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44 lines
922 B
Go
44 lines
922 B
Go
package stats
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import (
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"sort"
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"time"
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)
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// float64ToInt rounds a float64 to an int
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func float64ToInt(input float64) (output int) {
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r, _ := Round(input, 0)
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return int(r)
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}
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// unixnano returns nanoseconds from UTC epoch
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func unixnano() int64 {
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return time.Now().UTC().UnixNano()
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}
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// copyslice copies a slice of float64s
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func copyslice(input Float64Data) Float64Data {
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s := make(Float64Data, input.Len())
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copy(s, input)
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return s
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}
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// sortedCopy returns a sorted copy of float64s
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func sortedCopy(input Float64Data) (copy Float64Data) {
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copy = copyslice(input)
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sort.Float64s(copy)
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return
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}
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// sortedCopyDif returns a sorted copy of float64s
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// only if the original data isn't sorted.
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// Only use this if returned slice won't be manipulated!
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func sortedCopyDif(input Float64Data) (copy Float64Data) {
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if sort.Float64sAreSorted(input) {
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return input
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}
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copy = copyslice(input)
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sort.Float64s(copy)
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return
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}
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