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Minor code cleanups.

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This commit is contained in:
Raymond Hettinger 2015-05-11 19:25:32 -07:00
parent 21ee10bf04
commit 99bf9a2567
1 changed files with 5 additions and 5 deletions
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10
Modules/_heapqmodule.c
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@ -138,7 +138,7 @@ heappop_internal(PyObject *heap, int siftup_func(PyListObject *, Py_ssize_t))
lastelt = PyList_GET_ITEM(heap, n-1) ;
Py_INCREF(lastelt);
if (PyList_SetSlice(heap, n-1, n, NULL) < 0) {
if (PyList_SetSlice(heap, n-1, n, NULL)) {
Py_DECREF(lastelt);
return NULL;
}
@ -177,7 +177,7 @@ heapreplace_internal(PyObject *args, int siftup_func(PyListObject *, Py_ssize_t)
return NULL;
}
if (PyList_GET_SIZE(heap) < 1) {
if (PyList_GET_SIZE(heap) == 0) {
PyErr_SetString(PyExc_IndexError, "index out of range");
return NULL;
}
@ -222,7 +222,7 @@ heappushpop(PyObject *self, PyObject *args)
return NULL;
}
if (PyList_GET_SIZE(heap) < 1) {
if (PyList_GET_SIZE(heap) == 0) {
Py_INCREF(item);
return item;
}
@ -340,8 +340,8 @@ heapify_internal(PyObject *heap, int siftup_func(PyListObject *, Py_ssize_t))
n is odd = 2*j+1, this is (2*j+1-1)/2 = j so j-1 is the largest,
and that's again n//2-1.
*/
for (i=n/2-1 ; i>=0 ; i--)
if(siftup_func((PyListObject *)heap, i))
for (i = n/2 - 1 ; i >= 0 ; i--)
if (siftup_func((PyListObject *)heap, i))
return NULL;
Py_RETURN_NONE;
}