Scippy

SCIP

Solving Constraint Integer Programs

Data Fields
SCIP_Tree Struct Reference

Detailed Description

branch and bound tree

Definition at line 173 of file struct_tree.h.

#include <struct_tree.h>

Data Fields

SCIP_NODE * root
 
SCIP_NODEPQ * leaves
 
SCIP_NODE ** path
 
SCIP_NODE * focusnode
 
SCIP_NODE * focuslpfork
 
SCIP_NODE * focuslpstatefork
 
SCIP_NODE * focussubroot
 
SCIP_NODE * probingroot
 
SCIP_NODE ** children
 
SCIP_NODE ** siblings
 
SCIP_Real * childrenprio
 
SCIP_Real * siblingsprio
 
SCIP_VAR ** divebdchgvars [2]
 
SCIP_BRANCHDIR * divebdchgdirs [2]
 
SCIP_Real * divebdchgvals [2]
 
int * pathnlpcols
 
int * pathnlprows
 
SCIP_LPISTATE * probinglpistate
 
SCIP_LPISTATE * focuslpistate
 
SCIP_LPINORMS * probinglpinorms
 
SCIP_PENDINGBDCHG * pendingbdchgs
 
SCIP_Real * probdiverelaxsol
 
SCIP_Longint focuslpstateforklpcount
 
int divebdchgsize [2]
 
int ndivebdchanges [2]
 
int pendingbdchgssize
 
int npendingbdchgs
 
int childrensize
 
int nchildren
 
int siblingssize
 
int nsiblings
 
int pathlen
 
int pathsize
 
int effectiverootdepth
 
int appliedeffectiverootdepth
 
int correctlpdepth
 
int cutoffdepth
 
int repropdepth
 
int repropsubtreecount
 
int probingsumchgdobjs
 
SCIP_Bool focusnodehaslp
 
SCIP_Bool probingnodehaslp
 
SCIP_Bool focuslpconstructed
 
SCIP_Bool cutoffdelayed
 
SCIP_Bool probinglpwasflushed
 
SCIP_Bool probinglpwassolved
 
SCIP_Bool probingloadlpistate
 
SCIP_Bool probinglpwasrelax
 
SCIP_Bool probingsolvedlp
 
SCIP_Bool forcinglpmessage
 
SCIP_Bool probingobjchanged
 
SCIP_Bool sbprobing
 
SCIP_Bool probinglpwasprimfeas
 
SCIP_Bool probinglpwasprimchecked
 
SCIP_Bool probinglpwasdualfeas
 
SCIP_Bool probinglpwasdualchecked
 
SCIP_Bool probdiverelaxstored
 
SCIP_Bool probdiverelaxincludeslp
 

Field Documentation

◆ root

SCIP_NODE* SCIP_Tree::root

root node of the tree

Definition at line 175 of file struct_tree.h.

Referenced by compressReoptTree(), conflictAddConflictCons(), focusnodeCleanupVars(), focusnodeToFork(), nodeToLeaf(), SCIPchgVarLb(), SCIPchgVarLbGlobal(), SCIPchgVarUb(), SCIPchgVarUbGlobal(), SCIPinferVarLbCons(), SCIPinferVarLbProp(), SCIPinferVarUbCons(), SCIPinferVarUbProp(), SCIPnodeAddBoundinfer(), SCIPnodeAddCons(), SCIPnodeAddHoleinfer(), SCIPnodeCutoff(), SCIPnodeFocus(), SCIPnodeFree(), SCIPshrinkDisjunctiveVarSet(), SCIPsolveCIP(), SCIPtightenVarLb(), SCIPtightenVarLbGlobal(), SCIPtightenVarUb(), SCIPtightenVarUbGlobal(), SCIPtreeClear(), SCIPtreeCreatePresolvingRoot(), SCIPtreeCreateRoot(), SCIPtreeCutoff(), SCIPtreeFreePresolvingRoot(), SCIPtreeGetRootNode(), solveNodeLP(), tightenSingleVar(), and treeFindSwitchForks().

◆ leaves

SCIP_NODEPQ* SCIP_Tree::leaves

leaves of the tree

Definition at line 176 of file struct_tree.h.

