reopt.h
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31 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
171 * First, we check whether the current node is the root node, e.g., node == NULL. In this case, we do not need to calculate
175 * 3. the last n optimal solutions were found by heur_reoptsols (in this case, the stored tree was only needed to
178 * If the current node is different to the root node we calculate the local similarity, i.e., exclude all variables
296 /** returns the number of leaf nodes of the subtree induced by @p node (of the whole tree if node == NULL) */
302 /** returns the child nodes of @p node that need to be reoptimized next or NULL if @p node is a leaf */
406 /** splits the root into several nodes and moves the child nodes of the root to one of the created nodes */
501 SCIP_BOUNDTYPE* boundtypes, /**< boundtypes of the varibales (or NULL is the constraint is a cut) */
564 /** reactivate globally valid constraints that were deactivated and necessary to ensure correctness */
SCIP_REOPTNODE * SCIPreoptGetReoptnode(SCIP_REOPT *reopt, unsigned int id)
Definition: reopt.c:5684
SCIP_RETCODE SCIPreoptAddCons(SCIP_REOPT *reopt, SCIP_SET *set, BMS_BLKMEM *blkmem, SCIP_CONS *cons)
Definition: reopt.c:8092
SCIP_Real SCIPreoptGetSimToPrevious(SCIP_REOPT *reopt)
Definition: reopt.c:5633
type definitions for miscellaneous datastructures
Definition: struct_scip.h:68
SCIP_RETCODE SCIPreoptApplyCompression(SCIP_REOPT *reopt, SCIP_SET *set, BMS_BLKMEM *blkmem, SCIP_REOPTNODE **representatives, int nrepresentatives, SCIP_Bool *success)
Definition: reopt.c:6678
SCIP_SOL * SCIPreoptGetBestSolRun(SCIP_REOPT *reopt, int run)
Definition: reopt.c:5714
SCIP_RETCODE SCIPreoptMergeVarHistory(SCIP_REOPT *reopt, SCIP_SET *set, SCIP_STAT *stat, SCIP_VAR **vars, int nvars)
Definition: reopt.c:6531
SCIP_RETCODE SCIPreoptReleaseData(SCIP_REOPT *reopt, SCIP_SET *set, BMS_BLKMEM *blkmem)
Definition: reopt.c:5124
SCIP_Bool SCIPreoptGetSolveLP(SCIP_REOPT *reopt, SCIP_SET *set, SCIP_NODE *node)
Definition: reopt.c:7860
SCIP_Bool SCIPreoptConsCanBeDeleted(SCIP_REOPT *reopt, SCIP_CONS *cons)
Definition: reopt.c:8310
SCIP_RETCODE SCIPreoptnodeDelete(SCIP_REOPTNODE **reoptnode, BMS_BLKMEM *blkmem)
Definition: reopt.c:7958
Definition: struct_var.h:207
SCIP_RETCODE SCIPreoptFree(SCIP_REOPT **reopt, SCIP_SET *set, SCIP_PRIMAL *origprimal, BMS_BLKMEM *blkmem)
Definition: reopt.c:5151
int SCIPreoptGetNLeaves(SCIP_REOPT *reopt, SCIP_NODE *node)
Definition: reopt.c:5931
SCIP_RETCODE SCIPreoptGetLeaves(SCIP_REOPT *reopt, SCIP_NODE *node, unsigned int *leaves, int leavessize, int *nleaves)
Definition: reopt.c:6418
SCIP_RETCODE SCIPreoptApply(SCIP_REOPT *reopt, SCIP *scip, SCIP_SET *set, SCIP_STAT *stat, SCIP_PROB *transprob, SCIP_PROB *origprob, SCIP_TREE *tree, SCIP_LP *lp, SCIP_BRANCHCAND *branchcand, SCIP_EVENTQUEUE *eventqueue, SCIP_CLIQUETABLE *cliquetable, BMS_BLKMEM *blkmem, SCIP_REOPTNODE *reoptnode, unsigned int id, SCIP_Real estimate, SCIP_NODE **childnodes, int *ncreatedchilds, int *naddedconss, int childnodessize, SCIP_Bool *success)
Definition: reopt.c:7296
Definition: struct_primal.h:46
Definition: struct_sepastore.h:48
SCIP_RETCODE SCIPreoptGetSolsRun(SCIP_REOPT *reopt, int run, SCIP_SOL **sols, int solssize, int *nsols)
Definition: reopt.c:5497
