Mercurial > cpython-lru_cache-weakref

annotate Objects/complexobject.c @ 46004:04c2148564e4 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Test decimal.rst doctests as far as possible with sphinx doctest.
author Georg Brandl <georg@python.org>
date Sat, 22 Mar 2008 11:47:10 +0000
parents a235673b9f8e
children 1e10b30f7498
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
1
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
2 /* Complex object implementation */
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
3
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
4 /* Borrows heavily from floatobject.c */
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
5
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
6 /* Submitted by Jim Hugunin */
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
7
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
8 #include "Python.h"
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
9 #include "structmember.h"
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
10
23820
130fff486fa6 Rearrange the #ifndef WITHOUT_COMPLEX so it can be picked up from
Guido van Rossum <guido@python.org>
parents: 23703
diff changeset
11 #ifndef WITHOUT_COMPLEX
130fff486fa6 Rearrange the #ifndef WITHOUT_COMPLEX so it can be picked up from
Guido van Rossum <guido@python.org>
parents: 23703
diff changeset
12
17029
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
13 /* Precisions used by repr() and str(), respectively.
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
14
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
15 The repr() precision (17 significant decimal digits) is the minimal number
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
16 that is guaranteed to have enough precision so that if the number is read
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
17 back in the exact same binary value is recreated. This is true for IEEE
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
18 floating point by design, and also happens to work for all other modern
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
19 hardware.
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
20
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
21 The str() precision is chosen so that in most cases, the rounding noise
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
22 created by various operations is suppressed, while giving plenty of
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
23 precision for practical use.
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
24 */
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
25
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
26 #define PREC_REPR 17
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
27 #define PREC_STR 12
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
28
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
29 /* elementary operations on complex numbers */
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
30
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
31 static Py_complex c_1 = {1., 0.};
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
32
17066
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
33 Py_complex
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
34 c_sum(Py_complex a, Py_complex b)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
35 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
36 Py_complex r;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
37 r.real = a.real + b.real;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
38 r.imag = a.imag + b.imag;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
39 return r;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
40 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
41
17066
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
42 Py_complex
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
43 c_diff(Py_complex a, Py_complex b)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
44 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
45 Py_complex r;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
46 r.real = a.real - b.real;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
47 r.imag = a.imag - b.imag;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
48 return r;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
49 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
50
17066
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
51 Py_complex
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
52 c_neg(Py_complex a)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
53 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
54 Py_complex r;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
55 r.real = -a.real;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
56 r.imag = -a.imag;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
57 return r;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
58 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
59
17066
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
60 Py_complex
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
61 c_prod(Py_complex a, Py_complex b)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
62 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
63 Py_complex r;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
64 r.real = a.real*b.real - a.imag*b.imag;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
65 r.imag = a.real*b.imag + a.imag*b.real;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
66 return r;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
67 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
68
17066
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
69 Py_complex
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
70 c_quot(Py_complex a, Py_complex b)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
71 {
17066
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
72 /******************************************************************
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
73 This was the original algorithm. It's grossly prone to spurious
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
74 overflow and underflow errors. It also merrily divides by 0 despite
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
75 checking for that(!). The code still serves a doc purpose here, as
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
76 the algorithm following is a simple by-cases transformation of this
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
77 one:
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
78
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
79 Py_complex r;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
80 double d = b.real*b.real + b.imag*b.imag;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
81 if (d == 0.)
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
82 errno = EDOM;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
83 r.real = (a.real*b.real + a.imag*b.imag)/d;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
84 r.imag = (a.imag*b.real - a.real*b.imag)/d;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
85 return r;
17066
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
86 ******************************************************************/
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
87
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
88 /* This algorithm is better, and is pretty obvious: first divide the
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
89 * numerators and denominator by whichever of {b.real, b.imag} has
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
90 * larger magnitude. The earliest reference I found was to CACM
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
91 * Algorithm 116 (Complex Division, Robert L. Smith, Stanford
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
92 * University). As usual, though, we're still ignoring all IEEE
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
93 * endcases.
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
94 */
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
95 Py_complex r; /* the result */
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
96 const double abs_breal = b.real < 0 ? -b.real : b.real;
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
97 const double abs_bimag = b.imag < 0 ? -b.imag : b.imag;
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
98
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
99 if (abs_breal >= abs_bimag) {
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
100 /* divide tops and bottom by b.real */
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
101 if (abs_breal == 0.0) {
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
102 errno = EDOM;
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
103 r.real = r.imag = 0.0;
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
104 }
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
105 else {
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
106 const double ratio = b.imag / b.real;
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
107 const double denom = b.real + b.imag * ratio;
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
108 r.real = (a.real + a.imag * ratio) / denom;
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
109 r.imag = (a.imag - a.real * ratio) / denom;
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
110 }
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
111 }
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
112 else {
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
113 /* divide tops and bottom by b.imag */
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
114 const double ratio = b.real / b.imag;
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
115 const double denom = b.real * ratio + b.imag;
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
116 assert(b.imag != 0.0);
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
117 r.real = (a.real * ratio + a.imag) / denom;
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
118 r.imag = (a.imag * ratio - a.real) / denom;
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
119 }
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
120 return r;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
121 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
122
17066
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
123 Py_complex
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
124 c_pow(Py_complex a, Py_complex b)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
125 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
126 Py_complex r;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
127 double vabs,len,at,phase;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
128 if (b.real == 0. && b.imag == 0.) {
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
129 r.real = 1.;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
130 r.imag = 0.;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
131 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
132 else if (a.real == 0. && a.imag == 0.) {
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
133 if (b.imag != 0. || b.real < 0.)
