test_large_values() — langchain Function Reference

Architecture documentation for the test_large_values() function in test_utils.py from the langchain codebase.

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_large_values() — langchain Function Reference

Dependency Diagram

graph TD
  e9b6e209_ff41_12e6_808d_81fc3903ff42["test_large_values()"]
  43305d93_a58a_e7db_615b_b8a5a18284ab["TestCosineSimilarity"]
  e9b6e209_ff41_12e6_808d_81fc3903ff42 -->|defined in| 43305d93_a58a_e7db_615b_b8a5a18284ab
  style e9b6e209_ff41_12e6_808d_81fc3903ff42 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/vectorstores/test_utils.py lines 120–126

    def test_large_values(self) -> None:
        """Test with large values to check numerical stability."""
        x: list[list[float]] = [[1e6, 1e6]]
        y: list[list[float]] = [[1e6, 1e6], [1e6, -1e6]]
        result = _cosine_similarity(x, y)
        expected = np.array([[1.0, 0.0]])
        np.testing.assert_array_almost_equal(result, expected)