Scippy

SCIP

Solving Constraint Integer Programs

scip_event.c
Go to the documentation of this file.
1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2 /* */
3 /* This file is part of the program and library */
4 /* SCIP --- Solving Constraint Integer Programs */
5 /* */
6 /* Copyright (c) 2002-2024 Zuse Institute Berlin (ZIB) */
7 /* */
8 /* Licensed under the Apache License, Version 2.0 (the "License"); */
9 /* you may not use this file except in compliance with the License. */
10 /* You may obtain a copy of the License at */
11 /* */
12 /* http://www.apache.org/licenses/LICENSE-2.0 */
13 /* */
14 /* Unless required by applicable law or agreed to in writing, software */
15 /* distributed under the License is distributed on an "AS IS" BASIS, */
16 /* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
17 /* See the License for the specific language governing permissions and */
18 /* limitations under the License. */
19 /* */
20 /* You should have received a copy of the Apache-2.0 license */
21 /* along with SCIP; see the file LICENSE. If not visit scipopt.org. */
22 /* */
23 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24 
25 /**@file scip_event.c
26  * @ingroup OTHER_CFILES
27  * @brief public methods for event handler plugins and event handlers
28  * @author Tobias Achterberg
29  * @author Timo Berthold
30  * @author Gerald Gamrath
31  * @author Leona Gottwald
32  * @author Stefan Heinz
33  * @author Gregor Hendel
34  * @author Thorsten Koch
35  * @author Alexander Martin
36  * @author Marc Pfetsch
37  * @author Michael Winkler
38  * @author Kati Wolter
39  *
40  * @todo check all SCIP_STAGE_* switches, and include the new stages TRANSFORMED and INITSOLVE
41  */
42 
43 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
44 
45 #include "scip/debug.h"
46 #include "scip/event.h"
47 #include "scip/lp.h"
48 #include "scip/pub_message.h"
49 #include "scip/pub_var.h"
50 #include "scip/scip_event.h"
51 #include "scip/set.h"
52 #include "scip/struct_mem.h"
53 #include "scip/struct_scip.h"
54 #include "scip/struct_set.h"
55 #include "scip/var.h"
56 
57 /** creates an event handler and includes it in SCIP
58  *
59  * @note method has all event handler callbacks as arguments and is thus changed every time a new
60  * callback is added in future releases; consider using SCIPincludeEventhdlrBasic() and setter functions
61  * if you seek for a method which is less likely to change in future releases
62  */
64  SCIP* scip, /**< SCIP data structure */
65  const char* name, /**< name of event handler */
66  const char* desc, /**< description of event handler */
67  SCIP_DECL_EVENTCOPY ((*eventcopy)), /**< copy method of event handler or NULL if you don't want to copy your plugin into sub-SCIPs */
68  SCIP_DECL_EVENTFREE ((*eventfree)), /**< destructor of event handler */
69  SCIP_DECL_EVENTINIT ((*eventinit)), /**< initialize event handler */
70  SCIP_DECL_EVENTEXIT ((*eventexit)), /**< deinitialize event handler */
71  SCIP_DECL_EVENTINITSOL((*eventinitsol)), /**< solving process initialization method of event handler */
72  SCIP_DECL_EVENTEXITSOL((*eventexitsol)), /**< solving process deinitialization method of event handler */
73  SCIP_DECL_EVENTDELETE ((*eventdelete)), /**< free specific event data */
74  SCIP_DECL_EVENTEXEC ((*eventexec)), /**< execute event handler */
75  SCIP_EVENTHDLRDATA* eventhdlrdata /**< event handler data */
