Gecode::Float::ScaleView Class Reference
[Float views]

Scale float view. More...

#include <view.hpp>

List of all members.

Protected Attributes
FloatVal	a
	Scale factor.
Related Functions
(Note that these are not member functions.)
template<class Char , class Traits >
std::basic_ostream< Char, Traits > &	operator<< (std::basic_ostream< Char, Traits > &os, const ScaleView &x)
	Print scale view.
Constructors and initialization

	ScaleView (void)
	Default constructor.
	ScaleView (FloatVal b, const FloatView &y)
	Initialize as $b\cdot y$ .
Value access

FloatVal	domain (void) const
	Return domain.
FloatVal	scale (void) const
	Return scale factor of scale view.
FloatNum	min (void) const
	Return minimum of domain.
FloatNum	max (void) const
	Return maximum of domain.
FloatNum	med (void) const
	Return median of domain (closest representation).
FloatVal	val (void) const
	Return assigned value.
FloatNum	size (void) const
	Return size of domain (distance between maximum and minimum).
Domain tests

bool	zero_in (void) const
	Test whether 0 is contained in domain.
bool	in (FloatNum n) const
	Test whether n is contained in domain.
bool	in (const FloatVal &n) const
	Test whether n is contained in domain.
Domain update by value

ModEvent	lq (Space &home, int n)
	Restrict domain values to be less or equal than n.
ModEvent	lq (Space &home, FloatNum n)
	Restrict domain values to be less or equal than n.
ModEvent	lq (Space &home, FloatVal n)
	Restrict domain values to be less or equal than n.
ModEvent	gq (Space &home, int n)
	Restrict domain values to be greater or equal than n.
ModEvent	gq (Space &home, FloatNum n)
	Restrict domain values to be greater or equal than n.
ModEvent	gq (Space &home, FloatVal n)
	Restrict domain values to be greater or equal than n.
ModEvent	eq (Space &home, int n)
	Restrict domain values to be equal to n.
ModEvent	eq (Space &home, FloatNum n)
	Restrict domain values to be equal to n.
ModEvent	eq (Space &home, const FloatVal &n)
	Restrict domain values to be equal to n.
Delta information for advisors

FloatNum	min (const Delta &d) const
	Return minimum value just pruned.
FloatNum	max (const Delta &d) const
	Return maximum value just pruned.
Cloning

void	update (Space &home, ScaleView &y)
Ordering

bool	operator< (const ScaleView &y) const
	Whether this view comes before view y (arbitray order).
View-dependent propagator support

static ModEventDelta	med (ModEvent me)
	Translate modification event me to modification event delta for view.
View comparison

bool	operator== (const ScaleView &x, const ScaleView &y)
	Test whether views x and y are the same.
bool	operator!= (const ScaleView &x, const ScaleView &y)
	Test whether views x and y are not the same.

Detailed Description

Scale float view.

A scale float view $s$ for a float view $x$ and a non-negative float $a$ provides operations such that $s$ behaves as $a\cdot x$ .

Definition at line 395 of file view.hpp.

Constructor & Destructor Documentation

Gecode::Float::ScaleView::ScaleView ( void ) [inline]

Default constructor.

Definition at line 43 of file scale.hpp.

Gecode::Float::ScaleView::ScaleView	(	FloatVal	b,
		const FloatView &	y
	)			`[inline]`

Initialize as $b\cdot y$ .

Definition at line 45 of file scale.hpp.

Member Function Documentation

FloatVal Gecode::Float::ScaleView::domain ( void ) const [inline]

Return domain.

Definition at line 58 of file scale.hpp.

FloatVal Gecode::Float::ScaleView::scale ( void ) const [inline]

Return scale factor of scale view.

Definition at line 54 of file scale.hpp.

FloatNum Gecode::Float::ScaleView::min ( void ) const [inline]

Return minimum of domain.

Definition at line 62 of file scale.hpp.

FloatNum Gecode::Float::ScaleView::max ( void ) const [inline]

Return maximum of domain.

Definition at line 66 of file scale.hpp.

FloatNum Gecode::Float::ScaleView::med ( void ) const [inline]

Return median of domain (closest representation).

Definition at line 70 of file scale.hpp.

FloatVal Gecode::Float::ScaleView::val ( void ) const [inline]

Return assigned value.

Throws an exception of type Float::ValOfUnassignedVar if variable is not yet assigned.

Definition at line 74 of file scale.hpp.

FloatNum Gecode::Float::ScaleView::size ( void ) const [inline]

Return size of domain (distance between maximum and minimum).

