class TestCase::Matrix4_16f : mulnum_t {
  has x11 : float;
  has x21 : float;
  has x31 : float;
  has x41 : float;
  has x12 : float;
  has x22 : float;
  has x32 : float;
  has x42 : float;
  has x13 : float;
  has x23 : float;
  has x33 : float;
  has x43 : float;
  has x14 : float;
  has x24 : float;
  has x34 : float;
  has x44 : float;
}