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Inline cmp_lt().

This commit is contained in:
Raymond Hettinger 2010-09-05 05:26:10 +00:00
parent 1784ff0249
commit db6b62e756
1 changed files with 11 additions and 15 deletions
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26
Modules/_heapqmodule.c
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@ -8,12 +8,6 @@ annotated by François Pinard, and converted to C by Raymond Hettinger.
#include "Python.h"
static int
cmp_lt(PyObject *x, PyObject *y)
{
return PyObject_RichCompareBool(x, y, Py_LT);
}
static int
_siftdown(PyListObject *heap, Py_ssize_t startpos, Py_ssize_t pos)
{
@ -34,7 +28,7 @@ _siftdown(PyListObject *heap, Py_ssize_t startpos, Py_ssize_t pos)
while (pos > startpos){
parentpos = (pos - 1) >> 1;
parent = PyList_GET_ITEM(heap, parentpos);
cmp = cmp_lt(newitem, parent);
cmp = PyObject_RichCompareBool(newitem, parent, Py_LT);
if (cmp == -1) {
Py_DECREF(newitem);
return -1;
@ -74,9 +68,10 @@ _siftup(PyListObject *heap, Py_ssize_t pos)
/* Set childpos to index of smaller child. */
rightpos = childpos + 1;
if (rightpos < endpos) {
cmp = cmp_lt(
cmp = PyObject_RichCompareBool(
PyList_GET_ITEM(heap, childpos),
PyList_GET_ITEM(heap, rightpos));
PyList_GET_ITEM(heap, rightpos),
Py_LT);
if (cmp == -1) {
Py_DECREF(newitem);
return -1;
@ -219,7 +214,7 @@ heappushpop(PyObject *self, PyObject *args)
return item;
}
cmp = cmp_lt(PyList_GET_ITEM(heap, 0), item);
cmp = PyObject_RichCompareBool(PyList_GET_ITEM(heap, 0), item, Py_LT);
if (cmp == -1)
return NULL;
if (cmp == 0) {
@ -318,7 +313,7 @@ nlargest(PyObject *self, PyObject *args)
else
goto sortit;
}
cmp = cmp_lt(sol, elem);
cmp = PyObject_RichCompareBool(sol, elem, Py_LT);
if (cmp == -1) {
Py_DECREF(elem);
goto fail;
@ -373,7 +368,7 @@ _siftdownmax(PyListObject *heap, Py_ssize_t startpos, Py_ssize_t pos)
while (pos > startpos){
parentpos = (pos - 1) >> 1;
parent = PyList_GET_ITEM(heap, parentpos);
cmp = cmp_lt(parent, newitem);
cmp = PyObject_RichCompareBool(parent, newitem, Py_LT);
if (cmp == -1) {
Py_DECREF(newitem);
return -1;
@ -413,9 +408,10 @@ _siftupmax(PyListObject *heap, Py_ssize_t pos)
/* Set childpos to index of smaller child. */
rightpos = childpos + 1;
if (rightpos < endpos) {
cmp = cmp_lt(
cmp = PyObject_RichCompareBool(
PyList_GET_ITEM(heap, rightpos),
PyList_GET_ITEM(heap, childpos));
PyList_GET_ITEM(heap, childpos),
Py_LT);
if (cmp == -1) {
Py_DECREF(newitem);
return -1;
@ -488,7 +484,7 @@ nsmallest(PyObject *self, PyObject *args)
else
goto sortit;
}
cmp = cmp_lt(elem, los);
cmp = PyObject_RichCompareBool(elem, los, Py_LT);
if (cmp == -1) {
Py_DECREF(elem);
goto fail;