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gh-100239: Handle NaN and zero division in guards #128963

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Merged
Eclips4 merged 8 commits into from
Jan 19, 2025
Merged

gh-100239: Handle NaN and zero division in guards #128963

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8547393
Fix zero division
Eclips4 Jan 17, 2025
131b92a
Reorder calls
Eclips4 Jan 17, 2025
8363e9d
Address Irit's review && Add guards for NaN
Eclips4 Jan 17, 2025
850a862
Update Python/specialize.c
Eclips4 Jan 18, 2025
f98667c
Apply the same technique for compactlong_float
Eclips4 Jan 18, 2025
27cd99a
I guess it should work
Eclips4 Jan 18, 2025
aa416bb
Apply suggestions from code review
Eclips4 Jan 19, 2025
127cb30
Address Irit's review
Eclips4 Jan 19, 2025
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Update Python/specialize.c 
Co-authored-by: Tomas R. <[email protected]>
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@Eclips4 @tomasr8
Eclips4 and tomasr8 authored Jan 18, 2025
commit 850a862a7d86ceb1ae44d1400af5b90c24239af7
6 changes: 1 addition & 5 deletions Python/specialize.c
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Expand Up @@ -2433,11 +2433,7 @@ static int
float_compactlong_guard_true_div(PyObject *lhs, PyObject *rhs)
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{
return (
PyFloat_CheckExact(lhs) &&
PyLong_CheckExact(rhs) &&
_PyLong_IsCompact((PyLongObject *)rhs) &&
!PyLong_IsZero(rhs) &&
!isnan(PyFloat_AsDouble(lhs))
float_compactlong_guard(lhs, rhs) && !PyLong_IsZero(rhs)
);
}

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