Gecode::FloatVarBranch Class Reference
[Branching on float variables]

Which variable to select for branching. More...

#include <float.hh>

Public Types
enum	Select { SEL_NONE = 0, SEL_RND, SEL_MERIT_MIN, SEL_MERIT_MAX, SEL_DEGREE_MIN, SEL_DEGREE_MAX, SEL_AFC_MIN, SEL_AFC_MAX, SEL_ACTIVITY_MIN, SEL_ACTIVITY_MAX, SEL_MIN_MIN, SEL_MIN_MAX, SEL_MAX_MIN, SEL_MAX_MAX, SEL_SIZE_MIN, SEL_SIZE_MAX, SEL_DEGREE_SIZE_MIN, SEL_DEGREE_SIZE_MAX, SEL_AFC_SIZE_MIN, SEL_AFC_SIZE_MAX, SEL_ACTIVITY_SIZE_MIN, SEL_ACTIVITY_SIZE_MAX }
	Which variable selection. More...
Public Member Functions
	FloatVarBranch (void)
	Initialize with strategy SEL_NONE.
	FloatVarBranch (Rnd r)
	Initialize with random number generator r.
	FloatVarBranch (Select s, BranchTbl t)
	Initialize with selection strategy s and tie-break limit function t.
	FloatVarBranch (Select s, double, BranchTbl t)
	Initialize with selection strategy s, decay factor d, and tie-break limit function t.
	FloatVarBranch (Select s, AFC a, BranchTbl t)
	Initialize with selection strategy s, AFC a, and tie-break limit function t.
	FloatVarBranch (Select s, Activity a, BranchTbl t)
	Initialize with selection strategy s, activity a, and tie-break limit function t.
	FloatVarBranch (Select s, VoidFunction mf, BranchTbl t)
	Initialize with selection strategy s, branch merit function mf, and tie-break limit function t.
Select	select (void) const
	Return selection strategy.
void	expand (Home home, const FloatVarArgs &x)
	Expand decay factor into AFC or activity.
Protected Attributes
Select	s
	Which variable to select.

Detailed Description

Which variable to select for branching.

Definition at line 1516 of file float.hh.

Member Enumeration Documentation

enum Gecode::FloatVarBranch::Select

Which variable selection.

Enumerator:

SEL_NONE	First unassigned.
SEL_RND	Random (uniform, for tie breaking).
SEL_MERIT_MIN	With least merit.
SEL_MERIT_MAX	With highest merit.
SEL_DEGREE_MIN	With smallest degree.
SEL_DEGREE_MAX	With largest degree.
SEL_AFC_MIN	With smallest accumulated failure count.
SEL_AFC_MAX	With largest accumulated failure count.
SEL_ACTIVITY_MIN	With lowest activity.
SEL_ACTIVITY_MAX	With highest activity.
SEL_MIN_MIN	With smallest min.
SEL_MIN_MAX	With largest min.
SEL_MAX_MIN	With smallest max.
SEL_MAX_MAX	With largest max.
SEL_SIZE_MIN	With smallest domain size.
SEL_SIZE_MAX	With largest domain size.
SEL_DEGREE_SIZE_MIN	With smallest degree divided by domain size.
SEL_DEGREE_SIZE_MAX	With largest degree divided by domain size.
SEL_AFC_SIZE_MIN	With smallest accumulated failure count divided by domain size.
SEL_AFC_SIZE_MAX	With largest accumulated failure count divided by domain size.
SEL_ACTIVITY_SIZE_MIN	With smallest activity divided by domain size.
SEL_ACTIVITY_SIZE_MAX	With largest activity divided by domain size.

Definition at line 1519 of file float.hh.

Constructor & Destructor Documentation

Gecode::FloatVarBranch::FloatVarBranch ( void ) [inline]

Initialize with strategy SEL_NONE.

Definition at line 41 of file var.hpp.

Gecode::FloatVarBranch::FloatVarBranch ( Rnd r ) [inline]

Initialize with random number generator r.

Definition at line 49 of file var.hpp.

Gecode::FloatVarBranch::FloatVarBranch	(	Select	s,
		BranchTbl	t
	)			`[inline]`

Initialize with selection strategy s and tie-break limit function t.

Definition at line 45 of file var.hpp.

Gecode::FloatVarBranch::FloatVarBranch	(	Select	s,
		double	d,
		BranchTbl	t
	)			`[inline]`

Initialize with selection strategy s, decay factor d, and tie-break limit function t.

Definition at line 53 of file var.hpp.

Gecode::FloatVarBranch::FloatVarBranch	(	Select	s,
		AFC	a,
		BranchTbl	t
	)			`[inline]`

Initialize with selection strategy s, AFC a, and tie-break limit function t.

Definition at line 57 of file var.hpp.

Gecode::FloatVarBranch::FloatVarBranch	(	Select	s,
		Activity	a,
		BranchTbl	t
	)			`[inline]`

Initialize with selection strategy s, activity a, and tie-break limit function t.

Definition at line 61 of file var.hpp.

Gecode::FloatVarBranch::FloatVarBranch	(	Select	s,
		VoidFunction	mf,
		BranchTbl	t
	)			`[inline]`

Initialize with selection strategy s, branch merit function mf, and tie-break limit function t.

Definition at line 65 of file var.hpp.

Member Function Documentation

FloatVarBranch::Select Gecode::FloatVarBranch::select ( void ) const [inline]

Return selection strategy.

Definition at line 69 of file var.hpp.

void Gecode::FloatVarBranch::expand	(	Home	home,
		const FloatVarArgs &	x
	)			`[inline]`

Expand decay factor into AFC or activity.

Definition at line 74 of file var.hpp.

Member Data Documentation

Select Gecode::FloatVarBranch::s [protected]

Which variable to select.

Definition at line 1545 of file float.hh.

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

gecode/float.hh (Revision: 14241)
gecode/float/branch/var.hpp (Revision: 13313)

Gecode::FloatVarBranch Class Reference [Branching on float variables]

Public Types