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Name	Size	Permission
mimalloc	[ DIR ]	drwxr-xr-x
pycore_abstract.h	1.87 KB	-rw-r--r--
pycore_asdl.h	2.96 KB	-rw-r--r--
pycore_ast.h	30.78 KB	-rw-r--r--
pycore_ast_state.h	6.62 KB	-rw-r--r--
pycore_atexit.h	1.4 KB	-rw-r--r--
pycore_backoff.h	3.81 KB	-rw-r--r--
pycore_bitutils.h	5.88 KB	-rw-r--r--
pycore_blocks_output_buffer.h	8.57 KB	-rw-r--r--
pycore_brc.h	2.05 KB	-rw-r--r--
pycore_bytes_methods.h	3.84 KB	-rw-r--r--
pycore_bytesobject.h	4.98 KB	-rw-r--r--
pycore_call.h	5.99 KB	-rw-r--r--
pycore_capsule.h	397 B	-rw-r--r--
pycore_cell.h	1.03 KB	-rw-r--r--
pycore_ceval.h	11.1 KB	-rw-r--r--
pycore_ceval_state.h	3.83 KB	-rw-r--r--
pycore_code.h	19.71 KB	-rw-r--r--
pycore_codecs.h	2.41 KB	-rw-r--r--
pycore_compile.h	3.66 KB	-rw-r--r--
pycore_complexobject.h	588 B	-rw-r--r--
pycore_condvar.h	2.64 KB	-rw-r--r--
pycore_context.h	1.15 KB	-rw-r--r--
pycore_critical_section.h	7.78 KB	-rw-r--r--
pycore_crossinterp.h	11.84 KB	-rw-r--r--
pycore_descrobject.h	543 B	-rw-r--r--
pycore_dict.h	11.98 KB	-rw-r--r--
pycore_dict_state.h	732 B	-rw-r--r--
pycore_dtoa.h	1.69 KB	-rw-r--r--
pycore_emscripten_signal.h	685 B	-rw-r--r--
pycore_emscripten_trampoline.h	3.11 KB	-rw-r--r--
pycore_exceptions.h	900 B	-rw-r--r--
pycore_faulthandler.h	2.19 KB	-rw-r--r--
pycore_fileutils.h	9.25 KB	-rw-r--r--
pycore_fileutils_windows.h	2.65 KB	-rw-r--r--
pycore_floatobject.h	1.46 KB	-rw-r--r--
pycore_flowgraph.h	1.45 KB	-rw-r--r--
pycore_format.h	480 B	-rw-r--r--
pycore_frame.h	12.08 KB	-rw-r--r--
pycore_freelist.h	4.7 KB	-rw-r--r--
pycore_function.h	1.5 KB	-rw-r--r--
pycore_gc.h	12.66 KB	-rw-r--r--
pycore_genobject.h	859 B	-rw-r--r--
pycore_getopt.h	490 B	-rw-r--r--
pycore_gil.h	2.14 KB	-rw-r--r--
pycore_global_objects.h	3.02 KB	-rw-r--r--
pycore_global_objects_fini_gen...	115.04 KB	-rw-r--r--
pycore_global_strings.h	26.08 KB	-rw-r--r--
pycore_hamt.h	3.65 KB	-rw-r--r--
pycore_hashtable.h	4.26 KB	-rw-r--r--
pycore_identifier.h	515 B	-rw-r--r--
pycore_import.h	7.55 KB	-rw-r--r--
pycore_importdl.h	3.96 KB	-rw-r--r--
pycore_initconfig.h	6.23 KB	-rw-r--r--
pycore_instruction_sequence.h	2.11 KB	-rw-r--r--
pycore_instruments.h	2.28 KB	-rw-r--r--
pycore_interp.h	14.72 KB	-rw-r--r--
pycore_intrinsics.h	1.71 KB	-rw-r--r--
pycore_jit.h	527 B	-rw-r--r--
pycore_list.h	1.82 KB	-rw-r--r--
pycore_llist.h	2.36 KB	-rw-r--r--
