pub fn triangle_area(
a: Matrix<f32, Const<nalgebra::::base::dimension::U3::{constant#0}>, Const<1>, ArrayStorage<f32, 3, 1>>,
b: Matrix<f32, Const<nalgebra::::base::dimension::U3::{constant#0}>, Const<1>, ArrayStorage<f32, 3, 1>>,
c: Matrix<f32, Const<nalgebra::::base::dimension::U3::{constant#0}>, Const<1>, ArrayStorage<f32, 3, 1>>,
) -> f32