def save(self, arr, fname):
    with open(fname, 'wb') as fp:
        fp.write(self.__floheader__)
        fp.write(arr.astype(np.float32).tobytes())
def save(self, arr, fname):
    with open(fname, 'wb') as fp:
        fp.write(self.__floheader__)
        fp.write(arr.astype(np.float32).tobytes())