pycore_lock.h	8.34 KB	-rw-r--r--
pycore_long.h	9.73 KB	-rw-r--r--
pycore_memoryobject.h	427 B	-rw-r--r--
pycore_mimalloc.h	1.6 KB	-rw-r--r--
pycore_modsupport.h	3.27 KB	-rw-r--r--
pycore_moduleobject.h	1.54 KB	-rw-r--r--
pycore_namespace.h	435 B	-rw-r--r--
pycore_object.h	27.28 KB	-rw-r--r--
pycore_object_alloc.h	2.13 KB	-rw-r--r--
pycore_object_stack.h	2.33 KB	-rw-r--r--
pycore_object_state.h	942 B	-rw-r--r--
pycore_obmalloc.h	26.78 KB	-rw-r--r--
pycore_obmalloc_init.h	1.89 KB	-rw-r--r--
pycore_opcode_metadata.h	82.88 KB	-rw-r--r--
pycore_opcode_utils.h	2.07 KB	-rw-r--r--
pycore_optimizer.h	8.11 KB	-rw-r--r--
pycore_parking_lot.h	3.27 KB	-rw-r--r--
pycore_parser.h	2.04 KB	-rw-r--r--
pycore_pathconfig.h	658 B	-rw-r--r--
pycore_pyarena.h	2.79 KB	-rw-r--r--
pycore_pyatomic_ft_wrappers.h	7.87 KB	-rw-r--r--
pycore_pybuffer.h	510 B	-rw-r--r--
pycore_pyerrors.h	4.84 KB	-rw-r--r--
pycore_pyhash.h	2.75 KB	-rw-r--r--
pycore_pylifecycle.h	4.36 KB	-rw-r--r--
pycore_pymath.h	8.4 KB	-rw-r--r--
pycore_pymem.h	5.24 KB	-rw-r--r--
pycore_pymem_init.h	3.44 KB	-rw-r--r--
pycore_pystate.h	9.73 KB	-rw-r--r--
pycore_pystats.h	420 B	-rw-r--r--
pycore_pythonrun.h	758 B	-rw-r--r--
pycore_pythread.h	5.95 KB	-rw-r--r--
pycore_qsbr.h	5.39 KB	-rw-r--r--
pycore_range.h	346 B	-rw-r--r--
pycore_runtime.h	12.86 KB	-rw-r--r--
pycore_runtime_init.h	12.74 KB	-rw-r--r--
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pycore_semaphore.h	1.69 KB	-rw-r--r--
pycore_setobject.h	951 B	-rw-r--r--
pycore_signal.h	2.86 KB	-rw-r--r--
pycore_sliceobject.h	369 B	-rw-r--r--
pycore_stackref.h	5.06 KB	-rw-r--r--
pycore_strhex.h	1013 B	-rw-r--r--
pycore_structseq.h	963 B	-rw-r--r--
pycore_symtable.h	8.47 KB	-rw-r--r--
pycore_sysmodule.h	1.15 KB	-rw-r--r--
pycore_time.h	11.52 KB	-rw-r--r--
pycore_token.h	2.93 KB	-rw-r--r--
pycore_traceback.h	3.54 KB	-rw-r--r--
pycore_tracemalloc.h	4.43 KB	-rw-r--r--
pycore_tstate.h	1.32 KB	-rw-r--r--
pycore_tuple.h	820 B	-rw-r--r--
pycore_typeobject.h	8.67 KB	-rw-r--r--
pycore_typevarobject.h	924 B	-rw-r--r--
pycore_ucnhash.h	958 B	-rw-r--r--
pycore_unicodeobject.h	12.96 KB	-rw-r--r--
pycore_unicodeobject_generated...	129.04 KB	-rw-r--r--
pycore_unionobject.h	742 B	-rw-r--r--
pycore_uop_ids.h	10.06 KB	-rw-r--r--
pycore_uop_metadata.h	38.72 KB	-rw-r--r--
pycore_warnings.h	840 B	-rw-r--r--
pycore_weakref.h	3.8 KB	-rw-r--r--

