0.3.0 #480
@ -68,8 +68,9 @@ public interface IndexedHistogramGroup<T : Comparable<T>, V : Any> : Group<Index
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public fun produce(builder: HistogramBuilder<T, V>.() -> Unit): IndexedHistogram<T, V>
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override fun add(left: IndexedHistogram<T, V>, right: IndexedHistogram<T, V>): IndexedHistogram<T, V> {
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require(left.histogramSpace == this) { "Can't operate on a histogram produced by external space" }
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require(right.histogramSpace == this) { "Can't operate on a histogram produced by external space" }
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require(left.histogramSpace == this && right.histogramSpace == this) {
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"A histogram belonging to a different group cannot be operated."
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}
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return IndexedHistogram(this, histogramValueAlgebra { left.values + right.values })
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}
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