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Change long/long true division to return as many good bits as it can;

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e.g., (1L << 40000)/(1L << 40001) returns 0.5, not Inf or NaN or whatever.
This commit is contained in:
Tim Peters 2001-09-04 06:17:36 +00:00
parent 9c1d7fd5f2
commit e2a600099d
3 changed files with 78 additions and 2 deletions
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9
Objects/intobject.c
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@ -535,7 +535,14 @@ int_classic_div(PyIntObject *x, PyIntObject *y)
static PyObject *
int_true_divide(PyObject *v, PyObject *w)
{
return PyFloat_Type.tp_as_number->nb_true_divide(v, w);
/* If they aren't both ints, give someone else a chance. In
particular, this lets int/long get handled by longs, which
underflows to 0 gracefully if the long is too big to convert
to float. */
if (PyInt_Check(v) && PyInt_Check(w))
return PyFloat_Type.tp_as_number->nb_true_divide(v, w);
Py_INCREF(Py_NotImplemented);
return Py_NotImplemented;
}
static PyObject *