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synced 2025-01-21 19:50:35 +01:00
adjust QuickSort & add test case
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@ -2,10 +2,12 @@ package de.uni_marburg.powersort.sort;
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import de.uni_marburg.powersort.FinnSort.FinnSort;
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import de.uni_marburg.powersort.benchmark.NaturalOrder;
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import de.uni_marburg.powersort.sort.dpqs.DualPivotQuicksort;
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public enum SortEnum {
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BUBBLE_SORT,
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QUICK_SORT,
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DPQS,
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MERGE_SORT,
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TIM_SORT,
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FINN_SORT,
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@ -15,6 +17,7 @@ public enum SortEnum {
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return switch (this) {
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case BUBBLE_SORT -> array -> BubbleSort.sort(array, NaturalOrder.INSTANCE);
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case QUICK_SORT -> array -> QuickSort.sort(array, NaturalOrder.INSTANCE);
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case DPQS -> array -> DualPivotQuicksort.sort(array, 0, array.length);
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case MERGE_SORT -> array -> MergeSort.legacyMergeSort(array, NaturalOrder.INSTANCE);
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case TIM_SORT -> array -> TimSort.sort(array, 0, array.length, NaturalOrder.INSTANCE, null, 0, 0);
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case FINN_SORT -> array -> FinnSort.sort(array, NaturalOrder.INSTANCE);
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@ -1,4 +1,6 @@
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// Imported from JDK23 DualPivotQuicksort.java
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// Removed parallel parts
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// Changed from int[] to Object[]
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package de.uni_marburg.powersort.sort.dpqs;
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@ -27,6 +29,8 @@ package de.uni_marburg.powersort.sort.dpqs;
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* questions.
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*/
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import de.uni_marburg.powersort.benchmark.NaturalOrder;
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import java.util.Arrays;
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/**
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@ -95,35 +99,6 @@ public final class DualPivotQuicksort {
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*/
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private static final int MAX_RECURSION_DEPTH = 64 * DELTA;
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/**
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* Represents a function that accepts the array and sorts the specified range
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* of the array into ascending order.
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*/
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@FunctionalInterface
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private interface SortOperation<A> {
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/**
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* Sorts the specified range of the array.
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*
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* @param a the array to be sorted
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* @param low the index of the first element, inclusive, to be sorted
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* @param high the index of the last element, exclusive, to be sorted
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*/
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void sort(A a, int low, int high);
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}
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/**
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* Sorts the specified range of the array into ascending numerical order.
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*
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* @param array the array to be sorted
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* the array to sort, otherwise if the array is {@code null},an absolute
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* address pointing to the first element to sort from.
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* @param low the index of the first element, inclusive, to be sorted
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* @param high the index of the last element, exclusive, to be sorted
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* @param so the method reference for the fallback implementation
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*/
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private static <A> void sort(A array, int low, int high, SortOperation<A> so) {
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so.sort(array, low, high);
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}
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/**
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* Represents a function that accepts the array and partitions the specified range
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@ -153,24 +128,17 @@ public final class DualPivotQuicksort {
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* @param po the method reference for the fallback implementation
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*/
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private static <A> int[] partition(A array, int high, int pivotIndex1, int pivotIndex2, PartitionOperation<A> po) {
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return po.partition(array, Unsafe.ARRAY_INT_BASE_OFFSET, high, pivotIndex1, pivotIndex2);
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return po.partition(array, 0, high, pivotIndex1, pivotIndex2);
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}
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/**
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* Sorts the specified range of the array using parallel merge
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* sort and/or Dual-Pivot Quicksort.
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* <p>
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* To balance the faster splitting and parallelism of merge sort
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* with the faster element partitioning of Quicksort, ranges are
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* subdivided in tiers such that, if there is enough parallelism,
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* the four-way parallel merge is started, still ensuring enough
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* parallelism to process the partitions.
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* Sorts the specified range of the array Dual-Pivot Quicksort.
