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#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) PyObject_TypeCheck(op, &PyLong_Type)
#define PyLong_CheckExact(op) ((op)->ob_type == &PyLong_Type)
PyAPI_FUNC(PyObject *) PyLong_FromLong(long);PyAPI_FUNC(PyObject *) PyLong_FromUnsignedLong(unsigned long);PyAPI_FUNC(PyObject *) PyLong_FromDouble(double);PyAPI_FUNC(long) PyLong_AsLong(PyObject *);PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLong(PyObject *);PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLongMask(PyObject *);
/* For use by intobject.c only */PyAPI_FUNC(Py_ssize_t) _PyLong_AsSsize_t(PyObject *);PyAPI_FUNC(PyObject *) _PyLong_FromSize_t(size_t);PyAPI_FUNC(PyObject *) _PyLong_FromSsize_t(Py_ssize_t);PyAPI_DATA(int) _PyLong_DigitValue[256];
/* _PyLong_AsScaledDouble returns a double x and an exponent e such that
the true value is approximately equal to x * 2**(SHIFT*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). Overflow is impossible. Note that the exponent returned must be multiplied by SHIFT! There may not be enough room in an int to store e*SHIFT directly. */PyAPI_FUNC(double) _PyLong_AsScaledDouble(PyObject *vv, int *e);
PyAPI_FUNC(double) PyLong_AsDouble(PyObject *);PyAPI_FUNC(PyObject *) PyLong_FromVoidPtr(void *);PyAPI_FUNC(void *) PyLong_AsVoidPtr(PyObject *);
#ifdef HAVE_LONG_LONG
PyAPI_FUNC(PyObject *) PyLong_FromLongLong(PY_LONG_LONG);PyAPI_FUNC(PyObject *) PyLong_FromUnsignedLongLong(unsigned PY_LONG_LONG);PyAPI_FUNC(PY_LONG_LONG) PyLong_AsLongLong(PyObject *);PyAPI_FUNC(unsigned PY_LONG_LONG) PyLong_AsUnsignedLongLong(PyObject *);PyAPI_FUNC(unsigned PY_LONG_LONG) PyLong_AsUnsignedLongLongMask(PyObject *);#endif /* HAVE_LONG_LONG */
PyAPI_FUNC(PyObject *) PyLong_FromString(char *, char **, int);#ifdef Py_USING_UNICODE
PyAPI_FUNC(PyObject *) PyLong_FromUnicode(Py_UNICODE*, Py_ssize_t, int);#endif
/* _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_FromByteArray: View the n unsigned bytes as a binary integer in
base 256, and return a Python long 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 long.*/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-signficant 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);
#ifdef __cplusplus
}#endif
#endif /* !Py_LONGOBJECT_H */
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