Mercurial > cpython-lru_cache-weakref

annotate Objects/complexobject.c @ 41929:24efa2e448bc legacy-trunk

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SF 1668596/1720897: distutils now copies data files even if package_dir is empty. This needs to be backported. I'm too tired tonight. It would be great if someone backports this if the buildbots are ok with it. Otherwise, I will try to get to it tomorrow.
author Neal Norwitz <nnorwitz@gmail.com>
date Fri, 01 Jun 2007 07:29:12 +0000
parents ebe52dbc3553
children 6620a510e9a9
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 #include "Python.h"
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9 #include "structmember.h"
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11 #ifndef WITHOUT_COMPLEX
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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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68
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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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78
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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 = EDOM;
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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
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Martin v. Löwis <martin@v.loewis.de>
parents: 19730
diff changeset
141 at = atan2(a.imag, a.real);
3316
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142 phase = at*b.real;
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parents:
diff changeset
143 if (b.imag != 0.0) {
e5d1f242daf9 complex numbers a la Konrad Hinsen
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parents:
diff changeset
144 len /= exp(at*b.imag);
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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);
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diff changeset
148 r.imag = len*sin(phase);
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parents:
diff changeset
149 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
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parents:
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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:
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152
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Tim Peters <tim.peters@gmail.com>
parents: 17029
diff changeset
153 static Py_complex
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parents: 17029
diff changeset
154 c_powu(Py_complex x, long n)
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Guido van Rossum <guido@python.org>
parents:
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155 {
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diff changeset
156 Py_complex r, p;
3316
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parents:
diff changeset
157 long mask = 1;
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parents: 3771
diff changeset
158 r = c_1;
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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;
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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
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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
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Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
172 Py_complex cn;
3316
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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
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parents:
diff changeset
177 return c_pow(x,cn);
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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:
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184 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
185
18933
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
186 static PyObject *
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parents: 17066
diff changeset
187 complex_subtype_from_c_complex(PyTypeObject *type, Py_complex cval)
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
188 {
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parents: 17066
diff changeset
189 PyObject *op;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
190
38533
3031a7110da9 Correctly allocate complex types with tp_alloc. (bug #1498638)
Georg Brandl <georg@python.org>
parents: 37815
diff changeset
191 op = type->tp_alloc(type, 0);
18933
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parents: 17066
diff changeset
192 if (op != NULL)
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parents: 17066
diff changeset
193 ((PyComplexObject *)op)->cval = cval;
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diff changeset
194 return op;
09df3254b49d Merge of descr-branch back into trunk.
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parents: 17066
diff changeset
195 }
09df3254b49d Merge of descr-branch back into trunk.
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diff changeset
196
3316
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parents:
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197 PyObject *
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
198 PyComplex_FromCComplex(Py_complex cval)
3316
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Guido van Rossum <guido@python.org>
parents:
diff changeset
199 {
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
200 register PyComplexObject *op;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
201
24898
a869d2de536f Call me anal, but there was a particular phrase that was speading to
Guido van Rossum <guido@python.org>
parents: 23832
diff changeset
202 /* Inline PyObject_New */
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
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parents: 11882
diff changeset
203 op = (PyComplexObject *) PyObject_MALLOC(sizeof(PyComplexObject));
3316
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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
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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
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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
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Tim Peters <tim.peters@gmail.com>
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diff changeset
211 static PyObject *
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
212 complex_subtype_from_doubles(PyTypeObject *type, double real, double imag)
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parents: 17066
diff changeset
213 {
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
214 Py_complex c;
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
215 c.real = real;
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parents: 17066
diff changeset
216 c.imag = imag;
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parents: 17066
diff changeset
217 return complex_subtype_from_c_complex(type, c);
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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
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Guido van Rossum <guido@python.org>
parents:
diff changeset
220 PyObject *
13452
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
221 PyComplex_FromDoubles(double real, double imag)
4025
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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).
