Scippy

SCIP

Solving Constraint Integer Programs

sepa.c
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1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2 /* */
3 /* This file is part of the program and library */
4 /* SCIP --- Solving Constraint Integer Programs */
5 /* */
6 /* Copyright (C) 2002-2020 Konrad-Zuse-Zentrum */
7 /* fuer Informationstechnik Berlin */
8 /* */
9 /* SCIP is distributed under the terms of the ZIB Academic License. */
10 /* */
11 /* You should have received a copy of the ZIB Academic License */
12 /* along with SCIP; see the file COPYING. If not visit scipopt.org. */
13 /* */
14 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
15 
16 /**@file sepa.c
17  * @ingroup OTHER_CFILES
18  * @brief methods and datastructures for separators
19  * @author Tobias Achterberg
20  * @author Timo Berthold
21  */
22 
23 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
24 
25 #include <assert.h>
26 #include <string.h>
27 
28 #include "scip/def.h"
29 #include "scip/set.h"
30 #include "scip/stat.h"
31 #include "scip/clock.h"
32 #include "scip/paramset.h"
33 #include "scip/sepastore.h"
34 #include "scip/scip.h"
35 #include "scip/sepa.h"
36 #include "scip/pub_message.h"
37 #include "scip/pub_misc.h"
38 
39 #include "scip/struct_sepa.h"
40 
41 
42 /** compares two separators w. r. to their priority */
43 SCIP_DECL_SORTPTRCOMP(SCIPsepaComp)
44 { /*lint --e{715}*/
45  return ((SCIP_SEPA*)elem2)->priority - ((SCIP_SEPA*)elem1)->priority;
46 }
47 
48 /** comparison method for sorting separators w.r.t. to their name */
49 SCIP_DECL_SORTPTRCOMP(SCIPsepaCompName)
50 {
51  return strcmp(SCIPsepaGetName((SCIP_SEPA*)elem1), SCIPsepaGetName((SCIP_SEPA*)elem2));
52 }
53 
54 /** method to call, when the priority of a separator was changed */
55 static
56 SCIP_DECL_PARAMCHGD(paramChgdSepaPriority)
57 { /*lint --e{715}*/
58  SCIP_PARAMDATA* paramdata;
59 
60  paramdata = SCIPparamGetData(param);
61  assert(paramdata != NULL);
62 
63  /* use SCIPsetSepaPriority() to mark the sepas unsorted */
64  SCIP_CALL( SCIPsetSepaPriority(scip, (SCIP_SEPA*)paramdata, SCIPparamGetInt(param)) ); /*lint !e740*/
65 
66  return SCIP_OKAY;
67 }
68 
69 /** copies the given separator to a new scip */
71  SCIP_SEPA* sepa, /**< separator */
72  SCIP_SET* set /**< SCIP_SET of SCIP to copy to */
73  )
74 {
75  assert(sepa != NULL);
76  assert(set != NULL);
77  assert(set->scip != NULL);
78 
79  if( sepa->sepacopy != NULL )
80  {
81  SCIPsetDebugMsg(set, "including separator %s in subscip %p\n", SCIPsepaGetName(sepa), (void*)set->scip);
82  SCIP_CALL( sepa->sepacopy(set->scip, sepa) );
83  }
84  return SCIP_OKAY;
85 }
86 
87 /** internal method for creating a separator */
88 static
90  SCIP_SEPA** sepa, /**< pointer to separator data structure */
91  SCIP_SET* set, /**< global SCIP settings */
92  SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
93  BMS_BLKMEM* blkmem, /**< block memory for parameter settings */
94  const char* name, /**< name of separator */
95  const char* desc, /**< description of separator */
96  int priority, /**< priority of separator (>= 0: before, < 0: after constraint handlers) */
97  int freq, /**< frequency for calling separator */
98  SCIP_Real maxbounddist, /**< maximal relative distance from current node's dual bound to primal bound compared
99  * to best node's dual bound for applying separation */
100  SCIP_Bool usessubscip, /**< does the separator use a secondary SCIP instance? */
101  SCIP_Bool delay, /**< should separator be delayed, if other separators found cuts? */
102  SCIP_DECL_SEPACOPY ((*sepacopy)), /**< copy method of separator or NULL if you don't want to copy your plugin into sub-SCIPs */
103  SCIP_DECL_SEPAFREE ((*sepafree)), /**< destructor of separator */
104  SCIP_DECL_SEPAINIT ((*sepainit)), /**< initialize separator */
105  SCIP_DECL_SEPAEXIT ((*sepaexit)), /**< deinitialize separator */
106  SCIP_DECL_SEPAINITSOL ((*sepainitsol)), /**< solving process initialization method of separator */
107  SCIP_DECL_SEPAEXITSOL ((*sepaexitsol)), /**< solving process deinitialization method of separator */
108  SCIP_DECL_SEPAEXECLP ((*sepaexeclp)), /**< LP solution separation method of separator */
109  SCIP_DECL_SEPAEXECSOL ((*sepaexecsol)), /**< arbitrary primal solution separation method of separator */
110  SCIP_SEPADATA* sepadata /**< separator data */
111  )
112 {
114  char paramdesc[SCIP_MAXSTRLEN];
115 
116  assert(sepa != NULL);
117  assert(name != NULL);
118  assert(desc != NULL);
119  assert(freq >= -1);
120  assert(0.0 <= maxbounddist && maxbounddist <= 1.0);
121  assert(sepaexeclp != NULL || sepaexecsol != NULL);
122 
123  SCIP_ALLOC( BMSallocMemory(sepa) );
124  BMSclearMemory(*sepa);
