blob: 3a487bdbea23b9e1b4929fe14d1bfad09c282dc3 [file] [log] [blame]
Serhiy Storchakac9ea9332017-01-19 18:13:09 +02001/*[clinic input]
2preserve
3[clinic start generated code]*/
4
5PyDoc_STRVAR(math_gcd__doc__,
6"gcd($module, x, y, /)\n"
7"--\n"
8"\n"
9"greatest common divisor of x and y");
10
11#define MATH_GCD_METHODDEF \
12 {"gcd", (PyCFunction)math_gcd, METH_FASTCALL, math_gcd__doc__},
13
14static PyObject *
15math_gcd_impl(PyObject *module, PyObject *a, PyObject *b);
16
17static PyObject *
Serhiy Storchakaa5552f02017-12-15 13:11:11 +020018math_gcd(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
Serhiy Storchakac9ea9332017-01-19 18:13:09 +020019{
20 PyObject *return_value = NULL;
21 PyObject *a;
22 PyObject *b;
23
Sylvain74453812017-06-10 06:51:48 +020024 if (!_PyArg_UnpackStack(args, nargs, "gcd",
25 2, 2,
26 &a, &b)) {
Serhiy Storchakac9ea9332017-01-19 18:13:09 +020027 goto exit;
28 }
29 return_value = math_gcd_impl(module, a, b);
30
31exit:
32 return return_value;
33}
34
35PyDoc_STRVAR(math_ceil__doc__,
36"ceil($module, x, /)\n"
37"--\n"
38"\n"
39"Return the ceiling of x as an Integral.\n"
40"\n"
41"This is the smallest integer >= x.");
42
43#define MATH_CEIL_METHODDEF \
44 {"ceil", (PyCFunction)math_ceil, METH_O, math_ceil__doc__},
45
46PyDoc_STRVAR(math_floor__doc__,
47"floor($module, x, /)\n"
48"--\n"
49"\n"
50"Return the floor of x as an Integral.\n"
51"\n"
52"This is the largest integer <= x.");
53
54#define MATH_FLOOR_METHODDEF \
55 {"floor", (PyCFunction)math_floor, METH_O, math_floor__doc__},
56
57PyDoc_STRVAR(math_fsum__doc__,
58"fsum($module, seq, /)\n"
59"--\n"
60"\n"
61"Return an accurate floating point sum of values in the iterable seq.\n"
62"\n"
63"Assumes IEEE-754 floating point arithmetic.");
64
65#define MATH_FSUM_METHODDEF \
66 {"fsum", (PyCFunction)math_fsum, METH_O, math_fsum__doc__},
67
68PyDoc_STRVAR(math_factorial__doc__,
69"factorial($module, x, /)\n"
70"--\n"
71"\n"
72"Find x!.\n"
73"\n"
74"Raise a ValueError if x is negative or non-integral.");
75
76#define MATH_FACTORIAL_METHODDEF \
77 {"factorial", (PyCFunction)math_factorial, METH_O, math_factorial__doc__},
78
79PyDoc_STRVAR(math_trunc__doc__,
80"trunc($module, x, /)\n"
81"--\n"
82"\n"
83"Truncates the Real x to the nearest Integral toward 0.\n"
84"\n"
85"Uses the __trunc__ magic method.");
86
87#define MATH_TRUNC_METHODDEF \
88 {"trunc", (PyCFunction)math_trunc, METH_O, math_trunc__doc__},
89
90PyDoc_STRVAR(math_frexp__doc__,
91"frexp($module, x, /)\n"
92"--\n"
93"\n"
94"Return the mantissa and exponent of x, as pair (m, e).\n"
95"\n"
96"m is a float and e is an int, such that x = m * 2.**e.\n"
97"If x is 0, m and e are both 0. Else 0.5 <= abs(m) < 1.0.");
98
99#define MATH_FREXP_METHODDEF \
100 {"frexp", (PyCFunction)math_frexp, METH_O, math_frexp__doc__},
101
102static PyObject *
103math_frexp_impl(PyObject *module, double x);
104
105static PyObject *
106math_frexp(PyObject *module, PyObject *arg)
107{
108 PyObject *return_value = NULL;
109 double x;
110
111 if (!PyArg_Parse(arg, "d:frexp", &x)) {
112 goto exit;
113 }
114 return_value = math_frexp_impl(module, x);
115
116exit:
117 return return_value;
118}
119
120PyDoc_STRVAR(math_ldexp__doc__,
121"ldexp($module, x, i, /)\n"
122"--\n"
123"\n"
124"Return x * (2**i).\n"
125"\n"
