package main

import (
	"fmt"
	"time"
)

func timing(name string, t0 time.Time) {
	debugf("%s: %.02f ms", name, time.Since(t0).Seconds()*1000)
}

func MetricPrefix(n int) string {
	if n > 1e9 {
		return fmt.Sprintf("%.02f G", float64(n)/1e9)
	}
	if n > 1e6 {
		return fmt.Sprintf("%.02f M", float64(n)/1e6)
	}
	if n > 1e3 {
		return fmt.Sprintf("%.01f k", float64(n)/1e3)
	}
	return fmt.Sprintf("%d ", n)
}

func BinaryPrefix(n int) string {
	if n > 1<<30 {
		return fmt.Sprintf("%.02f Gi", float64(n)/(1<<30))
	}
	if n > 1<<20 {
		return fmt.Sprintf("%.02f Mi", float64(n)/(1<<20))
	}
	if n > 1<<10 {
		return fmt.Sprintf("%.01f Ki", float64(n)/(1<<10))
	}
	return fmt.Sprintf("%d ", n)
}