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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
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
230 PyComplex_RealAsDouble(PyObject *op)
4025
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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
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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
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
241 PyComplex_ImagAsDouble(PyObject *op)
4025
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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
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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
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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
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
252 PyComplex_AsCComplex(PyObject *op)
4025
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parents: 3771
diff changeset
253 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
254 Py_complex cv;
41219
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
255 PyObject *newop = NULL;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
256 static PyObject *complex_str = NULL;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
257
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
258 assert(op);
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
259 /* If op is already of type PyComplex_Type, return its value */
3328
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
260 if (PyComplex_Check(op)) {
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
261 return ((PyComplexObject *)op)->cval;
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
262 }
41219
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
263 /* If not, use op's __complex__ method, if it exists */
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
264
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
265 /* return -1 on failure */
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
266 cv.real = -1.;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
267 cv.imag = 0.;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
268
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
269 if (PyInstance_Check(op)) {
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
270 /* this can go away in python 3000 */
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
271 if (PyObject_HasAttrString(op, "__complex__")) {
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
272 newop = PyObject_CallMethod(op, "__complex__", NULL);
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
273 if (!newop)
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
274 return cv;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
275 }
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
276 /* else try __float__ */
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
277 } else {
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
278 PyObject *complexfunc;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
279 if (!complex_str) {
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
280 if (!(complex_str = PyString_FromString("__complex__")))
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
281 return cv;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
282 }
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
283 complexfunc = _PyType_Lookup(op->ob_type, complex_str);
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
284 /* complexfunc is a borrowed reference */
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
285 if (complexfunc) {
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
286 newop = PyObject_CallFunctionObjArgs(complexfunc, op, NULL);
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
287 if (!newop)
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
288 return cv;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
289 }
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
290 }
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
291
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
292 if (newop) {
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
293 if (!PyComplex_Check(newop)) {
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
294 PyErr_SetString(PyExc_TypeError,
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
295 "__complex__ should return a complex object");
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
296 Py_DECREF(newop);
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
297 return cv;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
298 }
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
299 cv = ((PyComplexObject *)newop)->cval;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
300 Py_DECREF(newop);
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
301 return cv;
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
302 }
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
303 /* If neither of the above works, interpret op as a float giving the
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
304 real part of the result, and fill in the imaginary part as 0. */
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
305 else {
41219
ebe52dbc3553 Patch #1675423: PyComplex_AsCComplex() now tries to convert an object
Georg Brandl <georg@python.org>
parents: 41143
diff changeset
306 /* PyFloat_AsDouble will return -1 on failure */
3328
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
307 cv.real = PyFloat_AsDouble(op);
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
308 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
309 }
3328
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
310 }
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
311
3316
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Guido van Rossum <guido@python.org>
parents:
diff changeset
312 static void
13452
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
313 complex_dealloc(PyObject *op)
3316
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Guido van Rossum <guido@python.org>
parents:
diff changeset
314 {
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
315 op->ob_type->tp_free(op);
3316
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Guido van Rossum <guido@python.org>
parents:
diff changeset
316 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
317
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
318
3608
8573e65fa948 make some things static
Guido van Rossum <guido@python.org>
parents: 3350
diff changeset
319 static void
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
320 complex_to_buf(char *buf, int bufsz, PyComplexObject *v, int precision)
3316
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Guido van Rossum <guido@python.org>
parents:
diff changeset
321 {
32305
13656d58d450 Patch #774665: Make Python LC_NUMERIC agnostic.
Martin v. Löwis <martin@v.loewis.de>
parents: 30683
diff changeset
322 char format[32];
13656d58d450 Patch #774665: Make Python LC_NUMERIC agnostic.
Martin v. Löwis <martin@v.loewis.de>
parents: 30683
diff changeset
323 if (v->cval.real == 0.) {
39100
90d5d1fea4f2 Use sizeof(buffer) instead of duplicating the constants to ensure they won't
Neal Norwitz <nnorwitz@gmail.com>
parents: 38533
diff changeset
324 PyOS_snprintf(format, sizeof(format), "%%.%ig", precision);
90d5d1fea4f2 Use sizeof(buffer) instead of duplicating the constants to ensure they won't
Neal Norwitz <nnorwitz@gmail.com>
parents: 38533
diff changeset
325 PyOS_ascii_formatd(buf, bufsz - 1, format, v->cval.imag);
90d5d1fea4f2 Use sizeof(buffer) instead of duplicating the constants to ensure they won't
Neal Norwitz <nnorwitz@gmail.com>
parents: 38533
diff changeset
326 strncat(buf, "j", 1);
32305
13656d58d450 Patch #774665: Make Python LC_NUMERIC agnostic.
Martin v. Löwis <martin@v.loewis.de>
parents: 30683
diff changeset
327 } else {
13656d58d450 Patch #774665: Make Python LC_NUMERIC agnostic.
Martin v. Löwis <martin@v.loewis.de>
parents: 30683
diff changeset
328 char re[64], im[64];
35580
f4c2c61cb560 backport patch [ 1118729 ] Error in representation of complex numbers(again)
Georg Brandl <georg@python.org>
parents: 34195
diff changeset
329 /* Format imaginary part with sign, real part without */
39100
90d5d1fea4f2 Use sizeof(buffer) instead of duplicating the constants to ensure they won't
Neal Norwitz <nnorwitz@gmail.com>
parents: 38533
diff changeset
330 PyOS_snprintf(format, sizeof(format), "%%.%ig", precision);
90d5d1fea4f2 Use sizeof(buffer) instead of duplicating the constants to ensure they won't
Neal Norwitz <nnorwitz@gmail.com>
parents: 38533
diff changeset
331 PyOS_ascii_formatd(re, sizeof(re), format, v->cval.real);
90d5d1fea4f2 Use sizeof(buffer) instead of duplicating the constants to ensure they won't
Neal Norwitz <nnorwitz@gmail.com>
parents: 38533
diff changeset
332 PyOS_snprintf(format, sizeof(format), "%%+.%ig", precision);
90d5d1fea4f2 Use sizeof(buffer) instead of duplicating the constants to ensure they won't
Neal Norwitz <nnorwitz@gmail.com>
parents: 38533
diff changeset
333 PyOS_ascii_formatd(im, sizeof(im), format, v->cval.imag);
35580
f4c2c61cb560 backport patch [ 1118729 ] Error in representation of complex numbers(again)
Georg Brandl <georg@python.org>
parents: 34195
diff changeset
334 PyOS_snprintf(buf, bufsz, "(%s%sj)", re, im);
32305
13656d58d450 Patch #774665: Make Python LC_NUMERIC agnostic.