126"This is essentially the inverse of frexp().");
127
128#define MATH_LDEXP_METHODDEF \
129 {"ldexp", (PyCFunction)math_ldexp, METH_FASTCALL, math_ldexp__doc__},
130
131static PyObject *
132math_ldexp_impl(PyObject *module, double x, PyObject *i);
133
134static PyObject *
Serhiy Storchakaa5552f02017-12-15 13:11:11 +0200135math_ldexp(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200136{
137 PyObject *return_value = NULL;
138 double x;
139 PyObject *i;
140
Sylvain74453812017-06-10 06:51:48 +0200141 if (!_PyArg_ParseStack(args, nargs, "dO:ldexp",
142 &x, &i)) {
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200143 goto exit;
144 }
145 return_value = math_ldexp_impl(module, x, i);
146
147exit:
148 return return_value;
149}
150
151PyDoc_STRVAR(math_modf__doc__,
152"modf($module, x, /)\n"
153"--\n"
154"\n"
155"Return the fractional and integer parts of x.\n"
156"\n"
157"Both results carry the sign of x and are floats.");
158
159#define MATH_MODF_METHODDEF \
160 {"modf", (PyCFunction)math_modf, METH_O, math_modf__doc__},
161
162static PyObject *
163math_modf_impl(PyObject *module, double x);
164
165static PyObject *
166math_modf(PyObject *module, PyObject *arg)
167{
168 PyObject *return_value = NULL;
169 double x;
170
171 if (!PyArg_Parse(arg, "d:modf", &x)) {
172 goto exit;
173 }
174 return_value = math_modf_impl(module, x);
175
176exit:
177 return return_value;
178}
179
180PyDoc_STRVAR(math_log__doc__,
181"log(x, [base=math.e])\n"
182"Return the logarithm of x to the given base.\n"
183"\n"
184"If the base not specified, returns the natural logarithm (base e) of x.");
185
186#define MATH_LOG_METHODDEF \
187 {"log", (PyCFunction)math_log, METH_VARARGS, math_log__doc__},
188
189static PyObject *
190math_log_impl(PyObject *module, PyObject *x, int group_right_1,
191 PyObject *base);
192
193static PyObject *
194math_log(PyObject *module, PyObject *args)
195{
196 PyObject *return_value = NULL;
197 PyObject *x;
198 int group_right_1 = 0;
199 PyObject *base = NULL;
200
201 switch (PyTuple_GET_SIZE(args)) {
202 case 1:
203 if (!PyArg_ParseTuple(args, "O:log", &x)) {
204 goto exit;
205 }
206 break;
207 case 2:
208 if (!PyArg_ParseTuple(args, "OO:log", &x, &base)) {
209 goto exit;
210 }
211 group_right_1 = 1;
212 break;
213 default:
214 PyErr_SetString(PyExc_TypeError, "math.log requires 1 to 2 arguments");
215 goto exit;
216 }
217 return_value = math_log_impl(module, x, group_right_1, base);
218
219exit:
220 return return_value;
221}
222
223PyDoc_STRVAR(math_log2__doc__,
224"log2($module, x, /)\n"
225"--\n"
226"\n"
227"Return the base 2 logarithm of x.");
228
229#define MATH_LOG2_METHODDEF \
230 {"log2", (PyCFunction)math_log2, METH_O, math_log2__doc__},
231
232PyDoc_STRVAR(math_log10__doc__,
233"log10($module, x, /)\n"
234"--\n"
235"\n"
236"Return the base 10 logarithm of x.");
237
238#define MATH_LOG10_METHODDEF \
239 {"log10", (PyCFunction)math_log10, METH_O, math_log10__doc__},
240
241PyDoc_STRVAR(math_fmod__doc__,
242"fmod($module, x, y, /)\n"
243"--\n"
244"\n"
245"Return fmod(x, y), according to platform C.\n"
246"\n"
247"x % y may differ.");
248
249#define MATH_FMOD_METHODDEF \
250 {"fmod", (PyCFunction)math_fmod, METH_FASTCALL, math_fmod__doc__},
251
252static PyObject *
253math_fmod_impl(PyObject *module, double x, double y);
254
255static PyObject *
