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test: Add two testcases in sigmid.py

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This commit is contained in:
Ronald Ngounou 2024-10-06 02:03:32 -04:00
parent adda95ea58
commit 17264a496b
1 changed files with 6 additions and 0 deletions
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maths/sigmoid.py
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@ -29,6 +29,12 @@ def sigmoid(vector: np.ndarray) -> np.ndarray:
>>> sigmoid(np.array([0.0])) >>> sigmoid(np.array([0.0]))
array([0.5]) array([0.5])
>>> sigmoid(np.array([100.0]))
array([1.])
>>> sigmoid(np.array([-100.0]))
array([3.72007598e-44])
""" """
return 1 / (1 + np.exp(-vector)) return 1 / (1 + np.exp(-vector))