125 
126  SCIP_ALLOC( BMSduplicateMemoryArray(&(*sepa)->name, name, strlen(name)+1) );
127  SCIP_ALLOC( BMSduplicateMemoryArray(&(*sepa)->desc, desc, strlen(desc)+1) );
128  (*sepa)->priority = priority;
129  (*sepa)->freq = freq;
130  (*sepa)->maxbounddist = maxbounddist;
131  (*sepa)->usessubscip = usessubscip;
132  (*sepa)->sepacopy = sepacopy;
133  (*sepa)->sepafree = sepafree;
134  (*sepa)->sepainit = sepainit;
135  (*sepa)->sepaexit = sepaexit;
136  (*sepa)->sepainitsol = sepainitsol;
137  (*sepa)->sepaexitsol = sepaexitsol;
138  (*sepa)->sepaexeclp = sepaexeclp;
139  (*sepa)->sepaexecsol = sepaexecsol;
140  (*sepa)->sepadata = sepadata;
141  SCIP_CALL( SCIPclockCreate(&(*sepa)->setuptime, SCIP_CLOCKTYPE_DEFAULT) );
142  SCIP_CALL( SCIPclockCreate(&(*sepa)->sepaclock, SCIP_CLOCKTYPE_DEFAULT) );
143  (*sepa)->lastsepanode = -1;
144  (*sepa)->ncalls = 0;
145  (*sepa)->ncutoffs = 0;
146  (*sepa)->ncutsfound = 0;
147  (*sepa)->ncutsapplied = 0;
148  (*sepa)->nconssfound = 0;
149  (*sepa)->ndomredsfound = 0;
150  (*sepa)->ncallsatnode = 0;
151  (*sepa)->ncutsfoundatnode = 0;
152  (*sepa)->lpwasdelayed = FALSE;
153  (*sepa)->solwasdelayed = FALSE;
154  (*sepa)->initialized = FALSE;
155 
156  /* add parameters */
157  (void) SCIPsnprintf(paramname, SCIP_MAXSTRLEN, "separating/%s/priority", name);
158  (void) SCIPsnprintf(paramdesc, SCIP_MAXSTRLEN, "priority of separator <%s>", name);
159  SCIP_CALL( SCIPsetAddIntParam(set, messagehdlr, blkmem, paramname, paramdesc,
160  &(*sepa)->priority, TRUE, priority, INT_MIN/4, INT_MAX/4,
161  paramChgdSepaPriority, (SCIP_PARAMDATA*)(*sepa)) ); /*lint !e740*/
162 
163  (void) SCIPsnprintf(paramname, SCIP_MAXSTRLEN, "separating/%s/freq", name);
164  (void) SCIPsnprintf(paramdesc, SCIP_MAXSTRLEN, "frequency for calling separator <%s> (-1: never, 0: only in root node)", name);
165  SCIP_CALL( SCIPsetAddIntParam(set, messagehdlr, blkmem, paramname, paramdesc,
166  &(*sepa)->freq, FALSE, freq, -1, SCIP_MAXTREEDEPTH, NULL, NULL) );
167 
168  (void) SCIPsnprintf(paramname, SCIP_MAXSTRLEN, "separating/%s/maxbounddist", name);
169  (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)",
170  name);
171  SCIP_CALL( SCIPsetAddRealParam(set, messagehdlr, blkmem, paramname, paramdesc,
172  &(*sepa)->maxbounddist, TRUE, maxbounddist, 0.0, 1.0, NULL, NULL) );
173 
174  (void) SCIPsnprintf(paramname, SCIP_MAXSTRLEN, "separating/%s/delay", name);
175  SCIP_CALL( SCIPsetAddBoolParam(set, messagehdlr, blkmem, paramname,
176  "should separator be delayed, if other separators found cuts?",
177  &(*sepa)->delay, TRUE, delay, NULL, NULL) ); /*lint !e740*/
178 
179  (void) SCIPsnprintf(paramname, SCIP_MAXSTRLEN, "separating/%s/expbackoff", name);
180  (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);
181  SCIP_CALL( SCIPsetAddIntParam(set, messagehdlr, blkmem, paramname, paramdesc,
182  &(*sepa)->expbackoff, TRUE, 4, 1, 100, NULL, NULL) ); /*lint !e740*/
183 
184  return SCIP_OKAY;
185 }
186 
187 /** creates a separator */
189  SCIP_SEPA** sepa, /**< pointer to separator data structure */
190  SCIP_SET* set, /**< global SCIP settings */
191  SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
192  BMS_BLKMEM* blkmem, /**< block memory for parameter settings */
193  const char* name, /**< name of separator */
194  const char* desc, /**< description of separator */
195  int priority, /**< priority of separator (>= 0: before, < 0: after constraint handlers) */
196  int freq, /**< frequency for calling separator */
197  SCIP_Real maxbounddist, /**< maximal relative distance from current node's dual bound to primal bound compared
198  * to best node's dual bound for applying separation */
199  SCIP_Bool usessubscip, /**< does the separator use a secondary SCIP instance? */
200  SCIP_Bool delay, /**< should separator be delayed, if other separators found cuts? */
201  SCIP_DECL_SEPACOPY ((*sepacopy)), /**< copy method of separator or NULL if you don't want to copy your plugin into sub-SCIPs */
202  SCIP_DECL_SEPAFREE ((*sepafree)), /**< destructor of separator */
203  SCIP_DECL_SEPAINIT ((*sepainit)), /**< initialize separator */
204  SCIP_DECL_SEPAEXIT ((*sepaexit)), /**< deinitialize separator */
205  SCIP_DECL_SEPAINITSOL ((*sepainitsol)), /**< solving process initialization method of separator */
206  SCIP_DECL_SEPAEXITSOL ((*sepaexitsol)), /**< solving process deinitialization method of separator */
207  SCIP_DECL_SEPAEXECLP ((*sepaexeclp)), /**< LP solution separation method of separator */
208  SCIP_DECL_SEPAEXECSOL ((*sepaexecsol)), /**< arbitrary primal solution separation method of separator */
209  SCIP_SEPADATA* sepadata /**< separator data */
210  )
211 {
212  assert(sepa != NULL);
213  assert(name != NULL);