Martin v. Löwis <martin@v.loewis.de>
parents: 30683
diff changeset
335 }
3316
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Guido van Rossum <guido@python.org>
parents:
diff changeset
336 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
337
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
338 static int
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
339 complex_print(PyComplexObject *v, FILE *fp, int flags)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
340 {
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
341 char buf[100];
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
342 complex_to_buf(buf, sizeof(buf), v,
17029
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
343 (flags & Py_PRINT_RAW) ? PREC_STR : PREC_REPR);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
344 fputs(buf, fp);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
345 return 0;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
346 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
347
5396
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Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
348 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
349 complex_repr(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
350 {
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
351 char buf[100];
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
352 complex_to_buf(buf, sizeof(buf), v, PREC_REPR);
17029
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
353 return PyString_FromString(buf);
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
354 }
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
355
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
356 static PyObject *
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
357 complex_str(PyComplexObject *v)
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
358 {
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
359 char buf[100];
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
360 complex_to_buf(buf, sizeof(buf), v, PREC_STR);
5396
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Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
361 return PyString_FromString(buf);
3316
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Guido van Rossum <guido@python.org>
parents:
diff changeset
362 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
363
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
364 static long
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
365 complex_hash(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
366 {
13976
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
367 long hashreal, hashimag, combined;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
368 hashreal = _Py_HashDouble(v->cval.real);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
369 if (hashreal == -1)
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
370 return -1;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
371 hashimag = _Py_HashDouble(v->cval.imag);
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
372 if (hashimag == -1)
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
373 return -1;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
374 /* Note: if the imaginary part is 0, hashimag is 0 now,
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
375 * so the following returns hashreal unchanged. This is
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
376 * important because numbers of different types that
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
377 * compare equal must have the same hash value, so that
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
378 * hash(x + 0*j) must equal hash(x).
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
379 */
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
380 combined = hashreal + 1000003 * hashimag;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
381 if (combined == -1)
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
382 combined = -2;
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13761
diff changeset
383 return combined;
3316
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Guido van Rossum <guido@python.org>
parents:
diff changeset
384 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
385
5396
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Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
386 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
387 complex_add(PyComplexObject *v, PyComplexObject *w)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
388 {
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
389 Py_complex result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
390 PyFPE_START_PROTECT("complex_add", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
391 result = c_sum(v->cval,w->cval);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
392 PyFPE_END_PROTECT(result)
5396
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Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
393 return PyComplex_FromCComplex(result);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
394 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
395
5396
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Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
396 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
397 complex_sub(PyComplexObject *v, PyComplexObject *w)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
398 {
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
399 Py_complex result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
400 PyFPE_START_PROTECT("complex_sub", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
401 result = c_diff(v->cval,w->cval);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
402 PyFPE_END_PROTECT(result)
5396
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Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
403 return PyComplex_FromCComplex(result);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
404 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
405
5396
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Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
406 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
407 complex_mul(PyComplexObject *v, PyComplexObject *w)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
408 {
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
409 Py_complex result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
410 PyFPE_START_PROTECT("complex_mul", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
411 result = c_prod(v->cval,w->cval);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
412 PyFPE_END_PROTECT(result)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
413 return PyComplex_FromCComplex(result);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
414 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
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_div(PyComplexObject *v, PyComplexObject *w)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
418 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
419 Py_complex quot;
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
420 PyFPE_START_PROTECT("complex_div", return 0)
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
421 errno = 0;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
422 quot = c_quot(v->cval,w->cval);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
423 PyFPE_END_PROTECT(quot)
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
424 if (errno == EDOM) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
425 PyErr_SetString(PyExc_ZeroDivisionError, "complex division");
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
426 return NULL;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
427 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
428 return PyComplex_FromCComplex(quot);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
429 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
430
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
431 static PyObject *
19633
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
432 complex_classic_div(PyComplexObject *v, PyComplexObject *w)
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
433 {
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
434 Py_complex quot;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
435
19673
b3271297b984 PEP 238 documented -Qwarn as warning only for classic int or long
Guido van Rossum <guido@python.org>
parents: 19633
diff changeset
436 if (Py_DivisionWarningFlag >= 2 &&
19633
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
437 PyErr_Warn(PyExc_DeprecationWarning,
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
438 "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
439 return NULL;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
440
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
441 PyFPE_START_PROTECT("complex_classic_div", return 0)
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
442 errno = 0;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
443 quot = c_quot(v->cval,w->cval);
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
444 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
445 if (errno == EDOM) {
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
446 PyErr_SetString(PyExc_ZeroDivisionError, "complex division");
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
447 return NULL;
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
448 }
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
449 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
450 }
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
451
c0a44829bcd5 Add warning mode for classic division, almost exactly as specified in
