Protocolo de número¶
-
int
PyNumber_Check
(PyObject *o)¶ - Part of the Stable ABI.
Retorna
1
se o objeto o fornece protocolos numéricos; caso contrário, retorna falso. Esta função sempre tem sucesso.Alterado na versão 3.8: Retorna
1
se o for um número inteiro de índice.
-
PyObject *
PyNumber_Add
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Retorna o resultado da adição de o1 e o2, ou
NULL
em caso de falha. Este é o equivalente da expressão Pythono1 + o2
.
-
PyObject *
PyNumber_Subtract
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Retorna o resultado da subtração de o2 por o1, ou
NULL
em caso de falha. Este é o equivalente da expressão Pythono1 - o2
.
-
PyObject *
PyNumber_Multiply
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Retorna o resultado da multiplicação de o1 e o2, ou
NULL
em caso de falha. Este é o equivalente da expressão Pythono1 * o2
.
-
PyObject *
PyNumber_MatrixMultiply
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI since version 3.7.
Retorna o resultado da multiplicação da matriz em o1 e o2, ou
NULL
em caso de falha. Este é o equivalente da expressão Pythono1 @ o2
.Novo na versão 3.5.
-
PyObject *
PyNumber_FloorDivide
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Return the floor of o1 divided by o2, or
NULL
on failure. This is the equivalent of the Python expressiono1 // o2
.
-
PyObject *
PyNumber_TrueDivide
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Return a reasonable approximation for the mathematical value of o1 divided by o2, or
NULL
on failure. The return value is “approximate” because binary floating point numbers are approximate; it is not possible to represent all real numbers in base two. This function can return a floating point value when passed two integers. This is the equivalent of the Python expressiono1 / o2
.
-
PyObject *
PyNumber_Remainder
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the remainder of dividing o1 by o2, or
NULL
on failure. This is the equivalent of the Python expressiono1 % o2
.
-
PyObject *
PyNumber_Divmod
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
See the built-in function
divmod()
. ReturnsNULL
on failure. This is the equivalent of the Python expressiondivmod(o1, o2)
.
-
PyObject *
PyNumber_Power
(PyObject *o1, PyObject *o2, PyObject *o3)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
See the built-in function
pow()
. ReturnsNULL
on failure. This is the equivalent of the Python expressionpow(o1, o2, o3)
, where o3 is optional. If o3 is to be ignored, passPy_None
in its place (passingNULL
for o3 would cause an illegal memory access).
-
PyObject *
PyNumber_Negative
(PyObject *o)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the negation of o on success, or
NULL
on failure. This is the equivalent of the Python expression-o
.
-
PyObject *
PyNumber_Positive
(PyObject *o)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns o on success, or
NULL
on failure. This is the equivalent of the Python expression+o
.
-
PyObject *
PyNumber_Absolute
(PyObject *o)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the absolute value of o, or
NULL
on failure. This is the equivalent of the Python expressionabs(o)
.
-
PyObject *
PyNumber_Invert
(PyObject *o)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the bitwise negation of o on success, or
NULL
on failure. This is the equivalent of the Python expression~o
.
-
PyObject *
PyNumber_Lshift
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the result of left shifting o1 by o2 on success, or
NULL
on failure. This is the equivalent of the Python expressiono1 << o2
.
-
PyObject *
PyNumber_Rshift
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the result of right shifting o1 by o2 on success, or
NULL
on failure. This is the equivalent of the Python expressiono1 >> o2
.
-
PyObject *
PyNumber_And
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the “bitwise and” of o1 and o2 on success and
NULL
on failure. This is the equivalent of the Python expressiono1 & o2
.
-
PyObject *
PyNumber_Xor
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the “bitwise exclusive or” of o1 by o2 on success, or
NULL
on failure. This is the equivalent of the Python expressiono1 ^ o2
.
-
PyObject *
PyNumber_Or
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the “bitwise or” of o1 and o2 on success, or
NULL
on failure. This is the equivalent of the Python expressiono1 | o2
.
-
PyObject *
PyNumber_InPlaceAdd
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the result of adding o1 and o2, or
NULL
on failure. The operation is done in-place when o1 supports it. This is the equivalent of the Python statemento1 += o2
.
-
PyObject *
PyNumber_InPlaceSubtract
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the result of subtracting o2 from o1, or
NULL
on failure. The operation is done in-place when o1 supports it. This is the equivalent of the Python statemento1 -= o2
.
-
PyObject *
PyNumber_InPlaceMultiply
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the result of multiplying o1 and o2, or
NULL
on failure. The operation is done in-place when o1 supports it. This is the equivalent of the Python statemento1 *= o2
.
-
PyObject *
PyNumber_InPlaceMatrixMultiply
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI since version 3.7.
