Gecode::Int::GCC Namespace Reference

Global cardinality propagators (Counting). More...

Classes
class	UnReachable
	Class for computing unreachable values in the value GCC propagator. More...
class	Rank
	Maps domain bounds to their position in hall[].bounds. More...
class	MaxInc
	Compares two indices i, j of two views according to the ascending order of the views upper bounds. More...
class	MinInc
	Compares two indices i, j of two views according to the ascending order of the views lower bounds. More...
class	MinIdx
	Compares two cardinality views according to the index. More...
class	PartialSum
	Partial sum structure for constant time computation of the maximal capacity of an interval. More...
class	HallInfo
	Container class provding information about the Hall structure of the problem variables. More...
class	Node
	Base class for nodes in the variable-value-graph. More...
class	VarNode
	Variable node More...
class	ValNode
	Value node. More...
class	Edge
	Class for edges in the variable-value-graph. More...
class	VarValGraph
	Variable-value-graph used during propagation. More...
class	CardLess
	Sort by increasing cardinality More...
class	CardConst
	Constant view containing lower and upper cardinality bounds. More...
class	CardView
	Cardinality integer view. More...
class	Val
	Value consistent global cardinality propagator. More...
class	Bnd
	Bounds consistent global cardinality propagator. More...
class	Dom
	Domain consistent global cardinality propagator. More...
Enumerations
enum	BC { UBC = 1, LBC = 0 }
	Bounds constraint (BC) type. More...
Functions
template<class Card >
ExecStatus	prop_card (Space &home, ViewArray< IntView > &x, ViewArray< Card > &k)
	Bounds consistency check for cardinality variables.
template<class Card >
bool	card_consistent (ViewArray< IntView > &x, ViewArray< Card > &k)
	Consistency check, whether the cardinality values are feasible.
template<class Card >
ExecStatus	postSideConstraints (Home home, ViewArray< IntView > &x, ViewArray< Card > &k)
	Post side constraints for the GCC.
template<class Card >
bool	isDistinct (ViewArray< IntView > &x, ViewArray< Card > &k)
	Check if GCC is equivalent to distinct.
template<class Card >
ExecStatus	prop_val (Space &home, Propagator &p, ViewArray< IntView > &x, ViewArray< Card > &k)
template<class T >
bool	lookupValue (T &a, int v, int &i)
	Return index of v in array a.
Path compression
Each of the nodes on the path from start to end becomes a direct child of to.
void	pathset_ps (HallInfo hall[], int start, int end, int to)
	Path compression for potentially stable set structure.
void	pathset_s (HallInfo hall[], int start, int end, int to)
	Path compression for stable set structure.
void	pathset_t (HallInfo hall[], int start, int end, int to)
	Path compression for capacity pointer structure.
void	pathset_h (HallInfo hall[], int start, int end, int to)
	Path compression for hall pointer structure.
Path minimum
Returns the smalles reachable index starting from i.
int	pathmin_h (const HallInfo hall[], int i)
	Path minimum for hall pointer structure.
int	pathmin_t (const HallInfo hall[], int i)
	Path minimum for capacity pointer structure.
Path maximum
Returns the greatest reachable index starting from i.
int	pathmax_h (const HallInfo hall[], int i)
	Path maximum for hall pointer structure.
int	pathmax_t (const HallInfo hall[], int i)
	Path maximum for capacity pointer structure.
int	pathmax_s (const HallInfo hall[], int i)
	Path maximum for stable set pointer structure.
int	pathmax_ps (const HallInfo hall[], int i)
	Path maximum for potentially stable set pointer structure.

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Detailed Description

Global cardinality propagators (Counting).

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Enumeration Type Documentation

enum Gecode::Int::GCC::BC

Bounds constraint (BC) type.

If BC = UBC, then we argue about the Upper Bounds Constraint else we use the functions for the Lower Bounds Constraint

Enumerator:

UBC
LBC

Definition at line 48 of file dom-sup.hpp.

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Function Documentation

void Gecode::Int::GCC::pathset_ps	(	HallInfo	hall[],
		int	start,
		int	end,
		int	to
	)			[inline]

Path compression for potentially stable set structure.

Definition at line 507 of file bnd-sup.hpp.

void Gecode::Int::GCC::pathset_s	(	HallInfo	hall[],
		int	start,
		int	end,
		int	to
	)			[inline]

Path compression for stable set structure.

Definition at line 515 of file bnd-sup.hpp.

void Gecode::Int::GCC::pathset_t	(	HallInfo	hall[],
		int	start,
		int	end,
		int	to
	)			[inline]

Path compression for capacity pointer structure.

Definition at line 523 of file bnd-sup.hpp.

void Gecode::Int::GCC::pathset_h	(	HallInfo	hall[],
		int	start,
		int	end,
		int	to
	)			[inline]

Path compression for hall pointer structure.

Definition at line 531 of file bnd-sup.hpp.

int Gecode::Int::GCC::pathmin_h	(	const HallInfo	hall[],
		int	i
	)			[inline]

Path minimum for hall pointer structure.

Definition at line 549 of file bnd-sup.hpp.

int Gecode::Int::GCC::pathmin_t	(	const HallInfo	hall[],
		int	i
	)			[inline]

Path minimum for capacity pointer structure.

Definition at line 556 of file bnd-sup.hpp.

int Gecode::Int::GCC::pathmax_h	(	const HallInfo	hall[],
		int	i
	)			[inline]

Path maximum for hall pointer structure.

Definition at line 572 of file bnd-sup.hpp.

int Gecode::Int::GCC::pathmax_t	(	const HallInfo	hall[],
		int	i
	)			[inline]

Path maximum for capacity pointer structure.

Definition at line 579 of file bnd-sup.hpp.

int Gecode::Int::GCC::pathmax_s	(	const HallInfo	hall[],
		int	i
	)			[inline]

Path maximum for stable set pointer structure.

Definition at line 587 of file bnd-sup.hpp.

int Gecode::Int::GCC::pathmax_ps	(	const HallInfo	hall[],
		int	i
	)			[inline]

Path maximum for potentially stable set pointer structure.

Definition at line 594 of file bnd-sup.hpp.

template<class Card >

ExecStatus Gecode::Int::GCC::postSideConstraints	(	Home	home,
		ViewArray< IntView > &	x,
		ViewArray< Card > &	k
	)			[inline]

Post side constraints for the GCC.

Definition at line 60 of file post.hpp.

template<class Card >

bool Gecode::Int::GCC::isDistinct	(	ViewArray< IntView > &	x,
		ViewArray< Card > &	k
	)			[inline]

Check if GCC is equivalent to distinct.

Definition at line 138 of file post.hpp.

template<class Card >

ExecStatus Gecode::Int::GCC::prop_val	(	Space &	home,
		Propagator &	p,
		ViewArray< IntView > &	x,
		ViewArray< Card > &	k
	)			[inline]

Definition at line 92 of file val.hpp.

template<class T >

bool Gecode::Int::GCC::lookupValue	(	T &	a,
		int	v,
		int &	i
	)			[inline]

Return index of v in array a.

Definition at line 45 of file view.hpp.