Guido van Rossum <guido@python.org>
parents: 19343
diff changeset
452 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
453 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
454 {
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
455 Py_complex div, mod;
23043
7fecd6d58f38 Deprecate % as well. The message for deprecation of //, % and divmod
Guido van Rossum <guido@python.org>
parents: 23039
diff changeset
456
7fecd6d58f38 Deprecate % as well. The message for deprecation of //, % and divmod
Guido van Rossum <guido@python.org>
parents: 23039
diff changeset
457 if (PyErr_Warn(PyExc_DeprecationWarning,
7fecd6d58f38 Deprecate % as well. The message for deprecation of //, % and divmod
Guido van Rossum <guido@python.org>
parents: 23039
diff changeset
458 "complex divmod(), // and % are deprecated") < 0)
7fecd6d58f38 Deprecate % as well. The message for deprecation of //, % and divmod
Guido van Rossum <guido@python.org>
parents: 23039
diff changeset
459 return NULL;
7fecd6d58f38 Deprecate % as well. The message for deprecation of //, % and divmod
Guido van Rossum <guido@python.org>
parents: 23039
diff changeset
460
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
461 errno = 0;
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
462 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
463 if (errno == EDOM) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
464 PyErr_SetString(PyExc_ZeroDivisionError, "complex remainder");
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
465 return NULL;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
466 }
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
467 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
468 div.imag = 0.0;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
469 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
470
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
471 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
472 }
cb841f1b022e Don't dump core on complex % or divmod -- raise a TypeError exception.
Guido van Rossum <guido@python.org>
parents: 4025
diff changeset
473
cb841f1b022e Don't dump core on complex % or divmod -- raise a TypeError exception.
Guido van Rossum <guido@python.org>
parents: 4025
diff changeset
474
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
475 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
476 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
477 {
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
478 Py_complex div, mod;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
479 PyObject *d, *m, *z;
23039
454351ef50f1 SF bug #543387.
Guido van Rossum <guido@python.org>
parents: 23031
diff changeset
480
454351ef50f1 SF bug #543387.
Guido van Rossum <guido@python.org>
parents: 23031
diff changeset
481 if (PyErr_Warn(PyExc_DeprecationWarning,
23043
7fecd6d58f38 Deprecate % as well. The message for deprecation of //, % and divmod
Guido van Rossum <guido@python.org>
parents: 23039
diff changeset
482 "complex divmod(), // and % are deprecated") < 0)
23039
454351ef50f1 SF bug #543387.
Guido van Rossum <guido@python.org>
parents: 23031
diff changeset
483 return NULL;
454351ef50f1 SF bug #543387.
Guido van Rossum <guido@python.org>
parents: 23031
diff changeset
484
5559
1eced1aaad5a Got rid of c_error in favor of errno (and EDOM/ERANGE).
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
485 errno = 0;
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
486 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
487 if (errno == EDOM) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
488 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
489 return NULL;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
490 }
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
491 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
492 div.imag = 0.0;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
493 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
494 d = PyComplex_FromCComplex(div);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
495 m = PyComplex_FromCComplex(mod);
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30252
diff changeset
496 z = PyTuple_Pack(2, d, m);
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
497 Py_XDECREF(d);
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
498 Py_XDECREF(m);
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
499 return z;
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
500 }
3316
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_pow(PyComplexObject *v, PyObject *w, PyComplexObject *z)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
504 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
505 Py_complex p;
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
506 Py_complex exponent;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
507 long int_exponent;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
508
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
509 if ((PyObject *)z!=Py_None) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
510 PyErr_SetString(PyExc_ValueError, "complex modulo");
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
511 return NULL;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
512 }
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
513 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
514 errno = 0;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
515 exponent = ((PyComplexObject*)w)->cval;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
516 int_exponent = (long)exponent.real;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
517 if (exponent.imag == 0. && exponent.real == int_exponent)
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
518 p = c_powi(v->cval,int_exponent);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
519 else
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
520 p = c_pow(v->cval,exponent);
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
521
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
522 PyFPE_END_PROTECT(p)
22540
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
523 Py_ADJUST_ERANGE2(p.real, p.imag);
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
524 if (errno == EDOM) {
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
525 PyErr_SetString(PyExc_ZeroDivisionError,
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
526 "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
527 return NULL;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
528 }
22540
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
529 else if (errno == ERANGE) {
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
530 PyErr_SetString(PyExc_OverflowError,
41085
f75457d7532c Fix SF #1676971, Complex OverflowError has a typo
Neal Norwitz <nnorwitz@gmail.com>
parents: 39100
diff changeset
531 "complex exponentiation");
22540
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
532 return NULL;
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
533 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
534 return PyComplex_FromCComplex(p);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
535 }
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 static PyObject *
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
538 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
539 {
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
540 PyObject *t, *r;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
541
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
542 t = complex_divmod(v, w);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
543 if (t != NULL) {
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
544 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
545 Py_INCREF(r);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
546 Py_DECREF(t);
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
547 return r;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
548 }
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
549 return NULL;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
550 }
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
551
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
552 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
553 complex_neg(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
554 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
555 Py_complex neg;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
556 neg.real = -v->cval.real;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
557 neg.imag = -v->cval.imag;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
558 return PyComplex_FromCComplex(neg);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
559 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
560
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
561 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
562 complex_pos(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
563 {
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
564 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
565 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
566 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
567 }
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
568 else
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
569 return PyComplex_FromCComplex(v->cval);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
570 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
571
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
572 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
573 complex_abs(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
574 {
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
575 double result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
