clang 14.0.0 浮点优化

Clang 14.0.0 浮点优化

c++
#include 
#include 
int main() {
    const int N = 1000000;
    double sum = 0.0;
    for (int i = 1; i <= N; ++i) {
        sum += 1.0 / std::sqrt(i);
    }
    std::cout << "Sum: " << sum << std::endl;
    return 0;
}