Mercurial > cpython-lru_cache-weakref

annotate Objects/complexobject.c @ 56748:8eff759d080f

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Merged revisions 75711 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r75711 | mark.dickinson | 2009-10-26 11:59:30 +0000 (Mon, 26 Oct 2009) | 1 line Skip readline tests if readline module is not available. ........
author Mark Dickinson <dickinsm@gmail.com>
date Mon, 26 Oct 2009 12:01:06 +0000
parents 0f9e8d3ecac3
children 4cbea9e78356
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 #ifdef HAVE_IEEEFP_H
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12 #include <ieeefp.h>
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13 #endif
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14
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15 /* elementary operations on complex numbers */
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16
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17 static Py_complex c_1 = {1., 0.};
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19 Py_complex
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20 c_sum(Py_complex a, Py_complex b)
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21 {
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22 Py_complex r;
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23 r.real = a.real + b.real;
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24 r.imag = a.imag + b.imag;
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25 return r;
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26 }
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27
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28 Py_complex
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29 c_diff(Py_complex a, Py_complex b)
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30 {
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31 Py_complex r;
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32 r.real = a.real - b.real;
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33 r.imag = a.imag - b.imag;
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34 return r;
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35 }
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36
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37 Py_complex
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38 c_neg(Py_complex a)
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39 {
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40 Py_complex r;
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41 r.real = -a.real;
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42 r.imag = -a.imag;
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43 return r;
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44 }
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45
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46 Py_complex
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47 c_prod(Py_complex a, Py_complex b)
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48 {
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49 Py_complex r;
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50 r.real = a.real*b.real - a.imag*b.imag;
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51 r.imag = a.real*b.imag + a.imag*b.real;
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52 return r;
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53 }
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54
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55 Py_complex
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56 c_quot(Py_complex a, Py_complex b)
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57 {
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58 /******************************************************************
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59 This was the original algorithm. It's grossly prone to spurious
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60 overflow and underflow errors. It also merrily divides by 0 despite
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61 checking for that(!). The code still serves a doc purpose here, as
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62 the algorithm following is a simple by-cases transformation of this
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63 one:
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64
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65 Py_complex r;
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66 double d = b.real*b.real + b.imag*b.imag;
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67 if (d == 0.)
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68 errno = EDOM;
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69 r.real = (a.real*b.real + a.imag*b.imag)/d;
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70 r.imag = (a.imag*b.real - a.real*b.imag)/d;
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71 return r;
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72 ******************************************************************/
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73
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74 /* This algorithm is better, and is pretty obvious: first divide the
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75 * numerators and denominator by whichever of {b.real, b.imag} has
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76 * larger magnitude. The earliest reference I found was to CACM
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77 * Algorithm 116 (Complex Division, Robert L. Smith, Stanford
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78 * University). As usual, though, we're still ignoring all IEEE
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79 * endcases.
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80 */
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81 Py_complex r; /* the result */
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82 const double abs_breal = b.real < 0 ? -b.real : b.real;
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83 const double abs_bimag = b.imag < 0 ? -b.imag : b.imag;
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84
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85 if (abs_breal >= abs_bimag) {
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86 /* divide tops and bottom by b.real */
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87 if (abs_breal == 0.0) {
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88 errno = EDOM;
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89 r.real = r.imag = 0.0;
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90 }
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91 else {
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92 const double ratio = b.imag / b.real;
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93 const double denom = b.real + b.imag * ratio;
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94 r.real = (a.real + a.imag * ratio) / denom;
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95 r.imag = (a.imag - a.real * ratio) / denom;
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96 }
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97 }
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98 else {
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99 /* divide tops and bottom by b.imag */
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100 const double ratio = b.real / b.imag;
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101 const double denom = b.real * ratio + b.imag;
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102 assert(b.imag != 0.0);
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103 r.real = (a.real * ratio + a.imag) / denom;
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104 r.imag = (a.imag * ratio - a.real) / denom;
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105 }
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106 return r;
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107 }
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108
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109 Py_complex
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110 c_pow(Py_complex a, Py_complex b)
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111 {
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112 Py_complex r;
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113 double vabs,len,at,phase;
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114 if (b.real == 0. && b.imag == 0.) {
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115 r.real = 1.;
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116 r.imag = 0.;
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117 }
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118 else if (a.real == 0. && a.imag == 0.) {
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119 if (b.imag != 0. || b.real < 0.)
