class TestCase::Matrix4_16l : mulnum_t {
has x11 : long;
has x21 : long;
has x31 : long;
has x41 : long;
has x12 : long;
has x22 : long;
has x32 : long;
has x42 : long;
has x13 : long;
has x23 : long;
has x33 : long;
has x43 : long;
has x14 : long;
has x24 : long;
has x34 : long;
has x44 : long;
}