nz.ac.waikato.jdsl.core.algo.sorts
Class ListMergeSort

java.lang.Object
  nz.ac.waikato.jdsl.core.algo.sorts.ListMergeSort

All Implemented Interfaces:

SortObject

public class ListMergeSort
extends java.lang.Object
implements SortObject

Performs a merge-sort in O(n log n) time, provided that isEmpty(), first(), insertLast(), and removeFirst() all operate in O(1) time.

Version:

JDSL 2.1.1

Author:

Benoit Hudson, Roberto Tamassia, Luca Vismara, Keith Schmidt

Constructor Summary

ListMergeSort()

Method Summary

void	sort(Sequence S, Comparator c) Recursively divides a Sequence into (roughly) equal subsequences and merges them back together once sorted.

Methods inherited from class java.lang.Object

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

Constructor Detail

ListMergeSort

public ListMergeSort()

Method Detail

sort

public void sort(Sequence S,
                 Comparator c)

Recursively divides a Sequence into (roughly) equal subsequences and merges them back together once sorted.

Specified by:

sort in interface SortObject

Parameters:

S - the sequence to sort

c - the comparator to use in the sort