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120 errno = EDOM;
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121 r.real = 0.;
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122 r.imag = 0.;
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123 }
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124 else {
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125 vabs = hypot(a.real,a.imag);
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126 len = pow(vabs,b.real);
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127 at = atan2(a.imag, a.real);
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128 phase = at*b.real;
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129 if (b.imag != 0.0) {
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130 len /= exp(at*b.imag);
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131 phase += b.imag*log(vabs);
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132 }
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133 r.real = len*cos(phase);
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134 r.imag = len*sin(phase);
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135 }
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136 return r;
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137 }
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138
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139 static Py_complex
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140 c_powu(Py_complex x, long n)
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141 {
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142 Py_complex r, p;
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143 long mask = 1;
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144 r = c_1;
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145 p = x;
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146 while (mask > 0 && n >= mask) {
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147 if (n & mask)
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148 r = c_prod(r,p);
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149 mask <<= 1;
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150 p = c_prod(p,p);
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151 }
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152 return r;
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153 }
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154
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155 static Py_complex
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156 c_powi(Py_complex x, long n)
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157 {
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158 Py_complex cn;
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159
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160 if (n > 100 || n < -100) {
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161 cn.real = (double) n;
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162 cn.imag = 0.;
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163 return c_pow(x,cn);
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164 }
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165 else if (n > 0)
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166 return c_powu(x,n);
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167 else
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168 return c_quot(c_1,c_powu(x,-n));
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169
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170 }
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171
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172 double
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173 c_abs(Py_complex z)
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174 {
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175 /* sets errno = ERANGE on overflow; otherwise errno = 0 */
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176 double result;
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177
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178 if (!Py_IS_FINITE(z.real) || !Py_IS_FINITE(z.imag)) {
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179 /* C99 rules: if either the real or the imaginary part is an
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180 infinity, return infinity, even if the other part is a
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181 NaN. */
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182 if (Py_IS_INFINITY(z.real)) {
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183 result = fabs(z.real);
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184 errno = 0;
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185 return result;
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186 }
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187 if (Py_IS_INFINITY(z.imag)) {
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188 result = fabs(z.imag);
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189 errno = 0;
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190 return result;
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191 }
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192 /* either the real or imaginary part is a NaN,
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193 and neither is infinite. Result should be NaN. */
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194 return Py_NAN;
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195 }
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196 result = hypot(z.real, z.imag);
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197 if (!Py_IS_FINITE(result))
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198 errno = ERANGE;
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199 else
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200 errno = 0;
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201 return result;
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202 }
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203
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204 static PyObject *
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205 complex_subtype_from_c_complex(PyTypeObject *type, Py_complex cval)
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206 {
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207 PyObject *op;
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208
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209 op = type->tp_alloc(type, 0);
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210 if (op != NULL)
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211 ((PyComplexObject *)op)->cval = cval;
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212 return op;
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213 }
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214
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215 PyObject *
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216 PyComplex_FromCComplex(Py_complex cval)
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217 {
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218 register PyComplexObject *op;
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219
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220 /* Inline PyObject_New */
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221 op = (PyComplexObject *) PyObject_MALLOC(sizeof(PyComplexObject));
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222 if (op == NULL)
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223 return PyErr_NoMemory();
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224 PyObject_INIT(op, &PyComplex_Type);
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225 op->cval = cval;
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226 return (PyObject *) op;
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227 }
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228
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229 static PyObject *
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230 complex_subtype_from_doubles(PyTypeObject *type, double real, double imag)
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231 {
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232 Py_complex c;
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233 c.real = real;
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234 c.imag = imag;
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235 return complex_subtype_from_c_complex(type, c);
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236 }
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237
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238 PyObject *
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239 PyComplex_FromDoubles(double real, double imag)
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240 {
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241 Py_complex c;
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242 c.real = real;
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243 c.imag = imag;
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244 return PyComplex_FromCComplex(c);
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245 }
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246
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247 double
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248 PyComplex_RealAsDouble(PyObject *op)
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249 {
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250 if (PyComplex_Check(op)) {
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251 return ((PyComplexObject *)op)->cval.real;
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252 }
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253 else {
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254 return PyFloat_AsDouble(op);
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255 }
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256 }
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257
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258 double
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259 PyComplex_ImagAsDouble(PyObject *op)
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260 {
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261 if (PyComplex_Check(op)) {
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262 return ((PyComplexObject *)op)->cval.imag;
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263 }
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264 else {
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265 return 0.0;
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266 }
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267 }
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268
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269 Py_complex
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270 PyComplex_AsCComplex(PyObject *op)
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271 {
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272 Py_complex cv;
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273 PyObject *newop = NULL;
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274 static PyObject *complex_str = NULL;
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275
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276 assert(op);
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277 /* If op is already of type PyComplex_Type, return its value */
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diff changeset
278 if (PyComplex_Check(op)) {
4c655115dfce Added PyComplex_AsCComplex
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parents: 3316
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279 return ((PyComplexObject *)op)->cval;
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ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
280 }
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281 /* If not, use op's __complex__ method, if it exists */
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282
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283 /* return -1 on failure */
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284 cv.real = -1.;
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285 cv.imag = 0.;
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parents: 44767
diff changeset
286
ef2d3bf8383d Merged revisions 60379-60382 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44767
diff changeset
287 if (complex_str == NULL) {
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parents: 44767
diff changeset
288 if (!(complex_str = PyUnicode_FromString("__complex__")))
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Christian Heimes <christian@cheimes.de>
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diff changeset
289 return cv;
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Christian Heimes <christian@cheimes.de>
parents: 44767
diff changeset
290 }
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parents: 44767
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291
41554
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292 {
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parents: 40626
diff changeset
293 PyObject *complexfunc;
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diff changeset
294 complexfunc = _PyType_Lookup(op->ob_type, complex_str);
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Guido van Rossum <guido@python.org>
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295 /* complexfunc is a borrowed reference */
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diff changeset
296 if (complexfunc) {
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297 newop = PyObject_CallFunctionObjArgs(complexfunc, op, NULL);
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298 if (!newop)
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299 return cv;
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300 }
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Guido van Rossum <guido@python.org>
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diff changeset
301 }
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diff changeset
302
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303 if (newop) {
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304 if (!PyComplex_Check(newop)) {
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305 PyErr_SetString(PyExc_TypeError,
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diff changeset
306 "__complex__ should return a complex object");
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307 Py_DECREF(newop);
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308 return cv;
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309 }
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310 cv = ((PyComplexObject *)newop)->cval;
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311 Py_DECREF(newop);
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312 return cv;
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313 }
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314 /* If neither of the above works, interpret op as a float giving the
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diff changeset
315 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
316 else {
41554
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317 /* PyFloat_AsDouble will return -1 on failure */
3328
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
318 cv.real = PyFloat_AsDouble(op);
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
319 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
320 }
3328
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
321 }
4c655115dfce Added PyComplex_AsCComplex
Guido van Rossum <guido@python.org>
parents: 3316
diff changeset
322
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
323 static void
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
324 complex_dealloc(PyObject *op)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
325 {
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
326 op->ob_type->tp_free(op);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
327 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
328
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
329
53187
b653eab13b73 The other half of Issue #1580: use short float repr where possible.
