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# Pytest customization
from __future__ import division, absolute_import, print_function
import os
import pytest
import warnings
from scipy._lib._fpumode import get_fpu_mode
from scipy._lib._testutils import FPUModeChangeWarning
def pytest_runtest_setup(item):
mark = item.get_marker("xslow")
if mark is not None:
try:
v = int(os.environ.get('SCIPY_XSLOW', '0'))
except ValueError:
v = False
if not v:
pytest.skip("very slow test; set environment variable SCIPY_XSLOW=1 to run it")
@pytest.fixture(scope="function", autouse=True)
def check_fpu_mode(request):
"""
Check FPU mode was not changed during the test.
"""
old_mode = get_fpu_mode()
yield
new_mode = get_fpu_mode()
if old_mode != new_mode:
warnings.warn("FPU mode changed from {0:#x} to {1:#x} during "
"the test".format(old_mode, new_mode),
category=FPUModeChangeWarning, stacklevel=0)
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