def test_setitem(self):
self.assertRaises(ValueError, self.q.__setitem__, (0,0), 1)
self.assertRaises(ValueError, self.q.__setitem__, (0,0), 1*self.ureg.J)
self.assertRaises(ValueError, self.q.__setitem__, 0, 1)
self.assertRaises(ValueError, self.q.__setitem__, 0, np.ndarray([1, 2]))
self.assertRaises(ValueError, self.q.__setitem__, 0, 1*self.ureg.J)
q = self.q.copy()
q[0] = 1*self.ureg.m
self.assertQuantityEqual(q, [[1,1],[3,4]]*self.ureg.m)
q = self.q.copy()
q.__setitem__(Ellipsis, 1*self.ureg.m)
self.assertQuantityEqual(q, [[1,1],[1,1]]*self.ureg.m)
q = self.q.copy()
q[:] = 1*self.ureg.m
self.assertQuantityEqual(q, [[1,1],[1,1]]*self.ureg.m)
# check and see that dimensionless num bers work correctly
q = [0,1,2,3]*self.ureg.dimensionless
q[0] = 1
self.assertQuantityEqual(q, np.asarray([1,1,2,3]))
q[0] = self.ureg.m/self.ureg.mm
self.assertQuantityEqual(q, np.asarray([1000, 1,2,3]))
q = [0.,1.,2.,3.] * self.ureg.m / self.ureg.mm
q[0] = 1.
self.assertQuantityEqual(q, [0.001,1,2,3]*self.ureg.m / self.ureg.mm)
def test_issue75(self):
ureg = UnitRegistry()
v1 = np.asarray([1., 2., 3.])
v2 = np.asarray([3., 2., 1.])
q1 = v1 * ureg.ms
q2 = v2 * ureg.ms
np.testing.assert_array_equal(q1 == q2, v1 == v2)
np.testing.assert_array_equal(q1 != q2, v1 != v2)
q2s = np.asarray([0.003, 0.002, 0.001]) * ureg.s
v2s = q2s.to('ms').magnitude
np.testing.assert_array_equal(q1 == q2s, v1 == v2s)
np.testing.assert_array_equal(q1 != q2s, v1 != v2s)
def test_issue75(self):
ureg = UnitRegistry()
v1 = np.asarray([1, 2, 3])
v2 = np.asarray([3, 2, 1])
q1 = v1 * ureg.ms
q2 = v2 * ureg.ms
self.assertSequenceEqual(q1 == q2, v1 == v2)
self.assertSequenceEqual(q1 != q2, v1 != v2)
q2s = np.asarray([0.003, 0.002, 0.001]) * ureg.s
v2s = q2s.to('ms').magnitude
self.assertSequenceEqual(q1 == q2s, v1 == v2s)
self.assertSequenceEqual(q1 != q2s, v1 != v2s)
def test_power(self):
"""This is not supported as different elements might end up with different units
eg. ([1, 1] * m) ** [2, 3]
Must force exponent to single value
"""
self._test2(np.power, self.q1,
(self.qless, np.asarray([1., 2, 3, 4])),
(self.q2, ),)
def test_issue74(self):
ureg = UnitRegistry()
v1 = np.asarray([1.0, 2.0, 3.0])
v2 = np.asarray([3.0, 2.0, 1.0])
q1 = v1 * ureg.ms
q2 = v2 * ureg.ms
np.testing.assert_array_equal(q1 < q2, v1 < v2)
np.testing.assert_array_equal(q1 > q2, v1 > v2)
np.testing.assert_array_equal(q1 <= q2, v1 <= v2)
np.testing.assert_array_equal(q1 >= q2, v1 >= v2)
q2s = np.asarray([0.003, 0.002, 0.001]) * ureg.s
v2s = q2s.to("ms").magnitude
np.testing.assert_array_equal(q1 < q2s, v1 < v2s)
np.testing.assert_array_equal(q1 > q2s, v1 > v2s)
np.testing.assert_array_equal(q1 <= q2s, v1 <= v2s)
np.testing.assert_array_equal(q1 >= q2s, v1 >= v2s)
def qi(self):
return np.asarray([1 + 1j, 2 + 2j, 3 + 3j, 4 + 4j]) * self.ureg.m
def qm(self):
return np.asarray([1., 2., 3., 4.]) * self.ureg.m
def qm(self):
return np.asarray([1., 2., 3., 4.]) * self.ureg.m
def qless(self):
return np.asarray([1, 2, 3, 4], dtype=np.uint8) * self.ureg.dimensionless
def test_ndarray_downcast_with_dtype(self):
with self.assertWarns(UnitStrippedWarning):
qarr = np.asarray(self.q, dtype=np.float64)
self.assertEqual(qarr.dtype, np.float64)
def test_ndarray_downcast(self):
with self.assertWarns(UnitStrippedWarning):
np.asarray(self.q)
def test_issue483(self):
ureg = self.ureg
a = np.asarray([1, 2, 3])
q = [1, 2, 3] * ureg.dimensionless
p = (q ** q).m
np.testing.assert_array_equal(p, a ** a)
def test_issue171_T(self):
a = np.asarray([[1.0, 2.0, 3.0, 4.0], [4.0, 3.0, 2.0, 1.0]])
q1 = a * self.ureg.meter
q2 = a.T * self.ureg.meter
self.assertQuantityEqual(q1.T, q2)
def test_ndarray_downcast_with_dtype(self):
with pytest.warns(UnitStrippedWarning):
qarr = np.asarray(self.q, dtype=np.float64)
assert qarr.dtype == np.float64
def qi(self):
return np.asarray([1 + 1j, 2 + 2j, 3 + 3j, 4 + 4j]) * self.ureg.m
def test_issue171_T(self):
a = np.asarray([[1., 2., 3., 4.],[4., 3., 2., 1.]])
q1 = a * self.ureg.meter
q2 = a.T * self.ureg.meter
self.assertQuantityEqual(q1.T, q2)
def test_issue483(self):
ureg = self.ureg
a = np.asarray([1, 2, 3])
q = [1, 2, 3] * ureg.dimensionless
p = (q ** q).m
np.testing.assert_array_equal(p, a ** a)
def qless(self):
return np.asarray([1, 2, 3, 4], dtype=np.uint8) * self.ureg.dimensionless
def qm(self):
return np.asarray([1, 2, 3, 4], dtype=np.uint8) * self.ureg.m
def qless(self):
return np.asarray([1., 2., 3., 4.]) * self.ureg.dimensionless
def qm(self):
return np.asarray([1, 2, 3, 4], dtype=np.uint8) * self.ureg.m
def qless(self):
return np.asarray([1., 2., 3., 4.]) * self.ureg.dimensionless