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import os
import platform
import sysconfig
import pytest
from scipy._lib._testutils import IS_EDITABLE, _test_cython_extension, cython
@pytest.mark.fail_slow(40)
# essential per https://github.com/scipy/scipy/pull/20487#discussion_r1567057247
@pytest.mark.skipif(IS_EDITABLE,
reason='Editable install cannot find .pxd headers.')
@pytest.mark.skipif((platform.system() == 'Windows' and
sysconfig.get_config_var('Py_GIL_DISABLED')),
reason='gh-22039')
@pytest.mark.skipif(platform.machine() in ["wasm32", "wasm64"],
reason="Can't start subprocess")
@pytest.mark.skipif(cython is None, reason="requires cython")
def test_cython(tmp_path):
srcdir = os.path.dirname(os.path.dirname(__file__))
extensions, extensions_cpp = _test_cython_extension(tmp_path, srcdir)
# actually test the cython c-extensions
# From docstring for scipy.optimize.cython_optimize module
x = extensions.brentq_example()
assert x == 0.6999942848231314
x = extensions_cpp.brentq_example()
assert x == 0.6999942848231314
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