527e9be058
- add test for number formatting - fix bug where 1B and 1M were not stored correctly - display 2 decimal points for million param sizes - display 1 decimal point for billion param sizes
33 lines
766 B
Go
33 lines
766 B
Go
package format
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import (
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"fmt"
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"math"
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)
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const (
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Thousand = 1000
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Million = Thousand * 1000
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Billion = Million * 1000
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)
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func HumanNumber(b uint64) string {
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switch {
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case b >= Billion:
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number := float64(b) / Billion
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if number == math.Floor(number) {
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return fmt.Sprintf("%.0fB", number) // no decimals if whole number
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}
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return fmt.Sprintf("%.1fB", number) // one decimal if not a whole number
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case b >= Million:
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number := float64(b) / Million
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if number == math.Floor(number) {
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return fmt.Sprintf("%.0fM", number) // no decimals if whole number
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}
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return fmt.Sprintf("%.2fM", number) // two decimals if not a whole number
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case b >= Thousand:
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return fmt.Sprintf("%.0fK", float64(b)/Thousand)
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default:
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return fmt.Sprintf("%d", b)
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}
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}
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