// valvect.cpp -- comparing vector and valarray #include #include #include #include int main() { using namespace std; vector data; double temp; cout << "Enter numbers (<=0 to quit):\n"; while (cin >> temp && temp > 0) data.push_back(temp); sort(data.begin(), data.end()); int size = data.size(); valarray numbers(size); int i; for (i = 0; i < size; i++) numbers[i] = data[i]; valarray sq_rts(size); sq_rts = sqrt(numbers); valarray results(size); results = numbers + 2.0 * sq_rts; cout.setf(ios_base::fixed); cout.precision(4); for (i = 0; i < size; i++) { cout.width(8); cout << numbers[i] << ": "; cout.width(8); cout << results[i] << endl; } cout << "done\n"; // cin.get(); // cin.get(); return 0; }