Mercurial > cpython-lru_cache-weakref
annotate Modules/mathmodule.c @ 1590:ac2e5cc29949 legacy-trunk
Added tests for missing host to open_http and open_gopher
| author | Guido van Rossum <guido@python.org> |
|---|---|
| date | Mon, 18 Apr 1994 09:39:56 +0000 |
| parents | cd397266dc1c |
| children | 1940892d2fe3 |
| rev | line source |
|---|---|
| 145 | 1 /*********************************************************** |
|
1252
c4cd0d9d8281
* Changed many files to use mkvalue() instead of newtupleobject().
Guido van Rossum <guido@python.org>
parents:
795
diff
changeset
|
2 Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum, |
|
c4cd0d9d8281
* Changed many files to use mkvalue() instead of newtupleobject().
Guido van Rossum <guido@python.org>
parents:
795
diff
changeset
|
3 Amsterdam, The Netherlands. |
| 145 | 4 |
| 5 All Rights Reserved | |
| 6 | |
| 7 Permission to use, copy, modify, and distribute this software and its | |
| 8 documentation for any purpose and without fee is hereby granted, | |
| 9 provided that the above copyright notice appear in all copies and that | |
| 10 both that copyright notice and this permission notice appear in | |
| 11 supporting documentation, and that the names of Stichting Mathematisch | |
| 12 Centrum or CWI not be used in advertising or publicity pertaining to | |
| 13 distribution of the software without specific, written prior permission. | |
| 14 | |
| 15 STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO | |
| 16 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
| 17 FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE | |
| 18 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
| 20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT | |
| 21 OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 22 | |
| 23 ******************************************************************/ | |
| 24 | |
| 6 | 25 /* Math module -- standard C math library functions, pi and e */ |
| 26 | |
| 86 | 27 #include "allobjects.h" |
| 6 | 28 |
| 92 | 29 #include <errno.h> |
| 30 | |
| 6 | 31 #include "modsupport.h" |
| 32 | |
|
1313
6ee380349c84
* Added gmtime/localtime/mktime and SYSV timezone globals to timemodule.c.
Guido van Rossum <guido@python.org>
parents:
1271
diff
changeset
|
33 #define getdoublearg(v, a) getargs(v, "d", a) |
|
6ee380349c84
* Added gmtime/localtime/mktime and SYSV timezone globals to timemodule.c.
Guido van Rossum <guido@python.org>
parents:
1271
diff
changeset
|
34 #define get2doublearg(v, a, b) getargs(v, "(dd)", a, b) |
|
6ee380349c84
* Added gmtime/localtime/mktime and SYSV timezone globals to timemodule.c.
Guido van Rossum <guido@python.org>
parents:
1271
diff
changeset
|
35 |
| 86 | 36 #include <math.h> |
| 37 | |
|
1271
2919b448e385
* Microscopic corrections to make things compile on the Cray APP.
Guido van Rossum <guido@python.org>
parents:
1252
diff
changeset
|
38 #ifdef i860 |
|
2919b448e385
* Microscopic corrections to make things compile on the Cray APP.
Guido van Rossum <guido@python.org>
parents:
1252
diff
changeset
|
39 /* Cray APP has bogus definition of HUGE_VAL in <math.h> */ |
|
2919b448e385
* Microscopic corrections to make things compile on the Cray APP.
Guido van Rossum <guido@python.org>
parents:
1252
diff
changeset
|
40 #undef HUGE_VAL |
|
2919b448e385
* Microscopic corrections to make things compile on the Cray APP.
Guido van Rossum <guido@python.org>
parents:
1252
diff
changeset
|
41 #endif |
|
2919b448e385
* Microscopic corrections to make things compile on the Cray APP.
Guido van Rossum <guido@python.org>
parents:
1252
diff
changeset
|
42 |
|
591
9276b3ee3936
Get rid of AMOEBA deps; add declaration of fmod() if __STDC__ is not defined.
Guido van Rossum <guido@python.org>
parents:
498
diff
changeset
|
43 #ifndef __STDC__ |
| 748 | 44 extern double fmod PROTO((double, double)); |
|
591
9276b3ee3936
Get rid of AMOEBA deps; add declaration of fmod() if __STDC__ is not defined.
Guido van Rossum <guido@python.org>
parents:
498
diff
changeset
|
45 #endif |
|
9276b3ee3936
Get rid of AMOEBA deps; add declaration of fmod() if __STDC__ is not defined.
