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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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package extra166y; |
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* subclass, prefixed FJO (object reference), FJD (double) and FJL |
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* (long). |
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*/ |
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static abstract class FJBase extends RecursiveAction { |
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abstract static class FJBase extends RecursiveAction { |
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final AbstractParallelAnyArray pap; |
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final int lo; |
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final int hi; |
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} |
677 |
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} |
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|
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void atLeaf(int l, int h) { |
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void atLeaf(int l, int h) { |
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if (pap.hasFilter()) |
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filteredAtLeaf(l, h); |
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else { |
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} |
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} |
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|
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void filteredAtLeaf(int l, int h) { |
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void filteredAtLeaf(int l, int h) { |
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for (int i = l; i < h; ++i) { |
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if (pap.isSelected(i)) { |
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Object x = pap.oget(i); |
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} |
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} |
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void filteredAtLeaf(int l, int h) { |
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void filteredAtLeaf(int l, int h) { |
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for (int i = l; i < h; ++i) { |
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if (pap.isSelected(i)) { |
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double x = pap.dget(i); |
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} |
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} |
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|
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void atLeaf(int l, int h) { |
846 |
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void atLeaf(int l, int h) { |
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if (pap.hasFilter()) |
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filteredAtLeaf(l, h); |
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else { |
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} |
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} |
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|
860 |
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void filteredAtLeaf(int l, int h) { |
860 |
> |
void filteredAtLeaf(int l, int h) { |
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for (int i = l; i < h; ++i) { |
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if (pap.isSelected(i)) { |
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long x = pap.lget(i); |
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* Base for cancellable search tasks. Same idea as FJBase |
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* but cancels tasks when result nonnegative. |
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*/ |
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static abstract class FJSearchBase extends RecursiveAction { |
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abstract static class FJSearchBase extends RecursiveAction { |
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final AbstractParallelAnyArray pap; |
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final int lo; |
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final int hi; |
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} |
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} |
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|
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static abstract class FJSelectAllDriver extends RecursiveAction { |
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abstract static class FJSelectAllDriver extends RecursiveAction { |
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final int[] indices; |
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final AbstractParallelAnyArray pap; |
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final int initialOffset; |
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if ((filtered && !pap.isSelected(k)) || |
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(x = src[k]) == null) |
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continue; |
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int hc = byIdentity? System.identityHashCode(x): x.hashCode(); |
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int hc = byIdentity ? System.identityHashCode(x) : x.hashCode(); |
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int hash = hash(hc); |
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long entry = (((long)hash) << 32) + (k + 1); |
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int idx = hash & mask; |
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} |
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|
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/** |
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* Return new array holding all elements. |
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* Returns new array holding all elements. |
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*/ |
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Object[] uniqueObjects(int size) { |
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Object[] src = pap.ogetArray(); |
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l+h, n-h, l, g, null).compute(); |
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} |
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else |
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oquickSort(a, cmp, l, l+n-1); |
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Arrays.sort(a, l, l+n, cmp); |
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} |
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} |
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|
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l+h, n-h, l, g, null).compute(); |
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} |
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else |
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ocquickSort(a, l, l+n-1); |
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Arrays.sort(a, l, l+n); |
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} |
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} |
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|
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} |
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/** |
