fprintf(out_file, "\t\t<hw_alpha> %0.10e </hw_alpha>\n",
rrd.rra_def[i].par[RRA_hw_alpha].u_val);
fprintf(out_file, "\t\t<hw_beta> %0.10e </hw_beta>\n",
fprintf(out_file, "\t\t<hw_alpha> %0.10e </hw_alpha>\n",
rrd.rra_def[i].par[RRA_hw_alpha].u_val);
fprintf(out_file, "\t\t<hw_beta> %0.10e </hw_beta>\n",