Scippy

SCIP

Solving Constraint Integer Programs

sepa.c
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4 /* SCIP --- Solving Constraint Integer Programs */
5 /* */
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24 
25 /**@file sepa.c
26  * @ingroup OTHER_CFILES
27  * @brief methods and datastructures for separators
28  * @author Tobias Achterberg
29  * @author Timo Berthold
30  */
31 
32 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
33 
34 #include <assert.h>
35 #include <string.h>
36 
37 #include "scip/def.h"
38 #include "scip/set.h"
39 #include "scip/stat.h"
40 #include "scip/clock.h"
41 #include "scip/paramset.h"
42 #include "scip/sepastore.h"
43 #include "scip/scip.h"
44 #include "scip/sepa.h"
45 #include "scip/pub_message.h"
46 #include "scip/pub_misc.h"
47 
48 #include "scip/struct_sepa.h"
49 
50 
51 /** compares two separators w. r. to their priority */
52 SCIP_DECL_SORTPTRCOMP(SCIPsepaComp)
53 { /*lint --e{715}*/
54  return ((SCIP_SEPA*)elem2)->priority - ((SCIP_SEPA*)elem1)->priority;
55 }
56 
57 /** comparison method for sorting separators w.r.t. to their name */
58 SCIP_DECL_SORTPTRCOMP(SCIPsepaCompName)
59 {
60  return strcmp(SCIPsepaGetName((SCIP_SEPA*)elem1), SCIPsepaGetName((SCIP_SEPA*)elem2));
61 }
62 
63 /** method to call, when the priority of a separator was changed */
64 static
65 SCIP_DECL_PARAMCHGD(paramChgdSepaPriority)
66 { /*lint --e{715}*/
67  SCIP_PARAMDATA* paramdata;
68 
69  paramdata = SCIPparamGetData(param);
70  assert(paramdata != NULL);
71 
72  /* use SCIPsetSepaPriority() to mark the sepas unsorted */
73  SCIP_CALL( SCIPsetSepaPriority(scip, (SCIP_SEPA*)paramdata, SCIPparamGetInt(param)) ); /*lint !e740*/
74 
75  return SCIP_OKAY;
76 }
77 
78 /** copies the given separator to a new scip */
80  SCIP_SEPA* sepa, /**< separator */
81  SCIP_SET* set /**< SCIP_SET of SCIP to copy to */
82  )
83 {
84  assert(sepa != NULL);
85  assert(set != NULL);
86  assert(set->scip != NULL);
87 
88  if( sepa->sepacopy != NULL )
89  {
90  SCIPsetDebugMsg(set, "including separator %s in subscip %p\n", SCIPsepaGetName(sepa), (void*)set->scip);
91  SCIP_CALL( sepa->sepacopy(set->scip, sepa) );
92  }
93  return SCIP_OKAY;
94 }
95 
96 /** internal method for creating a separator */
97 static
99  SCIP_SEPA** sepa, /**< pointer to separator data structure */
100  SCIP_SET* set, /**< global SCIP settings */
101  SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
102  BMS_BLKMEM* blkmem, /**< block memory for parameter settings */
103  const char* name, /**< name of separator */
104  const char* desc, /**< description of separator */
105  int priority, /**< priority of separator (>= 0: before, < 0: after constraint handlers) */
106  int freq, /**< frequency for calling separator */
107  SCIP_Real maxbounddist, /**< maximal relative distance from current node's dual bound to primal bound compared
108  * to best node's dual bound for applying separation */
109  SCIP_Bool usessubscip, /**< does the separator use a secondary SCIP instance? */
110  SCIP_Bool delay, /**< should separator be delayed, if other separators found cuts? */
111  SCIP_DECL_SEPACOPY ((*sepacopy)), /**< copy method of separator or NULL if you don't want to copy your plugin into sub-SCIPs */
112  SCIP_DECL_SEPAFREE ((*sepafree)), /**< destructor of separator */
113  SCIP_DECL_SEPAINIT ((*sepainit)), /**< initialize separator */
114  SCIP_DECL_SEPAEXIT ((*sepaexit)), /**< deinitialize separator */
115  SCIP_DECL_SEPAINITSOL ((*sepainitsol)), /**< solving process initialization method of separator */
116  SCIP_DECL_SEPAEXITSOL ((*sepaexitsol)), /**< solving process deinitialization method of separator */
117  SCIP_DECL_SEPAEXECLP ((*sepaexeclp)), /**< LP solution separation method of separator */
118  SCIP_DECL_SEPAEXECSOL ((*sepaexecsol)), /**< arbitrary primal solution separation method of separator */
119  SCIP_SEPADATA* sepadata /**< separator data */
120  )
121 {
123  char paramdesc[SCIP_MAXSTRLEN];
124 
125  assert(sepa != NULL);
126  assert(name != NULL);
127  assert(desc != NULL);
128  assert(freq >= -1);
129  assert(0.0 <= maxbounddist && maxbounddist <= 1.0);
130  assert(sepaexeclp != NULL || sepaexecsol != NULL);
131 
132  SCIP_ALLOC( BMSallocMemory(sepa) );
133  BMSclearMemory(*sepa);
134 
135  SCIP_ALLOC( BMSduplicateMemoryArray(&(*sepa)->name, name, strlen(name)+1) );
136  SCIP_ALLOC( BMSduplicateMemoryArray(&(*sepa)->desc, desc, strlen(desc)+1) );
137  (*sepa)->priority = priority;
138  (*sepa)->freq = freq;
139  (*sepa)->maxbounddist = maxbounddist;
140  (*sepa)->usessubscip = usessubscip;
141  (*sepa)->sepacopy = sepacopy;
142  (*sepa)->sepafree = sepafree;
143  (*sepa)->sepainit = sepainit;
144  (*sepa)->sepaexit = sepaexit;
145  (*sepa)->sepainitsol = sepainitsol;
146  (*sepa)->sepaexitsol = sepaexitsol;
147  (*sepa)->sepaexeclp = sepaexeclp;
148  (*sepa)->sepaexecsol = sepaexecsol;
149  (*sepa)->sepadata = sepadata;
150  SCIP_CALL( SCIPclockCreate(&(*sepa)->setuptime, SCIP_CLOCKTYPE_DEFAULT) );
151  SCIP_CALL( SCIPclockCreate(&(*sepa)->sepaclock, SCIP_CLOCKTYPE_DEFAULT) );
152  (*sepa)->lastsepanode = -1;
153  (*sepa)->ncalls = 0;
154  (*sepa)->ncutoffs = 0;
155  (*sepa)->ncutsfound = 0;
156  (*sepa)->ncutsadded = 0;
157  (*sepa)->ncutsaddedviapool = 0;
158  (*sepa)->ncutsaddeddirect = 0;
159  (*sepa)->ncutsappliedviapool = 0;
160  (*sepa)->ncutsapplieddirect = 0;
161  (*sepa)->nconssfound = 0;
162  (*sepa)->ndomredsfound = 0;
163  (*sepa)->ncallsatnode = 0;
164  (*sepa)->ncutsfoundatnode = 0;
165  (*sepa)->lpwasdelayed = FALSE;
166  (*sepa)->solwasdelayed = FALSE;
167  (*sepa)->initialized = FALSE;
168  (*sepa)->isparentsepa = FALSE;
169  (*sepa)->parentsepa = NULL;
170 
171  /* add parameters */
172  (void) SCIPsnprintf(paramname, SCIP_MAXSTRLEN, "separating/%s/priority", name);
173  (void) SCIPsnprintf(paramdesc, SCIP_MAXSTRLEN, "priority of separator <%s>", name);
