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bpo-20185: Convert float object implementation to Argument Clinic. (#543) 

Based on patch by Vajrasky Kok.
pull/615/head
Serhiy Storchaka 9 years ago
committed by GitHub
parent
fdd42c481e
commit
b5c51d3dd9
3 changed files with 499 additions and 157 deletions
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  1. 286
      Objects/clinic/floatobject.c.h
  2. 369
      Objects/floatobject.c
  3. 1
      Tools/clinic/clinic.py

286
Objects/clinic/floatobject.c.h
View File

@ -0,0 +1,286 @@
/*[clinic input]
preserve
[clinic start generated code]*/
PyDoc_STRVAR(float_is_integer__doc__,
"is_integer($self, /)\n"
"--\n"
"\n"
"Return True if the float is an integer.");
#define FLOAT_IS_INTEGER_METHODDEF \
{"is_integer", (PyCFunction)float_is_integer, METH_NOARGS, float_is_integer__doc__},
static PyObject *
float_is_integer_impl(PyObject *self);
static PyObject *
float_is_integer(PyObject *self, PyObject *Py_UNUSED(ignored))
{
return float_is_integer_impl(self);
}
PyDoc_STRVAR(float___trunc____doc__,
"__trunc__($self, /)\n"
"--\n"
"\n"
"Return the Integral closest to x between 0 and x.");
#define FLOAT___TRUNC___METHODDEF \
{"__trunc__", (PyCFunction)float___trunc__, METH_NOARGS, float___trunc____doc__},
static PyObject *
float___trunc___impl(PyObject *self);
static PyObject *
float___trunc__(PyObject *self, PyObject *Py_UNUSED(ignored))
{
return float___trunc___impl(self);
}
PyDoc_STRVAR(float___round____doc__,
"__round__($self, ndigits=None, /)\n"
"--\n"
"\n"
"Return the Integral closest to x, rounding half toward even.\n"
"\n"
"When an argument is passed, work like built-in round(x, ndigits).");
#define FLOAT___ROUND___METHODDEF \
{"__round__", (PyCFunction)float___round__, METH_FASTCALL, float___round____doc__},
static PyObject *
float___round___impl(PyObject *self, PyObject *o_ndigits);
static PyObject *
float___round__(PyObject *self, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *return_value = NULL;
PyObject *o_ndigits = NULL;
if (!_PyArg_UnpackStack(args, nargs, "__round__",
0, 1,
&o_ndigits)) {
goto exit;
}
if (!_PyArg_NoStackKeywords("__round__", kwnames)) {
goto exit;
}
return_value = float___round___impl(self, o_ndigits);
exit:
return return_value;
}
PyDoc_STRVAR(float_conjugate__doc__,
"conjugate($self, /)\n"
"--\n"
"\n"
"Return self, the complex conjugate of any float.");
#define FLOAT_CONJUGATE_METHODDEF \
{"conjugate", (PyCFunction)float_conjugate, METH_NOARGS, float_conjugate__doc__},
static PyObject *
float_conjugate_impl(PyObject *self);
static PyObject *
float_conjugate(PyObject *self, PyObject *Py_UNUSED(ignored))
{
return float_conjugate_impl(self);
}
PyDoc_STRVAR(float_hex__doc__,
"hex($self, /)\n"
"--\n"
"\n"
"Return a hexadecimal representation of a floating-point number.\n"
"\n"
">>> (-0.1).hex()\n"
"\'-0x1.999999999999ap-4\'\n"
">>> 3.14159.hex()\n"
"\'0x1.921f9f01b866ep+1\'");
#define FLOAT_HEX_METHODDEF \
{"hex", (PyCFunction)float_hex, METH_NOARGS, float_hex__doc__},
static PyObject *
float_hex_impl(PyObject *self);
static PyObject *
float_hex(PyObject *self, PyObject *Py_UNUSED(ignored))
{
return float_hex_impl(self);
}
PyDoc_STRVAR(float_fromhex__doc__,
"fromhex($type, string, /)\n"
"--\n"
"\n"
"Create a floating-point number from a hexadecimal string.\n"
"\n"
">>> float.fromhex(\'0x1.ffffp10\')\n"
"2047.984375\n"
">>> float.fromhex(\'-0x1p-1074\')\n"
"-5e-324");
#define FLOAT_FROMHEX_METHODDEF \
{"fromhex", (PyCFunction)float_fromhex, METH_O|METH_CLASS, float_fromhex__doc__},