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*
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* @param a the array to be sorted
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* @param low the index of the first element, inclusive, to be sorted
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* @param high the index of the last element, exclusive, to be sorted
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*/
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public static void sort(int[] a, int low, int high) {
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public static void sort(Object[] a, int low, int high) {
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sort(a, 0, low, high);
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}
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@ -184,14 +152,14 @@ public final class DualPivotQuicksort {
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* @param low the index of the first element, inclusive, to be sorted
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* @param high the index of the last element, exclusive, to be sorted
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*/
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static void sort(int[] a, int bits, int low, int high) {
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static void sort(Object[] a, int bits, int low, int high) {
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while (true) {
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int end = high - 1, size = high - low;
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/*
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* Run mixed insertion sort on small non-leftmost parts.
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*/
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if (size < MAX_MIXED_INSERTION_SORT_SIZE + bits && (bits & 1) > 0) {
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sort(a, low, high, DualPivotQuicksort::mixedInsertionSort);
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mixedInsertionSort(a, low, high);
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return;
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}
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@ -199,7 +167,7 @@ public final class DualPivotQuicksort {
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* Invoke insertion sort on small leftmost part.
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*/
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if (size < MAX_INSERTION_SORT_SIZE) {
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sort(a, low, high, DualPivotQuicksort::insertionSort);
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insertionSort(a, low, high);
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return;
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}
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@ -238,7 +206,7 @@ public final class DualPivotQuicksort {
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int e3 = (e1 + e5) >>> 1;
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int e2 = (e1 + e3) >>> 1;
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int e4 = (e3 + e5) >>> 1;
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int a3 = a[e3];
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Object a3 = a[e3];
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/*
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* Sort these elements in place by the combination
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@ -252,34 +220,34 @@ public final class DualPivotQuicksort {
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* | |
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* 1 ------------o-----o------------
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*/
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if (a[e5] < a[e2]) {
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int t = a[e5];
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if (NaturalOrder.INSTANCE.compare(a[e5] , a[e2])<0) {
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Object t = a[e5];
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a[e5] = a[e2];
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a[e2] = t;
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}
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if (a[e4] < a[e1]) {
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int t = a[e4];
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if (NaturalOrder.INSTANCE.compare(a[e4] , a[e1])<0) {
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Object t = a[e4];
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a[e4] = a[e1];
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a[e1] = t;
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}
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if (a[e5] < a[e4]) {
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int t = a[e5];
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if (NaturalOrder.INSTANCE.compare(a[e5] , a[e4])<0) {
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Object t = a[e5];
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a[e5] = a[e4];
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a[e4] = t;
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}
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if (a[e2] < a[e1]) {
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int t = a[e2];
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if (NaturalOrder.INSTANCE.compare(a[e2] , a[e1])<0) {
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Object t = a[e2];
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a[e2] = a[e1];
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a[e1] = t;
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}
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if (a[e4] < a[e2]) {
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int t = a[e4];
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if (NaturalOrder.INSTANCE.compare(a[e4] , a[e2])<0) {
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Object t = a[e4];
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a[e4] = a[e2];
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a[e2] = t;
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}
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if (a3 < a[e2]) {
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if (a3 < a[e1]) {
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if (NaturalOrder.INSTANCE.compare(a3 , a[e2])<0) {
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if (NaturalOrder.INSTANCE.compare(a3 , a[e1])<0) {
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a[e3] = a[e2];
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a[e2] = a[e1];
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a[e1] = a3;
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@ -287,8 +255,8 @@ public final class DualPivotQuicksort {
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a[e3] = a[e2];
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a[e2] = a3;
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}
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} else if (a3 > a[e4]) {
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if (a3 > a[e5]) {
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} else if (NaturalOrder.INSTANCE.compare(a3 , a[e4])>0) {
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if (NaturalOrder.INSTANCE.compare(a3 , a[e5])>0) {
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a[e3] = a[e4];
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a[e4] = a[e5];
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a[e5] = a3;
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@ -305,7 +273,7 @@ public final class DualPivotQuicksort {
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/*
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* Partitioning with 2 pivots in case of different elements.
