[BUG]: Got value below global minimum for opfunu.cec_based.F142013

[mlojek]

Description of the bug

I found that for function 14 of CEC2013 benchmark there are points in the search range that have values below global minimum. Similar issue can also be found for function 15, 22, 23, 24, 26, 28.

Steps To Reproduce

1. import opfunu
2. from opfunu.cec_based import F142013
3. fun = F142013(dim=10)
4. fun.evaluate(fun.x_global)
5. you should get -100 in 4
6. fun.f_global
7. you should get -100 in 4
8. fun.evaluate([-82.1329371, 6.52854211, 47.31195851, 70.16835564, -14.57431125, -40.47929051, 61.4423116, 14.46334738, 93.69871427, -33.37875619])
9. you should get -107
10. fun.bounds
11. You should get [[-100, 100] * 10] in 10

Additional Information

EDIT: downgrade to opfunu 1.0.0 alleviated the error

My pip freeze:

alabaster==1.0.0
astroid==3.3.6
attrs==24.2.0
babel==2.16.0
black==24.10.0
CEC2017 @ git+https://github.com/tilleyd/cec2017-py@931eb3b992a2f8898e550b6ede602760723a643b
certifi==2024.8.30
cfgv==3.4.0
charset-normalizer==3.4.0
click==8.1.7
cma==4.0.0
contourpy==1.3.1
cycler==0.12.1
dill==0.3.9
distlib==0.3.9
docutils==0.21.2
filelock==3.16.1
fonttools==4.55.3
identify==2.6.3
idna==3.10
imagesize==1.4.1
iniconfig==2.0.0
isort==5.13.2
Jinja2==3.1.4
joblib==1.4.2
jsonschema==4.23.0
jsonschema-specifications==2024.10.1
kiwisolver==1.4.7
MarkupSafe==3.0.2
matplotlib==3.9.2
mccabe==0.7.0
mypy==1.13.0
mypy-extensions==1.0.0
nodeenv==1.9.1
numpy==2.1.3
opfunu==1.0.1
-e git+https://github.com/mlojek/optilab@912fb003df8b7583939bff750df4d3e254c2c51c#egg=optilab
packaging==24.2
pandas==2.2.3
pathspec==0.12.1
pillow==11.0.0
platformdirs==4.3.6
pluggy==1.5.0
pre_commit==4.0.1
Pygments==2.18.0
pylint==3.3.2
pyparsing==3.2.0
pytest==8.3.4
python-dateutil==2.9.0.post0
pytz==2024.2
PyYAML==6.0.2
referencing==0.35.1
requests==2.32.3
rpds-py==0.22.3
scikit-learn==1.5.2
scipy==1.14.1
setuptools==75.8.0
shapely==2.0.6
six==1.17.0
snowballstemmer==2.2.0
Sphinx==8.1.3
sphinx-rtd-theme==3.0.2
sphinxcontrib-applehelp==2.0.0
sphinxcontrib-devhelp==2.0.0
sphinxcontrib-htmlhelp==2.1.0
sphinxcontrib-jquery==4.1
sphinxcontrib-jsmath==1.0.1
sphinxcontrib-qthelp==2.0.0
sphinxcontrib-serializinghtml==2.0.0
tabulate==0.9.0
threadpoolctl==3.5.0
tomlkit==0.13.2
tqdm==4.67.1
typing==3.7.4.3
typing_extensions==4.12.2
tzdata==2024.2
urllib3==2.2.3
virtualenv==20.28.0