.. vars_from ========== .. .. currentmodule:: rateslib.dual .. py:method:: PPSplineF64.bsplev(x, i) Evaluate value of the *i* th b-spline at x coordinates. Repeatedly applies :meth:`~rateslib.splines.bsplev_single`. .. warning:: The *x* coordinates supplied to this function are treated as *float*, or are **converted** to *float*. Therefore it does not guarantee the preservation of AD sensitivities. :param x: x-axis coordinates. :type x: ndarray of float :param i: The index of the b-spline to evaluate. :type i: int :rtype: ndarray