Referenced by nodeToLeaf(), SCIPgetLeaves(), SCIPgetNLeaves(), SCIPgetOpenNodesData(), SCIPnodeFocus(), SCIPtreeClear(), SCIPtreeCutoff(), SCIPtreeGetAvgLowerbound(), SCIPtreeGetBestChild(), SCIPtreeGetBestLeaf(), SCIPtreeGetBestNode(), SCIPtreeGetBestSibling(), SCIPtreeGetLowerbound(), SCIPtreeGetLowerboundNode(), SCIPtreeGetNLeaves(), SCIPtreeGetNodesel(), and SCIPtreeSetNodesel().

◆ path

SCIP_NODE** SCIP_Tree::path

array of nodes storing the active path from root to current node, which is usually the focus or a probing node; in case of a cut off, the path may already end earlier

Definition at line 177 of file struct_tree.h.

Referenced by conflictAddConflictCons(), conflictAddConflictset(), conflictAnalyze(), conflictAnalyzeDualProof(), conflictCreateReconvergenceConss(), createAndAddProofcons(), nodeAssignParent(), SCIPconflictFlushConss(), SCIPnodeAddBoundinfer(), SCIPnodeCreateChild(), SCIPnodeFocus(), SCIPnodeMarkPropagated(), SCIPtreeEndProbing(), SCIPtreeGetCurrentDepth(), SCIPtreeGetCurrentNode(), SCIPtreeGetFocusDepth(), SCIPtreeGetFocusNode(), SCIPtreeGetProbingRoot(), SCIPtreeIsPathComplete(), SCIPtreeLoadLP(), SCIPtreeLoadLPState(), SCIPtreeProbing(), tightenSingleVar(), treeBacktrackProbing(), treeCheckPath(), treeCreateProbingNode(), treeEnsurePathMem(), treeFindSwitchForks(), treeSwitchPath(), treeUpdatePathLPSize(), and updatePseudocost().

◆ focusnode

SCIP_NODE* SCIP_Tree::focusnode

focus node: the node that is stored together with its children and siblings in the tree data structure; the focus node is the currently processed node; it doesn't need to be active all the time, because it may be cut off and the active path stops at the cut off node

Definition at line 180 of file struct_tree.h.

Referenced by focusnodeCleanupVars(), focusnodeToDeadend(), focusnodeToFork(), focusnodeToJunction(), focusnodeToLeaf(), focusnodeToPseudofork(), forkCreate(), forkFree(), junctionInit(), nodeAssignParent(), nodeRepropagate(), nodeToLeaf(), pseudoforkCreate(), SCIPbranchruleExecExternSol(), SCIPbranchruleExecLPSol(), SCIPbranchruleExecPseudoSol(), SCIPendDive(), SCIPinitConssLP(), SCIPnodeAddBoundinfer(), SCIPnodeAddHoleinfer(), SCIPnodeCreateChild(), SCIPnodeCutoff(), SCIPnodeFocus(), SCIPnodeFree(), SCIPsolveCIP(), SCIPtreeBranchVar(), SCIPtreeBranchVarHole(), SCIPtreeBranchVarNary(), SCIPtreeCalcChildEstimate(), SCIPtreeClear(), SCIPtreeCreatePresolvingRoot(), SCIPtreeCreateRoot(), SCIPtreeCutoff(), SCIPtreeEndProbing(), SCIPtreeFreePresolvingRoot(), SCIPtreeGetAvgLowerbound(), SCIPtreeGetCurrentDepth(), SCIPtreeGetCurrentNode(), SCIPtreeGetFocusDepth(), SCIPtreeGetFocusNode(), SCIPtreeGetLowerbound(), SCIPtreeInRepropagation(), SCIPtreeIsPathComplete(), SCIPtreeLoadLP(), SCIPtreeLoadLPState(), solveNodeLP(), treeBacktrackProbing(), and treeFindSwitchForks().

◆ focuslpfork

SCIP_NODE* SCIP_Tree::focuslpfork

LP defining pseudofork/fork/subroot of the focus node

Definition at line 184 of file struct_tree.h.

Referenced by nodeRepropagate(), SCIPnodeFocus(), SCIPtreeLoadLP(), and treeFindSwitchForks().

◆ focuslpstatefork

SCIP_NODE* SCIP_Tree::focuslpstatefork

LP state defining fork/subroot of the focus node

Definition at line 185 of file struct_tree.h.

