class TestCase::Matrix4_16i : mulnum_t {
  has x11 : int;
  has x21 : int;
  has x31 : int;
  has x41 : int;
  has x12 : int;
  has x22 : int;
  has x32 : int;
  has x42 : int;
  has x13 : int;
  has x23 : int;
  has x33 : int;
  has x43 : int;
  has x14 : int;
  has x24 : int;
  has x34 : int;
  has x44 : int;
}