def test_w2():
    calculated = w(np.array([1000, 2000, 3000]))
    quasi = np.array([6283.185307179, 12566.370614359, 18849.555921538])
    assert_array_almost_equal(calculated, quasi)
def test_w2():
    calculated = w(np.array([1000, 2000, 3000]))
    quasi = np.array([6283.185307179, 12566.370614359, 18849.555921538])
    assert_array_almost_equal(calculated, quasi)
def test_w1():
    calculated = w(1000)
    quasi = 6283.185307179
    assert_almost_equal(calculated, quasi)
def test_w1():
    calculated = w(1000)
    quasi = 6283.185307179
    assert_almost_equal(calculated, quasi)