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* Perform merging for FJSorter. If big enough, splits Left |
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* Performs merging for FJSorter. If big enough, splits Left |
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* partition in half; finds the greatest point in Right partition |
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* less than the beginning of the second half of Left via binary |
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* search; and then, in parallel, merges left half of Left with |
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|
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// versions of quicksort with comparators |
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|
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static void oquickSort(Object[] a, Comparator cmp, int lo, int hi) { |
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for (;;) { |
2312 |
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if (hi - lo <= INSERTION_SORT_THRESHOLD) { |
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for (int i = lo + 1; i <= hi; i++) { |
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Object t = a[i]; |
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int j = i - 1; |
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while (j >= lo && cmp.compare(t, a[j]) < 0) { |
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a[j+1] = a[j]; |
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--j; |
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} |
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a[j+1] = t; |
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} |
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return; |
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} |
2324 |
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|
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int mid = (lo + hi) >>> 1; |
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if (cmp.compare(a[lo], a[mid]) > 0) { |
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Object t = a[lo]; a[lo] = a[mid]; a[mid] = t; |
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} |
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if (cmp.compare(a[mid], a[hi]) > 0) { |
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Object t = a[mid]; a[mid] = a[hi]; a[hi] = t; |
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if (cmp.compare(a[lo], a[mid]) > 0) { |
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Object u = a[lo]; a[lo] = a[mid]; a[mid] = u; |
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} |
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} |
2335 |
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|
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Object pivot = a[mid]; |
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int left = lo+1; |
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int right = hi-1; |
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boolean sameLefts = true; |
2340 |
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for (;;) { |
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while (cmp.compare(pivot, a[right]) < 0) |
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--right; |
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int c; |
2344 |
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while (left < right && |
2345 |
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(c = cmp.compare(pivot, a[left])) >= 0) { |
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if (c != 0) |
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sameLefts = false; |
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++left; |
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} |
2350 |
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if (left < right) { |
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Object t = a[left]; a[left] = a[right]; a[right] = t; |
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--right; |
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} |
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else break; |
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} |
2356 |
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|
2357 |
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if (sameLefts && right == hi - 1) |
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return; |
2359 |
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if (left - lo <= hi - right) { |
2360 |
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oquickSort(a, cmp, lo, left); |
2361 |
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lo = left + 1; |
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} |
2363 |
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else { |
2364 |
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oquickSort(a, cmp, right, hi); |
2365 |
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hi = left; |
2366 |
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} |
2367 |
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} |
2368 |
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} |
2369 |
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|
2370 |
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static void ocquickSort(Comparable[] a, int lo, int hi) { |
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for (;;) { |
2372 |
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if (hi - lo <= INSERTION_SORT_THRESHOLD) { |
2373 |
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for (int i = lo + 1; i <= hi; i++) { |
2374 |
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Comparable t = a[i]; |
2375 |
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int j = i - 1; |
2376 |
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while (j >= lo && t.compareTo(a[j]) < 0) { |
2377 |
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a[j+1] = a[j]; |
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--j; |
2379 |
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} |
2380 |
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a[j+1] = t; |
2381 |
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} |
2382 |
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return; |
2383 |
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} |
2384 |
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|
2385 |
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int mid = (lo + hi) >>> 1; |
2386 |
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if (a[lo].compareTo(a[mid]) > 0) { |
2387 |
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Comparable t = a[lo]; a[lo] = a[mid]; a[mid] = t; |
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} |
2389 |
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if (a[mid].compareTo(a[hi]) > 0) { |
2390 |
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Comparable t = a[mid]; a[mid] = a[hi]; a[hi] = t; |
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if (a[lo].compareTo(a[mid]) > 0) { |
2392 |
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Comparable u = a[lo]; a[lo] = a[mid]; a[mid] = u; |
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} |
2394 |
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} |
2395 |
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Comparable pivot = a[mid]; |
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int left = lo+1; |
2397 |
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int right = hi-1; |
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boolean sameLefts = true; |
