def _evalAndDer(self, x):
    '\n        Returns the level and first derivative of the function at each value in\n        x.  Only called internally by HARKinterpolator1D.eval_and_der (etc).\n        '
    (y, dydx) = self._evalOrDer(x, True, True)
    return (y, dydx)
Returns the level and first derivative of the function at each value in
x.  Only called internally by HARKinterpolator1D.eval_and_der (etc).
def _evalAndDer(self, x):
    '\n        Returns the level and first derivative of the function at each value in\n        x.  Only called internally by HARKinterpolator1D.eval_and_der (etc).\n        '
    (y, dydx) = self._evalOrDer(x, True, True)
    return (y, dydx)