76  )
77 {
78  SCIP_EVENTHDLR* eventhdlr;
79 
80  SCIP_CALL( SCIPcheckStage(scip, "SCIPincludeEventhdlr", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
81 
82  /* check whether event handler is already present */
83  if( SCIPfindEventhdlr(scip, name) != NULL )
84  {
85  SCIPerrorMessage("event handler <%s> already included.\n", name);
86  return SCIP_INVALIDDATA;
87  }
88 
89  SCIP_CALL( SCIPeventhdlrCreate(&eventhdlr, scip->set, name, desc,
90  eventcopy, eventfree, eventinit, eventexit, eventinitsol, eventexitsol, eventdelete, eventexec,
91  eventhdlrdata) );
92  SCIP_CALL( SCIPsetIncludeEventhdlr(scip->set, eventhdlr) );
93 
94  return SCIP_OKAY;
95 }
96 
97 /** creates an event handler and includes it in SCIP with all its non-fundamental callbacks set
98  * to NULL; if needed, non-fundamental callbacks can be set afterwards via setter functions
99  * SCIPsetEventhdlrCopy(), SCIPsetEventhdlrFree(), SCIPsetEventhdlrInit(), SCIPsetEventhdlrExit(),
100  * SCIPsetEventhdlrInitsol(), SCIPsetEventhdlrExitsol(), and SCIPsetEventhdlrDelete()
101  *
102  * @note if you want to set all callbacks with a single method call, consider using SCIPincludeEventhdlr() instead
103  */
105  SCIP* scip, /**< SCIP data structure */
106  SCIP_EVENTHDLR** eventhdlrptr, /**< reference to an event handler, or NULL */
107  const char* name, /**< name of event handler */
108  const char* desc, /**< description of event handler */
109  SCIP_DECL_EVENTEXEC ((*eventexec)), /**< execute event handler */
110  SCIP_EVENTHDLRDATA* eventhdlrdata /**< event handler data */
111  )
112 {
113  SCIP_EVENTHDLR* eventhdlr;
114 
115  SCIP_CALL( SCIPcheckStage(scip, "SCIPincludeEventhdlrBasic", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
116 
117  /* check whether event handler is already present */
118  if( SCIPfindEventhdlr(scip, name) != NULL )
119  {
120  SCIPerrorMessage("event handler <%s> already included.\n", name);
121  return SCIP_INVALIDDATA;
122  }
123 
124  SCIP_CALL( SCIPeventhdlrCreate(&eventhdlr, scip->set, name, desc,
125  NULL, NULL, NULL, NULL, NULL, NULL, NULL, eventexec,
126  eventhdlrdata) );
127  SCIP_CALL( SCIPsetIncludeEventhdlr(scip->set, eventhdlr) );
128 
129  if( eventhdlrptr != NULL )
130  *eventhdlrptr = eventhdlr;
131 
132  return SCIP_OKAY;
133 }
134 
135 /** sets copy callback of the event handler */
137  SCIP* scip, /**< scip instance */
138  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
139  SCIP_DECL_EVENTCOPY ((*eventcopy)) /**< copy callback of the event handler */
140  )
141 {
142  assert(scip != NULL);
143  SCIP_CALL( SCIPcheckStage(scip, "SCIPsetEventhdlrCopy", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
144 
145  SCIPeventhdlrSetCopy(eventhdlr, eventcopy);
146  return SCIP_OKAY;
147 }
148 
149 /** sets deinitialization callback of the event handler */
151  SCIP* scip, /**< scip instance */
152  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
153  SCIP_DECL_EVENTFREE ((*eventfree)) /**< deinitialization callback of the event handler */
154  )
155 {
156  assert(scip != NULL);
157  SCIP_CALL( SCIPcheckStage(scip, "SCIPsetEventhdlrFree", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
158 
159  SCIPeventhdlrSetFree(eventhdlr, eventfree);
160  return SCIP_OKAY;
161 }
162 
163 /** sets initialization callback of the event handler */
165  SCIP* scip, /**< scip instance */
166  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
