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*/ |
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package extra166y; |
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| 9 |
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import jsr166y.*; |
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import static extra166y.Ops.*; |
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import java.util.*; |
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import java.util.concurrent.atomic.*; |
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– |
import java.lang.reflect.Array; |
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/** |
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* A prefix view of ParallelLongArray that causes operations to apply |
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* only on the elements of the array between firstIndex |
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* (inclusive) and upperBound (exclusive). The bound |
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* arguments are relative to the current bounds. For example |
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< |
* <tt>pa.withBounds(2, 8).withBounds(3, 5)</tt> indexes the |
| 31 |
> |
* {@code pa.withBounds(2, 8).withBounds(3, 5)} indexes the |
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* 5th (= 2+3) and 6th elements of pa. However, indices |
| 33 |
< |
* returned by methods such as <tt>indexOf</tt> are |
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> |
* returned by methods such as {@code indexOf} are |
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* with respect to the underlying ParallelLongArray. |
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* @param firstIndex the lower bound (inclusive) |
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* @param upperBound the upper bound (exclusive) |
| 93 |
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public abstract long precumulate(LongReducer reducer, long base); |
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| 95 |
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/** |
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< |
* Replaces each element with its prefix sum |
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> |
* Replaces each element with its prefix sum. |
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* @return the total sum |
| 98 |
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*/ |
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public abstract long precumulateSum(); |
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* Comparable. Unlike Arrays.sort, this sort does not |
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* guarantee that elements with equal keys maintain their relative |
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* position in the array. |
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* @throws ClassCastException if any element is not Comparable |
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* @return this (to simplify use in expressions) |
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+ |
* @throws ClassCastException if any element is not Comparable |
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*/ |
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public abstract ParallelLongArrayWithBounds sort(); |
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