174  SCIP_CALL( SCIPsetAddIntParam(set, messagehdlr, blkmem, paramname, paramdesc,
175  &(*sepa)->priority, TRUE, priority, INT_MIN/4, INT_MAX/4,
176  paramChgdSepaPriority, (SCIP_PARAMDATA*)(*sepa)) ); /*lint !e740*/
177 
178  (void) SCIPsnprintf(paramname, SCIP_MAXSTRLEN, "separating/%s/freq", name);
179  (void) SCIPsnprintf(paramdesc, SCIP_MAXSTRLEN, "frequency for calling separator <%s> (-1: never, 0: only in root node)", name);
180  SCIP_CALL( SCIPsetAddIntParam(set, messagehdlr, blkmem, paramname, paramdesc,
181  &(*sepa)->freq, FALSE, freq, -1, SCIP_MAXTREEDEPTH, NULL, NULL) );
182 
183  (void) SCIPsnprintf(paramname, SCIP_MAXSTRLEN, "separating/%s/maxbounddist", name);
184  (void) SCIPsnprintf(paramdesc, SCIP_MAXSTRLEN, "maximal relative distance from current node's dual bound to primal bound compared to best node's dual bound for applying separator <%s> (0.0: only on current best node, 1.0: on all nodes)",
185  name);
186  SCIP_CALL( SCIPsetAddRealParam(set, messagehdlr, blkmem, paramname, paramdesc,
187  &(*sepa)->maxbounddist, TRUE, maxbounddist, 0.0, 1.0, NULL, NULL) );
188 
189  (void) SCIPsnprintf(paramname, SCIP_MAXSTRLEN, "separating/%s/delay", name);
190  SCIP_CALL( SCIPsetAddBoolParam(set, messagehdlr, blkmem, paramname,
191  "should separator be delayed, if other separators found cuts?",
192  &(*sepa)->delay, TRUE, delay, NULL, NULL) ); /*lint !e740*/
193 
194  (void) SCIPsnprintf(paramname, SCIP_MAXSTRLEN, "separating/%s/expbackoff", name);
195  (void) SCIPsnprintf(paramdesc, SCIP_MAXSTRLEN, "base for exponential increase of frequency at which separator <%s> is called (1: call at each multiple of frequency)", name);
196  SCIP_CALL( SCIPsetAddIntParam(set, messagehdlr, blkmem, paramname, paramdesc,
197  &(*sepa)->expbackoff, TRUE, 4, 1, 100, NULL, NULL) ); /*lint !e740*/
198 
199  return SCIP_OKAY;
200 }
201 
202 /** creates a separator */
204  SCIP_SEPA** sepa, /**< pointer to separator data structure */
205  SCIP_SET* set, /**< global SCIP settings */
206  SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
207  BMS_BLKMEM* blkmem, /**< block memory for parameter settings */
208  const char* name, /**< name of separator */
209  const char* desc, /**< description of separator */
210  int priority, /**< priority of separator (>= 0: before, < 0: after constraint handlers) */
211  int freq, /**< frequency for calling separator */
212  SCIP_Real maxbounddist, /**< maximal relative distance from current node's dual bound to primal bound compared
213  * to best node's dual bound for applying separation */
214  SCIP_Bool usessubscip, /**< does the separator use a secondary SCIP instance? */
215  SCIP_Bool delay, /**< should separator be delayed, if other separators found cuts? */
216  SCIP_DECL_SEPACOPY ((*sepacopy)), /**< copy method of separator or NULL if you don't want to copy your plugin into sub-SCIPs */
217  SCIP_DECL_SEPAFREE ((*sepafree)), /**< destructor of separator */
218  SCIP_DECL_SEPAINIT ((*sepainit)), /**< initialize separator */
219  SCIP_DECL_SEPAEXIT ((*sepaexit)), /**< deinitialize separator */
220  SCIP_DECL_SEPAINITSOL ((*sepainitsol)), /**< solving process initialization method of separator */
221  SCIP_DECL_SEPAEXITSOL ((*sepaexitsol)), /**< solving process deinitialization method of separator */
222  SCIP_DECL_SEPAEXECLP ((*sepaexeclp)), /**< LP solution separation method of separator */
223  SCIP_DECL_SEPAEXECSOL ((*sepaexecsol)), /**< arbitrary primal solution separation method of separator */
224  SCIP_SEPADATA* sepadata /**< separator data */
225  )
226 {
227  assert(sepa != NULL);
228  assert(name != NULL);
229  assert(desc != NULL);
230  assert(freq >= -1);
231  assert(0.0 <= maxbounddist && maxbounddist <= 1.0);
232  assert(sepaexeclp != NULL || sepaexecsol != NULL);
233 
234  SCIP_CALL_FINALLY( doSepaCreate(sepa, set, messagehdlr, blkmem, name, desc, priority, freq, maxbounddist,
235  usessubscip, delay, sepacopy, sepafree, sepainit, sepaexit, sepainitsol, sepaexitsol, sepaexeclp,
236  sepaexecsol, sepadata), (void) SCIPsepaFree(sepa, set) );
237 
238  return SCIP_OKAY;
239 }
240 
241 /** calls destructor and frees memory of separator */
243  SCIP_SEPA** sepa, /**< pointer to separator data structure */
244  SCIP_SET* set /**< global SCIP settings */
245  )
246 {
247  assert(sepa != NULL);
248  if( *sepa == NULL )
249  return SCIP_OKAY;
250  assert(!(*sepa)->initialized);
251  assert(set != NULL);
252 
253  /* call destructor of separator */
254  if( (*sepa)->sepafree != NULL )
255  {
256  SCIP_CALL( (*sepa)->sepafree(set->scip, *sepa) );
257  }
258 
259  SCIPclockFree(&(*sepa)->sepaclock);
260  SCIPclockFree(&(*sepa)->setuptime);
261  BMSfreeMemoryArrayNull(&(*sepa)->name);
262  BMSfreeMemoryArrayNull(&(*sepa)->desc);
263  BMSfreeMemory(sepa);
264 
265  return SCIP_OKAY;
266 }
267 
268 /** initializes separator */
270  SCIP_SEPA* sepa, /**< separator */
271  SCIP_SET* set /**< global SCIP settings */
272  )
273 {
274  assert(sepa != NULL);
275  assert(set != NULL);
276 
277  if( sepa->initialized )
278  {
279  SCIPerrorMessage("separator <%s> already initialized\n", sepa->name);
280  return SCIP_INVALIDCALL;
281  }
282 
283  if( set->misc_resetstat )
284  {
285  SCIPclockReset(sepa->setuptime);
286  SCIPclockReset(sepa->sepaclock);
287 
288  sepa->lastsepanode = -1;
289  sepa->ncalls = 0;
290  sepa->nrootcalls = 0;
291  sepa->ncutoffs = 0;
292  sepa->ncutsfound = 0;
293  sepa->ncutsadded = 0;
294  sepa->ncutsaddedviapool = 0;
295  sepa->ncutsaddeddirect = 0;
296  sepa->ncutsappliedviapool = 0;
297  sepa->ncutsapplieddirect = 0;
298  sepa->nconssfound = 0;
299  sepa->ndomredsfound = 0;
300  sepa->ncallsatnode = 0;
301  sepa->ncutsfoundatnode = 0;
302  sepa->lpwasdelayed = FALSE;
303  sepa->solwasdelayed = FALSE;
304  }
305 
306  if( sepa->sepainit != NULL )
307  {
308  /* start timing */
309  SCIPclockStart(sepa->setuptime, set);
310 
311  SCIP_CALL( sepa->sepainit(set->scip, sepa) );
