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Name	Size	Permission	Date
pycore_abstract.h	479 B	-rw-r--r--	2024-12-03 17:27
pycore_accu.h	1.1 KB	-rw-r--r--	2024-12-03 17:27
pycore_asdl.h	2.9 KB	-rw-r--r--	2024-12-03 17:27
pycore_ast.h	28.15 KB	-rw-r--r--	2024-12-03 17:27
pycore_ast_state.h	6.31 KB	-rw-r--r--	2024-12-03 17:27
pycore_atomic.h	16.58 KB	-rw-r--r--	2024-12-03 17:27
pycore_atomic_funcs.h	2.38 KB	-rw-r--r--	2024-12-03 17:27
pycore_bitutils.h	5.15 KB	-rw-r--r--	2024-12-03 17:27
pycore_blocks_output_buffer.h	8.48 KB	-rw-r--r--	2024-12-03 17:27
pycore_bytes_methods.h	3.3 KB	-rw-r--r--	2024-12-03 17:27
pycore_call.h	870 B	-rw-r--r--	2024-12-03 17:27
pycore_ceval.h	3.4 KB	-rw-r--r--	2024-12-03 17:27
pycore_code.h	696 B	-rw-r--r--	2024-12-03 17:27
pycore_compile.h	1.02 KB	-rw-r--r--	2024-12-03 17:27
pycore_condvar.h	2.74 KB	-rw-r--r--	2024-12-03 17:27
pycore_context.h	822 B	-rw-r--r--	2024-12-03 17:27
pycore_dtoa.h	646 B	-rw-r--r--	2024-12-03 17:27
pycore_fileutils.h	1.66 KB	-rw-r--r--	2024-12-03 17:27
pycore_format.h	480 B	-rw-r--r--	2024-12-03 17:27
pycore_gc.h	6.7 KB	-rw-r--r--	2024-12-03 17:27
pycore_getopt.h	490 B	-rw-r--r--	2024-12-03 17:27
pycore_gil.h	1.53 KB	-rw-r--r--	2024-12-03 17:27
pycore_hamt.h	3.61 KB	-rw-r--r--	2024-12-03 17:27
pycore_hashtable.h	4.1 KB	-rw-r--r--	2024-12-03 17:27
pycore_import.h	346 B	-rw-r--r--	2024-12-03 17:27
pycore_initconfig.h	5.49 KB	-rw-r--r--	2024-12-03 17:27
pycore_interp.h	9.07 KB	-rw-r--r--	2024-12-03 17:27
pycore_list.h	350 B	-rw-r--r--	2024-12-03 17:27
pycore_long.h	2.53 KB	-rw-r--r--	2024-12-03 17:27
pycore_moduleobject.h	1.02 KB	-rw-r--r--	2024-12-03 17:27
pycore_object.h	5.85 KB	-rw-r--r--	2024-12-03 17:27
pycore_parser.h	626 B	-rw-r--r--	2024-12-03 17:27
pycore_pathconfig.h	1.93 KB	-rw-r--r--	2024-12-03 17:27
pycore_pyarena.h	2.67 KB	-rw-r--r--	2024-12-03 17:27
pycore_pyerrors.h	2.26 KB	-rw-r--r--	2024-12-03 17:27
pycore_pyhash.h	206 B	-rw-r--r--	2024-12-03 17:27
pycore_pylifecycle.h	4.82 KB	-rw-r--r--	2024-12-03 17:27
pycore_pymem.h	3.14 KB	-rw-r--r--	2024-12-03 17:27
pycore_pystate.h	3.85 KB	-rw-r--r--	2024-12-03 17:27
pycore_runtime.h	4.79 KB	-rw-r--r--	2024-12-03 17:27
pycore_structseq.h	386 B	-rw-r--r--	2024-12-03 17:27
pycore_symtable.h	5.45 KB	-rw-r--r--	2024-12-03 17:27
pycore_sysmodule.h	548 B	-rw-r--r--	2024-12-03 17:27
pycore_traceback.h	2.9 KB	-rw-r--r--	2024-12-03 17:27
pycore_tuple.h	425 B	-rw-r--r--	2024-12-03 17:27
pycore_ucnhash.h	898 B	-rw-r--r--	2024-12-03 17:27
pycore_unionobject.h	629 B	-rw-r--r--	2024-12-03 17:27
pycore_warnings.h	633 B	-rw-r--r--	2024-12-03 17:27

Rename

#ifndef Py_INTERNAL_LONG_H
#define Py_INTERNAL_LONG_H
#ifdef __cplusplus
extern "C" {
#endif

#ifndef Py_BUILD_CORE
#  error "this header requires Py_BUILD_CORE define"
#endif

#include "pycore_interp.h"        // PyInterpreterState.small_ints
#include "pycore_pystate.h"       // _PyThreadState_GET()

/*
 * Default int base conversion size limitation: Denial of Service prevention.
 *
 * Chosen such that this isn't wildly slow on modern hardware and so that
 * everyone's existing deployed numpy test suite passes before
 * https://github.com/numpy/numpy/issues/22098 is widely available.
 *
 * $ python -m timeit -s 's = "1"*4300' 'int(s)'
 * 2000 loops, best of 5: 125 usec per loop
 * $ python -m timeit -s 's = "1"*4300; v = int(s)' 'str(v)'
 * 1000 loops, best of 5: 311 usec per loop
 * (zen2 cloud VM)
 *
 * 4300 decimal digits fits a ~14284 bit number.
 */
#define _PY_LONG_DEFAULT_MAX_STR_DIGITS 4300
/*
 * Threshold for max digits check.  For performance reasons int() and
 * int.__str__() don't checks values that are smaller than this
 * threshold.  Acts as a guaranteed minimum size limit for bignums that
 * applications can expect from CPython.
 *
 * % python -m timeit -s 's = "1"*640; v = int(s)' 'str(int(s))'
 * 20000 loops, best of 5: 12 usec per loop
 *
 * "640 digits should be enough for anyone." - gps
 * fits a ~2126 bit decimal number.
 */
#define _PY_LONG_MAX_STR_DIGITS_THRESHOLD 640

#if ((_PY_LONG_DEFAULT_MAX_STR_DIGITS != 0) && \
   (_PY_LONG_DEFAULT_MAX_STR_DIGITS < _PY_LONG_MAX_STR_DIGITS_THRESHOLD))
# error "_PY_LONG_DEFAULT_MAX_STR_DIGITS smaller than threshold."
#endif

// Don't call this function but _PyLong_GetZero() and _PyLong_GetOne()
static inline PyObject* __PyLong_GetSmallInt_internal(int value)
{
    PyInterpreterState *interp = _PyInterpreterState_GET();
    assert(-_PY_NSMALLNEGINTS <= value && value < _PY_NSMALLPOSINTS);
    size_t index = _PY_NSMALLNEGINTS + value;
    PyObject *obj = (PyObject*)interp->small_ints[index];
    // _PyLong_GetZero(), _PyLong_GetOne() and get_small_int() must not be
    // called before _PyLong_Init() nor after _PyLong_Fini().
    assert(obj != NULL);
    return obj;
}

// Return a borrowed reference to the zero singleton.
// The function cannot return NULL.
static inline PyObject* _PyLong_GetZero(void)
{ return __PyLong_GetSmallInt_internal(0); }

// Return a borrowed reference to the one singleton.
// The function cannot return NULL.
static inline PyObject* _PyLong_GetOne(void)
{ return __PyLong_GetSmallInt_internal(1); }

#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_LONG_H */