aboutsummaryrefslogtreecommitdiff
path: root/Carpet/Carpet/src/Initialise.cc
blob: e0468bb2870752efdb31c4a8ba920888c35b368e (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
#include <assert.h>
#include <stdlib.h>

#include <iostream>

#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctki_GHExtensions.h"
#include "cctki_ScheduleBindings.h"
#include "cctki_WarnLevel.h"

#include "carpet.hh"

extern "C" {
  static const char* rcsid = "$Header: /home/eschnett/C/carpet/Carpet/Carpet/Carpet/src/Initialise.cc,v 1.33 2003/09/02 13:11:16 tradke Exp $";
  CCTK_FILEVERSION(Carpet_Carpet_Initialise_cc);
}



namespace Carpet {
  
  using namespace std;
  
  
  
  int Initialise (tFleshConfig* fc)
  {
    DECLARE_CCTK_PARAMETERS;
    
    // Initialise stuff
    const int convlev = 0;
    cGH* const cgh = CCTK_SetupGH (fc, convlev);
    CCTKi_AddGH (fc, convlev, cgh);
    
    // Delay checkpoint until MPI has been initialised
    Waypoint ("starting Initialise...");
    
    // Initialise stuff
    cgh->cctk_iteration = 0;
    do_global_mode = true;
    
    // Enable storage and communtication
    CCTKi_ScheduleGHInit (cgh);
    
    // Initialise stuff
    CCTKi_InitGHExtensions (cgh);

    // Register coordinates
    Waypoint ("CCTK_WRAGH");
    CCTK_ScheduleTraverse ("CCTK_WRAGH", cgh, CallFunction);

    // Check parameters
    Waypoint ("Current time is %g", cgh->cctk_time);
    Waypoint ("PARAMCHECK");
    CCTK_ScheduleTraverse ("CCTK_PARAMCHECK", cgh, CallFunction);
    CCTKi_FinaliseParamWarn();
    
    Waypoint ("Initialising iteration %d...", cgh->cctk_iteration);
    
    
    
    BEGIN_REFLEVEL_LOOP(cgh) {
      
      BEGIN_MGLEVEL_LOOP(cgh) {
        
        cgh->cctk_time = (cctk_initial_time
                          + (tt->time (0, reflevel, mglevel)
                             * cgh->cctk_delta_time));
        do_global_mode = reflevel == 0;
        
        Waypoint ("%*sCurrent time is %g, delta is %g%s", 2*reflevel, "",
                  cgh->cctk_time,
                  cgh->cctk_delta_time / cgh->cctk_timefac,
                  do_global_mode ? "   (global time)" : "");
        
        // Checking
        Poison (cgh, alltimes);
        
        // Set up the grid
        Waypoint ("%*sScheduling BASEGRID", 2*reflevel, "");
        CCTK_ScheduleTraverse ("CCTK_BASEGRID", cgh, CallFunction);
        
        if (! init_each_timelevel) {
          
          // Set up the initial data
          Waypoint ("%*sScheduling INITIAL", 2*reflevel, "");
          CCTK_ScheduleTraverse ("CCTK_INITIAL", cgh, CallFunction);
          Waypoint ("%*sScheduling POSTINITIAL", 2*reflevel, "");
          CCTK_ScheduleTraverse ("CCTK_POSTINITIAL", cgh, CallFunction);
          
        } else {
          // if init_each_timelevel
          
          bool const saved_do_global_mode = do_global_mode;
          
          tt->set_delta
            (reflevel, mglevel, - tt->get_delta (reflevel, mglevel));
          tt->advance_time (reflevel, mglevel);
          tt->advance_time (reflevel, mglevel);
          tt->advance_time (reflevel, mglevel);
          tt->set_delta
            (reflevel, mglevel, - tt->get_delta (reflevel, mglevel));
          
          for (int tl=-2; tl<=0; ++tl) {
            
            do_global_mode = saved_do_global_mode && tl==0;
            
            // Advance level times
            tt->advance_time (reflevel, mglevel);
            cgh->cctk_time = (cctk_initial_time
                              + (tt->time (0, reflevel, mglevel)
                                 * cgh->cctk_delta_time));
            
            // Cycle time levels
            CycleTimeLevels (cgh);
            
