diff options
Diffstat (limited to 'Doc/c-api/long.rst')
| -rw-r--r-- | Doc/c-api/long.rst | 122 |
1 files changed, 61 insertions, 61 deletions
diff --git a/Doc/c-api/long.rst b/Doc/c-api/long.rst index 9a7811e..6ae1fb6 100644 --- a/Doc/c-api/long.rst +++ b/Doc/c-api/long.rst @@ -10,32 +10,32 @@ Integer Objects All integers are implemented as "long" integer objects of arbitrary size. -.. ctype:: PyLongObject +.. c:type:: PyLongObject - This subtype of :ctype:`PyObject` represents a Python integer object. + This subtype of :c:type:`PyObject` represents a Python integer object. -.. cvar:: PyTypeObject PyLong_Type +.. c:var:: PyTypeObject PyLong_Type - This instance of :ctype:`PyTypeObject` represents the Python integer type. + This instance of :c:type:`PyTypeObject` represents the Python integer type. This is the same object as ``int``. -.. cfunction:: int PyLong_Check(PyObject *p) +.. c:function:: int PyLong_Check(PyObject *p) - Return true if its argument is a :ctype:`PyLongObject` or a subtype of - :ctype:`PyLongObject`. + Return true if its argument is a :c:type:`PyLongObject` or a subtype of + :c:type:`PyLongObject`. -.. cfunction:: int PyLong_CheckExact(PyObject *p) +.. c:function:: int PyLong_CheckExact(PyObject *p) - Return true if its argument is a :ctype:`PyLongObject`, but not a subtype of - :ctype:`PyLongObject`. + Return true if its argument is a :c:type:`PyLongObject`, but not a subtype of + :c:type:`PyLongObject`. -.. cfunction:: PyObject* PyLong_FromLong(long v) +.. c:function:: PyObject* PyLong_FromLong(long v) - Return a new :ctype:`PyLongObject` object from *v*, or *NULL* on failure. + Return a new :c:type:`PyLongObject` object from *v*, or *NULL* on failure. The current implementation keeps an array of integer objects for all integers between ``-5`` and ``256``, when you create an int in that range you actually @@ -44,45 +44,45 @@ All integers are implemented as "long" integer objects of arbitrary size. undefined. :-) -.. cfunction:: PyObject* PyLong_FromUnsignedLong(unsigned long v) +.. c:function:: PyObject* PyLong_FromUnsignedLong(unsigned long v) - Return a new :ctype:`PyLongObject` object from a C :ctype:`unsigned long`, or + Return a new :c:type:`PyLongObject` object from a C :c:type:`unsigned long`, or *NULL* on failure. -.. cfunction:: PyObject* PyLong_FromSsize_t(Py_ssize_t v) +.. c:function:: PyObject* PyLong_FromSsize_t(Py_ssize_t v) - Return a new :ctype:`PyLongObject` object from a C :ctype:`Py_ssize_t`, or + Return a new :c:type:`PyLongObject` object from a C :c:type:`Py_ssize_t`, or *NULL* on failure. -.. cfunction:: PyObject* PyLong_FromSize_t(size_t v) +.. c:function:: PyObject* PyLong_FromSize_t(size_t v) - Return a new :ctype:`PyLongObject` object from a C :ctype:`size_t`, or + Return a new :c:type:`PyLongObject` object from a C :c:type:`size_t`, or *NULL* on failure. -.. cfunction:: PyObject* PyLong_FromLongLong(PY_LONG_LONG v) +.. c:function:: PyObject* PyLong_FromLongLong(PY_LONG_LONG v) - Return a new :ctype:`PyLongObject` object from a C :ctype:`long long`, or *NULL* + Return a new :c:type:`PyLongObject` object from a C :c:type:`long long`, or *NULL* on failure. -.. cfunction:: PyObject* PyLong_FromUnsignedLongLong(unsigned PY_LONG_LONG v) +.. c:function:: PyObject* PyLong_FromUnsignedLongLong(unsigned PY_LONG_LONG v) - Return a new :ctype:`PyLongObject` object from a C :ctype:`unsigned long long`, + Return a new :c:type:`PyLongObject` object from a C :c:type:`unsigned long long`, or *NULL* on failure. -.. cfunction:: PyObject* PyLong_FromDouble(double v) +.. c:function:: PyObject* PyLong_FromDouble(double v) - Return a new :ctype:`PyLongObject` object from the integer part of *v*, or + Return a new :c:type:`PyLongObject` object from the integer part of *v*, or *NULL* on