NAME¶

SDL_acos - Use this function to compute arc cosine of x .

SYNOPSIS¶

#include "SDL3/SDL.h"

double SDL_acos(double x);

DESCRIPTION¶

The definition of y=acos(x) is x=cos(y) .

Domain: -1<=x<=1 Range: 0<=y<=Pi

FUNCTION PARAMETERS¶

x

floating point value, in radians.

RETURN VALUE¶

Returns arc cosine of x .

AVAILABILITY¶

This function is available since SDL 3.0.0.