Definition: struct_event.h:188
SCIP_RETCODE SCIPreoptAddDualBndchg(SCIP_REOPT *reopt, SCIP_SET *set, BMS_BLKMEM *blkmem, SCIP_NODE *node, SCIP_VAR *var, SCIP_Real newval, SCIP_Real oldval)
Definition: reopt.c:6257
type definitions for global SCIP settings
SCIP_Real SCIPreoptGetSimilarity(SCIP_REOPT *reopt, SCIP_SET *set, int run1, int run2, SCIP_VAR **origvars, int norigvars)
Definition: reopt.c:5651
SCIP_RETCODE SCIPreoptAddSol(SCIP_REOPT *reopt, SCIP_SET *set, SCIP_STAT *stat, SCIP_PRIMAL *origprimal, BMS_BLKMEM *blkmem, SCIP_SOL *sol, SCIP_Bool bestsol, SCIP_Bool *added, SCIP_VAR **vars, int nvars, int run)
Definition: reopt.c:5301
SCIP_RETCODE SCIPreoptAddOptSol(SCIP_REOPT *reopt, SCIP_SOL *sol, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_PRIMAL *origprimal, SCIP_VAR **vars, int nvars)
Definition: reopt.c:5354
SCIP_RETCODE SCIPreoptApplyCuts(SCIP_REOPT *reopt, SCIP_NODE *node, SCIP_SEPASTORE *sepastore, SCIP_CUTPOOL *cutpool, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_EVENTQUEUE *eventqueue, SCIP_EVENTFILTER *eventfilter, SCIP_LP *lp, SCIP_Bool root)
Definition: reopt.c:7730
Definition: struct_reopt.h:93
Definition: struct_prob.h:48
public methods for reoptimization
type definitions for return codes for SCIP methods
SCIP_Real SCIPreoptGetOldObjCoef(SCIP_REOPT *reopt, int run, int idx)
Definition: reopt.c:5698
type definitions for collecting reoptimization information
type definitions for branching rules
Definition: struct_tree.h:141
type definitions for problem statistics
int SCIPreoptGetNDualBndchgs(SCIP_REOPT *reopt, SCIP_NODE *node)
Definition: reopt.c:6347
Definition: struct_sol.h:73
Definition: struct_set.h:72
void SCIPreoptnodeGetPath(SCIP_REOPT *reopt, SCIP_REOPTNODE *reoptnode, SCIP_VAR **vars, SCIP_Real *vals, SCIP_BOUNDTYPE *boundtypes, int varssize, int *nbndchgs, int *nbndchgsafterdual)
Definition: reopt.c:7217
void SCIPreoptnodeInit(SCIP_REOPTNODE *reoptnode, SCIP_SET *set)
Definition: reopt.c:7907
SCIP_SOL * SCIPreoptGetLastBestSol(SCIP_REOPT *reopt)
Definition: reopt.c:5670
SCIP_RETCODE SCIPreoptnodeAddCons(SCIP_REOPTNODE *reoptnode, SCIP_SET *set, BMS_BLKMEM *blkmem, SCIP_VAR **vars, SCIP_Real *bounds, SCIP_BOUNDTYPE *boundtypes, SCIP_Real lhs, SCIP_Real rhs, int nvars, REOPT_CONSTYPE constype, SCIP_Bool linear)
Definition: reopt.c:8000
SCIP_RETCODE SCIPreoptResetActiveConss(SCIP_REOPT *reopt, SCIP_SET *set, SCIP_STAT *stat)
Definition: reopt.c:8269
Definition: struct_cons.h:46
SCIP_RETCODE SCIPreoptSaveOpenNodes(SCIP_REOPT *reopt, SCIP_SET *set, SCIP_LP *lp, BMS_BLKMEM *blkmem, SCIP_NODE **leaves, int nleaves, SCIP_NODE **childs, int nchilds, SCIP_NODE **siblings, int nsiblings)
Definition: reopt.c:6481
type definitions for storing cuts in a cut pool
SCIP_RETCODE SCIPreoptCreate(SCIP_REOPT **reopt, SCIP_SET *set, BMS_BLKMEM *blkmem)
Definition: reopt.c:5043
SCIP_RETCODE SCIPreoptResetDualBndchgs(SCIP_REOPT *reopt, SCIP_NODE *node, BMS_BLKMEM *blkmem)
Definition: reopt.c:7192
int SCIPreoptGetNNodes(SCIP_REOPT *reopt, SCIP_NODE *node)
Definition: reopt.c:5781
type definitions for storing separated cuts
SCIP_RETCODE SCIPreoptCheckRestart(SCIP_REOPT *reopt, SCIP_SET *set, BMS_BLKMEM *blkmem, SCIP_NODE *node, SCIP_VAR **transvars, int ntransvars, SCIP_Bool *restart)
Definition: reopt.c:5564
data structures for collecting reoptimization information