312 
313  /* stop timing */
314  SCIPclockStop(sepa->setuptime, set);
315  }
316  sepa->initialized = TRUE;
317 
318  return SCIP_OKAY;
319 }
320 
321 /** calls exit method of separator */
323  SCIP_SEPA* sepa, /**< separator */
324  SCIP_SET* set /**< global SCIP settings */
325  )
326 {
327  assert(sepa != NULL);
328  assert(set != NULL);
329 
330  if( !sepa->initialized )
331  {
332  SCIPerrorMessage("separator <%s> not initialized\n", sepa->name);
333  return SCIP_INVALIDCALL;
334  }
335 
336  if( sepa->sepaexit != NULL )
337  {
338  /* start timing */
339  SCIPclockStart(sepa->setuptime, set);
340 
341  SCIP_CALL( sepa->sepaexit(set->scip, sepa) );
342 
343  /* stop timing */
344  SCIPclockStop(sepa->setuptime, set);
345  }
346  sepa->initialized = FALSE;
347 
348  return SCIP_OKAY;
349 }
350 
351 /** informs separator that the branch and bound process is being started */
353  SCIP_SEPA* sepa, /**< separator */
354  SCIP_SET* set /**< global SCIP settings */
355  )
356 {
357  assert(sepa != NULL);
358  assert(set != NULL);
359 
360  sepa->lpwasdelayed = FALSE;
361  sepa->solwasdelayed = FALSE;
362 
363  /* call solving process initialization method of separator */
364  if( sepa->sepainitsol != NULL )
365  {
366  /* start timing */
367  SCIPclockStart(sepa->setuptime, set);
368 
369  SCIP_CALL( sepa->sepainitsol(set->scip, sepa) );
370 
371  /* stop timing */
372  SCIPclockStop(sepa->setuptime, set);
373  }
374 
375  return SCIP_OKAY;
376 }
377 
378 /** informs separator that the branch and bound process data is being freed */
380  SCIP_SEPA* sepa, /**< separator */
381  SCIP_SET* set /**< global SCIP settings */
382  )
383 {
384  assert(sepa != NULL);
385  assert(set != NULL);
386 
387  /* call solving process deinitialization method of separator */
388  if( sepa->sepaexitsol != NULL )
389  {
390  /* start timing */
391  SCIPclockStart(sepa->setuptime, set);
392 
393  SCIP_CALL( sepa->sepaexitsol(set->scip, sepa) );
394 
395  /* stop timing */
396  SCIPclockStop(sepa->setuptime, set);
397  }
398 
399  return SCIP_OKAY;
400 }
401 
402 /** calls LP separation method of separator */
404  SCIP_SEPA* sepa, /**< separator */
405  SCIP_SET* set, /**< global SCIP settings */
406  SCIP_STAT* stat, /**< dynamic problem statistics */
407  SCIP_SEPASTORE* sepastore, /**< separation storage */
408  int depth, /**< depth of current node */
409  SCIP_Real bounddist, /**< current relative distance of local dual bound to global dual bound */
410  SCIP_Bool allowlocal, /**< should the separator be asked to separate local cuts */
411  SCIP_Bool execdelayed, /**< execute separator even if it is marked to be delayed */
412  SCIP_RESULT* result /**< pointer to store the result of the callback method */
413  )
414 {
415  assert(sepa != NULL);
416  assert(sepa->freq >= -1);
417  assert(0.0 <= sepa->maxbounddist && sepa->maxbounddist <= 1.0);
418  assert(0.0 <= bounddist && bounddist <= 1.0);
419  assert(set != NULL);
420  assert(set->scip != NULL);
421  assert(stat != NULL);
422  assert(depth >= 0);
423  assert(result != NULL);
424 
425  if( sepa->sepaexeclp != NULL && SCIPsetIsLE(set, bounddist, sepa->maxbounddist) &&
426  ( (depth == 0 && sepa->freq != -1) ||
427  (sepa->freq > 0 && depth % sepa->freq == 0 &&
428  (sepa->expbackoff == 1 || SCIPsetIsIntegral(set, LOG2(depth * (1.0 / sepa->freq)) / LOG2((SCIP_Real)sepa->expbackoff)))) ||
429  sepa->lpwasdelayed )
430  )
431  {
432  if( (!sepa->delay && !sepa->lpwasdelayed) || execdelayed )
433  {
434  SCIP_CUTPOOL* cutpool;
435  SCIP_CUTPOOL* delayedcutpool;
436  SCIP_Longint oldndomchgs;
437  SCIP_Longint oldnprobdomchgs;
438  int oldncutsfound;
439  int oldnactiveconss;
440  int ncutsfound;
441 
442  SCIPsetDebugMsg(set, "executing separator <%s> on LP solution\n", sepa->name);
443 
444  cutpool = SCIPgetGlobalCutpool(set->scip);
445  delayedcutpool = SCIPgetDelayedGlobalCutpool(set->scip);
446  oldndomchgs = stat->nboundchgs + stat->nholechgs;
447  oldnprobdomchgs = stat->nprobboundchgs + stat->nprobholechgs;
448  oldncutsfound = SCIPsepastoreGetNCuts(sepastore) + SCIPcutpoolGetNCuts(cutpool) + SCIPcutpoolGetNCuts(delayedcutpool);
449 
450  oldnactiveconss = stat->nactiveconss;
451 
452  /* reset the statistics for current node */
453  if( sepa->lastsepanode != stat->ntotalnodes )
454  {
455  sepa->ncallsatnode = 0;
456  sepa->ncutsfoundatnode = 0;
457  }
458 
459  /* start timing */
460  SCIPclockStart(sepa->sepaclock, set);
461 
462  /* call external separation method */
463  SCIP_CALL( sepa->sepaexeclp(set->scip, sepa, result, allowlocal, depth) );
464 
465  /* stop timing */
466  SCIPclockStop(sepa->sepaclock, set);
467 
468  /* update statistics */
469  if( *result != SCIP_DIDNOTRUN && *result != SCIP_DELAYED )
470  {
471  sepa->ncalls++;
472  if( depth == 0 )
473  sepa->nrootcalls++;
474  sepa->ncallsatnode++;
475  sepa->lastsepanode = stat->ntotalnodes;
476  }
477  if( *result == SCIP_CUTOFF )
478  sepa->ncutoffs++;
479 
480  ncutsfound = SCIPsepastoreGetNCuts(sepastore) + SCIPcutpoolGetNCuts(cutpool) + SCIPcutpoolGetNCuts(delayedcutpool) - oldncutsfound;
481  sepa->ncutsfound += ncutsfound;
482  sepa->ncutsfoundatnode += ncutsfound;
483  sepa->nconssfound += MAX(stat->nactiveconss - oldnactiveconss, 0); /*lint !e776*/
484 
485  /* update domain reductions; therefore remove the domain
486  * reduction counts which were generated in probing mode */
487  sepa->ndomredsfound += stat->nboundchgs + stat->nholechgs - oldndomchgs;
488  sepa->ndomredsfound -= (stat->nprobboundchgs + stat->nprobholechgs - oldnprobdomchgs);
489 
490  /* evaluate result */
491  if( *result != SCIP_CUTOFF
492  && *result != SCIP_CONSADDED
493  && *result != SCIP_REDUCEDDOM
494  && *result != SCIP_SEPARATED
495  && *result != SCIP_NEWROUND
496  && *result != SCIP_DIDNOTFIND
497  && *result != SCIP_DIDNOTRUN
498  && *result != SCIP_DELAYED )
499  {
500  SCIPerrorMessage("execution method of separator <%s> returned invalid result <%d>\n",
