Scippy

SCIP

Solving Constraint Integer Programs

event.h
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 event.h
26  * @brief internal methods for managing events
27  * @author Tobias Achterberg
28  */
29 
30 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
31 
32 #ifndef __SCIP_EVENT_H__
33 #define __SCIP_EVENT_H__
34 
35 
36 #include "scip/def.h"
37 #include "blockmemshell/memory.h"
38 #include "scip/type_retcode.h"
39 #include "scip/type_set.h"
40 #include "scip/type_event.h"
41 #include "scip/type_lp.h"
42 #include "scip/type_var.h"
43 #include "scip/type_sol.h"
44 #include "scip/type_primal.h"
45 #include "scip/type_branch.h"
46 #include "scip/pub_event.h"
47 
48 /* In optimized mode, some function calls are overwritten by defines to reduce the number of function calls and
49  * speed up the algorithms. For this, we need to include struct_event.h.
50  */
51 #ifdef NDEBUG
52 #include "scip/struct_event.h"
53 #endif
54 
55 #ifdef __cplusplus
56 extern "C" {
57 #endif
58 
59 /*
60  * Event handler methods
61  */
62 
63 /** copies the given event handler to a new scip */
65  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
66  SCIP_SET* set /**< SCIP_SET of SCIP to copy to */
67  );
68 
69 /** creates an event handler */
71  SCIP_EVENTHDLR** eventhdlr, /**< pointer to event handler data structure */
72  SCIP_SET* set, /**< global SCIP settings */
73  const char* name, /**< name of event handler */
74  const char* desc, /**< description of event handler */
75  SCIP_DECL_EVENTCOPY ((*eventcopy)), /**< copy method of event handler or NULL if you don't want to copy your plugin into sub-SCIPs */
76  SCIP_DECL_EVENTFREE ((*eventfree)), /**< destructor of event handler */
77  SCIP_DECL_EVENTINIT ((*eventinit)), /**< initialize event handler */
78  SCIP_DECL_EVENTEXIT ((*eventexit)), /**< deinitialize event handler */
79  SCIP_DECL_EVENTINITSOL((*eventinitsol)), /**< solving process initialization method of event handler */
80  SCIP_DECL_EVENTEXITSOL((*eventexitsol)), /**< solving process deinitialization method of event handler */
81  SCIP_DECL_EVENTDELETE ((*eventdelete)), /**< free specific event data */
82  SCIP_DECL_EVENTEXEC ((*eventexec)), /**< execute event handler */
83  SCIP_EVENTHDLRDATA* eventhdlrdata /**< event handler data */
84  );
85 
86 /** calls destructor and frees memory of event handler */
88  SCIP_EVENTHDLR** eventhdlr, /**< pointer to event handler data structure */
89  SCIP_SET* set /**< global SCIP settings */
90  );
91 
92 /** initializes event handler */
94  SCIP_EVENTHDLR* eventhdlr, /**< event handler for this event */
95  SCIP_SET* set /**< global SCIP settings */
96  );
97 
98 /** calls exit method of event handler */
100  SCIP_EVENTHDLR* eventhdlr, /**< event handler for this event */
101  SCIP_SET* set /**< global SCIP settings */
102  );
103 
104 /** informs event handler that the branch and bound process is being started */
106  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
107  SCIP_SET* set /**< global SCIP settings */
108  );
109 
110 /** informs event handler that the branch and bound process data is being freed */
112  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
113  SCIP_SET* set /**< global SCIP settings */
114  );
115 
116 /** calls execution method of event handler */
118  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
119  SCIP_SET* set, /**< global SCIP settings */
120  SCIP_EVENT* event, /**< event to call event handler with */
121  SCIP_EVENTDATA* eventdata /**< user data for the issued event */
122  );
123 
124 /**
125  * callback setter methods of event handlers
126  */
127 /** sets copy callback for all events of this event handler */
129  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
130  SCIP_DECL_EVENTCOPY ((*eventcopy)) /**< copy callback for events */
131  );
132 
