def display_start(self):
        """Set up status display if option selected. NB: this method
        assumes that the first entry is the iteration count and the last
        is the rho value.
        """

        if self.opt['Verbose']:
            # If AutoRho option enabled rho is included in iteration status
            if self.opt['AutoRho', 'Enabled']:
                hdrtxt = type(self).hdrtxt()
            else:
                hdrtxt = type(self).hdrtxt()[0:-1]
            # Call utility function to construct status display formatting
            hdrstr, fmtstr, nsep = common.solve_status_str(
                hdrtxt, fwdth0=type(self).fwiter, fprec=type(self).fpothr)
            # Print header and separator strings
            if self.opt['StatusHeader']:
                print(hdrstr)
                print("-" * nsep)
        else:
            fmtstr, nsep = '', 0

        return fmtstr, nsep
Set up status display if option selected. NB: this method
        assumes that the first entry is the iteration count and the last
        is the rho value.