167  SCIP_DECL_EVENTINIT ((*eventinit)) /**< initialize event handler */
168  )
169 {
170  assert(scip != NULL);
171  SCIP_CALL( SCIPcheckStage(scip, "SCIPsetEventhdlrInit", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
172 
173  SCIPeventhdlrSetInit(eventhdlr, eventinit);
174  return SCIP_OKAY;
175 }
176 
177 /** sets deinitialization callback of the event handler */
179  SCIP* scip, /**< scip instance */
180  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
181  SCIP_DECL_EVENTEXIT ((*eventexit)) /**< deinitialize event handler */
182  )
183 {
184  assert(scip != NULL);
185  SCIP_CALL( SCIPcheckStage(scip, "SCIPsetEventhdlrExit", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
186 
187  SCIPeventhdlrSetExit(eventhdlr, eventexit);
188  return SCIP_OKAY;
189 }
190 
191 /** sets solving process initialization callback of the event handler */
193  SCIP* scip, /**< scip instance */
194  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
195  SCIP_DECL_EVENTINITSOL((*eventinitsol)) /**< solving process initialization callback of event handler */
196  )
197 {
198  assert(scip != NULL);
199  SCIP_CALL( SCIPcheckStage(scip, "SCIPsetEventhdlrInitsol", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
200 
201  SCIPeventhdlrSetInitsol(eventhdlr, eventinitsol);
202  return SCIP_OKAY;
203 }
204 
205 /** sets solving process deinitialization callback of the event handler */
207  SCIP* scip, /**< scip instance */
208  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
209  SCIP_DECL_EVENTEXITSOL((*eventexitsol)) /**< solving process deinitialization callback of event handler */
210  )
211 {
212  assert(scip != NULL);
213  SCIP_CALL( SCIPcheckStage(scip, "SCIPsetEventhdlrExitsol", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
214 
215  SCIPeventhdlrSetExitsol(eventhdlr, eventexitsol);
216  return SCIP_OKAY;
217 }
218 
219 /** sets callback of the event handler to free specific event data */
221  SCIP* scip, /**< scip instance */
222  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
223  SCIP_DECL_EVENTDELETE ((*eventdelete)) /**< free specific event data */
224  )
225 {
226  assert(scip != NULL);
227  SCIP_CALL( SCIPcheckStage(scip, "SCIPsetEventhdlrDelete", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
228 
229  SCIPeventhdlrSetDelete(eventhdlr, eventdelete);
230  return SCIP_OKAY;
231 }
232 
233 /** returns the event handler of the given name, or NULL if not existing */
235  SCIP* scip, /**< SCIP data structure */
236  const char* name /**< name of event handler */
237  )
238 {
239  assert(scip != NULL);
240  assert(scip->set != NULL);
241  assert(name != NULL);
242 
243  return SCIPsetFindEventhdlr(scip->set, name);
244 }
245 
246 /** returns the array of currently available event handlers */
248  SCIP* scip /**< SCIP data structure */
249  )
250 {
251  assert(scip != NULL);
252  assert(scip->set != NULL);
253 
254  return scip->set->eventhdlrs;
255 }
256 
257 /** returns the number of currently available event handlers */
259  SCIP* scip /**< SCIP data structure */
260  )
261 {
262  assert(scip != NULL);
263  assert(scip->set != NULL);
264 
265  return scip->set->neventhdlrs;
266 }
267 
268 /** catches a global (not variable or row dependent) event
269  *
270  * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
271  * SCIP_Retcode "SCIP_RETCODE" for a complete list of error codes.