Eric Smith <eric@trueblade.com>
parents: 51271
diff changeset
330 static PyObject *
53787
c6376d3fa968 Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53714
diff changeset
331 complex_format(PyComplexObject *v, int precision, char format_code)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
332 {
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
333 PyObject *result = NULL;
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
334 Py_ssize_t len;
53187
b653eab13b73 The other half of Issue #1580: use short float repr where possible.
Eric Smith <eric@trueblade.com>
parents: 51271
diff changeset
335
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
336 /* If these are non-NULL, they'll need to be freed. */
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
337 char *pre = NULL;
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
338 char *im = NULL;
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
339 char *buf = NULL;
53187
b653eab13b73 The other half of Issue #1580: use short float repr where possible.
Eric Smith <eric@trueblade.com>
parents: 51271
diff changeset
340
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
341 /* These do not need to be freed. re is either an alias
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
342 for pre or a pointer to a constant. lead and tail
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
343 are pointers to constants. */
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
344 char *re = NULL;
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
345 char *lead = "";
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
346 char *tail = "";
53187
b653eab13b73 The other half of Issue #1580: use short float repr where possible.
Eric Smith <eric@trueblade.com>
parents: 51271
diff changeset
347
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
348 if (v->cval.real == 0. && copysign(1.0, v->cval.real)==1.0) {
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
349 re = "";
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
350 im = PyOS_double_to_string(v->cval.imag, format_code,
53787
c6376d3fa968 Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53714
diff changeset
351 precision, 0, NULL);
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
352 if (!im) {
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
353 PyErr_NoMemory();
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
354 goto done;
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
355 }
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
356 } else {
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
357 /* Format imaginary part with sign, real part without */
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
358 pre = PyOS_double_to_string(v->cval.real, format_code,
53787
c6376d3fa968 Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53714
diff changeset
359 precision, 0, NULL);
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
360 if (!pre) {
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
361 PyErr_NoMemory();
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
362 goto done;
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
363 }
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
364 re = pre;
53187
b653eab13b73 The other half of Issue #1580: use short float repr where possible.
Eric Smith <eric@trueblade.com>
parents: 51271
diff changeset
365
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
366 im = PyOS_double_to_string(v->cval.imag, format_code,
53787
c6376d3fa968 Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53714
diff changeset
367 precision, Py_DTSF_SIGN, NULL);
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
368 if (!im) {
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
369 PyErr_NoMemory();
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
370 goto done;
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
371 }
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
372 lead = "(";
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
373 tail = ")";
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
374 }
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
375 /* Alloc the final buffer. Add one for the "j" in the format string,
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
376 and one for the trailing zero. */
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
377 len = strlen(lead) + strlen(re) + strlen(im) + strlen(tail) + 2;
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
378 buf = PyMem_Malloc(len);
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
379 if (!buf) {
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
380 PyErr_NoMemory();
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
381 goto done;
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
382 }
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
383 PyOS_snprintf(buf, len, "%s%s%sj%s", lead, re, im, tail);
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
384 result = PyUnicode_FromString(buf);
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
385 done:
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
386 PyMem_Free(im);
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
387 PyMem_Free(pre);
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
388 PyMem_Free(buf);
53187
b653eab13b73 The other half of Issue #1580: use short float repr where possible.
Eric Smith <eric@trueblade.com>
parents: 51271
diff changeset
389
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
390 return result;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
391 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
392
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
393 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
394 complex_repr(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
395 {
53787
c6376d3fa968 Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53714
diff changeset
396 return complex_format(v, 0, 'r');
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
397 }
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
398
65a638a24f7e When 1.6 boosted the # of digits produced by repr(float), repr(complex)
Tim Peters <tim.peters@gmail.com>
parents: 15976
diff changeset
399 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
400 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
401 {
53787
c6376d3fa968 Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
Eric Smith <eric@trueblade.com>
parents: 53714
diff changeset
402 return complex_format(v, PyFloat_STR_PRECISION, 'g');
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
403 }
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 static long
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
406 complex_hash(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
407 {
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
408 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
409 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
410 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
411 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
412 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
413 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
414 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
415 /* 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
416 * 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
417 * 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
418 * 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
419 * 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
420 */
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
421 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
422 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
423 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
424 return combined;
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Guido van Rossum <guido@python.org>
parents:
diff changeset
425 }
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Guido van Rossum <guido@python.org>
parents:
diff changeset
426
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parents: 38669
diff changeset
427 /* This macro may return! */
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
428 #define TO_COMPLEX(obj, c) \
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
429 if (PyComplex_Check(obj)) \
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
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parents: 38669
diff changeset
430 c = ((PyComplexObject *)(obj))->cval; \
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
431 else if (to_complex(&(obj), &(c)) < 0) \
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
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parents: 38669
diff changeset
432 return (obj)
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parents: 38669
diff changeset
433
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
434 static int
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
435 to_complex(PyObject **pobj, Py_complex *pc)
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
436 {
44767
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diff changeset
437 PyObject *obj = *pobj;
39222
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
438
44767
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diff changeset
439 pc->real = pc->imag = 0.0;
