Function synfx_dsp::fast_sin

pub fn fast_sin(x: f32) -> f32

A faster implementation of sine. It’s not that much faster than Rust’s built in sine function. But YMMV.

Don’t forget to call init_cos_tab before using this!

 use synfx_dsp::*;
 init_cos_tab(); // Once on process initialization.

 // ...
 assert!((fast_sin(0.5 * std::f32::consts::PI) - 1.0).abs() < 0.001);