Counter Strike : Global Offensive Source Code
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#ifndef Py_LONGINTREPR_H
#define Py_LONGINTREPR_H
#ifdef __cplusplus
extern "C" {#endif
/* This is published for the benefit of "friend" marshal.c only. */
/* Parameters of the long integer representation.
These shouldn't have to be changed as C should guarantee that a short contains at least 16 bits, but it's made changeable anyway. Note: 'digit' should be able to hold 2*MASK+1, and 'twodigits' should be able to hold the intermediate results in 'mul' (at most (BASE-1)*(2*BASE+1) == MASK*(2*MASK+3)). Also, x_sub assumes that 'digit' is an unsigned type, and overflow is handled by taking the result mod 2**N for some N > SHIFT. And, at some places it is assumed that MASK fits in an int, as well. long_pow() requires that SHIFT be divisible by 5. */
typedef unsigned short digit;typedef unsigned int wdigit; /* digit widened to parameter size */#define BASE_TWODIGITS_TYPE long
typedef unsigned BASE_TWODIGITS_TYPE twodigits;typedef BASE_TWODIGITS_TYPE stwodigits; /* signed variant of twodigits */
#define SHIFT 15
#define BASE ((digit)1 << SHIFT)
#define MASK ((int)(BASE - 1))
#if SHIFT % 5 != 0
#error "longobject.c requires that SHIFT be divisible by 5"
#endif
/* Long integer representation.
The absolute value of a number is equal to SUM(for i=0 through abs(ob_size)-1) ob_digit[i] * 2**(SHIFT*i) Negative numbers are represented with ob_size < 0; zero is represented by ob_size == 0. In a normalized number, ob_digit[abs(ob_size)-1] (the most significant digit) is never zero. Also, in all cases, for all valid i, 0 <= ob_digit[i] <= MASK. The allocation function takes care of allocating extra memory so that ob_digit[0] ... ob_digit[abs(ob_size)-1] are actually available.
CAUTION: Generic code manipulating subtypes of PyVarObject has to aware that longs abuse ob_size's sign bit.*/
struct _longobject { PyObject_VAR_HEAD digit ob_digit[1];};
PyAPI_FUNC(PyLongObject *) _PyLong_New(Py_ssize_t);
/* Return a copy of src. */PyAPI_FUNC(PyObject *) _PyLong_Copy(PyLongObject *src);
#ifdef __cplusplus
}#endif
#endif /* !Py_LONGINTREPR_H */
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