Mercurial > cpython-lru_cache-weakref

annotate Objects/complexobject.c @ 21993:4e996314f8fb 2.2

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backport gvanrossum's checkin of revision 2.54 of complexobject.c Declare real and imag as read-only attributes. This fixes SF bug #514858 (Gregory Smith): complex not entirely immutable 2.2.1 Bugfix candidate!
author Michael W. Hudson <mwh@python.net>
date Fri, 22 Feb 2002 13:23:33 +0000
parents 33d59e18b68d
children 75ef1f16725e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 /* Complex object implementation */
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3
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4 /* Borrows heavily from floatobject.c */
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5
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6 /* Submitted by Jim Hugunin */
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7
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8 #ifndef WITHOUT_COMPLEX
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9
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10 #include "Python.h"
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11 #include "structmember.h"
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12
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13 /* Precisions used by repr() and str(), respectively.
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14
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15 The repr() precision (17 significant decimal digits) is the minimal number
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16 that is guaranteed to have enough precision so that if the number is read
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17 back in the exact same binary value is recreated. This is true for IEEE
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18 floating point by design, and also happens to work for all other modern
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19 hardware.
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20
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21 The str() precision is chosen so that in most cases, the rounding noise
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22 created by various operations is suppressed, while giving plenty of
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23 precision for practical use.
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24 */
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25
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26 #define PREC_REPR 17
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27 #define PREC_STR 12
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28
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29 /* elementary operations on complex numbers */
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30
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31 static Py_complex c_1 = {1., 0.};
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32
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33 Py_complex
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34 c_sum(Py_complex a, Py_complex b)
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35 {
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36 Py_complex r;
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37 r.real = a.real + b.real;
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38 r.imag = a.imag + b.imag;
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39 return r;
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40 }
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41
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42 Py_complex
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43 c_diff(Py_complex a, Py_complex b)
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44 {
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45 Py_complex r;
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46 r.real = a.real - b.real;
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47 r.imag = a.imag - b.imag;
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48 return r;
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49 }
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50
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51 Py_complex
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52 c_neg(Py_complex a)
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53 {
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54 Py_complex r;
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55 r.real = -a.real;
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56 r.imag = -a.imag;
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57 return r;
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58 }
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59
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60 Py_complex
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61 c_prod(Py_complex a, Py_complex b)
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62 {
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63 Py_complex r;
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64 r.real = a.real*b.real - a.imag*b.imag;
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65 r.imag = a.real*b.imag + a.imag*b.real;
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66 return r;
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67 }
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69 Py_complex
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70 c_quot(Py_complex a, Py_complex b)
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71 {
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72 /******************************************************************
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73 This was the original algorithm. It's grossly prone to spurious
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74 overflow and underflow errors. It also merrily divides by 0 despite
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75 checking for that(!). The code still serves a doc purpose here, as
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76 the algorithm following is a simple by-cases transformation of this
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77 one:
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79 Py_complex r;
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80 double d = b.real*b.real + b.imag*b.imag;
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81 if (d == 0.)
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82 errno = EDOM;
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83 r.real = (a.real*b.real + a.imag*b.imag)/d;
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84 r.imag = (a.imag*b.real - a.real*b.imag)/d;
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85 return r;
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86 ******************************************************************/
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87
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88 /* This algorithm is better, and is pretty obvious: first divide the
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89 * numerators and denominator by whichever of {b.real, b.imag} has
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90 * larger magnitude. The earliest reference I found was to CACM
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91 * Algorithm 116 (Complex Division, Robert L. Smith, Stanford
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92 * University). As usual, though, we're still ignoring all IEEE
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93 * endcases.
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94 */
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95 Py_complex r; /* the result */
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96 const double abs_breal = b.real < 0 ? -b.real : b.real;
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97 const double abs_bimag = b.imag < 0 ? -b.imag : b.imag;
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98
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99 if (abs_breal >= abs_bimag) {
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100 /* divide tops and bottom by b.real */
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101 if (abs_breal == 0.0) {
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102 errno = EDOM;
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103 r.real = r.imag = 0.0;
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104 }
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105 else {
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106 const double ratio = b.imag / b.real;
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107 const double denom = b.real + b.imag * ratio;
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108 r.real = (a.real + a.imag * ratio) / denom;
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109 r.imag = (a.imag - a.real * ratio) / denom;
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110 }
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111 }
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112 else {
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113 /* divide tops and bottom by b.imag */
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114 const double ratio = b.real / b.imag;
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115 const double denom = b.real * ratio + b.imag;
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116 assert(b.imag != 0.0);
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117 r.real = (a.real * ratio + a.imag) / denom;
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118 r.imag = (a.imag * ratio - a.real) / denom;
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119 }
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120 return r;
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121 }
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122
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123 Py_complex
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124 c_pow(Py_complex a, Py_complex b)
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125 {
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126 Py_complex r;
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127 double vabs,len,at,phase;
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128 if (b.real == 0. && b.imag == 0.) {
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129 r.real = 1.;
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130 r.imag = 0.;
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131 }
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132 else if (a.real == 0. && a.imag == 0.) {
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133 if (b.imag != 0. || b.real < 0.)