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diff changeset
440 if (PyLong_Check(obj)) {
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diff changeset
441 pc->real = PyLong_AsDouble(obj);
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diff changeset
442 if (pc->real == -1.0 && PyErr_Occurred()) {
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Christian Heimes <christian@cheimes.de>
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diff changeset
443 *pobj = NULL;
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444 return -1;
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diff changeset
445 }
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Christian Heimes <christian@cheimes.de>
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446 return 0;
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447 }
a6f9a2ba8962 Merged revisions 60053-60078 via svnmerge from
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diff changeset
448 if (PyFloat_Check(obj)) {
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Christian Heimes <christian@cheimes.de>
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diff changeset
449 pc->real = PyFloat_AsDouble(obj);
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Christian Heimes <christian@cheimes.de>
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diff changeset
450 return 0;
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Christian Heimes <christian@cheimes.de>
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diff changeset
451 }
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diff changeset
452 Py_INCREF(Py_NotImplemented);
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Christian Heimes <christian@cheimes.de>
parents: 44134
diff changeset
453 *pobj = Py_NotImplemented;
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Christian Heimes <christian@cheimes.de>
parents: 44134
diff changeset
454 return -1;
39222
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
455 }
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
456
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
457
5396
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parents: 5286
diff changeset
458 static PyObject *
39222
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
459 complex_add(PyObject *v, PyObject *w)
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Guido van Rossum <guido@python.org>
parents:
diff changeset
460 {
5118
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Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
461 Py_complex result;
39222
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parents: 38669
diff changeset
462 Py_complex a, b;
44767
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diff changeset
463 TO_COMPLEX(v, a);
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Christian Heimes <christian@cheimes.de>
parents: 44134
diff changeset
464 TO_COMPLEX(w, b);
5118
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parents: 4933
diff changeset
465 PyFPE_START_PROTECT("complex_add", return 0)
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
466 result = c_sum(a, b);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
467 PyFPE_END_PROTECT(result)
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parents: 5286
diff changeset
468 return PyComplex_FromCComplex(result);
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Guido van Rossum <guido@python.org>
parents:
diff changeset
469 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
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parents:
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470
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diff changeset
471 static PyObject *
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
472 complex_sub(PyObject *v, PyObject *w)
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Guido van Rossum <guido@python.org>
parents:
diff changeset
473 {
5118
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parents: 4933
diff changeset
474 Py_complex result;
39222
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parents: 38669
diff changeset
475 Py_complex a, b;
44767
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diff changeset
476 TO_COMPLEX(v, a);
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Christian Heimes <christian@cheimes.de>
parents: 44134
diff changeset
477 TO_COMPLEX(w, b);
5118
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Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
478 PyFPE_START_PROTECT("complex_sub", return 0)
39222
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
479 result = c_diff(a, b);
5197
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Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
480 PyFPE_END_PROTECT(result)
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diff changeset
481 return PyComplex_FromCComplex(result);
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Guido van Rossum <guido@python.org>
parents:
diff changeset
482 }
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parents:
diff changeset
483
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diff changeset
484 static PyObject *
39222
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
485 complex_mul(PyObject *v, PyObject *w)
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Guido van Rossum <guido@python.org>
parents:
diff changeset
486 {
5118
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parents: 4933
diff changeset
487 Py_complex result;
39222
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parents: 38669
diff changeset
488 Py_complex a, b;
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diff changeset
489 TO_COMPLEX(v, a);
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parents: 44134
diff changeset
490 TO_COMPLEX(w, b);
5118
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parents: 4933
diff changeset
491 PyFPE_START_PROTECT("complex_mul", return 0)
39222
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
492 result = c_prod(a, b);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
493 PyFPE_END_PROTECT(result)
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diff changeset
494 return PyComplex_FromCComplex(result);
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Guido van Rossum <guido@python.org>
parents:
diff changeset
495 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
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parents:
diff changeset
496
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diff changeset
497 static PyObject *
39222
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parents: 38669
diff changeset
498 complex_div(PyObject *v, PyObject *w)
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Guido van Rossum <guido@python.org>
parents:
diff changeset
499 {
3771
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Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
500 Py_complex quot;
39222
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parents: 38669
diff changeset
501 Py_complex a, b;
44767
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diff changeset
502 TO_COMPLEX(v, a);
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Christian Heimes <christian@cheimes.de>
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diff changeset
503 TO_COMPLEX(w, b);
5118
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Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
504 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
505 errno = 0;
39222
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
506 quot = c_quot(a, b);
5197
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Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
507 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
508 if (errno == EDOM) {
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parents: 5286
diff changeset
509 PyErr_SetString(PyExc_ZeroDivisionError, "complex division");
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Guido van Rossum <guido@python.org>
parents:
diff changeset
510 return NULL;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
511 }
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diff changeset
512 return PyComplex_FromCComplex(quot);
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Guido van Rossum <guido@python.org>
parents:
diff changeset
513 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
514
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diff changeset
515 static PyObject *
39222
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
516 complex_remainder(PyObject *v, PyObject *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
517 {
42414
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Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
518 PyErr_SetString(PyExc_TypeError,
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
519 "can't mod complex numbers.");
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
520 return NULL;
4275
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Guido van Rossum <guido@python.org>
parents: 4025
diff changeset
521 }
cb841f1b022e Don't dump core on complex % or divmod -- raise a TypeError exception.
Guido van Rossum <guido@python.org>
parents: 4025
diff changeset
522
cb841f1b022e Don't dump core on complex % or divmod -- raise a TypeError exception.