22540
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
134 errno = EDOM;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
135 r.real = 0.;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
136 r.imag = 0.;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
137 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
138 else {
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
139 vabs = hypot(a.real,a.imag);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
140 len = pow(vabs,b.real);
19758
64bcef1702ad Revert parts of patch #453627, documenting the resulting test failures
Martin v. Löwis <martin@v.loewis.de>
parents: 19730
diff changeset
141 at = atan2(a.imag, a.real);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
142 phase = at*b.real;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
143 if (b.imag != 0.0) {
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
144 len /= exp(at*b.imag);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
145 phase += b.imag*log(vabs);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
146 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
147 r.real = len*cos(phase);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
148 r.imag = len*sin(phase);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
149 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
150 return r;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
151 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
152
17066
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
153 static Py_complex
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
154 c_powu(Py_complex x, long n)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
155 {
4025
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
156 Py_complex r, p;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
157 long mask = 1;
4025
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
158 r = c_1;
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
159 p = x;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
160 while (mask > 0 && n >= mask) {
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
161 if (n & mask)
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
162 r = c_prod(r,p);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
163 mask <<= 1;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
164 p = c_prod(p,p);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
165 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
166 return r;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
167 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
168
17066
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
169 static Py_complex
2c1be7924b04 SF bug [ #409448 ] Complex division is braindead
Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
170 c_powi(Py_complex x, long n)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
171 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
172 Py_complex cn;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
173
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
174 if (n > 100 || n < -100) {
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
175 cn.real = (double) n;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
176 cn.imag = 0.;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
177 return c_pow(x,cn);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
178 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
179 else if (n > 0)
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
180 return c_powu(x,n);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
181 else
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
182 return c_quot(c_1,c_powu(x,-n));
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
183
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
184 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
185
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
186 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
187 complex_subtype_from_c_complex(PyTypeObject *type, Py_complex cval)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
188 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
189 PyObject *op;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
190
38533
3031a7110da9 Correctly allocate complex types with tp_alloc. (bug #1498638)
Georg Brandl <georg@python.org>
parents: 37815
diff changeset
191 op = type->tp_alloc(type, 0);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
192 if (op != NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
193 ((PyComplexObject *)op)->cval = cval;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
194 return op;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
195 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
196
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
197 PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
198 PyComplex_FromCComplex(Py_complex cval)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
199 {
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
200 register PyComplexObject *op;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
201
24898
a869d2de536f Call me anal, but there was a particular phrase that was speading to
Guido van Rossum <guido@python.org>
parents: 23832
diff changeset
202 /* Inline PyObject_New */
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
203 op = (PyComplexObject *) PyObject_MALLOC(sizeof(PyComplexObject));
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
204 if (op == NULL)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
205 return PyErr_NoMemory();
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
206 PyObject_INIT(op, &PyComplex_Type);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
207 op->cval = cval;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
208 return (PyObject *) op;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
209 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
210
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
211 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
212 complex_subtype_from_doubles(PyTypeObject *type, double real, double imag)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
213 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
214 Py_complex c;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
215 c.real = real;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
216 c.imag = imag;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
217 return complex_subtype_from_c_complex(type, c);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
218 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
219
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
220 PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
221 PyComplex_FromDoubles(double real, double imag)
4025
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
222 {
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
223 Py_complex c;
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
224 c.real = real;
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
225 c.imag = imag;
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
226 return PyComplex_FromCComplex(c);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
227 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
228
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
229 double
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
230 PyComplex_RealAsDouble(PyObject *op)
4025
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
231 {
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
232 if (PyComplex_Check(op)) {
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
233 return ((PyComplexObject *)op)->cval.real;
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
234 }
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
235 else {
4025
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
236 return PyFloat_AsDouble(op);
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
237 }
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
238 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
239
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
240 double
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
241 PyComplex_ImagAsDouble(PyObject *op)
4025
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
242 {
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
243 if (PyComplex_Check(op)) {
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
244 return ((PyComplexObject *)op)->cval.imag;
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
245 }
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
246 else {
4025
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
247 return 0.0;
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
248 }
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
249 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
250
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
251 Py_complex
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
252 PyComplex_AsCComplex(PyObject *op)
4025
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
253 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
254 Py_complex cv;
41219
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
255 PyObject *newop = NULL;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
256 static PyObject *complex_str = NULL;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
257
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
258 assert(op);
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
259 /* If op is already of type PyComplex_Type, return its value */
3328
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
260 if (PyComplex_Check(op)) {
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
261 return ((PyComplexObject *)op)->cval;
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
262 }
41219
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
263 /* If not, use op's __complex__ method, if it exists */
45028
1c9ac00c4758 static PyObject* variables should use PyString_InternFromString() instead of PyObject_FromString() to store a python string in a function level static var.
Christian Heimes <christian@cheimes.de>
parents: 44760
diff changeset
264
41219
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
265 /* return -1 on failure */
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
266 cv.real = -1.;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
267 cv.imag = 0.;
45028
1c9ac00c4758 static PyObject* variables should use PyString_InternFromString() instead of PyObject_FromString() to store a python string in a function level static var.
Christian Heimes <christian@cheimes.de>
parents: 44760
diff changeset
268
1c9ac00c4758 static PyObject* variables should use PyString_InternFromString() instead of PyObject_FromString() to store a python string in a function level static var.
Christian Heimes <christian@cheimes.de>
parents: 44760
diff changeset
269 if (complex_str == NULL) {
1c9ac00c4758 static PyObject* variables should use PyString_InternFromString() instead of PyObject_FromString() to store a python string in a function level static var.
Christian Heimes <christian@cheimes.de>
parents: 44760
diff changeset
270 if (!(complex_str = PyString_InternFromString("__complex__")))
1c9ac00c4758 static PyObject* variables should use PyString_InternFromString() instead of PyObject_FromString() to store a python string in a function level static var.
Christian Heimes <christian@cheimes.de>
parents: 44760
diff changeset
271 return cv;
1c9ac00c4758 static PyObject* variables should use PyString_InternFromString() instead of PyObject_FromString() to store a python string in a function level static var.
Christian Heimes <christian@cheimes.de>
parents: 44760
diff changeset
272 }
41219
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
273
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
274 if (PyInstance_Check(op)) {
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
275 /* this can go away in python 3000 */
45028
1c9ac00c4758 static PyObject* variables should use PyString_InternFromString() instead of PyObject_FromString() to store a python string in a function level static var.
Christian Heimes <christian@cheimes.de>
parents: 44760
diff changeset
276 if (PyObject_HasAttr(op, complex_str)) {
41219
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
277 newop = PyObject_CallMethod(op, "__complex__", NULL);
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
278 if (!newop)
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
279 return cv;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
280 }
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
281 /* else try __float__ */
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
282 } else {
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
283 PyObject *complexfunc;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
284 complexfunc = _PyType_Lookup(op->ob_type, complex_str);
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
285 /* complexfunc is a borrowed reference */
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
286 if (complexfunc) {
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
287 newop = PyObject_CallFunctionObjArgs(complexfunc, op, NULL);
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
288 if (!newop)
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
289 return cv;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
290 }
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
291 }
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
292
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
293 if (newop) {
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
294 if (!PyComplex_Check(newop)) {
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
295 PyErr_SetString(PyExc_TypeError,
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
296 "__complex__ should return a complex object");
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
297 Py_DECREF(newop);
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
298 return cv;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
299 }
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
300 cv = ((PyComplexObject *)newop)->cval;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
301 Py_DECREF(newop);
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
302 return cv;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
303 }
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
304 /* If neither of the above works, interpret op as a float giving the
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
305 real part of the result, and fill in the imaginary part as 0. */
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
306 else {
41219
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
307 /* PyFloat_AsDouble will return -1 on failure */
3328
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
308 cv.real = PyFloat_AsDouble(op);
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
309 return cv;
17029
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
310 }
3328
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
311 }
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
312
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
313 static void
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
314 complex_dealloc(PyObject *op)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
315 {
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
316 op->ob_type->tp_free(op);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
317 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
318
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
319
3608
8573e65fa948 make some things static
Guido van Rossum <guido@python.org>
parents: 3350
diff changeset
320 static void
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
321 complex_to_buf(char *buf, int bufsz, PyComplexObject *v, int precision)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
322 {
32305
13656d58d450 Patch #774665: Make Python LC_NUMERIC agnostic.
