Subtract()

void System.Xml.Xsl.XPathConvert.BigInteger.Subtract ( BigInteger bi )

inline

Definition at line 1233 of file XPathConvert.cs.

        {
            if (_length >= bi._length)
            {
                uint num = 1u;
                int i;
                for (i = 0; i < bi._length; i++)
                {
                    uint num2 = bi._digits[i];
                    if (num2 != 0 || num == 0)
                    {
                        num = AddU(ref _digits[i], ~num2 + num);
                    }
                }
                while (num == 0 && i < _length)
                {
                    num = AddU(ref _digits[i], uint.MaxValue);
                }
                if (num != 0)
                {
                    if (i == _length)
                    {
                        while (--i >= 0 && _digits[i] == 0)
                        {
                        }
                        _length = i + 1;
                    }
                    return;
                }
            }
            _length = 0;
        }

References System.Xml.Xsl.XPathConvert.BigInteger._digits, System.Xml.Xsl.XPathConvert.BigInteger._length, System.Xml.Xsl.XPathConvert.AddU(), and System.Xml.Dictionary.