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math.fsum: handle special values (inf, nan); -inf + inf raises ValueError#2727

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PierreQuentel merged 1 commit into
brython-dev:masterfrom
fgallaire:math-fsum
Jun 12, 2026
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math.fsum: handle special values (inf, nan); -inf + inf raises ValueError#2727
PierreQuentel merged 1 commit into
brython-dev:masterfrom
fgallaire:math-fsum

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@fgallaire fgallaire commented Jun 11, 2026

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>>> math.fsum([float('inf'), float('-inf')])
nan                             # before
>>> math.fsum([float('inf'), float('-inf')])
ValueError: -inf + inf in fsum  # after

@PierreQuentel PierreQuentel merged commit 49769ec into brython-dev:master Jun 12, 2026
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@fgallaire @PierreQuentel