Martin v. Löwis <martin@v.loewis.de>
parents: 30683
diff changeset
323 char format[32];
13656d58d450 Patch #774665: Make Python LC_NUMERIC agnostic.
Martin v. Löwis <martin@v.loewis.de>
parents: 30683
diff changeset
324 if (v->cval.real == 0.) {
45357
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
325 if (!Py_IS_FINITE(v->cval.imag)) {
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
326 if (Py_IS_NAN(v->cval.imag))
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
327 strncpy(buf, "nan*j", 6);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
328 /* else if (copysign(1, v->cval.imag) == 1) */
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
329 else if (v->cval.imag > 0)
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
330 strncpy(buf, "inf*j", 6);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
331 else
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
332 strncpy(buf, "-inf*j", 7);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
333 }
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
334 else {
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
335 PyOS_snprintf(format, sizeof(format), "%%.%ig", precision);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
336 PyOS_ascii_formatd(buf, bufsz - 1, format, v->cval.imag);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
337 strncat(buf, "j", 1);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
338 }
32305
13656d58d450 Patch #774665: Make Python LC_NUMERIC agnostic.
Martin v. Löwis <martin@v.loewis.de>
parents: 30683
diff changeset
339 } else {
13656d58d450 Patch #774665: Make Python LC_NUMERIC agnostic.
Martin v. Löwis <martin@v.loewis.de>
parents: 30683
diff changeset
340 char re[64], im[64];
35580
f4c2c61cb560 backport patch [ 1118729 ] Error in representation of complex numbers(again)
Georg Brandl <georg@python.org>
parents: 34195
diff changeset
341 /* Format imaginary part with sign, real part without */
45357
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
342 if (!Py_IS_FINITE(v->cval.real)) {
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
343 if (Py_IS_NAN(v->cval.real))
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
344 strncpy(re, "nan", 4);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
345 /* else if (copysign(1, v->cval.real) == 1) */
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
346 else if (v->cval.real > 0)
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
347 strncpy(re, "inf", 4);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
348 else
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
349 strncpy(re, "-inf", 5);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
350 }
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
351 else {
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
352 PyOS_snprintf(format, sizeof(format), "%%.%ig", precision);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
353 PyOS_ascii_formatd(re, sizeof(re), format, v->cval.real);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
354 }
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
355 if (!Py_IS_FINITE(v->cval.imag)) {
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
356 if (Py_IS_NAN(v->cval.imag))
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
357 strncpy(im, "+nan*", 6);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
358 /* else if (copysign(1, v->cval.imag) == 1) */
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
359 else if (v->cval.imag > 0)
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
360 strncpy(im, "+inf*", 6);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
361 else
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
362 strncpy(im, "-inf*", 6);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
363 }
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
364 else {
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
365 PyOS_snprintf(format, sizeof(format), "%%+.%ig", precision);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
366 PyOS_ascii_formatd(im, sizeof(im), format, v->cval.imag);
a235673b9f8e Fixed repr() and str() of complex numbers. Complex suffered from the same problem as floats but I forgot to test and fix them.
Christian Heimes <christian@cheimes.de>
parents: 45028
diff changeset
367 }
35580
f4c2c61cb560 backport patch [ 1118729 ] Error in representation of complex numbers(again)
Georg Brandl <georg@python.org>
parents: 34195
diff changeset
368 PyOS_snprintf(buf, bufsz, "(%s%sj)", re, im);
32305
13656d58d450 Patch #774665: Make Python LC_NUMERIC agnostic.
Martin v. Löwis <martin@v.loewis.de>
parents: 30683
diff changeset
369 }
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
370 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
371
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
372 static int
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
373 complex_print(PyComplexObject *v, FILE *fp, int flags)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
374 {
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
375 char buf[100];
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
376 complex_to_buf(buf, sizeof(buf), v,
17029
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
377 (flags & Py_PRINT_RAW) ? PREC_STR : PREC_REPR);
43378
7630248b593c Add a bunch of GIL release/acquire points in tp_print implementations and for
Brett Cannon <bcannon@gmail.com>
parents: 42333
diff changeset
378 Py_BEGIN_ALLOW_THREADS
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
379 fputs(buf, fp);
43378
7630248b593c Add a bunch of GIL release/acquire points in tp_print implementations and for
Brett Cannon <bcannon@gmail.com>
parents: 42333
diff changeset
380 Py_END_ALLOW_THREADS
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
381 return 0;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
382 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
383
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
384 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
385 complex_repr(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
386 {
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
387 char buf[100];
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
388 complex_to_buf(buf, sizeof(buf), v, PREC_REPR);
17029
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
389 return PyString_FromString(buf);
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
390 }
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
391
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
392 static PyObject *
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
393 complex_str(PyComplexObject *v)
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
394 {
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
395 char buf[100];
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
396 complex_to_buf(buf, sizeof(buf), v, PREC_STR);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
397 return PyString_FromString(buf);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
398 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
399
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
400 static long
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
401 complex_hash(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
402 {
13976
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
403 long hashreal, hashimag, combined;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
404 hashreal = _Py_HashDouble(v->cval.real);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
405 if (hashreal == -1)
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
406 return -1;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
407 hashimag = _Py_HashDouble(v->cval.imag);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
408 if (hashimag == -1)
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
409 return -1;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
410 /* Note: if the imaginary part is 0, hashimag is 0 now,
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
411 * so the following returns hashreal unchanged. This is
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
412 * important because numbers of different types that
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
413 * compare equal must have the same hash value, so that
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
414 * hash(x + 0*j) must equal hash(x).