PyDoc_STRVAR(float_as_integer_ratio__doc__,
"as_integer_ratio($self, /)\n"
"--\n"
"\n"
"Return integer ratio.\n"
"\n"
"Return a pair of integers, whose ratio is exactly equal to the original float\n"
"and with a positive denominator.\n"
"\n"
"Raise OverflowError on infinities and a ValueError on NaNs.\n"
"\n"
">>> (10.0).as_integer_ratio()\n"
"(10, 1)\n"
">>> (0.0).as_integer_ratio()\n"
"(0, 1)\n"
">>> (-.25).as_integer_ratio()\n"
"(-1, 4)");
#define FLOAT_AS_INTEGER_RATIO_METHODDEF \
{"as_integer_ratio", (PyCFunction)float_as_integer_ratio, METH_NOARGS, float_as_integer_ratio__doc__},
static PyObject *
float_as_integer_ratio_impl(PyObject *self);
static PyObject *
float_as_integer_ratio(PyObject *self, PyObject *Py_UNUSED(ignored))
{
return float_as_integer_ratio_impl(self);
}
PyDoc_STRVAR(float___getnewargs____doc__,
"__getnewargs__($self, /)\n"
"--\n"
"\n");
#define FLOAT___GETNEWARGS___METHODDEF \
{"__getnewargs__", (PyCFunction)float___getnewargs__, METH_NOARGS, float___getnewargs____doc__},
static PyObject *
float___getnewargs___impl(PyObject *self);
static PyObject *
float___getnewargs__(PyObject *self, PyObject *Py_UNUSED(ignored))
{
return float___getnewargs___impl(self);
}
PyDoc_STRVAR(float___getformat____doc__,
"__getformat__($type, typestr, /)\n"
"--\n"
"\n"
"You probably don\'t want to use this function.\n"
"\n"
" typestr\n"
" Must be \'double\' or \'float\'.\n"
"\n"
"It exists mainly to be used in Python\'s test suite.\n"
"\n"
"This function returns whichever of \'unknown\', \'IEEE, big-endian\' or \'IEEE,\n"
"little-endian\' best describes the format of floating point numbers used by the\n"
"C type named by typestr.");
#define FLOAT___GETFORMAT___METHODDEF \
{"__getformat__", (PyCFunction)float___getformat__, METH_O|METH_CLASS, float___getformat____doc__},
static PyObject *
float___getformat___impl(PyTypeObject *type, const char *typestr);
static PyObject *
float___getformat__(PyTypeObject *type, PyObject *arg)
{
PyObject *return_value = NULL;
const char *typestr;
if (!PyArg_Parse(arg, "s:__getformat__", &typestr)) {
goto exit;
}
return_value = float___getformat___impl(type, typestr);
exit:
return return_value;
}
PyDoc_STRVAR(float___set_format____doc__,
"__set_format__($type, typestr, fmt, /)\n"
"--\n"
"\n"
"You probably don\'t want to use this function.\n"
"\n"
" typestr\n"
" Must be \'double\' or \'float\'.\n"
" fmt\n"
" Must be one of \'unknown\', \'IEEE, big-endian\' or \'IEEE, little-endian\',\n"
" and in addition can only be one of the latter two if it appears to\n"
" match the underlying C reality.\n"
"\n"
"It exists mainly to be used in Python\'s test suite.\n"
"\n"
"Override the automatic determination of C-level floating point type.\n"
"This affects how floats are converted to and from binary strings.");
#define FLOAT___SET_FORMAT___METHODDEF \
{"__set_format__", (PyCFunction)float___set_format__, METH_FASTCALL|METH_CLASS, float___set_format____doc__},
static PyObject *
float___set_format___impl(PyTypeObject *type, const char *typestr,
const char *fmt);
static PyObject *
float___set_format__(PyTypeObject *type, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *return_value = NULL;
const char *typestr;
const char *fmt;
if (!_PyArg_ParseStack(args, nargs, "ss:__set_format__",
&typestr, &fmt)) {
goto exit;
}
if (!_PyArg_NoStackKeywords("__set_format__", kwnames)) {
goto exit;
}
return_value = float___set_format___impl(type, typestr, fmt);
exit:
return return_value;
}
