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- Floating-Point Objects — Python 3.14.8 ドキュメント 11159
- ナビゲーション 索引 モジュール | 次へ | 前へ | Python » 3.14.8 Documentation » Python/C API reference manual » 具象オブジェクト (concrete object) レイヤ » Floating-Point Objects テーマ 自動 ライト ダーク | Floating-Point Objects ¶ type PyFl
...Py_INFINITY ¶ This macro expands to a constant expression of type double , that represents the positive infinity. On most platforms, this is equivalent to the INFINITY macro from the C11 standard <math.h> header. Py_NAN ¶ This macro expands to a constant...expression of type double , that represents a quiet not-a-number (qNaN) value. On most platforms, this is equivalent to the NAN macro from the C11 standard <math.h> header. Py_HUGE_VAL ¶ Equivalent to INFINITY . バージョ...or a double type) of the math.tau constant. Added in version 3.6. Py_RETURN_NAN ¶ Return math.nan from a function. On most platforms, this is equivalent to return PyFloat_FromDouble(NAN) . Py_RETURN_INF ( sign ) ¶ Return math.inf or -math.inf from a funct... - https://man.mtool.work/python/3.14/c-api/float.html
- Floating-Point Objects — Python 3.14.8 ドキュメント 11159
- ナビゲーション 索引 モジュール | 次へ | 前へ | Python » 3.14.8 Documentation » Python/C API reference manual » 具象オブジェクト (concrete object) レイヤ » Floating-Point Objects テーマ 自動 ライト ダーク | Floating-Point Objects ¶ type PyFl
...Py_INFINITY ¶ This macro expands to a constant expression of type double , that represents the positive infinity. On most platforms, this is equivalent to the INFINITY macro from the C11 standard <math.h> header. Py_NAN ¶ This macro expands to a constant...expression of type double , that represents a quiet not-a-number (qNaN) value. On most platforms, this is equivalent to the NAN macro from the C11 standard <math.h> header. Py_HUGE_VAL ¶ Equivalent to INFINITY . バージョ...or a double type) of the math.tau constant. Added in version 3.6. Py_RETURN_NAN ¶ Return math.nan from a function. On most platforms, this is equivalent to return PyFloat_FromDouble(NAN) . Py_RETURN_INF ( sign ) ¶ Return math.inf or -math.inf from a funct... - https://man.mtool.work/python/3.14/c-api/float.html
- 変更履歴 — Python 3.14.8 ドキュメント 10926
- ナビゲーション 索引 モジュール | 次へ | 前へ | Python » 3.14.8 Documentation » What's New in Python » 変更履歴 テーマ 自動 ライト ダーク | 変更履歴 ¶ Python next ¶ Release date: XXXX-XX-XX セキュリティ ¶ gh-157265 : In tarfile , when extrac
...ut now records the waiter in the call graph. gh-156933 : Fix incorrect integer return values from ctypes callbacks on some platforms, such as s390x. gh-157048 : Preserve the position and contents of io.BytesIO when BytesIO.__init__() fails because a buffe...the UF_NOUNLINK flag failed with EISDIR instead of EPERM . gh-154291 : Fix socket.has_dualstack_ipv6() to return False on platforms such as DragonFly BSD where setting IPV6_V6ONLY to 0 silently has no effect. gh-154283 : On DragonFly BSD, threading.get_n...ative_id() now returns a value that is unique across processes, matching the other platforms. gh-154258 : Fix a crash in mmap.mmap.resize() on NetBSD when growing a shared anonymous mapping. resize() now raises Valu... - https://man.mtool.work/python/3.14/whatsnew/changelog.html
- PyHash API — Python 3.14.8 ドキュメント 8508
- ナビゲーション 索引 モジュール | 次へ | 前へ | Python » 3.14.8 Documentation » Python/C API reference manual » ユーティリティ » PyHash API テーマ 自動 ライト ダーク | PyHash API ¶ PyTypeObject.tp_hash メンバや 数値型のハッシュ化 も参照してく
...HM . A Py_HASH_CUTOFF of 0 disables the optimization. Py_HASH_CUTOFF must be non-negative and less or equal than 7. 32-bit platforms should use a cutoff smaller than 64-bit platforms because it is easier to create colliding strings. A cutoff of 7 on 64-bi...t platforms and 5 on 32-bit platforms should provide a decent safety margin. This corresponds to the sys.hash_info.cutoff constant. Ad...関連キーワード hash Py Added function sys info algorithm corresponds constant const PyHASH bits PyHash used value type bit platforms Hash void 前のトピックへ 文字列の変換と書式化 次のトピックへ リフレクション This page Report a bug Improve this page Show... - https://man.mtool.work/python/3.14/c-api/hash.html
- Support for Perf Maps — Python 3.14.8 ドキュメント 8508
- ナビゲーション 索引 モジュール | 次へ | 前へ | Python » 3.14.8 Documentation » Python/C API reference manual » ユーティリティ » Support for Perf Maps テーマ 自動 ライト ダーク | Support for Perf Maps ¶ On supported platforms (as of this wri
...ります。 Open the /tmp/perf-$pid.map file and append the content of parent_filename to it. This function is available on all platforms but only generates output on platforms that support perf maps (currently only Linux). On other platforms, it does nothing....3. 関連キーワード perf map PyUnstable file code int Unstable マイナー リリース 予告 failure PerfMapState call entry enable platforms create tmp Init void 前のトピックへ PyTime C API 次のトピックへ 抽象オブジェクトレイヤ (Abstract Objects Layer) This page... - https://man.mtool.work/python/3.14/c-api/perfmaps.html
