(self, prec)
Round down unless digit prec-1 is 0 or 5.
Round down unless digit prec-1 is 0 or 5.
Round down unless digit prec - 1 is 0 or 5 .
def _round_05up(self, prec):
        """Round down unless digit prec-1 is 0 or 5."""
        if prec and self._int[prec-1] not in '05':
            return self._round_down(prec)
        else:
            return -self._round_down(prec)
def _round_05up ( self , prec ) : if prec and self . _int [ prec - 1 ] not in '05' : return self . _round_down ( prec ) else : return - self . _round_down ( prec )