Function encodeDecimal

pkg/util/encoding/decimal.go:54–79

(appendTo []byte, d *apd.Decimal, invert bool)

}

func encodeDecimal(appendTo []byte, d *apd.Decimal, invert bool) []byte {
	if d.IsZero() {
		// Negative and positive zero are encoded identically. Only nonsorting
		// decimal encoding can retain the sign.
		return append(appendTo, decimalZero)
	}
	neg := d.Negative != invert
	switch d.Form {
	case apd.Finite:
		// ignore
	case apd.Infinite:
		if neg {
			return append(appendTo, decimalNegativeInfinity)
		}
		return append(appendTo, decimalInfinity)
	case apd.NaN:
		if invert {
			return append(appendTo, decimalNaNDesc)
		}
		return append(appendTo, decimalNaN)
	default:
		panic(errors.Errorf("unknown form: %s", d.Form))
	}
	e, m := decimalEandM(d, appendTo[len(appendTo):])
	return encodeEandM(appendTo, neg, e, m)
}

// decimalEandM computes and returns the exponent E and mantissa M for d.
//