pipenv install $(head -n4 test_requirements.txt)
pipenv install nose pickle5
pipenv run python setup.py develop
pipenv install -e .
pipenv run python runtests.py -v -t numpy/ma/tests/test_extras.py::TestPolynomial
This is cropped to the essential errors for brevity and peppered with the (probably) corresponding code lines. Note that due to many calls to np.random without seeding the random generator, your output will vary.
Building, see build.log...
Build OK
NumPy version 1.18.0.dev0+ec24179
NumPy relaxed strides checking option: True
========================================================= test session starts =========================================================
platform darwin -- Python 3.7.4, pytest-5.2.0, py-1.8.0, pluggy-0.13.0
rootdir: /Users/shoeffner/Projects/numpy, inifile: pytest.ini
plugins: cov-2.7.1
collected 1903 items
numpy/ma/tests/test_extras.py ........................................................FF..................... [ 95%]
# warn on rank reduction, which indicates an ill conditioned matrix
if rank != order and not full:
msg = "Polyfit may be poorly conditioned"
> warnings.warn(msg, RankWarning, stacklevel=4)
E numpy.RankWarning: Polyfit may be poorly conditioned
c = array([[-8.47984230e+153, -4.08168177e-232],
[ 9.88131292e-324, 0.00000000e+000],
[ 1.19279642e-314, 1.20013560e-314],
[ 1.28763057e-314, 3.21995092e-309]])
deg = array(3)
full = False
lhs = array([[ 1. , 1. , 1. , 1. , 1. ,
1. , 1. , 1. ...5635, 0.37790953, 0.01539077, -0.75740865,
0.03506115, -1. , 0.01098361, 0.05984203, 1. ]])
lmax = array(3)
msg = 'The fit may be poorly conditioned'
order = 4
rank = 0
rcond = 2.220446049250313e-15
resids = array([], dtype=float64)
rhs = array([[0.96723583, 0.25115589, 0.07591921, 0.47335804, 0.83546376,
0.21461214, 0.48720295, 0.10292772, 0.0602..., 0.16955958, 0.29051655, 0.3764026 , 0.53784416,
0.57034868, 0.59231832, 0.01481114, 0.47632407, 0.57894689]])
s = array([10. , 4.51858015, 3.4355091 , 2.9844917 ])
scl = array([3.16227766, 2.12569522, 1.85351264, 1.72756815])
van = array([[ 1. , 0.39509622, 0.15610103, 0.06167493],
[ 1. , -0.79841161, 0.6374611 , -0.5089563... [ 1. , 0.3911429 , 0.15299277, 0.05984203],
[ 1. , 1. , 1. , 1. ]])
vander_f = <function polyvander at 0x10b50aef0>
w = None
x = array([ 0.39509622, -0.79841161, 0.72298499, 0.24874447, -0.91154215,
0.32729701, -1. , 0.22228748, 0.3911429 , 1. ])
y = array([[0.96723583, 0.23103402],
[0.25115589, 0.16955958],
[0.07591921, 0.29051655],
[0.47335804,...20295, 0.59231832],
[0.10292772, 0.01481114],
[0.06028824, 0.47632407],
[0.61201684, 0.57894689]])
E AssertionError:
E Arrays are not almost equal
E
E Mismatched elements: 8 / 8 (100%)
E Max absolute difference: 1.2015506
E Max relative difference: 2.18816199
E x: array([[-0.292842, 0.256105],
E [-0.077662, 0.100475],
E [-0.094572, -0.042055],
E [ 0.0439 , 0.097076]])
E y: array([[0.908708, 0.948916],
E [0.251341, 0.068777],
E [0.539048, 0.456381],
E [0.094167, 0.030449]])
-------------------------------------------------------- Captured stderr call ---------------------------------------------------------
python(8744,0x10d91a5c0) malloc: can't allocate region
*** mach_vm_map(size=18446744072424140800) failed (error code=3)
python(8744,0x10d91a5c0) malloc: *** set a breakpoint in malloc_error_break to debug
init_dgelsd failed init
python(8744,0x10d91a5c0) malloc: can't allocate region
*** mach_vm_map(size=18446744072424140800) failed (error code=3)
python(8744,0x10d91a5c0) malloc: *** set a breakpoint in malloc_error_break to debug
init_dgelsd failed init
======================================== 2 failed, 1898 passed, 1 skipped, 2 xfailed in 7.23s =========================================
1.18.0.dev0+ec24179 3.7.4 (default, Jul 9 2019, 18:13:23)
[Clang 10.0.1 (clang-1001.0.46.4)]
Running
python runtests.py -v -s mafails two tests in numpy/ma/tests/test_extras.py:Reproduce
Error message:
This is cropped to the essential errors for brevity and peppered with the (probably) corresponding code lines. Note that due to many calls to np.random without seeding the random generator, your output will vary.
RankWarning
numpy/numpy/ma/tests/test_extras.py
Lines 1232 to 1237 in ec24179
The actual warning comes from the following part, from the (left) call to
polyfit, where the rank is always 0 but the order is 4.numpy/numpy/polynomial/polyutils.py
Lines 665 to 680 in ec24179
AssertionError
numpy/numpy/ma/tests/test_extras.py
Lines 1271 to 1285 in ec24179
And for both I get some malloc errors captured to stderr (here from the last):
Numpy/Python version information:
Output from
import sys, numpy; print(numpy.__version__, sys.version):