501  sepa->name, *result);
502  return SCIP_INVALIDRESULT;
503  }
504  }
505  else
506  {
507  SCIPsetDebugMsg(set, "separator <%s> was delayed\n", sepa->name);
508  *result = SCIP_DELAYED;
509  }
510 
511  /* remember whether separator was delayed */
512  sepa->lpwasdelayed = (*result == SCIP_DELAYED);
513  }
514  else
515  *result = SCIP_DIDNOTRUN;
516 
517  return SCIP_OKAY;
518 }
519 
520 /** calls primal solution separation method of separator */
522  SCIP_SEPA* sepa, /**< separator */
523  SCIP_SET* set, /**< global SCIP settings */
524  SCIP_STAT* stat, /**< dynamic problem statistics */
525  SCIP_SEPASTORE* sepastore, /**< separation storage */
526  SCIP_SOL* sol, /**< primal solution that should be separated */
527  int depth, /**< depth of current node */
528  SCIP_Bool allowlocal, /**< should the separator allow local cuts */
529  SCIP_Bool execdelayed, /**< execute separator even if it is marked to be delayed */
530  SCIP_RESULT* result /**< pointer to store the result of the callback method */
531  )
532 {
533  assert(sepa != NULL);
534  assert(sepa->freq >= -1);
535  assert(set != NULL);
536  assert(set->scip != NULL);
537  assert(stat != NULL);
538  assert(depth >= 0);
539  assert(result != NULL);
540 
541  if( sepa->sepaexecsol != NULL &&
542  ( (depth == 0 && sepa->freq != -1) ||
543  (sepa->freq > 0 && depth % sepa->freq == 0 &&
544  (sepa->expbackoff == 1 || SCIPsetIsIntegral(set, LOG2(depth * (1.0 / sepa->freq) / LOG2((SCIP_Real)sepa->expbackoff))))) ||
545  sepa->solwasdelayed )
546  )
547  {
548  if( (!sepa->delay && !sepa->solwasdelayed) || execdelayed )
549  {
550  SCIP_Longint oldndomchgs;
551  SCIP_Longint oldnprobdomchgs;
552  int oldncutsfound;
553  int oldnactiveconss;
554  int ncutsfound;
555 
556  SCIPsetDebugMsg(set, "executing separator <%s> on solution %p\n", sepa->name, (void*)sol);
557 
558  oldndomchgs = stat->nboundchgs + stat->nholechgs;
559  oldnprobdomchgs = stat->nprobboundchgs + stat->nprobholechgs;
560  oldncutsfound = SCIPsepastoreGetNCuts(sepastore);
561  oldnactiveconss = stat->nactiveconss;
562 
563  /* reset the statistics for current node */
564  if( sepa->lastsepanode != stat->ntotalnodes )
565  {
566  sepa->ncallsatnode = 0;
567  sepa->ncutsfoundatnode = 0;
568  }
569 
570  /* start timing */
571  SCIPclockStart(sepa->sepaclock, set);
572 
573  /* call external separation method */
574  SCIP_CALL( sepa->sepaexecsol(set->scip, sepa, sol, result, allowlocal, depth) );
575 
576  /* stop timing */
577  SCIPclockStop(sepa->sepaclock, set);
578 
579  /* update statistics */
580  if( *result != SCIP_DIDNOTRUN && *result != SCIP_DELAYED )
581  {
582  sepa->ncalls++;
583  if( depth == 0 )
584  sepa->nrootcalls++;
585  sepa->ncallsatnode++;
586  sepa->lastsepanode = stat->ntotalnodes;
587  }
588  if( *result == SCIP_CUTOFF )
589  sepa->ncutoffs++;
590 
591  ncutsfound = SCIPsepastoreGetNCuts(sepastore) - oldncutsfound;
592 
593  sepa->ncutsfound += ncutsfound;
594  sepa->ncutsfoundatnode += ncutsfound;
595  sepa->nconssfound += MAX(stat->nactiveconss - oldnactiveconss, 0); /*lint !e776*/
596 
597  /* update domain reductions; therefore remove the domain
598  * reduction counts which were generated in probing mode */
599  sepa->ndomredsfound += stat->nboundchgs + stat->nholechgs - oldndomchgs;
600  sepa->ndomredsfound -= (stat->nprobboundchgs + stat->nprobholechgs - oldnprobdomchgs);
601 
602  /* evaluate result */
603  if( *result != SCIP_CUTOFF
604  && *result != SCIP_CONSADDED
605  && *result != SCIP_REDUCEDDOM
606  && *result != SCIP_SEPARATED
607  && *result != SCIP_NEWROUND
608  && *result != SCIP_DIDNOTFIND
609  && *result != SCIP_DIDNOTRUN
610  && *result != SCIP_DELAYED )
611  {
612  SCIPerrorMessage("execution method of separator <%s> returned invalid result <%d>\n",
613  sepa->name, *result);
614  return SCIP_INVALIDRESULT;
615  }
616  }
617  else
618  {
619  SCIPsetDebugMsg(set, "separator <%s> was delayed\n", sepa->name);
620  *result = SCIP_DELAYED;
621  }
622 
623  /* remember whether separator was delayed */
624  sepa->solwasdelayed = (*result == SCIP_DELAYED);
625  }
626  else
627  *result = SCIP_DIDNOTRUN;
628 
629  return SCIP_OKAY;
630 }
631 
632 /** gets user data of separator */
634  SCIP_SEPA* sepa /**< separator */
635  )
636 {
637  assert(sepa != NULL);
638 
639  return sepa->sepadata;
640 }
641 
642 /** sets user data of separator; user has to free old data in advance! */
644  SCIP_SEPA* sepa, /**< separator */
645  SCIP_SEPADATA* sepadata /**< new separator user data */
646  )
647 {
648  assert(sepa != NULL);
649 
650  sepa->sepadata = sepadata;
651 }
652 
653 /* new callback/method setter methods */
654 
655 /** sets copy method of separator */
657  SCIP_SEPA* sepa, /**< separator */
658  SCIP_DECL_SEPACOPY ((*sepacopy)) /**< copy method of separator or NULL if you don't want to copy your plugin into sub-SCIPs */
659  )
660 {
661  assert(sepa != NULL);
662 
663  sepa->sepacopy = sepacopy;
664 }
665 
666 /** sets destructor method of separator */
668  SCIP_SEPA* sepa, /**< separator */
669  SCIP_DECL_SEPAFREE ((*sepafree)) /**< destructor of separator */
670  )
671 {
672  assert(sepa != NULL);
673 
674  sepa->sepafree = sepafree;
675 }
676 
677 /** sets initialization method of separator */
679  SCIP_SEPA* sepa, /**< separator */
680  SCIP_DECL_SEPAINIT ((*sepainit)) /**< initialize separator */
681  )
682 {
683  assert(sepa != NULL);
684 
685  sepa->sepainit = sepainit;
686 }
687 
688 /** sets deinitialization method of separator */
690  SCIP_SEPA* sepa, /**< separator */
691  SCIP_DECL_SEPAEXIT ((*sepaexit)) /**< deinitialize separator */
692  )
693 {
694  assert(sepa != NULL);
695 
696  sepa->sepaexit = sepaexit;
697 }
698 
699 /** sets solving process initialization method of separator */
701  SCIP_SEPA* sepa, /**< separator */
702  SCIP_DECL_SEPAINITSOL ((*sepainitsol)) /**< solving process initialization method of separator */