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
415 */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
416 combined = hashreal + 1000003 * hashimag;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
417 if (combined == -1)
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
418 combined = -2;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
419 return combined;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
420 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
421
44432
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
422 /* This macro may return! */
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
423 #define TO_COMPLEX(obj, c) \
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
424 if (PyComplex_Check(obj)) \
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
425 c = ((PyComplexObject *)(obj))->cval; \
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
426 else if (to_complex(&(obj), &(c)) < 0) \
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
427 return (obj)
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
428
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
429 static int
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
430 to_complex(PyObject **pobj, Py_complex *pc)
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
431 {
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
432 PyObject *obj = *pobj;
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
433
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
434 pc->real = pc->imag = 0.0;
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
435 if (PyInt_Check(obj)) {
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
436 pc->real = PyInt_AS_LONG(obj);
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
437 return 0;
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
438 }
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
439 if (PyLong_Check(obj)) {
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
440 pc->real = PyLong_AsDouble(obj);
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
441 if (pc->real == -1.0 && PyErr_Occurred()) {
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
442 *pobj = NULL;
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
443 return -1;
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
444 }
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
445 return 0;
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
446 }
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
447 if (PyFloat_Check(obj)) {
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
448 pc->real = PyFloat_AsDouble(obj);
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
449 return 0;
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
450 }
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
451 Py_INCREF(Py_NotImplemented);
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
452 *pobj = Py_NotImplemented;
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
453 return -1;
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
454 }
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
455
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
456
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
457 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
458 complex_add(PyComplexObject *v, PyComplexObject *w)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
459 {
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
460 Py_complex result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
461 PyFPE_START_PROTECT("complex_add", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
462 result = c_sum(v->cval,w->cval);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
463 PyFPE_END_PROTECT(result)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
464 return PyComplex_FromCComplex(result);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
465 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
466
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
467 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
468 complex_sub(PyComplexObject *v, PyComplexObject *w)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
469 {
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
470 Py_complex result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
471 PyFPE_START_PROTECT("complex_sub", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
472 result = c_diff(v->cval,w->cval);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
473 PyFPE_END_PROTECT(result)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
474 return PyComplex_FromCComplex(result);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
475 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
476
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
477 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
478 complex_mul(PyComplexObject *v, PyComplexObject *w)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
479 {
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
480 Py_complex result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
481 PyFPE_START_PROTECT("complex_mul", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
482 result = c_prod(v->cval,w->cval);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
483 PyFPE_END_PROTECT(result)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
484 return PyComplex_FromCComplex(result);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
485 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
486
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
487 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
488 complex_div(PyComplexObject *v, PyComplexObject *w)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
489 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
490 Py_complex quot;
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
491 PyFPE_START_PROTECT("complex_div", return 0)
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
492 errno = 0;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
493 quot = c_quot(v->cval,w->cval);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
494 PyFPE_END_PROTECT(quot)
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
495 if (errno == EDOM) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
496 PyErr_SetString(PyExc_ZeroDivisionError, "complex division");
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
497 return NULL;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
498 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
499 return PyComplex_FromCComplex(quot);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
500 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
501
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
502 static PyObject *
19633
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
503 complex_classic_div(PyComplexObject *v, PyComplexObject *w)
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
504 {
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
505 Py_complex quot;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
506
19673
b3271297b984 PEP 238 documented -Qwarn as warning only for classic int or long
Guido van Rossum <guido@python.org>
parents: 19633
diff changeset
507 if (Py_DivisionWarningFlag >= 2 &&
19633
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
508 PyErr_Warn(PyExc_DeprecationWarning,
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
509 "classic complex division") < 0)
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
510 return NULL;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
511
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
512 PyFPE_START_PROTECT("complex_classic_div", return 0)
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
513 errno = 0;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
514 quot = c_quot(v->cval,w->cval);
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
515 PyFPE_END_PROTECT(quot)
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
516 if (errno == EDOM) {
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
517 PyErr_SetString(PyExc_ZeroDivisionError, "complex division");
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
518 return NULL;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
519 }
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
520 return PyComplex_FromCComplex(quot);
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
521 }
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
522
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
523 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
524 complex_remainder(PyComplexObject *v, PyComplexObject *w)
4275
cb841f1b022e Don't dump core on complex % or divmod -- raise a TypeError exception.
Guido van Rossum <guido@python.org>
parents: 4025
diff changeset
525 {
44760
3d72f5209e67 Indentation normalization.
Georg Brandl <georg@python.org>
parents: 44432
diff changeset
526 Py_complex div, mod;
23043
7fecd6d58f38 Deprecate % as well. The message for deprecation of //, % and divmod
Guido van Rossum <guido@python.org>
parents: 23039
diff changeset
527
7fecd6d58f38 Deprecate % as well. The message for deprecation of //, % and divmod
Guido van Rossum <guido@python.org>
parents: 23039
diff changeset
528 if (PyErr_Warn(PyExc_DeprecationWarning,
7fecd6d58f38 Deprecate % as well. The message for deprecation of //, % and divmod
Guido van Rossum <guido@python.org>
parents: 23039
diff changeset
529 "complex divmod(), // and % are deprecated") < 0)
7fecd6d58f38 Deprecate % as well. The message for deprecation of //, % and divmod
Guido van Rossum <guido@python.org>
parents: 23039
diff changeset
530 return NULL;
7fecd6d58f38 Deprecate % as well. The message for deprecation of //, % and divmod
Guido van Rossum <guido@python.org>
parents: 23039
diff changeset
531
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
532 errno = 0;
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
533 div = c_quot(v->cval,w->cval); /* The raw divisor value. */
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
534 if (errno == EDOM) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
535 PyErr_SetString(PyExc_ZeroDivisionError, "complex remainder");
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
536 return NULL;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
537 }
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
538 div.real = floor(div.real); /* Use the floor of the real part. */
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
539 div.imag = 0.0;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
540 mod = c_diff(v->cval, c_prod(w->cval, div));
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
541
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
542 return PyComplex_FromCComplex(mod);
4275
cb841f1b022e Don't dump core on complex % or divmod -- raise a TypeError exception.
Guido van Rossum <guido@python.org>
parents: 4025
diff changeset
543 }
cb841f1b022e Don't dump core on complex % or divmod -- raise a TypeError exception.
Guido van Rossum <guido@python.org>
parents: 4025
diff changeset
544
cb841f1b022e Don't dump core on complex % or divmod -- raise a TypeError exception.
Guido van Rossum <guido@python.org>
parents: 4025
diff changeset
545
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
546 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
547 complex_divmod(PyComplexObject *v, PyComplexObject *w)
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
548 {
44760
3d72f5209e67 Indentation normalization.
Georg Brandl <georg@python.org>
parents: 44432
diff changeset
549 Py_complex div, mod;
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
550 PyObject *d, *m, *z;
23039
454351ef50f1 SF bug #543387.
Guido van Rossum <guido@python.org>
parents: 23031
diff changeset
551
454351ef50f1 SF bug #543387.
Guido van Rossum <guido@python.org>
parents: 23031
diff changeset
552 if (PyErr_Warn(PyExc_DeprecationWarning,
23043
7fecd6d58f38 Deprecate % as well. The message for deprecation of //, % and divmod
Guido van Rossum <guido@python.org>
parents: 23039
diff changeset
553 "complex divmod(), // and % are deprecated") < 0)
23039
454351ef50f1 SF bug #543387.
Guido van Rossum <guido@python.org>
parents: 23031
diff changeset
554 return NULL;
454351ef50f1 SF bug #543387.
Guido van Rossum <guido@python.org>
parents: 23031
diff changeset
555
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
556 errno = 0;
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
557 div = c_quot(v->cval,w->cval); /* The raw divisor value. */
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
558 if (errno == EDOM) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
559 PyErr_SetString(PyExc_ZeroDivisionError, "complex divmod()");
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
560 return NULL;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
561 }
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
562 div.real = floor(div.real); /* Use the floor of the real part. */
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
563 div.imag = 0.0;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
564 mod = c_diff(v->cval, c_prod(w->cval, div));
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
565 d = PyComplex_FromCComplex(div);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
566 m = PyComplex_FromCComplex(mod);
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30252
diff changeset
567 z = PyTuple_Pack(2, d, m);
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
568 Py_XDECREF(d);
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
569 Py_XDECREF(m);
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
570 return z;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
571 }
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
572
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
573 static PyObject *
44432
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
574 complex_pow(PyObject *v, PyObject *w, PyObject *z)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
575 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
576 Py_complex p;
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
577 Py_complex exponent;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
578 long int_exponent;
44432
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
579 Py_complex a, b;
44760
3d72f5209e67 Indentation normalization.
