def test_add_different_units():
a = np.random.randn(10)
b = QA(a, 'm')
c = QA(a, 's')
with raises(UnitError):
b + c
def test_add_same_units():
a = np.random.randn(10)
b = QA(a, 'm')
c = b + b
assert_almost_equal((b + b).view(np.ndarray), a + a)
assert c.unit == b.unit
def test_unit():
a = np.random.randn(10)
b = QA(a, 'm')
assert str(b.unit) == 'm'
def test_dir():
a = np.random.randn(10)
b = QA(a, 'm')
assert len(b.__dir__()) > 10
def test_multiply_different_units():
a = QA(np.random.randn(10), 'm')
b = QA(np.random.randn(10), 's')
c = a * b
assert str(c.unit) == 'm*s'
assert_almost_equal(c, a.view(np.ndarray) * b.view(np.ndarray))
def test_square():
a = QA(np.random.randn(10), 'm')
b = a**2
assert_almost_equal(b, a.view(np.ndarray)**2)
assert str(b.unit) == 'm^2'
def test_to():
a = np.random.randn(10)
b = QA(a, 'mm')
c = b.to('m')
assert_almost_equal((c+c).view(np.ndarray)*1e3, a+a)
def test_ufunc_fail():
a = np.random.randn(10)
b = QA(a, 'm')
c = QA(a, 's')
with raises(ValueError):
b + c
def test_dir():
a = np.random.randn(10)
b = QA(a, 'm')
assert len(b.__dir__()) > 10
def test_to():
a = np.random.randn(10)
b = QA(a, 'mm')
c = b.to('m')
assert_almost_equal((c + c).view(np.ndarray) * 1e3, a + a)
def test_to_multiple():
a = np.random.randn(10)
b = QA(a, 'm/s')
with raises(ValueError):
b.to('km/h', 'km/s')
def test_ufunc():
a = np.random.randn(10)
b = QA(a, 'm')
assert_almost_equal((b + b).view(np.ndarray), a + a)
def test_power():
a = QA(np.random.randn(10), 'm')
b = a**3
assert_almost_equal(b, a.view(np.ndarray)**3)
assert str(b.unit) == 'm^3'
def test_square():
a = QA(np.random.randn(10), 'm')
b = a**2
assert_almost_equal(b, a.view(np.ndarray)**2)
assert str(b.unit) == 'm^2'
def test_subtract_same_units():
a = QA(np.random.randn(10), 'm')
b = QA(np.random.randn(10), 'm')
assert_almost_equal((a - b).view(np.ndarray), a + b)
assert a.unit == b.unit
def test_getattr():
a = np.random.randn(10)
b = QA(a, 'm')
c = b.m
assert_almost_equal(b, c)
def test_multiply_different_units():
a = QA(np.random.randn(10), 'm')
b = QA(np.random.randn(10), 's')
c = a*b
assert str(c.unit) == 'm*s'
assert_almost_equal(c, a.view(np.ndarray)*b.view(np.ndarray))
def test_getattr_dropunit():
a = np.random.randn(10)
b = QA(a, 'm')
c = b.m_
assert_almost_equal(b, c)
def test_power():
a = QA(np.random.randn(10), 'm')
b = a**3
assert_almost_equal(b, a.view(np.ndarray)**3)
assert str(b.unit) == 'm^3'
def test_base_2():
a = np.random.randn(10)
b = QA(a, 'm/s')
c = b.base
assert_almost_equal(b, c)
def test_to_multiple():
a = np.random.randn(10)
b = QA(a, 'm/s')
with raises(ValueError):
b.to('km/h', 'km/s')
def test_repr():
a = np.random.randn(10)
b = QA(a, 'm')
assert len(b.__repr__()) > 5
def test_repr():
a = np.random.randn(10)
b = QA(a, 'm')
assert len(b.__repr__()) > 5
def test_subtract_different_units():
a = QA(np.random.randn(10), 'm')
b = QA(np.random.randn(10), 's')
with raises(UnitError):
a - b