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*/
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if (a[e1] < a[e2] && a[e2] < a[e3] && a[e3] < a[e4] && a[e4] < a[e5]) {
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if (NaturalOrder.INSTANCE.compare(a[e1] , a[e2])<0 && NaturalOrder.INSTANCE.compare(a[e2] , a[e3])<0 && NaturalOrder.INSTANCE.compare(a[e3] , a[e4])<0 && NaturalOrder.INSTANCE.compare(a[e4] , a[e5])<0) {
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/*
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* Use the first and fifth of the five sorted elements as
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* the pivots. These values are inexpensive approximation
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@ -353,15 +321,15 @@ public final class DualPivotQuicksort {
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* @param pivotIndex1 the index of pivot1, the first pivot
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* @param pivotIndex2 the index of pivot2, the second pivot
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*/
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private static int[] partitionDualPivot(int[] a, int low, int high, int pivotIndex1, int pivotIndex2) {
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private static int[] partitionDualPivot(Object[] a, int low, int high, int pivotIndex1, int pivotIndex2) {
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int end = high - 1;
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int lower = low;
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int upper = end;
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int e1 = pivotIndex1;
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int e5 = pivotIndex2;
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int pivot1 = a[e1];
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int pivot2 = a[e5];
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Object pivot1 = a[e1];
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Object pivot2 = a[e5];
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/*
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* The first and the last elements to be sorted are moved
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@ -376,8 +344,8 @@ public final class DualPivotQuicksort {
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/*
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* Skip elements, which are less or greater than the pivots.
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*/
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while (a[++lower] < pivot1) ;
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while (a[--upper] > pivot2) ;
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while (NaturalOrder.INSTANCE.compare(a[++lower] , pivot1)<0) ;
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while (NaturalOrder.INSTANCE.compare(a[--upper] , pivot2)>0) ;
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/*
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* Backward 3-interval partitioning
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@ -399,12 +367,12 @@ public final class DualPivotQuicksort {
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* Pointer k is the last index of ?-part
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*/
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for (int unused = --lower, k = ++upper; --k > lower; ) {
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int ak = a[k];
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Object ak = a[k];
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if (ak < pivot1) { // Move a[k] to the left side
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if (NaturalOrder.INSTANCE.compare(ak , pivot1)<0) { // Move a[k] to the left side
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while (lower < k) {
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if (a[++lower] >= pivot1) {
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if (a[lower] > pivot2) {
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if (NaturalOrder.INSTANCE.compare(a[++lower] , pivot1)>=0) {
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if (NaturalOrder.INSTANCE.compare(a[lower] , pivot2)>0) {
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a[k] = a[--upper];
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a[upper] = a[lower];
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} else {
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@ -414,7 +382,7 @@ public final class DualPivotQuicksort {
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break;
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}
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}
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} else if (ak > pivot2) { // Move a[k] to the right side
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} else if (NaturalOrder.INSTANCE.compare(ak , pivot2)>0) { // Move a[k] to the right side
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a[k] = a[--upper];
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a[upper] = ak;
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}
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@ -440,13 +408,13 @@ public final class DualPivotQuicksort {
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* @param pivotIndex1 the index of pivot1, the first pivot
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* @param pivotIndex2 the index of pivot2, the second pivot
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*/
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private static int[] partitionSinglePivot(int[] a, int low, int high, int pivotIndex1, int pivotIndex2) {
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private static int[] partitionSinglePivot(Object[] a, int low, int high, int pivotIndex1, int pivotIndex2) {
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int end = high - 1;
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int lower = low;
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int upper = end;
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int e3 = pivotIndex1;
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int pivot = a[e3];
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Object pivot = a[e3];
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/*
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* The first element to be sorted is moved to the
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@ -477,15 +445,15 @@ public final class DualPivotQuicksort {
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* Pointer k is the last index of ?-part
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*/
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for (int k = ++upper; --k > lower; ) {
