def test_pitchclass(self):
p0 = edo.EDO2_12Pitch(0, 1)
self.assertEqual(p0.pitchclass, 0)
# use too high number for pitchclass
self.assertRaises(ValueError, lambda: edo.EDO2_12Pitch(13))
# use false number for multiply
self.assertRaises(ValueError, lambda: edo.EDO2_12Pitch(0, 3))
def test_cents(self):
p0 = edo.EDO2_12Pitch(0, 1)
p1 = edo.EDO2_12Pitch(1, 1)
p2 = edo.EDO2_12Pitch(2, 1)
p3 = edo.EDO2_12Pitch(2.5, 1)
p4 = edo.EDO2_12Pitch(2.5, 2)
self.assertEqual(p0.cents, 0)
self.assertEqual(round(p1.cents, 3), 100)
self.assertEqual(round(p2.cents, 3), 200)
self.assertEqual(round(p3.cents, 3), 250)
self.assertEqual(round(p4.cents, 3), 1450)
def __init__(self, n_divisions=48, octaves=3):
float_and_oct = tuple((
n // n_divisions,
(n % n_divisions) / n_divisions * 12,
2**(n // n_divisions),
) for n in range(n_divisions * octaves))
float_and_oct += tuple((
n // n_divisions,
(n % n_divisions) / n_divisions * 12,
2**(n // n_divisions),
) for n in range(-18, 0))
self.available_pitches = tuple(
sorted(
tuple((edo.EDO2_12Pitch(fl, oc),
abjad.NumberedPitch(fl - 15 + (12 * n)))
for n, fl, oc in float_and_oct),
key=operator.itemgetter(0),
))
self.cents_of_available_pitches = tuple(
p[0].cents for p in self.available_pitches)
def test_repr(self):
p0 = edo.EDO2_12Pitch(0, 1)
self.assertEqual(repr(p0), str((p0.pitchclass, p0.multiply)))
def test_factor(self):
p0 = edo.EDO2_12Pitch(0, 1)
expected_factor = pow(2, 1 / 12)
self.assertEqual(p0.factor, expected_factor)