19 lines
599 B
Text
19 lines
599 B
Text
// version 1.0.6
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fun initMovingAverage(p: Int): (Double) -> Double {
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if (p < 1) throw IllegalArgumentException("Period must be a positive integer")
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val list = mutableListOf<Double>()
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return {
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list.add(it)
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if (list.size > p) list.removeAt(0)
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list.average()
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}
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}
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fun main(args: Array<String>) {
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val sma4 = initMovingAverage(4)
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val sma5 = initMovingAverage(5)
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val numbers = listOf(1.0, 2.0, 3.0, 4.0, 5.0, 5.0, 4.0, 3.0, 2.0, 1.0)
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println("num\tsma4\tsma5\n")
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for (number in numbers) println("${number}\t${sma4(number)}\t${sma5(number)}")
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}
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