576 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
577 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
578 PyFPE_END_PROTECT(result)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
579 return PyFloat_FromDouble(result);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
580 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
581
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
582 static int
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
583 complex_nonzero(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
584 {
9940
93b9eafe1f1d Ai! complex_nonzero() has && which should be ||, else decidedly
Guido van Rossum <guido@python.org>
parents: 8261
diff changeset
585 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
586 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
587
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
588 static int
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
589 complex_coerce(PyObject **pv, PyObject **pw)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
590 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
591 Py_complex cval;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
592 cval.imag = 0.;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
593 if (PyInt_Check(*pw)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
594 cval.real = (double)PyInt_AsLong(*pw);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
595 *pw = PyComplex_FromCComplex(cval);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
596 Py_INCREF(*pv);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
597 return 0;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
598 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
599 else if (PyLong_Check(*pw)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
600 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
601 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
602 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
603 *pw = PyComplex_FromCComplex(cval);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
604 Py_INCREF(*pv);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
605 return 0;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
606 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
607 else if (PyFloat_Check(*pw)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
608 cval.real = PyFloat_AsDouble(*pw);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
609 *pw = PyComplex_FromCComplex(cval);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
610 Py_INCREF(*pv);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
611 return 0;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
612 }
19974
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
613 else if (PyComplex_Check(*pw)) {
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
614 Py_INCREF(*pv);
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
615 Py_INCREF(*pw);
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
616 return 0;
8edc44bd0ac7 complex_coerce(): add explicit PyComplex_Check() test. Previously,
Guido van Rossum <guido@python.org>
parents: 19889
diff changeset
617 }
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
618 return 1; /* Can't do it */
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
619 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
620
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
621 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
622 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
623 {
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
624 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
625 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
626 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
627
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
628 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
629 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
630 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
631 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
632 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
633 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
634 }
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20061
diff changeset
635 /* 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
636 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
637 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
638 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
639 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
640 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
641 }
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
642
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
643 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
644 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
645 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
646 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
647
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
648 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
649 PyErr_SetString(PyExc_TypeError,
34195
46fa0e20cbcf Bug #1079011: Incorrect error message (somewhat)
Raymond Hettinger <python@rcn.com>
parents: 33233
diff changeset
650 "no ordering relation is defined for complex numbers");
20061
2caddb82ffea Do the same thing to complex that I did to str: the rich comparison
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
651 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
652 }
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
653
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
654 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
655 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
656 else
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
657 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
658
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
659 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
660 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
661 }
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
662
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
663 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
664 complex_int(PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
665 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
666 PyErr_SetString(PyExc_TypeError,
30252
66654ac69622 Remove 'e.g.' from error message
Raymond Hettinger <python@rcn.com>
parents: 30155
diff changeset
667 "can't convert complex to int; use int(abs(z))");
4290
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
668 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
669 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
670
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
671 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
672 complex_long(PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
673 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
674 PyErr_SetString(PyExc_TypeError,
30252
66654ac69622 Remove 'e.g.' from error message
Raymond Hettinger <python@rcn.com>
parents: 30155
diff changeset
675 "can't convert complex to long; use long(abs(z))");
4290
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
676 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
677 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
678
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
679 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
680 complex_float(PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
681 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
682 PyErr_SetString(PyExc_TypeError,
30252
66654ac69622 Remove 'e.g.' from error message
Raymond Hettinger <python@rcn.com>
parents: 30155
diff changeset
683 "can't convert complex to float; use abs(z)");
4290
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
684 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
685 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
686
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
687 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
688 complex_conjugate(PyObject *self)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
689 {
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
690 Py_complex c;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
691 c = ((PyComplexObject *)self)->cval;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
692 c.imag = -c.imag;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
693 return PyComplex_FromCComplex(c);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
694 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
695
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
696 static PyObject *
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
697 complex_getnewargs(PyComplexObject *v)
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
698 {
28134
cde444184336 Fix from Greg Chapman from SF bug #695651: a complex subclass
Guido van Rossum <guido@python.org>
parents: 27521
diff changeset
699 return Py_BuildValue("(D)", &v->cval);
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
700 }
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
701
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
702 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
703 {"conjugate", (PyCFunction)complex_conjugate, METH_NOARGS},
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
704 {"__getnewargs__", (PyCFunction)complex_getnewargs, METH_NOARGS},
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
705 {NULL, NULL} /* sentinel */
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
706 };
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
707
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19974
diff changeset
708 static PyMemberDef complex_members[] = {
21894
f245955b3fbe Declare real and imag as read-only attributes.
