big.go

 1package humanize
 2
 3import (
 4	"math/big"
 5)
 6
 7// order of magnitude (to a max order)
 8func oomm(n, b *big.Int, maxmag int) (float64, int) {
 9	mag := 0
10	m := &big.Int{}
11	for n.Cmp(b) >= 0 {
12		n.DivMod(n, b, m)
13		mag++
14		if mag == maxmag && maxmag >= 0 {
15			break
16		}
17	}
18	return float64(n.Int64()) + (float64(m.Int64()) / float64(b.Int64())), mag
19}
20
21// total order of magnitude
22// (same as above, but with no upper limit)
23func oom(n, b *big.Int) (float64, int) {
24	mag := 0
25	m := &big.Int{}
26	for n.Cmp(b) >= 0 {
27		n.DivMod(n, b, m)
28		mag++
29	}
30	return float64(n.Int64()) + (float64(m.Int64()) / float64(b.Int64())), mag
31}