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134 errno = ERANGE;
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135 r.real = 0.;
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136 r.imag = 0.;
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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
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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
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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
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Guido van Rossum <guido@python.org>
parents:
diff changeset
157 long mask = 1;
4025
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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
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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
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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
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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
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
191 op = PyType_GenericAlloc(type, 0);
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
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
202 /* PyObject_New is inlined */
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;
3328
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
255 if (PyComplex_Check(op)) {
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
256 return ((PyComplexObject *)op)->cval;
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
257 }
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
258 else {
3328
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
259 cv.real = PyFloat_AsDouble(op);
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
260 cv.imag = 0.;
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
261 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
262 }
3328
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
263 }
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
264
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
265 static void
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
266 complex_dealloc(PyObject *op)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
267 {
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
268 op->ob_type->tp_free(op);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
269 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
270
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
271
3608
8573e65fa948 make some things static
Guido van Rossum <guido@python.org>
parents: 3350
diff changeset
272 static void
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
273 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
274 {
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
275 if (v->cval.real == 0.)
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
276 PyOS_snprintf(buf, bufsz, "%.*gj",
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
277 precision, v->cval.imag);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
278 else
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
279 PyOS_snprintf(buf, bufsz, "(%.*g%+.*gj)",
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
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280 precision, v->cval.real,
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
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281 precision, v->cval.imag);
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282 }
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283
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284 static int
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285 complex_print(PyComplexObject *v, FILE *fp, int flags)
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286 {
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287 char buf[100];
21078
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288 complex_to_buf(buf, sizeof(buf), v,
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289 (flags & Py_PRINT_RAW) ? PREC_STR : PREC_REPR);
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290 fputs(buf, fp);
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291 return 0;
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292 }
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293
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294 static PyObject *
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295 complex_repr(PyComplexObject *v)
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296 {
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297 char buf[100];
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298 complex_to_buf(buf, sizeof(buf), v, PREC_REPR);
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299 return PyString_FromString(buf);
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300 }
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301
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302 static PyObject *
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303 complex_str(PyComplexObject *v)
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304 {
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305 char buf[100];
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306 complex_to_buf(buf, sizeof(buf), v, PREC_STR);
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307 return PyString_FromString(buf);
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308 }
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309
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310 static long
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311 complex_hash(PyComplexObject *v)
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312 {
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313 long hashreal, hashimag, combined;
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314 hashreal = _Py_HashDouble(v->cval.real);
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315 if (hashreal == -1)
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316 return -1;
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317 hashimag = _Py_HashDouble(v->cval.imag);
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318 if (hashimag == -1)
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319 return -1;
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320 /* Note: if the imaginary part is 0, hashimag is 0 now,
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321 * so the following returns hashreal unchanged. This is
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
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diff changeset
322 * important because numbers of different types that
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diff changeset
323 * 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.
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diff changeset
324 * hash(x + 0*j) must equal hash(x).