Guido van Rossum <guido@python.org>
parents: 21399
diff changeset
709 {"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
710 "the real part of a complex number"},
21894
f245955b3fbe Declare real and imag as read-only attributes.
Guido van Rossum <guido@python.org>
parents: 21399
diff changeset
711 {"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
712 "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
713 {0},
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
714 };
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
715
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
716 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
717 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
718 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
719 const char *s, *start;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
720 char *end;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
721 double x=0.0, y=0.0, z;
41093
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
722 int got_re=0, got_im=0, got_bracket=0, done=0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
723 int digit_or_dot;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
724 int sw_error=0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
725 int sign;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
726 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
727 #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
728 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
729 #endif
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
730 Py_ssize_t len;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
731
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
732 if (PyString_Check(v)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
733 s = PyString_AS_STRING(v);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
734 len = PyString_GET_SIZE(v);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
735 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
736 #ifdef Py_USING_UNICODE
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
737 else if (PyUnicode_Check(v)) {
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37304
diff changeset
738 if (PyUnicode_GET_SIZE(v) >= (Py_ssize_t)sizeof(s_buffer)) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
739 PyErr_SetString(PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
740 "complex() literal too large to convert");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
741 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
742 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
743 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
744 PyUnicode_GET_SIZE(v),
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
745 s_buffer,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
746 NULL))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
747 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
748 s = s_buffer;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
749 len = strlen(s);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
750 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
751 #endif
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
752 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
753 PyErr_SetString(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
754 "complex() arg is not a string");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
755 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
756 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
757
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
758 /* position on first nonblank */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
759 start = s;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
760 while (*s && isspace(Py_CHARMASK(*s)))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
761 s++;
41093
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
762 if (s[0] == '\0') {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
763 PyErr_SetString(PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
764 "complex() arg is an empty string");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
765 return NULL;
41093
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
766 }
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
767 if (s[0] == '(') {
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
768 /* Skip over possible bracket from repr(). */
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
769 got_bracket = 1;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
770 s++;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
771 while (*s && isspace(Py_CHARMASK(*s)))
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
772 s++;
18933
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
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
775 z = -1.0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
776 sign = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
777 do {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
778
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
779 switch (*s) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
780
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
781 case '\0':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
782 if (s-start != len) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
783 PyErr_SetString(
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
784 PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
785 "complex() arg contains a null byte");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
786 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
787 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
788 if(!done) sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
789 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
790
41093
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
791 case ')':
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
792 if (!got_bracket || !(got_re || got_im)) {
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
793 sw_error=1;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
794 break;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
795 }
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
796 got_bracket=0;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
797 done=1;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
798 s++;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
799 while (*s && isspace(Py_CHARMASK(*s)))
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
800 s++;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
801 if (*s) sw_error=1;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
802 break;
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
803
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
804 case '-':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
805 sign = -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
806 /* Fallthrough */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
807 case '+':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
808 if (done) sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
809 s++;
41093
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
810 if ( *s=='\0'||*s=='+'||*s=='-'||*s==')'||
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
811 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
812 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
813
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
814 case 'J':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
815 case 'j':
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
816 if (got_im || done) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
817 sw_error = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
818 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
819 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
820 if (z<0.0) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
821 y=sign;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
822 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
823 else{
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
824 y=sign*z;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
825 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
826 got_im=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
827 s++;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
828 if (*s!='+' && *s!='-' )
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
829 done=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
830 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
831
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
832 default:
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
833 if (isspace(Py_CHARMASK(*s))) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
834 while (*s && isspace(Py_CHARMASK(*s)))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
835 s++;
41093
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
836 if (*s && *s != ')')
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
837 sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
838 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
839 done = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
840 break;
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 digit_or_dot =
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
843 (*s=='.' || isdigit(Py_CHARMASK(*s)));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
844 if (done||!digit_or_dot) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
845 sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
846 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
847 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
848 errno = 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
849 PyFPE_START_PROTECT("strtod", return 0)
32305
13656d58d450 Patch #774665: Make Python LC_NUMERIC agnostic.
