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Gecode::Int::BinPacking::ConflictGraph Class Reference

Graph containing conflict information. More...

#include <bin-packing.hh>

List of all members.

Classes

class  Clique
 Clique information. More...
class  Node
 Class for node in graph. More...
class  Nodes
 Iterator over node sets. More...
class  NodeSet
 Sets of graph nodes. More...

Public Member Functions

 ConflictGraph (Space &home, Region &r, const IntVarArgs &b, int m)
 Initialize graph.
void edge (int i, int j, bool add=true)
 Add or remove an edge between nodes i and j (i must be less than j).
bool adjacent (int i, int j) const
 Test whether nodes i and j are adjacent.
ExecStatus post (void)
 Post additional constraints.
IntSet maxclique (void) const
 Return maximal clique found.
 ~ConflictGraph (void)
 Destructor.

Protected Member Functions

int nodes (void) const
 Return number of nodes.

Protected Attributes

Spacehome
 Home space.
const IntVarArgsb
 Bin variables.
unsigned int bins
 Number of bins.
Nodenode
 The nodes in the graph.

Managing cliques



Clique cur
 Current clique.
Clique max
 Largest clique so far.
ExecStatus clique (void)
 Report the current clique.
ExecStatus clique (int i)
 Found a clique of node i.
ExecStatus clique (int i, int j)
 Found a clique of nodes i and j.
ExecStatus clique (int i, int j, int k)
 Found a clique of nodes i, j, and k.

Routines for Bosch-Kerbron algorithm



int pivot (const NodeSet &a, const NodeSet &b) const
 Find a pivot node with maximal degree from a or b.
ExecStatus bk (NodeSet &p, NodeSet &x)
 Run Bosch-Kerbron algorithm for finding max cliques.

Detailed Description

Graph containing conflict information.

Definition at line 183 of file bin-packing.hh.


Constructor & Destructor Documentation

Gecode::Int::BinPacking::ConflictGraph::ConflictGraph ( Space home,
Region r,
const IntVarArgs b,
int  m 
) [inline]

Initialize graph.

Definition at line 143 of file conflict-graph.hpp.

Gecode::Int::BinPacking::ConflictGraph::~ConflictGraph ( void   )  [inline]

Destructor.

Definition at line 156 of file conflict-graph.hpp.


Member Function Documentation

int Gecode::Int::BinPacking::ConflictGraph::nodes ( void   )  const [inline, protected]

Return number of nodes.

Definition at line 46 of file conflict-graph.hpp.

int Gecode::Int::BinPacking::ConflictGraph::pivot ( const NodeSet a,
const NodeSet b 
) const [inline, protected]

Find a pivot node with maximal degree from a or b.

Definition at line 179 of file conflict-graph.hpp.

ExecStatus Gecode::Int::BinPacking::ConflictGraph::bk ( NodeSet p,
NodeSet x 
) [protected]

Run Bosch-Kerbron algorithm for finding max cliques.

Definition at line 42 of file conflict-graph.cpp.

ExecStatus Gecode::Int::BinPacking::ConflictGraph::clique ( void   )  [inline, protected]

Report the current clique.

Definition at line 205 of file conflict-graph.hpp.

ExecStatus Gecode::Int::BinPacking::ConflictGraph::clique ( int  i  )  [inline, protected]

Found a clique of node i.

Definition at line 222 of file conflict-graph.hpp.

ExecStatus Gecode::Int::BinPacking::ConflictGraph::clique ( int  i,
int  j 
) [inline, protected]

Found a clique of nodes i and j.

Definition at line 231 of file conflict-graph.hpp.

ExecStatus Gecode::Int::BinPacking::ConflictGraph::clique ( int  i,
int  j,
int  k 
) [inline, protected]

Found a clique of nodes i, j, and k.

Definition at line 244 of file conflict-graph.hpp.

void Gecode::Int::BinPacking::ConflictGraph::edge ( int  i,
int  j,
bool  add = true 
) [inline]

Add or remove an edge between nodes i and j (i must be less than j).

Definition at line 160 of file conflict-graph.hpp.

bool Gecode::Int::BinPacking::ConflictGraph::adjacent ( int  i,
int  j 
) const [inline]

Test whether nodes i and j are adjacent.

Definition at line 173 of file conflict-graph.hpp.

ExecStatus Gecode::Int::BinPacking::ConflictGraph::post ( void   )  [inline]

Post additional constraints.

Definition at line 260 of file conflict-graph.hpp.

IntSet Gecode::Int::BinPacking::ConflictGraph::maxclique ( void   )  const [inline]

Return maximal clique found.

Definition at line 333 of file conflict-graph.hpp.


Member Data Documentation

Home space.

Definition at line 186 of file bin-packing.hh.

Bin variables.

Definition at line 188 of file bin-packing.hh.

Number of bins.

Definition at line 190 of file bin-packing.hh.

The nodes in the graph.

Definition at line 241 of file bin-packing.hh.

Current clique.

Definition at line 295 of file bin-packing.hh.

Largest clique so far.

Definition at line 297 of file bin-packing.hh.


The documentation for this class was generated from the following files: