Function gut::algo::normals::compute_vertex_area_weighted_normals

pub fn compute_vertex_area_weighted_normals<T, V3>(
    vertex_positions: &[V3], 
    topo: &[[usize; 3]], 
    normals: &mut [[T; 3]]
) where
    T: BaseNum + Neg<Output = T>,
    V3: Into<[T; 3]> + Clone,