BlossomGraph

Detailed Description

Definition at line 167 of file perfect_matching.h.

Classes
struct	Edge
struct	Node

Public Member Functions
	DEFINE_STRONG_INT_TYPE (NodeIndex, int)
	DEFINE_STRONG_INT_TYPE (EdgeIndex, int)
	DEFINE_STRONG_INT_TYPE (CostValue, int64_t)
	BlossomGraph (int num_nodes)
void	AddEdge (NodeIndex tail, NodeIndex head, CostValue cost)
ABSL_MUST_USE_RESULT bool	Initialize ()
void	PrimalUpdates ()
CostValue	ComputeMaxCommonTreeDualDeltaAndResetPrimalEdgeQueue ()
void	UpdateAllTrees (CostValue delta)
bool	NodeIsMatched (NodeIndex n) const
NodeIndex	Match (NodeIndex n) const
void	Grow (EdgeIndex e, NodeIndex tail, NodeIndex head)
void	Augment (EdgeIndex e)
void	Shrink (EdgeIndex e)
void	Expand (NodeIndex to_expand)
int	NumMatched () const
CostValue	DualObjective () const
void	ExpandAllBlossoms ()
CostValue	Slack (const Edge &edge) const
CostValue	Dual (const Node &node) const
void	DisplayStats () const
void	DebugCheckNoPossiblePrimalUpdates ()
bool	DebugDualsAreFeasible () const
void	DebugUpdateNodeDual (NodeIndex n, CostValue delta)
bool	DebugEdgeIsTightAndExternal (const Edge &edge) const
const Edge &	GetEdge (int e) const
const Node &	GetNode (int n) const
std::string	NodeDebugString (NodeIndex n) const
std::string	EdgeDebugString (EdgeIndex e) const
std::string	DebugString () const

Static Public Attributes
static const NodeIndex	kNoNodeIndex
static const EdgeIndex	kNoEdgeIndex
static const CostValue	kMaxCostValue

Constructor & Destructor Documentation

BlossomGraph()

BlossomGraph ( int  num_nodes )

explicit

Definition at line 120 of file perfect_matching.cc.

Member Function Documentation

AddEdge()

void AddEdge	(	NodeIndex	tail,
		NodeIndex	head,
		CostValue	cost
	)

Definition at line 130 of file perfect_matching.cc.

Augment()

void Augment

(

EdgeIndex

e

)

Definition at line 551 of file perfect_matching.cc.

ComputeMaxCommonTreeDualDeltaAndResetPrimalEdgeQueue()

CostValue ComputeMaxCommonTreeDualDeltaAndResetPrimalEdgeQueue

(

)

Definition at line 263 of file perfect_matching.cc.

DebugCheckNoPossiblePrimalUpdates()

void DebugCheckNoPossiblePrimalUpdates

(

)

Definition at line 351 of file perfect_matching.cc.

DebugDualsAreFeasible()

bool DebugDualsAreFeasible

(

)

const

Definition at line 454 of file perfect_matching.cc.

DebugEdgeIsTightAndExternal()

bool DebugEdgeIsTightAndExternal

(

const Edge &

edge

)

const

Definition at line 467 of file perfect_matching.cc.

DebugString()

std::string DebugString

(

)

const

Definition at line 1207 of file perfect_matching.cc.

DebugUpdateNodeDual()

void DebugUpdateNodeDual	(	NodeIndex	n,
		CostValue	delta
	)

Definition at line 1218 of file perfect_matching.cc.

DEFINE_STRONG_INT_TYPE() [1/3]

DEFINE_STRONG_INT_TYPE	(	CostValue	,
		int64_t
	)

DEFINE_STRONG_INT_TYPE() [2/3]

DEFINE_STRONG_INT_TYPE	(	EdgeIndex	,
		int
	)

DEFINE_STRONG_INT_TYPE() [3/3]

DEFINE_STRONG_INT_TYPE	(	NodeIndex	,
		int
	)

DisplayStats()

void DisplayStats

(

)

const

Definition at line 1271 of file perfect_matching.cc.

Dual()

CostValue Dual

(

const Node &

node

)

const

Definition at line 1250 of file perfect_matching.cc.

DualObjective()

CostValue DualObjective

(

)

const

Definition at line 1259 of file perfect_matching.cc.

EdgeDebugString()

std::string EdgeDebugString

(

EdgeIndex

e

)

const

Definition at line 1197 of file perfect_matching.cc.

Expand()

void Expand

(

NodeIndex

to_expand

)

Definition at line 849 of file perfect_matching.cc.

ExpandAllBlossoms()

void ExpandAllBlossoms

(

)

Definition at line 1058 of file perfect_matching.cc.

GetEdge()

const Edge & GetEdge ( int  e ) const

inline

Definition at line 392 of file perfect_matching.h.

GetNode()

const Node & GetNode ( int  n ) const

inline

Definition at line 393 of file perfect_matching.h.

Grow()

void Grow	(	EdgeIndex	e,
		NodeIndex	tail,
		NodeIndex	head
	)

Definition at line 474 of file perfect_matching.cc.

Initialize()

bool Initialize

(

)

Definition at line 147 of file perfect_matching.cc.

Match()

NodeIndex Match

(

NodeIndex

n

)

const

Definition at line 340 of file perfect_matching.cc.

NodeDebugString()

std::string NodeDebugString

(

NodeIndex

n

)

const

Definition at line 1181 of file perfect_matching.cc.

NodeIsMatched()

bool NodeIsMatched

(

NodeIndex

n

)

const

Definition at line 333 of file perfect_matching.cc.

NumMatched()

int NumMatched ( ) const

inline

Definition at line 354 of file perfect_matching.h.

PrimalUpdates()

void PrimalUpdates

(

)

Definition at line 385 of file perfect_matching.cc.

Shrink()

void Shrink

(

EdgeIndex

e

)

Definition at line 654 of file perfect_matching.cc.

Slack()

CostValue Slack

(

const Edge &

edge

)

const

Definition at line 1232 of file perfect_matching.cc.

UpdateAllTrees()

void UpdateAllTrees

(

CostValue

delta

)

Definition at line 313 of file perfect_matching.cc.

Member Data Documentation

kMaxCostValue

const BlossomGraph::CostValue kMaxCostValue

static

Initial value:

=
    BlossomGraph::CostValue(std::numeric_limits<int64_t>::max())

Definition at line 179 of file perfect_matching.h.

kNoEdgeIndex

const BlossomGraph::EdgeIndex kNoEdgeIndex

static

Initial value:

=
    BlossomGraph::EdgeIndex(-1)

Definition at line 178 of file perfect_matching.h.

kNoNodeIndex

const BlossomGraph::NodeIndex kNoNodeIndex

static

Initial value:

=
    BlossomGraph::NodeIndex(-1)

Definition at line 177 of file perfect_matching.h.

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

• perfect_matching.h
• perfect_matching.cc