214  assert(desc != NULL);
215  assert(freq >= -1);
216  assert(0.0 <= maxbounddist && maxbounddist <= 1.0);
217  assert(sepaexeclp != NULL || sepaexecsol != NULL);
218 
219  SCIP_CALL_FINALLY( doSepaCreate(sepa, set, messagehdlr, blkmem, name, desc, priority, freq, maxbounddist,
220  usessubscip, delay, sepacopy, sepafree, sepainit, sepaexit, sepainitsol, sepaexitsol, sepaexeclp,
221  sepaexecsol, sepadata), (void) SCIPsepaFree(sepa, set) );
222 
223  return SCIP_OKAY;
224 }
225 
226 /** calls destructor and frees memory of separator */
228  SCIP_SEPA** sepa, /**< pointer to separator data structure */
229  SCIP_SET* set /**< global SCIP settings */
230  )
231 {
232  assert(sepa != NULL);
233  if( *sepa == NULL )
234  return SCIP_OKAY;
235  assert(!(*sepa)->initialized);
236  assert(set != NULL);
237 
238  /* call destructor of separator */
239  if( (*sepa)->sepafree != NULL )
240  {
241  SCIP_CALL( (*sepa)->sepafree(set->scip, *sepa) );
242  }
243 
244  SCIPclockFree(&(*sepa)->sepaclock);
245  SCIPclockFree(&(*sepa)->setuptime);
246  BMSfreeMemoryArrayNull(&(*sepa)->name);
247  BMSfreeMemoryArrayNull(&(*sepa)->desc);
248  BMSfreeMemory(sepa);
249 
250  return SCIP_OKAY;
251 }
252 
253 /** initializes separator */
255  SCIP_SEPA* sepa, /**< separator */
256  SCIP_SET* set /**< global SCIP settings */
257  )
258 {
259  assert(sepa != NULL);
260  assert(set != NULL);
261 
262  if( sepa->initialized )
263  {
264  SCIPerrorMessage("separator <%s> already initialized\n", sepa->name);
265  return SCIP_INVALIDCALL;
266  }
267 
268  if( set->misc_resetstat )
269  {
270  SCIPclockReset(sepa->setuptime);
271  SCIPclockReset(sepa->sepaclock);
272 
273  sepa->lastsepanode = -1;
274  sepa->ncalls = 0;
275  sepa->ncutoffs = 0;
276  sepa->ncutsfound = 0;
277  sepa->ncutsapplied = 0;
278  sepa->nconssfound = 0;
279  sepa->ndomredsfound = 0;
280  sepa->ncallsatnode = 0;
281  sepa->ncutsfoundatnode = 0;
282  sepa->lpwasdelayed = FALSE;
283  sepa->solwasdelayed = FALSE;
284  }
285 
286  if( sepa->sepainit != NULL )
287  {
288  /* start timing */
289  SCIPclockStart(sepa->setuptime, set);
290 
291  SCIP_CALL( sepa->sepainit(set->scip, sepa) );
292 
293  /* stop timing */
294  SCIPclockStop(sepa->setuptime, set);
295  }
296  sepa->initialized = TRUE;
297 
298  return SCIP_OKAY;
299 }
300 
301 /** calls exit method of separator */
303  SCIP_SEPA* sepa, /**< separator */
304  SCIP_SET* set /**< global SCIP settings */
305  )
306 {
307  assert(sepa != NULL);
308  assert(set != NULL);
309 
310  if( !sepa->initialized )
311  {
312  SCIPerrorMessage("separator <%s> not initialized\n", sepa->name);
313  return SCIP_INVALIDCALL;
314  }
315 
316  if( sepa->sepaexit != NULL )
317  {
318  /* start timing */
319  SCIPclockStart(sepa->setuptime, set);
320 
321  SCIP_CALL( sepa->sepaexit(set->scip, sepa) );
322 
323  /* stop timing */
324  SCIPclockStop(sepa->setuptime, set);
325  }
326  sepa->initialized = FALSE;
327 
328  return SCIP_OKAY;
329 }
330 
331 /** informs separator that the branch and bound process is being started */
333  SCIP_SEPA* sepa, /**< separator */
334  SCIP_SET* set /**< global SCIP settings */
335  )
336 {
337  assert(sepa != NULL);
338  assert(set != NULL);
339 
340  sepa->lpwasdelayed = FALSE;
341  sepa->solwasdelayed = FALSE;
342 
343  /* call solving process initialization method of separator */
344  if( sepa->sepainitsol != NULL )
345  {
346  /* start timing */
347  SCIPclockStart(sepa->setuptime, set);
348 
349  SCIP_CALL( sepa->sepainitsol(set->scip, sepa) );
350 
351  /* stop timing */
352  SCIPclockStop(sepa->setuptime, set);
353  }
354 
355  return SCIP_OKAY;
356 }
357 
358 /** informs separator that the branch and bound process data is being freed */
360  SCIP_SEPA* sepa, /**< separator */
361  SCIP_SET* set /**< global SCIP settings */
362  )
363 {
364  assert(sepa != NULL);
365  assert(set != NULL);
366 
367  /* call solving process deinitialization method of separator */
368  if( sepa->sepaexitsol != NULL )
369  {
370  /* start timing */
371  SCIPclockStart(sepa->setuptime, set);
372 
373  SCIP_CALL( sepa->sepaexitsol(set->scip, sepa) );
374 
375  /* stop timing */
376  SCIPclockStop(sepa->setuptime, set);
377  }
378 
379  return SCIP_OKAY;
380 }
381 
382 /** calls LP separation method of separator */
384  SCIP_SEPA* sepa, /**< separator */
385  SCIP_SET* set, /**< global SCIP settings */
386  SCIP_STAT* stat, /**< dynamic problem statistics */
387  SCIP_SEPASTORE* sepastore, /**< separation storage */
388  int depth, /**< depth of current node */
389  SCIP_Real bounddist, /**< current relative distance of local dual bound to global dual bound */
390  SCIP_Bool allowlocal, /**< should the separator be asked to separate local cuts */
391  SCIP_Bool execdelayed, /**< execute separator even if it is marked to be delayed */
392  SCIP_RESULT* result /**< pointer to store the result of the callback method */
393  )
394 {
395  assert(sepa != NULL);
396  assert(sepa->freq >= -1);
397  assert(0.0 <= sepa->maxbounddist && sepa->maxbounddist <= 1.0);
398  assert(0.0 <= bounddist && bounddist <= 1.0);
399  assert(set != NULL);
400  assert(set->scip != NULL);
401  assert(stat != NULL);
402  assert(depth >= 0);
403  assert(result != NULL);
404 
405  if( sepa->sepaexeclp != NULL && SCIPsetIsLE(set, bounddist, sepa->maxbounddist) &&
406  ( (depth == 0 && sepa->freq != -1) ||
407  (sepa->freq > 0 && depth % sepa->freq == 0 &&
408  (sepa->expbackoff == 1 || SCIPsetIsIntegral(set, LOG2(depth * (1.0 / sepa->freq)) / LOG2((SCIP_Real)sepa->expbackoff)))) ||
409  sepa->lpwasdelayed )
410  )
411  {
412  if( (!sepa->delay && !sepa->lpwasdelayed) || execdelayed )
413  {
414  SCIP_CUTPOOL* cutpool;
415  SCIP_CUTPOOL* delayedcutpool;
416  SCIP_Longint oldndomchgs;
417  SCIP_Longint oldnprobdomchgs;
418  int oldncuts;
419  int oldnactiveconss;
420  int ncutsfound;
421 
422  SCIPsetDebugMsg(set, "executing separator <%s> on LP solution\n", sepa->name);
423 
424  cutpool = SCIPgetGlobalCutpool(set->scip);
425  delayedcutpool = SCIPgetDelayedGlobalCutpool(set->scip);
426  oldndomchgs = stat->nboundchgs + stat->nholechgs;
427  oldnprobdomchgs = stat->nprobboundchgs + stat->nprobholechgs;
428  oldncuts = SCIPsepastoreGetNCuts(sepastore) + SCIPcutpoolGetNCuts(cutpool) + SCIPcutpoolGetNCuts(delayedcutpool);
429  oldnactiveconss = stat->nactiveconss;
430 
431  /* reset the statistics for current node */
432  if( sepa->lastsepanode != stat->ntotalnodes )
433  {
434  sepa->ncallsatnode = 0;
435  sepa->ncutsfoundatnode = 0;
436  }
437 
438  /* start timing */
439  SCIPclockStart(sepa->sepaclock, set);
440 
441  /* call external separation method */
442  SCIP_CALL( sepa->sepaexeclp(set->scip, sepa, result, allowlocal) );
443 
444  /* stop timing */
445  SCIPclockStop(sepa->sepaclock, set);
446 
447  /* update statistics */
448  if( *result != SCIP_DIDNOTRUN && *result != SCIP_DELAYED )
449  {
450  sepa->ncalls++;
451  sepa->ncallsatnode++;
452  sepa->lastsepanode = stat->ntotalnodes;
453  }
454  if( *result == SCIP_CUTOFF )
455  sepa->ncutoffs++;
456 
457  ncutsfound = SCIPsepastoreGetNCuts(sepastore) + SCIPcutpoolGetNCuts(cutpool) +
458  SCIPcutpoolGetNCuts(delayedcutpool) - oldncuts;
459 
460  sepa->ncutsfound += ncutsfound;
461  sepa->ncutsfoundatnode += ncutsfound;
462  sepa->nconssfound += MAX(stat->nactiveconss - oldnactiveconss, 0); /*lint !e776*/
463 
464  /* update domain reductions; therefore remove the domain
465  * reduction counts which were generated in probing mode */
466  sepa->ndomredsfound += stat->nboundchgs + stat->nholechgs - oldndomchgs;
467  sepa->ndomredsfound -= (stat->nprobboundchgs + stat->nprobholechgs - oldnprobdomchgs);
468 
469  /* evaluate result */
470  if( *result != SCIP_CUTOFF
471  && *result != SCIP_CONSADDED
472  && *result != SCIP_REDUCEDDOM
473  && *result != SCIP_SEPARATED
474  && *result != SCIP_NEWROUND
475  && *result != SCIP_DIDNOTFIND
476  && *result != SCIP_DIDNOTRUN
477  && *result != SCIP_DELAYED )
478  {
479  SCIPerrorMessage("execution method of separator <%s> returned invalid result <%d>\n",
480  sepa->name, *result);
481  return SCIP_INVALIDRESULT;
482  }
483  }
484  else
485  {
486  SCIPsetDebugMsg(set, "separator <%s> was delayed\n", sepa->name);
487  *result = SCIP_DELAYED;
488  }
489 
490  /* remember whether separator was delayed */
491  sepa->lpwasdelayed = (*result == SCIP_DELAYED);
492  }
493  else
494  *result = SCIP_DIDNOTRUN;
495 
496  return SCIP_OKAY;
497 }
498 
499 /** calls primal solution separation method of separator */
501  SCIP_SEPA* sepa, /**< separator */
502  SCIP_SET* set, /**< global SCIP settings */
503  SCIP_STAT* stat, /**< dynamic problem statistics */
504  SCIP_SEPASTORE* sepastore, /**< separation storage */
505  SCIP_SOL* sol, /**< primal solution that should be separated */
506  int depth, /**< depth of current node */
507  SCIP_Bool allowlocal, /**< should the separator allow local cuts */
508  SCIP_Bool execdelayed, /**< execute separator even if it is marked to be delayed */
509  SCIP_RESULT* result /**< pointer to store the result of the callback method */
510  )
511 {
512  assert(sepa != NULL);
513  assert(sepa->freq >= -1);
514  assert(set != NULL);
515  assert(set->scip != NULL);
516  assert(stat != NULL);
517  assert(depth >= 0);
518  assert(result != NULL);
519 
520  if( sepa->sepaexecsol != NULL &&
521  ( (depth == 0 && sepa->freq != -1) ||
522  (sepa->freq > 0 && depth % sepa->freq == 0 &&