Georg Brandl <georg@python.org>
parents: 44432
diff changeset
580 TO_COMPLEX(v, a);
3d72f5209e67 Indentation normalization.
Georg Brandl <georg@python.org>
parents: 44432
diff changeset
581 TO_COMPLEX(w, b);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
582
44432
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
583 if (z!=Py_None) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
584 PyErr_SetString(PyExc_ValueError, "complex modulo");
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
585 return NULL;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
586 }
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
587 PyFPE_START_PROTECT("complex_pow", return 0)
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
588 errno = 0;
44432
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
589 exponent = b;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
590 int_exponent = (long)exponent.real;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
591 if (exponent.imag == 0. && exponent.real == int_exponent)
44432
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
592 p = c_powi(a,int_exponent);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
593 else
44432
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
594 p = c_pow(a,exponent);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
595
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
596 PyFPE_END_PROTECT(p)
22540
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
597 Py_ADJUST_ERANGE2(p.real, p.imag);
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
598 if (errno == EDOM) {
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
599 PyErr_SetString(PyExc_ZeroDivisionError,
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
600 "0.0 to a negative or complex power");
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
601 return NULL;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
602 }
22540
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
603 else if (errno == ERANGE) {
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
604 PyErr_SetString(PyExc_OverflowError,
41085
f75457d7532c Fix SF #1676971, Complex OverflowError has a typo
Neal Norwitz <nnorwitz@gmail.com>
parents: 39100
diff changeset
605 "complex exponentiation");
22540
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
606 return NULL;
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
607 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
608 return PyComplex_FromCComplex(p);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
609 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
610
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
611 static PyObject *
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
612 complex_int_div(PyComplexObject *v, PyComplexObject *w)
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
613 {
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
614 PyObject *t, *r;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
615
44432
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
616 if (PyErr_Warn(PyExc_DeprecationWarning,
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
617 "complex divmod(), // and % are deprecated") < 0)
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
618 return NULL;
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
619
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
620 t = complex_divmod(v, w);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
621 if (t != NULL) {
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
622 r = PyTuple_GET_ITEM(t, 0);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
623 Py_INCREF(r);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
624 Py_DECREF(t);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
625 return r;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
626 }
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
627 return NULL;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
628 }
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
629
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
630 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
631 complex_neg(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
632 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
633 Py_complex neg;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
634 neg.real = -v->cval.real;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
635 neg.imag = -v->cval.imag;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
636 return PyComplex_FromCComplex(neg);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
637 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
638
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
639 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
640 complex_pos(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
641 {
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
642 if (PyComplex_CheckExact(v)) {
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
643 Py_INCREF(v);
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
644 return (PyObject *)v;
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
645 }
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
646 else
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
647 return PyComplex_FromCComplex(v->cval);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
648 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
649
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
650 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
651 complex_abs(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
652 {
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
653 double result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
654 PyFPE_START_PROTECT("complex_abs", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
655 result = hypot(v->cval.real,v->cval.imag);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
656 PyFPE_END_PROTECT(result)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
657 return PyFloat_FromDouble(result);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
658 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
659
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
660 static int
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
661 complex_nonzero(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
662 {
9940
93b9eafe1f1d Ai! complex_nonzero() has && which should be ||, else decidedly
Guido van Rossum <guido@python.org>
parents: 8261
diff changeset
663 return v->cval.real != 0.0 || v->cval.imag != 0.0;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
664 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
665
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
666 static int
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
667 complex_coerce(PyObject **pv, PyObject **pw)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
668 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
669 Py_complex cval;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
670 cval.imag = 0.;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
671 if (PyInt_Check(*pw)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
672 cval.real = (double)PyInt_AsLong(*pw);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
673 *pw = PyComplex_FromCComplex(cval);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
674 Py_INCREF(*pv);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
675 return 0;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
676 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
677 else if (PyLong_Check(*pw)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
678 cval.real = PyLong_AsDouble(*pw);
19674
715244108faa Raise OverflowError when appropriate on long->float conversion. Most of
Tim Peters <tim.peters@gmail.com>
parents: 19673
diff changeset
679 if (cval.real == -1.0 && PyErr_Occurred())
715244108faa Raise OverflowError when appropriate on long->float conversion. Most of
Tim Peters <tim.peters@gmail.com>
parents: 19673
diff changeset
680 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
681 *pw = PyComplex_FromCComplex(cval);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
682 Py_INCREF(*pv);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
683 return 0;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
684 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
685 else if (PyFloat_Check(*pw)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
686 cval.real = PyFloat_AsDouble(*pw);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
687 *pw = PyComplex_FromCComplex(cval);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
688 Py_INCREF(*pv);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
689 return 0;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
690 }
19974
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
691 else if (PyComplex_Check(*pw)) {
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
692 Py_INCREF(*pv);
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
693 Py_INCREF(*pw);
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
694 return 0;
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
695 }
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
696 return 1; /* Can't do it */
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
697 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
698
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
699 static PyObject *
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
700 complex_richcompare(PyObject *v, PyObject *w, int op)
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
701 {
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
702 int c;
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
703 Py_complex i, j;
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
704 PyObject *res;
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
705
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
706 c = PyNumber_CoerceEx(&v, &w);
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
707 if (c < 0)
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
708 return NULL;
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
709 if (c > 0) {
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
710 Py_INCREF(Py_NotImplemented);
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
711 return Py_NotImplemented;
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
712 }
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20061
diff changeset
713 /* Make sure both arguments are complex. */
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20061
diff changeset
714 if (!(PyComplex_Check(v) && PyComplex_Check(w))) {
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
715 Py_DECREF(v);
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
716 Py_DECREF(w);
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
717 Py_INCREF(Py_NotImplemented);
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
718 return Py_NotImplemented;
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
719 }
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
720
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
721 i = ((PyComplexObject *)v)->cval;
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
722 j = ((PyComplexObject *)w)->cval;
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
723 Py_DECREF(v);
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
724 Py_DECREF(w);
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
725
20061
2caddb82ffea Do the same thing to complex that I did to str: the rich comparison
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
726 if (op != Py_EQ && op != Py_NE) {
2caddb82ffea Do the same thing to complex that I did to str: the rich comparison
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
727 PyErr_SetString(PyExc_TypeError,
34195
46fa0e20cbcf Bug #1079011: Incorrect error message (somewhat)
Raymond Hettinger <python@rcn.com>
parents: 33233
diff changeset
728 "no ordering relation is defined for complex numbers");
20061
2caddb82ffea Do the same thing to complex that I did to str: the rich comparison
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
729 return NULL;
2caddb82ffea Do the same thing to complex that I did to str: the rich comparison
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
730 }
2caddb82ffea Do the same thing to complex that I did to str: the rich comparison
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
731
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
732 if ((i.real == j.real && i.imag == j.imag) == (op == Py_EQ))
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
733 res = Py_True;
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
734 else
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
735 res = Py_False;
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
736
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
737 Py_INCREF(res);
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
738 return res;
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
739 }
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
740
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
741 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
742 complex_int(PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
743 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
744 PyErr_SetString(PyExc_TypeError,
30252
66654ac69622 Remove 'e.g.' from error message
Raymond Hettinger <python@rcn.com>
parents: 30155
diff changeset
745 "can't convert complex to int; use int(abs(z))");
4290
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
746 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
747 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
748
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
749 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
750 complex_long(PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
751 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
752 PyErr_SetString(PyExc_TypeError,
30252
66654ac69622 Remove 'e.g.' from error message
Raymond Hettinger <python@rcn.com>
parents: 30155
diff changeset
753 "can't convert complex to long; use long(abs(z))");
4290
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
754 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
755 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
756
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
757 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
758 complex_float(PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
759 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
760 PyErr_SetString(PyExc_TypeError,
30252
66654ac69622 Remove 'e.g.' from error message
Raymond Hettinger <python@rcn.com>
parents: 30155
diff changeset
761 "can't convert complex to float; use abs(z)");
4290
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
762 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
763 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
764
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
765 static PyObject *
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19051
diff changeset
766 complex_conjugate(PyObject *self)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
767 {
4025
854f25fde8f4 Changes to make the file acceptable to K&R C compilers (HPUX, SunOS 4.x).
