def sapm_celltemp(self, irrad, wind, temp):
return sapm_celltemp(irrad, wind, temp, self.racking_model)<EOL>
Uses :py:func:`sapm_celltemp` to calculate module and cell
        temperatures based on ``self.racking_model`` and
        the input parameters.

        Parameters
        ----------
        See pvsystem.sapm_celltemp for details

        Returns
        -------
        See pvsystem.sapm_celltemp for details