SFCGAL::detail::Interval Class Reference

Represents an interval. More...

#include <Interval.h>

Public Member Functions
	Interval ()
	default constructor (empty interval)
	Interval (const double &value)
	collapsed interval constructor
	Interval (const double &v1, const double &v2)
	constructor with two values
	Interval (const Interval &other)
	copy constructor
Interval &	operator= (const Interval &other)
	assign operator
bool	isEmpty () const
	indicates if the interval is empty
const double &	lower () const
	returns the lower value
const double &	upper () const
	returns the upper value
double	width () const
	returns the with of the interval
void	expandBy (const double &d)
	expand the interval
void	expandToInclude (const Interval &other)
	expand the interval to include an other interval.
void	expandToInclude (const double &value)
	expand the interval to include a value
bool	intersects (const Interval &other) const
	test if this intersects other
bool	operator== (const Interval &other) const
	compare two intervals
bool	operator!= (const Interval &other) const
	compare two intervals

Detailed Description

Represents an interval.

Constructor & Destructor Documentation

Interval() [1/4]

SFCGAL::detail::Interval::Interval

(

)

default constructor (empty interval)

Interval() [2/4]

SFCGAL::detail::Interval::Interval

(

const double &

value

)

collapsed interval constructor

Interval() [3/4]

SFCGAL::detail::Interval::Interval	(	const double &	v1,
		const double &	v2 )

constructor with two values

Interval() [4/4]

SFCGAL::detail::Interval::Interval ( const Interval & other )

default

copy constructor

Member Function Documentation

expandBy()

void SFCGAL::detail::Interval::expandBy

(

const double &

d

)

expand the interval

Warning

no effect if isEmpty()

expandToInclude() [1/2]

void SFCGAL::detail::Interval::expandToInclude

(

const double &

value

)

expand the interval to include a value

Warning

no effect if value is NaN

expandToInclude() [2/2]

void SFCGAL::detail::Interval::expandToInclude

(

const Interval &

other

)

expand the interval to include an other interval.

Warning

no effect if other.isEmpty()

intersects()

auto SFCGAL::detail::Interval::intersects

(

const Interval &

other

)

const

test if this intersects other

isEmpty()

auto SFCGAL::detail::Interval::isEmpty

(

)

const

indicates if the interval is empty

lower()

const double & SFCGAL::detail::Interval::lower ( ) const

inline

returns the lower value

operator!=()

auto SFCGAL::detail::Interval::operator!=

(

const Interval &

other

)

const

compare two intervals

Warning

false for empty intervals

operator=()

auto SFCGAL::detail::Interval::operator= ( const Interval & other )

default

assign operator

operator==()

auto SFCGAL::detail::Interval::operator==

(

const Interval &

other

)

const

compare two intervals

Warning

true for empty intervals

upper()

const double & SFCGAL::detail::Interval::upper ( ) const

inline

returns the upper value

width()

double SFCGAL::detail::Interval::width ( ) const

inline

returns the with of the interval