Scippy

SCIP

Solving Constraint Integer Programs

compr.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) 2002-2023 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, */
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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 compr.c
26  * @ingroup OTHER_CFILES
27  * @brief methods for tree compressions
28  * @author Jakob Witzig
29  */
30 
31 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
32 
33 #include <assert.h>
34 #include <string.h>
35 
36 #include "scip/def.h"
37 #include "scip/set.h"
38 #include "scip/clock.h"
39 #include "scip/paramset.h"
40 #include "scip/scip.h"
41 #include "scip/compr.h"
42 #include "scip/reopt.h"
43 #include "scip/pub_message.h"
44 #include "scip/pub_misc.h"
45 
46 #include "scip/struct_compr.h"
47 
48 
49 
50 /** compares two compression methods w. r. to their delay positions and their priority */
51 SCIP_DECL_SORTPTRCOMP(SCIPcomprComp)
52 { /*lint --e{715}*/
53  SCIP_COMPR* compr1 = (SCIP_COMPR*)elem1;
54  SCIP_COMPR* compr2 = (SCIP_COMPR*)elem2;
55 
56  assert(compr1 != NULL);
57  assert(compr2 != NULL);
58 
59  return compr2->priority - compr1->priority; /* prefer higher priorities */
60 }
61 
62 /** comparison method for sorting heuristics w.r.t. to their name */
63 SCIP_DECL_SORTPTRCOMP(SCIPcomprCompName)
64 {
65  return strcmp(SCIPcomprGetName((SCIP_COMPR*)elem1), SCIPcomprGetName((SCIP_COMPR*)elem2));
66 }
67 
68 /** method to call, when the priority of a compression was changed */
69 static
70 SCIP_DECL_PARAMCHGD(paramChgdComprPriority)
71 { /*lint --e{715}*/
72  SCIP_PARAMDATA* paramdata;
73 
74  paramdata = SCIPparamGetData(param);
75  assert(paramdata != NULL);
76 
77  /* use SCIPsetComprPriority() to mark the compressions unsorted */
78  SCIP_CALL( SCIPsetComprPriority(scip, (SCIP_COMPR*)paramdata, SCIPparamGetInt(param)) ); /*lint !e740*/
79 
80  return SCIP_OKAY;
81 }
82 
83 /** copies the given tree compression to a new scip */
85  SCIP_COMPR* compr, /**< tree compression */
86  SCIP_SET* set /**< SCIP_SET of SCIP to copy to */
87  )
88 {
89  assert(compr != NULL);
90  assert(set != NULL);
91  assert(set->scip != NULL);
92 
93  if( compr->comprcopy != NULL )
94  {
95  SCIPsetDebugMsg(set, "including compr %s in subscip %p\n", SCIPcomprGetName(compr), (void*)set->scip);
96  SCIP_CALL( compr->comprcopy(set->scip, compr) );
97  }
98 
99  return SCIP_OKAY;
100 }
101 
102 /** internal method for creating a tree compression */
103 static
105  SCIP_COMPR** compr, /**< pointer to tree compression data structure */
106  SCIP_SET* set, /**< global SCIP settings */
107  SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
108  BMS_BLKMEM* blkmem, /**< block memory for parameter settings */
109  const char* name, /**< name of tree compression */
110  const char* desc, /**< description of tree compression */
111  int priority, /**< priority of the tree compression */
112  int minnnodes, /**< minimal number of nodes for calling compression */
113  SCIP_DECL_COMPRCOPY ((*comprcopy)), /**< copy method of tree compression or NULL if you don't want to copy your plugin into sub-SCIPs */
114  SCIP_DECL_COMPRFREE ((*comprfree)), /**< destructor of tree compression */
115  SCIP_DECL_COMPRINIT ((*comprinit)), /**< initialize tree compression */
