blob: c4d2786341013adffaa21a4a4c34effe8757217d [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
Raymond Hettinger9c18b1a2018-07-31 00:45:49 -0700272PyDoc_STRVAR(math_dist__doc__,
273"dist($module, p, q, /)\n"
274"--\n"
275"\n"
276"Return the Euclidean distance between two points p and q.\n"
277"\n"
278"The points should be specified as tuples of coordinates.\n"
279"Both tuples must be the same size.\n"
280"\n"
281"Roughly equivalent to:\n"
282" sqrt(sum((px - qx) ** 2.0 for px, qx in zip(p, q)))");
283
284#define MATH_DIST_METHODDEF \
285 {"dist", (PyCFunction)math_dist, METH_FASTCALL, math_dist__doc__},
286
287static PyObject *
288math_dist_impl(PyObject *module, PyObject *p, PyObject *q);
289
290static PyObject *
291math_dist(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
292{
293 PyObject *return_value = NULL;
294 PyObject *p;
295 PyObject *q;
296
297 if (!_PyArg_ParseStack(args, nargs, "O!O!:dist",
298 &PyTuple_Type, &p, &PyTuple_Type, &q)) {
299 goto exit;
300 }
301 return_value = math_dist_impl(module, p, q);
302
303exit:
304 return return_value;
305}
306
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200307PyDoc_STRVAR(math_pow__doc__,
308"pow($module, x, y, /)\n"
309"--\n"
310"\n"
311"Return x**y (x to the power of y).");
312
313#define MATH_POW_METHODDEF \
314 {"pow", (PyCFunction)math_pow, METH_FASTCALL, math_pow__doc__},
315
316static PyObject *
317math_pow_impl(PyObject *module, double x, double y);
318
319static PyObject *
Serhiy Storchakaa5552f02017-12-15 13:11:11 +0200320math_pow(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200321{
322 PyObject *return_value = NULL;
323 double x;
324 double y;
325
Sylvain74453812017-06-10 06:51:48 +0200326 if (!_PyArg_ParseStack(args, nargs, "dd:pow",
327 &x, &y)) {
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200328 goto exit;
329 }
330 return_value = math_pow_impl(module, x, y);
331
332exit:
333 return return_value;
334}
335
336PyDoc_STRVAR(math_degrees__doc__,
337"degrees($module, x, /)\n"
338"--\n"
339"\n"
340"Convert angle x from radians to degrees.");
341
342#define MATH_DEGREES_METHODDEF \
343 {"degrees", (PyCFunction)math_degrees, METH_O, math_degrees__doc__},
344
345static PyObject *
346math_degrees_impl(PyObject *module, double x);
347
348static PyObject *
349math_degrees(PyObject *module, PyObject *arg)
350{
351 PyObject *return_value = NULL;
352 double x;
353
354 if (!PyArg_Parse(arg, "d:degrees", &x)) {
355 goto exit;
356 }
357 return_value = math_degrees_impl(module, x);
358
359exit:
360 return return_value;
361}
362
363PyDoc_STRVAR(math_radians__doc__,
364"radians($module, x, /)\n"
365"--\n"
366"\n"
367"Convert angle x from degrees to radians.");
368
369#define MATH_RADIANS_METHODDEF \
370 {"radians", (PyCFunction)math_radians, METH_O, math_radians__doc__},
371
372static PyObject *
373math_radians_impl(PyObject *module, double x);
374
375static PyObject *
376math_radians(PyObject *module, PyObject *arg)
377{
378 PyObject *return_value = NULL;
379 double x;
380
381 if (!PyArg_Parse(arg, "d:radians", &x)) {
382 goto exit;
383 }
384 return_value = math_radians_impl(module, x);
385
386exit:
387 return return_value;
388}
389
390PyDoc_STRVAR(math_isfinite__doc__,
391"isfinite($module, x, /)\n"
392"--\n"
393"\n"
394"Return True if x is neither an infinity nor a NaN, and False otherwise.");
395
396#define MATH_ISFINITE_METHODDEF \
397 {"isfinite", (PyCFunction)math_isfinite, METH_O, math_isfinite__doc__},
398
399static PyObject *
400math_isfinite_impl(PyObject *module, double x);
401
402static PyObject *
403math_isfinite(PyObject *module, PyObject *arg)
404{
405 PyObject *return_value = NULL;
