@Test
  public void computeCosineWindow() {
    ImageFloat64 found = new ImageFloat64(20, 25);

    CirculantTracker.computeCosineWindow(found);

    // should be between 0 and 1
    for (int i = 0; i < found.data.length; i++) {
      assertTrue(found.data[i] >= 0 && found.data[i] <= 1);
    }

    centeredSymmetricChecks(found, false);
  }