116  SCIP_DECL_COMPREXIT ((*comprexit)), /**< deinitialize tree compression */
117  SCIP_DECL_COMPRINITSOL ((*comprinitsol)), /**< solving process initialization method of tree compression */
118  SCIP_DECL_COMPREXITSOL ((*comprexitsol)), /**< solving process deinitialization method of tree compression */
119  SCIP_DECL_COMPREXEC ((*comprexec)), /**< execution method of tree compression */
120  SCIP_COMPRDATA* comprdata /**< tree compression data */
121  )
122 {
124  char paramdesc[SCIP_MAXSTRLEN];
125 
126  assert(compr != NULL);
127  assert(name != NULL);
128  assert(desc != NULL);
129  assert(comprexec != NULL);
130 
131  SCIP_ALLOC( BMSallocMemory(compr) );
132  BMSclearMemory(*compr);
133 
134  SCIP_ALLOC( BMSduplicateMemoryArray(&(*compr)->name, name, strlen(name)+1) );
135  SCIP_ALLOC( BMSduplicateMemoryArray(&(*compr)->desc, desc, strlen(desc)+1) );
136  (*compr)->priority = priority;
137  (*compr)->minnnodes = minnnodes;
138  (*compr)->comprcopy = comprcopy;
139  (*compr)->comprfree = comprfree;
140  (*compr)->comprinit = comprinit;
141  (*compr)->comprexit = comprexit;
142  (*compr)->comprinitsol = comprinitsol;
143  (*compr)->comprexitsol = comprexitsol;
144  (*compr)->comprexec = comprexec;
145  (*compr)->comprdata = comprdata;
146  SCIP_CALL( SCIPclockCreate(&(*compr)->setuptime, SCIP_CLOCKTYPE_DEFAULT) );
147  SCIP_CALL( SCIPclockCreate(&(*compr)->comprclock, SCIP_CLOCKTYPE_DEFAULT) );
148  (*compr)->ncalls = 0;
149  (*compr)->nfound = 0;
150  (*compr)->rate = 0.0;
151  (*compr)->initialized = FALSE;
152  (*compr)->nnodes = 0;
153  (*compr)->loi = 0.0;
154 
155  /* add parameters */
156  (void) SCIPsnprintf(paramname, SCIP_MAXSTRLEN, "compression/%s/priority", name);
157  (void) SCIPsnprintf(paramdesc, SCIP_MAXSTRLEN, "priority of compression <%s>", name);
158  SCIP_CALL( SCIPsetAddIntParam(set, messagehdlr, blkmem, paramname, paramdesc,
159  &(*compr)->priority, TRUE, priority, INT_MIN/4, INT_MAX/4,
160  paramChgdComprPriority, (SCIP_PARAMDATA*)(*compr)) ); /*lint !e740*/
161  (void) SCIPsnprintf(paramname, SCIP_MAXSTRLEN, "compression/%s/minnleaves", name);
162  (void) SCIPsnprintf(paramdesc, SCIP_MAXSTRLEN, "minimal number of leave nodes for calling tree compression <%s>", name);
163  SCIP_CALL( SCIPsetAddIntParam(set, messagehdlr, blkmem, paramname, paramdesc,
164  &(*compr)->minnnodes, FALSE, minnnodes, 1, INT_MAX, NULL, NULL) );
165 
166  return SCIP_OKAY;
167 }
168 
169 /** creates a tree compression */
171  SCIP_COMPR** compr, /**< pointer to tree compression data structure */
172  SCIP_SET* set, /**< global SCIP settings */
173  SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
174  BMS_BLKMEM* blkmem, /**< block memory for parameter settings */
175  const char* name, /**< name of tree compression */
176  const char* desc, /**< description of tree compression */
177  int priority, /**< priority of the tree compression */
178  int minnnodes, /**< minimal number of nodes for calling compression */
179  SCIP_DECL_COMPRCOPY ((*comprcopy)), /**< copy method of tree compression or NULL if you don't want to copy
180  * your plugin into sub-SCIPs */
181  SCIP_DECL_COMPRFREE ((*comprfree)), /**< destructor of tree compression */
182  SCIP_DECL_COMPRINIT ((*comprinit)), /**< initialize tree compression */
183  SCIP_DECL_COMPREXIT ((*comprexit)), /**< deinitialize tree compression */