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for (;;) { |
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while (pivot.compareTo(a[right]) < 0) |
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--right; |
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int c; |
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while (left < right && (c = pivot.compareTo(a[left])) >= 0) { |
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if (c != 0) |
2405 |
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sameLefts = false; |
2406 |
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++left; |
2407 |
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} |
2408 |
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if (left < right) { |
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Comparable t = a[left]; a[left] = a[right]; a[right] = t; |
2410 |
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--right; |
2411 |
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} |
2412 |
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else break; |
2413 |
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} |
2414 |
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|
2415 |
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if (sameLefts && right == hi - 1) |
2416 |
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return; |
2417 |
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if (left - lo <= hi - right) { |
2418 |
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ocquickSort(a, lo, left); |
2419 |
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lo = left + 1; |
2420 |
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} |
2421 |
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else { |
2422 |
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ocquickSort(a, right, hi); |
2423 |
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hi = left; |
2424 |
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} |
2425 |
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} |
2426 |
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} |
2427 |
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|
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|
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static void dquickSort(double[] a, DoubleComparator cmp, int lo, int hi) { |
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for (;;) { |
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* |
2462 |
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* This class maintains only the basic control logic. Subclasses |
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* maintain the "in" and "out" fields, and *Ops classes perform |
2464 |
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* computations |
2464 |
> |
* computations. |
2465 |
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*/ |
2466 |
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static abstract class FJScan extends ForkJoinTask<Void> { |
2466 |
> |
abstract static class FJScan extends ForkJoinTask<Void> { |
2467 |
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static final short CUMULATE = (short)1; |
2468 |
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static final short SUMMED = (short)2; |
2469 |
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static final short FINISHED = (short)4; |
2555 |
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op.pushUp(par, par.left, par.right); |
2556 |
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int refork = |
2557 |
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((pb & CUMULATE) == 0 && |
2558 |
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par.lo == op.origin)? CUMULATE : 0; |
2558 |
> |
par.lo == op.origin) ? CUMULATE : 0; |
2559 |
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int nextPhase = pb|cb|refork; |
2560 |
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if (pb == nextPhase || |
2561 |
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phaseUpdater.compareAndSet(par, pb, nextPhase)) { |
2632 |
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/** |
2633 |
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* Computational operations for FJScan |
2634 |
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*/ |
2635 |
< |
static abstract class FJScanOp { |
2635 |
> |
abstract static class FJScanOp { |
2636 |
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final int threshold; |
2637 |
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final int origin; |
2638 |
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final int fence; |
2649 |
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abstract FJScan newSubtask(FJScan parent, int lo, int hi); |
2650 |
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} |
2651 |
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|
2652 |
< |
static abstract class FJOScanOp extends FJScanOp { |
2652 |
> |
abstract static class FJOScanOp extends FJScanOp { |
2653 |
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final Object[] array; |
2654 |
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final Reducer reducer; |
2655 |
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final Object base; |
2739 |
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} |
2740 |
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} |
2741 |
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|
2742 |
< |
static abstract class FJDScanOp extends FJScanOp { |
2742 |
> |
abstract static class FJDScanOp extends FJScanOp { |
2743 |
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final double[] array; |
2744 |
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final DoubleReducer reducer; |
2745 |
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final double base; |
2829 |
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} |
2830 |
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} |
2831 |
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|
2832 |
< |
static abstract class FJLScanOp extends FJScanOp { |
2832 |
> |
abstract static class FJLScanOp extends FJScanOp { |
2833 |
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final long[] array; |
2834 |
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final LongReducer reducer; |
2835 |
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final long base; |
2921 |
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|
2922 |
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// specialized versions for plus |
2923 |
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|
2924 |
< |
static abstract class FJDScanPlusOp extends FJScanOp { |
2924 |
> |
abstract static class FJDScanPlusOp extends FJScanOp { |
2925 |
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final double[] array; |
2926 |
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FJDScanPlusOp(AbstractParallelAnyArray.DPap pap) { |
2927 |
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super(pap); |
3003 |
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} |
3004 |
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} |
3005 |
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|
3006 |
< |
static abstract class FJLScanPlusOp extends FJScanOp { |
3006 |
> |
abstract static class FJLScanPlusOp extends FJScanOp { |
3007 |
|
final long[] array; |
3008 |
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FJLScanPlusOp(AbstractParallelAnyArray.LPap pap) { |
3009 |
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super(pap); |