703  )
704 {
705  assert(sepa != NULL);
706 
707  sepa->sepainitsol = sepainitsol;
708 }
709 
710 /** sets solving process deinitialization method of separator */
712  SCIP_SEPA* sepa, /**< separator */
713  SCIP_DECL_SEPAEXITSOL ((*sepaexitsol)) /**< solving process deinitialization method of separator */
714  )
715 {
716  assert(sepa != NULL);
717 
718  sepa->sepaexitsol = sepaexitsol;
719 }
720 
721 /** declares separator to be a parent separator */
723  SCIP_SEPA* sepa /**< separator */
724  )
725 {
726  assert(sepa != NULL);
727 
728  sepa->isparentsepa = TRUE;
729 }
730 
731 /** sets the parent separator */
733  SCIP_SEPA* sepa, /**< separator */
734  SCIP_SEPA* parentsepa /**< parent separator */
735  )
736 {
737  assert(sepa != NULL);
738 
739  sepa->parentsepa = parentsepa;
740 }
741 
742 /** gets name of separator */
743 const char* SCIPsepaGetName(
744  SCIP_SEPA* sepa /**< separator */
745  )
746 {
747  assert(sepa != NULL);
748 
749  return sepa->name;
750 }
751 
752 /** gets description of separator */
753 const char* SCIPsepaGetDesc(
754  SCIP_SEPA* sepa /**< separator */
755  )
756 {
757  assert(sepa != NULL);
758 
759  return sepa->desc;
760 }
761 
762 /** gets priority of separator */
764  SCIP_SEPA* sepa /**< separator */
765  )
766 {
767  assert(sepa != NULL);
768 
769  return sepa->priority;
770 }
771 
772 /** sets priority of separator */
774  SCIP_SEPA* sepa, /**< separator */
775  SCIP_SET* set, /**< global SCIP settings */
776  int priority /**< new priority of the separator */
777  )
778 {
779  assert(sepa != NULL);
780  assert(set != NULL);
781 
782  sepa->priority = priority;
783  set->sepassorted = FALSE;
784 }
785 
786 /** gets frequency of separator */
788  SCIP_SEPA* sepa /**< separator */
789  )
790 {
791  assert(sepa != NULL);
792 
793  return sepa->freq;
794 }
795 
796 /** sets frequency of separator */
798  SCIP_SEPA* sepa, /**< separator */
799  int freq /**< new frequency of separator */
800  )
801 {
802  assert(sepa != NULL);
803 
804  sepa->freq = freq;
805 }
806 
807 /** get maximal bound distance at which the separator is called */
809  SCIP_SEPA* sepa /**< separator */
810  )
811 {
812  assert(sepa != NULL);
813 
814  return sepa->maxbounddist;
815 }
816 
817 /** does the separator use a secondary SCIP instance? */
819  SCIP_SEPA* sepa /**< separator */
820  )
821 {
822  assert(sepa != NULL);
823 
824  return sepa->usessubscip;
825 }
826 
827 /** enables or disables all clocks of \p sepa, depending on the value of the flag */
829  SCIP_SEPA* sepa, /**< the separator for which all clocks should be enabled or disabled */
830  SCIP_Bool enable /**< should the clocks of the separator be enabled? */
831  )
832 {
833  assert(sepa != NULL);
834 
835  SCIPclockEnableOrDisable(sepa->setuptime, enable);
836  SCIPclockEnableOrDisable(sepa->sepaclock, enable);
837 }
838 
839 /** gets time in seconds used in this separator for setting up for next stages */
841  SCIP_SEPA* sepa /**< separator */
842  )
843 {
844  assert(sepa != NULL);
845 
846  return SCIPclockGetTime(sepa->setuptime);
847 }
848 
849 /** gets time in seconds used in this separator */
851  SCIP_SEPA* sepa /**< separator */
852  )
853 {
854  assert(sepa != NULL);
855 
856  return SCIPclockGetTime(sepa->sepaclock);
857 }
858 
859 /** gets the total number of times the separator was called */
861  SCIP_SEPA* sepa /**< separator */
862  )
863 {
864  assert(sepa != NULL);
865 
866  return sepa->ncalls;
867 }
868 
869 /** gets the total number of times the separator was called at the root */
871  SCIP_SEPA* sepa /**< separator */
872  )
873 {
874  assert(sepa != NULL);
875 
876  return sepa->nrootcalls;
877 }
878 
879 /** gets the number of times, the separator was called at the current node */
881  SCIP_SEPA* sepa /**< separator */
882  )
883 {
884  assert(sepa != NULL);
885 
886  return sepa->ncallsatnode;
887 }
888 
889 /** gets total number of times, the separator detected a cutoff */
891  SCIP_SEPA* sepa /**< separator */
892  )
893 {
894  assert(sepa != NULL);
895 
896  return sepa->ncutoffs;
897 }
898 
899 /** gets the total number of cutting planes added from the separator to the cut pool */
901  SCIP_SEPA* sepa /**< separator */
902  )
903 {
904  assert(sepa != NULL);
905 
906  return sepa->ncutsfound;
907 }
908 
909 /** gets the total number of cutting planes added from the separator to the sepastore;
910  * equal to the sum of added cuts directly and via the pool. */
912  SCIP_SEPA* sepa /**< separator */
913  )
914 {
915  assert(sepa != NULL);
916 
917  return sepa->ncutsadded;
918 }
919 
920 /** gets the number of cutting planes found by the separator added to the sepastore via the cut pool */
922  SCIP_SEPA* sepa /**< separator */
923  )
924 {
925  assert(sepa != NULL);
926 
927  return sepa->ncutsaddedviapool;
928 }
929 
930 /** gets the number of cutting planes found by the separator added directly to the sepastore */
932  SCIP_SEPA* sepa /**< separator */
933  )
934 {
935  assert(sepa != NULL);
936 
937  return sepa->ncutsaddeddirect;
938 }
939 
940 /** gets the total number of cutting planes of the separator finally applied to the LP */
942  SCIP_SEPA* sepa /**< separator */
943  )
944 {
945  assert(sepa != NULL);
946 
947  return sepa->ncutsappliedviapool + sepa->ncutsapplieddirect;
948 }
949 
950 /** gets the total number of cutting planes of the separator applied to the LP via the cutpool */
952  SCIP_SEPA* sepa /**< separator */
953  )
954 {
955  assert(sepa != NULL);
956 
957  return sepa->ncutsappliedviapool;
958 }
959 
960 /** gets the total number of cutting planes of the separator applied to the LP via the sepastore directly */
962  SCIP_SEPA* sepa /**< separator */
963  )
964 {
965  assert(sepa != NULL);
966 
967  return sepa->ncutsapplieddirect;
968 }
969 
970 /** increase count of applied cuts by one */
972  SCIP_SEPA* sepa, /**< separator */