184  SCIP_DECL_COMPRINITSOL ((*comprinitsol)), /**< solving process initialization method of tree compression */
185  SCIP_DECL_COMPREXITSOL ((*comprexitsol)), /**< solving process deinitialization method of tree compression */
186  SCIP_DECL_COMPREXEC ((*comprexec)), /**< execution method of tree compression */
187  SCIP_COMPRDATA* comprdata /**< tree compression data */
188  )
189 {
190  assert(compr != NULL);
191  assert(name != NULL);
192  assert(desc != NULL);
193  assert(comprexec != NULL);
194 
195  SCIP_CALL_FINALLY( doComprCreate(compr, set, messagehdlr, blkmem, name, desc, priority, minnnodes,
196  comprcopy, comprfree, comprinit, comprexit, comprinitsol, comprexitsol, comprexec, comprdata),
197  (void) SCIPcomprFree(compr, set) );
198 
199  return SCIP_OKAY;
200 }
201 
202 /** calls destructor and frees memory of tree compression */
204  SCIP_COMPR** compr, /**< pointer to tree compression data structure */
205  SCIP_SET* set /**< global SCIP settings */
206  )
207 {
208  assert(compr != NULL);
209  if( *compr == NULL )
210  return SCIP_OKAY;
211  assert(!(*compr)->initialized);
212  assert(set != NULL);
213 
214  /* call destructor of tree compression */
215  if( (*compr)->comprfree != NULL )
216  {
217  SCIP_CALL( (*compr)->comprfree(set->scip, *compr) );
218  }
219 
220  SCIPclockFree(&(*compr)->comprclock);
221  SCIPclockFree(&(*compr)->setuptime);
222  BMSfreeMemoryArrayNull(&(*compr)->name);
223  BMSfreeMemoryArrayNull(&(*compr)->desc);
224  BMSfreeMemory(compr);
225 
226  return SCIP_OKAY;
227 }
228 
229 /** initializes tree compression */
231  SCIP_COMPR* compr, /**< tree compression */
232  SCIP_SET* set /**< global SCIP settings */
233  )
234 {
235  assert(compr != NULL);
236  assert(set != NULL);
237 
238  if( compr->initialized )
239  {
240  SCIPerrorMessage("tree compression <%s> already initialized\n", compr->name);
241  return SCIP_INVALIDCALL;
242  }
243 
244  if( set->misc_resetstat && !set->reopt_enable )
245  {
246  SCIPclockReset(compr->setuptime);
247  SCIPclockReset(compr->comprclock);
248 
249  compr->ncalls = 0;
250  compr->nfound = 0;
251  }
252 
253  if( compr->comprinit != NULL )
254  {
255  /* start timing */
256  SCIPclockStart(compr->setuptime, set);
257 
258  SCIP_CALL( compr->comprinit(set->scip, compr) );
259 
260  /* stop timing */
261  SCIPclockStop(compr->setuptime, set);
262  }
263  compr->initialized = TRUE;
264 
265  return SCIP_OKAY;
266 }
267 
268 /** calls exit method of tree compression */
270  SCIP_COMPR* compr, /**< tree compression */
271  SCIP_SET* set /**< global SCIP settings */
272  )
273 {
274  assert(compr != NULL);
275  assert(set != NULL);
276 
277  if( !compr->initialized )
278  {
279  SCIPerrorMessage("tree compression <%s> not initialized\n", compr->name);
280  return SCIP_INVALIDCALL;
281  }
282 
283  if( compr->comprexit != NULL )
284  {
285  /* start timing */
286  SCIPclockStart(compr->setuptime, set);
287 
288  SCIP_CALL( compr->comprexit(set->scip, compr) );
289 
290  /* stop timing */
291  SCIPclockStop(compr->setuptime, set);
292  }
293  compr->initialized = FALSE;
294 
295  return SCIP_OKAY;
296 }
297 
298 /** calls execution method of tree compression */
300  SCIP_COMPR* compr, /**< tree compression */
301  SCIP_SET* set, /**< global SCIP settings */