Martin v. Löwis <martin@v.loewis.de>
parents: 30683
diff changeset
850 z = PyOS_ascii_strtod(s, &end) ;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
851 PyFPE_END_PROTECT(z)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
852 if (errno != 0) {
21078
025ad27d4224 complex_to_buf(), complex_subtype_from_c_complex(): Conversion of
Barry Warsaw <barry@python.org>
parents: 20666
diff changeset
853 PyOS_snprintf(buffer, sizeof(buffer),
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
854 "float() out of range: %.150s", s);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
855 PyErr_SetString(
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
856 PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
857 buffer);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
858 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
859 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
860 s=end;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
861 if (*s=='J' || *s=='j') {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
862
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
863 break;
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 if (got_re) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
866 sw_error=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
867 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
868 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
869
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
870 /* accept a real part */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
871 x=sign*z;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
872 got_re=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
873 if (got_im) done=1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
874 z = -1.0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
875 sign = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
876 break;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
877
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
878 } /* end of switch */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
879
23031
5bda546ebe24 SF bug 543840: complex(string) accepts strings with \0
Tim Peters <tim.peters@gmail.com>
parents: 22974
diff changeset
880 } while (s - start < len && !sw_error);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
881
41093
47ac1bfea304 Patch #1491866: change the complex() constructor to allow parthensized forms. This means complex(repr(x)) now works instead of raising a ValueError.
Collin Winter <collinw@gmail.com>
parents: 41085
diff changeset
882 if (sw_error || got_bracket) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
883 PyErr_SetString(PyExc_ValueError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
884 "complex() arg is a malformed string");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
885 return NULL;
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
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
888 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
889 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
890
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
891 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
892 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
893 {
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
894 PyObject *r, *i, *tmp, *f;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
895 PyNumberMethods *nbr, *nbi = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
896 Py_complex cr, ci;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
897 int own_r = 0;
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
898 static PyObject *complexstr;
36675
dba6494735d0 Revert backwards-incompatible const changes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
899 static char *kwlist[] = {"real", "imag", 0};
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
900
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
901 r = Py_False;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
902 i = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
903 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
904 &r, &i))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
905 return NULL;
25064
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
906
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
907 /* Special-case for a single argument when type(arg) is complex. */
28134
cde444184336 Fix from Greg Chapman from SF bug #695651: a complex subclass
Guido van Rossum <guido@python.org>
parents: 27521
diff changeset
908 if (PyComplex_CheckExact(r) && i == NULL &&
cde444184336 Fix from Greg Chapman from SF bug #695651: a complex subclass
Guido van Rossum <guido@python.org>
parents: 27521
diff changeset
909 type == &PyComplex_Type) {
25064
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
910 /* Note that we can't know whether it's safe to return
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
911 a complex *subclass* instance as-is, hence the restriction
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
912 to exact complexes here. If either the input or the
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
913 output is a complex subclass, it will be handled below
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
914 as a non-orthogonal vector. */
25064
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
915 Py_INCREF(r);
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
916 return r;
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
917 }
21399
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
918 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
919 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
920 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
921 "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
922 " 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
923 return NULL;
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
924 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
925 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
926 }
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
927 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
928 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
929 "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
930 return NULL;
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
931 }
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
932
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
933 /* XXX Hack to support classes with __complex__ method */
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
934 if (complexstr == NULL) {
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
935 complexstr = PyString_InternFromString("__complex__");
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
936 if (complexstr == NULL)
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
937 return NULL;
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
938 }
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
939 f = PyObject_GetAttr(r, complexstr);
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
940 if (f == NULL)
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
941 PyErr_Clear();
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
942 else {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30252
diff changeset
943 PyObject *args = PyTuple_New(0);
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
944 if (args == NULL)
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
945 return NULL;
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
946 r = PyEval_CallObject(f, args);
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
947 Py_DECREF(args);
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
948 Py_DECREF(f);
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
949 if (r == NULL)
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
950 return NULL;
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
951 own_r = 1;
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
952 }
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
953 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
954 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
955 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
956 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
957 ((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
958 PyErr_SetString(PyExc_TypeError,
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
959 "complex() argument must be a string or a number");
30155
e3281b0df6a4 complex_new(): This could leak when the argument was neither string nor
Tim Peters <tim.peters@gmail.com>
parents: 29520
diff changeset
960 if (own_r) {
e3281b0df6a4 complex_new(): This could leak when the argument was neither string nor
Tim Peters <tim.peters@gmail.com>
parents: 29520
diff changeset
961 Py_DECREF(r);
e3281b0df6a4 complex_new(): This could leak when the argument was neither string nor
Tim Peters <tim.peters@gmail.com>
parents: 29520
diff changeset
962 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
963 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
964 }
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
965
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
966 /* If we get this far, then the "real" and "imag" parts should
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
967 both be treated as numbers, and the constructor should return a
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
968 complex number equal to (real + imag*1j).