PyDoc_STRVAR(float___format____doc__,
"__format__($self, format_spec, /)\n"
"--\n"
"\n"
"Formats the float according to format_spec.");
#define FLOAT___FORMAT___METHODDEF \
{"__format__", (PyCFunction)float___format__, METH_O, float___format____doc__},
static PyObject *
float___format___impl(PyObject *self, PyObject *format_spec);
static PyObject *
float___format__(PyObject *self, PyObject *arg)
{
PyObject *return_value = NULL;
PyObject *format_spec;
if (!PyArg_Parse(arg, "U:__format__", &format_spec)) {
goto exit;
}
return_value = float___format___impl(self, format_spec);
exit:
return return_value;
}
/*[clinic end generated code: output=9257442b321d6a8b input=a9049054013a1b77]*/

369
Objects/floatobject.c
View File

@ -9,6 +9,12 @@
#include <ctype.h>
#include <float.h>
/*[clinic input]
class float "PyObject *" "&PyFloat_Type"
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=dd0003f68f144284]*/
#include "clinic/floatobject.c.h"
/* Special free list
free_list is a singly-linked list of available PyFloatObjects, linked
@ -824,10 +830,17 @@ float_bool(PyFloatObject *v)
return v->ob_fval != 0.0;
}
/*[clinic input]
float.is_integer
Return True if the float is an integer.
[clinic start generated code]*/
static PyObject *
float_is_integer(PyObject *v)
float_is_integer_impl(PyObject *self)
/*[clinic end generated code: output=7112acf95a4d31ea input=311810d3f777e10d]*/
{
double x = PyFloat_AsDouble(v);
double x = PyFloat_AsDouble(self);
PyObject *o;
if (x == -1.0 && PyErr_Occurred())
@ -876,10 +889,17 @@ float_is_finite(PyObject *v)
}
#endif
/*[clinic input]
float.__trunc__
Return the Integral closest to x between 0 and x.
[clinic start generated code]*/
static PyObject *
float_trunc(PyObject *v)
float___trunc___impl(PyObject *self)
/*[clinic end generated code: output=dd3e289dd4c6b538 input=591b9ba0d650fdff]*/
{
double x = PyFloat_AsDouble(v);
double x = PyFloat_AsDouble(self);
double wholepart; /* integral portion of x, rounded toward 0 */
(void)modf(x, &wholepart);
@ -1018,16 +1038,25 @@ double_round(double x, int ndigits) {
/* round a Python float v to the closest multiple of 10**-ndigits */
/*[clinic input]
float.__round__
ndigits as o_ndigits: object = NULL
/
Return the Integral closest to x, rounding half toward even.
When an argument is passed, work like built-in round(x, ndigits).
[clinic start generated code]*/
static PyObject *
float_round(PyObject *v, PyObject *args)
float___round___impl(PyObject *self, PyObject *o_ndigits)
/*[clinic end generated code: output=374c36aaa0f13980 input=1ca2316b510293b8]*/
{
double x, rounded;
PyObject *o_ndigits = NULL;
Py_ssize_t ndigits;
x = PyFloat_AsDouble(v);
if (!PyArg_ParseTuple(args, "|O", &o_ndigits))
return NULL;
x = PyFloat_AsDouble(self);
if (o_ndigits == NULL || o_ndigits == Py_None) {
/* single-argument round or with None ndigits:
* round to nearest integer */
@ -1075,6 +1104,19 @@ float_float(PyObject *v)
return v;
}
/*[clinic input]
float.conjugate
Return self, the complex conjugate of any float.
[clinic start generated code]*/
static PyObject *
float_conjugate_impl(PyObject *self)
/*[clinic end generated code: output=8ca292c2479194af input=82ba6f37a9ff91dd]*/
{
return float_float(self);
}
/* turn ASCII hex characters into integer values and vice versa */
static char
@ -1155,8 +1197,20 @@ hex_from_char(char c) {
of the form 4k+1. */
#define TOHEX_NBITS DBL_MANT_DIG + 3 - (DBL_MANT_DIG+2)%4
/*[clinic input]
float.hex
Return a hexadecimal representation of a floating-point number.
