def test_cos(): a = cos(interval(0, np.pi / 4)) assert a.start == np.cos(np.pi / 4) assert a.end == 1 a = cos(interval(-np.pi / 4, np.pi / 4)) assert a.start == np.cos(-np.pi / 4) assert a.end == 1 a = cos(interval(np.pi / 4, 3 * np.pi / 4)) assert a.start == np.cos(3 * np.pi / 4) assert a.end == np.cos(np.pi / 4) a = cos(interval(3 * np.pi / 4, 5 * np.pi / 4)) assert a.start == -1 assert a.end == np.cos(3 * np.pi / 4) a = cos(interval(0, 3 * np.pi)) assert a.start == -1 assert a.end == 1 a = cos(interval(- np.pi / 3, 5 * np.pi / 4)) assert a.start == -1 assert a.end == 1 a = cos(interval(1, 2, is_valid=False)) assert a.is_valid is False
def test_cos(): a = cos(interval(0, np.pi / 4)) assert a.start == np.cos(np.pi / 4) assert a.end == 1 a = cos(interval(-np.pi / 4, np.pi / 4)) assert a.start == np.cos(-np.pi / 4) assert a.end == 1 a = cos(interval(np.pi / 4, 3 * np.pi / 4)) assert a.start == np.cos(3 * np.pi / 4) assert a.end == np.cos(np.pi / 4) a = cos(interval(3 * np.pi / 4, 5 * np.pi / 4)) assert a.start == -1 assert a.end == np.cos(3 * np.pi / 4) a = cos(interval(0, 3 * np.pi)) assert a.start == -1 assert a.end == 1 a = cos(interval(-np.pi / 3, 5 * np.pi / 4)) assert a.start == -1 assert a.end == 1 a = cos(interval(1, 2, is_valid=False)) assert a.is_valid is False