def _set_initial(self, C_in, scale_in):
        r"""Set the initial values for parameters and Wilson coefficients at
        the scale `scale_in`."""
        self.C_in = C_in
        self.scale_in = scale_in
def _set_initial ( self , C_in , scale_in ) : self . C_in = C_in self . scale_in = scale_in
r"""Set the initial values for parameters and Wilson coefficients at
        the scale `scale_in`.