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 absolute value of x

Header File

Defined in <SDL3/SDL_stdinc.h>


float SDL_fabsf(float x);

Function Parameters

float x floating point value to use as the magnitude.

Return Value

(float) Returns the absolute value of x.


Domain: -INF <= x <= INF

Range: 0 <= y <= INF

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

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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