302  SCIP_REOPT* reopt, /**< reoptimization data structure */
303  SCIP_RESULT* result /**< pointer to store the result of the callback method */
304  )
305 {
306  assert(compr != NULL);
307  assert(compr->comprexec != NULL);
308  assert(set != NULL);
309  assert(set->scip != NULL);
310  assert(result != NULL);
311 
312  *result = SCIP_DIDNOTRUN;
313 
314  /* do not run if reoptimization data structure is not initialized */
315  if( reopt == NULL )
316  return SCIP_OKAY;
317 
318  /* do not run if the reoptimization tree is not large enough */
319  if( SCIPreoptGetNLeaves(reopt, NULL) < compr->minnnodes )
320  return SCIP_OKAY;
321 
322  SCIPsetDebugMsg(set, "executing tree compression <%s>\n", compr->name);
323 
324  /* start timing */
325  SCIPclockStart(compr->comprclock, set);
326 
327  /* call external method */
328  SCIP_CALL( compr->comprexec(set->scip, compr, result) );
329 
330  /* stop timing */
331  SCIPclockStop(compr->comprclock, set);
332 
333  /* evaluate result */
334  if( *result != SCIP_SUCCESS
335  && *result != SCIP_DIDNOTFIND
336  && *result != SCIP_DIDNOTRUN )
337  {
338  SCIPerrorMessage("execution method of tree compression <%s> returned invalid result <%d>\n",
339  compr->name, *result);
340  return SCIP_INVALIDRESULT;
341  }
342 
343  if( *result != SCIP_DIDNOTRUN )
344  compr->ncalls++;
345 
346  if( *result == SCIP_SUCCESS )
347  compr->nfound++;
348 
349  return SCIP_OKAY;
350 }
351 
352 /** gets user data of tree compression */
354  SCIP_COMPR* compr /**< tree compression */
355  )
356 {
357  assert(compr != NULL);
358 
359  return compr->comprdata;
360 }
361 
362 /** sets user data of tree compression; user has to free old data in advance! */
364  SCIP_COMPR* compr, /**< tree compression */
365  SCIP_COMPRDATA* comprdata /**< new tree compression user data */
366  )
367 {
368  assert(compr != NULL);
369 
370  compr->comprdata = comprdata;
371 }
372 
373 /* new callback setter methods */
374 
375 /** sets copy callback of tree compression */
377  SCIP_COMPR* compr, /**< tree compression */
378  SCIP_DECL_COMPRCOPY ((*comprcopy)) /**< copy callback of tree compression or NULL if you don't want to copy your plugin into sub-SCIPs */
379  )
380 {
381  assert(compr != NULL);
382 
383  compr->comprcopy = comprcopy;
384 }
385 
386 /** sets destructor callback of tree compression */
388  SCIP_COMPR* compr, /**< tree compression */
389  SCIP_DECL_COMPRFREE ((*comprfree)) /**< destructor of tree compression */
390  )
391 {
392  assert(compr != NULL);
393 
394  compr->comprfree = comprfree;
395 }
396 
397 /** sets initialization callback of tree compression */
399  SCIP_COMPR* compr, /**< tree compression */
400  SCIP_DECL_COMPRINIT ((*comprinit)) /**< initialize tree compression */
401  )
402 {
403  assert(compr != NULL);
404 
405  compr->comprinit = comprinit;
406 }
407 
408 /** sets deinitialization callback of tree compression */
410  SCIP_COMPR* compr, /**< tree compression */
411  SCIP_DECL_COMPREXIT ((*comprexit)) /**< deinitialize tree compression */
412  )
413 {
414  assert(compr != NULL);
415 
416  compr->comprexit = comprexit;
417 }
418 
419 /** sets solving process initialization callback of tree compression */
421  SCIP_COMPR* compr, /**< tree compression */
422  SCIP_DECL_COMPRINITSOL ((*comprinitsol)) /**< solving process initialization callback of tree compression */