- Support for Perf Maps — Python 3.14.8 ドキュメント 8508
- ナビゲーション 索引 モジュール | 次へ | 前へ | Python » 3.14.8 Documentation » Python/C API reference manual » ユーティリティ » Support for Perf Maps テーマ 自動 ライト ダーク | Support for Perf Maps ¶ On supported platforms (as of this wri
...ります。 Open the /tmp/perf-$pid.map file and append the content of parent_filename to it. This function is available on all platforms but only generates output on platforms that support perf maps (currently only Linux). On other platforms, it does nothing....n version 3.13. 関連キーワード perf PyUnstable code Unstable マイナー リリース 予告 failure PerfMapState call entry enable platforms create Init success trampoline fork runtime process thread opened WritePerfMapEntry Added PerfTrampoline 前のトピックへ Py... - https://man.mtool.work/python/3.14/c-api/perfmaps.html
- PyHash API — Python 3.14.8 ドキュメント 8397
- ナビゲーション 索引 モジュール | 次へ | 前へ | Python » 3.14.8 Documentation » Python/C API reference manual » ユーティリティ » PyHash API テーマ 自動 ライト ダーク | PyHash API ¶ PyTypeObject.tp_hash メンバや 数値型のハッシュ化 も参照してく
...HM . A Py_HASH_CUTOFF of 0 disables the optimization. Py_HASH_CUTOFF must be non-negative and less or equal than 7. 32-bit platforms should use a cutoff smaller than 64-bit platforms because it is easier to create colliding strings. A cutoff of 7 on 64-bi...t platforms and 5 on 32-bit platforms should provide a decent safety margin. This corresponds to the sys.hash_info.cutoff constant. Ad...nter() . Added in version 3.13. 関連キーワード hash Added info algorithm corresponds constant PyHASH bits PyHash used type platforms Hash ハッシュ bytes hashing cutoff seed pointer buffer 数値 符号 整数 memoryview アルゴリズム 前のトピックへ 文字列の変換と... - https://man.mtool.work/python/3.14/c-api/hash.html
- sys.path モジュール検索パスの初期化 — Python 3.14.8 ドキュメント 7931
- ナビゲーション 索引 モジュール | 次へ | 前へ | Python » 3.14.8 Documentation » The Python standard library » モジュールのインポート » sys.path モジュール検索パスの初期化 テーマ 自動 ライト ダーク | sys.path モジュール検索パスの初期化 ¶ モジ
...as any extension module s that these modules depend on. Extension modules are .pyd files on Windows and .so files on other platforms. The directory with the platform-independent Python modules is called prefix . The directory with the extension modules is...orversion . minorversion /os.py ( lib/python3.11/os.py ). On Windows prefix and exec_prefix are the same, however on other platforms lib/python majorversion . minorversion /lib-dynload ( lib/python3.11/lib-dynload ) is searched for and used as an anchor f...or exec_prefix . On some platforms lib may be lib64 or another value, see sys.platlibdir and PYTHONPLATLIBDIR . Once found, prefix and exec_prefix are availa... - https://man.mtool.work/python/3.14/library/sys_path_init.html
- What's New In Python 3.7 — Python 3.14.8 ドキュメント 7587
- ナビゲーション 索引 モジュール | 次へ | 前へ | Python » 3.14.8 Documentation » What's New in Python » What's New In Python 3.7 テーマ 自動 ライト ダーク | What's New In Python 3.7 ¶ 編集者 : Elvis Pranskevichus < elvis @ magic . io > この記
...or thread-local storage support; the existing Thread Local Storage (TLS) API has used int to represent TLS keys across all platforms. This has not generally been a problem for officially support platforms, but that is neither POSIX-compliant, nor portable...pe the definition of which may depend on the underlying TLS implementation. Therefore, this will allow to build CPython on platforms where the native TLS key is defined in a way that cannot be safely cast to int . Note that on platforms where the native T...existing TLS API will be no-op and immediately return failure. This indicates clearly that the old API is not supported on platforms where it cannot be used reliably, and that no effort will be made to add such support. 参考 PEP 539 -- A New C-API for Thr... - https://man.mtool.work/python/3.14/whatsnew/3.7.html
- What's New In Python 3.7 — Python 3.14.8 ドキュメント 7465
- ナビゲーション 索引 モジュール | 次へ | 前へ | Python » 3.14.8 Documentation » What's New in Python » What's New In Python 3.7 テーマ 自動 ライト ダーク | What's New In Python 3.7 ¶ 編集者 : Elvis Pranskevichus < elvis @ magic . io > この記
...or thread-local storage support; the existing Thread Local Storage (TLS) API has used int to represent TLS keys across all platforms. This has not generally been a problem for officially support platforms, but that is neither POSIX-compliant, nor portable...pe the definition of which may depend on the underlying TLS implementation. Therefore, this will allow to build CPython on platforms where the native TLS key is defined in a way that cannot be safely cast to int . Note that on platforms where the native T...existing TLS API will be no-op and immediately return failure. This indicates clearly that the old API is not supported on platforms where it cannot be used reliably, and that no effort will be made to add such support. 参考 PEP 539 -- A New C-API for Thr... - https://man.mtool.work/python/3.14/whatsnew/3.7.html