add period

apps/multi_traj.cpp

@@ -62,7 +62,7 @@ int main(int argc, char *argv[])
         for(auto task : crossTasks){
             ofs << task.first;
             for(auto period : task.second){
-                ofs << " " << period.first << " " << period.second;
+                ofs << setprecision(15) << " " << period.first << " " << period.second;
 
             }
             ofs << std::endl;