SDL_sqrt(3)

💅 SDL_sqrt — it's giving "math but make it double" ✨

okay bestie, so we're in the SDL3 FUNCTIONS section of the SDL_sqrt(3) manual, and this one is literally the square root girlie. let's get into it 🫶

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✨ SYNOPSIS ✨

#include <SDL3/SDL_stdinc.h>

double SDL_sqrt(double x);

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🌸 DESCRIPTION 🌸

okay so here's the vibe check on this function:

• Domain: 0 <= x <= INF
• Range: 0 <= y <= INF

This function operates on double-precision floating point values, bestie. if you're out here working with single-precision floats, you want SDL_sqrtf instead — don't mix them up, it's giving chaos 💀

and now for the part you need to hear: this function may use a different approximation across different versions, platforms and configurations. i.e, it can return a different value given the same input on different machines or operating systems, or if SDL is updated. so like… don't go comparing raw bits across two laptops and expecting them to match, okay? 😭 it's not being shady, it's just built different. literally.

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🎀 FUNCTION PARAMETERS 🎀

• x — floating point value. Must be greater than or equal to 0. no negatives, we don't do that here 🙈

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💖 RETURN VALUE 💖

Returns square root of x. that's it, that's the tea ☕ slay.

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🔥 THREAD SAFETY 🔥

It is safe to call this function from any thread. yes bestie, any thread. main character energy across the whole board 👑

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🌈 AVAILABILITY 🌈

This function is available since SDL 3.2.0. so if you're on something older… upgrade, i'm begging 🧚

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⭐ SEE ALSO ⭐

• SDL_sqrtf(3) — the single-precision sibling, go say hi 💜

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lowkey iconic that a square root function has this much personality. no cap.

kisses, this page came to you from Simple Directmedia Layer, version SDL 3.4.18 — mwah, catch you on the next manpage bestie 💅✨🎀🦋🌸