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int ak = a[k];
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Object ak = a[k];
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if (ak != pivot) {
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if (NaturalOrder.INSTANCE.compare(ak , pivot)!=0) {
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a[k] = pivot;
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if (ak < pivot) { // Move a[k] to the left side
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while (a[++lower] < pivot) ;
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if (NaturalOrder.INSTANCE.compare(ak , pivot)<0) { // Move a[k] to the left side
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while (NaturalOrder.INSTANCE.compare(a[++lower] , pivot)<0) ;
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if (a[lower] > pivot) {
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if (NaturalOrder.INSTANCE.compare(a[lower] , pivot)>0) {
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a[--upper] = a[lower];
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}
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a[lower] = ak;
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@ -519,7 +487,7 @@ public final class DualPivotQuicksort {
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* @param low the index of the first element, inclusive, to be sorted
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* @param high the index of the last element, exclusive, to be sorted
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*/
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private static void mixedInsertionSort(int[] a, int low, int high) {
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private static void mixedInsertionSort(Object[] a, int low, int high) {
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int size = high - low;
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int end = high - 3 * ((size >> 5) << 3);
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if (end == high) {
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@ -528,9 +496,9 @@ public final class DualPivotQuicksort {
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* Invoke simple insertion sort on tiny array.
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*/
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for (int i; ++low < end; ) {
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int ai = a[i = low];
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Object ai = a[i = low];
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while (ai < a[--i]) {
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while (NaturalOrder.INSTANCE.compare(ai,a[--i])<0) {
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a[i + 1] = a[i];
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}
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a[i + 1] = ai;
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@ -546,29 +514,29 @@ public final class DualPivotQuicksort {
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* proper area for such elements). It avoids expensive
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* movements of these elements through the whole array.
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*/
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int pin = a[end];
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Object pin = a[end];
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for (int i, p = high; ++low < end; ) {
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int ai = a[i = low];
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Object ai = a[i = low];
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if (ai < a[i - 1]) { // Small element
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if (NaturalOrder.INSTANCE.compare(ai,a[i - 1])<0) { // Small element
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/*
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* Insert small element into sorted part.
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*/
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a[i] = a[--i];
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while (ai < a[--i]) {
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while (NaturalOrder.INSTANCE.compare(ai,a[--i])<0) {
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a[i + 1] = a[i];
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}
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a[i + 1] = ai;
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} else if (p > i && ai > pin) { // Large element
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} else if (p > i && NaturalOrder.INSTANCE.compare(ai,pin)>0) { // Large element
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/*
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* Find element smaller than pin.
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*/
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while (a[--p] > pin) ;
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while (NaturalOrder.INSTANCE.compare(a[--p] , pin)>0) ;
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/*
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* Swap it with large element.
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@ -581,7 +549,7 @@ public final class DualPivotQuicksort {
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/*
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* Insert small element into sorted part.
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*/
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while (ai < a[--i]) {
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while (NaturalOrder.INSTANCE.compare(ai , a[--i])<0) {
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a[i + 1] = a[i];
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}
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a[i + 1] = ai;
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@ -592,33 +560,33 @@ public final class DualPivotQuicksort {
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* Continue with pair insertion sort on remain part.
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*/
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for (int i; low < high; ++low) {
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int a1 = a[i = low], a2 = a[++low];
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Object a1 = a[i = low], a2 = a[++low];
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/*
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* Insert two elements per iteration: at first, insert the
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* larger element and then insert the smaller element, but
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* from the position where the larger element was inserted.