Guido van Rossum <guido@python.org>
parents: 3771
diff changeset
768 Py_complex c;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
769 c = ((PyComplexObject *)self)->cval;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
770 c.imag = -c.imag;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
771 return PyComplex_FromCComplex(c);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
772 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
773
44432
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
774 PyDoc_STRVAR(complex_conjugate_doc,
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
775 "complex.conjugate() -> complex\n"
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
776 "\n"
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
777 "Returns the complex conjugate of its argument. (3-4j).conjugate() == 3+4j.");
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
778
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
779 static PyObject *
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
780 complex_getnewargs(PyComplexObject *v)
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
781 {
28134
cde444184336 Fix from Greg Chapman from SF bug #695651: a complex subclass
Guido van Rossum <guido@python.org>
parents: 27521
diff changeset
782 return Py_BuildValue("(D)", &v->cval);
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
783 }
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
784
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
785 static PyMethodDef complex_methods[] = {
44432
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
786 {"conjugate", (PyCFunction)complex_conjugate, METH_NOARGS,
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44132
diff changeset
787 complex_conjugate_doc},
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
788 {"__getnewargs__", (PyCFunction)complex_getnewargs, METH_NOARGS},
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
789 {NULL, NULL} /* sentinel */
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
790 };
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
791
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19974
diff changeset
792 static PyMemberDef complex_members[] = {
21894
f245955b3fbe Declare real and imag as read-only attributes.
Guido van Rossum <guido@python.org>
parents: 21399
diff changeset
793 {"real", T_DOUBLE, offsetof(PyComplexObject, cval.real), READONLY,
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19974
diff changeset
794 "the real part of a complex number"},
21894
f245955b3fbe Declare real and imag as read-only attributes.
Guido van Rossum <guido@python.org>
parents: 21399
diff changeset
795 {"imag", T_DOUBLE, offsetof(PyComplexObject, cval.imag), READONLY,
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19974
diff changeset
796 "the imaginary part of a complex number"},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
797 {0},
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
798 };
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
799
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
800 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
801 complex_subtype_from_string(PyTypeObject *type, PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
802 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
803 const char *s, *start;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
804 char *end;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
805 double x=0.0, y=0.0, z;
41093
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
806 int got_re=0, got_im=0, got_bracket=0, done=0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
807 int digit_or_dot;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
808 int sw_error=0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
809 int sign;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
810 char buffer[256]; /* For errors */
20666
88a242bfb23a complex_subtype_from_string(): move the declaration of s_buffer[] out
Guido van Rossum <guido@python.org>
parents: 20277
diff changeset
811 #ifdef Py_USING_UNICODE
88a242bfb23a complex_subtype_from_string(): move the declaration of s_buffer[] out
Guido van Rossum <guido@python.org>
parents: 20277
diff changeset
812 char s_buffer[256];
88a242bfb23a complex_subtype_from_string(): move the declaration of s_buffer[] out
Guido van Rossum <guido@python.org>
parents: 20277
diff changeset
813 #endif
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
814 Py_ssize_t len;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
815
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
816 if (PyString_Check(v)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
817 s = PyString_AS_STRING(v);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
818 len = PyString_GET_SIZE(v);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
819 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
820 #ifdef Py_USING_UNICODE
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
821 else if (PyUnicode_Check(v)) {
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37304
diff changeset
822 if (PyUnicode_GET_SIZE(v) >= (Py_ssize_t)sizeof(s_buffer)) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
823 PyErr_SetString(PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
824 "complex() literal too large to convert");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
825 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
826 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
827 if (PyUnicode_EncodeDecimal(PyUnicode_AS_UNICODE(v),
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
828 PyUnicode_GET_SIZE(v),
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
829 s_buffer,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
830 NULL))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
831 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
832 s = s_buffer;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
833 len = strlen(s);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
834 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
835 #endif
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
836 else if (PyObject_AsCharBuffer(v, &s, &len)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
837 PyErr_SetString(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
838 "complex() arg is not a string");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
839 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
840 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
841
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
842 /* position on first nonblank */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
843 start = s;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
844 while (*s && isspace(Py_CHARMASK(*s)))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
845 s++;
44760
3d72f5209e67 Indentation normalization.
Georg Brandl <georg@python.org>
parents: 44432
diff changeset
846 if (s[0] == '\0') {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
847 PyErr_SetString(PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
848 "complex() arg is an empty string");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
849 return NULL;
44760
3d72f5209e67 Indentation normalization.
