logmower-shipper/vendor/github.com/montanaflynn/stats/cumulative_sum.go

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