Referenced by focusnodeToDeadend(), focusnodeToFork(), focusnodeToJunction(), focusnodeToPseudofork(), junctionInit(), nodeRepropagate(), pseudoforkCreate(), SCIPnodeFocus(), SCIPnodeFree(), SCIPprimalHeuristics(), SCIPtreeLoadLP(), SCIPtreeLoadLPState(), treeFindSwitchForks(), and updatePseudocost().

◆ focussubroot

SCIP_NODE* SCIP_Tree::focussubroot

subroot of the focus node's sub tree

Definition at line 186 of file struct_tree.h.

Referenced by nodeRepropagate(), SCIPnodeFocus(), SCIPtreeLoadLP(), and treeFindSwitchForks().

◆ probingroot

SCIP_NODE* SCIP_Tree::probingroot

root node of the current probing path, or NULL

Definition at line 187 of file struct_tree.h.

Referenced by SCIPnodeAddBoundinfer(), SCIPnodeAddHoleinfer(), SCIPnodeFree(), SCIPtreeCreateProbingNode(), SCIPtreeEndProbing(), SCIPtreeGetProbingDepth(), SCIPtreeGetProbingRoot(), SCIPtreeProbing(), treeBacktrackProbing(), and treeCreateProbingNode().

◆ children

SCIP_NODE** SCIP_Tree::children

array with children of the focus node

Definition at line 188 of file struct_tree.h.

Referenced by SCIPgetChildren(), SCIPgetOpenNodesData(), SCIPnodeFocus(), SCIPnodeFree(), SCIPtreeCreateRoot(), SCIPtreeCutoff(), SCIPtreeGetAvgLowerbound(), SCIPtreeGetBestChild(), SCIPtreeGetLowerbound(), SCIPtreeGetLowerboundNode(), SCIPtreeGetPrioChild(), treeAddChild(), treeChildrenToSiblings(), treeEnsureChildrenMem(), and treeRemoveChild().

◆ siblings

SCIP_NODE** SCIP_Tree::siblings

array with siblings of the focus node

Definition at line 189 of file struct_tree.h.

Referenced by SCIPgetOpenNodesData(), SCIPgetSiblings(), SCIPnodeFocus(), SCIPnodeFree(), SCIPtreeCutoff(), SCIPtreeGetAvgLowerbound(), SCIPtreeGetBestSibling(), SCIPtreeGetLowerbound(), SCIPtreeGetLowerboundNode(), SCIPtreeGetPrioSibling(), treeChildrenToSiblings(), and treeRemoveSibling().

◆ childrenprio

SCIP_Real* SCIP_Tree::childrenprio

array with node selection priorities of children

Definition at line 190 of file struct_tree.h.

Referenced by SCIPchildChgNodeselPrio(), SCIPtreeGetLowerboundNode(), SCIPtreeGetPrioChild(), treeAddChild(), treeChildrenToSiblings(), treeEnsureChildrenMem(), and treeRemoveChild().

◆ siblingsprio

SCIP_Real* SCIP_Tree::siblingsprio

array with node selection priorities of siblings

Definition at line 191 of file struct_tree.h.

Referenced by SCIPtreeGetLowerboundNode(), SCIPtreeGetPrioSibling(), treeChildrenToSiblings(), and treeRemoveSibling().

◆ divebdchgvars

SCIP_VAR** SCIP_Tree::divebdchgvars[2]

two arrays to store variables for branching

Definition at line 192 of file struct_tree.h.

Referenced by SCIPtreeAddDiveBoundChange(), and SCIPtreeGetDiveBoundChangeData().

◆ divebdchgdirs

SCIP_BRANCHDIR* SCIP_Tree::divebdchgdirs[2]

arrays to hold the directions for diving

Definition at line 193 of file struct_tree.h.

Referenced by SCIPtreeAddDiveBoundChange(), and SCIPtreeGetDiveBoundChangeData().

◆ divebdchgvals

SCIP_Real* SCIP_Tree::divebdchgvals[2]

arrays to store bound change values for diving

Definition at line 194 of file struct_tree.h.

Referenced by SCIPtreeAddDiveBoundChange(), and SCIPtreeGetDiveBoundChangeData().

