SDL Wiki
(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)


Compute the cosine of x.

Header File

Defined in <SDL3/SDL_stdinc.h>


double SDL_cos(double x);

Function Parameters

x floating point value, in radians

Return Value

Returns cosine of x


Domain: -INF <= x <= INF

Range: -1 <= y <= 1

This function operates on double-precision floating point values, use SDL_cosf for single-precision floats.

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.


This function is available since SDL 3.0.0.

See Also

CategoryAPI, CategoryAPIFunction, CategoryStdinc

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