Serhiy Storchakaa5552f02017-12-15 13:11:11 +0200256math_fmod(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200257{
258 PyObject *return_value = NULL;
259 double x;
260 double y;
261
Sylvain74453812017-06-10 06:51:48 +0200262 if (!_PyArg_ParseStack(args, nargs, "dd:fmod",
263 &x, &y)) {
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200264 goto exit;
265 }
266 return_value = math_fmod_impl(module, x, y);
267
268exit:
269 return return_value;
270}
271
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200272PyDoc_STRVAR(math_pow__doc__,
273"pow($module, x, y, /)\n"
274"--\n"
275"\n"
276"Return x**y (x to the power of y).");
277
278#define MATH_POW_METHODDEF \
279 {"pow", (PyCFunction)math_pow, METH_FASTCALL, math_pow__doc__},
280
281static PyObject *
282math_pow_impl(PyObject *module, double x, double y);
283
284static PyObject *
Serhiy Storchakaa5552f02017-12-15 13:11:11 +0200285math_pow(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200286{
287 PyObject *return_value = NULL;
288 double x;
289 double y;
290
Sylvain74453812017-06-10 06:51:48 +0200291 if (!_PyArg_ParseStack(args, nargs, "dd:pow",
292 &x, &y)) {
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200293 goto exit;
294 }
295 return_value = math_pow_impl(module, x, y);
296
297exit:
298 return return_value;
299}
300
301PyDoc_STRVAR(math_degrees__doc__,
302"degrees($module, x, /)\n"
303"--\n"
304"\n"
305"Convert angle x from radians to degrees.");
306
307#define MATH_DEGREES_METHODDEF \
308 {"degrees", (PyCFunction)math_degrees, METH_O, math_degrees__doc__},
309
310static PyObject *
311math_degrees_impl(PyObject *module, double x);
312
313static PyObject *
314math_degrees(PyObject *module, PyObject *arg)
315{
316 PyObject *return_value = NULL;
317 double x;
318
319 if (!PyArg_Parse(arg, "d:degrees", &x)) {
320 goto exit;
321 }
322 return_value = math_degrees_impl(module, x);
323
324exit:
325 return return_value;
326}
327
328PyDoc_STRVAR(math_radians__doc__,
329"radians($module, x, /)\n"
330"--\n"
331"\n"
332"Convert angle x from degrees to radians.");
333
334#define MATH_RADIANS_METHODDEF \
335 {"radians", (PyCFunction)math_radians, METH_O, math_radians__doc__},
336
337static PyObject *
338math_radians_impl(PyObject *module, double x);
339
340static PyObject *
341math_radians(PyObject *module, PyObject *arg)
342{
343 PyObject *return_value = NULL;
344 double x;
345
346 if (!PyArg_Parse(arg, "d:radians", &x)) {
347 goto exit;
348 }
349 return_value = math_radians_impl(module, x);
350
351exit:
352 return return_value;
353}
354
355PyDoc_STRVAR(math_isfinite__doc__,
356"isfinite($module, x, /)\n"
357"--\n"
358"\n"
359"Return True if x is neither an infinity nor a NaN, and False otherwise.");
360
361#define MATH_ISFINITE_METHODDEF \
362 {"isfinite", (PyCFunction)math_isfinite, METH_O, math_isfinite__doc__},
363
364static PyObject *
365math_isfinite_impl(PyObject *module, double x);
366
367static PyObject *
368math_isfinite(PyObject *module, PyObject *arg)
369{
370 PyObject *return_value = NULL;
371 double x;
372
373 if (!PyArg_Parse(arg, "d:isfinite", &x)) {
374 goto exit;
375 }
376 return_value = math_isfinite_impl(module, x);
377
378exit:
379 return return_value;
380}
381
382PyDoc_STRVAR(math_isnan__doc__,
383"isnan($module, x, /)\n"
384"--\n"
385"\n"
