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Title: gh-130317: fix test_pack_unpack_roundtrip() and add docs by skirpichev · Pull Request #133204 · python/cpython · GitHub

Open Graph Title: gh-130317: fix test_pack_unpack_roundtrip() and add docs by skirpichev · Pull Request #133204 · python/cpython

X Title: gh-130317: fix test_pack_unpack_roundtrip() and add docs by skirpichev · Pull Request #133204 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: skip sNaN's testing in 32-bit mode drop float_set_snan() helper use memcpy() workaround for sNaN's in PyFloat_Unpack4() document, that sNaN's may not be preserved by PyFloat_Pack/Unpack...

X Description: skip sNaN's testing in 32-bit mode drop float_set_snan() helper use memcpy() workaround for sNaN's in PyFloat_Unpack4() document, that sNaN's may not be preserved by PyFloat...

Opengraph URL: https://github.com/python/cpython/pull/133204

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struct (un)packing of half-precision nan floats is non-invertible #130317https://github.com/python/cpython/issues/130317
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gh-130317: fix PyFloat_Pack/Unpack[24] for NaN's with payload #130452 https://github.com/python/cpython/pull/130452
superseded mattwang44/cpython#1 https://github.com/mattwang44/cpython/pull/1
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