Returns the result of matrix multiplication on o1 and o2, or
NULL
on failure. The operation is done in-place when o1 supports it. This is the equivalent of the Python statemento1 @= o2
.Novo na versão 3.5.
-
PyObject *
PyNumber_InPlaceFloorDivide
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the mathematical floor of dividing o1 by o2, or
NULL
on failure. The operation is done in-place when o1 supports it. This is the equivalent of the Python statemento1 //= o2
.
-
PyObject *
PyNumber_InPlaceTrueDivide
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Return a reasonable approximation for the mathematical value of o1 divided by o2, or
NULL
on failure. The return value is “approximate” because binary floating point numbers are approximate; it is not possible to represent all real numbers in base two. This function can return a floating point value when passed two integers. The operation is done in-place when o1 supports it. This is the equivalent of the Python statemento1 /= o2
.
-
PyObject *
PyNumber_InPlaceRemainder
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the remainder of dividing o1 by o2, or
NULL
on failure. The operation is done in-place when o1 supports it. This is the equivalent of the Python statemento1 %= o2
.
-
PyObject *
PyNumber_InPlacePower
(PyObject *o1, PyObject *o2, PyObject *o3)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
See the built-in function
pow()
. ReturnsNULL
on failure. The operation is done in-place when o1 supports it. This is the equivalent of the Python statemento1 **= o2
when o3 isPy_None
, or an in-place variant ofpow(o1, o2, o3)
otherwise. If o3 is to be ignored, passPy_None
in its place (passingNULL
for o3 would cause an illegal memory access).
-
PyObject *
PyNumber_InPlaceLshift
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the result of left shifting o1 by o2 on success, or
NULL
on failure. The operation is done in-place when o1 supports it. This is the equivalent of the Python statemento1 <<= o2
.
-
PyObject *
PyNumber_InPlaceRshift
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the result of right shifting o1 by o2 on success, or
NULL
on failure. The operation is done in-place when o1 supports it. This is the equivalent of the Python statemento1 >>= o2
.
-
PyObject *
PyNumber_InPlaceAnd
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the “bitwise and” of o1 and o2 on success and
NULL
on failure. The operation is done in-place when o1 supports it. This is the equivalent of the Python statemento1 &= o2
.
-
PyObject *
PyNumber_InPlaceXor
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the “bitwise exclusive or” of o1 by o2 on success, or
NULL
on failure. The operation is done in-place when o1 supports it. This is the equivalent of the Python statemento1 ^= o2
.
-
PyObject *
PyNumber_InPlaceOr
(PyObject *o1, PyObject *o2)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the “bitwise or” of o1 and o2 on success, or
NULL
on failure. The operation is done in-place when o1 supports it. This is the equivalent of the Python statemento1 |= o2
.
-
PyObject *
PyNumber_Long
(PyObject *o)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the o converted to an integer object on success, or
NULL
on failure. This is the equivalent of the Python expressionint(o)
.
-
PyObject *
PyNumber_Float
(PyObject *o)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the o converted to a float object on success, or
NULL
on failure. This is the equivalent of the Python expressionfloat(o)
.
-
PyObject *
PyNumber_Index
(PyObject *o)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the o converted to a Python int on success or
NULL
with aTypeError
exception raised on failure.Alterado na versão 3.10: O resultado sempre tem o tipo exato
int
. Anteriormente, o resultado poderia ter sido uma instância de uma subclasse deint
.
-
PyObject *
PyNumber_ToBase
(PyObject *n, int base)¶ - Retorna valor: Nova referência. Part of the Stable ABI.
Returns the integer n converted to base base as a string. The base argument must be one of 2, 8, 10, or 16. For base 2, 8, or 16, the returned string is prefixed with a base marker of
'0b'
,'0o'
, or'0x'
, respectively. If n is not a Python int, it is converted withPyNumber_Index()
first.
-
Py_ssize_t
PyNumber_AsSsize_t
(PyObject *o, PyObject *exc)¶ - Part of the Stable ABI.
Returns o converted to a
Py_ssize_t
value if o can be interpreted as an integer. If the call fails, an exception is raised and-1
is returned.If o can be converted to a Python int but the attempt to convert to a
Py_ssize_t
value would raise anOverflowError
, then the exc argument is the type of exception that will be raised (usuallyIndexError
orOverflowError
). If exc isNULL
, then the exception is cleared and the value is clipped toPY_SSIZE_T_MIN
for a negative integer orPY_SSIZE_T_MAX
for a positive integer.
-
int
PyIndex_Check
(PyObject *o)¶ - Part of the Stable ABI since version 3.8.
Returns
1
if o is an index integer (has thenb_index
slot of thetp_as_number
structure filled in), and0
otherwise. This function always succeeds.