void SCIPreoptAddNImprovingSols(SCIP_REOPT *reopt, int nimprovingsols)
Definition: reopt.c:5456
SCIP_RETCODE SCIPreoptDeleteNode(SCIP_REOPT *reopt, SCIP_SET *set, unsigned int id, BMS_BLKMEM *blkmem)
Definition: reopt.c:7276
Definition: struct_cutpool.h:58
SCIP_RETCODE SCIPreoptnodeAddBndchg(SCIP_REOPTNODE *reoptnode, SCIP_SET *set, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real val, SCIP_BOUNDTYPE boundtype)
Definition: reopt.c:7972
SCIP_RETCODE SCIPreoptUpdateVarHistory(SCIP_REOPT *reopt, SCIP_SET *set, SCIP_STAT *stat, BMS_BLKMEM *blkmem, SCIP_VAR **vars, int nvars)
Definition: reopt.c:6623
Definition: struct_reopt.h:139
SCIP_RETCODE SCIPreoptSaveActiveConss(SCIP_REOPT *reopt, SCIP_SET *set, SCIP_PROB *transprob, BMS_BLKMEM *blkmem)
Definition: reopt.c:8180
datastructures for branching and inference history
int SCIPreoptGetNAddedConss(SCIP_REOPT *reopt, SCIP_NODE *node)
Definition: reopt.c:5277
type definitions for storing and manipulating the main problem
SCIP_RETCODE SCIPreoptReset(SCIP_REOPT *reopt, SCIP_SET *set, BMS_BLKMEM *blkmem)
Definition: reopt.c:5726
SCIP_RETCODE SCIPreoptGetChildIDs(SCIP_REOPT *reopt, SCIP_SET *set, BMS_BLKMEM *blkmem, SCIP_NODE *node, unsigned int *childs, int childssize, int *nchilds)
Definition: reopt.c:6367
SCIP_RETCODE SCIPreoptCheckCutoff(SCIP_REOPT *reopt, SCIP_SET *set, BMS_BLKMEM *blkmem, SCIP_NODE *node, SCIP_EVENTTYPE eventtype, SCIP_LP *lp, SCIP_LPSOLSTAT lpsolstat, SCIP_Bool isrootnode, SCIP_Bool isfocusnode, SCIP_Real lowerbound, int effectiverootdepth)
Definition: reopt.c:5989
SCIP_RETCODE SCIPreoptInstallBounds(SCIP_REOPT *reopt, SCIP_SET *set, SCIP_STAT *stat, SCIP_PROB *transprob, SCIP_LP *lp, SCIP_BRANCHCAND *branchcand, SCIP_EVENTQUEUE *eventqueue, SCIP_CLIQUETABLE *cliquetable, BMS_BLKMEM *blkmem)
Definition: reopt.c:8220
Definition: struct_lp.h:269
Definition: struct_implics.h:97
datastructures for problem variables
SCIP_RETCODE SCIPreoptAddRun(SCIP_REOPT *reopt, SCIP_SET *set, BMS_BLKMEM *blkmem, SCIP_VAR **origvars, int norigvars, int size)
Definition: reopt.c:5389
SCIP_RETCODE SCIPreoptnodeReset(SCIP_REOPT *reopt, SCIP_SET *set, BMS_BLKMEM *blkmem, SCIP_REOPTNODE *reoptnode)
Definition: reopt.c:7940
void SCIPreoptAddNCheckedSols(SCIP_REOPT *reopt, int ncheckedsols)
Definition: reopt.c:5435
Definition: struct_stat.h:59
SCIP_RETCODE SCIPreoptAddInfNode(SCIP_REOPT *reopt, SCIP_SET *set, BMS_BLKMEM *blkmem, SCIP_NODE *node)
Definition: reopt.c:5965
Definition: struct_tree.h:184
type definitions for collecting primal CIP solutions and primal informations
common defines and data types used in all packages of SCIP
Definition: struct_event.h:223
Definition: objbenders.h:43
SCIP_RETCODE SCIPreoptSaveGlobalBounds(SCIP_REOPT *reopt, SCIP_PROB *transprob, BMS_BLKMEM *blkmem)
Definition: reopt.c:8143
Definition: struct_branch.h:46
SCIP_RETCODE SCIPreoptAddGlbCons(SCIP_REOPT *reopt, SCIP_VAR **vars, SCIP_Real *vals, int nvars, BMS_BLKMEM *blkmem)
SCIP_RETCODE SCIPreoptSplitRoot(SCIP_REOPT *reopt, SCIP_TREE *tree, SCIP_SET *set, SCIP_STAT *stat, BMS_BLKMEM *blkmem, int *ncreatedchilds, int *naddedconss)
Definition: reopt.c:6894
SCIP_RETCODE SCIPreoptApplyGlbConss(SCIP *scip, SCIP_REOPT *reopt, SCIP_SET *set, SCIP_STAT *stat, BMS_BLKMEM *blkmem)
Definition: reopt.c:7608
memory allocation routines