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diff changeset
325 */
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326 combined = hashreal + 1000003 * hashimag;
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diff changeset
327 if (combined == -1)
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diff changeset
328 combined = -2;
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329 return combined;
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330 }
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331
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332 static PyObject *
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333 complex_add(PyComplexObject *v, PyComplexObject *w)
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334 {
5118
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335 Py_complex result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
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336 PyFPE_START_PROTECT("complex_add", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
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337 result = c_sum(v->cval,w->cval);
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338 PyFPE_END_PROTECT(result)
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339 return PyComplex_FromCComplex(result);
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340 }
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341
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342 static PyObject *
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343 complex_sub(PyComplexObject *v, PyComplexObject *w)
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344 {
5118
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345 Py_complex result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
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346 PyFPE_START_PROTECT("complex_sub", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
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347 result = c_diff(v->cval,w->cval);
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348 PyFPE_END_PROTECT(result)
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349 return PyComplex_FromCComplex(result);
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350 }
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351
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352 static PyObject *
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353 complex_mul(PyComplexObject *v, PyComplexObject *w)
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354 {
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355 Py_complex result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
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356 PyFPE_START_PROTECT("complex_mul", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
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357 result = c_prod(v->cval,w->cval);
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358 PyFPE_END_PROTECT(result)
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359 return PyComplex_FromCComplex(result);
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360 }
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361
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362 static PyObject *
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363 complex_div(PyComplexObject *v, PyComplexObject *w)
3316
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364 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
365 Py_complex quot;
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366 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>
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diff changeset
367 errno = 0;
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368 quot = c_quot(v->cval,w->cval);
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diff changeset
369 PyFPE_END_PROTECT(quot)
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diff changeset
370 if (errno == EDOM) {
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371 PyErr_SetString(PyExc_ZeroDivisionError, "complex division");
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372 return NULL;
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373 }
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374 return PyComplex_FromCComplex(quot);
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375 }
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376
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377 static PyObject *
19633
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diff changeset
378 complex_classic_div(PyComplexObject *v, PyComplexObject *w)
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diff changeset
379 {
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diff changeset
380 Py_complex quot;
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381
19673
b3271297b984 PEP 238 documented -Qwarn as warning only for classic int or long
Guido van Rossum <guido@python.org>
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diff changeset
382 if (Py_DivisionWarningFlag >= 2 &&
19633
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Guido van Rossum <guido@python.org>
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diff changeset
383 PyErr_Warn(PyExc_DeprecationWarning,
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
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diff changeset
384 "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
385 return NULL;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
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parents: 19343
diff changeset
386
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
387 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>
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diff changeset
388 errno = 0;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
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diff changeset
389 quot = c_quot(v->cval,w->cval);
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diff changeset
390 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
391 if (errno == EDOM) {
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
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diff changeset
392 PyErr_SetString(PyExc_ZeroDivisionError, "complex division");
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
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diff changeset
393 return NULL;
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Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
394 }
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
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diff changeset
395 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
396 }
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Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
397
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
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diff changeset
398 static PyObject *
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
399 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
400 {
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
401 Py_complex div, mod;
5559
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Guido van Rossum <guido@python.org>
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diff changeset
402 errno = 0;
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
403 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
404 if (errno == EDOM) {
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diff changeset
405 PyErr_SetString(PyExc_ZeroDivisionError, "complex remainder");
4304
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Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
406 return NULL;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
407 }
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
408 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
409 div.imag = 0.0;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
410 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
411
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parents: 5286
diff changeset
412 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
413 }
cb841f1b022e Don't dump core on complex % or divmod -- raise a TypeError exception.
Guido van Rossum <guido@python.org>
parents: 4025
diff changeset
414
cb841f1b022e Don't dump core on complex % or divmod -- raise a TypeError exception.
Guido van Rossum <guido@python.org>
parents: 4025
diff changeset
415
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
416 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
417 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
418 {
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
419 Py_complex div, mod;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
420 PyObject *d, *m, *z;
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
421 errno = 0;
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
422 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
423 if (errno == EDOM) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
424 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
425 return NULL;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
426 }
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
427 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
428 div.imag = 0.0;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
429 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
430 d = PyComplex_FromCComplex(div);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
431 m = PyComplex_FromCComplex(mod);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
432 z = Py_BuildValue("(OO)", d, m);
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
433 Py_XDECREF(d);
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
434 Py_XDECREF(m);
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
435 return z;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
436 }
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
437
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
438 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
439 complex_pow(PyComplexObject *v, PyObject *w, PyComplexObject *z)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
440 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
441 Py_complex p;
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
442 Py_complex exponent;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
443 long int_exponent;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
444
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
445 if ((PyObject *)z!=Py_None) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
446 PyErr_SetString(PyExc_ValueError, "complex modulo");
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
447 return NULL;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
448 }
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
449 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
450 errno = 0;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
451 exponent = ((PyComplexObject*)w)->cval;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
452 int_exponent = (long)exponent.real;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
453 if (exponent.imag == 0. && exponent.real == int_exponent)
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
454 p = c_powi(v->cval,int_exponent);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
455 else
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
456 p = c_pow(v->cval,exponent);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
457
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
458 PyFPE_END_PROTECT(p)
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
459 if (errno == ERANGE) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
460 PyErr_SetString(PyExc_ValueError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
461 "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
