Function encodeLargeNumber

postgres/parser/encoding/decimal.go:228–234

encodeLargeNumber encodes the exponent and mantissa into a buffer; only used when the exponent is larger than 10. See encodeVarExpNumber.

(negative bool, e int, m []byte, encInto []byte)

// encodeLargeNumber encodes the exponent and mantissa into a buffer; only used
// when the exponent is larger than 10. See encodeVarExpNumber.
func encodeLargeNumber(negative bool, e int, m []byte, encInto []byte) []byte {
	if negative {
		onesComplement(m)
		return encodeVarExpNumber(decimalNegLarge, false, uint64(e), m, encInto)
	}
	return encodeVarExpNumber(decimalPosLarge, true, uint64(e), m, encInto)
}

// encodeMediumNumber encodes the exponent and mantissa into a buffer, only used
// when the exponent is in [0, 10].