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*/
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if (a1 > a2) {
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if (NaturalOrder.INSTANCE.compare(a1 , a2)>0) {
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while (a1 < a[--i]) {
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while (NaturalOrder.INSTANCE.compare(a1 , a[--i])<0) {
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a[i + 2] = a[i];
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}
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a[++i + 1] = a1;
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while (a2 < a[--i]) {
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while (NaturalOrder.INSTANCE.compare(a2 , a[--i])<0) {
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a[i + 1] = a[i];
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}
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a[i + 1] = a2;
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} else if (a1 < a[i - 1]) {
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} else if (NaturalOrder.INSTANCE.compare(a1 , a[i - 1])<0) {
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while (a2 < a[--i]) {
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while (NaturalOrder.INSTANCE.compare(a2 , a[--i])<0) {
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a[i + 2] = a[i];
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}
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a[++i + 1] = a2;
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while (a1 < a[--i]) {
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while (NaturalOrder.INSTANCE.compare(a1 , a[--i])<0) {
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a[i + 1] = a[i];
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}
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a[i + 1] = a1;
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@ -634,12 +602,12 @@ public final class DualPivotQuicksort {
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* @param low the index of the first element, inclusive, to be sorted
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* @param high the index of the last element, exclusive, to be sorted
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*/
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private static void insertionSort(int[] a, int low, int high) {
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private static void insertionSort(Object[] a, int low, int high) {
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for (int i, k = low; ++k < high; ) {
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int ai = a[i = k];
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Object ai = a[i = k];
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if (ai < a[i - 1]) {
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while (--i >= low && ai < a[i]) {
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if (NaturalOrder.INSTANCE.compare(ai , a[i - 1])<0) {
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while (--i >= low && NaturalOrder.INSTANCE.compare(ai , a[i])<0) {
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a[i + 1] = a[i];
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}
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a[i + 1] = ai;
|
||||
@ -654,12 +622,12 @@ public final class DualPivotQuicksort {
|
||||
* @param low the index of the first element, inclusive, to be sorted
|
||||
* @param high the index of the last element, exclusive, to be sorted
|
||||
*/
|
||||
private static void heapSort(int[] a, int low, int high) {
|
||||
private static void heapSort(Object[] a, int low, int high) {
|
||||
for (int k = (low + high) >>> 1; k > low; ) {
|
||||
pushDown(a, --k, a[k], low, high);
|
||||
}
|
||||
while (--high > low) {
|
||||
int max = a[low];
|
||||
Object max = a[low];
|
||||
pushDown(a, low, a[high], low, high);
|
||||
a[high] = max;
|
||||
}
|
||||
@ -674,17 +642,17 @@ public final class DualPivotQuicksort {
|
||||
* @param low the index of the first element, inclusive, to be sorted
|
||||
* @param high the index of the last element, exclusive, to be sorted
|
||||
*/
|
||||
private static void pushDown(int[] a, int p, int value, int low, int high) {
|
||||
private static void pushDown(Object[] a, int p, Object value, int low, int high) {
|
||||
for (int k; ; a[p] = a[p = k]) {
|
||||
k = (p << 1) - low + 2; // Index of the right child
|
||||
|
||||
if (k > high) {
|
||||
break;
|
||||
}
|
||||
if (k == high || a[k] < a[k - 1]) {
|
||||
if (k == high || NaturalOrder.INSTANCE.compare(a[k] , a[k - 1])<0) {
|
||||
--k;
|
||||
}
|
||||
if (a[k] <= value) {
|
||||
if (NaturalOrder.INSTANCE.compare(a[k] , value)<=0) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
@ -699,7 +667,7 @@ public final class DualPivotQuicksort {
|
||||
* @param size the array size
|
||||
* @return true if finally sorted, false otherwise
|
||||
*/
|
||||
private static boolean tryMergeRuns(int[] a, int low, int size) {
|
||||
private static boolean tryMergeRuns(Object[] a, int low, int size) {
|
||||
|
||||
/*
|
||||
* The run array is constructed only if initial runs are
|
||||
@ -718,24 +686,24 @@ public final class DualPivotQuicksort {
|
||||
/*
|
||||
* Find the end index of the current run.
