/// <summary>
/// Writes the provided value value as a tagged decimal fraction encoding,
/// as described in RFC7049 section 2.4.3
/// </summary>
/// <param name="value">The value to write.</param>
/// <exception cref="InvalidOperationException">
/// Writing a new value exceeds the definite length of the parent data item. -or-
/// The major type of the encoded value is not permitted in the parent data item. -or-
/// The written data is not accepted under the current conformance mode.
/// </exception>
public void WriteDecimal(decimal value)
{
DecimalHelpers.Deconstruct(value, out decimal mantissa, out byte scale);
WriteTag(CborTag.DecimalFraction);
WriteStartArray(2);
WriteInt64(-(long)scale);
if (-1m - ulong.MinValue <= mantissa && mantissa <= ulong.MaxValue)
{
if (mantissa >= 0m)
{
WriteUInt64((ulong)mantissa);
}
else
{
WriteCborNegativeIntegerRepresentation((ulong)(-1m - mantissa));
}
}
else
{
// the mantissa can also be a BigNum
WriteBigInteger((BigInteger)mantissa);
}
WriteEndArray();
}
public void WriteDecimal(decimal value)
{
// implements https://tools.ietf.org/html/rfc7049#section-2.4.3
DecimalHelpers.Deconstruct(value, out decimal mantissa, out byte scale);
WriteTag(CborTag.DecimalFraction);
WriteStartArray(2);
WriteInt64(-(long)scale);
if (-1m - ulong.MinValue <= mantissa && mantissa <= ulong.MaxValue)
{
if (mantissa >= 0m)
{
WriteUInt64((ulong)mantissa);
}
else
{
WriteCborNegativeIntegerEncoding((ulong)(-1m - mantissa));
}
}
else
{
// the mantissa can also be a BigNum
WriteBigInteger((BigInteger)mantissa);
}
WriteEndArray();
}