Guido van Rossum <guido@python.org>
parents: 4025
diff changeset
523
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diff changeset
524 static PyObject *
39222
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
525 complex_divmod(PyObject *v, PyObject *w)
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
526 {
42414
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
527 PyErr_SetString(PyExc_TypeError,
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
528 "can't take floor or mod of complex number.");
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
529 return NULL;
4304
95c31931b76a Properly(?) implemented remainder and divmod (Tim Hochberg)
Guido van Rossum <guido@python.org>
parents: 4290
diff changeset
530 }
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Guido van Rossum <guido@python.org>
parents:
diff changeset
531
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diff changeset
532 static PyObject *
39222
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
533 complex_pow(PyObject *v, PyObject *w, PyObject *z)
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Guido van Rossum <guido@python.org>
parents:
diff changeset
534 {
3771
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Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
535 Py_complex p;
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
536 Py_complex exponent;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
537 long int_exponent;
39222
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Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
538 Py_complex a, b;
44767
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Christian Heimes <christian@cheimes.de>
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diff changeset
539 TO_COMPLEX(v, a);
a6f9a2ba8962 Merged revisions 60053-60078 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44134
diff changeset
540 TO_COMPLEX(w, b);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
541
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
542 if (z != Py_None) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
543 PyErr_SetString(PyExc_ValueError, "complex modulo");
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
544 return NULL;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
545 }
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
546 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
547 errno = 0;
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
548 exponent = b;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
549 int_exponent = (long)exponent.real;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
550 if (exponent.imag == 0. && exponent.real == int_exponent)
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
551 p = c_powi(a, int_exponent);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
552 else
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
553 p = c_pow(a, exponent);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
554
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
555 PyFPE_END_PROTECT(p)
22540
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
556 Py_ADJUST_ERANGE2(p.real, p.imag);
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
557 if (errno == EDOM) {
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
558 PyErr_SetString(PyExc_ZeroDivisionError,
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
559 "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
560 return NULL;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
561 }
22540
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
562 else if (errno == ERANGE) {
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
563 PyErr_SetString(PyExc_OverflowError,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
564 "complex exponentiation");
22540
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
565 return NULL;
75ef1f16725e backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21894
diff changeset
566 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
567 return PyComplex_FromCComplex(p);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
568 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
569
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
570 static PyObject *
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38669
diff changeset
571 complex_int_div(PyObject *v, PyObject *w)
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
572 {
42414
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
573 PyErr_SetString(PyExc_TypeError,
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
574 "can't take floor of complex number.");
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
575 return NULL;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
576 }
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
577
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
578 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
579 complex_neg(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
580 {
3771
d0988318b756 complex -> Py_complex
Guido van Rossum <guido@python.org>
parents: 3608
diff changeset
581 Py_complex neg;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
582 neg.real = -v->cval.real;
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
583 neg.imag = -v->cval.imag;
5396
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Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
584 return PyComplex_FromCComplex(neg);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
585 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
586
5396
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Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
587 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
588 complex_pos(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
589 {
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
590 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
591 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
592 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
593 }
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
594 else
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
595 return PyComplex_FromCComplex(v->cval);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
596 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
597
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
598 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
599 complex_abs(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
600 {
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
601 double result;
46477
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
602
5118
002865af55e5 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 4933
diff changeset
603 PyFPE_START_PROTECT("complex_abs", return 0)
46477
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
604 result = c_abs(v->cval);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5118
diff changeset
605 PyFPE_END_PROTECT(result)
46477
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
606
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
607 if (errno == ERANGE) {
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
608 PyErr_SetString(PyExc_OverflowError,
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
609 "absolute value too large");
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
610 return NULL;
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
611 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
612 return PyFloat_FromDouble(result);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
613 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
614
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
615 static int
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39607
diff changeset
616 complex_bool(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
617 {
9940
93b9eafe1f1d Ai! complex_nonzero() has && which should be ||, else decidedly
Guido van Rossum <guido@python.org>
parents: 8261
diff changeset
618 return v->cval.real != 0.0 || v->cval.imag != 0.0;
3316
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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
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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 {
39607
6f1020743077 Fix comparing complex to non-complex numbers.
Guido van Rossum <guido@python.org>
parents: 39603
diff changeset
624 PyObject *res;
15976
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;
44767
a6f9a2ba8962 Merged revisions 60053-60078 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44134
diff changeset
626 TO_COMPLEX(v, i);
a6f9a2ba8962 Merged revisions 60053-60078 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44134
diff changeset
627 TO_COMPLEX(w, j);
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
628
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
629 if (op != Py_EQ && op != Py_NE) {
39607
6f1020743077 Fix comparing complex to non-complex numbers.
Guido van Rossum <guido@python.org>
parents: 39603
diff changeset
630 /* XXX Should eventually return NotImplemented */
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
631 PyErr_SetString(PyExc_TypeError,
34195
46fa0e20cbcf Bug #1079011: Incorrect error message (somewhat)
Raymond Hettinger <python@rcn.com>
parents: 33233
diff changeset
632 "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
633 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
634 }
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
635
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
636 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
637 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
638 else
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
639 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
640
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
641 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
642 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
643 }
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
644
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
645 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
646 complex_int(PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
647 {
5396
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Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
648 PyErr_SetString(PyExc_TypeError,
54147
adbc662ff4c1 Merged revisions 72718 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 53787
diff changeset
649 "can't convert complex to int");
4290
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
650 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
651 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
652
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
653 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
654 complex_float(PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
655 {
5396
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Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
656 PyErr_SetString(PyExc_TypeError,
54147
adbc662ff4c1 Merged revisions 72718 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 53787
diff changeset
657 "can't convert complex to float");
4290
9c6eab0cf542 Raise exception instead of dropping imag part for conversion to int,
Guido van Rossum <guido@python.org>
parents: 4275
diff changeset
658 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
659 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
660
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
661 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
662 complex_conjugate(PyObject *self)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
663 {
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
664 Py_complex c;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
665 c = ((PyComplexObject *)self)->cval;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
666 c.imag = -c.imag;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
667 return PyComplex_FromCComplex(c);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
668 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
669
42414
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
670 PyDoc_STRVAR(complex_conjugate_doc,
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
671 "complex.conjugate() -> complex\n"
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
672 "\n"
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
673 "Returns the complex conjugate of its argument. (3-4j).conjugate() == 3+4j.");
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
674
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
675 static PyObject *
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
676 complex_getnewargs(PyComplexObject *v)
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
677 {
47555
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Georg Brandl <georg@python.org>
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diff changeset
678 Py_complex c = v->cval;
7d824fd131ad Merged revisions 63829-63831,63858,63865,63879,63882,63948,63970-63972,63976,63989,64014-64015,64021-64022,64063-64065,64067 via svnmerge from
Georg Brandl <georg@python.org>
parents: 46477
diff changeset
679 return Py_BuildValue("(dd)", c.real, c.imag);
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parents: 25064
diff changeset
680 }
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parents: 25064
diff changeset
681
53632
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diff changeset
682 PyDoc_STRVAR(complex__format__doc,
2cde0d003ffc Issue #1588: Add complex.__format__.
