[issue4258] Use 30-bit digits instead of 15-bit digits for Python integers.

[STINNER Victor]

STINNER Victor <[EMAIL PROTECTED]> added the comment:

PyLong_FromLong() doesn't go into the 1 digit special case for 
negative number. You should use:
        /* Fast path for single-digits ints */
        if (!(abs_ival>>PyLong_SHIFT)) {
                v = _PyLong_New(1);
                if (v) {
                        Py_SIZE(v) = sign;
                        v->ob_digit[0] = abs_ival;
                }
                return (PyObject*)v;
        }

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Python tracker <[EMAIL PROTECTED]>
<http://bugs.python.org/issue4258>
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