T-1-1-19 diag,sort,round,cosh,alpha_dropout

[GordonYang1]

pytest output:

===================================================== test session starts =====================================================
platform linux -- Python 3.10.12, pytest-9.0.2, pluggy-1.6.0
rootdir: /home/yzy/ninetoothed/ntops-claude/ntops
configfile: pyproject.toml
plugins: anyio-4.13.0, cov-7.1.0
collected 120 items                                                                                                           

tests/test_diag.py ............................................................                                         [ 50%]
tests/test_sort.py ....................................                                                                 [ 80%]
tests/test_round.py ........                                                                                            [ 86%]
tests/test_cosh.py ........                                                                                             [ 93%]
tests/test_alpha_dropout.py ........                                                                                    [100%]

==================================================== 120 passed in 23.72s =====================================================