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gh-119613: deprecate Py_IS_NAN/INFINITY and Py_IS_FINITE #119701

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Merged
merged 11 commits into from
May 29, 2024
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gh-119613: deprecate Py_IS_NAN/INFINITY and Py_IS_FINITE #119701

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e7696ba
gh-119613: deprecate Py_IS_NAN/INFINITY and Py_IS_FINITE
skirpichev May 29, 2024
dd3dec5
Update Doc/whatsnew/3.14.rst
skirpichev May 29, 2024
cee4721
Address review: move deprecation news
skirpichev May 29, 2024
3ecd159
+ changelog entry
skirpichev May 29, 2024
b5ede50
Apply suggestions from code review
skirpichev May 29, 2024
d4008a1
Address review: emphasise soft deprecation
skirpichev May 29, 2024
3815323
Update Include/pymath.h
skirpichev May 29, 2024
10e1bdc
Address review: comments in Include/pymath.h
skirpichev May 29, 2024
97da8f2
Update Include/pymath.h
vstinner May 29, 2024
a3c0b44
Update Include/pymath.h
vstinner May 29, 2024
b45447f
Update Include/pymath.h
vstinner May 29, 2024
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6 changes: 6 additions & 0 deletions Doc/whatsnew/3.14.rst
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Expand Up @@ -193,6 +193,12 @@ Porting to Python 3.14
Deprecated
----------

* Macros :c:macro:`!Py_IS_NAN`, :c:macro:`!Py_IS_INFINITY`
and :c:macro:`!Py_IS_FINITE` are :term:`soft deprecated`,
use instead :c:macro:`!isnan`, :c:macro:`!isinf` and
:c:macro:`!isfinite` available from :file:`math.h`
since C99. (Contributed by Sergey B Kirpichev in :gh:`119613`.)

Removed
-------

3 changes: 3 additions & 0 deletions Include/pymath.h
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Expand Up @@ -29,14 +29,17 @@

// Py_IS_NAN(X)
// Return 1 if float or double arg is a NaN, else 0.
// Soft deprecated since Python 3.14, use isnan() instead.
#define Py_IS_NAN(X) isnan(X)

// Py_IS_INFINITY(X)
// Return 1 if float or double arg is an infinity, else 0.
// Soft deprecated since Python 3.14, use isinf() instead.
#define Py_IS_INFINITY(X) isinf(X)

// Py_IS_FINITE(X)
// Return 1 if float or double arg is neither infinite nor NAN, else 0.
// Soft deprecated since Python 3.14, use isfinite() instead.
#define Py_IS_FINITE(X) isfinite(X)

// Py_INFINITY: Value that evaluates to a positive double infinity.
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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/C API/2024-05-29-09-21-37.gh-issue-119613.J2xfrC.rst
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@@ -0,0 +1,2 @@
Macros ``Py_IS_NAN``, ``Py_IS_INFINITY`` and ``Py_IS_FINITE``
are :term:`soft deprecated`.
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