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

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package stats
import "math"
// Sum adds all the numbers of a slice together
func Sum(input Float64Data) (sum float64, err error) {
if input.Len() == 0 {
return math.NaN(), EmptyInputErr
}
// Add em up
for _, n := range input {
sum += n
}
return sum, nil
}