Function is_non_uniform

src/ifcgeom/kernels/opencascade/base_utils.cpp:305–316

namespace {
	bool is_non_uniform(const Eigen::Matrix4d& M, double eps = 1e-6)
	{
		Eigen::Matrix3d L = M.block<3, 3>(0, 0);
		double sx = L.col(0).norm();
		double sy = L.col(1).norm();
		double sz = L.col(2).norm();
		return !(
			std::abs(sx - sy) < eps &&
			std::abs(sx - sz) < eps &&
			std::abs(sy - sz) < eps
		);
	}
}

TopoDS_Shape IfcGeom::util::apply_transformation(const TopoDS_Shape& s, const ifcopenshell::geometry::taxonomy::matrix4& t) {