| public static Int64BitsToDouble ( long value ) : double | ||
| value | long | |
| Результат | double | |
/// <summary>
///
/// </summary>
/// <param name="exp"></param>
/// <returns></returns>
public static double PowerOf2(int exp)
{
if (exp > 1023 || exp < -1022)
{
throw new ArgumentException("Exponent out of bounds");
}
long expBias = exp + ExponentBias;
long bits = expBias << 52;
return(BitConverter.Int64BitsToDouble(bits));
}
public object?ToObject()
{
switch (CVType)
{
case CV_EMPTY:
return(null);
case CV_BOOLEAN:
return((object)((int)_data != 0));
case CV_I1:
return((object)((sbyte)_data));
case CV_U1:
return((object)((byte)_data));
case CV_CHAR:
return((object)((char)_data));
case CV_I2:
return((object)((short)_data));
case CV_U2:
return((object)((ushort)_data));
case CV_I4:
return((object)((int)_data));
case CV_U4:
return((object)((uint)_data));
case CV_I8:
return((object)((long)_data));
case CV_U8:
return((object)((ulong)_data));
case CV_R4:
return((object)(BitConverter.Int32BitsToSingle((int)_data)));
case CV_R8:
return((object)(BitConverter.Int64BitsToDouble(_data)));
case CV_DATETIME:
return(new DateTime(_data));
case CV_TIMESPAN:
return(new TimeSpan(_data));
case CV_ENUM:
return(BoxEnum());
case CV_MISSING:
return(Type.Missing);
case CV_NULL:
return(System.DBNull.Value);
case CV_DECIMAL:
case CV_STRING:
case CV_OBJECT:
default:
return(_objref);
}
}