Changes to long and float by Jeffrey Jasskin to conform to PEP 3141.
In particular, add trivial implementations of .real, .imag and .conjugate()
to both, and add .numerator and .denominator to long.
Also some small optimizations (e.g. remove long_pos in favor of long_long).
diff --git a/Objects/longobject.c b/Objects/longobject.c
index 930d07e..3659225 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -1985,7 +1985,7 @@
/* forward */
static PyLongObject *x_divrem
(PyLongObject *, PyLongObject *, PyLongObject **);
-static PyObject *long_pos(PyLongObject *);
+static PyObject *long_long(PyObject *v);
static int long_divrem(PyLongObject *, PyLongObject *,
PyLongObject **, PyLongObject **);
@@ -3181,17 +3181,6 @@
}
static PyObject *
-long_pos(PyLongObject *v)
-{
- if (PyLong_CheckExact(v)) {
- Py_INCREF(v);
- return (PyObject *)v;
- }
- else
- return _PyLong_Copy(v);
-}
-
-static PyObject *
long_neg(PyLongObject *v)
{
PyLongObject *z;
@@ -3209,7 +3198,7 @@
if (Py_Size(v) < 0)
return long_neg(v);
else
- return long_pos(v);
+ return long_long((PyObject *)v);
}
static int
@@ -3496,12 +3485,6 @@
}
static PyObject *
-long_int(PyObject *v)
-{
- return long_long(v);
-}
-
-static PyObject *
long_float(PyObject *v)
{
double result;
@@ -3607,11 +3590,38 @@
return Py_BuildValue("(N)", _PyLong_Copy(v));
}
+static PyObject *
+long_getN(PyLongObject *v, void *context) {
+ return PyLong_FromLong((intptr_t)context);
+}
+
static PyMethodDef long_methods[] = {
+ {"conjugate", (PyCFunction)long_long, METH_NOARGS,
+ "Returns self, the complex conjugate of any int."},
{"__getnewargs__", (PyCFunction)long_getnewargs, METH_NOARGS},
{NULL, NULL} /* sentinel */
};
+static PyGetSetDef long_getset[] = {
+ {"real",
+ (getter)long_long, (setter)NULL,
+ "the real part of a complex number",
+ NULL},
+ {"imag",
+ (getter)long_getN, (setter)NULL,
+ "the imaginary part of a complex number",
+ (void*)0},
+ {"numerator",
+ (getter)long_long, (setter)NULL,
+ "the numerator of a rational number in lowest terms",
+ NULL},
+ {"denominator",
+ (getter)long_getN, (setter)NULL,
+ "the denominator of a rational number in lowest terms",
+ (void*)1},
+ {NULL} /* Sentinel */
+};
+
PyDoc_STRVAR(long_doc,
"int(x[, base]) -> integer\n\
\n\
@@ -3629,7 +3639,7 @@
long_divmod, /*nb_divmod*/
long_pow, /*nb_power*/
(unaryfunc) long_neg, /*nb_negative*/
- (unaryfunc) long_pos, /*tp_positive*/
+ (unaryfunc) long_long, /*tp_positive*/
(unaryfunc) long_abs, /*tp_absolute*/
(inquiry) long_bool, /*tp_bool*/
(unaryfunc) long_invert, /*nb_invert*/
@@ -3639,7 +3649,7 @@
long_xor, /*nb_xor*/
long_or, /*nb_or*/
0, /*nb_coerce*/
- long_int, /*nb_int*/
+ long_long, /*nb_int*/
long_long, /*nb_long*/
long_float, /*nb_float*/
0, /*nb_oct*/ /* not used */
@@ -3694,7 +3704,7 @@
0, /* tp_iternext */
long_methods, /* tp_methods */
0, /* tp_members */
- 0, /* tp_getset */
+ long_getset, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */