/usr/share/pyshared/quantities/tests/test_umath.py is in python-quantities 0.10.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import numpy as np
from .. import units as pq
from .common import TestCase, unittest
class TestUmath(TestCase):
@property
def q(self):
return [1,2,3,4] * pq.J
def test_prod(self):
self.assertQuantityEqual(np.prod(self.q), 24 * pq.J**4)
def test_sum(self):
self.assertQuantityEqual(np.sum(self.q), 10 * pq.J)
def test_nansum(self):
c = [1,2,3, np.NaN] * pq.m
self.assertQuantityEqual(np.nansum(c), 6 * pq.m)
def test_cumprod(self):
self.assertRaises(ValueError, np.cumprod, self.q)
q = [10, .1, 5, 50] * pq.dimensionless
self.assertQuantityEqual(np.cumprod(q), [10, 1, 5, 250])
def test_cumsum(self):
self.assertQuantityEqual(np.cumsum(self.q), [1, 3, 6, 10] * pq.J)
def test_diff(self):
self.assertQuantityEqual(np.diff(self.q, 1), [1, 1, 1] * pq.J)
def test_ediff1d(self):
self.assertQuantityEqual(np.diff(self.q, 1), [1, 1, 1] * pq.J)
def test_gradient(self):
try:
l = np.gradient([[1,1],[3,4]] * pq.J, 1 * pq.m)
self.assertQuantityEqual(l[0], [[2., 3.], [2., 3.]] * pq.J/pq.m)
self.assertQuantityEqual(l[1], [[0., 0.], [1., 1.]] * pq.J/pq.m)
except ValueError as e:
raise self.failureException(e)
@unittest.expectedFailure
def test_cross(self):
a = [3,-3, 1] * pq.kPa
b = [4, 9, 2] * pq.m**2
self.assertQuantityEqual(np.cross(a,b), [-15,-2,39]*pq.kPa*pq.m**2)
def test_trapz(self):
self.assertQuantityEqual(np.trapz(self.q, dx = 1*pq.m), 7.5 * pq.J*pq.m)
def test_sinh(self):
q = [1, 2, 3, 4, 6] * pq.radian
self.assertQuantityEqual(
np.sinh(q),
np.sinh(q.magnitude)
)
def test_arcsinh(self):
q = [1, 2, 3, 4, 6] * pq.dimensionless
self.assertQuantityEqual(
np.arcsinh(q),
np.arcsinh(q.magnitude) * pq.rad
)
def test_cosh(self):
q = [1, 2, 3, 4, 6] * pq.radian
self.assertQuantityEqual(
np.cosh(q),
np.cosh(q.magnitude) * pq.dimensionless
)
def test_arccosh(self):
q = [1, 2, 3, 4, 6] * pq.dimensionless
self.assertQuantityEqual(
np.arccosh(q),
np.arccosh(q.magnitude) * pq.rad
)
def test_tanh(self):
q = [1, 2, 3, 4, 6] * pq.rad
self.assertQuantityEqual(
np.tanh(q),
np.tanh(q.magnitude)
)
def test_arctanh(self):
q = [.01, .5, .6, .8, .99] * pq.dimensionless
self.assertQuantityEqual(
np.arctanh(q),
np.arctanh(q.magnitude) * pq.rad
)
def test_around(self):
self.assertQuantityEqual(
np.around([.5, 1.5, 2.5, 3.5, 4.5] * pq.J) ,
[0., 2., 2., 4., 4.] * pq.J
)
self.assertQuantityEqual(
np.around([1,2,3,11] * pq.J, decimals=1),
[1, 2, 3, 11] * pq.J
)
self.assertQuantityEqual(
np.around([1,2,3,11] * pq.J, decimals=-1),
[0, 0, 0, 10] * pq.J
)
def test_round_(self):
self.assertQuantityEqual(
np.round_([.5, 1.5, 2.5, 3.5, 4.5] * pq.J),
[0., 2., 2., 4., 4.] * pq.J
)
self.assertQuantityEqual(
np.round_([1,2,3,11] * pq.J, decimals=1),
[1, 2, 3, 11] * pq.J
)
self.assertQuantityEqual(
np.round_([1,2,3,11] * pq.J, decimals=-1),
[0, 0, 0, 10] * pq.J
)
def test_rint(self):
a = [-4.1, -3.6, -2.5, 0.1, 2.5, 3.1, 3.9] * pq.m
self.assertQuantityEqual(
np.rint(a),
[-4., -4., -2., 0., 2., 3., 4.]*pq.m
)
def test_floor(self):
a = [-1.7, -1.5, -0.2, 0.2, 1.5, 1.7, 2.0] * pq.m
self.assertQuantityEqual(
np.floor(a),
[-2., -2., -1., 0., 1., 1., 2.] * pq.m
)
def test_ceil(self):
a = [-1.7, -1.5, -0.2, 0.2, 1.5, 1.7, 2.0] * pq.m
self.assertQuantityEqual(
np.ceil(a),
[-1., -1., -0., 1., 2., 2., 2.] * pq.m
)
@unittest.expectedFailure
def test_fix(self):
try:
self.assertQuantityEqual(np.fix(3.14 * pq.degF), 3.0 * pq.degF)
self.assertQuantityEqual(np.fix(3.0 * pq.degF), 3.0 * pq.degF)
self.assertQuantityEqual(
np.fix([2.1, 2.9, -2.1, -2.9] * pq.degF),
[2., 2., -2., -2.] * pq.degF
)
except ValueError as e:
raise self.failureException(e)
def test_exp(self):
self.assertQuantityEqual(np.exp(1*pq.dimensionless), np.e)
self.assertRaises(ValueError, np.exp, 1*pq.m)
def test_log(self):
self.assertQuantityEqual(np.log(1*pq.dimensionless), 0)
self.assertRaises(ValueError, np.log, 1*pq.m)
def test_log10(self):
self.assertQuantityEqual(np.log10(1*pq.dimensionless), 0)
self.assertRaises(ValueError, np.log10, 1*pq.m)
def test_log2(self):
self.assertQuantityEqual(np.log2(1*pq.dimensionless), 0)
self.assertRaises(ValueError, np.log2, 1*pq.m)
def test_expm1(self):
self.assertQuantityEqual(np.expm1(1*pq.dimensionless), np.e-1)
self.assertRaises(ValueError, np.expm1, 1*pq.m)
def test_log1p(self):
self.assertQuantityEqual(np.log1p(0*pq.dimensionless), 0)
self.assertRaises(ValueError, np.log1p, 1*pq.m)
def test_sin(self):
self.assertQuantityEqual(np.sin(np.pi/2*pq.radian), 1)
self.assertRaises(ValueError, np.sin, 1*pq.m)
def test_arcsin(self):
self.assertQuantityEqual(
np.arcsin(1*pq.dimensionless),
np.pi/2 * pq.radian
)
self.assertRaises(ValueError, np.arcsin, 1*pq.m)
def test_cos(self):
self.assertQuantityEqual(np.cos(np.pi*pq.radians), -1)
self.assertRaises(ValueError, np.cos, 1*pq.m)
def test_arccos(self):
self.assertQuantityEqual(np.arccos(1*pq.dimensionless), 0*pq.radian)
self.assertRaises(ValueError, np.arccos, 1*pq.m)
def test_tan(self):
self.assertQuantityEqual(np.tan(0*pq.radian), 0)
self.assertRaises(ValueError, np.tan, 1*pq.m)
def test_arctan(self):
self.assertQuantityEqual(np.arctan(0*pq.dimensionless), 0*pq.radian)
self.assertRaises(ValueError, np.arctan, 1*pq.m)
def test_arctan2(self):
self.assertQuantityEqual(
np.arctan2(0*pq.dimensionless, 0*pq.dimensionless),
0
)
self.assertRaises(ValueError, np.arctan2, (1*pq.m, 1*pq.m))
def test_hypot(self):
self.assertQuantityEqual(np.hypot(3 * pq.m, 4 * pq.m), 5 * pq.m)
self.assertRaises(ValueError, np.hypot, 1*pq.m, 2*pq.J)
def test_degrees(self):
self.assertQuantityEqual(
np.degrees(6 * pq.radians),
(6 * pq.radians).rescale(pq.degree)
)
self.assertRaises(ValueError, np.degrees, 0*pq.degree)
def test_radians(self):
self.assertQuantityEqual(
np.radians(6 * pq.degree),
(6 * pq.degree).rescale(pq.radian)
)
self.assertRaises(ValueError, np.radians, 0*pq.radians)
@unittest.expectedFailure
def test_unwrap(self):
self.assertQuantityEqual(np.unwrap([0,3*np.pi]*pq.radians), [0,np.pi])
self.assertQuantityEqual(np.unwrap([0,540]*pq.deg), [0,180]*pq.deg)
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