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Issue 19933: Provide default argument for ndigits in round. Patch by Vajrasky Kok.

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This commit is contained in:
Steve Dower 2015-04-15 16:10:59 -04:00
parent 807b80d4ec
commit cb39d1f466
4 changed files with 16 additions and 4 deletions
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5
Objects/floatobject.c
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@ -986,8 +986,9 @@ float_round(PyObject *v, PyObject *args)
x = PyFloat_AsDouble(v);
if (!PyArg_ParseTuple(args, "|O", &o_ndigits))
return NULL;
if (o_ndigits == NULL) {
/* single-argument round: round to nearest integer */
if (o_ndigits == NULL || o_ndigits == Py_None) {
/* single-argument round or with None ndigits:
* round to nearest integer */
rounded = round(x);
if (fabs(x-rounded) == 0.5)
/* halfway case: round to even */