failure. -.. cfunction:: PyObject* PyLong_FromString(char *str, char **pend, int base) +.. c:function:: PyObject* PyLong_FromString(char *str, char **pend, int base) - Return a new :ctype:`PyLongObject` based on the string value in *str*, which + Return a new :c:type:`PyLongObject` based on the string value in *str*, which is interpreted according to the radix in *base*. If *pend* is non-*NULL*, *\*pend* will point to the first character in *str* which follows the representation of the number. If *base* is ``0``, the radix will be @@ -94,34 +94,34 @@ All integers are implemented as "long" integer objects of arbitrary size. ignored. If there are no digits, :exc:`ValueError` will be raised. -.. cfunction:: PyObject* PyLong_FromUnicode(Py_UNICODE *u, Py_ssize_t length, int base) +.. c:function:: PyObject* PyLong_FromUnicode(Py_UNICODE *u, Py_ssize_t length, int base) Convert a sequence of Unicode digits to a Python integer value. The Unicode - string is first encoded to a byte string using :cfunc:`PyUnicode_EncodeDecimal` - and then converted using :cfunc:`PyLong_FromString`. + string is first encoded to a byte string using :c:func:`PyUnicode_EncodeDecimal` + and then converted using :c:func:`PyLong_FromString`. -.. cfunction:: PyObject* PyLong_FromVoidPtr(void *p) +.. c:function:: PyObject* PyLong_FromVoidPtr(void *p) Create a Python integer from the pointer *p*. The pointer value can be - retrieved from the resulting value using :cfunc:`PyLong_AsVoidPtr`. + retrieved from the resulting value using :c:func:`PyLong_AsVoidPtr`. .. XXX alias PyLong_AS_LONG (for now) -.. cfunction:: long PyLong_AsLong(PyObject *pylong) +.. c:function:: long PyLong_AsLong(PyObject *pylong) .. index:: single: LONG_MAX single: OverflowError (built-in exception) - Return a C :ctype:`long` representation of the contents of *pylong*. If + Return a C :c:type:`long` representation of the contents of *pylong*. If *pylong* is greater than :const:`LONG_MAX`, raise an :exc:`OverflowError`, and return -1. Convert non-long objects automatically to long first, and return -1 if that raises exceptions. -.. cfunction:: long PyLong_AsLongAndOverflow(PyObject *pylong, int *overflow) +.. c:function:: long PyLong_AsLongAndOverflow(PyObject *pylong, int *overflow) - Return a C :ctype:`long` representation of the contents of + Return a C :c:type:`long` representation of the contents of *pylong*. If *pylong* is greater than :const:`LONG_MAX` or less than :const:`LONG_MIN`, set *\*overflow* to ``1`` or ``-1``, respectively, and return ``-1``; otherwise, set *\*overflow* to @@ -130,9 +130,9 @@ All integers are implemented as "long" integer objects of arbitrary size. be ``0``. -.. cfunction:: PY_LONG_LONG PyLong_AsLongLongAndOverflow(PyObject *pylong, int *overflow) +.. c:function:: PY_LONG_LONG PyLong_AsLongLongAndOverflow(PyObject *pylong, int *overflow) - Return a C :ctype:`long long` representation of the contents of + Return a C :c:type:`long long` representation of the contents of *pylong*. If *pylong* is greater than :const:`PY_LLONG_MAX` or less than :const:`PY_LLONG_MIN`, set *\*overflow* to ``1`` or ``-1``, respectively, and return ``-1``; otherwise, set *\*overflow* to @@ -143,52 +143,52 @@ All integers are implemented as "long" integer objects of arbitrary size. .. versionadded:: 3.2 -.. cfunction:: Py_ssize_t PyLong_AsSsize_t(PyObject *pylong) +.. c:function:: Py_ssize_t PyLong_AsSsize_t(PyObject *pylong) .. index:: single: PY_SSIZE_T_MAX single: OverflowError (built-in exception) - Return a C :ctype:`Py_ssize_t` representation of the contents of *pylong*. + Return a C :c:type:`Py_ssize_t` representation of the contents of *pylong*. If *pylong* is greater than :const:`PY_SSIZE_T_MAX`, an :exc:`OverflowError` is raised and ``-1`` will be returned. -.. cfunction:: unsigned