diff options
Diffstat (limited to 'Objects/longobject.c')
| -rw-r--r-- | Objects/longobject.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/Objects/longobject.c b/Objects/longobject.c index 294308e3e1..f056797046 100644 --- a/Objects/longobject.c +++ b/Objects/longobject.c @@ -3206,7 +3206,7 @@ x_sub(PyLongObject *a, PyLongObject *b) if (sign < 0) { Py_SIZE(z) = -Py_SIZE(z); } - return long_normalize(z); + return maybe_small_long(long_normalize(z)); } static PyObject * @@ -3254,13 +3254,15 @@ long_sub(PyLongObject *a, PyLongObject *b) return PyLong_FromLong(MEDIUM_VALUE(a) - MEDIUM_VALUE(b)); } if (Py_SIZE(a) < 0) { - if (Py_SIZE(b) < 0) - z = x_sub(a, b); - else + if (Py_SIZE(b) < 0) { + z = x_sub(b, a); + } + else { z = x_add(a, b); - if (z != NULL) { - assert(Py_SIZE(z) == 0 || Py_REFCNT(z) == 1); - Py_SIZE(z) = -(Py_SIZE(z)); + if (z != NULL) { + assert(Py_SIZE(z) == 0 || Py_REFCNT(z) == 1); + Py_SIZE(z) = -(Py_SIZE(z)); + } } } else { |