Code Editor : pycore_long.h

#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_bytesobject.h"   // _PyBytesWriter
#include "pycore_global_objects.h"// _PY_NSMALLNEGINTS
#include "pycore_runtime.h"       // _PyRuntime

/*
 * 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

/* runtime lifecycle */

extern PyStatus _PyLong_InitTypes(PyInterpreterState *);
extern void _PyLong_FiniTypes(PyInterpreterState *interp);

/* other API */

#define _PyLong_SMALL_INTS _Py_SINGLETON(small_ints)

// _PyLong_GetZero() and _PyLong_GetOne() must always be available
// _PyLong_FromUnsignedChar must always be available
#if _PY_NSMALLPOSINTS < 257
#  error "_PY_NSMALLPOSINTS must be greater than or equal to 257"
#endif

// Return a reference to the immortal zero singleton.
// The function cannot return NULL.
static inline PyObject* _PyLong_GetZero(void)
{ return (PyObject *)&_PyLong_SMALL_INTS[_PY_NSMALLNEGINTS]; }

// Return a reference to the immortal one singleton.
// The function cannot return NULL.
static inline PyObject* _PyLong_GetOne(void)
{ return (PyObject *)&_PyLong_SMALL_INTS[_PY_NSMALLNEGINTS+1]; }

static inline PyObject* _PyLong_FromUnsignedChar(unsigned char i)
{
    return (PyObject *)&_PyLong_SMALL_INTS[_PY_NSMALLNEGINTS+i];
}

// _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.
//
// Export for 'math' shared extension
PyAPI_DATA(double) _PyLong_Frexp(PyLongObject *a, Py_ssize_t *e);

extern PyObject* _PyLong_FromBytes(const char *, Py_ssize_t, int);

// _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.
//
// Export for '_datetime' shared extension.
PyAPI_DATA(PyObject*) _PyLong_DivmodNear(PyObject *, 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.
// Export for '_tkinter' shared extension.
PyAPI_DATA(PyObject*) _PyLong_Format(PyObject *obj, int base);

// Export for 'math' shared extension
PyAPI_DATA(PyObject*) _PyLong_Rshift(PyObject *, size_t);

// Export for 'math' shared extension
PyAPI_DATA(PyObject*) _PyLong_Lshift(PyObject *, size_t);

PyAPI_FUNC(PyObject*) _PyLong_Add(PyLongObject *left, PyLongObject *right);
PyAPI_FUNC(PyObject*) _PyLong_Multiply(PyLongObject *left, PyLongObject *right);
PyAPI_FUNC(PyObject*) _PyLong_Subtract(PyLongObject *left, PyLongObject *right);

// Export for 'binascii' shared extension.
PyAPI_DATA(unsigned char) _PyLong_DigitValue[256];

/* Format the object based on the format_spec, as defined in PEP 3101
   (Advanced String Formatting). */
extern int _PyLong_FormatAdvancedWriter(
    _PyUnicodeWriter *writer,
    PyObject *obj,
    PyObject *format_spec,
    Py_ssize_t start,
    Py_ssize_t end);

extern int _PyLong_FormatWriter(
    _PyUnicodeWriter *writer,
    PyObject *obj,
    int base,
    int alternate);

extern char* _PyLong_FormatBytesWriter(
    _PyBytesWriter *writer,
    char *str,
    PyObject *obj,
    int base,
    int alternate);

// Argument converters used by Argument Clinic

// Export for 'select' shared extension (Argument Clinic code)
PyAPI_FUNC(int) _PyLong_UnsignedShort_Converter(PyObject *, void *);

// Export for '_testclinic' shared extension (Argument Clinic code)
PyAPI_FUNC(int) _PyLong_UnsignedInt_Converter(PyObject *, void *);

// Export for '_blake2' shared extension (Argument Clinic code)
PyAPI_FUNC(int) _PyLong_UnsignedLong_Converter(PyObject *, void *);

// Export for '_blake2' shared extension (Argument Clinic code)
PyAPI_FUNC(int) _PyLong_UnsignedLongLong_Converter(PyObject *, void *);

// Export for '_testclinic' shared extension (Argument Clinic code)
PyAPI_FUNC(int) _PyLong_Size_t_Converter(PyObject *, void *);

/* Long value tag bits:
 * 0-1: Sign bits value = (1-sign), ie. negative=2, positive=0, zero=1.
 * 2: Reserved for immortality bit
 * 3+ Unsigned digit count
 */
#define SIGN_MASK 3
#define SIGN_ZERO 1
#define SIGN_NEGATIVE 2
#define NON_SIZE_BITS 3

/* The functions _PyLong_IsCompact and _PyLong_CompactValue are defined
 * in Include/cpython/longobject.h, since they need to be inline.
 *
 * "Compact" values have at least one bit to spare,
 * so that addition and subtraction can be performed on the values
 * without risk of overflow.
 *
 * The inline functions need tag bits.
 * For readability, rather than do `#define SIGN_MASK _PyLong_SIGN_MASK`
 * we define them to the numbers in both places and then assert that
 * they're the same.
 */
#if SIGN_MASK != _PyLong_SIGN_MASK
#  error "SIGN_MASK does not match _PyLong_SIGN_MASK"
#endif
#if NON_SIZE_BITS != _PyLong_NON_SIZE_BITS
#  error "NON_SIZE_BITS does not match _PyLong_NON_SIZE_BITS"
#endif