272  *
273  * @pre This method can be called if @p scip is in one of the following stages:
274  * - \ref SCIP_STAGE_TRANSFORMING
275  * - \ref SCIP_STAGE_TRANSFORMED
276  * - \ref SCIP_STAGE_INITPRESOLVE
277  * - \ref SCIP_STAGE_PRESOLVING
278  * - \ref SCIP_STAGE_EXITPRESOLVE
279  * - \ref SCIP_STAGE_PRESOLVED
280  * - \ref SCIP_STAGE_INITSOLVE
281  * - \ref SCIP_STAGE_SOLVING
282  * - \ref SCIP_STAGE_SOLVED
283  * - \ref SCIP_STAGE_EXITSOLVE
284  * - \ref SCIP_STAGE_FREETRANS
285  */
287  SCIP* scip, /**< SCIP data structure */
288  SCIP_EVENTTYPE eventtype, /**< event type mask to select events to catch */
289  SCIP_EVENTHDLR* eventhdlr, /**< event handler to process events with */
290  SCIP_EVENTDATA* eventdata, /**< event data to pass to the event handler when processing this event */
291  int* filterpos /**< pointer to store position of event filter entry, or NULL */
292  )
293 {
294  SCIP_CALL( SCIPcheckStage(scip, "SCIPcatchEvent", FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE) );
295 
296  SCIP_CALL( SCIPeventfilterAdd(scip->eventfilter, scip->mem->probmem, scip->set,
297  eventtype, eventhdlr, eventdata, filterpos) );
298 
299  return SCIP_OKAY;
300 }
301 
302 /** drops a global event (stops to track event)
303  *
304  * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
305  * SCIP_Retcode "SCIP_RETCODE" for a complete list of error codes.
306  *
307  * @pre This method can be called if @p scip is in one of the following stages:
308  * - \ref SCIP_STAGE_TRANSFORMING
309  * - \ref SCIP_STAGE_TRANSFORMED
310  * - \ref SCIP_STAGE_INITPRESOLVE
311  * - \ref SCIP_STAGE_PRESOLVING
312  * - \ref SCIP_STAGE_EXITPRESOLVE
313  * - \ref SCIP_STAGE_PRESOLVED
314  * - \ref SCIP_STAGE_INITSOLVE
315  * - \ref SCIP_STAGE_SOLVING
316  * - \ref SCIP_STAGE_SOLVED
317  * - \ref SCIP_STAGE_EXITSOLVE
318  * - \ref SCIP_STAGE_FREETRANS
319  */
321  SCIP* scip, /**< SCIP data structure */
322  SCIP_EVENTTYPE eventtype, /**< event type mask of dropped event */
323  SCIP_EVENTHDLR* eventhdlr, /**< event handler to process events with */
324  SCIP_EVENTDATA* eventdata, /**< event data to pass to the event handler when processing this event */
325  int filterpos /**< position of event filter entry returned by SCIPcatchEvent(), or -1 */
326  )
327 {
328  SCIP_CALL( SCIPcheckStage(scip, "SCIPdropEvent", FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE) );
329 
330  SCIP_CALL( SCIPeventfilterDel(scip->eventfilter, scip->mem->probmem, scip->set,
331  eventtype, eventhdlr, eventdata, filterpos) );
332 
333  return SCIP_OKAY;
334 }
335 
336 /** catches an objective value or domain change event on the given transformed variable
337  *
338  * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
339  * SCIP_Retcode "SCIP_RETCODE" for a complete list of error codes.
340  *
341  * @pre This method can be called if @p scip is in one of the following stages:
342  * - \ref SCIP_STAGE_TRANSFORMING
343  * - \ref SCIP_STAGE_TRANSFORMED
344  * - \ref SCIP_STAGE_INITPRESOLVE
345  * - \ref SCIP_STAGE_PRESOLVING
346  * - \ref SCIP_STAGE_EXITPRESOLVE
347  * - \ref SCIP_STAGE_PRESOLVED
348  * - \ref SCIP_STAGE_INITSOLVE
349  * - \ref SCIP_STAGE_SOLVING
350  * - \ref SCIP_STAGE_SOLVED
351  * - \ref SCIP_STAGE_EXITSOLVE
352  * - \ref SCIP_STAGE_FREETRANS
353  */
355  SCIP* scip, /**< SCIP data structure */
356  SCIP_VAR* var, /**< transformed variable to catch event for */
357  SCIP_EVENTTYPE eventtype, /**< event type mask to select events to catch */
358  SCIP_EVENTHDLR* eventhdlr, /**< event handler to process events with */
359  SCIP_EVENTDATA* eventdata, /**< event data to pass to the event handler when processing this event */
360  int* filterpos /**< pointer to store position of event filter entry, or NULL */
361  )
362 {
363  SCIP_CALL( SCIPcheckStage(scip, "SCIPcatchVarEvent", FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE) );
364 
365  if( (eventtype & SCIP_EVENTTYPE_VARCHANGED) == 0 )
366  {
367  SCIPerrorMessage("event does not operate on a single variable\n");
368  return SCIP_INVALIDDATA;
369  }
370 
371  if( SCIPvarIsOriginal(var) )
372  {
373  SCIPerrorMessage("cannot catch events on original variable <%s>\n", SCIPvarGetName(var));
374  return SCIP_INVALIDDATA;
375  }
376 
377  SCIP_CALL( SCIPvarCatchEvent(var, scip->mem->probmem, scip->set, eventtype, eventhdlr, eventdata, filterpos) );
378 
379  return SCIP_OKAY;
380 }
381 
382 /** drops an objective value or domain change event (stops to track event) on the given transformed variable
383  *
384  * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
385  * SCIP_Retcode "SCIP_RETCODE" for a complete list of error codes.
