void test_threads()
{
{
std::cout << "non-async" << std::endl;
std::vector<double> f1(fib(50));
std::vector<double> f2(fib(50));
std::vector<double> f3(fib(50));
std::vector<double> f4(fib(50));
std::vector<double> f_sum(f1 + f2 + f3 + f4);
std::sort(f_sum.begin(), f_sum.end());
print_fib(f_sum);
}
{
std::cout << "async" << std::endl;
std::future<std::vector<double> > f1(std::async(std::launch::async, []() {
return fib(50);
}));
std::future<std::vector<double> > f2(std::async(std::launch::async, []() {
return fib(50);
}));
std::future<std::vector<double> > f3(std::async(std::launch::async, []() {
return fib(50);
}));
std::future<std::vector<double> > f4(std::async(std::launch::async, []() {
return fib(50);
}));
std::vector<double> f_sum(f1.get() + f2.get() + f3.get() + f4.get());
std::sort(f_sum.begin(), f_sum.end());
print_fib(f_sum);
}
}
int main(int argc, char *argv[]) {
int i = 1;
#ifdef FIBONACCI
if (i < argc) {
print_fib(atoi(argv[i]));
i++;
}
#endif
#ifdef REVERSE
if (i < argc) {
reverse(argv[i], strlen(argv[i]));
i++;
}
#endif
return 0;
}
int main()
{
print_fib(2);
return 0;
}
