xal.tools.math

Class ClosedInterval

java.lang.Object

xal.tools.math.Interval

xal.tools.math.ClosedInterval

All Implemented Interfaces:

java.io.Serializable

public class ClosedInterval
extends Interval

Represents a closed interval of the real line.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ClosedInterval() Default constructor - creates a new instance of Interval with one point, the origin.
ClosedInterval(double pt) Initializing constructor - creates a single point (zero length) interval given by the value of the argument pt.
ClosedInterval(double min, double max) Initializing constructor - create a new open interval with specified endpoints.
ClosedInterval(Interval I) Copy constructor - create a new open interval initialized to the argument.

Method Summary

Modifier and Type	Method and Description
boolean	contains(ClosedInterval I) Is the given interval a subset of this interval.
boolean	equals(ClosedInterval I) Are intervals equal
boolean	intersect(ClosedInterval I) Is there a nonzero intersection between this interval and the argument.
boolean	membership(double x) Is point a member of the open interval
java.lang.String	toString() Return the contents of the interval as a String.

Methods inherited from class xal.tools.math.Interval

containsAE, convexHull, createFromEndpoints, createFromMidpoint, equals, getMax, getMin, intersection, intersects, isBoundary, measure, midpoint, print, println, setMax, setMin, vertexCoordinates

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ClosedInterval

public ClosedInterval()

Default constructor - creates a new instance of Interval with one point, the origin.

ClosedInterval

public ClosedInterval(double pt)

Initializing constructor - creates a single point (zero length) interval given by the value of the argument pt.

Parameters:

pt - The single point contained in the interval

ClosedInterval

public ClosedInterval(double min,
                      double max)
               throws MathException

Initializing constructor - create a new open interval with specified endpoints.

Parameters:

min - left endpoint

max - right endpoint

Throws:

MathException - max is smaller than min

ClosedInterval

public ClosedInterval(Interval I)
               throws MathException

Copy constructor - create a new open interval initialized to the argument.

Parameters:

I - interval to copy

Throws:

MathException - malformed interval to copy

Method Detail

membership

public boolean membership(double x)

Is point a member of the open interval

Overrides:

membership in class Interval

Parameters:

x - point to test for membership

Returns:

true if x is in interval

intersect

public boolean intersect(ClosedInterval I)

Is there a nonzero intersection between this interval and the argument.

Parameters:

I - interval to be tested

Returns:

true if the intervals intersect

contains

public boolean contains(ClosedInterval I)

Is the given interval a subset of this interval.

Parameters:

I - interval under test

Returns:

true if I⊂this, false otherwise.

Since:

Apr 27, 2011

equals

public boolean equals(ClosedInterval I)

Are intervals equal

Parameters:

I - interval object to be checked for equality

Returns:

true if both objects are equal as intervals

toString

public java.lang.String toString()

Return the contents of the interval as a String. return string representation of interval

Overrides:

toString in class Interval

See Also:

Object.toString()