523  (sepa->expbackoff == 1 || SCIPsetIsIntegral(set, LOG2(depth * (1.0 / sepa->freq) / LOG2((SCIP_Real)sepa->expbackoff))))) ||
524  sepa->solwasdelayed )
525  )
526  {
527  if( (!sepa->delay && !sepa->solwasdelayed) || execdelayed )
528  {
529  SCIP_Longint oldndomchgs;
530  SCIP_Longint oldnprobdomchgs;
531  int oldncuts;
532  int oldnactiveconss;
533  int ncutsfound;
534 
535  SCIPsetDebugMsg(set, "executing separator <%s> on solution %p\n", sepa->name, (void*)sol);
536 
537  oldndomchgs = stat->nboundchgs + stat->nholechgs;
538  oldnprobdomchgs = stat->nprobboundchgs + stat->nprobholechgs;
539  oldncuts = SCIPsepastoreGetNCuts(sepastore);
540  oldnactiveconss = stat->nactiveconss;
541 
542  /* reset the statistics for current node */
543  if( sepa->lastsepanode != stat->ntotalnodes )
544  {
545  sepa->ncallsatnode = 0;
546  sepa->ncutsfoundatnode = 0;
547  }
548 
549  /* start timing */
550  SCIPclockStart(sepa->sepaclock, set);
551 
552  /* call external separation method */
553  SCIP_CALL( sepa->sepaexecsol(set->scip, sepa, sol, result, allowlocal) );
554 
555  /* stop timing */
556  SCIPclockStop(sepa->sepaclock, set);
557 
558  /* update statistics */
559  if( *result != SCIP_DIDNOTRUN && *result != SCIP_DELAYED )
560  {
561  sepa->ncalls++;
562  sepa->ncallsatnode++;
563  sepa->lastsepanode = stat->ntotalnodes;
564  }
565  if( *result == SCIP_CUTOFF )
566  sepa->ncutoffs++;
567  ncutsfound = SCIPsepastoreGetNCuts(sepastore) - oldncuts;
568  sepa->ncutsfound += ncutsfound;
569  sepa->ncutsfoundatnode += ncutsfound;
570  sepa->nconssfound += MAX(stat->nactiveconss - oldnactiveconss, 0); /*lint !e776*/
571 
572  /* update domain reductions; therefore remove the domain
573  * reduction counts which were generated in probing mode */
574  sepa->ndomredsfound += stat->nboundchgs + stat->nholechgs - oldndomchgs;
575  sepa->ndomredsfound -= (stat->nprobboundchgs + stat->nprobholechgs - oldnprobdomchgs);
576 
577  /* evaluate result */
578  if( *result != SCIP_CUTOFF
579  && *result != SCIP_CONSADDED
580  && *result != SCIP_REDUCEDDOM
581  && *result != SCIP_SEPARATED
582  && *result != SCIP_NEWROUND
583  && *result != SCIP_DIDNOTFIND
584  && *result != SCIP_DIDNOTRUN
585  && *result != SCIP_DELAYED )
586  {
587  SCIPerrorMessage("execution method of separator <%s> returned invalid result <%d>\n",
588  sepa->name, *result);
589  return SCIP_INVALIDRESULT;
590  }
591  }
592  else
593  {
594  SCIPsetDebugMsg(set, "separator <%s> was delayed\n", sepa->name);
595  *result = SCIP_DELAYED;
596  }
597 
598  /* remember whether separator was delayed */
599  sepa->solwasdelayed = (*result == SCIP_DELAYED);
600  }
601  else
602  *result = SCIP_DIDNOTRUN;
603 
604  return SCIP_OKAY;
605 }
606 
607 /** gets user data of separator */
609  SCIP_SEPA* sepa /**< separator */
610  )
611 {
612  assert(sepa != NULL);
613 
614  return sepa->sepadata;
615 }
616 
617 /** sets user data of separator; user has to free old data in advance! */
619  SCIP_SEPA* sepa, /**< separator */
620  SCIP_SEPADATA* sepadata /**< new separator user data */
621  )
622 {
623  assert(sepa != NULL);
624 
625  sepa->sepadata = sepadata;
626 }
627 
628 /* new callback/method setter methods */
629 
630 /** sets copy method of separator */
632  SCIP_SEPA* sepa, /**< separator */
633  SCIP_DECL_SEPACOPY ((*sepacopy)) /**< copy method of separator or NULL if you don't want to copy your plugin into sub-SCIPs */
634  )
635 {
636  assert(sepa != NULL);
637 
638  sepa->sepacopy = sepacopy;
639 }
640 
641 /** sets destructor method of separator */
643  SCIP_SEPA* sepa, /**< separator */
644  SCIP_DECL_SEPAFREE ((*sepafree)) /**< destructor of separator */
645  )
646 {
647  assert(sepa != NULL);
648 
649  sepa->sepafree = sepafree;
650 }
651 
652 /** sets initialization method of separator */
654  SCIP_SEPA* sepa, /**< separator */
655  SCIP_DECL_SEPAINIT ((*sepainit)) /**< initialize separator */
656  )
657 {
658  assert(sepa != NULL);
659 
660  sepa->sepainit = sepainit;
661 }
662 
663 /** sets deinitialization method of separator */
665  SCIP_SEPA* sepa, /**< separator */
666  SCIP_DECL_SEPAEXIT ((*sepaexit)) /**< deinitialize separator */
667  )
668 {
669  assert(sepa != NULL);
670 
671  sepa->sepaexit = sepaexit;
672 }
673 
674 /** sets solving process initialization method of separator */
676  SCIP_SEPA* sepa, /**< separator */
677  SCIP_DECL_SEPAINITSOL ((*sepainitsol)) /**< solving process initialization method of separator */
678  )
679 {
680  assert(sepa != NULL);
681 
682  sepa->sepainitsol = sepainitsol;
683 }
684 
685 /** sets solving process deinitialization method of separator */
687  SCIP_SEPA* sepa, /**< separator */
