examples++-load/isoline.cpp:423: error: DEAD_STORE The value written to &Uvp (type double) is never used. Showing all 1 steps of the trace examples++-load/isoline.cpp:423:13: Write of unused value 421. 422. if(ddd1) cout << " ** " << i<< " " << "ui =" << Ui << endl; 423. double Uvp=Ui; ^ 424. while (!pqv.empty()) 425. {