[Pkg-opencl-devel] Bug#1030298: pyopencl: FTBFS on i386: = 1 failed, 304 passed, 7 skipped, 1 deselected, 2 xfailed, 31 warnings in 736.25s (0:12:16) =

[Andreas Beckmann]

Followup-For: Bug #1030298

minimized reproducer (needs only python3-pyopencl):

=====
import math
import numpy as np

import pyopencl.array as cl_array
import pyopencl as cl
import pyopencl.clmath as clmath

context = cl.Context()
queue = cl.CommandQueue(context)

for s in [10]:
    a = cl_array.arange(queue, s, dtype=np.float32)/10
    a2 = cl_array.arange(queue, s, dtype=np.float32)/45.2 + 0.1
    b = clmath.fmod(a, a2)

    a = a.get()
    a2 = a2.get()
    b = b.get()

    for i in range(s):
        f=math.fmod(a[i], a2[i])
        d=b[i] - f # should be zero
        print("i=", i, " a[i]=", a[i], " a2[i]=", a2[i], " b[i]=clmath.fmod(a, a2)[i]=", b[i],
              " fmod(a[i], a2[i])=", f, " diff=", d);
        #assert math.fmod(a[i], a2[i]) == b[i]
=====

output on testing/i386:
# python3 test_1030298.py
i= 0  a[i]= 0.0  a2[i]= 0.1  b[i]=clmath.fmod(a, a2)[i]= 0.0  fmod(a[i], a2[i])= 0.0  diff= 0.0
i= 1  a[i]= 0.1  a2[i]= 0.1221239  b[i]=clmath.fmod(a, a2)[i]= 0.1  fmod(a[i], a2[i])= 0.10000000149011612  diff= 0.0
i= 2  a[i]= 0.2  a2[i]= 0.14424779  b[i]=clmath.fmod(a, a2)[i]= 0.055752218  fmod(a[i], a2[i])= 0.0557522177696228  diff= 0.0
i= 3  a[i]= 0.3  a2[i]= 0.16637167  b[i]=clmath.fmod(a, a2)[i]= 0.13362834  fmod(a[i], a2[i])= 0.13362833857536316  diff= 0.0
i= 4  a[i]= 0.4  a2[i]= 0.18849558  b[i]=clmath.fmod(a, a2)[i]= 0.023008853  fmod(a[i], a2[i])= 0.02300885319709778  diff= 0.0
i= 5  a[i]= 0.5  a2[i]= 0.21061948  b[i]=clmath.fmod(a, a2)[i]= 0.07876104  fmod(a[i], a2[i])= 0.0787610411643982  diff= 0.0
i= 6  a[i]= 0.6  a2[i]= 0.23274335  b[i]=clmath.fmod(a, a2)[i]= 0.13451332  fmod(a[i], a2[i])= 0.13451331853866577  diff= 0.0
i= 7  a[i]= 0.7  a2[i]= 0.25486726  b[i]=clmath.fmod(a, a2)[i]= 0.19026548  fmod(a[i], a2[i])= 0.1902654767036438  diff= 0.0
i= 8  a[i]= 0.8  a2[i]= 0.27699116  b[i]=clmath.fmod(a, a2)[i]= 0.2460177  fmod(a[i], a2[i])= 0.2460176944732666  diff= 0.0
i= 9  a[i]= 0.9  a2[i]= 0.29911503  b[i]=clmath.fmod(a, a2)[i]= 0.0026548803  fmod(a[i], a2[i])= 0.0026548802852630615  diff= 0.0