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parents: 53466
diff changeset
683 "complex.__format__() -> str\n"
2cde0d003ffc Issue #1588: Add complex.__format__.
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parents: 53466
diff changeset
684 "\n"
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parents: 53466
diff changeset
685 "Converts to a string according to format_spec.");
2cde0d003ffc Issue #1588: Add complex.__format__.
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parents: 53466
diff changeset
686
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
687 static PyObject *
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
688 complex__format__(PyObject* self, PyObject* args)
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
689 {
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
690 PyObject *format_spec;
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
691
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
692 if (!PyArg_ParseTuple(args, "U:__format__", &format_spec))
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
693 return NULL;
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
694 return _PyComplex_FormatAdvanced(self,
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
695 PyUnicode_AS_UNICODE(format_spec),
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
696 PyUnicode_GET_SIZE(format_spec));
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
697 }
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Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
698
46477
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
699 #if 0
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
700 static PyObject *
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
701 complex_is_finite(PyObject *self)
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
702 {
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
703 Py_complex c;
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
704 c = ((PyComplexObject *)self)->cval;
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
705 return PyBool_FromLong((long)(Py_IS_FINITE(c.real) &&
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
706 Py_IS_FINITE(c.imag)));
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
707 }
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Christian Heimes <christian@cheimes.de>
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diff changeset
708
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
709 PyDoc_STRVAR(complex_is_finite_doc,
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
710 "complex.is_finite() -> bool\n"
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
711 "\n"
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Christian Heimes <christian@cheimes.de>
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diff changeset
712 "Returns True if the real and the imaginary part is finite.");
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
713 #endif
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parents: 46161
diff changeset
714
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e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
715 static PyMethodDef complex_methods[] = {
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8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
716 {"conjugate", (PyCFunction)complex_conjugate, METH_NOARGS,
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
717 complex_conjugate_doc},
46477
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
718 #if 0
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
719 {"is_finite", (PyCFunction)complex_is_finite, METH_NOARGS,
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
720 complex_is_finite_doc},
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
721 #endif
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
722 {"__getnewargs__", (PyCFunction)complex_getnewargs, METH_NOARGS},
53632
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
723 {"__format__", (PyCFunction)complex__format__,
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
724 METH_VARARGS, complex__format__doc},
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
725 {NULL, NULL} /* sentinel */
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
726 };
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
727
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19974
diff changeset
728 static PyMemberDef complex_members[] = {
21894
f245955b3fbe Declare real and imag as read-only attributes.
Guido van Rossum <guido@python.org>
parents: 21399
diff changeset
729 {"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
730 "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
731 {"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
732 "the imaginary part of a complex number"},
18933
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Tim Peters <tim.peters@gmail.com>
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diff changeset
733 {0},
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parents: 17066
diff changeset
734 };
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e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
735
5396
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diff changeset
736 static PyObject *
18933
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diff changeset
737 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
738 {
18933
09df3254b49d Merge of descr-branch back into trunk.
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diff changeset
739 const char *s, *start;
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diff changeset
740 char *end;
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diff changeset
741 double x=0.0, y=0.0, z;
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Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
742 int got_bracket=0;
20666
88a242bfb23a complex_subtype_from_string(): move the declaration of s_buffer[] out
Guido van Rossum <guido@python.org>
parents: 20277
diff changeset
743 char s_buffer[256];
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
744 Py_ssize_t len;
18933
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parents: 17066
diff changeset
745
42855
d5b52d56beba Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42477
diff changeset
746 if (PyUnicode_Check(v)) {
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
747 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
748 PyErr_SetString(PyExc_ValueError,
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
749 "complex() literal too large to convert");
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
750 return NULL;
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
751 }
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diff changeset
752 if (PyUnicode_EncodeDecimal(PyUnicode_AS_UNICODE(v),
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parents: 17066
diff changeset
753 PyUnicode_GET_SIZE(v),
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parents: 17066
diff changeset
754 s_buffer,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
755 NULL))
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
756 return NULL;
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
757 s = s_buffer;
36501
7fdc639bc5b4 Merge ssize_t branch.
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parents: 35999
diff changeset
758 len = strlen(s);
18933
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parents: 17066
diff changeset
759 }
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diff changeset
760 else if (PyObject_AsCharBuffer(v, &s, &len)) {
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diff changeset
761 PyErr_SetString(PyExc_TypeError,
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parents: 17066
diff changeset
762 "complex() arg is not a string");
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763 return NULL;
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diff changeset
764 }
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parents: 17066
diff changeset
765
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diff changeset
766 /* position on first nonblank */
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diff changeset
767 start = s;
53714
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diff changeset
768 while (Py_ISSPACE(*s))
18933
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diff changeset
769 s++;
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
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parents: 53187
diff changeset
770 if (*s == '(') {
41554
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Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
771 /* Skip over possible bracket from repr(). */
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parents: 40626
diff changeset
772 got_bracket = 1;
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diff changeset
773 s++;
53714
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parents: 53707
diff changeset
774 while (Py_ISSPACE(*s))
41554
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parents: 40626
diff changeset
775 s++;
18933
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parents: 17066
diff changeset
776 }
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diff changeset
777
53343
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778 /* a valid complex string usually takes one of the three forms:
06db1d9d255f Make sure that complex parsing code and corresponding tests
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parents: 53332
diff changeset
779
06db1d9d255f Make sure that complex parsing code and corresponding tests
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parents: 53332
diff changeset
780 <float> - real part only
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diff changeset
781 <float>j - imaginary part only
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parents: 53332
diff changeset
782 <float><signed-float>j - real and imaginary parts
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parents: 53332
diff changeset
783
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
784 where <float> represents any numeric string that's accepted by the
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
785 float constructor (including 'nan', 'inf', 'infinity', etc.), and
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
786 <signed-float> is any string of the form <float> whose first
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
787 character is '+' or '-'.
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
788
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
789 For backwards compatibility, the extra forms
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
790
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Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
791 <float><sign>j
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parents: 53332
diff changeset
792 <sign>j
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Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
793 j
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
794
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
795 are also accepted, though support for these forms may be removed from
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
796 a future version of Python.
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
797 */
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diff changeset
798
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Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
799 /* first look for forms starting with <float> */
54225
670fa0c0ff9a Issue #5829: complex('1e500') shouldn't raise OverflowError
Mark Dickinson <dickinsm@gmail.com>
parents: 54147
diff changeset
800 z = PyOS_string_to_double(s, &end, NULL);
53707
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 53632
diff changeset
801 if (z == -1.0 && PyErr_Occurred()) {
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 53632
diff changeset
802 if (PyErr_ExceptionMatches(PyExc_ValueError))
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 53632
diff changeset
803 PyErr_Clear();
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Mark Dickinson <dickinsm@gmail.com>
parents: 53632
diff changeset
804 else
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 53632
diff changeset
805 return NULL;
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 53632
diff changeset
806 }
53343
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parents: 53332
diff changeset
807 if (end != s) {
06db1d9d255f Make sure that complex parsing code and corresponding tests
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parents: 53332
diff changeset
808 /* all 4 forms starting with <float> land here */
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parents: 53332
diff changeset
809 s = end;
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parents: 53332
diff changeset
810 if (*s == '+' || *s == '-') {
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parents: 53332
diff changeset
811 /* <float><signed-float>j | <float><sign>j */
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parents: 53332
diff changeset
812 x = z;
54225
670fa0c0ff9a Issue #5829: complex('1e500') shouldn't raise OverflowError
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parents: 54147
diff changeset
813 y = PyOS_string_to_double(s, &end, NULL);
53707
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 53632
diff changeset
814 if (y == -1.0 && PyErr_Occurred()) {
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 53632
diff changeset
815 if (PyErr_ExceptionMatches(PyExc_ValueError))
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 53632
diff changeset
816 PyErr_Clear();
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 53632
diff changeset
817 else
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 53632
diff changeset
818 return NULL;
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 53632
diff changeset
819 }
53343
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
820 if (end != s)
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
821 /* <float><signed-float>j */
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
822 s = end;
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
823 else {
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
824 /* <float><sign>j */
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
825 y = *s == '+' ? 1.0 : -1.0;
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
826 s++;
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
827 }
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
828 if (!(*s == 'j' || *s == 'J'))
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
829 goto parse_error;
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
830 s++;
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
831 }
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
832 else if (*s == 'j' || *s == 'J') {
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
833 /* <float>j */
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
834 s++;
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
835 y = z;
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
836 }
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
837 else
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
838 /* <float> */
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
839 x = z;
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
840 }
53343
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
841 else {
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
842 /* not starting with <float>; must be <sign>j or j */
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
843 if (*s == '+' || *s == '-') {
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
844 /* <sign>j */
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
845 y = *s == '+' ? 1.0 : -1.0;
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
846 s++;
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
847 }
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
848 else
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
849 /* j */
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
850 y = 1.0;
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
851 if (!(*s == 'j' || *s == 'J'))
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
852 goto parse_error;
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
853 s++;
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
854 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
855
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
856 /* trailing whitespace and closing bracket */
53714
e2b553d7205f Merged revisions 72253 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 53707
diff changeset
857 while (Py_ISSPACE(*s))
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
858 s++;
53343
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
859 if (got_bracket) {
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
860 /* if there was an opening parenthesis, then the corresponding
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
861 closing parenthesis should be right here */
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
862 if (*s != ')')
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
863 goto parse_error;
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
864 s++;
53714
e2b553d7205f Merged revisions 72253 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 53707
diff changeset
865 while (Py_ISSPACE(*s))
53343
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
866 s++;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
867 }
53343
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
868
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
869 /* we should now be at the end of the string */
53343
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
870 if (s-start != len)
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
871 goto parse_error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
872
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
873 return complex_subtype_from_doubles(type, x, y);
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
874
53343
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
875 parse_error:
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
876 PyErr_SetString(PyExc_ValueError,
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
877 "complex() arg is a malformed string");
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
parents: 53187
diff changeset
878 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
879 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
880
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
881 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
882 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
883 {
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
884 PyObject *r, *i, *tmp, *f;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
885 PyNumberMethods *nbr, *nbi = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
886 Py_complex cr, ci;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
887 int own_r = 0;
44045
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
888 int cr_is_complex = 0;
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
889 int ci_is_complex = 0;
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
890 static PyObject *complexstr;
36675
dba6494735d0 Revert backwards-incompatible const changes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
891 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
892
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
893 r = Py_False;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
894 i = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
895 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
896 &r, &i))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
897 return NULL;
25064
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
898
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
899 /* 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
900 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
901 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
902 /* 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
903 a complex *subclass* instance as-is, hence the restriction
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
904 to exact complexes here. If either the input or the
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
905 output is a complex subclass, it will be handled below
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
906 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
907 Py_INCREF(r);
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
908 return r;
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
909 }
42855
d5b52d56beba Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42477
diff changeset
910 if (PyUnicode_Check(r)) {
21399
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
911 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
912 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
913 "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
914 " 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
915 return NULL;
44767
a6f9a2ba8962 Merged revisions 60053-60078 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44134
diff changeset
916 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
917 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
918 }
42855
d5b52d56beba Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42477
diff changeset
919 if (i != NULL && PyUnicode_Check(i)) {
21399
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() 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
922 return NULL;
33d59e18b68d Ensure that complex() only accepts a string argument as the first arg,
Fred Drake <fdrake@acm.org>
parents: 21078
diff changeset
923 }
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
924
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
925 /* 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
926 if (complexstr == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41920
diff changeset
927 complexstr = PyUnicode_InternFromString("__complex__");
23703
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
928 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
929 return NULL;
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
930 }
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
931 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
932 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
933 PyErr_Clear();
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
934 else {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30252
diff changeset
935 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
936 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
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 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
939 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
940 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
941 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
942 return NULL;
abe1bb76ee44 Close SF bug 563740. complex() now finds __complex__() in new style classes.
