cubefs

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//go:build go1.6
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// +build go1.6
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package humanize
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import (
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	"bytes"
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	"math/big"
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	"strings"
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)
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// BigCommaf produces a string form of the given big.Float in base 10
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// with commas after every three orders of magnitude.
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func BigCommaf(v *big.Float) string {
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	buf := &bytes.Buffer{}
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	if v.Sign() < 0 {
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		buf.Write([]byte{'-'})
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		v.Abs(v)
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	}
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	comma := []byte{','}
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	parts := strings.Split(v.Text('f', -1), ".")
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	pos := 0
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	if len(parts[0])%3 != 0 {
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		pos += len(parts[0]) % 3
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		buf.WriteString(parts[0][:pos])
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		buf.Write(comma)
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	}
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	for ; pos < len(parts[0]); pos += 3 {
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		buf.WriteString(parts[0][pos : pos+3])
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		buf.Write(comma)
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	}
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	buf.Truncate(buf.Len() - 1)
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	if len(parts) > 1 {
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		buf.Write([]byte{'.'})
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		buf.WriteString(parts[1])
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	}
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	return buf.String()
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}
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