def asarrays(self):
if self._ind<self._nmax:<EOL><INDENT>return self._xs[:self._ind], self._ys[:self._ind]<EOL><DEDENT>ind = self._ind % self._nmax<EOL>self._xa[:self._nmax-ind] = self._xs[ind:]<EOL>self._xa[self._nmax-ind:] = self._xs[:ind]<EOL>self._ya[:self._nmax-ind] = self._ys[ind:]<EOL>self._ya[self._nmax-ind:] = self._ys[:ind]<EOL>return self._xa, self._ya<EOL>
Return *x* and *y* as arrays; their length will be the len of
data added or *nmax*.