Mercurial > cpython-lru_cache-weakref

annotate Objects/complexobject.c @ 83447:678564fc0962 3.3

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#17789: test_random now works with unittest test discovery. Patch by Zachary Ware.
author Ezio Melotti <ezio.melotti@gmail.com>
date Fri, 19 Apr 2013 05:45:27 +0300
parents 22b56b0b8619
children 54213ef5bb19 399e59ad0a70
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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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10
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11 /* elementary operations on complex numbers */
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12
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d0988318b756 complex -> Py_complex
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13 static Py_complex c_1 = {1., 0.};
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15 Py_complex
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16 c_sum(Py_complex a, Py_complex b)
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17 {
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18 Py_complex r;
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19 r.real = a.real + b.real;
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20 r.imag = a.imag + b.imag;
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21 return r;
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22 }
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23
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24 Py_complex
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25 c_diff(Py_complex a, Py_complex b)
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26 {
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27 Py_complex r;
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28 r.real = a.real - b.real;
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29 r.imag = a.imag - b.imag;
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30 return r;
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31 }
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32
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33 Py_complex
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34 c_neg(Py_complex a)
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35 {
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36 Py_complex r;
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37 r.real = -a.real;
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38 r.imag = -a.imag;
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39 return r;
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40 }
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41
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42 Py_complex
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43 c_prod(Py_complex a, Py_complex b)
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44 {
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45 Py_complex r;
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46 r.real = a.real*b.real - a.imag*b.imag;
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47 r.imag = a.real*b.imag + a.imag*b.real;
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48 return r;
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49 }
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51 Py_complex
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52 c_quot(Py_complex a, Py_complex b)
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53 {
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54 /******************************************************************
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55 This was the original algorithm. It's grossly prone to spurious
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56 overflow and underflow errors. It also merrily divides by 0 despite
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57 checking for that(!). The code still serves a doc purpose here, as
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58 the algorithm following is a simple by-cases transformation of this
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59 one:
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60
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61 Py_complex r;
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62 double d = b.real*b.real + b.imag*b.imag;
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63 if (d == 0.)
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64 errno = EDOM;
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65 r.real = (a.real*b.real + a.imag*b.imag)/d;
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66 r.imag = (a.imag*b.real - a.real*b.imag)/d;
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67 return r;
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68 ******************************************************************/
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69
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70 /* This algorithm is better, and is pretty obvious: first divide the
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71 * numerators and denominator by whichever of {b.real, b.imag} has
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72 * larger magnitude. The earliest reference I found was to CACM
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73 * Algorithm 116 (Complex Division, Robert L. Smith, Stanford
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74 * University). As usual, though, we're still ignoring all IEEE
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75 * endcases.
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76 */
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77 Py_complex r; /* the result */
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78 const double abs_breal = b.real < 0 ? -b.real : b.real;
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79 const double abs_bimag = b.imag < 0 ? -b.imag : b.imag;
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80
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81 if (abs_breal >= abs_bimag) {
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82 /* divide tops and bottom by b.real */
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83 if (abs_breal == 0.0) {
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84 errno = EDOM;
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85 r.real = r.imag = 0.0;
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86 }
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87 else {
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88 const double ratio = b.imag / b.real;
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89 const double denom = b.real + b.imag * ratio;
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90 r.real = (a.real + a.imag * ratio) / denom;
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91 r.imag = (a.imag - a.real * ratio) / denom;
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92 }
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93 }
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94 else {
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95 /* divide tops and bottom by b.imag */
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96 const double ratio = b.real / b.imag;
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97 const double denom = b.real * ratio + b.imag;
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98 assert(b.imag != 0.0);
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99 r.real = (a.real * ratio + a.imag) / denom;
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100 r.imag = (a.imag * ratio - a.real) / denom;
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101 }
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102 return r;
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103 }
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104
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105 Py_complex
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106 c_pow(Py_complex a, Py_complex b)
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107 {
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108 Py_complex r;
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109 double vabs,len,at,phase;
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110 if (b.real == 0. && b.imag == 0.) {
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111 r.real = 1.;
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112 r.imag = 0.;
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113 }
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114 else if (a.real == 0. && a.imag == 0.) {
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115 if (b.imag != 0. || b.real < 0.)
