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Edit File: longobject.h

#ifndef Py_LONGOBJECT_H #define Py_LONGOBJECT_H #ifdef __cplusplus extern "C" { #endif /* Long (arbitrary precision) integer object interface */ typedef struct _longobject PyLongObject; /* Revealed in longintrepr.h */ PyAPI_DATA(PyTypeObject) PyLong_Type; #define PyLong_Check(op) \ PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_LONG_SUBCLASS) #define PyLong_CheckExact(op) Py_IS_TYPE(op, &PyLong_Type) PyAPI_FUNC(PyObject *) PyLong_FromLong(long); PyAPI_FUNC(PyObject *) PyLong_FromUnsignedLong(unsigned long); PyAPI_FUNC(PyObject *) PyLong_FromSize_t(size_t); PyAPI_FUNC(PyObject *) PyLong_FromSsize_t(Py_ssize_t); PyAPI_FUNC(PyObject *) PyLong_FromDouble(double); PyAPI_FUNC(long) PyLong_AsLong(PyObject *); PyAPI_FUNC(long) PyLong_AsLongAndOverflow(PyObject *, int *); PyAPI_FUNC(Py_ssize_t) PyLong_AsSsize_t(PyObject *); PyAPI_FUNC(size_t) PyLong_AsSize_t(PyObject *); PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLong(PyObject *); PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLongMask(PyObject *); #ifndef Py_LIMITED_API PyAPI_FUNC(int) _PyLong_AsInt(PyObject *); #endif PyAPI_FUNC(PyObject *) PyLong_GetInfo(void); /* It may be useful in the future. I've added it in the PyInt -> PyLong cleanup to keep the extra information. [CH] */ #define PyLong_AS_LONG(op) PyLong_AsLong(op) /* Issue #1983: pid_t can be longer than a C long on some systems */ #if !defined(SIZEOF_PID_T) || SIZEOF_PID_T == SIZEOF_INT #define _Py_PARSE_PID "i" #define PyLong_FromPid PyLong_FromLong #define PyLong_AsPid PyLong_AsLong #elif SIZEOF_PID_T == SIZEOF_LONG #define _Py_PARSE_PID "l" #define PyLong_FromPid PyLong_FromLong #define PyLong_AsPid PyLong_AsLong #elif defined(SIZEOF_LONG_LONG) && SIZEOF_PID_T == SIZEOF_LONG_LONG #define _Py_PARSE_PID "L" #define PyLong_FromPid PyLong_FromLongLong #define PyLong_AsPid PyLong_AsLongLong #else #error "sizeof(pid_t) is neither sizeof(int), sizeof(long) or sizeof(long long)" #endif /* SIZEOF_PID_T */ #if SIZEOF_VOID_P == SIZEOF_INT # define _Py_PARSE_INTPTR "i" # define _Py_PARSE_UINTPTR "I" #elif SIZEOF_VOID_P == SIZEOF_LONG # define _Py_PARSE_INTPTR "l" # define _Py_PARSE_UINTPTR "k" #elif defined(SIZEOF_LONG_LONG) && SIZEOF_VOID_P == SIZEOF_LONG_LONG # define _Py_PARSE_INTPTR "L" # define _Py_PARSE_UINTPTR "K" #else # error "void* different in size from int, long and long long" #endif /* SIZEOF_VOID_P */ #ifndef Py_LIMITED_API PyAPI_FUNC(int) _PyLong_UnsignedShort_Converter(PyObject *, void *); PyAPI_FUNC(int) _PyLong_UnsignedInt_Converter(PyObject *, void *); PyAPI_FUNC(int) _PyLong_UnsignedLong_Converter(PyObject *, void *); PyAPI_FUNC(int) _PyLong_UnsignedLongLong_Converter(PyObject *, void *); PyAPI_FUNC(int) _PyLong_Size_t_Converter(PyObject *, void *); #endif /* Used by Python/mystrtoul.c, _PyBytes_FromHex(), _PyBytes_DecodeEscape(), etc. */ #ifndef Py_LIMITED_API PyAPI_DATA(unsigned char) _PyLong_DigitValue[256]; #endif /* _PyLong_Frexp returns a double x and an exponent e such that the true value is approximately equal to x * 