688  SCIP_DECL_SEPAEXITSOL ((*sepaexitsol)) /**< solving process deinitialization method of separator */
689  )
690 {
691  assert(sepa != NULL);
692 
693  sepa->sepaexitsol = sepaexitsol;
694 }
695 
696 /** gets name of separator */
697 const char* SCIPsepaGetName(
698  SCIP_SEPA* sepa /**< separator */
699  )
700 {
701  assert(sepa != NULL);
702 
703  return sepa->name;
704 }
705 
706 /** gets description of separator */
707 const char* SCIPsepaGetDesc(
708  SCIP_SEPA* sepa /**< separator */
709  )
710 {
711  assert(sepa != NULL);
712 
713  return sepa->desc;
714 }
715 
716 /** gets priority of separator */
718  SCIP_SEPA* sepa /**< separator */
719  )
720 {
721  assert(sepa != NULL);
722 
723  return sepa->priority;
724 }
725 
726 /** sets priority of separator */
728  SCIP_SEPA* sepa, /**< separator */
729  SCIP_SET* set, /**< global SCIP settings */
730  int priority /**< new priority of the separator */
731  )
732 {
733  assert(sepa != NULL);
734  assert(set != NULL);
735 
736  sepa->priority = priority;
737  set->sepassorted = FALSE;
738 }
739 
740 /** gets frequency of separator */
742  SCIP_SEPA* sepa /**< separator */
743  )
744 {
745  assert(sepa != NULL);
746 
747  return sepa->freq;
748 }
749 
750 /** sets frequency of separator */
752  SCIP_SEPA* sepa, /**< separator */
753  int freq /**< new frequency of separator */
754  )
755 {
756  assert(sepa != NULL);
757 
758  sepa->freq = freq;
759 }
760 
761 /** get maximal bound distance at which the separator is called */
763  SCIP_SEPA* sepa /**< separator */
764  )
765 {
766  assert(sepa != NULL);
767 
768  return sepa->maxbounddist;
769 }
770 
771 /** does the separator use a secondary SCIP instance? */
773  SCIP_SEPA* sepa /**< separator */
774  )
775 {
776  assert(sepa != NULL);
777 
778  return sepa->usessubscip;
779 }
780 
781 /** enables or disables all clocks of \p sepa, depending on the value of the flag */
783  SCIP_SEPA* sepa, /**< the separator for which all clocks should be enabled or disabled */
784  SCIP_Bool enable /**< should the clocks of the separator be enabled? */
785  )
786 {
787  assert(sepa != NULL);
788 
789  SCIPclockEnableOrDisable(sepa->setuptime, enable);
790  SCIPclockEnableOrDisable(sepa->sepaclock, enable);
791 }
792 
793 /** gets time in seconds used in this separator for setting up for next stages */
795  SCIP_SEPA* sepa /**< separator */
796  )
797 {
798  assert(sepa != NULL);
799 
800  return SCIPclockGetTime(sepa->setuptime);
801 }
802 
803 /** gets time in seconds used in this separator */
805  SCIP_SEPA* sepa /**< separator */
806  )
807 {
808  assert(sepa != NULL);
809 
810  return SCIPclockGetTime(sepa->sepaclock);
811 }
812 
813 /** gets the total number of times, the separator was called */
815  SCIP_SEPA* sepa /**< separator */
816  )
817 {
818  assert(sepa != NULL);
819 
820  return sepa->ncalls;
821 }
822 
823 /** gets the number of times, the separator was called at the current node */
825  SCIP_SEPA* sepa /**< separator */
826  )
827 {
828  assert(sepa != NULL);
829 
830  return sepa->ncallsatnode;
831 }
832 
833 /** gets total number of times, the separator detected a cutoff */
835  SCIP_SEPA* sepa /**< separator */
836  )
837 {
838  assert(sepa != NULL);
839 
840  return sepa->ncutoffs;
841 }
842 
843 /** gets the total number of cutting planes found by this separator */
845  SCIP_SEPA* sepa /**< separator */
846  )
847 {
848  assert(sepa != NULL);
849 
850  return sepa->ncutsfound;
851 }
852 
853 /** gets the total number of cutting planes applied to lp */
855  SCIP_SEPA* sepa /**< separator */
856  )
857 {
858  assert(sepa != NULL);
859 
860  return sepa->ncutsapplied;
861 }
862 
863 /** increase count of applied cuts */
865  SCIP_SEPA* sepa /**< separator */
866  )
867 {
868  assert( sepa != NULL );
869 
870  ++sepa->ncutsapplied;
871 }
872 
873 /** increase count of found cuts */
875  SCIP_SEPA* sepa /**< separator */
876  )
877 {
878  assert( sepa != NULL );
879 
880  ++sepa->ncutsfound;
881 }
882 
883 /** increase count of found cuts at current node */
885  SCIP_SEPA* sepa /**< separator */
886  )
887 {
888  assert( sepa != NULL );
889 
890  ++sepa->ncutsfoundatnode;
891 }
892 
893 /** gets the number of cutting planes found by this separator at the current node */
895  SCIP_SEPA* sepa /**< separator */
896  )
897 {
898  assert(sepa != NULL);
899 
900  return sepa->ncutsfoundatnode;
901 }
902 
903 /** gets total number of additional constraints added by this separator */
905  SCIP_SEPA* sepa /**< separator */
906  )
907 {
908  assert(sepa != NULL);
909 
910  return sepa->nconssfound;
911 }
912 
913 /** gets total number of domain reductions found by this separator */
915  SCIP_SEPA* sepa /**< separator */
916  )
917 {
918  assert(sepa != NULL);
919 