973  SCIP_Bool fromcutpool /**< whether the cuts were added from the cutpool to sepastore */
974  )
975 {
976  SCIP_SEPA* parentsepa;
977 
978  assert( sepa != NULL );
979 
980  if( fromcutpool )
981  ++sepa->ncutsappliedviapool;
982  else
983  ++sepa->ncutsapplieddirect;
984 
985  parentsepa = SCIPsepaGetParentsepa(sepa);
986  if( parentsepa != NULL )
987  {
988  SCIPsepaIncNCutsApplied(parentsepa, fromcutpool);
989  }
990 }
991 
992 /** increase count of added cuts by one */
994  SCIP_SEPA* sepa, /**< separator */
995  SCIP_Bool fromcutpool /**< whether the cuts were added from the cutpool to sepastore */
996  )
997 {
998  SCIP_SEPA* parentsepa;
999 
1000  assert( sepa != NULL );
1001 
1002  ++sepa->ncutsadded;
1003  if( fromcutpool )
1004  sepa->ncutsaddedviapool++;
1005  else
1006  sepa->ncutsaddeddirect++;
1007 
1008  parentsepa = SCIPsepaGetParentsepa(sepa);
1009  if( parentsepa != NULL )
1010  {
1011  SCIPsepaIncNCutsAdded(parentsepa, fromcutpool);
1012  }
1013 }
1014 
1015 /** decrease the count of added cuts by one */
1017  SCIP_SEPA* sepa, /**< separator */
1018  SCIP_Bool fromcutpool /**< whether the cuts were added from the cutpool to sepastore */
1019  )
1020 {
1021  SCIP_SEPA* parentsepa;
1022 
1023  assert( sepa != NULL );
1024 
1025  sepa->ncutsadded--;
1026  if( fromcutpool )
1027  sepa->ncutsaddedviapool--;
1028  else
1029  sepa->ncutsaddeddirect--;
1030 
1031  parentsepa = SCIPsepaGetParentsepa(sepa);
1032  if( parentsepa != NULL )
1033  {
1034  SCIPsepaDecNCutsAdded(parentsepa, fromcutpool);
1035  }
1036 }
1037 
1038 /** increase count of found cuts by one */
1040  SCIP_SEPA* sepa /**< separator */
1041  )
1042 {
1043  assert( sepa != NULL );
1044 
1045  ++sepa->ncutsfound;
1046 }
1047 
1048 /** increase count of found cuts at current node by one */
1050  SCIP_SEPA* sepa /**< separator */
1051  )
1052 {
1053  assert( sepa != NULL );
1054 
1055  ++sepa->ncutsfoundatnode;
1056 }
1057 
1058 /** gets the number of cutting planes found by this separator at the current node */
1060  SCIP_SEPA* sepa /**< separator */
1061  )
1062 {
1063  assert(sepa != NULL);
1064 
1065  return sepa->ncutsfoundatnode;
1066 }
1067 
1068 /** gets total number of additional constraints added by this separator */
1070  SCIP_SEPA* sepa /**< separator */
1071  )
1072 {
1073  assert(sepa != NULL);
1074 
1075  return sepa->nconssfound;
1076 }
1077 
1078 /** gets total number of domain reductions found by this separator */
1080  SCIP_SEPA* sepa /**< separator */
1081  )
1082 {
1083  assert(sepa != NULL);
1084 
1085  return sepa->ndomredsfound;
1086 }
1087 
1088 /** should separator be delayed, if other separators found cuts? */
1090  SCIP_SEPA* sepa /**< separator */
1091  )
1092 {
1093  assert(sepa != NULL);
1094 
1095  return sepa->delay;
1096 }
1097 
1098 /** was separation of the LP solution delayed at the last call? */
1100  SCIP_SEPA* sepa /**< separator */
1101  )
1102 {
1103  assert(sepa != NULL);
1104 
1105  return sepa->lpwasdelayed;
1106 }
1107 
1108 /** was separation of the primal solution delayed at the last call? */
1110  SCIP_SEPA* sepa /**< separator */
1111  )
1112 {
1113  assert(sepa != NULL);
1114 
1115  return sepa->solwasdelayed;
1116 }
1117 
1118 /** is separator initialized? */
1120  SCIP_SEPA* sepa /**< separator */
1121  )
1122 {
1123  assert(sepa != NULL);
1124 
1125  return sepa->initialized;
1126 }
1127 
1128 /** gets whether separator is a parent separator */
1130  SCIP_SEPA* sepa /**< separator */
1131  )
1132 {
1133  assert(sepa != NULL);
1134 
1135  return sepa->isparentsepa;
1136 }
1137 
1138 /** gets parent separator (or NULL) */
1140  SCIP_SEPA* sepa /**< separator */
1141  )
1142 {
1143  assert(sepa != NULL);
1144 
1145  return sepa->parentsepa;
1146 }
enum SCIP_Result SCIP_RESULT
Definition: type_result.h:61
SCIP_Bool solwasdelayed
Definition: struct_sepa.h:84
void SCIPsepaSetFree(SCIP_SEPA *sepa, SCIP_DECL_SEPAFREE((*sepafree)))
Definition: sepa.c:667
internal methods for separators
SCIP_Bool usessubscip
Definition: struct_sepa.h:81
SCIP_SEPADATA * sepadata
Definition: struct_sepa.h:73
SCIP_Bool SCIPsetIsLE(SCIP_SET *set, SCIP_Real val1, SCIP_Real val2)
Definition: set.c:6273
SCIP_SEPA * SCIPsepaGetParentsepa(SCIP_SEPA *sepa)
Definition: sepa.c:1139
void SCIPsepaEnableOrDisableClocks(SCIP_SEPA *sepa, SCIP_Bool enable)
Definition: sepa.c:828
SCIP_CLOCK * setuptime
Definition: struct_sepa.h:74
#define BMSfreeMemoryArrayNull(ptr)
Definition: memory.h:150
SCIP_Bool SCIPsepaIsParentsepa(SCIP_SEPA *sepa)
Definition: sepa.c:1129
SCIP_RETCODE SCIPsepaCopyInclude(SCIP_SEPA *sepa, SCIP_SET *set)
Definition: sepa.c:79
SCIP_PARAMDATA * SCIPparamGetData(SCIP_PARAM *param)
Definition: paramset.c:679
SCIP_CLOCK * sepaclock
Definition: struct_sepa.h:75
#define SCIP_MAXSTRLEN
Definition: def.h:302
internal methods for clocks and timing issues
SCIP_Longint ntotalnodes
Definition: struct_stat.h:87
char * name
Definition: struct_sepa.h:63
struct SCIP_ParamData SCIP_PARAMDATA
Definition: type_paramset.h:87
#define SCIP_CALL_FINALLY(x, y)
Definition: def.h:436
SCIP_Bool SCIPsepaUsesSubscip(SCIP_SEPA *sepa)
Definition: sepa.c:818
SCIP_Longint SCIPsepaGetNDomredsFound(SCIP_SEPA *sepa)
Definition: sepa.c:1079
SCIP_Longint SCIPsepaGetNCutsAppliedViaPool(SCIP_SEPA *sepa)
Definition: sepa.c:951
SCIP_RETCODE SCIPsepaExecSol(SCIP_SEPA *sepa, SCIP_SET *set, SCIP_STAT *stat, SCIP_SEPASTORE *sepastore, SCIP_SOL *sol, int depth, SCIP_Bool allowlocal, SCIP_Bool execdelayed, SCIP_RESULT *result)
Definition: sepa.c:521
SCIP_Real SCIPsepaGetSetupTime(SCIP_SEPA *sepa)
Definition: sepa.c:840
SCIP_Longint nholechgs
Definition: struct_stat.h:116
void SCIPclockStop(SCIP_CLOCK *clck, SCIP_SET *set)
Definition: clock.c:360
#define FALSE
Definition: def.h:96
void SCIPclockStart(SCIP_CLOCK *clck, SCIP_SET *set)
Definition: clock.c:290
SCIP_Longint ncutsapplieddirect
Definition: struct_sepa.h:58
int SCIPsnprintf(char *t, int len, const char *s,...)
