mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-09-27 02:39:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 13

On long to the negative long power, let float handle it instead of

Browse source 
raising an error.  This was one of the two issues that the VPython
folks were particularly problematic for their students.  (The other
one was integer division...)  This implements (my) SF patch #440487.
This commit is contained in:
Guido van Rossum 2001-07-12 11:21:17 +00:00
parent b82fedc7d8
commit 0ec9abaa2b
1 changed files with 7 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

15
Objects/longobject.c
View file

@ -1543,14 +1543,13 @@ long_pow(PyObject *v, PyObject *w, PyObject *x)
size_b = b->ob_size; size_b = b->ob_size;
if (size_b < 0) { if (size_b < 0) {
if (a->ob_size) /* Return a float. This works because we know that
PyErr_SetString(PyExc_ValueError, this calls float_pow() which converts its
"long integer to a negative power"); arguments to double. */
else Py_DECREF(a);
PyErr_SetString(PyExc_ZeroDivisionError, Py_DECREF(b);
"zero to a negative power"); Py_DECREF(c);
z = NULL; return PyFloat_Type.tp_as_number->nb_power(v, w, x);
goto error;
} }
z = (PyLongObject *)PyLong_FromLong(1L); z = (PyLongObject *)PyLong_FromLong(1L);
for (i = 0; i < size_b; ++i) { for (i = 0; i < size_b; ++i) {