code: protected final void writeLEDouble(double v) throws IOException {
  		ensureAvailableBytes(8);
  		this.buffer.order(ByteOrder.LITTLE_ENDIAN);
  		this.buffer.putDouble(v);
  	}
docs: Write a little endian 8-byte floating point number.
  
  @param v is a little endian 8-byte floating point number.
  @throws IOException in case of error.