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Infer NumPy Generator.normal result shapes - #5619
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This pull request has been imported. If you are a Meta employee, you can view this in D131296292. (Because this pull request was imported automatically, there will not be any future comments.) |
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Nov 11, 2026
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✅ This PR meets all requirements from our pull request checklist. Optional recommendations:
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This pull request has been merged in cddd16a. |
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Summary
Adds shape-aware overloads for
Generator.normal. Withsize, the result has exactly that shape. Withoutsize, it has the broadcast shape of arraylocandscale, and mismatched shapes are reported. NumPy's own overloads stay as fallbacks for lists.Test Plan
Added tests to
tensor-shapes/pyrefly-numpy-stubs/test/test_random.py.Ran:
python3 tensor-shapes/pyrefly-numpy-stubs/run_pyrefly.py"$TENSOR_SHAPES_VENV/bin/python" tensor-shapes/pyrefly-numpy-stubs/run_runtime_tests.py./test.py --no-test --no-tensor-shapes --no-conformance --no-jsonschema --no-extension(formatting and lint)