/* All *compact" values are guaranteed to fit into
 * a Py_ssize_t with at least one bit to spare.
 * In other words, for 64 bit machines, compact
 * will be signed 63 (or fewer) bit values
 */

/* Return 1 if the argument is compact int */
static inline int
_PyLong_IsNonNegativeCompact(const PyLongObject* op) {
    assert(PyLong_Check(op));
    return op->long_value.lv_tag <= (1 << NON_SIZE_BITS);
}

static inline int
_PyLong_BothAreCompact(const PyLongObject* a, const PyLongObject* b) {
    assert(PyLong_Check(a));
    assert(PyLong_Check(b));
    return (a->long_value.lv_tag | b->long_value.lv_tag) < (2 << NON_SIZE_BITS);
}

static inline bool
_PyLong_IsZero(const PyLongObject *op)
{
    return (op->long_value.lv_tag & SIGN_MASK) == SIGN_ZERO;
}

static inline bool
_PyLong_IsNegative(const PyLongObject *op)
{
    return (op->long_value.lv_tag & SIGN_MASK) == SIGN_NEGATIVE;
}

static inline bool
_PyLong_IsPositive(const PyLongObject *op)
{
    return (op->long_value.lv_tag & SIGN_MASK) == 0;
}

static inline Py_ssize_t
_PyLong_DigitCount(const PyLongObject *op)
{
    assert(PyLong_Check(op));
    return op->long_value.lv_tag >> NON_SIZE_BITS;
}

/* Equivalent to _PyLong_DigitCount(op) * _PyLong_NonCompactSign(op) */
static inline Py_ssize_t
_PyLong_SignedDigitCount(const PyLongObject *op)
{
    assert(PyLong_Check(op));
    Py_ssize_t sign = 1 - (op->long_value.lv_tag & SIGN_MASK);
    return sign * (Py_ssize_t)(op->long_value.lv_tag >> NON_SIZE_BITS);
}

static inline int
_PyLong_CompactSign(const PyLongObject *op)
{
    assert(PyLong_Check(op));
    assert(_PyLong_IsCompact(op));
    return 1 - (op->long_value.lv_tag & SIGN_MASK);
}

static inline int
_PyLong_NonCompactSign(const PyLongObject *op)
{
    assert(PyLong_Check(op));
    assert(!_PyLong_IsCompact(op));
    return 1 - (op->long_value.lv_tag & SIGN_MASK);
}

/* Do a and b have the same sign? */
static inline int
_PyLong_SameSign(const PyLongObject *a, const PyLongObject *b)
{
    return (a->long_value.lv_tag & SIGN_MASK) == (b->long_value.lv_tag & SIGN_MASK);
}

#define TAG_FROM_SIGN_AND_SIZE(sign, size) ((1 - (sign)) | ((size) << NON_SIZE_BITS))

static inline void
_PyLong_SetSignAndDigitCount(PyLongObject *op, int sign, Py_ssize_t size)
{
    assert(size >= 0);
    assert(-1 <= sign && sign <= 1);
    assert(sign != 0 || size == 0);
    op->long_value.lv_tag = TAG_FROM_SIGN_AND_SIZE(sign, (size_t)size);
}

static inline void
_PyLong_SetDigitCount(PyLongObject *op, Py_ssize_t size)
{
    assert(size >= 0);
    op->long_value.lv_tag = (((size_t)size) << NON_SIZE_BITS) | (op->long_value.lv_tag & SIGN_MASK);
}

#define NON_SIZE_MASK ~((1 << NON_SIZE_BITS) - 1)

static inline void
_PyLong_FlipSign(PyLongObject *op) {
    unsigned int flipped_sign = 2 - (op->long_value.lv_tag & SIGN_MASK);
    op->long_value.lv_tag &= NON_SIZE_MASK;
    op->long_value.lv_tag |= flipped_sign;
}

#define _PyLong_DIGIT_INIT(val) \
    { \
        .ob_base = _PyObject_HEAD_INIT(&PyLong_Type), \
        .long_value  = { \
            .lv_tag = TAG_FROM_SIGN_AND_SIZE( \
                (val) == 0 ? 0 : ((val) < 0 ? -1 : 1), \
                (val) == 0 ? 0 : 1), \
            { ((val) >= 0 ? (val) : -(val)) }, \
        } \
    }

#define _PyLong_FALSE_TAG TAG_FROM_SIGN_AND_SIZE(0, 0)
#define _PyLong_TRUE_TAG TAG_FROM_SIGN_AND_SIZE(1, 1)

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

${this.title}

Code Editor : pycore_long.h