long PyLong_AsUnsignedLong(PyObject *pylong) +.. c:function:: unsigned long PyLong_AsUnsignedLong(PyObject *pylong) .. index:: single: ULONG_MAX single: OverflowError (built-in exception) - Return a C :ctype:`unsigned long` representation of the contents of *pylong*. + Return a C :c:type:`unsigned long` representation of the contents of *pylong*. If *pylong* is greater than :const:`ULONG_MAX`, an :exc:`OverflowError` is raised. -.. cfunction:: size_t PyLong_AsSize_t(PyObject *pylong) +.. c:function:: size_t PyLong_AsSize_t(PyObject *pylong) - Return a :ctype:`size_t` representation of the contents of *pylong*. If - *pylong* is greater than the maximum value for a :ctype:`size_t`, an + Return a :c:type:`size_t` representation of the contents of *pylong*. If + *pylong* is greater than the maximum value for a :c:type:`size_t`, an :exc:`OverflowError` is raised. -.. cfunction:: PY_LONG_LONG PyLong_AsLongLong(PyObject *pylong) +.. c:function:: PY_LONG_LONG PyLong_AsLongLong(PyObject *pylong) .. index:: single: OverflowError (built-in exception) - Return a C :ctype:`long long` from a Python integer. If *pylong* - cannot be represented as a :ctype:`long long`, an + Return a C :c:type:`long long` from a Python integer. If *pylong* + cannot be represented as a :c:type:`long long`, an :exc:`OverflowError` is raised and ``-1`` is returned. -.. cfunction:: unsigned PY_LONG_LONG PyLong_AsUnsignedLongLong(PyObject *pylong) +.. c:function:: unsigned PY_LONG_LONG PyLong_AsUnsignedLongLong(PyObject *pylong) .. index:: single: OverflowError (built-in exception) - Return a C :ctype:`unsigned long long` from a Python integer. If - *pylong* cannot be represented as an :ctype:`unsigned long long`, + Return a C :c:type:`unsigned long long` from a Python integer. If + *pylong* cannot be represented as an :c:type:`unsigned long long`, an :exc:`OverflowError` is raised and ``(unsigned long long)-1`` is returned. @@ -196,28 +196,28 @@ All integers are implemented as "long" integer objects of arbitrary size. A negative *pylong* now raises :exc:`OverflowError`, not :exc:`TypeError`. -.. cfunction:: unsigned long PyLong_AsUnsignedLongMask(PyObject *io) +.. c:function:: unsigned long PyLong_AsUnsignedLongMask(PyObject *io) - Return a C :ctype:`unsigned long` from a Python integer, without checking for + Return a C :c:type:`unsigned long` from a Python integer, without checking for overflow. -.. cfunction:: unsigned PY_LONG_LONG PyLong_AsUnsignedLongLongMask(PyObject *io) +.. c:function:: unsigned PY_LONG_LONG PyLong_AsUnsignedLongLongMask(PyObject *io) - Return a C :ctype:`unsigned long long` from a Python integer, without + Return a C :c:type:`unsigned long long` from a Python integer, without checking for overflow. -.. cfunction:: double PyLong_AsDouble(PyObject *pylong) +.. c:function:: double PyLong_AsDouble(PyObject *pylong) - Return a C :ctype:`double` representation of the contents of *pylong*. If - *pylong* cannot be approximately represented as a :ctype:`double`, an + Return a C :c:type:`double` representation of the contents of *pylong*. If + *pylong* cannot be approximately represented as a :c:type:`double`, an :exc:`OverflowError` exception is raised and ``-1.0`` will be returned. -.. cfunction:: void* PyLong_AsVoidPtr(PyObject *pylong) +.. c:function:: void* PyLong_AsVoidPtr(PyObject *pylong) - Convert a Python integer *pylong* to a C :ctype:`void` pointer. + Convert a Python integer *pylong* to a C :c:type:`void` pointer. If *pylong* cannot be converted, an :exc:`OverflowError` will be raised. This - is only assured to produce a usable :ctype:`void` pointer for values created - with :cfunc:`PyLong_FromVoidPtr`. + is only assured to produce a usable :c:type:`void` pointer for values created + with :c:func:`PyLong_FromVoidPtr`. |