operator double()

static System.Numerics.BigInteger.operator double ( BigInteger value )

inlineexplicitstatic

Definition at line 1547 of file BigInteger.cs.

    {
        int sign = value._sign;
        uint[] bits = value._bits;
        if (bits == null)
        {
            return sign;
        }
        int num = bits.Length;
        if (num > 32)
        {
            if (sign == 1)
            {
                return double.PositiveInfinity;
            }
            return double.NegativeInfinity;
        }
        ulong num2 = bits[num - 1];
        ulong num3 = ((num > 1) ? bits[num - 2] : 0u);
        ulong num4 = ((num > 2) ? bits[num - 3] : 0u);
        int num5 = NumericsHelpers.CbitHighZero((uint)num2);
        int exp = (num - 2) * 32 - num5;
        ulong man = (num2 << 32 + num5) | (num3 << num5) | (num4 >> 32 - num5);
        return NumericsHelpers.GetDoubleFromParts(sign, exp, man);
    }

References System.Numerics.NumericsHelpers.CbitHighZero(), System.Numerics.NumericsHelpers.GetDoubleFromParts(), and System.value.