133 /** sets destructor callback of this event handler */
135  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
136  SCIP_DECL_EVENTFREE ((*eventfree)) /**< destructor callback of event handler */
137  );
138 
139 /** sets initialization callback of this event handler */
141  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
142  SCIP_DECL_EVENTINIT ((*eventinit)) /**< initialization callback of event handler */
143  );
144 
145 /** sets deinitialization callback of this event handler */
147  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
148  SCIP_DECL_EVENTEXIT ((*eventexit)) /**< deinitialization callback of event handler */
149  );
150 
151 /** sets solving process initialization callback of this event handler */
153  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
154  SCIP_DECL_EVENTINITSOL((*eventinitsol)) /**< solving process initialization callback of event handler */
155  );
156 
157 /** sets solving process deinitialization callback of this event handler */
159  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
160  SCIP_DECL_EVENTEXITSOL((*eventexitsol)) /**< solving process deinitialization callback of event handler */
161  );
162 
163 /** sets callback to free specific event data */
165  SCIP_EVENTHDLR* eventhdlr, /**< event handler */
166  SCIP_DECL_EVENTDELETE ((*eventdelete)) /**< callback to free specific event data */
167  );
168 
169 /** enables or disables all clocks of \p eventhdlr, depending on the value of the flag */
171  SCIP_EVENTHDLR* eventhdlr, /**< the event handler for which all clocks should be enabled or disabled */
172  SCIP_Bool enable /**< should the clocks of the event handler be enabled? */
173  );
174 
175 /*
176  * Event methods
177  */
178 
179 /** creates a synchronization event */
181  SCIP_EVENT** event, /**< pointer to store the event */
182  BMS_BLKMEM* blkmem /**< block memory */
183  );
184 
185 /** creates an event for an addition of a variable to the problem */
187  SCIP_EVENT** event, /**< pointer to store the event */
188  BMS_BLKMEM* blkmem, /**< block memory */
189  SCIP_VAR* var /**< variable that was added to the problem */
190  );
191 
192 /** creates an event for a deletion of a variable from the problem */
194  SCIP_EVENT** event, /**< pointer to store the event */
195  BMS_BLKMEM* blkmem, /**< block memory */
196  SCIP_VAR* var /**< variable that is to be deleted from the problem */
197  );
198 
199 /** creates an event for a fixing of a variable */
201  SCIP_EVENT** event, /**< pointer to store the event */
202  BMS_BLKMEM* blkmem, /**< block memory */
203  SCIP_VAR* var /**< variable that was fixed */
204  );
205 
206 /** creates an event for a change in the number of locks of a variable down to zero or one */
208  SCIP_EVENT** event, /**< pointer to store the event */
209  BMS_BLKMEM* blkmem, /**< block memory */
210  SCIP_VAR* var /**< variable that changed the number of locks */
211  );
212 
213 /** creates an event for a change in the objective value of a variable */
215  SCIP_EVENT** event, /**< pointer to store the event */
216  BMS_BLKMEM* blkmem, /**< block memory */
217  SCIP_VAR* var, /**< variable whose objective value changed */
218  SCIP_Real oldobj, /**< old objective value before value changed */
219  SCIP_Real newobj /**< new objective value after value changed */
220  );
221 
222 /** creates an event for a change in the global lower bound of a variable */
224  SCIP_EVENT** event, /**< pointer to store the event */
225  BMS_BLKMEM* blkmem, /**< block memory */
226  SCIP_VAR* var, /**< variable whose bound changed */
227  SCIP_Real oldbound, /**< old bound before bound changed */
228  SCIP_Real newbound /**< new bound after bound changed */
229  );
230 
231 /** creates an event for a change in the global upper bound of a variable */
