Function babalcore::triangle_wave

pub fn triangle_wave(x: f64) -> f64

Triangle wave func as defined here: https://en.wikipedia.org/wiki/Triangle_wave It alternates between values of -1 and 1, with a global period of 1. It switches between them at x == 0.5.

use babalcore::*;

assert_eq!(-1.0, triangle_wave(-0.25));
assert_eq!(1.0, triangle_wave(0.25));
assert_eq!(-1.0, triangle_wave(0.75));
assert_eq!(1.0, triangle_wave(1.25));