mirror of
https://github.com/42wim/matterbridge.git
synced 2024-12-29 14:42:39 +01:00
41 lines
745 B
Go
41 lines
745 B
Go
|
// +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()
|
||
|
|
}
|