◆ pathnlpcols

int* SCIP_Tree::pathnlpcols

array with number of LP columns for each problem in active path (except newly added columns of the focus node and the current probing node)

Definition at line 195 of file struct_tree.h.

Referenced by SCIPnodeFocus(), SCIPtreeLoadLP(), SCIPtreeLoadLPState(), treeBacktrackProbing(), treeCheckPath(), treeCreateProbingNode(), treeEnsurePathMem(), and treeUpdatePathLPSize().

◆ pathnlprows

int* SCIP_Tree::pathnlprows

array with number of LP rows for each problem in active path (except newly added rows of the focus node and the current probing node)

Definition at line 197 of file struct_tree.h.

Referenced by SCIPconstructCurrentLP(), SCIPnodeFocus(), SCIPtreeLoadLP(), SCIPtreeLoadLPState(), treeBacktrackProbing(), treeCheckPath(), treeCreateProbingNode(), treeEnsurePathMem(), and treeUpdatePathLPSize().

◆ probinglpistate

SCIP_LPISTATE* SCIP_Tree::probinglpistate

LP state information before probing started

Definition at line 199 of file struct_tree.h.

Referenced by SCIPtreeEndProbing(), SCIPtreeLoadProbingLPState(), and SCIPtreeStartProbing().

◆ focuslpistate

SCIP_LPISTATE* SCIP_Tree::focuslpistate

LP state information of focus node

Definition at line 200 of file struct_tree.h.

◆ probinglpinorms

SCIP_LPINORMS* SCIP_Tree::probinglpinorms

LP pricing norms information before probing started

Definition at line 201 of file struct_tree.h.

Referenced by SCIPtreeEndProbing(), SCIPtreeLoadProbingLPState(), and SCIPtreeStartProbing().

◆ pendingbdchgs

SCIP_PENDINGBDCHG* SCIP_Tree::pendingbdchgs

array of pending bound changes, or NULL

Definition at line 202 of file struct_tree.h.

Referenced by SCIPtreeClear(), treeAddPendingBdchg(), treeApplyPendingBdchgs(), and treeEnsurePendingbdchgsMem().

◆ probdiverelaxsol

SCIP_Real* SCIP_Tree::probdiverelaxsol

array with stored original relaxation solution during diving or probing

Definition at line 203 of file struct_tree.h.

Referenced by SCIPtreeRestoreRelaxSol(), and SCIPtreeStoreRelaxSol().

◆ focuslpstateforklpcount

SCIP_Longint SCIP_Tree::focuslpstateforklpcount

LP number of last solved LP in current LP state fork, or -1 if unknown

Definition at line 204 of file struct_tree.h.

Referenced by nodeRepropagate(), SCIPnodeAddBoundinfer(), SCIPnodeFocus(), SCIPtreeClear(), and SCIPtreeLoadLPState().

◆ divebdchgsize

int SCIP_Tree::divebdchgsize[2]

holds the two sizes of the dive bound change information

Definition at line 205 of file struct_tree.h.

Referenced by SCIPtreeAddDiveBoundChange().

◆ ndivebdchanges

int SCIP_Tree::ndivebdchanges[2]

current number of stored dive bound changes for the next depth

Definition at line 206 of file struct_tree.h.

Referenced by SCIPtreeAddDiveBoundChange(), SCIPtreeClearDiveBoundChanges(), and SCIPtreeGetDiveBoundChangeData().

◆ pendingbdchgssize

int SCIP_Tree::pendingbdchgssize

size of pendingbdchgs array

Definition at line 207 of file struct_tree.h.

Referenced by treeEnsurePendingbdchgsMem().

◆ npendingbdchgs

int SCIP_Tree::npendingbdchgs

number of pending bound changes

Definition at line 208 of file struct_tree.h.

Referenced by SCIPshrinkDisjunctiveVarSet(), SCIPtreeClear(), treeAddPendingBdchg(), and treeApplyPendingBdchgs().

◆ childrensize

int SCIP_Tree::childrensize

available slots in children vector

Definition at line 209 of file struct_tree.h.

Referenced by treeChildrenToSiblings(), and treeEnsureChildrenMem().

◆ nchildren

int SCIP_Tree::nchildren

number of children of focus node (number of used slots in children vector)

Definition at line 210 of file struct_tree.h.

