org.apache.commons.math3.geometry.euclidean.twod

Class DiskGenerator

java.lang.Object

org.apache.commons.math3.geometry.euclidean.twod.DiskGenerator

All Implemented Interfaces:

SupportBallGenerator<Euclidean2D,Vector2D>

public class DiskGenerator
extends java.lang.Object
implements SupportBallGenerator<Euclidean2D,Vector2D>

Class generating an enclosing ball from its support points.

Since:

3.3

Constructor Summary

Constructors

Constructor and Description
DiskGenerator()

Method Summary

Methods

Modifier and Type	Method and Description
EnclosingBall<Euclidean2D,Vector2D>	ballOnSupport(java.util.List<Vector2D> support) Create a ball whose boundary lies on prescribed support points.
private BigFraction	minor(BigFraction[] c1, BigFraction[] c2) Compute a dimension 3 minor, when 3d column is known to be filled with 1.0.

Methods inherited from class java.lang.Object

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

Constructor Detail

DiskGenerator

public DiskGenerator()

Method Detail

ballOnSupport

public EnclosingBall<Euclidean2D,Vector2D> ballOnSupport(java.util.List<Vector2D> support)

Create a ball whose boundary lies on prescribed support points.

Specified by:

ballOnSupport in interface SupportBallGenerator<Euclidean2D,Vector2D>

Parameters:

support - support points (may be empty)

Returns:

ball whose boundary lies on the prescribed support points

minor

private BigFraction minor(BigFraction[] c1,
                BigFraction[] c2)

Compute a dimension 3 minor, when 3^d column is known to be filled with 1.0.

Parameters:

c1 - first column

c2 - second column

Returns:

value of the minor computed has an exact fraction