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 tangent of x.

Header File

Defined in <SDL3/SDL_stdinc.h>


double SDL_tan(double x);

Function Parameters

double x floating point value, in radians.

Return Value

(double) Returns tangent of x.


Domain: -INF <= x <= INF

Range: -INF <= y <= INF

This function operates on double-precision floating point values, use SDL_tanf 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.

Thread Safety

It is safe to call this function from any thread.


This function is available since SDL 3.0.0.

See Also

CategoryAPI, CategoryAPIFunction, CategoryStdinc

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