Referenced by enforceConstraints(), focusnodeToDeadend(), focusnodeToFork(), focusnodeToPseudofork(), forkCreate(), forkFree(), junctionInit(), nodeRepropagate(), propAndSolve(), pseudoforkCreate(), SCIPbranchExecExtern(), SCIPbranchruleExecExternSol(), SCIPbranchruleExecLPSol(), SCIPbranchruleExecPseudoSol(), SCIPconshdlrEnforceLPSol(), SCIPconshdlrEnforcePseudoSol(), SCIPconshdlrEnforceRelaxSol(), SCIPgetChildren(), SCIPgetNChildren(), SCIPnodeFocus(), SCIPnodeFree(), SCIPsolveCIP(), SCIPtreeClear(), SCIPtreeCreatePresolvingRoot(), SCIPtreeCreateRoot(), SCIPtreeCutoff(), SCIPtreeGetAvgLowerbound(), SCIPtreeGetBestChild(), SCIPtreeGetLowerbound(), SCIPtreeGetLowerboundNode(), SCIPtreeGetNChildren(), SCIPtreeGetNNodes(), SCIPtreeGetPrioChild(), solveNode(), treeAddChild(), treeChildrenToSiblings(), treeRemoveChild(), and updateLoopStatus().

◆ siblingssize

int SCIP_Tree::siblingssize

available slots in siblings vector

Definition at line 211 of file struct_tree.h.

Referenced by treeChildrenToSiblings().

◆ nsiblings

int SCIP_Tree::nsiblings

number of siblings of focus node (number of used slots in siblings vector)

Definition at line 212 of file struct_tree.h.

Referenced by nodeRepropagate(), SCIPgetNSiblings(), SCIPgetSiblings(), SCIPnodeFocus(), SCIPnodeFree(), SCIPsolveCIP(), SCIPtreeClear(), SCIPtreeCreatePresolvingRoot(), SCIPtreeCreateRoot(), SCIPtreeCutoff(), SCIPtreeGetAvgLowerbound(), SCIPtreeGetBestSibling(), SCIPtreeGetLowerbound(), SCIPtreeGetLowerboundNode(), SCIPtreeGetNNodes(), SCIPtreeGetNSiblings(), SCIPtreeGetPrioSibling(), solveNode(), treeChildrenToSiblings(), and treeRemoveSibling().

◆ pathlen

int SCIP_Tree::pathlen

length of the current path

Definition at line 213 of file struct_tree.h.

Referenced by conflictAddConflictset(), conflictAnalyze(), conflictCreateReconvergenceConss(), conflictsetCalcInsertDepth(), nodeAssignParent(), SCIPconflictFlushConss(), SCIPnodeCreateChild(), SCIPnodeFocus(), SCIPnodeMarkPropagated(), SCIPtreeClear(), SCIPtreeCreateProbingNode(), SCIPtreeEndProbing(), SCIPtreeFreePresolvingRoot(), SCIPtreeGetCurrentDepth(), SCIPtreeGetCurrentNode(), SCIPtreeGetFocusDepth(), SCIPtreeGetFocusNode(), SCIPtreeGetProbingRoot(), SCIPtreeIsPathComplete(), SCIPtreeLoadLP(), SCIPtreeLoadLPState(), SCIPtreeProbing(), SCIPtreeStartProbing(), treeBacktrackProbing(), treeCheckPath(), treeCreateProbingNode(), treeFindSwitchForks(), treeSwitchPath(), and treeUpdatePathLPSize().

◆ pathsize

int SCIP_Tree::pathsize

number of available slots in path arrays

Definition at line 214 of file struct_tree.h.

Referenced by treeEnsurePathMem().

◆ effectiverootdepth

int SCIP_Tree::effectiverootdepth

first depth with node with at least two children

Definition at line 215 of file struct_tree.h.

Referenced by nodeReleaseParent(), nodeToLeaf(), SCIPnodeAddBoundinfer(), SCIPnodeAddCons(), SCIPnodeAddHoleinfer(), SCIPnodeCutoff(), SCIPnodeFocus(), SCIPsolveCIP(), SCIPtreeClear(), SCIPtreeCutoff(), SCIPtreeGetEffectiveRootDepth(), solveNodeLP(), and treeApplyPendingBdchgs().

