Class ArraySorter

java.lang.Object
de.bwaldvogel.liblinear.ArraySorter

final class ArraySorter extends Object
  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    private static int
    med3(double[] x, int a, int b, int c)
    Returns the index of the median of the three indexed doubles.
    (package private) static void
    reversedMergesort(double[] a)
    Sorts the specified array of doubles into descending order.
    private static void
    reversedMergesort(double[] x, int off, int len)
     
    private static void
    swap(double[] x, int a, int b)
    Swaps x[a] with x[b].
    private static void
    vecswap(double[] x, int a, int b, int n)
    Swaps x[a ..

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Constructor Details

    • ArraySorter

      ArraySorter()
  • Method Details

    • reversedMergesort

      static void reversedMergesort(double[] a)

      Sorts the specified array of doubles into descending order.

      This code is borrowed from Sun's JDK 1.6.0.07
    • reversedMergesort

      private static void reversedMergesort(double[] x, int off, int len)
    • swap

      private static void swap(double[] x, int a, int b)
      Swaps x[a] with x[b].
    • vecswap

      private static void vecswap(double[] x, int a, int b, int n)
      Swaps x[a .. (a+n-1)] with x[b .. (b+n-1)].
    • med3

      private static int med3(double[] x, int a, int b, int c)
      Returns the index of the median of the three indexed doubles.