Georg Brandl <georg@python.org>
parents: 44432
diff changeset
850 }
41093
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
851 if (s[0] == '(') {
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
852 /* Skip over possible bracket from repr(). */
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
853 got_bracket = 1;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
854 s++;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
855 while (*s && isspace(Py_CHARMASK(*s)))
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
856 s++;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
857 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
858
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
859 z = -1.0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
860 sign = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
861 do {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
862
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
863 switch (*s) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
864
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
865 case '\0':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
866 if (s-start != len) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
867 PyErr_SetString(
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
868 PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
869 "complex() arg contains a null byte");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
870 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
871 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
872 if(!done) sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
873 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
874
41093
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
875 case ')':
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
876 if (!got_bracket || !(got_re || got_im)) {
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
877 sw_error=1;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
878 break;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
879 }
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
880 got_bracket=0;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
881 done=1;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
882 s++;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
883 while (*s && isspace(Py_CHARMASK(*s)))
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
884 s++;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
885 if (*s) sw_error=1;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
886 break;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
887
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
888 case '-':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
889 sign = -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
890 /* Fallthrough */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
891 case '+':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
892 if (done) sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
893 s++;
41093
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
894 if ( *s=='\0'||*s=='+'||*s=='-'||*s==')'||
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
895 isspace(Py_CHARMASK(*s)) ) sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
896 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
897
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
898 case 'J':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
899 case 'j':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
900 if (got_im || done) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
901 sw_error = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
902 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
903 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
904 if (z<0.0) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
905 y=sign;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
906 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
907 else{
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
908 y=sign*z;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
909 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
910 got_im=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
911 s++;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
912 if (*s!='+' && *s!='-' )
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
913 done=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
914 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
915
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
916 default:
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
917 if (isspace(Py_CHARMASK(*s))) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
918 while (*s && isspace(Py_CHARMASK(*s)))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
919 s++;
41093
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
920 if (*s && *s != ')')
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
921 sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
922 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
923 done = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
924 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
925 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
926 digit_or_dot =
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
927 (*s=='.' || isdigit(Py_CHARMASK(*s)));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
928 if (done||!digit_or_dot) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
929 sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
930 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
931 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
932 errno = 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
933 PyFPE_START_PROTECT("strtod", return 0)
32305
13656d58d450 Patch #774665: Make Python LC_NUMERIC agnostic.
Martin v. Löwis <martin@v.loewis.de>
parents: 30683
diff changeset
934 z = PyOS_ascii_strtod(s, &end) ;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
935 PyFPE_END_PROTECT(z)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
936 if (errno != 0) {
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
937 PyOS_snprintf(buffer, sizeof(buffer),
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
938 "float() out of range: %.150s", s);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
939 PyErr_SetString(
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
940 PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
941 buffer);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
942 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
943 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
944 s=end;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
945 if (*s=='J' || *s=='j') {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
946
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
947 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
948 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
949 if (got_re) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
950 sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
951 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
952 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
953
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
954 /* accept a real part */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
955 x=sign*z;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
956 got_re=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
957 if (got_im) done=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
958 z = -1.0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
959 sign = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
960 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
961
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
962 } /* end of switch */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
963
23031
5bda546ebe24 SF bug 543840: complex(string) accepts strings with \0
Tim Peters <tim.peters@gmail.com>
parents: 22974
diff changeset
964 } while (s - start < len && !sw_error);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
965
41093
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
966 if (sw_error || got_bracket) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
967 PyErr_SetString(PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
968 "complex() arg is a malformed string");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
969 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
970 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
971
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
972 return complex_subtype_from_doubles(type, x, y);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
973 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
974
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
975 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
976 complex_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
977 {
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
978 PyObject *r, *i, *tmp, *f;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
979 PyNumberMethods *nbr, *nbi = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
980 Py_complex cr, ci;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
981 int own_r = 0;
44037
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
982 int cr_is_complex = 0;
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
983 int ci_is_complex = 0;
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
984 static PyObject *complexstr;
36675
dba6494735d0 Revert backwards-incompatible const changes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
985 static char *kwlist[] = {"real", "imag", 0};
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
986
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
987 r = Py_False;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
988 i = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
989 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|OO:complex", kwlist,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
990 &r, &i))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
991 return NULL;
25064
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
992
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
993 /* Special-case for a single argument when type(arg) is complex. */
28134
cde444184336 Fix from Greg Chapman from SF bug #695651: a complex subclass
Guido van Rossum <guido@python.org>
parents: 27521
diff changeset
994 if (PyComplex_CheckExact(r) && i == NULL &&
cde444184336 Fix from Greg Chapman from SF bug #695651: a complex subclass
Guido van Rossum <guido@python.org>
parents: 27521
diff changeset
995 type == &PyComplex_Type) {
25064
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
996 /* Note that we can't know whether it's safe to return
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
997 a complex *subclass* instance as-is, hence the restriction
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
998 to exact complexes here. If either the input or the
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
999 output is a complex subclass, it will be handled below
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1000 as a non-orthogonal vector. */
25064
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
1001 Py_INCREF(r);
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
1002 return r;
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
1003 }
21399
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
1004 if (PyString_Check(r) || PyUnicode_Check(r)) {
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
1005 if (i != NULL) {
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
1006 PyErr_SetString(PyExc_TypeError,
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
1007 "complex() can't take second arg"
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
1008 " if first is a string");
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
1009 return NULL;
44760
3d72f5209e67 Indentation normalization.
Georg Brandl <georg@python.org>
parents: 44432
diff changeset
1010 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1011 return complex_subtype_from_string(type, r);
21399
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
1012 }
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
1013 if (i != NULL && (PyString_Check(i) || PyUnicode_Check(i))) {
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
1014 PyErr_SetString(PyExc_TypeError,
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
1015 "complex() second arg can't be a string");
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
1016 return NULL;
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
1017 }
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1018
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1019 /* XXX Hack to support classes with __complex__ method */
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1020 if (complexstr == NULL) {
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1021 complexstr = PyString_InternFromString("__complex__");
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1022 if (complexstr == NULL)
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1023 return NULL;
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1024 }
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1025 f = PyObject_GetAttr(r, complexstr);
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1026 if (f == NULL)
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1027 PyErr_Clear();
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1028 else {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30252
diff changeset
1029 PyObject *args = PyTuple_New(0);
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1030 if (args == NULL)
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1031 return NULL;
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1032 r = PyEval_CallObject(f, args);
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1033 Py_DECREF(args);
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1034 Py_DECREF(f);
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1035 if (r == NULL)
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1036 return NULL;
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1037 own_r = 1;
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1038 }
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1039 nbr = r->ob_type->tp_as_number;
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1040 if (i != NULL)
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1041 nbi = i->ob_type->tp_as_number;
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1042 if (nbr == NULL || nbr->nb_float == NULL ||
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1043 ((i != NULL) && (nbi == NULL || nbi->nb_float == NULL))) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1044 PyErr_SetString(PyExc_TypeError,
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
1045 "complex() argument must be a string or a number");
30155
e3281b0df6a4 complex_new(): This could leak when the argument was neither string nor
Tim Peters <tim.peters@gmail.com>
parents: 29520
diff changeset
1046 if (own_r) {
e3281b0df6a4 complex_new(): This could leak when the argument was neither string nor
Tim Peters <tim.peters@gmail.com>
parents: 29520
diff changeset
1047 Py_DECREF(r);
e3281b0df6a4 complex_new(): This could leak when the argument was neither string nor
Tim Peters <tim.peters@gmail.com>
parents: 29520
diff changeset
1048 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1049 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1050 }
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1051
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1052 /* If we get this far, then the "real" and "imag" parts should
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1053 both be treated as numbers, and the constructor should return a
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1054 complex number equal to (real + imag*1j).