Guido van Rossum <guido@python.org>
parents:
498
diff
changeset
|
46 |
|
498
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
47 #ifdef HUGE_VAL |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
48 #define CHECK(x) if (errno != 0) ; \ |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
49 else if (-HUGE_VAL <= (x) && (x) <= HUGE_VAL) ; \ |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
50 else errno = ERANGE |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
51 #else |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
52 #define CHECK(x) /* Don't know how to check */ |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
53 #endif |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
54 |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
55 static object * |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
56 math_error() |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
57 { |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
58 if (errno == EDOM) |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
59 err_setstr(ValueError, "math domain error"); |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
60 else if (errno == ERANGE) |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
61 err_setstr(OverflowError, "math range error"); |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
62 else |
|
679
6a60342c3107
Get rid of RuntimeError.
Guido van Rossum <guido@python.org>
parents:
591
diff
changeset
|
63 err_errno(ValueError); /* Unexpected math error */ |
|
498
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
64 return NULL; |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
65 } |
|
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
66 |
| 6 | 67 static object * |
| 68 math_1(args, func) | |
| 69 object *args; | |
| 70 double (*func) FPROTO((double)); | |
| 71 { | |
| 72 double x; | |
| 73 if (!getdoublearg(args, &x)) | |
| 74 return NULL; | |
| 75 errno = 0; | |
| 76 x = (*func)(x); | |
|
498
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
77 CHECK(x); |
| 6 | 78 if (errno != 0) |
|
498
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
79 return math_error(); |
| 6 | 80 else |
| 81 return newfloatobject(x); | |
| 82 } | |
| 83 | |
| 84 static object * | |
| 85 math_2(args, func) | |
| 86 object *args; | |
| 87 double (*func) FPROTO((double, double)); | |
| 88 { | |
| 89 double x, y; | |
| 90 if (!get2doublearg(args, &x, &y)) | |
| 91 return NULL; | |
| 92 errno = 0; | |
| 93 x = (*func)(x, y); | |
|
498
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
94 CHECK(x); |
| 6 | 95 if (errno != 0) |
|
498
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
96 return math_error(); |
| 6 | 97 else |
| 98 return newfloatobject(x); | |
| 99 } | |
| 100 | |
| 101 #define FUNC1(stubname, func) \ | |
| 102 static object * stubname(self, args) object *self, *args; { \ | |
| 103 return math_1(args, func); \ | |
| 104 } | |
| 105 | |
| 106 #define FUNC2(stubname, func) \ | |
| 107 static object * stubname(self, args) object *self, *args; { \ | |
| 108 return math_2(args, func); \ | |
| 109 } | |
| 110 | |
| 111 FUNC1(math_acos, acos) | |
| 112 FUNC1(math_asin, asin) | |
| 113 FUNC1(math_atan, atan) | |
| 114 FUNC2(math_atan2, atan2) | |
| 115 FUNC1(math_ceil, ceil) | |
| 116 FUNC1(math_cos, cos) | |
| 117 FUNC1(math_cosh, cosh) | |
| 118 FUNC1(math_exp, exp) | |
| 119 FUNC1(math_fabs, fabs) | |
| 120 FUNC1(math_floor, floor) | |
| 121 FUNC2(math_fmod, fmod) | |
| 122 FUNC1(math_log, log) | |
| 123 FUNC1(math_log10, log10) | |
|
320
26426c42a162
Add some err_errno calls that were missing
Guido van Rossum <guido@python.org>
parents:
289
diff
changeset
|
124 #ifdef MPW_3_1 /* This hack is needed for MPW 3.1 but not for 3.2 ... */ |
|
289
c4c278c56e90
Apparently MPW has power() instead of pow().
Guido van Rossum <guido@python.org>
parents:
168
diff
changeset
|
125 FUNC2(math_pow, power) |
|
c4c278c56e90
Apparently MPW has power() instead of pow().
Guido van Rossum <guido@python.org>
parents:
168
diff
changeset
|
126 #else |
| 6 | 127 FUNC2(math_pow, pow) |
|
289
c4c278c56e90
Apparently MPW has power() instead of pow().
Guido van Rossum <guido@python.org>
parents:
168
diff
changeset
|
128 #endif |
| 6 | 129 FUNC1(math_sin, sin) |
| 130 FUNC1(math_sinh, sinh) | |
| 131 FUNC1(math_sqrt, sqrt) | |
| 132 FUNC1(math_tan, tan) | |
| 133 FUNC1(math_tanh, tanh) | |
| 134 | |
|
438
64bc8a284fb3
Added PROTO macro where needed.
Guido van Rossum <guido@python.org>
parents:
407
diff
changeset
|
135 double frexp PROTO((double, int *)); |
|
64bc8a284fb3
Added PROTO macro where needed.
Guido van Rossum <guido@python.org>
parents:
407
diff
changeset
|
136 double ldexp PROTO((double, int)); |
|
64bc8a284fb3
Added PROTO macro where needed.
