System.Number.NumberBuffer.PackForNative C# (CSharp) Метод

            public Byte* PackForNative() {
                Int32* baseInteger = (Int32*) baseAddress;
                baseInteger[0] = precision;
                baseInteger[1] = scale;
                baseInteger[2] = sign ? 1 : 0;
                return baseAddress;
            }
        }

        internal static unsafe double ParseDouble(string value, NumberStyles options, NumberFormatInfo numfmt)
        {
            if (value == null)
            {
                throw new ArgumentNullException("value");
            }
            byte *stackBuffer = stackalloc byte[Number.NumberBuffer.NumberBufferBytes];

            Number.NumberBuffer number = new Number.NumberBuffer(stackBuffer);
            double num = 0.0;

            if (!Number.TryStringToNumber(value, options, ref number, numfmt, false))
            {
                string str = value.Trim();
                if (str.Equals(numfmt.PositiveInfinitySymbol))
                {
                    return(double.PositiveInfinity);
                }
                if (str.Equals(numfmt.NegativeInfinitySymbol))
                {
                    return(double.NegativeInfinity);
                }
                if (str.Equals(numfmt.NaNSymbol))
                {
                    return(double.NaN);
                }
                throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
            }
            if (!Number.NumberBufferToDouble(number.PackForNative(), ref num))
            {
                throw new OverflowException(Environment.GetResourceString("Overflow_Double"));
            }
            return(num);
        }