233  SCIP_EVENT** event, /**< pointer to store the event */
234  BMS_BLKMEM* blkmem, /**< block memory */
235  SCIP_VAR* var, /**< variable whose bound changed */
236  SCIP_Real oldbound, /**< old bound before bound changed */
237  SCIP_Real newbound /**< new bound after bound changed */
238  );
239 
240 /** creates an event for a change in the lower bound of a variable */
242  SCIP_EVENT** event, /**< pointer to store the event */
243  BMS_BLKMEM* blkmem, /**< block memory */
244  SCIP_VAR* var, /**< variable whose bound changed */
245  SCIP_Real oldbound, /**< old bound before bound changed */
246  SCIP_Real newbound /**< new bound after bound changed */
247  );
248 
249 /** creates an event for a change in the upper bound of a variable */
251  SCIP_EVENT** event, /**< pointer to store the event */
252  BMS_BLKMEM* blkmem, /**< block memory */
253  SCIP_VAR* var, /**< variable whose bound changed */
254  SCIP_Real oldbound, /**< old bound before bound changed */
255  SCIP_Real newbound /**< new bound after bound changed */
256  );
257 
258 /** creates an event for an addition of a global domain hole to a variable */
260  SCIP_EVENT** event, /**< pointer to store the event */
261  BMS_BLKMEM* blkmem, /**< block memory */
262  SCIP_VAR* var, /**< variable whose bound changed */
263  SCIP_Real left, /**< left bound of open interval in new hole */
264  SCIP_Real right /**< right bound of open interval in new hole */
265  );
266 
267 /** creates an event for removing a global domain hole of a variable */
269  SCIP_EVENT** event, /**< pointer to store the event */
270  BMS_BLKMEM* blkmem, /**< block memory */
271  SCIP_VAR* var, /**< variable whose bound changed */
272  SCIP_Real left, /**< left bound of open interval in hole */
273  SCIP_Real right /**< right bound of open interval in hole */
274  );
275 
276 /** creates an event for an addition of a local domain hole to a variable */
278  SCIP_EVENT** event, /**< pointer to store the event */
279  BMS_BLKMEM* blkmem, /**< block memory */
280  SCIP_VAR* var, /**< variable whose bound changed */
281  SCIP_Real left, /**< left bound of open interval in new hole */
282  SCIP_Real right /**< right bound of open interval in new hole */
283  );
284 
285 /** creates an event for removing a local domain hole of a variable */
287  SCIP_EVENT** event, /**< pointer to store the event */
288  BMS_BLKMEM* blkmem, /**< block memory */
289  SCIP_VAR* var, /**< variable whose bound changed */
290  SCIP_Real left, /**< left bound of open interval in hole */
291  SCIP_Real right /**< right bound of open interval in hole */
292  );
293 
294 /** creates an event for an addition to the variable's implications list, clique or variable bounds information */
296  SCIP_EVENT** event, /**< pointer to store the event */
297  BMS_BLKMEM* blkmem, /**< block memory */
298  SCIP_VAR* var /**< variable that was fixed */
299  );
300 
301 /** creates an event for a changeing the type of a variable */
303  SCIP_EVENT** event, /**< pointer to store the event */
304  BMS_BLKMEM* blkmem, /**< block memory */
305  SCIP_VAR* var, /**< variable whose objective value changed */
306  SCIP_VARTYPE oldtype, /**< old variable type */
307  SCIP_VARTYPE newtype /**< new variable type */
308  );
309 
310 /** creates an event for the addition of a linear row to the separation storage */
312  SCIP_EVENT** event, /**< pointer to store the event */
313  BMS_BLKMEM* blkmem, /**< block memory */
314  SCIP_ROW* row /**< row that was added to the separation storage*/
315  );
316 
317 /** creates an event for the deletion of a linear row from the separation storage */
319  SCIP_EVENT** event, /**< pointer to store the event */
320  BMS_BLKMEM* blkmem, /**< block memory */
321  SCIP_ROW* row /**< row that was deleted from the separation storage */
322  );
323 
324 /** creates an event for the addition of a linear row to the LP */
