ne. 0) then
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "GRHydro::lvel", "Flat")
    else
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "HydroBase::vel", "Flat")
    endif
    if(evolve_mhd.ne.0) then
         if (general_coordinates .ne. 0) then
            ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                  "GRHydro::lBvec", "Flat")
         else
            ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                  "HydroBase::Bvec", "Flat")
         endif
    endif

    !if(evolve_tracer.ne.0) then 
    !  ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
    !         "GRHydro::GRHydro_tracers", "Flat")
    !endif

    !if(evolve_y_e.ne.0) then
    !  ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
    !         "HydroBase::Y_e", "Flat")
    !endif

    if(evolve_temper.ne.0) then
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "HydroBase::temperature", "Flat")
       !ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
       !      "HydroBase::entropy", "Flat")
    endif


  endif

  if (CCTK_EQUALS(bound,"none")) then      
    !ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
    !      "HydroBase::w_lorentz", "None")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
          "HydroBase::rho", "None")
    !ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
    !      "HydroBase::press", "None")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
          "HydroBase::eps", "None")
    if (general_coordinates .ne. 0) then
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "GRHydro::lvel", "None")
    else
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "HydroBase::vel", "None")
    endif
    
    if(evolve_mhd.ne.0) then
         if (general_coordinates .ne. 0) then
            ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                  "GRHydro::lBvec", "None")
         else
            ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                  "HydroBase::Bvec", "None")
         endif
       
    endif

    !if(evolve_tracer.ne.0) then 
    !   ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
    !         "GRHydro::GRHydro_tracers", "None")
    !  
    !endif

    !if(evolve_y_e.ne.0) then
    !   ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
    !         "HydroBase::Y_e", "None")
    !  
    !endif

    if(evolve_temper.ne.0) then
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "HydroBase::temperature", "None")
       !ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
       !      "HydroBase::entropy", "None")
    endif

  end if

  if (CCTK_EQUALS(bound,"scalar")) then
    call CCTK_WARN(0, "Until somebody uses this I see no reason to support it")
  end if

  if (ierr < 0) call CCTK_WARN(0, "problems with applying the chosen boundary condition")

end subroutine GRHydro_SelectPrimitiveInitialGuessesBoundaries








subroutine GRHydro_SelectPrimitiveBoundaries(CCTK_ARGUMENTS)
  
  implicit none
  
  DECLARE_CCTK_ARGUMENTS
  DECLARE_CCTK_PARAMETERS
  DECLARE_CCTK_FUNCTIONS
  
  integer, dimension(3) :: sw
  integer :: ierr
  CCTK_INT :: GRHydro_UseGeneralCoordinates, general_coordinates

  CCTK_INT, parameter :: faces=CCTK_ALL_FACES
  CCTK_INT, parameter :: ione=1
  
  ierr = 0
  sw = GRHydro_stencil

  general_coordinates = GRHydro_UseGeneralCoordinates(cctkGH)

!!$Flat boundaries if required  

  if (verbose.eq.1) call CCTK_INFO("Selecting primitive BC")


  if (CCTK_EQUALS(bound,"flat")) then
    
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
          "HydroBase::w_lorentz", "Flat")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
          "HydroBase::rho", "Flat")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
          "HydroBase::press", "Flat")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
          "HydroBase::eps", "Flat")
    if (general_coordinates .ne. 0) then
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "GRHydro::lvel", "Flat")
    else
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "HydroBase::vel", "Flat")
    endif
    if(evolve_mhd.ne.0) then
         if (general_coordinates .ne. 0) then
            ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                  "GRHydro::lBvec", "Flat")
         else
            ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                  "HydroBase::Bvec", "Flat")
         endif
    endif

    if(evolve_tracer.ne.0) then 
             ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                   "GRHydro::GRHydro_tracers", "Flat")
    endif

    if(evolve_y_e.ne.0) then
             ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                   "HydroBase::Y_e", "Flat")
    endif

    if(evolve_temper.ne.0) then
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "HydroBase::temperature", "Flat")
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "HydroBase::entropy", "Flat")
    endif


  endif

  if (CCTK_EQUALS(bound,"none")) then      
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
          "HydroBase::w_lorentz", "None")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
          "HydroBase::rho", "None")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
          "HydroBase::press", "None")
    ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
          "HydroBase::eps", "None")
    if (general_coordinates .ne. 0) then
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "GRHydro::lvel", "None")
    else
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "HydroBase::vel", "None")
    endif
    
    if(evolve_mhd.ne.0) then
         if (general_coordinates .ne. 0) then
            ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                  "GRHydro::lBvec", "None")
         else
            ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
                  "HydroBase::Bvec", "None")
         endif
       
    endif

    if(evolve_tracer.ne.0) then 
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "GRHydro::GRHydro_tracers", "None")
      
    endif

    if(evolve_y_e.ne.0) then
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "HydroBase::Y_e", "None")
      
    endif

    if(evolve_temper.ne.0) then
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "HydroBase::temperature", "None")
       ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
             "HydroBase::entropy", "None")
    endif

  end if

  if (CCTK_EQUALS(bound,"scalar")) then
    call CCTK_WARN(0, "Until somebody uses this I see no reason to support it")
  end if

  if (ierr < 0) call CCTK_WARN(0, "problems with applying the chosen boundary condition")

end subroutine GRHydro_SelectPrimitiveBoundaries








subroutine GRHydro_SelectAtmosphereMaskBoundaries(CCTK_ARGUMENTS)
  
  implicit none
  
  DECLARE_CCTK_ARGUMENTS
  DECLARE_CCTK_PARAMETERS
  DECLARE_CCTK_FUNCTIONS
  
  integer, dimension(3) :: sw
  integer :: ierr

  CCTK_INT, parameter :: faces=CCTK_ALL_FACES
  CCTK_INT, parameter :: ione=1
  
  ierr = 0
  sw = GRHydro_stencil


!!$Flat boundaries if required  

  if (verbose.eq.1) call CCTK_INFO("Selecting atmosphere mask BC")


  if (CCTK_EQUALS(bound,"flat")) then
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
         "GRHydro::GRHydro_atmosphere_mask_real", "Flat")
  endif

  if (CCTK_EQUALS(bound,"none")) then      
      ierr = ierr + Boundary_SelectGroupForBC(cctkGH, faces, GRHydro_stencil, -ione, &
         "GRHydro::GRHydro_atmosphere_mask_real", "None")
  end if

  if (CCTK_EQUALS(bound,"scalar")) then
    call CCTK_WARN(0, "Until somebody uses this I see no reason to support it")
  end if

  if (ierr < 0) call CCTK_WARN(0, "problems with applying the chosen boundary condition")

end subroutine GRHydro_SelectAtmosphereMaskBoundaries