 m0, goog.vec.EPSILON);
  }

  function testRotateX() {
    var m0 = goog.vec.Mat3.createFloat32();
    var m1 = goog.vec.Mat3.createFloat32FromArray(randomMat3)

    goog.vec.Mat3.makeRotateX(m0, Math.PI / 7);
    goog.vec.Mat3.multMat(m1, m0, m0);
    goog.vec.Mat3.rotateX(m1, Math.PI / 7);
    assertElementsRoughlyEqual(m0, m1, goog.vec.EPSILON);
  }

  function testRotateY() {
    var m0 = goog.vec.Mat3.createFloat32();
    var m1 = goog.vec.Mat3.createFloat32FromArray(randomMat3)

    goog.vec.Mat3.mak