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gh-141004: document Py_HUGE_VAL/IS_FINITE/IS_INFINITE/IS_NAN #141544

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Merged
vstinner merged 9 commits into from
Nov 18, 2025
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gh-141004: document Py_HUGE_VAL/IS_FINITE/IS_INFINITE/IS_NAN #141544

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gh-141004: document Py_HUGE_VAL/IS_FINITE/IS_INFINITE/IS_NAN
skirpichev Nov 14, 2025
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Merge branch 'master' into docs-for-math-macros/141004
skirpichev Nov 14, 2025
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address review: Py_HUGE_VAL & :term:`soft deprecated`
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Merge branch 'master' into docs-for-math-macros/141004
skirpichev Nov 17, 2025
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address review: Return ``0`` otherwise.
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address review: Return 0 otherwise.
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skirpichev committed Nov 17, 2025
commit c225d02ef4209b94795f980f8d051df934228665
10 changes: 5 additions & 5 deletions Doc/c-api/float.rst
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Expand Up @@ -158,8 +158,8 @@ Floating-Point Objects
.. c:macro:: Py_IS_FINITE(X)

Return ``1`` if the given floating-point number *X* is finite,
that is, it is normal, subnormal or zero, but not infinite or NaN;
else ``0``.
that is, it is normal, subnormal or zero, but not infinite or NaN.
Return ``0`` otherwise.

.. deprecated:: 3.14
The macro is :term:`soft deprecated`. Use :c:macro:`!isfinite` instead.
Expand All @@ -168,16 +168,16 @@ Floating-Point Objects
.. c:macro:: Py_IS_INFINITY(X)

Return ``1`` if the given floating-point number *X* is positive or negative
infinity, else ``0``.
infinity. Return ``0`` otherwise.

.. deprecated:: 3.14
The macro is :term:`soft deprecated`. Use :c:macro:`!isinf` instead.


.. c:macro:: Py_IS_NAN(X)

Return ``1`` if the given floating-point number *X* is a not-a-number (NaN) value,
else ``0``.
Return ``1`` if the given floating-point number *X* is a not-a-number (NaN)
value. Return ``0`` otherwise.

.. deprecated:: 3.14
The macro is :term:`soft deprecated`. Use :c:macro:`!isnan` instead.
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