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
969
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
970 Note that we do NOT assume the input to already be in canonical
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
971 form; the "real" and "imag" parts might themselves be complex
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
972 numbers, which slightly complicates the code below. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
973 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
974 /* 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
975 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
976 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
977 cr = ((PyComplexObject*)r)->cval;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
978 if (own_r) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
979 Py_DECREF(r);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
980 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
981 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
982 else {
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
983 /* The "real" part really is entirely real, and contributes
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
984 nothing in the imaginary direction.
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
985 Just treat it as a double. */
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
986 cr.imag = 0.0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
987 tmp = PyNumber_Float(r);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
988 if (own_r) {
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
989 /* r was a newly created complex number, rather
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
990 than the original "real" argument. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
991 Py_DECREF(r);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
992 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
993 if (tmp == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
994 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
995 if (!PyFloat_Check(tmp)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
996 PyErr_SetString(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
997 "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
998 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
999 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1000 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1001 cr.real = PyFloat_AsDouble(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1002 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1003 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1004 if (i == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1005 ci.real = 0.0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1006 ci.imag = 0.0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1007 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1008 else if (PyComplex_Check(i))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1009 ci = ((PyComplexObject*)i)->cval;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1010 else {
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1011 /* The "imag" part really is entirely imaginary, and
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1012 contributes nothing in the real direction.
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1013 Just treat it as a double. */
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1014 ci.imag = 0.0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1015 tmp = (*nbi->nb_float)(i);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1016 if (tmp == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1017 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1018 ci.real = PyFloat_AsDouble(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1019 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1020 }
41143
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1021 /* If the input was in canonical form, then the "real" and "imag"
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1022 parts are real numbers, so that ci.real and cr.imag are zero.
bed57dff3db8 Patch #1642844: comments to clarify the complexobject constructor.
Georg Brandl <georg@python.org>
parents: 41093
diff changeset
1023 We need this correction in case they were not real numbers. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1024 cr.real -= ci.imag;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1025 cr.imag += ci.real;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1026 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
1027 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1028
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23820
diff changeset
1029 PyDoc_STRVAR(complex_doc,
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1030 "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
1031 "\n"
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1032 "Create a complex number from a real part and an optional imaginary part.\n"
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23820
diff changeset
1033 "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
1034
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
1035 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
1036 (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
1037 (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
1038 (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
1039 (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
1040 (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
1041 (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
1042 (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
1043 (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
1044 (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
1045 (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
1046 (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
1047 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
1048 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
1049 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
1050 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
1051 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
1052 0, /* nb_or */
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 36675
diff changeset
1053 complex_coerce, /* nb_coerce */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 36675
diff changeset
1054 complex_int, /* nb_int */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 36675
diff changeset
1055 complex_long, /* nb_long */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 36675
diff changeset
1056 complex_float, /* nb_float */
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1057 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
1058 0, /* nb_hex */
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1059 0, /* nb_inplace_add */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1060 0, /* nb_inplace_subtract */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1061 0, /* nb_inplace_multiply*/
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1062 0, /* nb_inplace_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1063 0, /* nb_inplace_remainder */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1064 0, /* nb_inplace_power */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1065 0, /* nb_inplace_lshift */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1066 0, /* nb_inplace_rshift */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1067 0, /* nb_inplace_and */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1068 0, /* nb_inplace_xor */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1069 0, /* nb_inplace_or */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1070 (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
1071 (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
1072 0, /* nb_inplace_floor_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1073 0, /* nb_inplace_true_divide */
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1074 };
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1075
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
1076 PyTypeObject PyComplex_Type = {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
1077 PyObject_HEAD_INIT(&PyType_Type)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1078 0,
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1079 "complex",
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
1080 sizeof(PyComplexObject),
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1081 0,
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 36675
diff changeset
1082 complex_dealloc, /* tp_dealloc */
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1083 (printfunc)complex_print, /* tp_print */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1084 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
1085 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
1086 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
1087 (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
1088 &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
1089 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
1090 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
1091 (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
1092 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
1093 (reprfunc)complex_str, /* tp_str */
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 17066
diff changeset
1094 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
1095 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
1096 0, /* tp_as_buffer */
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 17066
diff changeset
1097 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1098 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
1099 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
1100 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
1101 complex_richcompare, /* tp_richcompare */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1102 0, /* tp_weaklistoffset */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1103 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1104 0, /* tp_iternext */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1105 complex_methods, /* tp_methods */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1106 complex_members, /* tp_members */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1107 0, /* tp_getset */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1108 0, /* tp_base */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1109 0, /* tp_dict */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1110 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1111 0, /* tp_descr_set */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1112 0, /* tp_dictoffset */
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1113 0, /* tp_init */
38533
3031a7110da9 Correctly allocate complex types with tp_alloc. (bug #1498638)
Georg Brandl <georg@python.org>
parents: 37815
diff changeset
1114 PyType_GenericAlloc, /* tp_alloc */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1115 complex_new, /* tp_new */
22974
72778ec94dec PyObject_Del can now be used as a function designator.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22540
diff changeset
1116 PyObject_Del, /* tp_free */
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1117 };
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1118
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1119 #endif