ScalarQuantizer.FloatSelector

java.lang.Object

org.apache.lucene.util.Selector

org.apache.lucene.util.IntroSelector

org.apache.lucene.util.quantization.ScalarQuantizer.FloatSelector

Enclosing class:: ScalarQuantizer

private static class ScalarQuantizer.FloatSelector extends IntroSelector

Field Summary

Fields

Modifier and Type

Field

Description

private final float[]

arr

(package private) float

pivot
Constructor Summary

Constructors

Modifier

Constructor

Description

private

FloatSelector(float[] arr)
Method Summary

Modifier and Type

Method

Description

protected int

comparePivot(int j)

Compare the pivot with the slot at j, similarly to compare(i, j).

protected void

setPivot(int i)

Save the value at slot i so that it can later be used as a pivot, see IntroSelector.comparePivot(int).

protected void

swap(int i, int j)

Swap values at slots i and j.

Methods inherited from class org.apache.lucene.util.IntroSelector
compare, select

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- pivot
  
  float pivot
- arr
  
  private final float[] arr
Constructor Details
- FloatSelector
  
  private FloatSelector(float[] arr)
Method Details
- setPivot
  
  protected void setPivot(int i)
  
  Description copied from class: IntroSelector
  
  Save the value at slot i so that it can later be used as a pivot, see IntroSelector.comparePivot(int).
  
  Specified by:
  
  setPivot in class IntroSelector
- comparePivot
  
  protected int comparePivot(int j)
  
  Description copied from class: IntroSelector
  
  Compare the pivot with the slot at j, similarly to compare(i, j).
  
  Specified by:
  
  comparePivot in class IntroSelector
- swap
  
  protected void swap(int i, int j)
  
  Description copied from class: Selector
  
  Swap values at slots i and j.
  
  Specified by:
  
  swap in class Selector