386  *
387  * @pre This method can be called if @p scip is in one of the following stages:
388  * - \ref SCIP_STAGE_TRANSFORMING
389  * - \ref SCIP_STAGE_TRANSFORMED
390  * - \ref SCIP_STAGE_INITPRESOLVE
391  * - \ref SCIP_STAGE_PRESOLVING
392  * - \ref SCIP_STAGE_EXITPRESOLVE
393  * - \ref SCIP_STAGE_PRESOLVED
394  * - \ref SCIP_STAGE_INITSOLVE
395  * - \ref SCIP_STAGE_SOLVING
396  * - \ref SCIP_STAGE_SOLVED
397  * - \ref SCIP_STAGE_EXITSOLVE
398  * - \ref SCIP_STAGE_FREETRANS
399  */
401  SCIP* scip, /**< SCIP data structure */
402  SCIP_VAR* var, /**< transformed variable to drop event for */
403  SCIP_EVENTTYPE eventtype, /**< event type mask of dropped event */
404  SCIP_EVENTHDLR* eventhdlr, /**< event handler to process events with */
405  SCIP_EVENTDATA* eventdata, /**< event data to pass to the event handler when processing this event */
406  int filterpos /**< position of event filter entry returned by SCIPcatchVarEvent(), or -1 */
407  )
408 {
409  SCIP_CALL( SCIPcheckStage(scip, "SCIPdropVarEvent", FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE) );
410 
411  if( SCIPvarIsOriginal(var) )
412  {
413  SCIPerrorMessage("cannot drop events on original variable <%s>\n", SCIPvarGetName(var));
414  return SCIP_INVALIDDATA;
415  }
416 
417  SCIP_CALL( SCIPvarDropEvent(var, scip->mem->probmem, scip->set, eventtype, eventhdlr, eventdata, filterpos) );
418 
419  return SCIP_OKAY;
420 }
421 
422 /** catches a row coefficient, constant, or side change event on the given row
423  *
424  * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
425  * SCIP_Retcode "SCIP_RETCODE" for a complete list of error codes.
