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#3777: long(4.2) returned an int, and broke backward compatibility.

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the __long__ slot is allowed to return either int or long, but the behaviour of
float objects should not change between 2.5 and 2.6.

Reviewed by Benjamin Peterson
This commit is contained in:
Amaury Forgeot d'Arc 2008-09-09 07:24:30 +00:00
parent 672237dc6c
commit d3ffb8974f
3 changed files with 17 additions and 1 deletions
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9
Objects/floatobject.c
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@ -1104,6 +1104,13 @@ float_trunc(PyObject *v)
return PyLong_FromDouble(wholepart);
}
static PyObject *
float_long(PyObject *v)
{
double x = PyFloat_AsDouble(v);
return PyLong_FromDouble(x);
}
static PyObject *
float_float(PyObject *v)
{
@ -1897,7 +1904,7 @@ static PyNumberMethods float_as_number = {
0, /*nb_or*/
float_coerce, /*nb_coerce*/
float_trunc, /*nb_int*/
float_trunc, /*nb_long*/
float_long, /*nb_long*/
float_float, /*nb_float*/
0, /* nb_oct */
0, /* nb_hex */