920  return sepa->ndomredsfound;
921 }
922 
923 /** should separator be delayed, if other separators found cuts? */
925  SCIP_SEPA* sepa /**< separator */
926  )
927 {
928  assert(sepa != NULL);
929 
930  return sepa->delay;
931 }
932 
933 /** was separation of the LP solution delayed at the last call? */
935  SCIP_SEPA* sepa /**< separator */
936  )
937 {
938  assert(sepa != NULL);
939 
940  return sepa->lpwasdelayed;
941 }
942 
943 /** was separation of the primal solution delayed at the last call? */
945  SCIP_SEPA* sepa /**< separator */
946  )
947 {
948  assert(sepa != NULL);
949 
950  return sepa->solwasdelayed;
951 }
952 
953 /** is separator initialized? */
955  SCIP_SEPA* sepa /**< separator */
956  )
957 {
958  assert(sepa != NULL);
959 
960  return sepa->initialized;
961 }
enum SCIP_Result SCIP_RESULT
Definition: type_result.h:52
SCIP_Bool solwasdelayed
Definition: struct_sepa.h:69
void SCIPsepaSetFree(SCIP_SEPA *sepa, SCIP_DECL_SEPAFREE((*sepafree)))
Definition: sepa.c:642
SCIP_Real SCIPsepaGetSetupTime(SCIP_SEPA *sepa)
Definition: sepa.c:794
internal methods for separators
SCIP_Bool usessubscip
Definition: struct_sepa.h:66
int SCIPsepaGetFreq(SCIP_SEPA *sepa)
Definition: sepa.c:741
SCIP_SEPADATA * sepadata
Definition: struct_sepa.h:58
SCIP_Bool SCIPsetIsLE(SCIP_SET *set, SCIP_Real val1, SCIP_Real val2)
Definition: set.c:6038
void SCIPsepaEnableOrDisableClocks(SCIP_SEPA *sepa, SCIP_Bool enable)
Definition: sepa.c:782
SCIP_CLOCK * setuptime
Definition: struct_sepa.h:59
#define BMSfreeMemoryArrayNull(ptr)
Definition: memory.h:140
void SCIPsepaSetFreq(SCIP_SEPA *sepa, int freq)
Definition: sepa.c:751
SCIP_Real SCIPsepaGetTime(SCIP_SEPA *sepa)
Definition: sepa.c:804
SCIP_RETCODE SCIPsepaCopyInclude(SCIP_SEPA *sepa, SCIP_SET *set)
Definition: sepa.c:70
SCIP_DECL_SORTPTRCOMP(SCIPsepaComp)
Definition: sepa.c:43
SCIP_PARAMDATA * SCIPparamGetData(SCIP_PARAM *param)
Definition: paramset.c:670
SCIP_CLOCK * sepaclock
Definition: struct_sepa.h:60
void SCIPsepaIncNAppliedCuts(SCIP_SEPA *sepa)
Definition: sepa.c:864
#define SCIP_MAXSTRLEN
Definition: def.h:273
internal methods for clocks and timing issues
SCIP_Longint ntotalnodes
Definition: struct_stat.h:78
char * name
Definition: struct_sepa.h:48
struct SCIP_ParamData SCIP_PARAMDATA
Definition: type_paramset.h:77
#define SCIP_CALL_FINALLY(x, y)
Definition: def.h:406
SCIP_Longint SCIPsepaGetNCutsFound(SCIP_SEPA *sepa)
Definition: sepa.c:844
SCIP_Bool SCIPsepaUsesSubscip(SCIP_SEPA *sepa)
Definition: sepa.c:772
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:500
SCIP_Longint nholechgs
Definition: struct_stat.h:107
void SCIPclockStop(SCIP_CLOCK *clck, SCIP_SET *set)
Definition: clock.c:351
#define FALSE
Definition: def.h:73
int SCIPsepaGetPriority(SCIP_SEPA *sepa)
Definition: sepa.c:717
SCIP_Longint SCIPsepaGetNCutsFoundAtNode(SCIP_SEPA *sepa)
Definition: sepa.c:894
void SCIPclockStart(SCIP_CLOCK *clck, SCIP_SET *set)
Definition: clock.c:281
SCIP_Real maxbounddist
Definition: struct_sepa.h:46
#define TRUE
Definition: def.h:72
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:54
SCIP_Bool initialized
Definition: struct_sepa.h:70
SCIP_Longint ncutsfound
Definition: struct_sepa.h:42
void SCIPsepaSetExit(SCIP_SEPA *sepa, SCIP_DECL_SEPAEXIT((*sepaexit)))
Definition: sepa.c:664
void SCIPsepaIncNCutsFoundAtNode(SCIP_SEPA *sepa)
Definition: sepa.c:884
int ncallsatnode
Definition: struct_sepa.h:63
SCIP_RETCODE SCIPsetSepaPriority(SCIP *scip, SCIP_SEPA *sepa, int priority)
Definition: scip_sepa.c:275
SCIP_RETCODE SCIPsepaFree(SCIP_SEPA **sepa, SCIP_SET *set)
Definition: sepa.c:227
#define SCIP_DECL_SEPAEXECLP(x)
Definition: type_sepa.h:121
int SCIPcutpoolGetNCuts(SCIP_CUTPOOL *cutpool)
Definition: cutpool.c:1052
internal methods for handling parameter settings
SCIP_Bool SCIPsepaIsInitialized(SCIP_SEPA *sepa)
Definition: sepa.c:954
void SCIPclockEnableOrDisable(SCIP_CLOCK *clck, SCIP_Bool enable)
Definition: clock.c:251
#define BMSfreeMemory(ptr)
Definition: memory.h:137
Definition: heur_padm.c:125
SCIP_RETCODE SCIPsepaInit(SCIP_SEPA *sepa, SCIP_SET *set)
Definition: sepa.c:254
#define SCIP_DECL_SEPACOPY(x)
Definition: type_sepa.h:52
SCIP_CUTPOOL * SCIPgetDelayedGlobalCutpool(SCIP *scip)
Definition: scip_cut.c:681
SCIP_RETCODE SCIPsepaInitsol(SCIP_SEPA *sepa, SCIP_SET *set)
Definition: sepa.c:332
SCIP_CUTPOOL * SCIPgetGlobalCutpool(SCIP *scip)
Definition: scip_cut.c:409
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:383
SCIP_Longint nconssfound
Definition: struct_sepa.h:44
#define SCIPerrorMessage
Definition: pub_message.h:55
SCIP_Longint lastsepanode
Definition: struct_sepa.h:39
SCIP_Bool lpwasdelayed
Definition: struct_sepa.h:68
SCIP_Longint ncalls
Definition: struct_sepa.h:40
