Function cross3

perro_source/core/perro_builtin_meshes/src/lib.rs:524–530

(a: [f32; 3], b: [f32; 3])

#[inline]
fn cross3(a: [f32; 3], b: [f32; 3]) -> [f32; 3] {
    [
        a[1] * b[2] - a[2] * b[1],
        a[2] * b[0] - a[0] * b[2],
        a[0] * b[1] - a[1] * b[0],
    ]
}

#[inline]
fn dot3(a: [f32; 3], b: [f32; 3]) -> f32 {