bpo-41873: Add vectorcall for float() (GH-22432)
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@ -64,6 +64,9 @@ class GeneralFloatCases(unittest.TestCase):
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# See bpo-34087
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self.assertRaises(ValueError, float, '\u3053\u3093\u306b\u3061\u306f')
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def test_noargs(self):
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self.assertEqual(float(), 0.0)
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def test_underscores(self):
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for lit in VALID_UNDERSCORE_LITERALS:
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if not any(ch in lit for ch in 'jJxXoObB'):
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@ -0,0 +1 @@
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Calls to ``float()`` are now faster due to the ``vectorcall`` calling convention. Patch by Dennis Sweeney.
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@ -1649,6 +1649,24 @@ float_subtype_new(PyTypeObject *type, PyObject *x)
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return newobj;
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}
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static PyObject *
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float_vectorcall(PyObject *type, PyObject * const*args,
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size_t nargsf, PyObject *kwnames)
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{
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if (!_PyArg_NoKwnames("float", kwnames)) {
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return NULL;
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}
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Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
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if (!_PyArg_CheckPositional("float", nargs, 0, 1)) {
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return NULL;
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}
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PyObject *x = nargs >= 1 ? args[0] : _PyLong_Zero;
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return float_new_impl((PyTypeObject *)type, x);
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}
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/*[clinic input]
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float.__getnewargs__
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[clinic start generated code]*/
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@ -1937,6 +1955,7 @@ PyTypeObject PyFloat_Type = {
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0, /* tp_init */
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0, /* tp_alloc */
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float_new, /* tp_new */
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.tp_vectorcall = (vectorcallfunc)float_vectorcall,
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};
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int
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