406 double x;
407
408 if (!PyArg_Parse(arg, "d:isfinite", &x)) {
409 goto exit;
410 }
411 return_value = math_isfinite_impl(module, x);
412
413exit:
414 return return_value;
415}
416
417PyDoc_STRVAR(math_isnan__doc__,
418"isnan($module, x, /)\n"
419"--\n"
420"\n"
421"Return True if x is a NaN (not a number), and False otherwise.");
422
423#define MATH_ISNAN_METHODDEF \
424 {"isnan", (PyCFunction)math_isnan, METH_O, math_isnan__doc__},
425
426static PyObject *
427math_isnan_impl(PyObject *module, double x);
428
429static PyObject *
430math_isnan(PyObject *module, PyObject *arg)
431{
432 PyObject *return_value = NULL;
433 double x;
434
435 if (!PyArg_Parse(arg, "d:isnan", &x)) {
436 goto exit;
437 }
438 return_value = math_isnan_impl(module, x);
439
440exit:
441 return return_value;
442}
443
444PyDoc_STRVAR(math_isinf__doc__,
445"isinf($module, x, /)\n"
446"--\n"
447"\n"
448"Return True if x is a positive or negative infinity, and False otherwise.");
449
450#define MATH_ISINF_METHODDEF \
451 {"isinf", (PyCFunction)math_isinf, METH_O, math_isinf__doc__},
452
453static PyObject *
454math_isinf_impl(PyObject *module, double x);
455
456static PyObject *
457math_isinf(PyObject *module, PyObject *arg)
458{
459 PyObject *return_value = NULL;
460 double x;
461
462 if (!PyArg_Parse(arg, "d:isinf", &x)) {
463 goto exit;
464 }
465 return_value = math_isinf_impl(module, x);
466
467exit:
468 return return_value;
469}
470
471PyDoc_STRVAR(math_isclose__doc__,
472"isclose($module, /, a, b, *, rel_tol=1e-09, abs_tol=0.0)\n"
473"--\n"
474"\n"
475"Determine whether two floating point numbers are close in value.\n"
476"\n"
477" rel_tol\n"
478" maximum difference for being considered \"close\", relative to the\n"
479" magnitude of the input values\n"
480" abs_tol\n"
481" maximum difference for being considered \"close\", regardless of the\n"
482" magnitude of the input values\n"
483"\n"
484"Return True if a is close in value to b, and False otherwise.\n"
485"\n"
486"For the values to be considered close, the difference between them\n"
487"must be smaller than at least one of the tolerances.\n"
488"\n"
489"-inf, inf and NaN behave similarly to the IEEE 754 Standard. That\n"
490"is, NaN is not close to anything, even itself. inf and -inf are\n"
491"only close to themselves.");
492
493#define MATH_ISCLOSE_METHODDEF \
Serhiy Storchaka6969eaf2017-07-03 21:20:15 +0300494 {"isclose", (PyCFunction)math_isclose, METH_FASTCALL|METH_KEYWORDS, math_isclose__doc__},
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200495
496static int
497math_isclose_impl(PyObject *module, double a, double b, double rel_tol,
498 double abs_tol);
499
500static PyObject *
Serhiy Storchakaa5552f02017-12-15 13:11:11 +0200501math_isclose(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
Serhiy Storchakac9ea9332017-01-19 18:13:09 +0200502{
503 PyObject *return_value = NULL;
504 static const char * const _keywords[] = {"a", "b", "rel_tol", "abs_tol", NULL};
505 static _PyArg_Parser _parser = {"dd|$dd:isclose", _keywords, 0};
506 double a;
507 double b;
508 double rel_tol = 1e-09;
509 double abs_tol = 0.0;
510 int _return_value;
511
512 if (!_PyArg_ParseStackAndKeywords(args, nargs, kwnames, &_parser,
513 &a, &b, &rel_tol, &abs_tol)) {
514 goto exit;
515 }
516 _return_value = math_isclose_impl(module, a, b, rel_tol, abs_tol);
517 if ((_return_value == -1) && PyErr_Occurred()) {
518 goto exit;
519 }
520 return_value = PyBool_FromLong((long)_return_value);
521
522exit:
523 return return_value;
524}
Raymond Hettinger9c18b1a2018-07-31 00:45:49 -0700525/*[clinic end generated code: output=d936137c1189b89b input=a9049054013a1b77]*/