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1055
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1056 Note that we do NOT assume the input to already be in canonical
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1057 form; the "real" and "imag" parts might themselves be complex
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1058 numbers, which slightly complicates the code below. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1059 if (PyComplex_Check(r)) {
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1060 /* Note that if r is of a complex subtype, we're only
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1061 retaining its real & imag parts here, and the return
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1062 value is (properly) of the builtin complex type. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1063 cr = ((PyComplexObject*)r)->cval;
44037
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
1064 cr_is_complex = 1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1065 if (own_r) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1066 Py_DECREF(r);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1067 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1068 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1069 else {
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1070 /* The "real" part really is entirely real, and contributes
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1071 nothing in the imaginary direction.
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1072 Just treat it as a double. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1073 tmp = PyNumber_Float(r);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1074 if (own_r) {
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1075 /* r was a newly created complex number, rather
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1076 than the original "real" argument. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1077 Py_DECREF(r);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1078 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1079 if (tmp == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1080 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1081 if (!PyFloat_Check(tmp)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1082 PyErr_SetString(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1083 "float(r) didn't return a float");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1084 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1085 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1086 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1087 cr.real = PyFloat_AsDouble(tmp);
44760
3d72f5209e67 Indentation normalization.
Georg Brandl <georg@python.org>
parents: 44432
diff changeset
1088 cr.imag = 0.0; /* Shut up compiler warning */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1089 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1090 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1091 if (i == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1092 ci.real = 0.0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1093 }
44037
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
1094 else if (PyComplex_Check(i)) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1095 ci = ((PyComplexObject*)i)->cval;
44037
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
1096 ci_is_complex = 1;
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
1097 } else {
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1098 /* The "imag" part really is entirely imaginary, and
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1099 contributes nothing in the real direction.
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1100 Just treat it as a double. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1101 tmp = (*nbi->nb_float)(i);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1102 if (tmp == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1103 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1104 ci.real = PyFloat_AsDouble(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1105 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1106 }
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1107 /* If the input was in canonical form, then the "real" and "imag"
44037
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
1108 parts are real numbers, so that ci.imag and cr.imag are zero.
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1109 We need this correction in case they were not real numbers. */
44037
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
1110
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
1111 if (ci_is_complex) {
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
1112 cr.real -= ci.imag;
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
1113 }
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
1114 if (cr_is_complex) {
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
1115 ci.real += cr.imag;
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
1116 }
60e6eaa378d9 Patch # 1507 by Mark Dickinson. Make complex(x, -0) retain the sign of
Guido van Rossum <guido@python.org>
parents: 43378
diff changeset
1117 return complex_subtype_from_doubles(type, cr.real, ci.real);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1118 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1119
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23820
diff changeset
1120 PyDoc_STRVAR(complex_doc,
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1121 "complex(real[, imag]) -> complex number\n"
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1122 "\n"
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1123 "Create a complex number from a real part and an optional imaginary part.\n"
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23820
diff changeset
1124 "This is equivalent to (real + imag*1j) where imag defaults to 0.");
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1125
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
1126 static PyNumberMethods complex_as_number = {
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1127 (binaryfunc)complex_add, /* nb_add */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1128 (binaryfunc)complex_sub, /* nb_subtract */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1129 (binaryfunc)complex_mul, /* nb_multiply */
19633
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
1130 (binaryfunc)complex_classic_div, /* nb_divide */
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1131 (binaryfunc)complex_remainder, /* nb_remainder */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1132 (binaryfunc)complex_divmod, /* nb_divmod */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1133 (ternaryfunc)complex_pow, /* nb_power */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1134 (unaryfunc)complex_neg, /* nb_negative */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1135 (unaryfunc)complex_pos, /* nb_positive */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1136 (unaryfunc)complex_abs, /* nb_absolute */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1137 (inquiry)complex_nonzero, /* nb_nonzero */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1138 0, /* nb_invert */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1139 0, /* nb_lshift */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1140 0, /* nb_rshift */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1141 0, /* nb_and */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1142 0, /* nb_xor */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1143 0, /* nb_or */
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 36675
diff changeset
1144 complex_coerce, /* nb_coerce */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 36675
diff changeset
1145 complex_int, /* nb_int */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 36675
diff changeset
1146 complex_long, /* nb_long */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 36675
diff changeset
1147 complex_float, /* nb_float */
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1148 0, /* nb_oct */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1149 0, /* nb_hex */
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1150 0, /* nb_inplace_add */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1151 0, /* nb_inplace_subtract */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1152 0, /* nb_inplace_multiply*/
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1153 0, /* nb_inplace_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1154 0, /* nb_inplace_remainder */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1155 0, /* nb_inplace_power */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1156 0, /* nb_inplace_lshift */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1157 0, /* nb_inplace_rshift */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1158 0, /* nb_inplace_and */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1159 0, /* nb_inplace_xor */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1160 0, /* nb_inplace_or */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1161 (binaryfunc)complex_int_div, /* nb_floor_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1162 (binaryfunc)complex_div, /* nb_true_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1163 0, /* nb_inplace_floor_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1164 0, /* nb_inplace_true_divide */
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1165 };
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1166
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
1167 PyTypeObject PyComplex_Type = {
42333
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping
Martin v. Löwis <martin@v.loewis.de>
parents: 41219
diff changeset
1168 PyVarObject_HEAD_INIT(&PyType_Type, 0)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1169 "complex",
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
1170 sizeof(PyComplexObject),
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1171 0,
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 36675
diff changeset
1172 complex_dealloc, /* tp_dealloc */
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1173 (printfunc)complex_print, /* tp_print */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1174 0, /* tp_getattr */
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1175 0, /* tp_setattr */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1176 0, /* tp_compare */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1177 (reprfunc)complex_repr, /* tp_repr */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1178 &complex_as_number, /* tp_as_number */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1179 0, /* tp_as_sequence */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1180 0, /* tp_as_mapping */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1181 (hashfunc)complex_hash, /* tp_hash */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1182 0, /* tp_call */
17029
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
1183 (reprfunc)complex_str, /* tp_str */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1184 PyObject_GenericGetAttr, /* tp_getattro */
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1185 0, /* tp_setattro */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1186 0, /* tp_as_buffer */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1187 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1188 complex_doc, /* tp_doc */
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1189 0, /* tp_traverse */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1190 0, /* tp_clear */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1191 complex_richcompare, /* tp_richcompare */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1192 0, /* tp_weaklistoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1193 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1194 0, /* tp_iternext */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1195 complex_methods, /* tp_methods */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1196 complex_members, /* tp_members */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1197 0, /* tp_getset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1198 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1199 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1200 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1201 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1202 0, /* tp_dictoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1203 0, /* tp_init */
38533
3031a7110da9 Correctly allocate complex types with tp_alloc. (bug #1498638)
Georg Brandl <georg@python.org>
parents: 37815
diff changeset
1204 PyType_GenericAlloc, /* tp_alloc */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1205 complex_new, /* tp_new */
22974
72778ec94dec PyObject_Del can now be used as a function designator.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22540
diff changeset
1206 PyObject_Del, /* tp_free */
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1207 };
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1208
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1209 #endif