21 lines
380 B
Go
21 lines
380 B
Go
package stats
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// CumulativeSum calculates the cumulative sum of the input slice
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func CumulativeSum(input Float64Data) ([]float64, error) {
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if input.Len() == 0 {
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return Float64Data{}, EmptyInput
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}
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cumSum := make([]float64, input.Len())
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for i, val := range input {
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if i == 0 {
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cumSum[i] = val
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} else {
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cumSum[i] = cumSum[i-1] + val
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}
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}
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return cumSum, nil
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}
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