dsm

/*http://www.lomont.org/papers/2003/InvSqrt.pdf*/
float fsqrtf(float x) {
    if(x<0.0f){
        return __builtin_nanf("");
    }
    const float xhalf = 0.5f * x;
    
    union {
        float x;
        int i;

dsm

! 2022-03-08 https://www.youtube.com
www.youtube.com##ytd-guide-entry-renderer.ytd-guide-section-renderer.style-scope > .ytd-guide-entry-renderer.style-scope.yt-simple-endpoint:has-text(Shorts)
! 2022-05-18 https://www.youtube.com
www.youtube.com##.ytd-item-section-renderer.style-scope > .ytd-reel-shelf-renderer.style-scope

www.youtube.com##ytd-browse ytd-rich-item-renderer:has(#video-title-link[title~="#short" i])
www.youtube.com##ytd-browse ytd-rich-item-renderer:has(#video-title-link[title~="#shorts" i])
www.youtube.com##ytd-browse ytd-rich-item-renderer:has(#video-title-link[title~="#Short" i])
www.youtube.com##ytd-browse ytd-rich-item-renderer:has(#video-title-link[title~="#Shorts" i])

dsm

#include <chrono>
#include <iostream>

int main() {
  decltype(auto) start{std::chrono::steady_clock::now()};

  /*put somefunc();*/

  decltype(auto) end{std::chrono::steady_clock::now()};