            Waypoint ("%*sCurrent time is %g, delta is %g%s", 2*reflevel, "",
                      cgh->cctk_time,
                      cgh->cctk_delta_time / cgh->cctk_timefac,
                      do_global_mode ? "   (global time)" : "");
            
            // Set up the initial data
            Waypoint ("%*sScheduling INITIAL", 2*reflevel, "");
            CCTK_ScheduleTraverse ("CCTK_INITIAL", cgh, CallFunction);
            Waypoint ("%*sScheduling POSTINITIAL", 2*reflevel, "");
            CCTK_ScheduleTraverse ("CCTK_POSTINITIAL", cgh, CallFunction);
            
          } // for tl
          
          do_global_mode = saved_do_global_mode;
          
        } // if init_each_timelevel
        
        // Poststep
        Waypoint ("%*sScheduling POSTSTEP", 2*reflevel, "");
        CCTK_ScheduleTraverse ("CCTK_POSTSTEP", cgh, CallFunction);
        
        if (! init_each_timelevel) {
          
          // Checking
          PoisonCheck (cgh, currenttime);
          
        } else {
          // if init_each_timelevel
          
          // Checking
          PoisonCheck (cgh, alltimes);
          
        } // if init_each_timelevel
        
      } END_MGLEVEL_LOOP;
      
      // Regrid
      Waypoint ("%*sRegrid", 2*reflevel, "");
      Regrid (cgh, reflevel);
      
      BEGIN_MGLEVEL_LOOP(cgh) {
        
        if (init_3_timelevels) {
          // Use Scott Hawley's algorithm for getting two extra
          // timelevels of data (this is part 1)
          
          cout << "Initialising three timelevels" << endl;
          
          // Advance level times
          tt->advance_time (reflevel, mglevel);
          cgh->cctk_time = (cctk_initial_time
                            + (tt->time (0, reflevel, mglevel)
                               * cgh->cctk_delta_time));
          cout << "3TL rl=" << reflevel << " ml=" << mglevel
               << " time=" << tt->get_time (reflevel, mglevel)
               << " time=" << cgh->cctk_time / cgh->cctk_delta_time << endl;
          
          // Cycle time levels (ignore arrays)
          cout << "3TL rl=" << reflevel << " cycling" << endl;
          CycleTimeLevels (cgh);
          
          // Checking
          CalculateChecksums (cgh, allbutcurrenttime);
          PoisonCheck (cgh, previoustime);
          Poison (cgh, currenttimebutnotifonly);
          
          // Evolve forward
          Waypoint ("%*sScheduling PRESTEP", 2*reflevel, "");
          CCTK_ScheduleTraverse ("CCTK_PRESTEP", cgh, CallFunction);
          Waypoint ("%*sScheduling EVOL", 2*reflevel, "");
          CCTK_ScheduleTraverse ("CCTK_EVOL", cgh, CallFunction);
          Waypoint ("%*sScheduling POSTSTEP", 2*reflevel, "");
          CCTK_ScheduleTraverse ("CCTK_POSTSTEP", cgh, CallFunction);
          
          // Checking
          PoisonCheck (cgh, currenttime);
          
          // Flip time levels
          cout << "3TL rl=" << reflevel << " flipping" << endl;
          FlipTimeLevels (cgh);
          
          // Invert level times
          for (int rl=0; rl<hh->reflevels(); ++rl) {
            tt->set_delta (rl, mglevel, - tt->get_delta (rl, mglevel));
            tt->advance_time (rl, mglevel);
            tt->advance_time (rl, mglevel);
          }
          cgh->cctk_delta_time *= -1;
          delta_time *= -1;
          cgh->cctk_time = (cctk_initial_time
                            + (tt->time (0, reflevel, mglevel)
                               * cgh->cctk_delta_time));
          cout << "3TL rl=" << reflevel << " ml=" << mglevel
               << " time=" << tt->get_time (reflevel, mglevel)
               << " time=" << cgh->cctk_time / cgh->cctk_delta_time << endl;
          
          // Checking
          CalculateChecksums (cgh, allbutcurrenttime);
          PoisonCheck (cgh, allbutcurrenttime);
          Poison (cgh, currenttimebutnotifonly);
          
