SDL_sinf(3)

✨ SDL_sinf ✨

okay bestie, welcome to the SDL_sinf page from the SDL3 functions manual 💖 this one's short and sweet and honestly kind of iconic.

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🌸 NAME 🌸

SDL_sinf — compute the sine of x. that's it. that's the whole job. slay. 💅

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🎀 SYNOPSIS 🎀

#include <SDL3/SDL_stdinc.h>

float SDL_sinf(float x);

like… one line of include, one function. lowkey the cleanest synopsis on the block 🫶

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🦋 DESCRIPTION 🦋

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

• Domain: -INF <= x <= INF — she'll take literally any float you throw at her, no gatekeeping 💜
• Range: -1 <= y <= 1 — but she will NEVER leave that range. that's the rule. the range is the range, periodt ✨

This function operates on single-precision floating point values. if you want the double-precision version, go use SDL_sin instead — that's your girl for doubles. fr fr, don't mix them up 👑

⚠️ 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 do NOT go comparing SDL_sinf output across machines and expecting it to match character for character 😭 it's giving "approximately correct" energy and honestly that's fine for sine.

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🧚 FUNCTION PARAMETERS 🧚

• x — floating point value, in radians. (radians!! not degrees!! bestie please, radians 🌈)

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💜 RETURN VALUE 💜

Returns sine of x. cute, correct, does what it says on the tin ✨

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🔥 THREAD SAFETY 🔥

It is safe to call this function from any thread. no locks, no drama, no main-character bottleneck — every thread can just have her whenever it wants 👑💅

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⭐ AVAILABILITY ⭐

This function is available since SDL 3.2.0. so if you're on something older… girl. upgrade. 🫶

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🌈 SEE ALSO 🌈

• SDL_sin(3) — the double-precision one, for when you want more digits
• SDL_asinf(3) — arc sine, the reverse vibe
• SDL_cosf(3) — her bestie that does cosine instead

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k that's the whole page!! short, sweet, mathematically sound, no notes 🎀 go forth and compute your sines, bestie 🦋💖

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this page is from the SDL 3.4.18 documentation, dated like every good manpage, and it's brought to you by Simple Directmedia Layer — mwah, thanks for reading, ily, bye!! 💅✨