423  )
424 {
425  assert(compr != NULL);
426 
427  compr->comprinitsol = comprinitsol;
428 }
429 
430 /** sets solving process deinitialization callback of tree compression */
432  SCIP_COMPR* compr, /**< tree compression */
433  SCIP_DECL_COMPREXITSOL ((*comprexitsol)) /**< solving process deinitialization callback of tree compression */
434  )
435 {
436  assert(compr != NULL);
437 
438  compr->comprexitsol = comprexitsol;
439 }
440 
441 /** should the compression be executed at the given depth, number of nodes */
443  SCIP_COMPR* compr, /**< tree compression */
444  int depth, /**< depth of current node */
445  int nnodes /**< number of open nodes */
446  )
447 {
448  assert(compr != NULL);
449  assert(depth >= 0);
450  assert(nnodes >= 0);
451 
452  return nnodes >= compr->minnnodes;
453 }
454 
455 /** gets name of tree compression */
456 const char* SCIPcomprGetName(
457  SCIP_COMPR* compr /**< tree compression */
458  )
459 {
460  assert(compr != NULL);
461 
462  return compr->name;
463 }
464 
465 /** gets description of tree compression */
466 const char* SCIPcomprGetDesc(
467  SCIP_COMPR* compr /**< tree compression */
468  )
469 {
470  assert(compr != NULL);
471 
472  return compr->desc;
473 }
474 
475 /** gets priority of tree compression */
477  SCIP_COMPR* compr /**< tree compression */
478  )
479 {
480  assert(compr != NULL);
481 
482  return compr->priority;
483 }
484 
485 /** sets priority of tree compression */
487  SCIP_COMPR* compr, /**< tree compression */
488  SCIP_SET* set, /**< global SCIP settings */
489  int priority /**< new priority of the tree compression */
490  )
491 {
492  assert(compr != NULL);
493  assert(set != NULL);
494 
495  compr->priority = priority;
496  set->comprssorted = FALSE;
497 }
498 
499 /** gets minimal number of nodes for calling tree compression (returns -1, if no node threshold exists) */
501  SCIP_COMPR* compr /**< tree compression */
502  )
503 {
504  assert(compr != NULL);
505 
506  return compr->minnnodes;
507 }
508 
509 /** gets the number of times, the heuristic was called and tried to find a solution */
511  SCIP_COMPR* compr /**< tree compression */
512  )
513 {
514  assert(compr != NULL);
515 
516  return compr->ncalls;
517 }
518 
519 /** gets the number of compressions found by this compression */
521  SCIP_COMPR* compr /**< tree compression */
522  )
523 {
524  assert(compr != NULL);
525 
526  return compr->nfound;
527 }
528 
529 /** is tree compression initialized? */
531  SCIP_COMPR* compr /**< tree compression */
532  )
533 {
534  assert(compr != NULL);
535 
536  return compr->initialized;
537 }
538 
539 /** gets time in seconds used in this heuristic for setting up for next stages */
541  SCIP_COMPR* compr /**< tree compression */
542  )
543 {
544  assert(compr != NULL);
545 
546  return SCIPclockGetTime(compr->setuptime);
547 }
548 
549 /** gets time in seconds used in this heuristic */
551  SCIP_COMPR* compr /**< tree compression */
552  )
553 {
554  assert(compr != NULL);
555 
556  return SCIPclockGetTime(compr->comprclock);
557 }
enum SCIP_Result SCIP_RESULT
Definition: type_result.h:61
void SCIPcomprSetInitsol(SCIP_COMPR *compr, SCIP_DECL_COMPRINITSOL((*comprinitsol)))
Definition: compr.c:420
const char * SCIPcomprGetDesc(SCIP_COMPR *compr)
Definition: compr.c:466