Guido van Rossum <guido@python.org>
parents:
407
diff
changeset
|
137 double modf PROTO((double, double *)); |
|
407
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
138 |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
139 static object * |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
140 math_frexp(self, args) |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
141 object *self; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
142 object *args; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
143 { |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
144 double x; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
145 int i; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
146 if (!getdoublearg(args, &x)) |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
147 return NULL; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
148 errno = 0; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
149 x = frexp(x, &i); |
|
498
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
150 CHECK(x); |
|
407
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
151 if (errno != 0) |
|
498
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
152 return math_error(); |
|
1252
c4cd0d9d8281
* Changed many files to use mkvalue() instead of newtupleobject().
Guido van Rossum <guido@python.org>
parents:
795
diff
changeset
|
153 return mkvalue("(di)", x, i); |
|
407
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
154 } |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
155 |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
156 static object * |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
157 math_ldexp(self, args) |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
158 object *self; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
159 object *args; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
160 { |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
161 double x, y; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
162 /* Cheat -- allow float as second argument */ |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
163 if (!get2doublearg(args, &x, &y)) |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
164 return NULL; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
165 errno = 0; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
166 x = ldexp(x, (int)y); |
|
498
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
167 CHECK(x); |
|
407
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
168 if (errno != 0) |
|
498
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
169 return math_error(); |
|
407
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
170 else |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
171 return newfloatobject(x); |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
172 } |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
173 |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
174 static object * |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
175 math_modf(self, args) |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
176 object *self; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
177 object *args; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
178 { |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
179 double x, y; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
180 if (!getdoublearg(args, &x)) |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
181 return NULL; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
182 errno = 0; |
|
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
183 x = modf(x, &y); |
|
498
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
184 CHECK(x); |
|
407
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
185 if (errno != 0) |
|
498
56bb1067a880
Improve error handling.
Guido van Rossum <guido@python.org>
parents:
438
diff
changeset
|
186 return math_error(); |
|
1252
c4cd0d9d8281
* Changed many files to use mkvalue() instead of newtupleobject().
Guido van Rossum <guido@python.org>
parents:
795
diff
changeset
|
187 return mkvalue("(dd)", x, y); |
|
407
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
188 } |
| 6 | 189 |
| 190 static struct methodlist math_methods[] = { | |
| 191 {"acos", math_acos}, | |
| 192 {"asin", math_asin}, | |
| 193 {"atan", math_atan}, | |
| 194 {"atan2", math_atan2}, | |
| 195 {"ceil", math_ceil}, | |
| 196 {"cos", math_cos}, | |
| 197 {"cosh", math_cosh}, | |
| 198 {"exp", math_exp}, | |
| 199 {"fabs", math_fabs}, | |
| 200 {"floor", math_floor}, | |
| 201 {"fmod", math_fmod}, | |
|
407
9b3d557665a9
Added frexp, ldexp, modf, fmod.
Guido van Rossum <guido@python.org>
parents:
320
diff
changeset
|
202 {"frexp", math_frexp}, |
| 6 | 203 {"ldexp", math_ldexp}, |
| 204 {"log", math_log}, | |
| 205 {"log10", math_log10}, | |
| 206 {"modf", math_modf}, | |
| 207 {"pow", math_pow}, | |
| 208 {"sin", math_sin}, | |
| 209 {"sinh", math_sinh}, | |
| 210 {"sqrt", math_sqrt}, | |
| 211 {"tan", math_tan}, | |
| 212 {"tanh", math_tanh}, | |
| 213 {NULL, NULL} /* sentinel */ | |
| 214 }; | |
| 215 | |
| 216 void | |
| 217 initmath() | |
| 218 { | |
| 219 object *m, *d, *v; | |
|
42
4835c2d38b84
Take out duplication of code in initmodule().
Guido van Rossum <guido@python.org>
parents:
6
diff
changeset
|
220 |
|
4835c2d38b84
Take out duplication of code in initmodule().
Guido van Rossum <guido@python.org>
parents:
6
diff
changeset
|
221 m = initmodule("math", math_methods); |
| 6 | 222 d = getmoduledict(m); |
|
75
85eed060a46c
DECREF pi and e after inserting in symbol table.
Guido van Rossum <guido@python.org>
parents:
42
diff
changeset
|
223 dictinsert(d, "pi", v = newfloatobject(atan(1.0) * 4.0)); |
|
85eed060a46c
DECREF pi and e after inserting in symbol table.
Guido van Rossum <guido@python.org>
parents:
42
diff
changeset
|
224 DECREF(v); |
|
85eed060a46c
DECREF pi and e after inserting in symbol table.
Guido van Rossum <guido@python.org>
parents:
42
diff
changeset
|
225 dictinsert(d, "e", v = newfloatobject(exp(1.0))); |
|
85eed060a46c
DECREF pi and e after inserting in symbol table.
Guido van Rossum <guido@python.org>
parents:
42
diff
changeset
|
226 DECREF(v); |
| 6 | 227 } |