326  SCIP_EVENT** event, /**< pointer to store the event */
327  BMS_BLKMEM* blkmem, /**< block memory */
328  SCIP_ROW* row /**< row that was added to the LP */
329  );
330 
331 /** creates an event for the deletion of a linear row from the LP */
333  SCIP_EVENT** event, /**< pointer to store the event */
334  BMS_BLKMEM* blkmem, /**< block memory */
335  SCIP_ROW* row /**< row that was deleted from the LP */
336  );
337 
338 /** creates an event for the change of a coefficient in a linear row */
340  SCIP_EVENT** event, /**< pointer to store the event */
341  BMS_BLKMEM* blkmem, /**< block memory */
342  SCIP_ROW* row, /**< row in which a coefficient changed */
343  SCIP_COL* col, /**< column which coefficient changed */
344  SCIP_Real oldval, /**< old value of coefficient */
345  SCIP_Real newval /**< new value of coefficient */
346  );
347 
348 /** creates an event for the change of a constant in a linear row */
350  SCIP_EVENT** event, /**< pointer to store the event */
351  BMS_BLKMEM* blkmem, /**< block memory */
352  SCIP_ROW* row, /**< row in which the constant changed */
353  SCIP_Real oldval, /**< old value of constant */
354  SCIP_Real newval /**< new value of constant */
355  );
356 
357 /** creates an event for the change of a side of a linear row */
359  SCIP_EVENT** event, /**< pointer to store the event */
360  BMS_BLKMEM* blkmem, /**< block memory */
361  SCIP_ROW* row, /**< row which side has changed */
362  SCIP_SIDETYPE side, /**< which side has changed */
363  SCIP_Real oldval, /**< old value of side */
364  SCIP_Real newval /**< new value of side */
365  );
366 
367 /** frees an event */
369  SCIP_EVENT** event, /**< event to free */
370  BMS_BLKMEM* blkmem /**< block memory buffer */
371  );
372 
373 /** sets type of event */
375  SCIP_EVENT* event, /**< event */
376  SCIP_EVENTTYPE eventtype /**< new event type */
377  );
378 
379 /** sets variable for a variable event */
381  SCIP_EVENT* event, /**< event */
382  SCIP_VAR* var /**< new variable */
383  );
384 
385 /** sets node for a node or LP event */
387  SCIP_EVENT* event, /**< event */
388  SCIP_NODE* node /**< new node */
389  );
390 
391 /** sets solution for a primal solution event */
393  SCIP_EVENT* event, /**< event */
394  SCIP_SOL* sol /**< new primal solution */
395  );
396 
397 /** processes event by calling the appropriate event handlers */
399  SCIP_EVENT* event, /**< event */
400  SCIP_SET* set, /**< global SCIP settings */
401  SCIP_PRIMAL* primal, /**< primal data; only needed for objchanged events, or NULL */
402  SCIP_LP* lp, /**< current LP data; only needed for obj/boundchanged events, or NULL */
403  SCIP_BRANCHCAND* branchcand, /**< branching candidate storage; only needed for bound change events, or NULL */
404  SCIP_EVENTFILTER* eventfilter /**< event filter for global events; not needed for variable specific events */
405  );
406 
407 
408 
409 /*
410  * Event filter methods
411  */
412 
413 /** creates an event filter */
415  SCIP_EVENTFILTER** eventfilter, /**< pointer to store the event filter */
416  BMS_BLKMEM* blkmem /**< block memory buffer */
417  );
418 
419 /** frees an event filter and the associated event data entries */
421  SCIP_EVENTFILTER** eventfilter, /**< pointer to store the event filter */
422  BMS_BLKMEM* blkmem, /**< block memory buffer */
423  SCIP_SET* set /**< global SCIP settings */
424  );
425 
426 /** adds element to event filter */
428  SCIP_EVENTFILTER* eventfilter, /**< event filter */
429  BMS_BLKMEM* blkmem, /**< block memory buffer */
430  SCIP_SET* set, /**< global SCIP settings */
431  SCIP_EVENTTYPE eventtype, /**< event type to catch */
432  SCIP_EVENTHDLR* eventhdlr, /**< event handler to call for the event processing */
433  SCIP_EVENTDATA* eventdata, /**< event data to pass to the event handler for the event processing */
