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Title: gh-140036: _pydecimal: avoid slow exponentiation in floor division by picnixz · Pull Request #140044 · python/cpython · GitHub

Open Graph Title: gh-140036: _pydecimal: avoid slow exponentiation in floor division by picnixz · Pull Request #140044 · python/cpython

X Title: gh-140036: _pydecimal: avoid slow exponentiation in floor division by picnixz · Pull Request #140044 · python/cpython

Description: For now, we'll only fix this code path and we'll need to discuss a bit more for the other @mdickinson reported (#140036 (comment)). Issue: gh-140036

Open Graph Description: For now, we'll only fix this code path and we'll need to discuss a bit more for the other @mdickinson reported (#140036 (comment)). Issue: gh-140036

X Description: For now, we'll only fix this code path and we'll need to discuss a bit more for the other @mdickinson reported (#140036 (comment)). Issue: gh-140036

Opengraph URL: https://github.com/python/cpython/pull/140044

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ee617bd _pydecimal: avoid slow exponentiation in floor division picnixz Oct 13, 2025 https://github.com/python/cpython/pull/140044/commits/ee617bdf035443d18fcde0abae2a0cb167415d39
329c31a refine `q < 10**context.prec` checks picnixz Oct 14, 2025 https://github.com/python/cpython/pull/140044/commits/329c31a7609ec67ec7860cb571843aa2cef9f72c
103fe1e _pydecimal: add helpers for computing len(str(q)) < a picnixz Oct 26, 2025 https://github.com/python/cpython/pull/140044/commits/103fe1e0a6c92d860ea63fa05c3f220b39cba86b
efbdc0a _pydecimal: use helpers for computing len(str(q)) < a picnixz Oct 26, 2025 https://github.com/python/cpython/pull/140044/commits/efbdc0a788567807eaa945f705c67967c460a43b
9377ab6 _pydecimal: add tests for unbounded contexts picnixz Oct 26, 2025 https://github.com/python/cpython/pull/140044/commits/9377ab6240bcc07e97ee122b1a35370a25cc1709
23494fb Apply suggestions from code review picnixz Nov 7, 2025 https://github.com/python/cpython/pull/140044/commits/23494fb540bcda70e720af71615adedd7c2844c3
6b55711 address review picnixz Nov 9, 2025 https://github.com/python/cpython/pull/140044/commits/6b55711a08cec60925cf208fb12742e6ac31fd62
49d5b0d reformulate comment picnixz Nov 9, 2025 https://github.com/python/cpython/pull/140044/commits/49d5b0d98da7c033842db01ce4c233cd5455282d
ea3e499 Update Lib/_pydecimal.py picnixz Nov 9, 2025 https://github.com/python/cpython/pull/140044/commits/ea3e49945bf59b6b5ad20b8ff7d0e79cd1140642
b1c24b7 add test for _is_less_than_pow10a_use_str() slow path picnixz Nov 9, 2025 https://github.com/python/cpython/pull/140044/commits/b1c24b7e0778e1576b4374082e30e612d9b27ea0
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