int SCIPreoptGetNLeaves(SCIP_REOPT *reopt, SCIP_NODE *node)
Definition: reopt.c:5931
#define BMSfreeMemoryArrayNull(ptr)
Definition: memory.h:150
#define SCIP_DECL_COMPREXEC(x)
Definition: type_compr.h:120
void SCIPcomprSetCopy(SCIP_COMPR *compr, SCIP_DECL_COMPRCOPY((*comprcopy)))
Definition: compr.c:376
int SCIPcomprGetMinNodes(SCIP_COMPR *compr)
Definition: compr.c:500
SCIP_PARAMDATA * SCIPparamGetData(SCIP_PARAM *param)
Definition: paramset.c:679
#define SCIP_MAXSTRLEN
Definition: def.h:302
SCIP_RETCODE SCIPcomprInit(SCIP_COMPR *compr, SCIP_SET *set)
Definition: compr.c:230
internal methods for clocks and timing issues
SCIP_Longint SCIPcomprGetNFound(SCIP_COMPR *compr)
Definition: compr.c:520
SCIP_Real SCIPcomprGetTime(SCIP_COMPR *compr)
Definition: compr.c:550
struct SCIP_ParamData SCIP_PARAMDATA
Definition: type_paramset.h:87
SCIP_RETCODE SCIPcomprCreate(SCIP_COMPR **compr, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, const char *name, const char *desc, int priority, int minnnodes, SCIP_DECL_COMPRCOPY((*comprcopy)), SCIP_DECL_COMPRFREE((*comprfree)), SCIP_DECL_COMPRINIT((*comprinit)), SCIP_DECL_COMPREXIT((*comprexit)), SCIP_DECL_COMPRINITSOL((*comprinitsol)), SCIP_DECL_COMPREXITSOL((*comprexitsol)), SCIP_DECL_COMPREXEC((*comprexec)), SCIP_COMPRDATA *comprdata)
Definition: compr.c:170
int SCIPcomprGetPriority(SCIP_COMPR *compr)
Definition: compr.c:476
#define SCIP_CALL_FINALLY(x, y)
Definition: def.h:436
#define SCIP_DECL_COMPREXITSOL(x)
Definition: type_compr.h:104
void SCIPcomprSetExitsol(SCIP_COMPR *compr, SCIP_DECL_COMPREXITSOL((*comprexitsol)))
Definition: compr.c:431
void SCIPclockStop(SCIP_CLOCK *clck, SCIP_SET *set)
Definition: clock.c:360
SCIP_Bool SCIPcomprIsInitialized(SCIP_COMPR *compr)
Definition: compr.c:530
#define FALSE
Definition: def.h:96
SCIP_CLOCK * comprclock
Definition: struct_compr.h:63
void SCIPclockStart(SCIP_CLOCK *clck, SCIP_SET *set)
Definition: clock.c:290
SCIP_RETCODE SCIPcomprFree(SCIP_COMPR **compr, SCIP_SET *set)
Definition: compr.c:203
int SCIPsnprintf(char *t, int len, const char *s,...)
Definition: misc.c:10788
#define TRUE
Definition: def.h:95
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:63
void SCIPcomprSetPriority(SCIP_COMPR *compr, SCIP_SET *set, int priority)
Definition: compr.c:486
void SCIPcomprSetInit(SCIP_COMPR *compr, SCIP_DECL_COMPRINIT((*comprinit)))
Definition: compr.c:398
static SCIP_DECL_PARAMCHGD(paramChgdComprPriority)
Definition: compr.c:70
SCIP_RETCODE SCIPcomprExec(SCIP_COMPR *compr, SCIP_SET *set, SCIP_REOPT *reopt, SCIP_RESULT *result)
Definition: compr.c:299
internal methods for handling parameter settings
#define BMSfreeMemory(ptr)
Definition: memory.h:147
SCIP_COMPRDATA * SCIPcomprGetData(SCIP_COMPR *compr)
Definition: compr.c:353
#define SCIP_DECL_COMPRINIT(x)
Definition: type_compr.h:74
Definition: heur_padm.c:132
#define SCIP_DECL_COMPRFREE(x)
Definition: type_compr.h:66
SCIP_Longint nfound
Definition: struct_compr.h:49
SCIP_Bool SCIPcomprShouldBeExecuted(SCIP_COMPR *compr, int depth, int nnodes)
Definition: compr.c:442
char * desc
Definition: struct_compr.h:53
#define SCIPerrorMessage
Definition: pub_message.h:64
SCIP_COMPRDATA * comprdata
Definition: struct_compr.h:61
#define SCIP_DECL_COMPRCOPY(x)
Definition: type_compr.h:58
void SCIPclockReset(SCIP_CLOCK *clck)