434  int* filterpos /**< pointer to store position of event filter entry, or NULL */
435  );
436 
437 /** deletes element from event filter */
439  SCIP_EVENTFILTER* eventfilter, /**< event filter */
440  BMS_BLKMEM* blkmem, /**< block memory buffer */
441  SCIP_SET* set, /**< global SCIP settings */
442  SCIP_EVENTTYPE eventtype, /**< event type */
443  SCIP_EVENTHDLR* eventhdlr, /**< event handler to call for the event processing */
444  SCIP_EVENTDATA* eventdata, /**< event data to pass to the event handler for the event processing */
445  int filterpos /**< position of event filter entry, or -1 if unknown */
446  );
447 
448 /** processes the event with all event handlers with matching filter setting */
450  SCIP_EVENTFILTER* eventfilter, /**< event filter */
451  SCIP_SET* set, /**< global SCIP settings */
452  SCIP_EVENT* event /**< event to process */
453  );
454 
455 
456 
457 /*
458  * Event queue methods
459  */
460 
461 /** creates an event queue */
463  SCIP_EVENTQUEUE** eventqueue /**< pointer to store the event queue */
464  );
465 
466 /** frees event queue; there must not be any unprocessed events in the queue! */
468  SCIP_EVENTQUEUE** eventqueue /**< pointer to the event queue */
469  );
470 
471 /** processes event or adds event to the event queue */
473  SCIP_EVENTQUEUE* eventqueue, /**< event queue */
474  BMS_BLKMEM* blkmem, /**< block memory buffer */
475  SCIP_SET* set, /**< global SCIP settings */
476  SCIP_PRIMAL* primal, /**< primal data; only needed for objchanged events, or NULL */
477  SCIP_LP* lp, /**< current LP data; only needed for obj/boundchanged events, or NULL */
478  SCIP_BRANCHCAND* branchcand, /**< branching candidate storage; only needed for bound change events, or NULL */
479  SCIP_EVENTFILTER* eventfilter, /**< event filter for global events; not needed for variable specific events */
480  SCIP_EVENT** event /**< pointer to event to add to the queue; will be NULL after queue addition */
481  );
482 
483 /** marks queue to delay incoming events until a call to SCIPeventqueueProcess() */
485  SCIP_EVENTQUEUE* eventqueue /**< event queue */
486  );
487 
488 /** processes all events in the queue */
490  SCIP_EVENTQUEUE* eventqueue, /**< event queue */
491  BMS_BLKMEM* blkmem, /**< block memory buffer */
492  SCIP_SET* set, /**< global SCIP settings */
493  SCIP_PRIMAL* primal, /**< primal data */
494  SCIP_LP* lp, /**< current LP data */
495  SCIP_BRANCHCAND* branchcand, /**< branching candidate storage */
496  SCIP_EVENTFILTER* eventfilter /**< event filter for global (not variable dependent) events */
497  );
498 
499 /** returns TRUE iff events of the queue are delayed until the next SCIPeventqueueProcess() call */
501  SCIP_EVENTQUEUE* eventqueue /**< event queue */
502  );
503 
504 #ifdef NDEBUG
505 
506 /* In optimized mode, the function calls are overwritten by defines to reduce the number of function calls and
507  * speed up the algorithms.
508  */
509 
510 #define SCIPeventqueueIsDelayed(eventqueue) ((eventqueue)->delayevents)
511 
512 #endif
513 
514 #ifdef __cplusplus
515 }
516 #endif
517 
518 #endif
void SCIPeventhdlrSetDelete(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTDELETE((*eventdelete)))
Definition: event.c:421
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 SCIPeventCreateRowAddedLP(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row)
Definition: event.c:894
SCIP_RETCODE SCIPeventqueueProcess(SCIP_EVENTQUEUE *eventqueue, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_PRIMAL *primal, SCIP_LP *lp, SCIP_BRANCHCAND *branchcand, SCIP_EVENTFILTER *eventfilter)
Definition: event.c:2496
SCIP_RETCODE SCIPeventCreateSync(SCIP_EVENT **event, BMS_BLKMEM *blkmem)
Definition: event.c:483
SCIP_RETCODE SCIPeventChgNode(SCIP_EVENT *event, SCIP_NODE *node)
