camper/pkg/template/humanize.go

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/*
* SPDX-FileCopyrightText: 20122015 Dustin Sallings <dustin@spy.net>
* SPDX-License-Identifier: MIT
*/
package template
import (
"fmt"
"math"
)
func humanizeBytes(s int64) string {
if s < 10 {
return fmt.Sprintf("%d B", s)
}
base := 1024.0
e := math.Floor(logn(float64(s), base))
val := math.Floor(float64(s)/math.Pow(base, e)*10+0.5) / 10
f := "%.0f %s"
if val < 10 {
f = "%.1f %s"
}
sizes := []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB"}
return fmt.Sprintf(f, val, sizes[int(e)])
}
func logn(n, b float64) float64 {
return math.Log(n) / math.Log(b)
}