462 return NULL;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
463 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
464 return PyComplex_FromCComplex(p);
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 *
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
468 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
469 {
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
470 PyObject *t, *r;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
471
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
472 t = complex_divmod(v, w);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
473 if (t != NULL) {
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
474 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
475 Py_INCREF(r);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
476 Py_DECREF(t);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
477 return r;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
478 }
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
479 return NULL;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
480 }
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
481
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
482 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
483 complex_neg(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
484 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
485 Py_complex neg;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
486 neg.real = -v->cval.real;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
487 neg.imag = -v->cval.imag;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
488 return PyComplex_FromCComplex(neg);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
489 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
490
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
491 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
492 complex_pos(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
493 {
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
494 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
495 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
496 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
497 }
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
498 else
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
499 return PyComplex_FromCComplex(v->cval);
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 *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
503 complex_abs(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
504 {
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
505 double result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
506 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
507 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
508 PyFPE_END_PROTECT(result)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
509 return PyFloat_FromDouble(result);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
510 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
511
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
512 static int
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
513 complex_nonzero(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
514 {
9940
93b9eafe1f1d Ai! complex_nonzero() has && which should be ||, else decidedly
Guido van Rossum <guido@python.org>
parents: 8261
diff changeset
515 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
516 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
517
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
518 static int
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
519 complex_coerce(PyObject **pv, PyObject **pw)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
520 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
521 Py_complex cval;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
522 cval.imag = 0.;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
523 if (PyInt_Check(*pw)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
524 cval.real = (double)PyInt_AsLong(*pw);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
525 *pw = PyComplex_FromCComplex(cval);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
526 Py_INCREF(*pv);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
527 return 0;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
528 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
529 else if (PyLong_Check(*pw)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
530 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
531 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
532 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
533 *pw = PyComplex_FromCComplex(cval);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
534 Py_INCREF(*pv);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
535 return 0;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
536 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
537 else if (PyFloat_Check(*pw)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
538 cval.real = PyFloat_AsDouble(*pw);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
539 *pw = PyComplex_FromCComplex(cval);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
540 Py_INCREF(*pv);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
541 return 0;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
542 }
19974
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
543 else if (PyComplex_Check(*pw)) {
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
544 Py_INCREF(*pv);
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
545 Py_INCREF(*pw);
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
546 return 0;
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
547 }
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
548 return 1; /* Can't do it */
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
549 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
550
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
551 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
552 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
553 {
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
554 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
555 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
556 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
557
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
558 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
559 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
560 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
561 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
562 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
563 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
564 }
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20061
diff changeset
565 /* 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
566 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
567 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
568 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
569 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
570 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
571 }
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
572
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
573 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
574 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
575 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
576 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
577
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
578 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
579 PyErr_SetString(PyExc_TypeError,
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
580 "cannot compare complex numbers using <, <=, >, >=");
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
581 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
582 }
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
583
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
584 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
585 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
586 else
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
587 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
588
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
589 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
590 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
591 }
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
592
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
593 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
594 complex_int(PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
595 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
596 PyErr_SetString(PyExc_TypeError,
4290
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
597 "can't convert complex to int; use e.g. int(abs(z))");
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
598 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
599 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
600
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
601 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
602 complex_long(PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
603 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
604 PyErr_SetString(PyExc_TypeError,
4290
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
605 "can't convert complex to long; use e.g. long(abs(z))");
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
606 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
607 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
608
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
609 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
610 complex_float(PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
611 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
612 PyErr_SetString(PyExc_TypeError,
4290
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
613 "can't convert complex to float; use e.g. abs(z)");
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
614 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
615 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
616
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
617 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
618 complex_conjugate(PyObject *self)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
619 {
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
620 Py_complex c;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
621 c = ((PyComplexObject *)self)->cval;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
622 c.imag = -c.imag;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
623 return PyComplex_FromCComplex(c);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
624 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
625
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
626 static PyMethodDef complex_methods[] = {
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19051
diff changeset
627 {"conjugate", (PyCFunction)complex_conjugate, METH_NOARGS},
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
628 {NULL, NULL} /* sentinel */
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
629 };
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
630
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19974
diff changeset
631 static PyMemberDef complex_members[] = {
21993
4e996314f8fb backport gvanrossum's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21399
diff changeset
632 {"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
633 "the real part of a complex number"},
21993
4e996314f8fb backport gvanrossum's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21399
diff changeset
634 {"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
635 "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
636 {0},
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
637 };
3316
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 *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
640 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
