public static bool IsInvalidFloat()

in FixAntenna/NetCore/Message/FixTypes.cs [131:184]

50 lines of code
12 McCabe index (conditional complexity)


		public static bool IsInvalidFloat(byte[] buffer, int offset, int count)
		{
			var limit = offset + count;
			if (limit > offset && buffer[offset] == (byte)'-')
			{
				offset++;
			}

			if (limit == offset)
			{
				return true;
			}

			var mantissa = 0L;
			var expCorr = 0;
			var isDecPointDetected = false;
			while (offset < limit)
			{
				var ch = buffer[offset++];
				if (ch == (byte)'.')
				{
					if (isDecPointDetected)
					{
						return true;
					}

					isDecPointDetected = true;
				}
				else if (ch < (byte)'0' || ch > (byte)'9')
				{
					return true;
				}
				else
				{
					if (mantissa < MaxMantissaThreshold)
					{
						mantissa = mantissa * 10L + (ch - '0');
						if (isDecPointDetected)
						{
							expCorr--;
						}
					}
					else
					{
						if (!isDecPointDetected)
						{
							expCorr++;
						}
					}
				}
			}

			return expCorr > MaxExponent || expCorr < MinExponent;
		}