TIL `Math.hypot(x, y)` in JS is waaaaay slower than `Math.sqrt(x*x + y*y)`.
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TIL `Math.hypot(x, y)` in JS is waaaaay slower than `Math.sqrt(x*x + y*y)`. Apparently it uses a more precise algorithm under the hood: something something underflows overflows numerical stability.
Time to strip them all out of my codebase. ><
@jonikorpi Huh… I often use that in various languages to save a bit out typing when dx or dy are calculated values. I assumed it was just a shortcut…
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@jonikorpi Huh… I often use that in various languages to save a bit out typing when dx or dy are calculated values. I assumed it was just a shortcut…
@slembcke Me too. :s Hopefully the performance difference isn't as bad in other languages. Already varies quite a bit between browser engines.
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