|
||||
*/
|
||||
if (a[k - 1] < a[k]) {
|
||||
if (NaturalOrder.INSTANCE.compare(a[k - 1] , a[k])<0) {
|
||||
|
||||
// Identify ascending sequence
|
||||
while (++k < high && a[k - 1] <= a[k]) ;
|
||||
while (++k < high && NaturalOrder.INSTANCE.compare(a[k - 1] , a[k])<=0) ;
|
||||
|
||||
} else if (a[k - 1] > a[k]) {
|
||||
} else if (NaturalOrder.INSTANCE.compare(a[k - 1] , a[k])>0) {
|
||||
|
||||
// Identify descending sequence
|
||||
while (++k < high && a[k - 1] >= a[k]) ;
|
||||
while (++k < high && NaturalOrder.INSTANCE.compare(a[k - 1] , a[k])>=0) ;
|
||||
|
||||
// Reverse into ascending order
|
||||
for (int i = last - 1, j = k; ++i < --j && a[i] > a[j]; ) {
|
||||
int ai = a[i];
|
||||
for (int i = last - 1, j = k; ++i < --j && NaturalOrder.INSTANCE.compare(a[i] , a[j])>0; ) {
|
||||
Object ai = a[i];
|
||||
a[i] = a[j];
|
||||
a[j] = ai;
|
||||
}
|
||||
} else { // Identify constant sequence
|
||||
for (int ak = a[k]; ++k < high && ak == a[k]; ) ;
|
||||
for (Object ak = a[k]; ++k < high && NaturalOrder.INSTANCE.compare(ak , a[k])==0; ) ;
|
||||
|
||||
if (k < high) {
|
||||
continue;
|
||||
@ -767,7 +735,7 @@ public final class DualPivotQuicksort {
|
||||
run = new int[((size >> 10) | 0x7F) & 0x3FF];
|
||||
run[0] = low;
|
||||
|
||||
} else if (a[last - 1] > a[last]) {
|
||||
} else if (NaturalOrder.INSTANCE.compare(a[last - 1] , a[last])>0) {
|
||||
|
||||
if (count > (k - low) >> MIN_FIRST_RUNS_FACTOR) {
|
||||
|
||||
@ -801,10 +769,10 @@ public final class DualPivotQuicksort {
|
||||
* Merge runs of highly structured array.
|
||||
*/
|
||||
if (count > 1) {
|
||||
int[] b;
|
||||
Object[] b;
|
||||
int offset = low;
|
||||
|
||||
b = new int[size];
|
||||
b = new Object[size];
|
||||
mergeRuns(a, b, offset, 1, run, 0, count);
|
||||
}
|
||||
return true;
|
||||
@ -822,7 +790,7 @@ public final class DualPivotQuicksort {
|
||||
* @param hi the start index of the last run, inclusive
|
||||
* @return the destination where runs are merged
|
||||
*/
|
||||
private static int[] mergeRuns(int[] a, int[] b, int offset,
|
||||
private static Object[] mergeRuns(Object[] a, Object[] b, int offset,
|
||||
int aim, int[] run, int lo, int hi) {
|
||||
|
||||
if (hi - lo == 1) {
|
||||
@ -845,18 +813,18 @@ public final class DualPivotQuicksort {
|
||||
/*
|
||||
* Merge the left and right parts.
