 = goog.vec.Matrix4.createFromArray(
        [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]);
    assertElementsEquals(
        [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16], a0);

    var a1 = goog.vec.Matrix4.create();
    goog.vec.Matrix4.setDiagonalValues(a1, 1, 2, 3, 4);
    assertElementsEquals(
        [1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 4], a1);

    goog.vec.Matrix4.setColumnValues(a1, 0, 2, 3, 4, 5);
    goog.vec.Matrix4.setColumnValues(a1, 1, 6, 7, 8, 9);
    goog.vec