641 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
642 extern double strtod(const char *, char **);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
643 const char *s, *start;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
644 char *end;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
645 double x=0.0, y=0.0, z;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
646 int got_re=0, got_im=0, done=0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
647 int digit_or_dot;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
648 int sw_error=0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
649 int sign;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
650 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
651 #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
652 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
653 #endif
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
654 int len;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
655
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
656 if (PyString_Check(v)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
657 s = PyString_AS_STRING(v);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
658 len = PyString_GET_SIZE(v);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
659 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
660 #ifdef Py_USING_UNICODE
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
661 else if (PyUnicode_Check(v)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
662 if (PyUnicode_GET_SIZE(v) >= sizeof(s_buffer)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
663 PyErr_SetString(PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
664 "complex() literal too large to convert");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
665 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
666 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
667 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
668 PyUnicode_GET_SIZE(v),
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
669 s_buffer,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
670 NULL))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
671 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
672 s = s_buffer;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
673 len = (int)strlen(s);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
674 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
675 #endif
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
676 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
677 PyErr_SetString(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
678 "complex() arg is not a string");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
679 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
680 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
681
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
682 /* position on first nonblank */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
683 start = s;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
684 while (*s && isspace(Py_CHARMASK(*s)))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
685 s++;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
686 if (s[0] == '\0') {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
687 PyErr_SetString(PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
688 "complex() arg is an empty string");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
689 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
690 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
691
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
692 z = -1.0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
693 sign = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
694 do {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
695
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
696 switch (*s) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
697
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
698 case '\0':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
699 if (s-start != len) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
700 PyErr_SetString(
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
701 PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
702 "complex() arg contains a null byte");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
703 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
704 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
705 if(!done) sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
706 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
707
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
708 case '-':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
709 sign = -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
710 /* Fallthrough */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
711 case '+':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
712 if (done) sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
713 s++;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
714 if ( *s=='\0'||*s=='+'||*s=='-' ||
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
715 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
716 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
717
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
718 case 'J':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
719 case 'j':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
720 if (got_im || done) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
721 sw_error = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
722 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
723 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
724 if (z<0.0) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
725 y=sign;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
726 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
727 else{
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
728 y=sign*z;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
729 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
730 got_im=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
731 s++;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
732 if (*s!='+' && *s!='-' )
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
733 done=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
734 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
735
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
736 default:
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
737 if (isspace(Py_CHARMASK(*s))) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
738 while (*s && isspace(Py_CHARMASK(*s)))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
739 s++;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
740 if (s[0] != '\0')
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
741 sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
742 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
743 done = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
744 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
745 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
746 digit_or_dot =
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
747 (*s=='.' || isdigit(Py_CHARMASK(*s)));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
748 if (done||!digit_or_dot) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
749 sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
750 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
751 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
752 errno = 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
753 PyFPE_START_PROTECT("strtod", return 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
754 z = strtod(s, &end) ;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
755 PyFPE_END_PROTECT(z)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
756 if (errno != 0) {
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
757 PyOS_snprintf(buffer, sizeof(buffer),
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
758 "float() out of range: %.150s", s);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
759 PyErr_SetString(
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
760 PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
761 buffer);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
762 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
763 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
764 s=end;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
765 if (*s=='J' || *s=='j') {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
766
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
767 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
768 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
769 if (got_re) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
770 sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
771 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
772 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
773
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
774 /* accept a real part */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
775 x=sign*z;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
776 got_re=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
777 if (got_im) done=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
778 z = -1.0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
779 sign = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
780 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
781
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
782 } /* end of switch */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
783
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
784 } while (*s!='\0' && !sw_error);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
785
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
786 if (sw_error) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
787 PyErr_SetString(PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
788 "complex() arg is a malformed string");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
789 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
790 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
791
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
792 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
793 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
794
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
795 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
796 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
797 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
798 PyObject *r, *i, *tmp;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
799 PyNumberMethods *nbr, *nbi = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
800 Py_complex cr, ci;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
801 int own_r = 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
802 static char *kwlist[] = {"real", "imag", 0};
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
803
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
804 r = Py_False;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
805 i = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
806 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
807 &r, &i))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
808 return NULL;
21399
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
809 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
810 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
811 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
812 "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
813 " 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
814 return NULL;
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
815 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
816 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
817 }
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
818 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