|
||||
*/
|
||||
int[] a1, a2;
|
||||
Object[] a1, a2;
|
||||
|
||||
a1 = mergeRuns(a, b, offset, -aim, run, lo, mi);
|
||||
a2 = mergeRuns(a, b, offset, 0, run, mi, hi);
|
||||
|
||||
int[] dst = a1 == a ? b : a;
|
||||
Object[] dst = NaturalOrder.INSTANCE.compare(a1, a) == 0 ? b : a;
|
||||
|
||||
int k = a1 == a ? run[lo] - offset : run[lo];
|
||||
int lo1 = a1 == b ? run[lo] - offset : run[lo];
|
||||
int hi1 = a1 == b ? run[mi] - offset : run[mi];
|
||||
int lo2 = a2 == b ? run[mi] - offset : run[mi];
|
||||
int hi2 = a2 == b ? run[hi] - offset : run[hi];
|
||||
int k = NaturalOrder.INSTANCE.compare(a1 , a)==0 ? run[lo] - offset : run[lo];
|
||||
int lo1 = NaturalOrder.INSTANCE.compare(a1 , b)==0 ? run[lo] - offset : run[lo];
|
||||
int hi1 = NaturalOrder.INSTANCE.compare(a1 , b)==0 ? run[mi] - offset : run[mi];
|
||||
int lo2 = NaturalOrder.INSTANCE.compare(a2 , b)==0 ? run[mi] - offset : run[mi];
|
||||
int hi2 = NaturalOrder.INSTANCE.compare(a2 , b)==0 ? run[hi] - offset : run[hi];
|
||||
|
||||
mergeParts(dst, k, a1, lo1, hi1, a2, lo2, hi2);
|
||||
return dst;
|
||||
@ -874,15 +842,15 @@ public final class DualPivotQuicksort {
|
||||
* @param lo2 the start index of the second part, inclusive
|
||||
* @param hi2 the end index of the second part, exclusive
|
||||
*/
|
||||
private static void mergeParts(int[] dst, int k,
|
||||
int[] a1, int lo1, int hi1, int[] a2, int lo2, int hi2) {
|
||||
private static void mergeParts(Object[] dst, int k,
|
||||
Object[] a1, int lo1, int hi1, Object[] a2, int lo2, int hi2) {
|
||||
|
||||
|
||||
/*
|
||||
* Merge small parts sequentially.
|
||||
*/
|
||||
while (lo1 < hi1 && lo2 < hi2) {
|
||||
dst[k++] = a1[lo1] < a2[lo2] ? a1[lo1++] : a2[lo2++];
|
||||
dst[k++] = NaturalOrder.INSTANCE.compare(a1[lo1] , a2[lo2])<0 ? a1[lo1++] : a2[lo2++];
|
||||
}
|
||||
if (dst != a1 || k < lo1) {
|
||||
while (lo1 < hi1) {
|
||||
|
@ -1,8 +0,0 @@
|
||||
package de.uni_marburg.powersort.sort.dpqs;
|
||||
|
||||
public final class Unsafe {
|
||||
private Unsafe() {
|
||||
}
|
||||
public static final int ARRAY_INT_BASE_OFFSET
|
||||
= 16; // Taken from debugging JDK 23 Unsafe.ARRAY_INT_BASE_OFFSET
|
||||
}
|
@ -30,6 +30,8 @@ public abstract class AbstractSortTest {
|
||||
@CsvSource({
|
||||
"3,7,-13",
|
||||
"3,7,-3",
|
||||
"10,10,-5",
|
||||
"17,17,-17",
|
||||
})
|
||||
void test2(int numOfRuns, int runLength, int decreaseBetweenRuns) {
|
||||
Integer[] array = AscendingRuns.newAscendingRuns(numOfRuns, runLength, decreaseBetweenRuns).getCopy();
|
||||
@ -42,7 +44,7 @@ public abstract class AbstractSortTest {
|
||||
"13",
|
||||
"1337",
|
||||
})
|
||||
void test2(int size) {
|
||||
void test3(int size) {
|
||||
Integer[] array = new DescendingIntegers(size).getCopy();
|
||||
sortAndCheckResult(array);
|
||||
}
|
||||
@ -52,6 +54,6 @@ public abstract class AbstractSortTest {
|
||||
Arrays.sort(expected);
|
||||
|
||||
sortAlg.getSortImpl().sort(array);
|
||||
assertArrayEquals(expected, array);
|
||||
assertArrayEquals(expected, array, Arrays.toString(array) + "\n\n");
|
||||
}
|
||||
}
|
||||
|
@ -0,0 +1,7 @@
|
||||
package de.uni_marburg.powersort.sort;
|
||||
|
||||
public class DualPivotQuicksort extends AbstractSortTest {
|
||||
DualPivotQuicksort() {
|
||||
sortAlg = SortEnum.DPQS;
|
||||
}
|
||||
}
|
Loading…
x
Reference in New Issue
Block a user