>>> (-0.1).hex()
'-0x1.999999999999ap-4'
>>> 3.14159.hex()
'0x1.921f9f01b866ep+1'
[clinic start generated code]*/
static PyObject *
float_hex(PyObject *v)
float_hex_impl(PyObject *self)
/*[clinic end generated code: output=0ebc9836e4d302d4 input=bec1271a33d47e67]*/
{
double x, m;
int e, shift, i, si, esign;
@ -1164,10 +1218,10 @@ float_hex(PyObject *v)
trailing NUL byte. */
char s[(TOHEX_NBITS-1)/4+3];
CONVERT_TO_DOUBLE(v, x);
CONVERT_TO_DOUBLE(self, x);
if (Py_IS_NAN(x) || Py_IS_INFINITY(x))
return float_repr((PyFloatObject *)v);
return float_repr((PyFloatObject *)self);
if (x == 0.0) {
if (copysign(1.0, x) == -1.0)
@ -1208,19 +1262,26 @@ float_hex(PyObject *v)
return PyUnicode_FromFormat("0x%sp%c%d", s, esign, e);
}
PyDoc_STRVAR(float_hex_doc,
"float.hex() -> string\n\
\n\
Return a hexadecimal representation of a floating-point number.\n\
>>> (-0.1).hex()\n\
'-0x1.999999999999ap-4'\n\
>>> 3.14159.hex()\n\
'0x1.921f9f01b866ep+1'");
/* Convert a hexadecimal string to a float. */
/*[clinic input]
@classmethod
float.fromhex
string: object
/
Create a floating-point number from a hexadecimal string.
>>> float.fromhex('0x1.ffffp10')
2047.984375
>>> float.fromhex('-0x1p-1074')
-5e-324
[clinic start generated code]*/
static PyObject *
float_fromhex(PyObject *cls, PyObject *arg)
float_fromhex(PyTypeObject *type, PyObject *string)
/*[clinic end generated code: output=46c0274d22b78e82 input=0407bebd354bca89]*/
{
PyObject *result;
double x;
@ -1274,7 +1335,7 @@ float_fromhex(PyObject *cls, PyObject *arg)
* exp+4*ndigits and exp-4*ndigits are within the range of a long.
*/
s = PyUnicode_AsUTF8AndSize(arg, &length);
s = PyUnicode_AsUTF8AndSize(string, &length);
if (s == NULL)
return NULL;
s_end = s + length;
@ -1438,8 +1499,8 @@ float_fromhex(PyObject *cls, PyObject *arg)
if (s != s_end)
goto parse_error;
result = PyFloat_FromDouble(negate ? -x : x);
if (cls != (PyObject *)&PyFloat_Type && result != NULL) {
Py_SETREF(result, PyObject_CallFunctionObjArgs(cls, result, NULL));
if (type != &PyFloat_Type && result != NULL) {
Py_SETREF(result, PyObject_CallFunctionObjArgs((PyObject *)type, result, NULL));
}
return result;
@ -1459,20 +1520,29 @@ float_fromhex(PyObject *cls, PyObject *arg)
return NULL;
}
PyDoc_STRVAR(float_fromhex_doc,
"float.fromhex(string) -> float\n\
\n\
Create a floating-point number from a hexadecimal string.\n\
>>> float.fromhex('0x1.ffffp10')\n\
2047.984375\n\
>>> float.fromhex('-0x1p-1074')\n\
-5e-324");
/*[clinic input]
float.as_integer_ratio
Return integer ratio.
Return a pair of integers, whose ratio is exactly equal to the original float
and with a positive denominator.
Raise OverflowError on infinities and a ValueError on NaNs.
>>> (10.0).as_integer_ratio()
(10, 1)
>>> (0.0).as_integer_ratio()
(0, 1)
>>> (-.25).as_integer_ratio()
(-1, 4)
[clinic start generated code]*/
static PyObject *
float_as_integer_ratio(PyObject *v, PyObject *unused)
float_as_integer_ratio_impl(PyObject *self)
/*[clinic end generated code: output=65f25f0d8d30a712 input=e21d08b4630c2e44]*/
{
double self;
double self_double;
double float_part;
int exponent;
int i;
@ -1483,21 +1553,21 @@ float_as_integer_ratio(PyObject *v, PyObject *unused)
PyObject *result_pair = NULL;
PyNumberMethods *long_methods = PyLong_Type.tp_as_number;
CONVERT_TO_DOUBLE(v, self);
CONVERT_TO_DOUBLE(self, self_double);
if (Py_IS_INFINITY(self)) {
if (Py_IS_INFINITY(self_double)) {
PyErr_SetString(PyExc_OverflowError,
"cannot convert Infinity to integer ratio");
return NULL;
}
if (Py_IS_NAN(self)) {
if (Py_IS_NAN(self_double)) {
PyErr_SetString(PyExc_ValueError,
"cannot convert NaN to integer ratio");
return NULL;
}
PyFPE_START_PROTECT("as_integer_ratio", goto error);
float_part = frexp(self, &exponent); /* self == float_part * 2**exponent exactly */
float_part = frexp(self_double, &exponent); /* self_double == float_part * 2**exponent exactly */
PyFPE_END_PROTECT(float_part);
for (i=0; i<300 && float_part != floor(float_part) ; i++) {
@ -1541,21 +1611,6 @@ error:
return result_pair;
}
PyDoc_STRVAR(float_as_integer_ratio_doc,
"float.as_integer_ratio() -> (int, int)\n"
"\n"
"Return a pair of integers, whose ratio is exactly equal to the original\n"
"float and with a positive denominator.\n"
"Raise OverflowError on infinities and a ValueError on NaNs.\n"
"\n"
">>> (10.0).as_integer_ratio()\n"
"(10, 1)\n"
">>> (0.0).as_integer_ratio()\n"
"(0, 1)\n"
">>> (-.25).as_integer_ratio()\n"
"(-1, 4)");
static PyObject *
float_subtype_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
@ -1602,10 +1657,15 @@ float_subtype_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
return newobj;
}
/*[clinic input]
float.__getnewargs__
[clinic start generated code]*/
static PyObject *
float_getnewargs(PyFloatObject *v)
float___getnewargs___impl(PyObject *self)
/*[clinic end generated code: output=873258c9d206b088 input=002279d1d77891e6]*/
{
return Py_BuildValue("(d)", v->ob_fval);
return Py_BuildValue("(d)", ((PyFloatObject *)self)->ob_fval);
}
/* this is for the benefit of the pack/unpack routines below */
@ -1617,25 +1677,33 @@ typedef enum {
static float_format_type double_format, float_format;
static float_format_type detected_double_format, detected_float_format;
/*[clinic input]
@classmethod
float.__getformat__
typestr: str
Must be 'double' or 'float'.
/
You probably don't want to use this function.
It exists mainly to be used in Python's test suite.
This function returns whichever of 'unknown', 'IEEE, big-endian' or 'IEEE,
little-endian' best describes the format of floating point numbers used by the
C type named by typestr.
[clinic start generated code]*/
static PyObject *
float_getformat(PyTypeObject *v, PyObject* arg)
float___getformat___impl(PyTypeObject *type, const char *typestr)
/*[clinic end generated code: output=2bfb987228cc9628 input=d5a52600f835ad67]*/
{
const char *s;
float_format_type r;
if (!PyUnicode_Check(arg)) {
PyErr_Format(PyExc_TypeError,
"__getformat__() argument must be string, not %.500s",
Py_TYPE(arg)->tp_name);
return NULL;
}
s = PyUnicode_AsUTF8(arg);
if (s == NULL)
return NULL;
if (strcmp(s, "double") == 0) {
if (strcmp(typestr, "double") == 0) {
r = double_format;
}
else if (strcmp(s, "float") == 0) {
else if (strcmp(typestr, "float") == 0) {
r = float_format;
}
else {
@ -1658,28 +1726,35 @@ float_getformat(PyTypeObject *v, PyObject* arg)
}
}
PyDoc_STRVAR(float_getformat_doc,
"float.__getformat__(typestr) -> string\n"
"\n"
"You probably don't want to use this function. It exists mainly to be\n"
"used in Python's test suite.\n"
"\n"
"typestr must be 'double' or 'float'. This function returns whichever of\n"
"'unknown', 'IEEE, big-endian' or 'IEEE, little-endian' best describes the\n"
"format of floating point numbers used by the C type named by typestr.");
/*[clinic input]
@classmethod
float.__set_format__
typestr: str
Must be 'double' or 'float'.
fmt: str
Must be one of 'unknown', 'IEEE, big-endian' or 'IEEE, little-endian',
and in addition can only be one of the latter two if it appears to
match the underlying C reality.