819 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
820 "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
821 return NULL;
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
822 }
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
823
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
824 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
825 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
826 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
827 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
828 ((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
829 PyErr_SetString(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
830 "complex() arg can't be converted to complex");
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 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
833 /* XXX Hack to support classes with __complex__ method */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
834 if (PyInstance_Check(r)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
835 static PyObject *complexstr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
836 PyObject *f;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
837 if (complexstr == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
838 complexstr = PyString_InternFromString("__complex__");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
839 if (complexstr == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
840 return NULL;
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 f = PyObject_GetAttr(r, complexstr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
843 if (f == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
844 PyErr_Clear();
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
845 else {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
846 PyObject *args = Py_BuildValue("()");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
847 if (args == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
848 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
849 r = PyEval_CallObject(f, args);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
850 Py_DECREF(args);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
851 Py_DECREF(f);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
852 if (r == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
853 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
854 own_r = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
855 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
856 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
857 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
858 /* 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
859 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
860 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
861 cr = ((PyComplexObject*)r)->cval;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
862 if (own_r) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
863 Py_DECREF(r);
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 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
866 else {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
867 tmp = PyNumber_Float(r);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
868 if (own_r) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
869 Py_DECREF(r);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
870 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
871 if (tmp == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
872 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
873 if (!PyFloat_Check(tmp)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
874 PyErr_SetString(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
875 "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
876 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
877 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
878 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
879 cr.real = PyFloat_AsDouble(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
880 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
881 cr.imag = 0.0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
882 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
883 if (i == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
884 ci.real = 0.0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
885 ci.imag = 0.0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
886 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
887 else if (PyComplex_Check(i))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
888 ci = ((PyComplexObject*)i)->cval;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
889 else {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
890 tmp = (*nbi->nb_float)(i);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
891 if (tmp == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
892 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
893 ci.real = PyFloat_AsDouble(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
894 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
895 ci.imag = 0.;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
896 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
897 cr.real -= ci.imag;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
898 cr.imag += ci.real;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
899 return complex_subtype_from_c_complex(type, cr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
900 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
901
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
902 static char 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
903 "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
904 "\n"
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
905 "Create a complex number from a real part and an optional imaginary part.\n"
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
906 "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
907
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
908 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
909 (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
910 (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
911 (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
912 (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
913 (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
914 (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
915 (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
916 (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
917 (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
918 (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
919 (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
920 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
921 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
922 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
923 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
924 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
925 0, /* nb_or */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
926 (coercion)complex_coerce, /* nb_coerce */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
927 (unaryfunc)complex_int, /* nb_int */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
928 (unaryfunc)complex_long, /* nb_long */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
929 (unaryfunc)complex_float, /* nb_float */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
930 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
931 0, /* nb_hex */
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
932 0, /* nb_inplace_add */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
933 0, /* nb_inplace_subtract */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
934 0, /* nb_inplace_multiply*/
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
935 0, /* nb_inplace_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
936 0, /* nb_inplace_remainder */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
937 0, /* nb_inplace_power */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
938 0, /* nb_inplace_lshift */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
939 0, /* nb_inplace_rshift */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
940 0, /* nb_inplace_and */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
941 0, /* nb_inplace_xor */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
942 0, /* nb_inplace_or */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
943 (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
944 (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
945 0, /* nb_inplace_floor_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
946 0, /* nb_inplace_true_divide */
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
947 };
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
948
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
949 PyTypeObject PyComplex_Type = {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
950 PyObject_HEAD_INIT(&PyType_Type)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
951 0,
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
952 "complex",
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
953 sizeof(PyComplexObject),
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
954 0,
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
955 (destructor)complex_dealloc, /* tp_dealloc */
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
956 (printfunc)complex_print, /* tp_print */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
957 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
958 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
959 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
960 (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
961 &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
962 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
963 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
964 (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
965 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
966 (reprfunc)complex_str, /* tp_str */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
967 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
968 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
969 0, /* tp_as_buffer */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
970 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
971 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
972 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
973 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
974 complex_richcompare, /* tp_richcompare */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
975 0, /* tp_weaklistoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
976 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
977 0, /* tp_iternext */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
978 complex_methods, /* tp_methods */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
979 complex_members, /* tp_members */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
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980 0, /* tp_getset */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
981 0, /* tp_base */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
982 0, /* tp_dict */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
983 0, /* tp_descr_get */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
984 0, /* tp_descr_set */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
985 0, /* tp_dictoffset */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
986 0, /* tp_init */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
987 0, /* tp_alloc */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
988 complex_new, /* tp_new */
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
989 _PyObject_Del, /* tp_free */
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
990 };
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
991
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
992 #endif