Definition at line 79 of file scale.hpp.

bool Gecode::Float::ScaleView::zero_in ( void ) const [inline]

Test whether 0 is contained in domain.

Definition at line 89 of file scale.hpp.

bool Gecode::Float::ScaleView::in ( FloatNum n ) const [inline]

Test whether n is contained in domain.

Definition at line 93 of file scale.hpp.

bool Gecode::Float::ScaleView::in ( const FloatVal & n ) const [inline]

Test whether n is contained in domain.

Definition at line 97 of file scale.hpp.

ModEvent Gecode::Float::ScaleView::lq	(	Space &	home,
		int	n
	)			`[inline]`

Restrict domain values to be less or equal than n.

Definition at line 107 of file scale.hpp.

ModEvent Gecode::Float::ScaleView::lq	(	Space &	home,
		FloatNum	n
	)			`[inline]`

Restrict domain values to be less or equal than n.

Definition at line 112 of file scale.hpp.

ModEvent Gecode::Float::ScaleView::lq	(	Space &	home,
		FloatVal	n
	)			`[inline]`

Restrict domain values to be less or equal than n.

Definition at line 117 of file scale.hpp.

ModEvent Gecode::Float::ScaleView::gq	(	Space &	home,
		int	n
	)			`[inline]`

Restrict domain values to be greater or equal than n.

Definition at line 123 of file scale.hpp.

ModEvent Gecode::Float::ScaleView::gq	(	Space &	home,
		FloatNum	n
	)			`[inline]`

Restrict domain values to be greater or equal than n.

Definition at line 128 of file scale.hpp.

ModEvent Gecode::Float::ScaleView::gq	(	Space &	home,
		FloatVal	n
	)			`[inline]`

Restrict domain values to be greater or equal than n.

Definition at line 133 of file scale.hpp.

ModEvent Gecode::Float::ScaleView::eq	(	Space &	home,
		int	n
	)			`[inline]`

Restrict domain values to be equal to n.

Definition at line 139 of file scale.hpp.

ModEvent Gecode::Float::ScaleView::eq	(	Space &	home,
		FloatNum	n
	)			`[inline]`

Restrict domain values to be equal to n.

Definition at line 144 of file scale.hpp.

ModEvent Gecode::Float::ScaleView::eq	(	Space &	home,
		const FloatVal &	n
	)			`[inline]`

Restrict domain values to be equal to n.

Definition at line 149 of file scale.hpp.

FloatNum Gecode::Float::ScaleView::min ( const Delta & d ) const [inline]

Return minimum value just pruned.

Definition at line 160 of file scale.hpp.

FloatNum Gecode::Float::ScaleView::max ( const Delta & d ) const [inline]

Return maximum value just pruned.

Definition at line 164 of file scale.hpp.

ModEventDelta Gecode::Float::ScaleView::med ( ModEvent me ) [inline, static]

Translate modification event me to modification event delta for view.

Reimplemented from Gecode::DerivedView< FloatView >.

Definition at line 169 of file scale.hpp.

void Gecode::Float::ScaleView::update	(	Space &	home,
		ScaleView &	y
	)			`[inline]`

Definition at line 179 of file scale.hpp.

bool Gecode::Float::ScaleView::operator< ( const ScaleView & y ) const [inline]

Whether this view comes before view y (arbitray order).

Definition at line 189 of file scale.hpp.

Friends And Related Function Documentation

template<class Char , class Traits >

std::basic_ostream< Char, Traits > & operator<<	(	std::basic_ostream< Char, Traits > &	os,
		const ScaleView &	x
	)			`[related]`

Print scale view.

Definition at line 76 of file print.hpp.

bool operator==	(	const ScaleView &	x,
		const ScaleView &	y
	)			`[related]`

Test whether views x and y are the same.

Definition at line 200 of file scale.hpp.

bool operator!=	(	const ScaleView &	x,
		const ScaleView &	y
	)			`[related]`

Test whether views x and y are not the same.

Definition at line 204 of file scale.hpp.

Member Data Documentation

FloatVal Gecode::Float::ScaleView::a [protected]

Scale factor.

Definition at line 399 of file view.hpp.

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

gecode/float/view.hpp
gecode/float/view/scale.hpp

Gecode::Float::ScaleView Class Reference [Float views]

Protected Attributes

Related Functions

Constructors and initialization

Value access

Domain tests

Domain update by value

Delta information for advisors

Cloning

Ordering

View-dependent propagator support

View comparison

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation

Gecode::Float::ScaleView Class Reference
[Float views]