/
You probably don't want to use this function.
It exists mainly to be used in Python's test suite.
Override the automatic determination of C-level floating point type.
This affects how floats are converted to and from binary strings.
[clinic start generated code]*/
static PyObject *
float_setformat(PyTypeObject *v, PyObject* args)
float___set_format___impl(PyTypeObject *type, const char *typestr,
const char *fmt)
/*[clinic end generated code: output=504460f5dc85acbd input=5306fa2b81a997e4]*/
{
char* typestr;
char* format;
float_format_type f;
float_format_type detected;
float_format_type *p;
if (!PyArg_ParseTuple(args, "ss:__setformat__", &typestr, &format))
return NULL;
if (strcmp(typestr, "double") == 0) {
p = &double_format;
detected = detected_double_format;
@ -1695,13 +1770,13 @@ float_setformat(PyTypeObject *v, PyObject* args)
return NULL;
}
if (strcmp(format, "unknown") == 0) {
if (strcmp(fmt, "unknown") == 0) {
f = unknown_format;
}
else if (strcmp(format, "IEEE, little-endian") == 0) {
else if (strcmp(fmt, "IEEE, little-endian") == 0) {
f = ieee_little_endian_format;
}
else if (strcmp(format, "IEEE, big-endian") == 0) {
else if (strcmp(fmt, "IEEE, big-endian") == 0) {
f = ieee_big_endian_format;
}
else {
@ -1724,35 +1799,34 @@ float_setformat(PyTypeObject *v, PyObject* args)
Py_RETURN_NONE;
}
PyDoc_STRVAR(float_setformat_doc,
"float.__setformat__(typestr, fmt) -> None\n"
"\n"
"You probably don't want to use this function. It exists mainly to be\n"
"used in Python's test suite.\n"
"\n"
"typestr must be 'double' or 'float'. fmt must be one of 'unknown',\n"
"'IEEE, big-endian' or 'IEEE, little-endian', and in addition can only be\n"
"one of the latter two if it appears to match the underlying C reality.\n"
"\n"
"Override the automatic determination of C-level floating point type.\n"
"This affects how floats are converted to and from binary strings.");
static PyObject *
float_getreal(PyObject *v, void *closure)
{
return float_float(v);
}
static PyObject *
float_getzero(PyObject *v, void *closure)
float_getimag(PyObject *v, void *closure)
{
return PyFloat_FromDouble(0.0);
}
/*[clinic input]
float.__format__
format_spec: unicode
/
Formats the float according to format_spec.
[clinic start generated code]*/
static PyObject *
float__format__(PyObject *self, PyObject *args)
float___format___impl(PyObject *self, PyObject *format_spec)
/*[clinic end generated code: output=b260e52a47eade56 input=2ece1052211fd0e6]*/
{
PyObject *format_spec;
_PyUnicodeWriter writer;
int ret;
if (!PyArg_ParseTuple(args, "U:__format__", &format_spec))
return NULL;
_PyUnicodeWriter_Init(&writer);
ret = _PyFloat_FormatAdvancedWriter(
&writer,
@ -1765,28 +1839,14 @@ float__format__(PyObject *self, PyObject *args)
return _PyUnicodeWriter_Finish(&writer);
}
PyDoc_STRVAR(float__format__doc,
"float.__format__(format_spec) -> string\n"
"\n"
"Formats the float according to format_spec.");
static PyMethodDef float_methods[] = {
{"conjugate", (PyCFunction)float_float, METH_NOARGS,
"Return self, the complex conjugate of any float."},
{"__trunc__", (PyCFunction)float_trunc, METH_NOARGS,
"Return the Integral closest to x between 0 and x."},
{"__round__", (PyCFunction)float_round, METH_VARARGS,
"Return the Integral closest to x, rounding half toward even.\n"
"When an argument is passed, work like built-in round(x, ndigits)."},
{"as_integer_ratio", (PyCFunction)float_as_integer_ratio, METH_NOARGS,
