def test_pow_to_db_to_pow_arrays(self):
x = pow2db(db2pow((1.234567, 2.345678)))
self.assertEqual(np.rank(x), 1)
self.assertEqual(len(x), 2)
self.assertAlmostEqual(x[0], 1.234567, places=6)
self.assertAlmostEqual(x[1], 2.345678, places=6)
def test_known_value_0_1(self):
x = pow2db(0.1)
self.assertAlmostEqual(x, -10.0, places=6)
def test_pow_to_db_to_pow(self):
x = pow2db(db2pow(1.234567))
self.assertAlmostEqual(x, 1.234567, places=6)
def test_nested(self):
x = lin2db(db2pow(pow2db(db2lin(1.234567))))
self.assertAlmostEqual(x, 1.234567, places=6)
def test_known_value_0_0(self):
x = pow2db(0.0)
self.assertTrue(np.isneginf(x))
def test_known_value_2(self):
x = pow2db(2)
self.assertAlmostEqual(x, 3.01, places=2)
def test_known_value_0_5(self):
x = pow2db(0.5)
self.assertAlmostEqual(x, -3.01, places=2)