Definition: clock.c:209
SCIP_CLOCK * setuptime
Definition: struct_compr.h:62
static SCIP_RETCODE doComprCreate(SCIP_COMPR **compr, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, const char *name, const char *desc, int priority, int minnnodes, SCIP_DECL_COMPRCOPY((*comprcopy)), SCIP_DECL_COMPRFREE((*comprfree)), SCIP_DECL_COMPRINIT((*comprinit)), SCIP_DECL_COMPREXIT((*comprexit)), SCIP_DECL_COMPRINITSOL((*comprinitsol)), SCIP_DECL_COMPREXITSOL((*comprexitsol)), SCIP_DECL_COMPREXEC((*comprexec)), SCIP_COMPRDATA *comprdata)
Definition: compr.c:104
SCIP_Longint ncalls
Definition: struct_compr.h:48
SCIP_Real SCIPclockGetTime(SCIP_CLOCK *clck)
Definition: clock.c:438
#define NULL
Definition: lpi_spx1.cpp:164
SCIP_Longint SCIPcomprGetNCalls(SCIP_COMPR *compr)
Definition: compr.c:510
internal methods for global SCIP settings
#define SCIP_CALL(x)
Definition: def.h:394
struct SCIP_ComprData SCIP_COMPRDATA
Definition: type_compr.h:49
SCIP_RETCODE SCIPsetAddIntParam(SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, const char *name, const char *desc, int *valueptr, SCIP_Bool isadvanced, int defaultvalue, int minvalue, int maxvalue, SCIP_DECL_PARAMCHGD((*paramchgd)), SCIP_PARAMDATA *paramdata)
Definition: set.c:3029
SCIP_RETCODE SCIPcomprExit(SCIP_COMPR *compr, SCIP_SET *set)
Definition: compr.c:269
#define BMSduplicateMemoryArray(ptr, source, num)
Definition: memory.h:145
SCIP_RETCODE SCIPclockCreate(SCIP_CLOCK **clck, SCIP_CLOCKTYPE clocktype)
Definition: clock.c:170
#define SCIP_DECL_COMPRINITSOL(x)
Definition: type_compr.h:93
data structures and methods for collecting reoptimization information
public data structures and miscellaneous methods
#define SCIP_Bool
Definition: def.h:93
static const char * paramname[]
Definition: lpi_msk.c:5040
datastructures for tree compression techniques
void SCIPclockFree(SCIP_CLOCK **clck)
Definition: clock.c:185
SCIP_DECL_SORTPTRCOMP(SCIPcomprComp)
Definition: compr.c:51
SCIP_RETCODE SCIPcomprCopyInclude(SCIP_COMPR *compr, SCIP_SET *set)
Definition: compr.c:84
#define SCIPsetDebugMsg
Definition: set.h:1770
#define SCIP_DECL_COMPREXIT(x)
Definition: type_compr.h:82
#define BMSclearMemory(ptr)
Definition: memory.h:131
SCIP_RETCODE SCIPsetComprPriority(SCIP *scip, SCIP_COMPR *compr, int priority)
Definition: scip_compr.c:274
int SCIPparamGetInt(SCIP_PARAM *param)
Definition: paramset.c:734
const char * SCIPcomprGetName(SCIP_COMPR *compr)
Definition: compr.c:456
internal methods for tree compressions
SCIP_Real SCIPcomprGetSetupTime(SCIP_COMPR *compr)
Definition: compr.c:540
public methods for message output
SCIP_Bool initialized
Definition: struct_compr.h:67
#define SCIP_Real
Definition: def.h:186
#define BMSallocMemory(ptr)
Definition: memory.h:120
#define SCIP_Longint
Definition: def.h:171
void SCIPcomprSetFree(SCIP_COMPR *compr, SCIP_DECL_COMPRFREE((*comprfree)))
Definition: compr.c:387
#define nnodes
Definition: gastrans.c:74
void SCIPcomprSetData(SCIP_COMPR *compr, SCIP_COMPRDATA *comprdata)
Definition: compr.c:363
char * name
Definition: struct_compr.h:52
common defines and data types used in all packages of SCIP
struct BMS_BlkMem BMS_BLKMEM
Definition: memory.h:439
void SCIPcomprSetExit(SCIP_COMPR *compr, SCIP_DECL_COMPREXIT((*comprexit)))
Definition: compr.c:409
#define SCIP_ALLOC(x)
Definition: def.h:405
SCIP callable library.