426  *
427  * @pre This method can be called if @p scip is in one of the following stages:
428  * - \ref SCIP_STAGE_TRANSFORMING
429  * - \ref SCIP_STAGE_TRANSFORMED
430  * - \ref SCIP_STAGE_INITPRESOLVE
431  * - \ref SCIP_STAGE_PRESOLVING
432  * - \ref SCIP_STAGE_EXITPRESOLVE
433  * - \ref SCIP_STAGE_PRESOLVED
434  * - \ref SCIP_STAGE_INITSOLVE
435  * - \ref SCIP_STAGE_SOLVING
436  * - \ref SCIP_STAGE_SOLVED
437  * - \ref SCIP_STAGE_EXITSOLVE
438  * - \ref SCIP_STAGE_FREETRANS
439  */
441  SCIP* scip, /**< SCIP data structure */
442  SCIP_ROW* row, /**< linear row to catch event for */
443  SCIP_EVENTTYPE eventtype, /**< event type mask to select events to catch */
444  SCIP_EVENTHDLR* eventhdlr, /**< event handler to process events with */
445  SCIP_EVENTDATA* eventdata, /**< event data to pass to the event handler when processing this event */
446  int* filterpos /**< pointer to store position of event filter entry, or NULL */
447  )
448 {
449  SCIP_CALL( SCIPcheckStage(scip, "SCIPcatchRowEvent", FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE) );
450 
451  if( (eventtype & SCIP_EVENTTYPE_ROWCHANGED) == 0 )
452  {
453  SCIPerrorMessage("event does not operate on a single row\n");
454  return SCIP_INVALIDDATA;
455  }
456 
457  SCIP_CALL( SCIProwCatchEvent(row, scip->mem->probmem, scip->set, eventtype, eventhdlr, eventdata, filterpos) );
458 
459  return SCIP_OKAY;
460 }
461 
462 /** drops a row coefficient, constant, or side change event (stops to track event) on the given row
463  *
464  * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
465  * SCIP_Retcode "SCIP_RETCODE" for a complete list of error codes.
466  *
467  * @pre This method can be called if @p scip is in one of the following stages:
468  * - \ref SCIP_STAGE_TRANSFORMING
469  * - \ref SCIP_STAGE_TRANSFORMED
470  * - \ref SCIP_STAGE_INITPRESOLVE
471  * - \ref SCIP_STAGE_PRESOLVING
472  * - \ref SCIP_STAGE_EXITPRESOLVE
473  * - \ref SCIP_STAGE_PRESOLVED
474  * - \ref SCIP_STAGE_INITSOLVE
475  * - \ref SCIP_STAGE_SOLVING
476  * - \ref SCIP_STAGE_SOLVED
477  * - \ref SCIP_STAGE_EXITSOLVE
478  * - \ref SCIP_STAGE_FREETRANS
479  */
481  SCIP* scip, /**< SCIP data structure */
482  SCIP_ROW* row, /**< linear row to drop event for */
483  SCIP_EVENTTYPE eventtype, /**< event type mask of dropped event */
484  SCIP_EVENTHDLR* eventhdlr, /**< event handler to process events with */
485  SCIP_EVENTDATA* eventdata, /**< event data to pass to the event handler when processing this event */
486  int filterpos /**< position of event filter entry returned by SCIPcatchVarEvent(), or -1 */
487  )
488 {
489  SCIP_CALL( SCIPcheckStage(scip, "SCIPdropRowEvent", FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE) );
490 
491  SCIP_CALL( SCIProwDropEvent(row, scip->mem->probmem, scip->set, eventtype, eventhdlr, eventdata, filterpos) );
492 
493  return SCIP_OKAY;
494 }
void SCIPeventhdlrSetInit(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTINIT((*eventinit)))
Definition: event.c:377
void SCIPeventhdlrSetCopy(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTCOPY((*eventcopy)))
Definition: event.c:355
SCIP_RETCODE SCIPsetIncludeEventhdlr(SCIP_SET *set, SCIP_EVENTHDLR *eventhdlr)
Definition: set.c:4799
#define NULL
Definition: def.h:267
internal methods for managing events
SCIP_RETCODE SCIPsetEventhdlrInitsol(SCIP *scip, SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTINITSOL((*eventinitsol)))
Definition: scip_event.c:192
void SCIPeventhdlrSetExitsol(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTEXITSOL((*eventexitsol)))
Definition: event.c:410
SCIP_RETCODE SCIPcatchVarEvent(SCIP *scip, SCIP_VAR *var, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int *filterpos)
Definition: scip_event.c:354
int SCIPgetNEventhdlrs(SCIP *scip)
