def test_array(self):
a = ml.PQ(1.0*u.m, sigma=1.0*u.mm)
b = ml.PQ(2.0*u.m, sigma=1.0*u.mm)
c = ml.PQ(2.0*u.m, sigma=1.0*u.mm)
arr = ml.pqarray([a, b, c])
self.assertEqual(str(arr),
'[1.0000±0.0010 m (0.10%) 2.0000±0.0010 m (0.050%) 2.0000±0.0010 m (0.050%)]')
# Проверка, что там с размерностью у нуля
self.assertEqual(str((arr - a)[0].dim), 'm')
self.assertEqual(str(-arr).replace('\n', ''),
'[-1.0000±0.0010 m (0.10%) -2.0000±0.0010 m (0.050%) -2.0000±0.0010 m (0.050%)]')
self.assertEqual(str(a + arr), '[2.0000±0.0028 m (0.14%) 3.0000±0.0014 m (0.047%) 3.0000±0.0014 m (0.047%)]')
self.assertEqual(str(arr + a), '[2.0000±0.0028 m (0.14%) 3.0000±0.0014 m (0.047%) 3.0000±0.0014 m (0.047%)]')
self.assertEqual(str(a - arr), '[0.0000±0.0014 m (NaN%) -1.0000±0.0014 m (0.14%) -1.0000±0.0014 m (0.14%)]')
self.assertEqual(str(arr - a), '[0.0000±0.0014 m (NaN%) 1.0000±0.0014 m (0.14%) 1.0000±0.0014 m (0.14%)]')
self.assertEqual(str(b*arr).replace('\n', ''),
'[2.0000±0.0022 m**2 (0.11%) 4.000±0.006 m**2 (0.14%) 4.0000±0.0028 m**2 (0.071%)]')
self.assertEqual(str(arr*b).replace('\n', ''),
'[2.0000±0.0022 m**2 (0.11%) 4.000±0.006 m**2 (0.14%) 4.0000±0.0028 m**2 (0.071%)]')
self.assertEqual(str(b/arr).replace('\n', ''),
'[2.0000±0.0022 (0.11%) (1000.0±0.7)*10^-3 (0.071%) (1000.0±0.7)*10^-3 (0.071%)]')
self.assertEqual(str(arr/b).replace('\n', ''),
'[(500.0±0.6)*10^-3 (0.11%) 1.00±0.00 (0.00%) (1000.0±0.7)*10^-3 (0.071%)]')
self.assertEqual(str(b**[1, 2, 3]).replace('\n', ''),
'[2.0000±0.0010 m (0.050%) 4.000±0.004 m**2 (0.10%) 8.000±0.012 m**3 (0.15%)]')
self.assertEqual(str(arr**2).replace('\n', ''),
'[1.0000±0.0028 m**2 (0.28%) 4.000±0.006 m**2 (0.14%) 4.000±0.006 m**2 (0.14%)]')
self.assertEqual(str(np.sqrt(arr)).replace('\n', ''),
'[(1000.0±0.5)*10^-3 sqrt(m) (0.050%) (1414.2±0.4)*10^-3 sqrt(m) (0.025%) (1414.2±0.4)*10^-3 sqrt(m) (0.025%)]')
def test_arithmetic(self):
a = ml.PQ(1.0*u.m, sigma=1.0*u.mm)
b = ml.PQ(2.0*u.m, sigma=1.0*u.mm)
c = ml.PQ(3.0*u.m, sigma=1.0*u.mm)
self.assertEqual(str(a + b), '3.0000±0.0014 m (0.047%)')
self.assertEqual(str(a*3), '3.000±0.003 m (0.10%)')
self.assertEqual(str(a*b), '2.0000±0.0022 m**2 (0.11%)')
self.assertEqual(str(a/b), '(500.0±0.6)*10^-3 (0.11%)')
# Была двойка в размерности, починено, оставлено для предотвращения регрессии
self.assertEqual(str((u.s/b).val), '0.5*s/m')
self.assertEqual(str(1/b), '(5000.00±2.50)*10^-4 1/m (0.050%)')
self.assertEqual(str(-a), '-1.0000±0.0010 m (0.10%)')
self.assertEqual(str(b + c), '5.0000±0.0014 m (0.028%)')
self.assertEqual(str(c + b), '5.0000±0.0014 m (0.028%)')
self.assertEqual(str(c - b), '1.0000±0.0014 m (0.14%)')
self.assertEqual(str(b - c), '-1.0000±0.0014 m (0.14%)')
self.assertEqual(str(c*b), '6.000±0.004 m**2 (0.060%)')
self.assertEqual(str(b*c), '6.000±0.004 m**2 (0.060%)')
self.assertEqual(str(b/c), '(666.7±0.4)*10^-3 (0.060%)')
self.assertEqual(str(c/b), '(1500.0±0.9)*10^-3 (0.060%)')
self.assertEqual(str(b**2), '4.000±0.004 m**2 (0.10%)')
self.assertEqual(str(np.sqrt(b)), '(1414.2±0.4)*10^-3 sqrt(m) (0.025%)')
self.assertEqual(str(b**2/c), '1.3333±0.0014 m (0.11%)')
def test_format(self):
a = ml.PQ(12345.6*u.m, sigma=3*u.m, dim=u.m)
self.assertEqual(str(a), '12346±3 m (0.024%)')
a1 = ml.PQ(12345.5*u.m, sigma=3*u.m, dim=u.m)
self.assertEqual(str(a1), '12346±3 m (0.024%)')
b = ml.PQ(12345.4*u.m, sigma=3*u.m, dim=u.m)
self.assertEqual(str(b), '12345±3 m (0.024%)')
c = ml.PQ(0.4*u.m, sigma=0.3*u.m, dim=u.m)
self.assertEqual(str(c), '0.4±0.3 m (75%)')
d = ml.PQ(0.4*u.m, sigma=0.03*u.m, dim=u.m)
self.assertEqual(str(d), '0.40±0.03 m (7.5%)')
e = ml.PQ(0.00004*u.m, sigma=0.000003*u.m)
self.assertEqual(str(e), '(4.0±0.3)*10^-5 m (7.5%)')
f = ml.PQ(123456*u.m, sigma=3000*u.m)
self.assertEqual(str(f), '(12.3±0.3)*10^4 m (2.4%)')
g = ml.PQ(100000*u.m, sigma=3*u.m)
self.assertEqual(str(g), '100000±3 m (0.0030%)')
h = ml.PQ(1.0*u.m, sigma=1.0*u.mm)
self.assertEqual(str(h), '1.0000±0.0010 m (0.10%)')
def test_decimal_multipliers(self):
x = ml.PQ(2.0*u.milli*u.m, sigma=0.1*u.milli*u.m)
def test_dimension_of_symbols(self):
t1 = ml.PQ(1.0*u.s, is_const=True)
self.assertEquals(t1.dim, u.s)
t2 = ml.PQ(1*u.s, is_const=True)
self.assertEquals(t2.dim, u.s)
def test_types(self):
with self.assertRaises(Exception) as e:
a = ml.PQ(1.0*u.m, sigma=1.0*u.mm)
test = ml.PQ(a, sigma=2*u.m)