386"Return True if x is a NaN (not a number), and False otherwise.");
387
388#define MATH_ISNAN_METHODDEF \
389 {"isnan", (PyCFunction)math_isnan, METH_O, math_isnan__doc__},
390
391static PyObject *
392math_isnan_impl(PyObject *module, double x);
393
394static PyObject *
395math_isnan(PyObject *module, PyObject *arg)
396{
397 PyObject *return_value = NULL;
398 double x;
399
400 if (!PyArg_Parse(arg, "d:isnan", &x)) {
401 goto exit;
402 }
403 return_value = math_isnan_impl(module, x);
404
405exit:
406 return return_value;
407}
408
409PyDoc_STRVAR(math_isinf__doc__,
410"isinf($module, x, /)\n"
411"--\n"
412"\n"
413"Return True if x is a positive or negative infinity, and False otherwise.");
414
415#define MATH_ISINF_METHODDEF \
416 {"isinf", (PyCFunction)math_isinf, METH_O, math_isinf__doc__},
417
418static PyObject *
419math_isinf_impl(PyObject *module, double x);
420
421static PyObject *
422math_isinf(PyObject *module, PyObject *arg)
423{
424 PyObject *return_value = NULL;
425 double x;
426
427 if (!PyArg_Parse(arg, "d:isinf", &x)) {
428 goto exit;
429 }
430 return_value = math_isinf_impl(module, x);
431
432exit:
433 return return_value;
434}
435
436PyDoc_STRVAR(math_isclose__doc__,
437"isclose($module, /, a, b, *, rel_tol=1e-09, abs_tol=0.0)\n"
438"--\n"
439"\n"
440"Determine whether two floating point numbers are close in value.\n"
441"\n"
442" rel_tol\n"
443" maximum difference for being considered \"close\", relative to the\n"
444" magnitude of the input values\n"
445" abs_tol\n"
446" maximum difference for being considered \"close\", regardless of the\n"
447" magnitude of the input values\n"
448"\n"
449"Return True if a is close in value to b, and False otherwise.\n"
450"\n"
451"For the values to be considered close, the difference between them\n"
452"must be smaller than at least one of the tolerances.\n"
453"\n"
454"-inf, inf and NaN behave similarly to the IEEE 754 Standard. That\n"
455"is, NaN is not close to anything, even itself. inf and -inf are\n"
456"only close to themselves.");
457
458#define MATH_ISCLOSE_METHODDEF \
Serhiy Storchaka6969eaf2017-07-03 21:20:15 +0300459 {"isclose", (PyCFunction)math_isclose, METH_FASTCALL|METH_KEYWORDS, math_isclose__doc__},
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200460
461static int
462math_isclose_impl(PyObject *module, double a, double b, double rel_tol,
463 double abs_tol);
464
465static PyObject *
Serhiy Storchakaa5552f02017-12-15 13:11:11 +0200466math_isclose(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200467{
468 PyObject *return_value = NULL;
469 static const char * const _keywords[] = {"a", "b", "rel_tol", "abs_tol", NULL};
470 static _PyArg_Parser _parser = {"dd|$dd:isclose", _keywords, 0};
471 double a;
472 double b;
473 double rel_tol = 1e-09;
474 double abs_tol = 0.0;
475 int _return_value;
476
477 if (!_PyArg_ParseStackAndKeywords(args, nargs, kwnames, &_parser,
478 &a, &b, &rel_tol, &abs_tol)) {
479 goto exit;
480 }
481 _return_value = math_isclose_impl(module, a, b, rel_tol, abs_tol);
482 if ((_return_value == -1) && PyErr_Occurred()) {
483 goto exit;
484 }
485 return_value = PyBool_FromLong((long)_return_value);
486
487exit:
488 return return_value;
489}
Raymond Hettingerc6dabe32018-07-28 07:48:04 -0700490/*[clinic end generated code: output=1c35516a10443902 input=a9049054013a1b77]*/