float_as_integer_ratio_doc},
{"fromhex", (PyCFunction)float_fromhex,
METH_O|METH_CLASS, float_fromhex_doc},
{"hex", (PyCFunction)float_hex,
METH_NOARGS, float_hex_doc},
{"is_integer", (PyCFunction)float_is_integer, METH_NOARGS,
"Return True if the float is an integer."},
FLOAT_CONJUGATE_METHODDEF
FLOAT___TRUNC___METHODDEF
FLOAT___ROUND___METHODDEF
FLOAT_AS_INTEGER_RATIO_METHODDEF
FLOAT_FROMHEX_METHODDEF
FLOAT_HEX_METHODDEF
FLOAT_IS_INTEGER_METHODDEF
#if 0
{"is_inf", (PyCFunction)float_is_inf, METH_NOARGS,
"Return True if the float is positive or negative infinite."},
@ -1795,23 +1855,20 @@ static PyMethodDef float_methods[] = {
{"is_nan", (PyCFunction)float_is_nan, METH_NOARGS,
"Return True if the float is not a number (NaN)."},
#endif
{"__getnewargs__", (PyCFunction)float_getnewargs, METH_NOARGS},
{"__getformat__", (PyCFunction)float_getformat,
METH_O|METH_CLASS, float_getformat_doc},
{"__setformat__", (PyCFunction)float_setformat,
METH_VARARGS|METH_CLASS, float_setformat_doc},
{"__format__", (PyCFunction)float__format__,
METH_VARARGS, float__format__doc},
FLOAT___GETNEWARGS___METHODDEF
FLOAT___GETFORMAT___METHODDEF
FLOAT___SET_FORMAT___METHODDEF
FLOAT___FORMAT___METHODDEF
{NULL, NULL} /* sentinel */
};
static PyGetSetDef float_getset[] = {
{"real",
(getter)float_float, (setter)NULL,
float_getreal, (setter)NULL,
"the real part of a complex number",
NULL},
{"imag",
(getter)float_getzero, (setter)NULL,
float_getimag, (setter)NULL,
"the imaginary part of a complex number",
NULL},
{NULL} /* Sentinel */
@ -1824,25 +1881,25 @@ Convert a string or number to a floating point number, if possible.");
static PyNumberMethods float_as_number = {
float_add, /*nb_add*/
float_sub, /*nb_subtract*/
float_mul, /*nb_multiply*/
float_rem, /*nb_remainder*/
float_divmod, /*nb_divmod*/
float_pow, /*nb_power*/
(unaryfunc)float_neg, /*nb_negative*/
(unaryfunc)float_float, /*nb_positive*/
(unaryfunc)float_abs, /*nb_absolute*/
(inquiry)float_bool, /*nb_bool*/
0, /*nb_invert*/
0, /*nb_lshift*/
0, /*nb_rshift*/
0, /*nb_and*/
0, /*nb_xor*/
0, /*nb_or*/
float_trunc, /*nb_int*/
0, /*nb_reserved*/
float_float, /*nb_float*/
float_add, /* nb_add */
float_sub, /* nb_subtract */
float_mul, /* nb_multiply */
float_rem, /* nb_remainder */
float_divmod, /* nb_divmod */
float_pow, /* nb_power */
(unaryfunc)float_neg, /* nb_negative */
float_float, /* nb_positive */
(unaryfunc)float_abs, /* nb_absolute */
(inquiry)float_bool, /* nb_bool */
0, /* nb_invert */
0, /* nb_lshift */
0, /* nb_rshift */
0, /* nb_and */
0, /* nb_xor */
0, /* nb_or */
float___trunc___impl, /* nb_int */
0, /* nb_reserved */
float_float, /* nb_float */
0, /* nb_inplace_add */
0, /* nb_inplace_subtract */
0, /* nb_inplace_multiply */
@ -1853,7 +1910,7 @@ static PyNumberMethods float_as_number = {
0, /* nb_inplace_and */
0, /* nb_inplace_xor */
0, /* nb_inplace_or */
float_floor_div, /* nb_floor_divide */
float_floor_div, /* nb_floor_divide */
float_div, /* nb_true_divide */
0, /* nb_inplace_floor_divide */
0, /* nb_inplace_true_divide */
@ -1879,7 +1936,7 @@ PyTypeObject PyFloat_Type = {
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
float_doc, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */

1
Tools/clinic/clinic.py
View File

@ -2042,7 +2042,6 @@ __rmatmul__
__rmod__
__rmul__
__ror__
__round__
__rpow__
__rrshift__
__rshift__

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