2**e. e is >= 0. x is 0.0 if and only if the input is 0 (in which case, e and x are both zeroes); otherwise, 0.5 <= abs(x) < 1.0. On overflow, which is possible if the number of bits doesn't fit into a Py_ssize_t, sets OverflowError and returns -1.0 for x, 0 for e. */ #ifndef Py_LIMITED_API PyAPI_FUNC(double) _PyLong_Frexp(PyLongObject *a, Py_ssize_t *e); #endif PyAPI_FUNC(double) PyLong_AsDouble(PyObject *); PyAPI_FUNC(PyObject *) PyLong_FromVoidPtr(void *); PyAPI_FUNC(void *) PyLong_AsVoidPtr(PyObject *); PyAPI_FUNC(PyObject *) PyLong_FromLongLong(long long); PyAPI_FUNC(PyObject *) PyLong_FromUnsignedLongLong(unsigned long long); PyAPI_FUNC(long long) PyLong_AsLongLong(PyObject *); PyAPI_FUNC(unsigned long long) PyLong_AsUnsignedLongLong(PyObject *); PyAPI_FUNC(unsigned long long) PyLong_AsUnsignedLongLongMask(PyObject *); PyAPI_FUNC(long long) PyLong_AsLongLongAndOverflow(PyObject *, int *); PyAPI_FUNC(PyObject *) PyLong_FromString(const char *, char **, int); #ifndef Py_LIMITED_API Py_DEPRECATED(3.3) PyAPI_FUNC(PyObject *) PyLong_FromUnicode(Py_UNICODE*, Py_ssize_t, int); PyAPI_FUNC(PyObject *) PyLong_FromUnicodeObject(PyObject *u, int base); PyAPI_FUNC(PyObject *) _PyLong_FromBytes(const char *, Py_ssize_t, int); #endif #ifndef Py_LIMITED_API /* _PyLong_Sign. Return 0 if v is 0, -1 if v < 0, +1 if v > 0. v must not be NULL, and must be a normalized long. There are no error cases. */ PyAPI_FUNC(int) _PyLong_Sign(PyObject *v); /* _PyLong_NumBits. Return the number of bits needed to represent the absolute value of a long. For example, this returns 1 for 1 and -1, 2 for 2 and -2, and 2 for 3 and -3. It returns 0 for 0. v must not be NULL, and must be a normalized long. (size_t)-1 is returned and OverflowError set if the true result doesn't fit in a size_t. */ PyAPI_FUNC(size_t) _PyLong_NumBits(PyObject *v); /* _PyLong_DivmodNear. Given integers a and b, compute the nearest integer q to the exact quotient a / b, rounding to the nearest even integer in the case of a tie. Return (q, r), where r = a - q*b. The remainder r will satisfy abs(r) <= abs(b)/2, with equality possible only if q is even. */ PyAPI_FUNC(PyObject *) _PyLong_DivmodNear(PyObject *, PyObject *); /* _PyLong_FromByteArray: View the n unsigned bytes as a binary integer in base 256, and return a Python int with the same numeric value. If n is 0, the integer is 0. Else: If little_endian is 1/true, bytes[n-1] is the MSB and bytes[0] the LSB; else (little_endian is 0/false) bytes[0] is the MSB and bytes[n-1] the LSB. If is_signed is 0/false, view the bytes as a non-negative integer. If is_signed is 1/true, view the bytes as a 2's-complement integer, non-negative if bit 0x80 of the MSB is clear, negative if set. Error returns: + Return NULL with the appropriate exception set if there's not enough memory to create the Python int. */ PyAPI_FUNC(PyObject *) _PyLong_FromByteArray( const unsigned char* bytes, size_t n, int little_endian, int is_signed); /* _PyLong_AsByteArray: Convert the least-significant 8*n bits of long v to a base-256 integer, stored in array bytes. Normally return 0, return -1 on error. If little_endian is 1/true, store the MSB at bytes[n-1] and the LSB at bytes[0]; else (little_endian is 0/false) store the MSB at bytes[0] and the LSB at bytes[n-1]. If is_signed is 0/false, it's an error if v < 0; else (v >= 0) n bytes are filled and there's nothing special about bit 0x80 of the MSB. If is_signed is 1/true, bytes is filled with the 2's-complement representation of v's value. Bit 0x80 of the MSB is the sign bit. Error returns (-1): + is_signed is 0 and v < 0. TypeError is set in this case, and bytes isn't altered. + n isn't big enough to hold the full mathematical value of v. For example, if is_signed is 0 and there are more digits in the v than fit in n; or if is_signed is 1, v < 0, and n is just 1 bit shy of being large enough to hold a sign bit. OverflowError is set in this case, but bytes holds the least-significant n bytes of the true value. */ PyAPI_FUNC(int) _PyLong_AsByteArray(PyLongObject* v, unsigned char* bytes, size_t n, int little_endian, int is_signed); /* _PyLong_FromNbInt: Convert the given object to a PyLongObject using the nb_int slot, if available. Raise TypeError if either the nb_int slot is not available or the result of the call to nb_int returns something not of type int. */ PyAPI_FUNC(PyObject *) _PyLong_FromNbInt(PyObject *); /* Convert the given object to a PyLongObject using the nb_index or nb_int slots, if available (the latter is deprecated). Raise TypeError if either nb_index and nb_int slots are not available or the result of the call to nb_index or nb_int returns something not of type int. Should be replaced with PyNumber_Index after the end of the deprecation period. */ PyAPI_FUNC(PyObject *) _PyLong_FromNbIndexOrNbInt(PyObject *); /* _PyLong_Format: Convert the long to a string object with given base, appending a base prefix of 0[box] if base is 2, 8 or 16. */ PyAPI_FUNC(PyObject *) _PyLong_Format(PyObject *obj, int base); PyAPI_FUNC(int) _PyLong_FormatWriter( _PyUnicodeWriter *writer, PyObject *obj, int base, int alternate); PyAPI_FUNC(char*) _PyLong_FormatBytesWriter( _PyBytesWriter *writer, char *str, PyObject *obj, int base, int alternate); /* Format the object based on the format_spec, as defined in PEP 3101 (Advanced String Formatting). */ PyAPI_FUNC(int) _PyLong_FormatAdvancedWriter( _PyUnicodeWriter *writer, PyObject *obj, PyObject *format_spec, Py_ssize_t start, Py_ssize_t end); #endif /* Py_LIMITED_API */ /* These aren't really part of the int object, but they're handy. The functions are in Python/mystrtoul.c. */ PyAPI_FUNC(unsigned long) PyOS_strtoul(const char *, char **, int); PyAPI_FUNC(long) PyOS_strtol(const char *, char **, int); #ifndef Py_LIMITED_API /* For use by the gcd function in mathmodule.c */ PyAPI_FUNC(PyObject *) _PyLong_GCD(PyObject *, PyObject *); #endif /* !Py_LIMITED_API */ #ifndef Py_LIMITED_API PyAPI_DATA(PyObject *) _PyLong_Zero; PyAPI_DATA(PyObject *) _PyLong_One; PyAPI_FUNC(PyObject *) _PyLong_Rshift(PyObject *, size_t); PyAPI_FUNC(PyObject *) _PyLong_Lshift(PyObject *, size_t); #endif #ifdef __cplusplus } #endif #endif /* !Py_LONGOBJECT_H */