docs: def _rgevolve_leadinglog(self, scale_out):
          """Compute the leading logarithmic approximation to the solution
          of the SMEFT RGEs from the initial scale to `scale_out`.
          Returns a dictionary with parameters and Wilson coefficients.
          Much faster but less precise that `rgevolve`.
          """
          self._check_initial()
          return rge.smeft_evolve_leadinglog(C_in=self.C_in,
                              scale_in=self.scale_in,
                              scale_out=scale_out)