void SCIPclockReset(SCIP_CLOCK *clck)
Definition: clock.c:200
static SCIP_DECL_PARAMCHGD(paramChgdSepaPriority)
Definition: sepa.c:56
SCIP_Bool SCIPsepaIsDelayed(SCIP_SEPA *sepa)
Definition: sepa.c:924
SCIP_Bool SCIPsepaWasSolDelayed(SCIP_SEPA *sepa)
Definition: sepa.c:944
int SCIPsepastoreGetNCuts(SCIP_SEPASTORE *sepastore)
Definition: sepastore.c:1091
SCIP_Real SCIPclockGetTime(SCIP_CLOCK *clck)
Definition: clock.c:429
#define NULL
Definition: lpi_spx1.cpp:155
int ncutsfoundatnode
Definition: struct_sepa.h:64
void SCIPsepaSetExitsol(SCIP_SEPA *sepa, SCIP_DECL_SEPAEXITSOL((*sepaexitsol)))
Definition: sepa.c:686
internal methods for global SCIP settings
#define SCIP_CALL(x)
Definition: def.h:364
SCIP_SEPADATA * SCIPsepaGetData(SCIP_SEPA *sepa)
Definition: sepa.c:608
const char * SCIPsepaGetName(SCIP_SEPA *sepa)
Definition: sepa.c:697
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:2949
internal methods for storing separated cuts
#define BMSduplicateMemoryArray(ptr, source, num)
Definition: memory.h:135
SCIP_Longint nprobboundchgs
Definition: struct_stat.h:108
SCIP_RETCODE SCIPclockCreate(SCIP_CLOCK **clck, SCIP_CLOCKTYPE clocktype)
Definition: clock.c:161
void SCIPsepaSetCopy(SCIP_SEPA *sepa, SCIP_DECL_SEPACOPY((*sepacopy)))
Definition: sepa.c:631
SCIP_Real SCIPsepaGetMaxbounddist(SCIP_SEPA *sepa)
Definition: sepa.c:762
SCIP_Longint SCIPsepaGetNCutsApplied(SCIP_SEPA *sepa)
Definition: sepa.c:854
SCIP_Bool SCIPsetIsIntegral(SCIP_SET *set, SCIP_Real val)
Definition: set.c:6125
public data structures and miscellaneous methods
void SCIPsepaSetInitsol(SCIP_SEPA *sepa, SCIP_DECL_SEPAINITSOL((*sepainitsol)))
Definition: sepa.c:675
#define SCIP_Bool
Definition: def.h:70
#define SCIP_DECL_SEPAINIT(x)
Definition: type_sepa.h:68
static const char * paramname[]
Definition: lpi_msk.c:4958
void SCIPclockFree(SCIP_CLOCK **clck)
Definition: clock.c:176
#define MAX(x, y)
Definition: tclique_def.h:83
#define SCIPsetDebugMsg
Definition: set.h:1721
SCIP_Longint ncutoffs
Definition: struct_sepa.h:41
#define SCIP_DECL_SEPAEXITSOL(x)
Definition: type_sepa.h:98
#define SCIP_DECL_SEPAEXECSOL(x)
Definition: type_sepa.h:145
#define BMSclearMemory(ptr)
Definition: memory.h:121
SCIP_Bool delay
Definition: struct_sepa.h:67
#define SCIP_MAXTREEDEPTH
Definition: def.h:300
SCIP_Longint SCIPsepaGetNDomredsFound(SCIP_SEPA *sepa)
Definition: sepa.c:914
int SCIPparamGetInt(SCIP_PARAM *param)
Definition: paramset.c:725
SCIP_Bool SCIPsepaWasLPDelayed(SCIP_SEPA *sepa)
Definition: sepa.c:934
void SCIPsepaSetPriority(SCIP_SEPA *sepa, SCIP_SET *set, int priority)
Definition: sepa.c:727
SCIP_Longint SCIPsepaGetNConssFound(SCIP_SEPA *sepa)
Definition: sepa.c:904
int nactiveconss
Definition: struct_stat.h:227
SCIP_Longint SCIPsepaGetNCutoffs(SCIP_SEPA *sepa)
Definition: sepa.c:834
SCIP_RETCODE SCIPsepaExit(SCIP_SEPA *sepa, SCIP_SET *set)
Definition: sepa.c:302
#define SCIP_DECL_SEPAEXIT(x)
Definition: type_sepa.h:76
#define SCIP_DECL_SEPAINITSOL(x)
Definition: type_sepa.h:87
public methods for message output
SCIP_Longint ncutsapplied
Definition: struct_sepa.h:43
int SCIPsnprintf(char *t, int len, const char *s,...)
Definition: misc.c:10590
SCIP_Longint ndomredsfound
Definition: struct_sepa.h:45
SCIP_Longint nboundchgs
Definition: struct_stat.h:106
#define SCIP_Real
Definition: def.h:163
internal methods for problem statistics
datastructures for separators
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:89
#define BMSallocMemory(ptr)
Definition: memory.h:111
void SCIPsepaIncNCutsFound(SCIP_SEPA *sepa)
Definition: sepa.c:874
#define SCIP_Longint
Definition: def.h:148
int priority
Definition: struct_sepa.h:61
void SCIPsepaSetInit(SCIP_SEPA *sepa, SCIP_DECL_SEPAINIT((*sepainit)))
Definition: sepa.c:653
void SCIPsepaSetData(SCIP_SEPA *sepa, SCIP_SEPADATA *sepadata)
Definition: sepa.c:618
const char * SCIPsepaGetDesc(SCIP_SEPA *sepa)
Definition: sepa.c:707
common defines and data types used in all packages of SCIP
SCIP_Longint SCIPsepaGetNCalls(SCIP_SEPA *sepa)
Definition: sepa.c:814
struct BMS_BlkMem BMS_BLKMEM
Definition: memory.h:429
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:2997
#define SCIP_ALLOC(x)
Definition: def.h:375
int expbackoff
Definition: struct_sepa.h:65
SCIP_RETCODE SCIPsepaExitsol(SCIP_SEPA *sepa, SCIP_SET *set)
Definition: sepa.c:359
int SCIPsepaGetNCallsAtNode(SCIP_SEPA *sepa)
Definition: sepa.c:824
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:2927
SCIP_Longint nprobholechgs
Definition: struct_stat.h:109
#define SCIP_DECL_SEPAFREE(x)
Definition: type_sepa.h:60
struct SCIP_SepaData SCIP_SEPADATA
Definition: type_sepa.h:43
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:188
SCIP callable library.
char * desc
Definition: struct_sepa.h:49