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| author | Sergey B Kirpichev <skirpichev@gmail.com> | 2023-11-12 00:53:41 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-11-12 00:53:41 (GMT) |
| commit | 12a30bc1aa0586308bf3fe12c915bcc5e54a032f (patch) | |
| tree | f4f437fb5db96584b8b8dd070c96e8efeb8f5176 /Python | |
| parent | ce6a533c4bf1afa3775dfcaee5fc7d5c15a4af8c (diff) | |
| download | cpython-12a30bc1aa0586308bf3fe12c915bcc5e54a032f.zip cpython-12a30bc1aa0586308bf3fe12c915bcc5e54a032f.tar.gz cpython-12a30bc1aa0586308bf3fe12c915bcc5e54a032f.tar.bz2 | |
gh-111933: fix broken link to A.Neumaier article (gh-111937)
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/bltinmodule.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c index c373585..a1ecdcb 100644 --- a/Python/bltinmodule.c +++ b/Python/bltinmodule.c @@ -2611,7 +2611,10 @@ builtin_sum_impl(PyObject *module, PyObject *iterable, PyObject *start) } if (PyFloat_CheckExact(item)) { // Improved Kahan–Babuška algorithm by Arnold Neumaier - // https://www.mat.univie.ac.at/~neum/scan/01.pdf + // Neumaier, A. (1974), Rundungsfehleranalyse einiger Verfahren + // zur Summation endlicher Summen. Z. angew. Math. Mech., + // 54: 39-51. https://doi.org/10.1002/zamm.19740540106 + // https://en.wikipedia.org/wiki/Kahan_summation_algorithm#Further_enhancements double x = PyFloat_AS_DOUBLE(item); double t = f_result + x; if (fabs(f_result) >= fabs(x)) { |