diff options
| -rw-r--r-- | Cython/Utility/Builtins.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Cython/Utility/Builtins.c b/Cython/Utility/Builtins.c index 5cc786c4b..b77f95105 100644 --- a/Cython/Utility/Builtins.c +++ b/Cython/Utility/Builtins.c @@ -245,16 +245,27 @@ static PyObject *__Pyx_PyLong_AbsNeg(PyObject *num);/*proto*/ #if CYTHON_USE_PYLONG_INTERNALS static PyObject *__Pyx_PyLong_AbsNeg(PyObject *n) { +#if PY_VERSION_HEX >= 0x030C00A7 + if (likely(__Pyx_PyLong_IsCompact(n))) { + return PyLong_FromSize_t(__Pyx_PyLong_CompactValueUnsigned(n)); + } +#else if (likely(Py_SIZE(n) == -1)) { // digits are unsigned - return PyLong_FromLong(__Pyx_PyLong_Digits(n)[0]); + return PyLong_FromUnsignedLong(__Pyx_PyLong_Digits(n)[0]); } +#endif #if CYTHON_COMPILING_IN_CPYTHON { PyObject *copy = _PyLong_Copy((PyLongObject*)n); if (likely(copy)) { + #if PY_VERSION_HEX >= 0x030C00A7 + // clear the sign bits to set the sign from SIGN_NEGATIVE (2) to positive (0) + ((PyLongObject*)copy)->long_value.lv_tag = ((PyLongObject*)copy)->long_value.lv_tag & ~3; + #else // negate the size to swap the sign __Pyx_SET_SIZE(copy, -Py_SIZE(copy)); + #endif } return copy; } |