Definition: scip_event.c:258
SCIP_RETCODE SCIPsetEventhdlrExitsol(SCIP *scip, SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTEXITSOL((*eventexitsol)))
Definition: scip_event.c:206
SCIP_RETCODE SCIPsetEventhdlrExit(SCIP *scip, SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTEXIT((*eventexit)))
Definition: scip_event.c:178
SCIP_EVENTHDLR * SCIPsetFindEventhdlr(SCIP_SET *set, const char *name)
Definition: set.c:4822
SCIP_RETCODE SCIPeventfilterDel(SCIP_EVENTFILTER *eventfilter, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int filterpos)
Definition: event.c:1979
SCIP_RETCODE SCIPincludeEventhdlrBasic(SCIP *scip, SCIP_EVENTHDLR **eventhdlrptr, const char *name, const char *desc, SCIP_DECL_EVENTEXEC((*eventexec)), SCIP_EVENTHDLRDATA *eventhdlrdata)
Definition: scip_event.c:104
SCIP_RETCODE SCIPcatchRowEvent(SCIP *scip, SCIP_ROW *row, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int *filterpos)
Definition: scip_event.c:440
SCIP_DECL_EVENTEXIT(EventhdlrNewSol::scip_exit)
struct SCIP_EventhdlrData SCIP_EVENTHDLRDATA
Definition: type_event.h:155
SCIP_RETCODE SCIPvarCatchEvent(SCIP_VAR *var, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int *filterpos)
Definition: var.c:18559
#define SCIP_EVENTTYPE_ROWCHANGED
Definition: type_event.h:148
#define FALSE
Definition: def.h:94
#define TRUE
Definition: def.h:93
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:63
public methods for problem variables
SCIP_EVENTHDLR * SCIPfindEventhdlr(SCIP *scip, const char *name)
Definition: scip_event.c:234
SCIP_RETCODE SCIPdropRowEvent(SCIP *scip, SCIP_ROW *row, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int filterpos)
Definition: scip_event.c:480
internal methods for LP management
SCIP_DECL_EVENTINITSOL(EventhdlrNewSol::scip_initsol)
int neventhdlrs
Definition: struct_set.h:139
SCIP_DECL_EVENTINIT(EventhdlrNewSol::scip_init)
SCIP_DECL_EVENTFREE(EventhdlrNewSol::scip_free)
SCIP_MEM * mem
Definition: struct_scip.h:72
SCIP_RETCODE SCIProwCatchEvent(SCIP_ROW *row, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int *filterpos)
Definition: lp.c:7833
void SCIPeventhdlrSetInitsol(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTINITSOL((*eventinitsol)))
Definition: event.c:399
SCIP_RETCODE SCIPeventfilterAdd(SCIP_EVENTFILTER *eventfilter, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int *filterpos)
Definition: event.c:1886
#define SCIPerrorMessage
Definition: pub_message.h:64
SCIP_EVENTFILTER * eventfilter
Definition: struct_scip.h:89
SCIP_RETCODE SCIPsetEventhdlrFree(SCIP *scip, SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTFREE((*eventfree)))
Definition: scip_event.c:150
SCIP_RETCODE SCIPsetEventhdlrCopy(SCIP *scip, SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTCOPY((*eventcopy)))
Definition: scip_event.c:136
public methods for event handler plugins and event handlers
SCIP_RETCODE SCIPcheckStage(SCIP *scip, const char *method, SCIP_Bool init, SCIP_Bool problem, SCIP_Bool transforming, SCIP_Bool transformed, SCIP_Bool initpresolve, SCIP_Bool presolving, SCIP_Bool exitpresolve, SCIP_Bool presolved, SCIP_Bool initsolve, SCIP_Bool solving, SCIP_Bool solved, SCIP_Bool exitsolve, SCIP_Bool freetrans, SCIP_Bool freescip)
Definition: debug.c:2208
SCIP_RETCODE SCIPsetEventhdlrInit(SCIP *scip, SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTINIT((*eventinit)))
Definition: scip_event.c:164
struct SCIP_EventData SCIP_EVENTDATA
Definition: type_event.h:173
void SCIPeventhdlrSetExit(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTEXIT((*eventexit)))
Definition: event.c:388
const char * SCIPvarGetName(SCIP_VAR *var)
Definition: var.c:17420
internal methods for global SCIP settings
#define SCIP_CALL(x)
Definition: def.h:380
SCIP main data structure.
