Mercurial > cpython-lru_cache-weakref
diff Objects/floatobject.c @ 47822:3ada46f2321d legacy-trunk
Revert 64424, 64438, and 64439.
| author | Raymond Hettinger <python@rcn.com> |
|---|---|
| date | Tue, 24 Jun 2008 22:46:07 +0000 |
| parents | a067dc0438d5 |
| children | 4bf84035cb5f |
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--- a/Objects/floatobject.c Tue Jun 24 15:58:53 2008 +0000 +++ b/Objects/floatobject.c Tue Jun 24 22:46:07 2008 +0000 @@ -405,11 +405,11 @@ obj is not of float, int or long type, Py_NotImplemented is incref'ed, stored in obj, and returned from the function invoking this macro. */ -#define CONVERT_TO_DOUBLE(obj, dbl) \ - if (PyFloat_Check(obj)) \ - dbl = PyFloat_AS_DOUBLE(obj); \ - else if (convert_to_double((PyObject **)&(obj), &(dbl)) < 0) \ - return (PyObject *)(obj); +#define CONVERT_TO_DOUBLE(obj, dbl) \ + if (PyFloat_Check(obj)) \ + dbl = PyFloat_AS_DOUBLE(obj); \ + else if (convert_to_double(&(obj), &(dbl)) < 0) \ + return obj; static int convert_to_double(PyObject **v, double *dbl) @@ -1204,62 +1204,6 @@ ">>> (-.25).as_integer_ratio()\n" "(-1, 4)"); -static PyObject * -_float_to_base(PyFloatObject *v, unaryfunc int_to_base) -{ - PyObject *mant, *conv, *result; - double x, fr; - int i, exp, n; - char *conv_str; - - CONVERT_TO_DOUBLE(v, x); - if (!Py_IS_FINITE(x)) - return PyObject_Repr((PyObject *)v); - fr = frexp(x, &exp); - for (i=0; i<300 && fr != floor(fr) ; i++) { - fr *= 2.0; - exp--; - } - mant = PyLong_FromDouble(floor(fr)); - if (mant == NULL) - return NULL; - conv = int_to_base(mant); - Py_DECREF(mant); - if (conv== NULL) - return NULL; - n = PyString_GET_SIZE(conv); - conv_str = PyString_AS_STRING(conv); - /* Remove the trailing 'L' if present */ - if (n && conv_str[n-1] == 'L') { - PyObject *newconv = PySequence_GetSlice(conv, 0, -1); - Py_DECREF(conv); - if (newconv == NULL) - return NULL; - conv = newconv; - conv_str = PyString_AS_STRING(conv); - } - result = PyString_FromFormat("%s * 2.0 ** %d", conv_str, exp); - Py_DECREF(conv); - return result; -} - -static PyObject * -float_hex(PyFloatObject *v) -{ - return _float_to_base(v, PyLong_Type.tp_as_number->nb_hex); -} - -static PyObject * -float_oct(PyFloatObject *v) -{ - return _float_to_base(v, PyLong_Type.tp_as_number->nb_oct); -} - -static PyObject * -float_bin(PyFloatObject *v) -{ - return _float_to_base(v, PyLong_Type.tp_as_number->nb_bin); -} static PyObject * float_subtype_new(PyTypeObject *type, PyObject *args, PyObject *kwds); @@ -1546,8 +1490,8 @@ float_trunc, /*nb_int*/ float_trunc, /*nb_long*/ float_float, /*nb_float*/ - (unaryfunc)float_oct, /* nb_oct */ - (unaryfunc)float_hex, /* nb_hex */ + 0, /* nb_oct */ + 0, /* nb_hex */ 0, /* nb_inplace_add */ 0, /* nb_inplace_subtract */ 0, /* nb_inplace_multiply */ @@ -1563,8 +1507,6 @@ float_div, /* nb_true_divide */ 0, /* nb_inplace_floor_divide */ 0, /* nb_inplace_true_divide */ - 0, /* nb_index */ - (unaryfunc)float_bin, /* nb_bin */ }; PyTypeObject PyFloat_Type = {