Definition: event.c:1317
SCIP_RETCODE SCIPeventhdlrExit(SCIP_EVENTHDLR *eventhdlr, SCIP_SET *set)
Definition: event.c:216
SCIP_RETCODE SCIPeventCreateRowConstChanged(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row, SCIP_Real oldval, SCIP_Real newval)
Definition: event.c:957
SCIP_RETCODE SCIPeventProcess(SCIP_EVENT *event, SCIP_SET *set, SCIP_PRIMAL *primal, SCIP_LP *lp, SCIP_BRANCHCAND *branchcand, SCIP_EVENTFILTER *eventfilter)
Definition: event.c:1574
SCIP_RETCODE SCIPeventqueueAdd(SCIP_EVENTQUEUE *eventqueue, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_PRIMAL *primal, SCIP_LP *lp, SCIP_BRANCHCAND *branchcand, SCIP_EVENTFILTER *eventfilter, SCIP_EVENT **event)
Definition: event.c:2240
void SCIPeventhdlrSetInit(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTINIT((*eventinit)))
Definition: event.c:377
SCIP_RETCODE SCIPeventCreateUbChanged(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real oldbound, SCIP_Real newbound)
Definition: event.c:700
SCIP_DECL_EVENTEXIT(EventhdlrNewSol::scip_exit)
struct SCIP_EventhdlrData SCIP_EVENTHDLRDATA
Definition: type_event.h:155
SCIP_RETCODE SCIPeventhdlrInit(SCIP_EVENTHDLR *eventhdlr, SCIP_SET *set)
Definition: event.c:180
SCIP_RETCODE SCIPeventCreateLholeAdded(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real left, SCIP_Real right)
Definition: event.c:770
SCIP_RETCODE SCIPeventqueueDelay(SCIP_EVENTQUEUE *eventqueue)
Definition: event.c:2481
SCIP_RETCODE SCIPeventfilterCreate(SCIP_EVENTFILTER **eventfilter, BMS_BLKMEM *blkmem)
Definition: event.c:1821
SCIP_RETCODE SCIPeventhdlrFree(SCIP_EVENTHDLR **eventhdlr, SCIP_SET *set)
Definition: event.c:149
void SCIPeventhdlrSetCopy(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTCOPY((*eventcopy)))
Definition: event.c:355
datastructures for managing events
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:63
void SCIPeventhdlrSetInitsol(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTINITSOL((*eventinitsol)))
Definition: event.c:399
type definitions for global SCIP settings
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
SCIP_RETCODE SCIPeventChgType(SCIP_EVENT *event, SCIP_EVENTTYPE eventtype)
Definition: event.c:1040
SCIP_RETCODE SCIPeventChgVar(SCIP_EVENT *event, SCIP_VAR *var)
Definition: event.c:1113
type definitions for return codes for SCIP methods
SCIP_RETCODE SCIPeventCreateRowDeletedLP(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row)
Definition: event.c:913
void SCIPeventhdlrEnableOrDisableClocks(SCIP_EVENTHDLR *eventhdlr, SCIP_Bool enable)
Definition: event.c:442
SCIP_RETCODE SCIPeventCreateImplAdded(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var)
Definition: event.c:814
SCIP_RETCODE SCIPeventCreateObjChanged(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real oldobj, SCIP_Real newobj)
Definition: event.c:605
type definitions for branching rules
SCIP_RETCODE SCIPeventqueueCreate(SCIP_EVENTQUEUE **eventqueue)
Definition: event.c:2184
SCIP_DECL_EVENTINITSOL(EventhdlrNewSol::scip_initsol)
SCIP_RETCODE SCIPeventqueueFree(SCIP_EVENTQUEUE **eventqueue)
Definition: event.c:2200
type definitions for LP management
SCIP_RETCODE SCIPeventChgSol(SCIP_EVENT *event, SCIP_SOL *sol)
Definition: event.c:1354
SCIP_DECL_EVENTINIT(EventhdlrNewSol::scip_init)
SCIP_DECL_EVENTFREE(EventhdlrNewSol::scip_free)
SCIP_RETCODE SCIPeventhdlrInitsol(SCIP_EVENTHDLR *eventhdlr, SCIP_SET *set)
Definition: event.c:246
void SCIPeventhdlrSetFree(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTFREE((*eventfree)))
Definition: event.c:366
SCIP_RETCODE SCIPeventCreateVarAdded(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var)
Definition: event.c:526
SCIP_RETCODE SCIPeventCreateGlbChanged(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real oldbound, SCIP_Real newbound)
Definition: event.c:628
struct SCIP_EventData SCIP_EVENTDATA
