tweak minimize summary output format

                          update->minimize->einitial,

                          update->minimize->eprevious,

                          update->minimize->efinal);

      mesg += fmt::format("  Force two-norm initial, final = {} {}\n",

      mesg += fmt::format("  Force two-norm initial, final = {:.8} {:.8}\n",

                          update->minimize->fnorm2_init,update->minimize->fnorm2_final);

      mesg += fmt::format("  Force max component initial, final = {} {}\n",

      mesg += fmt::format("  Force max component initial, final = {:.8} {:.8}\n",

                          update->minimize->fnorminf_init,

                          update->minimize->fnorminf_final);

      mesg += fmt::format("  Final line search alpha, max atom move = {} {}\n",

      mesg += fmt::format("  Final line search alpha, max atom move = {:.8} {:.8}\n",

                          update->minimize->alpha_final,

                          update->minimize->alpha_final*

                          update->minimize->fnorminf_final);