SDL_asin(3)

🌸 NAME 🌸

okay so bestie, SDL_asin — compute the arc sine of x. that's the whole name section, but we're gonna spill the tea below. Also this page is SDL_asin(3) from the SDL3 FUNCTIONS manual, so you know exactly where you are. 💅

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✨ SYNOPSIS ✨

#include <SDL3/SDL_stdinc.h>

double SDL_asin(double x);

That's it. That's the incantation. 🫶

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🦋 DESCRIPTION 🦋

The definition of y = asin(x) is x = sin(y). periodt.

Domain: -1 <= x <= 1

Range: -Pi/2 <= y <= Pi/2

This function operates on double-precision floating point values, use SDL_asinf for single-precision floats. so if you're on that float life, go see SDL_asinf. no cap.

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 lowkey don't expect bit-for-bit identical tea across every setup, okay? that's literally in the docs. 😭

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🎀 FUNCTION PARAMETERS 🎀

• x — floating point value. that's the vibe.

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💖 RETURN VALUE 💖

Returns arc sine of x, in radians. yes bestie, radians, not degrees. the math girlies know. 🔥

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🔥 THREAD SAFETY 🔥

It is safe to call this function from any thread. so go off, multi-threaded main character. 🫶

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⭐ AVAILABILITY ⭐

This function is available since SDL 3.2.0. so if you're on something older, that's not it.

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👑 SEE ALSO 👑

• SDL_asinf(3)
• SDL_acos(3)
• SDL_sin(3)

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later bestie 💖 — source: Simple Directmedia Layer, version: SDL 3.4.18, page: SDL_asin(3), and the date? it's giving unlisted, but that's the footer tea. 🌈