-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
// +build go1.6
package humanize
import (
"bytes"
"math/big"
"strings"
)
// BigCommaf produces a string form of the given big.Float in base 10
// with commas after every three orders of magnitude.
func BigCommaf(v *big.Float) string {
buf := &bytes.Buffer{}
if v.Sign() < 0 {
buf.Write([]byte{'-'})
v.Abs(v)
}
comma := []byte{','}
parts := strings.Split(v.Text('f', -1), ".")
pos := 0
if len(parts[0])%3 != 0 {
pos += len(parts[0]) % 3
buf.WriteString(parts[0][:pos])
buf.Write(comma)
}
for ; pos < len(parts[0]); pos += 3 {
buf.WriteString(parts[0][pos : pos+3])
buf.Write(comma)
}
buf.Truncate(buf.Len() - 1)
if len(parts) > 1 {
buf.Write([]byte{'.'})
buf.WriteString(parts[1])
}
return buf.String()
}