          // Evolve backward
          Waypoint ("%*sScheduling PRESTEP", 2*reflevel, "");
          CCTK_ScheduleTraverse ("CCTK_PRESTEP", cgh, CallFunction);
          Waypoint ("%*sScheduling EVOL", 2*reflevel, "");
          CCTK_ScheduleTraverse ("CCTK_EVOL", cgh, CallFunction);
          Waypoint ("%*sScheduling POSTSTEP", 2*reflevel, "");
          CCTK_ScheduleTraverse ("CCTK_POSTSTEP", cgh, CallFunction);
          
          // Checking
          PoisonCheck (cgh, alltimes);
          
          // Flip time levels back
          cout << "3TL rl=" << reflevel << " flipping back" << endl;
          FlipTimeLevels (cgh);
          
          // Invert level times back
          for (int rl=0; rl<hh->reflevels(); ++rl) {
            tt->set_delta (rl, mglevel, - tt->get_delta (rl, mglevel));
            tt->advance_time (rl, mglevel);
            tt->advance_time (rl, mglevel);
          }
          cgh->cctk_delta_time *= -1;
          delta_time *= -1;
          cgh->cctk_time = (cctk_initial_time
                            + (tt->time (0, reflevel, mglevel)
                               * cgh->cctk_delta_time));
          cout << "3TL rl=" << reflevel << " ml=" << mglevel
               << " time=" << tt->get_time (reflevel, mglevel)
               << " time=" << cgh->cctk_time / cgh->cctk_delta_time << endl;
          
        } // if init_3_timelevels
        
      } END_MGLEVEL_LOOP;
      
    } END_REFLEVEL_LOOP;
    
    
    
    if (init_3_timelevels) {
      // Use Scott Hawley's algorithm for getting two extra timelevels
      // of data (here comes part 2)
      
      cout << "Hourglass structure in place" << endl;
      
      // Evolve each level "backwards" one more timestep
      // Starting with the finest level and proceeding to the coarsest
      BEGIN_REVERSE_REFLEVEL_LOOP(cgh) {
        BEGIN_MGLEVEL_LOOP(cgh) {
          
          do_global_mode = reflevel == 0;
          
          // Flip time levels
          cout << "3TL rl=" << reflevel << " flipping" << endl;
          FlipTimeLevels (cgh);
          
          // Invert level times
          for (int rl=0; rl<hh->reflevels(); ++rl) {
            tt->set_delta (rl, mglevel, - tt->get_delta (rl, mglevel));
            tt->advance_time (rl, mglevel);
            tt->advance_time (rl, mglevel);
          }
          cgh->cctk_delta_time *= -1;
          delta_time *= -1;
          cgh->cctk_time = (cctk_initial_time
                            + (tt->time (0, reflevel, mglevel)
                               * cgh->cctk_delta_time));
          cout << "3TL rl=" << reflevel << " ml=" << mglevel
               << " time=" << tt->get_time (reflevel, mglevel)
               << " time=" << cgh->cctk_time / cgh->cctk_delta_time << endl;
          
          // Checking
          CalculateChecksums (cgh, currenttime);
          PoisonCheck (cgh, alltimes);
          
          // Restrict
          cout << "3TL rl=" << reflevel << " restricting" << endl;
          Restrict (cgh);
          
          Waypoint ("%*sScheduling PostRestrict", 2*reflevel, "");
          CCTK_ScheduleTraverse ("PostRestrict", cgh, CallFunction);
          
          // Checking
          CalculateChecksums (cgh, currenttime);
          PoisonCheck (cgh, alltimes);
          
          // Advance level times
          tt->advance_time (reflevel, mglevel);
          cgh->cctk_time = (cctk_initial_time
                            + (tt->time (0, reflevel, mglevel)
                               * cgh->cctk_delta_time));
          cout << "3TL rl=" << reflevel << " ml=" << mglevel
               << " time=" << tt->get_time (reflevel, mglevel)
               << " time=" << cgh->cctk_time / cgh->cctk_delta_time << endl;
          
          // Cycle time levels
          cout << "3TL rl=" << reflevel << " cycling" << endl;
          CycleTimeLevels (cgh);
          
          // Checking
          CalculateChecksums (cgh, allbutcurrenttime);
          Poison (cgh, currenttimebutnotifonly);
          
