// SetDecimal encodes the specified decimal value into the bytes field of
// the receiver using Gob encoding, sets the tag and clears the checksum.
func (v *Value) SetDecimal(dec *inf.Dec) error {
decSize := encoding.UpperBoundNonsortingDecimalSize(dec)
v.RawBytes = make([]byte, headerSize, headerSize+decSize)
v.RawBytes = encoding.EncodeNonsortingDecimal(v.RawBytes, dec)
v.setTag(ValueType_DECIMAL)
return nil
}
// EncodeDecimalValue encodes an inf.Dec value, appends it to the supplied
// buffer, and returns the final buffer.
func EncodeDecimalValue(appendTo []byte, d *inf.Dec, delimited bool) []byte {
if delimited {
appendTo = append(appendTo, byte(ValueType_DELIMITED_DECIMAL))
// To avoid the allocation, leave space for the varint, encode the decimal,
// encode the varint, and shift the encoded decimal to the end of the
// varint.
varintPos := len(appendTo)
// Manually append 10 (binary.MaxVarintLen64) 0s to avoid the allocation.
appendTo = append(appendTo, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
decOffset := len(appendTo)
appendTo = encoding.EncodeNonsortingDecimal(appendTo, d)
decLen := len(appendTo) - decOffset
varintLen := binary.PutVarint(appendTo[varintPos:decOffset], int64(decLen))
copy(appendTo[varintPos+varintLen:varintPos+varintLen+decLen], appendTo[decOffset:decOffset+decLen])
return appendTo[:varintPos+varintLen+decLen]
}
appendTo = append(appendTo, byte(ValueType_DECIMAL))
return encoding.EncodeNonsortingDecimal(appendTo, d)
}