internal methods for problem variables
SCIP_Bool SCIPvarIsOriginal(SCIP_VAR *var)
Definition: var.c:17549
SCIP_RETCODE SCIPcatchEvent(SCIP *scip, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int *filterpos)
Definition: scip_event.c:286
void SCIPeventhdlrSetFree(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTFREE((*eventfree)))
Definition: event.c:366
SCIP_RETCODE SCIPincludeEventhdlr(SCIP *scip, const char *name, const char *desc, SCIP_DECL_EVENTCOPY((*eventcopy)), SCIP_DECL_EVENTFREE((*eventfree)), SCIP_DECL_EVENTINIT((*eventinit)), SCIP_DECL_EVENTEXIT((*eventexit)), SCIP_DECL_EVENTINITSOL((*eventinitsol)), SCIP_DECL_EVENTEXITSOL((*eventexitsol)), SCIP_DECL_EVENTDELETE((*eventdelete)), SCIP_DECL_EVENTEXEC((*eventexec)), SCIP_EVENTHDLRDATA *eventhdlrdata)
Definition: scip_event.c:63
methods for debugging
datastructures for block memory pools and memory buffers
SCIP_RETCODE SCIPdropEvent(SCIP *scip, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int filterpos)
Definition: scip_event.c:320
SCIP_RETCODE SCIPdropVarEvent(SCIP *scip, SCIP_VAR *var, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int filterpos)
Definition: scip_event.c:400
SCIP_EVENTHDLR ** SCIPgetEventhdlrs(SCIP *scip)
Definition: scip_event.c:247
SCIP_RETCODE SCIProwDropEvent(SCIP_ROW *row, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int filterpos)
Definition: lp.c:7857
BMS_BLKMEM * probmem
Definition: struct_mem.h:49
SCIP_RETCODE SCIPsetEventhdlrDelete(SCIP *scip, SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTDELETE((*eventdelete)))
Definition: scip_event.c:220
SCIP_SET * set
Definition: struct_scip.h:73
public methods for message output
SCIP_DECL_EVENTEXEC(EventhdlrNewSol::scip_exec)
#define SCIP_EVENTTYPE_VARCHANGED
Definition: type_event.h:130
SCIP_DECL_EVENTEXITSOL(EventhdlrNewSol::scip_exitsol)
#define SCIP_DECL_EVENTCOPY(x)
Definition: type_event.h:183
SCIP_DECL_EVENTDELETE(EventhdlrNewSol::scip_delete)
void SCIPeventhdlrSetDelete(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTDELETE((*eventdelete)))
Definition: event.c:421
SCIP_RETCODE SCIPvarDropEvent(SCIP_VAR *var, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int filterpos)
Definition: var.c:18586
SCIP_RETCODE SCIPeventhdlrCreate(SCIP_EVENTHDLR **eventhdlr, SCIP_SET *set, const char *name, const char *desc, SCIP_DECL_EVENTCOPY((*eventcopy)), SCIP_DECL_EVENTFREE((*eventfree)), SCIP_DECL_EVENTINIT((*eventinit)), SCIP_DECL_EVENTEXIT((*eventexit)), SCIP_DECL_EVENTINITSOL((*eventinitsol)), SCIP_DECL_EVENTEXITSOL((*eventexitsol)), SCIP_DECL_EVENTDELETE((*eventdelete)), SCIP_DECL_EVENTEXEC((*eventexec)), SCIP_EVENTHDLRDATA *eventhdlrdata)
Definition: event.c:123
datastructures for global SCIP settings
SCIP_EVENTHDLR ** eventhdlrs
Definition: struct_set.h:95
uint64_t SCIP_EVENTTYPE
Definition: type_event.h:151