TryParseDouble()

static bool System.Xml.XmlConverter.TryParseDouble ( byte[] chars, int offset, int count, out double result )

inlinestaticprivate

Definition at line 770 of file XmlConverter.cs.

    {
        result = 0.0;
        int num = offset + count;
        bool flag = false;
        if (offset < num && chars[offset] == 45)
        {
            flag = true;
            offset++;
            count--;
        }
        if (count < 1 || count > 10)
        {
            return false;
        }
        int num2 = 0;
        while (offset < num)
        {
            int num3 = chars[offset] - 48;
            switch (num3)
            {
            case -2:
            {
                offset++;
                int num4 = 1;
                while (offset < num)
                {
                    num3 = chars[offset] - 48;
                    if ((uint)num3 >= 10u)
                    {
                        return false;
                    }
                    num4 *= 10;
                    num2 = num2 * 10 + num3;
                    offset++;
                }
                if (flag)
                {
                    result = (0.0 - (double)num2) / (double)num4;
                }
                else
                {
                    result = (double)num2 / (double)num4;
                }
                return true;
            }
            default:
                return false;
            case 0:
            case 1:
            case 2:
            case 3:
            case 4:
            case 5:
            case 6:
            case 7:
            case 8:
            case 9:
                break;
            }
            num2 = num2 * 10 + num3;
            offset++;
        }
        if (count == 10)
        {
            return false;
        }
        if (flag)
        {
            result = -num2;
        }
        else
        {
            result = num2;
        }
        return true;
    }

References System.chars, System.count, System.Xml.Dictionary, and System.offset.

Referenced by System.Xml.XmlConverter.ToDouble().