______________________________ test_gauss_center _______________________________
def test_gauss_center():
"""Check the gaussian center fitting."""
from astropy.convolution import Gaussian2DKernel
# This creates a 2D normalized gaussian kernal with
# a set amplitude. Guess off-center
amp = 0.0015915494309189533
size = 81.0
sigma = 10.0
gaussian_2D_kernel = Gaussian2DKernel(sigma, x_size=size, y_size=size)
plots = Imexamine()
plots.set_data(gaussian_2D_kernel.array)
a, xx, yy, xs, ys = plots.gauss_center(37, 37)
> assert_allclose(amp, a, 1e-6)
E AssertionError:
E Not equal to tolerance rtol=1e-06, atol=0
E
E Mismatched elements: 1 / 1 (100%)
E Max absolute difference: 1.61872075e-07
E Max relative difference: 0.0001017
E x: array(0.001592)
E y: array(0.001592)
/usr/lib/python3/dist-packages/imexam/tests/test_imexamine.py:128: AssertionError
----------------------------- Captured stdout call -----------------------------
xc=40.0000 yc=40.0000
------------------------------ Captured log call -------------------------------
INFO imexam.util:imexamine.py:1015 xc=40.0000 yc=40.0000
After uploading astropy 5.2, I found that the CI tests of imexam no longer pass. Specifically, the following test fails:
Shall one just increase the rtol or is this a real problem?