summaryrefslogtreecommitdiffstats
path: root/Objects/clinic/floatobject.c.h
blob: c40eff85cf35529cfa9788b288f2b9c33573f318 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
/*[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___floor____doc__,
"__floor__($self, /)\n"
"--\n"
"\n"
"Return the floor as an Integral.");

#define FLOAT___FLOOR___METHODDEF    \
    {"__floor__", (PyCFunction)float___floor__, METH_NOARGS, float___floor____doc__},

static PyObject *
float___floor___impl(PyObject *self);

static PyObject *
float___floor__(PyObject *self, PyObject *Py_UNUSED(ignored))
{
    return float___floor___impl(self);
}

PyDoc_STRVAR(float___ceil____doc__,
"__ceil__($self, /)\n"
"--\n"
"\n"
"Return the ceiling as an Integral.");

#define FLOAT___CEIL___METHODDEF    \
    {"__ceil__", (PyCFunction)float___ceil__, METH_NOARGS, float___ceil____doc__},

static PyObject *
float___ceil___impl(PyObject *self);

static PyObject *
float___ceil__(PyObject *self, PyObject *Py_UNUSED(ignored))
{
    return float___ceil___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_CAST(float___round__), METH_FASTCALL, float___round____doc__},

static PyObject *
float___round___impl(PyObject *self, PyObject *o_ndigits);

static PyObject *
float___round__(PyObject *self, PyObject *const *args, Py_ssize_t nargs)
{
    PyObject *return_value = NULL;
    PyObject *o_ndigits = Py_None;

    if (!_PyArg_CheckPositional("__round__", nargs, 0, 1)) {
        goto exit;
    }
    if (nargs < 1) {
        goto skip_optional;
    }
    o_ndigits = args[0];
skip_optional:
    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 a pair of integers, whose ratio is exactly equal to the original float.\n"
"\n"
"The ratio is in lowest terms and has a positive denominator.  Raise\n"
"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_new__doc__,
"float(x=0, /)\n"
"--\n"
"\n"
"Convert a string or number to a floating point number, if possible.");

static PyObject *
float_new_impl(PyTypeObject *type, PyObject *x);

static PyObject *
float_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
{
    PyObject *return_value = NULL;
    PyTypeObject *base_tp = &PyFloat_Type;
    PyObject *x = NULL;

    if ((type == base_tp || type->tp_init == base_tp->tp_init) &&
        !_PyArg_NoKeywords("float", kwargs)) {
        goto exit;
    }
    if (!_PyArg_CheckPositional("float", PyTuple_GET_SIZE(args), 0, 1)) {
        goto exit;
    }
    if (PyTuple_GET_SIZE(args) < 1) {
        goto skip_optional;
    }
    x = PyTuple_GET_ITEM(args, 0);
skip_optional:
    return_value = float_new_impl(type, x);

exit:
    return return_value;
}

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 (!PyUnicode_Check(arg)) {
        _PyArg_BadArgument("__getformat__", "argument", "str", arg);
        goto exit;
    }
    Py_ssize_t typestr_length;
    typestr = PyUnicode_AsUTF8AndSize(arg, &typestr_length);
    if (typestr == NULL) {
        goto exit;
    }
    if (strlen(typestr) != (size_t)typestr_length) {
        PyErr_SetString(PyExc_ValueError, "embedded null character");
        goto exit;
    }
    return_value = float___getformat___impl(type, typestr);

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 (!PyUnicode_Check(arg)) {
        _PyArg_BadArgument("__format__", "argument", "str", arg);
        goto exit;
    }
    format_spec = arg;
    return_value = float___format___impl(self, format_spec);

exit:
    return return_value;
}
/*[clinic end generated code: output=eb093cc601cc5426 input=a9049054013a1b77]*/