| //go:build go1.6 |
| // +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() |
| } |