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Add additional coercion support for "self subtypes" to int, long,

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float (compare the recent checkin to complex).  Added tests for these.
This commit is contained in:
Guido van Rossum 2001-09-19 01:25:16 +00:00
parent d5d8e4a436
commit 1952e388ca
4 changed files with 50 additions and 1 deletions
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5
Objects/floatobject.c
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@ -590,6 +590,11 @@ float_coerce(PyObject **pv, PyObject **pw)
Py_INCREF(*pv);
return 0;
}
else if (PyFloat_Check(*pw)) {
Py_INCREF(*pv);
Py_INCREF(*pw);
return 0;
}
return 1; /* Can't do it */
}

13
Objects/intobject.c
View file

@ -782,6 +782,17 @@ int_or(PyIntObject *v, PyIntObject *w)
return PyInt_FromLong(a | b);
}
static int
int_coerce(PyObject **pv, PyObject **pw)
{
if (PyInt_Check(*pw)) {
Py_INCREF(*pv);
Py_INCREF(*pw);
return 0;
}
return 1; /* Can't do it */
}
static PyObject *
int_int(PyIntObject *v)
{
@ -904,7 +915,7 @@ static PyNumberMethods int_as_number = {
(binaryfunc)int_and, /*nb_and*/
(binaryfunc)int_xor, /*nb_xor*/
(binaryfunc)int_or, /*nb_or*/
0, /*nb_coerce*/
int_coerce, /*nb_coerce*/
(unaryfunc)int_int, /*nb_int*/
(unaryfunc)int_long, /*nb_long*/
(unaryfunc)int_float, /*nb_float*/

5
Objects/longobject.c
View file

@ -2134,6 +2134,11 @@ long_coerce(PyObject **pv, PyObject **pw)
Py_INCREF(*pv);
return 0;
}
else if (PyLong_Check(*pw)) {
Py_INCREF(*pv);
Py_INCREF(*pw);
return 0;
}
return 1; /* Can't do it */
}