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java.lang.Object org.terrier.utility.HeapSort
public class HeapSort
An implementation of the heap sort algorithm as described in Cormen et al. Introduction to Algorithms. This class sorts two arrays, with respect to the values of the elements in the first array. There is also an option to sort only N entries with the highest values. In this case, there are two options:
Constructor Summary | |
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HeapSort()
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Method Summary | |
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static void |
ascendingHeapSort(double[] A,
int[] B,
short[] C)
Sorts the given arrays in ascending order, using heap-sort. |
static void |
ascendingHeapSort(double[] A,
int[] B,
short[] C,
int topElements)
Sorts the top topElements of the given array in ascending order, using heap sort. |
static void |
descendingHeapSort(double[] A,
int[] B,
short[] C)
Sorts the given arrays in descending order, using heap-sort. |
static void |
descendingHeapSort(double[] A,
int[] B,
short[] C,
int topElements)
Sorts the top topElements of the given array in descending order, using heap sort for sorting the values in ascending order and then reversing the order of a specified number of elements. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public HeapSort()
Method Detail |
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public static final void ascendingHeapSort(double[] A, int[] B, short[] C)
A
- double[] the first array to be sorted.B
- int[] the second array to be sorted, according to the
values of the first array.public static final void descendingHeapSort(double[] A, int[] B, short[] C)
A
- double[] the first array to be sorted.B
- int[] the second array to be sorted, according to the
values of the first array.public static final void ascendingHeapSort(double[] A, int[] B, short[] C, int topElements)
A
- double[] the first array to be sorted.B
- int[] the second array to be sorted, according to the
values of the first array.topElements
- int the number of elements to be sorted.public static final void descendingHeapSort(double[] A, int[] B, short[] C, int topElements)
A
- double[] the first array to be sorted.B
- int[] the second array to be sorted, according to the
values of the first array.topElements
- int the number of elements to be sorted.
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