, 2, 3, 1, 3, 4, 3, 4, 5);
    assertTrue(goog.vec.Mat3.invert(m0, m0));
    assertElementsEquals([0.5, -1.0, 0.5, -3.5, 2.0, 0.5, 2.5, -1.0, -0.5], m0);

    goog.vec.Mat3.makeScale(m0, .01, .01, .01);
    assertTrue(goog.vec.Mat3.invert(m0, m0));
    var m1 = goog.vec.Mat3.create();
    goog.vec.Mat3.makeScale(m1, 100, 100, 100);
    assertElementsEquals(m1, m0);
  }

  function testEquals() {
    var m0 = goog.vec.Mat3.createFloat32FromValues(1, 2, 3, 4, 5, 6, 7, 8, 9);
    var m1 = goog.vec.Mat3.createF