BigInteger() [12/12]

System.Numerics.BigInteger.BigInteger ( uint[] value )

inlineprivate

Definition at line 497 of file BigInteger.cs.

    {
        if (value == null)
        {
            throw new ArgumentNullException("value");
        }
        int num = value.Length;
        bool flag = num > 0 && (value[num - 1] & 0x80000000u) == 2147483648u;
        while (num > 0 && value[num - 1] == 0)
        {
            num--;
        }
        switch (num)
        {
        case 0:
            this = s_bnZeroInt;
            return;
        case 1:
            if ((int)value[0] < 0 && !flag)
            {
                _bits = new uint[1];
                _bits[0] = value[0];
                _sign = 1;
            }
            else if (int.MinValue == (int)value[0])
            {
                this = s_bnMinInt;
            }
            else
            {
                _sign = (int)value[0];
                _bits = null;
            }
            return;
        }
        if (!flag)
        {
            if (num != value.Length)
            {
                _sign = 1;
                _bits = new uint[num];
                Array.Copy(value, _bits, num);
            }
            else
            {
                _sign = 1;
                _bits = value;
            }
            return;
        }
        NumericsHelpers.DangerousMakeTwosComplement(value);
        int num2 = value.Length;
        while (num2 > 0 && value[num2 - 1] == 0)
        {
            num2--;
        }
        if (num2 == 1 && (int)value[0] > 0)
        {
            if (value[0] == 1)
            {
                this = s_bnMinusOneInt;
                return;
            }
            if (value[0] == 2147483648u)
            {
                this = s_bnMinInt;
                return;
            }
            _sign = -1 * (int)value[0];
            _bits = null;
        }
        else if (num2 != value.Length)
        {
            _sign = -1;
            _bits = new uint[num2];
            Array.Copy(value, _bits, num2);
        }
        else
        {
            _sign = -1;
            _bits = value;
        }
    }

References System.Numerics.BigInteger._bits, System.Numerics.BigInteger._sign, System.Array.Copy(), System.Numerics.NumericsHelpers.DangerousMakeTwosComplement(), System.Numerics.BigInteger.s_bnMinInt, System.Numerics.BigInteger.s_bnMinusOneInt, System.Numerics.BigInteger.s_bnZeroInt, and System.value.