Definition: misc.c:10788
SCIP_Real maxbounddist
Definition: struct_sepa.h:61
#define TRUE
Definition: def.h:95
const char * SCIPsepaGetName(SCIP_SEPA *sepa)
Definition: sepa.c:743
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:63
SCIP_Bool initialized
Definition: struct_sepa.h:85
SCIP_Real SCIPsepaGetTime(SCIP_SEPA *sepa)
Definition: sepa.c:850
SCIP_Longint ncutsfound
Definition: struct_sepa.h:52
void SCIPsepaSetExit(SCIP_SEPA *sepa, SCIP_DECL_SEPAEXIT((*sepaexit)))
Definition: sepa.c:689
SCIP_Longint SCIPsepaGetNCutsFound(SCIP_SEPA *sepa)
Definition: sepa.c:900
SCIP_Longint SCIPsepaGetNCutsAdded(SCIP_SEPA *sepa)
Definition: sepa.c:911
void SCIPsepaIncNCutsFoundAtNode(SCIP_SEPA *sepa)
Definition: sepa.c:1049
SCIP_RETCODE SCIPsetSepaPriority(SCIP *scip, SCIP_SEPA *sepa, int priority)
Definition: scip_sepa.c:284
int ncallsatnode
Definition: struct_sepa.h:78
SCIP_RETCODE SCIPsepaFree(SCIP_SEPA **sepa, SCIP_SET *set)
Definition: sepa.c:242
#define SCIP_DECL_SEPAEXECLP(x)
Definition: type_sepa.h:136
internal methods for handling parameter settings
void SCIPclockEnableOrDisable(SCIP_CLOCK *clck, SCIP_Bool enable)
Definition: clock.c:260
#define BMSfreeMemory(ptr)
Definition: memory.h:147
Definition: heur_padm.c:132
SCIP_Longint nrootcalls
Definition: struct_sepa.h:50
SCIP_DECL_SORTPTRCOMP(SCIPsepaComp)
Definition: sepa.c:52
SCIP_SEPADATA * SCIPsepaGetData(SCIP_SEPA *sepa)
Definition: sepa.c:633
void SCIPsepaDecNCutsAdded(SCIP_SEPA *sepa, SCIP_Bool fromcutpool)
Definition: sepa.c:1016
SCIP_RETCODE SCIPsepaInit(SCIP_SEPA *sepa, SCIP_SET *set)
Definition: sepa.c:269
#define SCIP_DECL_SEPACOPY(x)
Definition: type_sepa.h:61
int SCIPsepaGetFreq(SCIP_SEPA *sepa)
Definition: sepa.c:787
SCIP_RETCODE SCIPsepaInitsol(SCIP_SEPA *sepa, SCIP_SET *set)
Definition: sepa.c:352
SCIP_RETCODE SCIPsepaExecLP(SCIP_SEPA *sepa, SCIP_SET *set, SCIP_STAT *stat, SCIP_SEPASTORE *sepastore, int depth, SCIP_Real bounddist, SCIP_Bool allowlocal, SCIP_Bool execdelayed, SCIP_RESULT *result)
Definition: sepa.c:403
SCIP_Longint nconssfound
Definition: struct_sepa.h:59
#define SCIPerrorMessage
Definition: pub_message.h:64
SCIP_Longint lastsepanode
Definition: struct_sepa.h:48
SCIP_Longint SCIPsepaGetNRootCalls(SCIP_SEPA *sepa)
Definition: sepa.c:870
SCIP_Bool lpwasdelayed
Definition: struct_sepa.h:83
SCIP_Longint ncalls
Definition: struct_sepa.h:49
void SCIPclockReset(SCIP_CLOCK *clck)
Definition: clock.c:209
static SCIP_DECL_PARAMCHGD(paramChgdSepaPriority)
Definition: sepa.c:65
SCIP_Longint SCIPsepaGetNCutoffs(SCIP_SEPA *sepa)
Definition: sepa.c:890
int SCIPsepaGetNCallsAtNode(SCIP_SEPA *sepa)
Definition: sepa.c:880
int SCIPsepastoreGetNCuts(SCIP_SEPASTORE *sepastore)
Definition: sepastore.c:1149
SCIP_Real SCIPclockGetTime(SCIP_CLOCK *clck)
Definition: clock.c:438
void SCIPsepaSetData(SCIP_SEPA *sepa, SCIP_SEPADATA *sepadata)
Definition: sepa.c:643
#define NULL
Definition: lpi_spx1.cpp:164
int ncutsfoundatnode
Definition: struct_sepa.h:79
void SCIPsepaSetFreq(SCIP_SEPA *sepa, int freq)
Definition: sepa.c:797
SCIP_CUTPOOL * SCIPgetDelayedGlobalCutpool(SCIP *scip)
Definition: scip_cut.c:711
SCIP_Longint ncutsaddedviapool
Definition: struct_sepa.h:55
void SCIPsepaSetExitsol(SCIP_SEPA *sepa, SCIP_DECL_SEPAEXITSOL((*sepaexitsol)))
Definition: sepa.c:711
internal methods for global SCIP settings
#define SCIP_CALL(x)
Definition: def.h:394
SCIP_Longint ncutsappliedviapool
Definition: struct_sepa.h:57
SCIP_Real SCIPsepaGetMaxbounddist(SCIP_SEPA *sepa)
Definition: sepa.c:808
SCIP_RETCODE SCIPsetAddIntParam(SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, const char *name, const char *desc, int *valueptr, SCIP_Bool isadvanced, int defaultvalue, int minvalue, int maxvalue, SCIP_DECL_PARAMCHGD((*paramchgd)), SCIP_PARAMDATA *paramdata)
Definition: set.c:3029
int SCIPcutpoolGetNCuts(SCIP_CUTPOOL *cutpool)
Definition: cutpool.c:1085
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const char * SCIPsepaGetDesc(SCIP_SEPA *sepa)
Definition: sepa.c:753
#define BMSduplicateMemoryArray(ptr, source, num)
Definition: memory.h:145
SCIP_Longint nprobboundchgs
Definition: struct_stat.h:117
SCIP_RETCODE SCIPclockCreate(SCIP_CLOCK **clck, SCIP_CLOCKTYPE clocktype)
Definition: clock.c:170
void SCIPsepaSetCopy(SCIP_SEPA *sepa, SCIP_DECL_SEPACOPY((*sepacopy)))
Definition: sepa.c:656
SCIP_Longint SCIPsepaGetNCalls(SCIP_SEPA *sepa)
Definition: sepa.c:860
void SCIPsepaIncNCutsAdded(SCIP_SEPA *sepa, SCIP_Bool fromcutpool)
Definition: sepa.c:993
SCIP_Bool SCIPsepaWasLPDelayed(SCIP_SEPA *sepa)
Definition: sepa.c:1099
SCIP_Bool SCIPsetIsIntegral(SCIP_SET *set, SCIP_Real val)
Definition: set.c:6360
public data structures and miscellaneous methods
void SCIPsepaSetInitsol(SCIP_SEPA *sepa, SCIP_DECL_SEPAINITSOL((*sepainitsol)))
Definition: sepa.c:700
#define SCIP_Bool
Definition: def.h:93
#define SCIP_DECL_SEPAINIT(x)
Definition: type_sepa.h:77
static const char * paramname[]
Definition: lpi_msk.c:5040
