Function SDL_acos
pub unsafe extern "C" fn SDL_acos(x: f64) -> f64 ⓘAvailable on crate feature
dep_sdl2 only.Expand description
Use this function to compute arc cosine of x.
The definition of y = acos(x) is x = cos(y).
Domain: -1 <= x <= 1
Range: 0 <= y <= Pi
\param x floating point value, in radians.
\returns arc cosine of x.
\since This function is available since SDL 2.0.2.