          // Evolve backward
          Waypoint ("%*sScheduling PRESTEP", 2*reflevel, "");
          CCTK_ScheduleTraverse ("CCTK_PRESTEP", cgh, CallFunction);
          Waypoint ("%*sScheduling EVOL", 2*reflevel, "");
          CCTK_ScheduleTraverse ("CCTK_EVOL", cgh, CallFunction);
          Waypoint ("%*sScheduling POSTSTEP", 2*reflevel, "");
          CCTK_ScheduleTraverse ("CCTK_POSTSTEP", cgh, CallFunction);
          
          // Checking
          PoisonCheck (cgh, alltimes);
          
          // Flip time levels back
          cout << "3TL rl=" << reflevel << " flipping back" << endl;
          FlipTimeLevels (cgh);
          
          // Invert level times back
          for (int rl=0; rl<hh->reflevels(); ++rl) {
            tt->set_delta (rl, mglevel, - tt->get_delta (rl, mglevel));
            tt->advance_time (rl, mglevel);
            tt->advance_time (rl, mglevel);
          }
          cgh->cctk_delta_time *= -1;
          delta_time *= -1;
          cgh->cctk_time = (cctk_initial_time
                            + (tt->time (0, reflevel, mglevel)
                               * cgh->cctk_delta_time));
          cout << "3TL rl=" << reflevel << " ml=" << mglevel
               << " time=" << tt->get_time (reflevel, mglevel)
               << " time=" << cgh->cctk_time / cgh->cctk_delta_time << endl;
          
        } END_MGLEVEL_LOOP;
      } END_REVERSE_REFLEVEL_LOOP;
      
      cout << "Finished initialising three timelevels" << endl;
      
    } // if init_3_timelevels
    
    
    
    BEGIN_REVERSE_REFLEVEL_LOOP(cgh) {
      BEGIN_MGLEVEL_LOOP(cgh) {
	
        do_global_mode = reflevel == 0;
        
        Waypoint ("%*sCurrent time is %g, delta is %g%s", 2*reflevel, "",
                  cgh->cctk_time,
                  cgh->cctk_delta_time / cgh->cctk_timefac,
                  do_global_mode ? "   (global time)" : "");
        
	// Restrict
 	Restrict (cgh);
        
        Waypoint ("%*sScheduling PostRestrict", 2*reflevel, "");
        CCTK_ScheduleTraverse ("PostRestrict", cgh, CallFunction);
	
      } END_MGLEVEL_LOOP;
    } END_REVERSE_REFLEVEL_LOOP;
    
    
    
    BEGIN_REFLEVEL_LOOP(cgh) {
      BEGIN_MGLEVEL_LOOP(cgh) {
	
        do_global_mode = reflevel == 0;
        
        Waypoint ("%*sCurrent time is %g, delta is %g%s", 2*reflevel, "",
                  cgh->cctk_time,
                  cgh->cctk_delta_time / cgh->cctk_timefac,
                  do_global_mode ? "   (global time)" : "");
        
	// Checking
        PoisonCheck (cgh, alltimes);
	CalculateChecksums (cgh, allbutcurrenttime);
	
	// Recover
	Waypoint ("%*sScheduling RECOVER_VARIABLES", 2*reflevel, "");
	CCTK_ScheduleTraverse ("CCTK_RECOVER_VARIABLES", cgh, CallFunction);
	Waypoint ("%*sScheduling CPINITIAL", 2*reflevel, "");
	CCTK_ScheduleTraverse ("CCTK_CPINITIAL", cgh, CallFunction);
	
	// Analysis
	Waypoint ("%*sScheduling ANALYSIS", 2*reflevel, "");
	CCTK_ScheduleTraverse ("CCTK_ANALYSIS", cgh, CallFunction);
	
	// Output
	Waypoint ("%*sOutputGH", 2*reflevel, "");
	CCTK_OutputGH (cgh);
      
	// Checking
        PoisonCheck (cgh, alltimes);
	CheckChecksums (cgh, allbutcurrenttime);
	
      } END_MGLEVEL_LOOP;
    } END_REFLEVEL_LOOP;
    
    Waypoint ("done with Initialise.");
    
    return 0;
  }
  
} // namespace Carpet