|
May
16
|
The Double class contains two methods that return a representation of a floating point value according to the IEEE 754 floating-point “double format” bit layout.
The first, doubleToLongBits() does not preserve NaN and returns it as 0×7ff8000000000000L.
The second, doubleToRawLongBits() does preserve NaN and returns the representation of the actual NaN value.
The long returned by these methods can then be converted to a byte array.
byte[] array = longToByteArray(Double.doubleToRawLongBits(doubleValue));