◆ appliedeffectiverootdepth

int SCIP_Tree::appliedeffectiverootdepth

the effective root depth which was already enforced (that is constraint and bound changes were made global)

Definition at line 216 of file struct_tree.h.

Referenced by SCIPnodeFocus(), and SCIPtreeClear().

◆ correctlpdepth

int SCIP_Tree::correctlpdepth

depth to which current LP data corresponds to LP data of active path

Definition at line 217 of file struct_tree.h.

Referenced by SCIPconstructCurrentLP(), SCIPnodeFocus(), SCIPtreeClear(), SCIPtreeLoadLP(), and SCIPtreeLoadLPState().

◆ cutoffdepth

int SCIP_Tree::cutoffdepth

depth of first node in active path that is marked being cutoff

Definition at line 218 of file struct_tree.h.

Referenced by propagationRound(), propAndSolve(), SCIPgetCutoffdepth(), SCIPnodeCutoff(), SCIPnodeFocus(), SCIPtreeClear(), treeApplyPendingBdchgs(), treeBacktrackProbing(), treeFindSwitchForks(), and updateLoopStatus().

◆ repropdepth

int SCIP_Tree::repropdepth

depth of first node in active path that has to be propagated again

Definition at line 219 of file struct_tree.h.

Referenced by SCIPgetRepropdepth(), SCIPnodeMarkPropagated(), SCIPnodePropagateAgain(), SCIPtreeClear(), treeBacktrackProbing(), and treeFindSwitchForks().

◆ repropsubtreecount

int SCIP_Tree::repropsubtreecount

cyclicly increased counter to create markers for subtree repropagation

Definition at line 220 of file struct_tree.h.

Referenced by nodeRepropagate(), SCIPtreeClear(), and treeNextRepropsubtreecount().

◆ probingsumchgdobjs

int SCIP_Tree::probingsumchgdobjs

number of changed objective coefficients in all probing nodes

Definition at line 221 of file struct_tree.h.

Referenced by SCIPchgVarObjProbing(), SCIPpropagateProbing(), SCIPtreeEndProbing(), SCIPtreeStartProbing(), and treeBacktrackProbing().

◆ focusnodehaslp

SCIP_Bool SCIP_Tree::focusnodehaslp

is LP being processed in the focus node?

Definition at line 222 of file struct_tree.h.

Referenced by nodeRepropagate(), SCIPnodeFocus(), SCIPtreeBranchVar(), SCIPtreeBranchVarHole(), SCIPtreeBranchVarNary(), SCIPtreeClear(), SCIPtreeEndProbing(), SCIPtreeHasFocusNodeLP(), and SCIPtreeSetFocusNodeLP().

◆ probingnodehaslp

SCIP_Bool SCIP_Tree::probingnodehaslp

was the LP solved (at least once) in the current probing node?

Definition at line 223 of file struct_tree.h.

Referenced by SCIPtreeClear(), SCIPtreeHasCurrentNodeLP(), SCIPtreeMarkProbingNodeHasLP(), and treeCreateProbingNode().

◆ focuslpconstructed

SCIP_Bool SCIP_Tree::focuslpconstructed

was the LP of the focus node already constructed?

Definition at line 224 of file struct_tree.h.

Referenced by SCIPnodeFocus(), SCIPtreeEndProbing(), SCIPtreeIsFocusNodeLPConstructed(), SCIPtreeLoadLP(), SCIPtreeLoadLPState(), treeBacktrackProbing(), treeCheckPath(), and treeUpdatePathLPSize().

◆ cutoffdelayed

SCIP_Bool SCIP_Tree::cutoffdelayed

the treeCutoff() call was delayed because of diving and has to be executed

Definition at line 225 of file struct_tree.h.

Referenced by SCIPendDive(), SCIPsolveCIP(), SCIPtreeClear(), and SCIPtreeCutoff().

◆ probinglpwasflushed

SCIP_Bool SCIP_Tree::probinglpwasflushed

was the LP flushed before we entered the probing mode?

Definition at line 226 of file struct_tree.h.

Referenced by SCIPtreeClear(), SCIPtreeEndProbing(), and SCIPtreeStartProbing().