Raymond Hettinger <python@rcn.com>
parents: 23043
diff changeset
943 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
944 }
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
945 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
946 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
947 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
948 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
949 ((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
950 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
951 "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
952 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
953 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
954 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
955 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
956 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
957
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
958 /* If we get this far, then the "real" and "imag" parts should
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
959 both be treated as numbers, and the constructor should return a
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
960 complex number equal to (real + imag*1j).
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
961
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
962 Note that we do NOT assume the input to already be in canonical
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
963 form; the "real" and "imag" parts might themselves be complex
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
964 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
965 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
966 /* 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
967 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
968 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
969 cr = ((PyComplexObject*)r)->cval;
44045
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
970 cr_is_complex = 1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
971 if (own_r) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
972 Py_DECREF(r);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
973 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
974 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
975 else {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
976 /* The "real" part really is entirely real, and contributes
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
977 nothing in the imaginary direction.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
978 Just treat it as a double. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
979 tmp = PyNumber_Float(r);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
980 if (own_r) {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
981 /* r was a newly created complex number, rather
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
982 than the original "real" argument. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
983 Py_DECREF(r);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
984 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
985 if (tmp == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
986 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
987 if (!PyFloat_Check(tmp)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
988 PyErr_SetString(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
989 "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
990 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
991 return NULL;
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 cr.real = PyFloat_AsDouble(tmp);
44767
a6f9a2ba8962 Merged revisions 60053-60078 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44134
diff changeset
994 cr.imag = 0.0; /* Shut up compiler warning */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
995 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
996 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
997 if (i == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
998 ci.real = 0.0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
999 }
44045
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
1000 else if (PyComplex_Check(i)) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1001 ci = ((PyComplexObject*)i)->cval;
44045
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
1002 ci_is_complex = 1;
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
1003 } else {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
1004 /* The "imag" part really is entirely imaginary, and
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
1005 contributes nothing in the real direction.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
1006 Just treat it as a double. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1007 tmp = (*nbi->nb_float)(i);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1008 if (tmp == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1009 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1010 ci.real = PyFloat_AsDouble(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1011 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1012 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
1013 /* If the input was in canonical form, then the "real" and "imag"
44045
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
1014 parts are real numbers, so that ci.imag and cr.imag are zero.
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 40626
diff changeset
1015 We need this correction in case they were not real numbers. */
44045
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
1016
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
1017 if (ci_is_complex) {
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
1018 cr.real -= ci.imag;
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
1019 }
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
1020 if (cr_is_complex) {
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
1021 ci.real += cr.imag;
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
1022 }
530fb9852c50 Merged revisions 59202-59211 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 43420
diff changeset
1023 return complex_subtype_from_doubles(type, cr.real, ci.real);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1024 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1025
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23820
diff changeset
1026 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
1027 "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
1028 "\n"
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1029 "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
1030 "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
1031
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
1032 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
1033 (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
1034 (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
1035 (binaryfunc)complex_mul, /* nb_multiply */
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_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
1037 (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
1038 (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
1039 (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
1040 (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
1041 (unaryfunc)complex_abs, /* nb_absolute */
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39607
diff changeset
1042 (inquiry)complex_bool, /* nb_bool */
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1043 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
1044 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
1045 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
1046 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
1047 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
1048 0, /* nb_or */
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
1049 complex_int, /* nb_int */
50829
af02b6e42142 Merged revisions 68650-68653 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 50804
diff changeset
1050 0, /* nb_reserved */
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
1051 complex_float, /* nb_float */
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1052 0, /* nb_inplace_add */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1053 0, /* nb_inplace_subtract */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1054 0, /* nb_inplace_multiply*/
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1055 0, /* nb_inplace_remainder */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1056 0, /* nb_inplace_power */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1057 0, /* nb_inplace_lshift */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1058 0, /* nb_inplace_rshift */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1059 0, /* nb_inplace_and */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1060 0, /* nb_inplace_xor */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1061 0, /* nb_inplace_or */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1062 (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
1063 (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
1064 0, /* nb_inplace_floor_divide */
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
1065 0, /* nb_inplace_true_divide */
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1066 };
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1067
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
1068 PyTypeObject PyComplex_Type = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42013
diff changeset
1069 PyVarObject_HEAD_INIT(&PyType_Type, 0)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1070 "complex",
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
1071 sizeof(PyComplexObject),
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1072 0,
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
1073 complex_dealloc, /* tp_dealloc */
42477
e7fd327e0c19 Kill all uses and definitions of tp_print under Objects/. (Others will follow.)
Guido van Rossum <guido@python.org>
parents: 42414
diff changeset
1074 0, /* tp_print */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1075 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
1076 0, /* tp_setattr */
51271
87fbbf22adf3 Merged revisions 69214 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 50829
diff changeset
1077 0, /* tp_reserved */
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
1078 (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
1079 &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
1080 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
1081 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
1082 (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
1083 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
1084 (reprfunc)complex_str, /* tp_str */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1085 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
1086 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
1087 0, /* tp_as_buffer */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1088 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1089 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
1090 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
1091 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
1092 complex_richcompare, /* tp_richcompare */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1093 0, /* tp_weaklistoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1094 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1095 0, /* tp_iternext */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1096 complex_methods, /* tp_methods */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1097 complex_members, /* tp_members */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1098 0, /* tp_getset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1099 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1100 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1101 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1102 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1103 0, /* tp_dictoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1104 0, /* tp_init */
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
1105 PyType_GenericAlloc, /* tp_alloc */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
1106 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
1107 PyObject_Del, /* tp_free */
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
1108 };