Definition: type_event.h:173
SCIP_RETCODE SCIPeventCreateVarFixed(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var)
Definition: event.c:562
type definitions for problem variables
SCIP_RETCODE SCIPeventCreateRowDeletedSepa(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row)
Definition: event.c:875
type definitions for managing events
SCIP_RETCODE SCIPeventCreateRowSideChanged(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row, SCIP_SIDETYPE side, SCIP_Real oldval, SCIP_Real newval)
Definition: event.c:980
SCIP_RETCODE SCIPeventCreateGholeRemoved(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real left, SCIP_Real right)
Definition: event.c:748
#define SCIP_Bool
Definition: def.h:91
void SCIPeventhdlrSetExit(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTEXIT((*eventexit)))
Definition: event.c:388
SCIP_RETCODE SCIPeventCreateLbChanged(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real oldbound, SCIP_Real newbound)
Definition: event.c:674
SCIP_RETCODE SCIPeventCreateRowCoefChanged(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row, SCIP_COL *col, SCIP_Real oldval, SCIP_Real newval)
Definition: event.c:932
SCIP_RETCODE SCIPeventCreateLholeRemoved(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real left, SCIP_Real right)
Definition: event.c:792
SCIP_RETCODE SCIPeventfilterFree(SCIP_EVENTFILTER **eventfilter, BMS_BLKMEM *blkmem, SCIP_SET *set)
Definition: event.c:1846
SCIP_RETCODE SCIPeventCreateGholeAdded(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real left, SCIP_Real right)
Definition: event.c:726
type definitions for storing primal CIP solutions
public methods for managing events
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
SCIP_RETCODE SCIPeventfilterProcess(SCIP_EVENTFILTER *eventfilter, SCIP_SET *set, SCIP_EVENT *event)
Definition: event.c:2082
SCIP_RETCODE SCIPeventCreateVarDeleted(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var)
Definition: event.c:544
SCIP_RETCODE SCIPeventhdlrExitsol(SCIP_EVENTHDLR *eventhdlr, SCIP_SET *set)
Definition: event.c:270
SCIP_DECL_EVENTEXEC(EventhdlrNewSol::scip_exec)
SCIP_RETCODE SCIPeventhdlrExec(SCIP_EVENTHDLR *eventhdlr, SCIP_SET *set, SCIP_EVENT *event, SCIP_EVENTDATA *eventdata)
Definition: event.c:294
#define SCIP_Real
Definition: def.h:173
SCIP_RETCODE SCIPeventFree(SCIP_EVENT **event, BMS_BLKMEM *blkmem)
Definition: event.c:1005
SCIP_DECL_EVENTEXITSOL(EventhdlrNewSol::scip_exitsol)
#define SCIP_DECL_EVENTCOPY(x)
Definition: type_event.h:183
enum SCIP_Vartype SCIP_VARTYPE
Definition: type_var.h:73
SCIP_DECL_EVENTDELETE(EventhdlrNewSol::scip_delete)
SCIP_RETCODE SCIPeventCreateRowAddedSepa(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row)
Definition: event.c:856
type definitions for collecting primal CIP solutions and primal informations
common defines and data types used in all packages of SCIP
struct BMS_BlkMem BMS_BLKMEM
Definition: memory.h:437
SCIP_Bool SCIPeventqueueIsDelayed(SCIP_EVENTQUEUE *eventqueue)
Definition: event.c:2568
SCIP_RETCODE SCIPeventCreateTypeChanged(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_VARTYPE oldtype, SCIP_VARTYPE newtype)
Definition: event.c:833
SCIP_RETCODE SCIPeventCreateGubChanged(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real oldbound, SCIP_Real newbound)
Definition: event.c:651
SCIP_RETCODE SCIPeventhdlrCopyInclude(SCIP_EVENTHDLR *eventhdlr, SCIP_SET *set)
Definition: event.c:60
SCIP_RETCODE SCIPeventCreateVarUnlocked(SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var)
Definition: event.c:584
void SCIPeventhdlrSetExitsol(SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTEXITSOL((*eventexitsol)))
Definition: event.c:410
uint64_t SCIP_EVENTTYPE
Definition: type_event.h:151
memory allocation routines
enum SCIP_SideType SCIP_SIDETYPE
Definition: type_lp.h:67