◆ probinglpwassolved

SCIP_Bool SCIP_Tree::probinglpwassolved

was the LP solved before we entered the probing mode?

Definition at line 227 of file struct_tree.h.

Referenced by SCIPtreeClear(), SCIPtreeEndProbing(), and SCIPtreeStartProbing().

◆ probingloadlpistate

SCIP_Bool SCIP_Tree::probingloadlpistate

must the LP state be reloaded because of a backtrack in probing?

Definition at line 228 of file struct_tree.h.

Referenced by SCIPtreeClear(), SCIPtreeEndProbing(), SCIPtreeLoadProbingLPState(), SCIPtreeSetProbingLPState(), SCIPtreeStartProbing(), and treeBacktrackProbing().

◆ probinglpwasrelax

SCIP_Bool SCIP_Tree::probinglpwasrelax

was the LP a valid relaxation before we entered the probing mode?

Definition at line 229 of file struct_tree.h.

Referenced by SCIPtreeClear(), SCIPtreeEndProbing(), and SCIPtreeStartProbing().

◆ probingsolvedlp

SCIP_Bool SCIP_Tree::probingsolvedlp

was the LP solved during probing mode, i.e., was SCIPsolveProbingLP() called?

Definition at line 230 of file struct_tree.h.

Referenced by SCIPtreeClear(), SCIPtreeEndProbing(), SCIPtreeStartProbing(), and solveProbingLP().

◆ forcinglpmessage

SCIP_Bool SCIP_Tree::forcinglpmessage

was forcing LP solving message be posted

Definition at line 231 of file struct_tree.h.

Referenced by solveNode().

◆ probingobjchanged

SCIP_Bool SCIP_Tree::probingobjchanged

was the objective function changed during probing?

Definition at line 232 of file struct_tree.h.

Referenced by SCIPpropagateProbing(), SCIPtreeEndProbing(), SCIPtreeMarkProbingObjChanged(), SCIPtreeProbingObjChanged(), SCIPtreeStartProbing(), solveProbingLP(), and treeBacktrackProbing().

◆ sbprobing

SCIP_Bool SCIP_Tree::sbprobing

is the probing mode used for strong branching?

Definition at line 233 of file struct_tree.h.

Referenced by propagationRound(), SCIPtreeEndProbing(), and SCIPtreeStartProbing().

◆ probinglpwasprimfeas

SCIP_Bool SCIP_Tree::probinglpwasprimfeas

primal feasibility when probing started

Definition at line 234 of file struct_tree.h.

Referenced by SCIPtreeEndProbing(), SCIPtreeLoadProbingLPState(), and SCIPtreeStartProbing().

◆ probinglpwasprimchecked

SCIP_Bool SCIP_Tree::probinglpwasprimchecked

primal feasibility has been checked when probing started

Definition at line 235 of file struct_tree.h.

Referenced by SCIPtreeEndProbing(), SCIPtreeLoadProbingLPState(), and SCIPtreeStartProbing().

◆ probinglpwasdualfeas

SCIP_Bool SCIP_Tree::probinglpwasdualfeas

dual feasibility when probing started

Definition at line 236 of file struct_tree.h.

Referenced by SCIPtreeEndProbing(), SCIPtreeLoadProbingLPState(), and SCIPtreeStartProbing().

◆ probinglpwasdualchecked

SCIP_Bool SCIP_Tree::probinglpwasdualchecked

dual feasibility has been check when probing started

Definition at line 237 of file struct_tree.h.

Referenced by SCIPtreeEndProbing(), SCIPtreeLoadProbingLPState(), and SCIPtreeStartProbing().

◆ probdiverelaxstored

SCIP_Bool SCIP_Tree::probdiverelaxstored

was a relax solution stored before diving or probing ?

Definition at line 238 of file struct_tree.h.

Referenced by SCIPendDive(), SCIPtreeEndProbing(), SCIPtreeRestoreRelaxSol(), and SCIPtreeStoreRelaxSol().

◆ probdiverelaxincludeslp

SCIP_Bool SCIP_Tree::probdiverelaxincludeslp

did the stored relaxation solution include all lp cuts ?

Definition at line 239 of file struct_tree.h.

Referenced by SCIPtreeRestoreRelaxSol(), and SCIPtreeStoreRelaxSol().