output on sid/i386:
# python3 test_1030298.py
i= 0  a[i]= 0.0  a2[i]= 0.1  b[i]=clmath.fmod(a, a2)[i]= 0.0  fmod(a[i], a2[i])= 0.0  diff= 0.0
i= 1  a[i]= 0.1  a2[i]= 0.1221239  b[i]=clmath.fmod(a, a2)[i]= 0.1  fmod(a[i], a2[i])= 0.10000000149011612  diff= 0.0
i= 2  a[i]= 0.2  a2[i]= 0.14424779  b[i]=clmath.fmod(a, a2)[i]= 0.055752218  fmod(a[i], a2[i])= 0.0557522177696228  diff= 0.0
i= 3  a[i]= 0.3  a2[i]= 0.16637167  b[i]=clmath.fmod(a, a2)[i]= 0.13362834  fmod(a[i], a2[i])= 0.13362833857536316  diff= 0.0
i= 4  a[i]= 0.4  a2[i]= 0.18849558  b[i]=clmath.fmod(a, a2)[i]= 0.023008853  fmod(a[i], a2[i])= 0.02300885319709778  diff= 0.0
i= 5  a[i]= 0.5  a2[i]= 0.21061948  b[i]=clmath.fmod(a, a2)[i]= 0.07876104  fmod(a[i], a2[i])= 0.0787610411643982  diff= 0.0
i= 6  a[i]= 0.6  a2[i]= 0.23274335  b[i]=clmath.fmod(a, a2)[i]= 0.13451329  fmod(a[i], a2[i])= 0.13451331853866577  diff= -2.9802322387695312e-08
i= 7  a[i]= 0.7  a2[i]= 0.25486726  b[i]=clmath.fmod(a, a2)[i]= 0.19026548  fmod(a[i], a2[i])= 0.1902654767036438  diff= 0.0
i= 8  a[i]= 0.8  a2[i]= 0.27699116  b[i]=clmath.fmod(a, a2)[i]= 0.24601772  fmod(a[i], a2[i])= 0.2460176944732666  diff= 2.9802322387695312e-08
i= 9  a[i]= 0.9  a2[i]= 0.29911503  b[i]=clmath.fmod(a, a2)[i]= 0.0026548505  fmod(a[i], a2[i])= 0.0026548802852630615  diff= -2.9802322387695312e-08

output on sid/amd64:
# python3 test_1030298.py
i= 0  a[i]= 0.0  a2[i]= 0.1  b[i]=clmath.fmod(a, a2)[i]= 0.0  fmod(a[i], a2[i])= 0.0  diff= 0.0
i= 1  a[i]= 0.1  a2[i]= 0.1221239  b[i]=clmath.fmod(a, a2)[i]= 0.1  fmod(a[i], a2[i])= 0.10000000149011612  diff= 0.0
i= 2  a[i]= 0.2  a2[i]= 0.14424779  b[i]=clmath.fmod(a, a2)[i]= 0.055752218  fmod(a[i], a2[i])= 0.0557522177696228  diff= 0.0
i= 3  a[i]= 0.3  a2[i]= 0.16637167  b[i]=clmath.fmod(a, a2)[i]= 0.13362834  fmod(a[i], a2[i])= 0.13362833857536316  diff= 0.0
i= 4  a[i]= 0.4  a2[i]= 0.18849558  b[i]=clmath.fmod(a, a2)[i]= 0.023008853  fmod(a[i], a2[i])= 0.02300885319709778  diff= 0.0
i= 5  a[i]= 0.5  a2[i]= 0.21061948  b[i]=clmath.fmod(a, a2)[i]= 0.07876104  fmod(a[i], a2[i])= 0.0787610411643982  diff= 0.0
i= 6  a[i]= 0.6  a2[i]= 0.23274335  b[i]=clmath.fmod(a, a2)[i]= 0.13451332  fmod(a[i], a2[i])= 0.13451331853866577  diff= 0.0
i= 7  a[i]= 0.7  a2[i]= 0.25486726  b[i]=clmath.fmod(a, a2)[i]= 0.19026548  fmod(a[i], a2[i])= 0.1902654767036438  diff= 0.0
i= 8  a[i]= 0.8  a2[i]= 0.27699116  b[i]=clmath.fmod(a, a2)[i]= 0.2460177  fmod(a[i], a2[i])= 0.2460176944732666  diff= 0.0
i= 9  a[i]= 0.9  a2[i]= 0.29911503  b[i]=clmath.fmod(a, a2)[i]= 0.0026548803  fmod(a[i], a2[i])= 0.0026548802852630615  diff= 0.0

Andreas