SCIP_Longint SCIPsepaGetNConssFound(SCIP_SEPA *sepa)
Definition: sepa.c:1069
void SCIPclockFree(SCIP_CLOCK **clck)
Definition: clock.c:185
#define MAX(x, y)
Definition: tclique_def.h:92
#define SCIPsetDebugMsg
Definition: set.h:1770
SCIP_Longint SCIPsepaGetNCutsAddedViaPool(SCIP_SEPA *sepa)
Definition: sepa.c:921
SCIP_Longint SCIPsepaGetNCutsAddedDirect(SCIP_SEPA *sepa)
Definition: sepa.c:931
SCIP_Longint ncutoffs
Definition: struct_sepa.h:51
SCIP_Longint SCIPsepaGetNCutsAppliedDirect(SCIP_SEPA *sepa)
Definition: sepa.c:961
#define SCIP_DECL_SEPAEXITSOL(x)
Definition: type_sepa.h:107
#define SCIP_DECL_SEPAEXECSOL(x)
Definition: type_sepa.h:166
#define BMSclearMemory(ptr)
Definition: memory.h:131
SCIP_Longint ncutsaddeddirect
Definition: struct_sepa.h:56
SCIP_Bool delay
Definition: struct_sepa.h:82
#define SCIP_MAXTREEDEPTH
Definition: def.h:330
int SCIPparamGetInt(SCIP_PARAM *param)
Definition: paramset.c:734
void SCIPsepaSetPriority(SCIP_SEPA *sepa, SCIP_SET *set, int priority)
Definition: sepa.c:773
SCIP_Bool SCIPsepaWasSolDelayed(SCIP_SEPA *sepa)
Definition: sepa.c:1109
void SCIPsepaIncNCutsApplied(SCIP_SEPA *sepa, SCIP_Bool fromcutpool)
Definition: sepa.c:971
int nactiveconss
Definition: struct_stat.h:239
SCIP_RETCODE SCIPsepaExit(SCIP_SEPA *sepa, SCIP_SET *set)
Definition: sepa.c:322
#define SCIP_DECL_SEPAEXIT(x)
Definition: type_sepa.h:85
#define SCIP_DECL_SEPAINITSOL(x)
Definition: type_sepa.h:96
public methods for message output
SCIP_Longint ndomredsfound
Definition: struct_sepa.h:60
SCIP_Longint nboundchgs
Definition: struct_stat.h:115
SCIP_Bool SCIPsepaIsDelayed(SCIP_SEPA *sepa)
Definition: sepa.c:1089
#define SCIP_Real
Definition: def.h:186
internal methods for problem statistics
struct SCIP_Sepa * parentsepa
Definition: struct_sepa.h:87
datastructures for separators
void SCIPsepaSetParentsepa(SCIP_SEPA *sepa, SCIP_SEPA *parentsepa)
Definition: sepa.c:732
SCIP_Longint SCIPsepaGetNCutsApplied(SCIP_SEPA *sepa)
Definition: sepa.c:941
static SCIP_RETCODE doSepaCreate(SCIP_SEPA **sepa, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, const char *name, const char *desc, int priority, int freq, SCIP_Real maxbounddist, SCIP_Bool usessubscip, SCIP_Bool delay, SCIP_DECL_SEPACOPY((*sepacopy)), SCIP_DECL_SEPAFREE((*sepafree)), SCIP_DECL_SEPAINIT((*sepainit)), SCIP_DECL_SEPAEXIT((*sepaexit)), SCIP_DECL_SEPAINITSOL((*sepainitsol)), SCIP_DECL_SEPAEXITSOL((*sepaexitsol)), SCIP_DECL_SEPAEXECLP((*sepaexeclp)), SCIP_DECL_SEPAEXECSOL((*sepaexecsol)), SCIP_SEPADATA *sepadata)
Definition: sepa.c:98
#define BMSallocMemory(ptr)
Definition: memory.h:120
void SCIPsepaIncNCutsFound(SCIP_SEPA *sepa)
Definition: sepa.c:1039
#define SCIP_Longint
Definition: def.h:171
void SCIPsepaSetIsParentsepa(SCIP_SEPA *sepa)
Definition: sepa.c:722
int priority
Definition: struct_sepa.h:76
void SCIPsepaSetInit(SCIP_SEPA *sepa, SCIP_DECL_SEPAINIT((*sepainit)))
Definition: sepa.c:678
SCIP_Bool SCIPsepaIsInitialized(SCIP_SEPA *sepa)
Definition: sepa.c:1119
SCIP_Longint ncutsadded
Definition: struct_sepa.h:53
common defines and data types used in all packages of SCIP
struct BMS_BlkMem BMS_BLKMEM
Definition: memory.h:439
SCIP_RETCODE SCIPsetAddRealParam(SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, const char *name, const char *desc, SCIP_Real *valueptr, SCIP_Bool isadvanced, SCIP_Real defaultvalue, SCIP_Real minvalue, SCIP_Real maxvalue, SCIP_DECL_PARAMCHGD((*paramchgd)), SCIP_PARAMDATA *paramdata)
Definition: set.c:3077
SCIP_CUTPOOL * SCIPgetGlobalCutpool(SCIP *scip)
Definition: scip_cut.c:438
#define SCIP_ALLOC(x)
Definition: def.h:405
int expbackoff
Definition: struct_sepa.h:80
SCIP_RETCODE SCIPsepaExitsol(SCIP_SEPA *sepa, SCIP_SET *set)
Definition: sepa.c:379
SCIP_RETCODE SCIPsetAddBoolParam(SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, const char *name, const char *desc, SCIP_Bool *valueptr, SCIP_Bool isadvanced, SCIP_Bool defaultvalue, SCIP_DECL_PARAMCHGD((*paramchgd)), SCIP_PARAMDATA *paramdata)
Definition: set.c:3007
SCIP_Longint nprobholechgs
Definition: struct_stat.h:118
SCIP_Longint SCIPsepaGetNCutsFoundAtNode(SCIP_SEPA *sepa)
Definition: sepa.c:1059
#define SCIP_DECL_SEPAFREE(x)
Definition: type_sepa.h:69
int SCIPsepaGetPriority(SCIP_SEPA *sepa)
Definition: sepa.c:763
struct SCIP_SepaData SCIP_SEPADATA
Definition: type_sepa.h:52
SCIP_RETCODE SCIPsepaCreate(SCIP_SEPA **sepa, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, const char *name, const char *desc, int priority, int freq, SCIP_Real maxbounddist, SCIP_Bool usessubscip, SCIP_Bool delay, SCIP_DECL_SEPACOPY((*sepacopy)), SCIP_DECL_SEPAFREE((*sepafree)), SCIP_DECL_SEPAINIT((*sepainit)), SCIP_DECL_SEPAEXIT((*sepaexit)), SCIP_DECL_SEPAINITSOL((*sepainitsol)), SCIP_DECL_SEPAEXITSOL((*sepaexitsol)), SCIP_DECL_SEPAEXECLP((*sepaexeclp)), SCIP_DECL_SEPAEXECSOL((*sepaexecsol)), SCIP_SEPADATA *sepadata)
Definition: sepa.c:203
SCIP callable library.
SCIP_Bool isparentsepa
Definition: struct_sepa.h:86
char * desc
Definition: struct_sepa.h:64