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116 errno = EDOM;
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117 r.real = 0.;
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118 r.imag = 0.;
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119 }
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120 else {
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121 vabs = hypot(a.real,a.imag);
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122 len = pow(vabs,b.real);
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123 at = atan2(a.imag, a.real);
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124 phase = at*b.real;
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125 if (b.imag != 0.0) {
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126 len /= exp(at*b.imag);
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127 phase += b.imag*log(vabs);
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128 }
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129 r.real = len*cos(phase);
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130 r.imag = len*sin(phase);
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131 }
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132 return r;
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133 }
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134
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135 static Py_complex
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136 c_powu(Py_complex x, long n)
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137 {
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138 Py_complex r, p;
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139 long mask = 1;
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140 r = c_1;
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141 p = x;
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142 while (mask > 0 && n >= mask) {
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143 if (n & mask)
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144 r = c_prod(r,p);
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145 mask <<= 1;
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146 p = c_prod(p,p);
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147 }
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148 return r;
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149 }
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150
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151 static Py_complex
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152 c_powi(Py_complex x, long n)
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153 {
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154 Py_complex cn;
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155
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156 if (n > 100 || n < -100) {
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157 cn.real = (double) n;
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158 cn.imag = 0.;
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159 return c_pow(x,cn);
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160 }
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161 else if (n > 0)
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162 return c_powu(x,n);
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163 else
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164 return c_quot(c_1,c_powu(x,-n));
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165
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166 }
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167
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168 double
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169 c_abs(Py_complex z)
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170 {
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171 /* sets errno = ERANGE on overflow; otherwise errno = 0 */
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172 double result;
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173
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174 if (!Py_IS_FINITE(z.real) || !Py_IS_FINITE(z.imag)) {
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175 /* C99 rules: if either the real or the imaginary part is an
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176 infinity, return infinity, even if the other part is a
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177 NaN. */
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178 if (Py_IS_INFINITY(z.real)) {
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179 result = fabs(z.real);
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180 errno = 0;
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181 return result;
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182 }
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183 if (Py_IS_INFINITY(z.imag)) {
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184 result = fabs(z.imag);
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185 errno = 0;
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186 return result;
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187 }
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188 /* either the real or imaginary part is a NaN,
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189 and neither is infinite. Result should be NaN. */
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190 return Py_NAN;
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191 }
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192 result = hypot(z.real, z.imag);
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193 if (!Py_IS_FINITE(result))
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194 errno = ERANGE;
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195 else
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196 errno = 0;
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197 return result;
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198 }
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199
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200 static PyObject *
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201 complex_subtype_from_c_complex(PyTypeObject *type, Py_complex cval)
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202 {
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203 PyObject *op;
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204
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205 op = type->tp_alloc(type, 0);
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206 if (op != NULL)
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207 ((PyComplexObject *)op)->cval = cval;
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208 return op;
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209 }
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210
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211 PyObject *
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212 PyComplex_FromCComplex(Py_complex cval)
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213 {
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214 register PyComplexObject *op;
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215
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216 /* Inline PyObject_New */
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217 op = (PyComplexObject *) PyObject_MALLOC(sizeof(PyComplexObject));
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218 if (op == NULL)
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219 return PyErr_NoMemory();
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220 PyObject_INIT(op, &PyComplex_Type);
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221 op->cval = cval;
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222 return (PyObject *) op;
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223 }
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224
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225 static PyObject *
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226 complex_subtype_from_doubles(PyTypeObject *type, double real, double imag)
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227 {
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228 Py_complex c;
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229 c.real = real;
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230 c.imag = imag;
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231 return complex_subtype_from_c_complex(type, c);
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232 }
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233
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234 PyObject *
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235 PyComplex_FromDoubles(double real, double imag)
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236 {
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237 Py_complex c;
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238 c.real = real;
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239 c.imag = imag;
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240 return PyComplex_FromCComplex(c);
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241 }
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242
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243 double
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244 PyComplex_RealAsDouble(PyObject *op)
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245 {
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246 if (PyComplex_Check(op)) {
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247 return ((PyComplexObject *)op)->cval.real;
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248 }
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249 else {
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250 return PyFloat_AsDouble(op);
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251 }
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252 }
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253
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254 double
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255 PyComplex_ImagAsDouble(PyObject *op)
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256 {
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257 if (PyComplex_Check(op)) {
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258 return ((PyComplexObject *)op)->cval.imag;
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259 }
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260 else {
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261 return 0.0;
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262 }
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263 }
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264
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265 static PyObject *
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266 try_complex_special_method(PyObject *op) {
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267 PyObject *f;
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268 _Py_IDENTIFIER(__complex__);
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269
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270 f = _PyObject_LookupSpecial(op, &PyId___complex__);
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271 if (f) {
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272 PyObject *res = PyObject_CallFunctionObjArgs(f, NULL);
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273 Py_DECREF(f);
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274 return res;
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275 }
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276 return NULL;
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277 }
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278
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279 Py_complex
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280 PyComplex_AsCComplex(PyObject *op)
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281 {
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282 Py_complex cv;
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283 PyObject *newop = NULL;
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284
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285 assert(op);
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286 /* If op is already of type PyComplex_Type, return its value */
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287 if (PyComplex_Check(op)) {
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288 return ((PyComplexObject *)op)->cval;
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289 }
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290 /* If not, use op's __complex__ method, if it exists */
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291
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292 /* return -1 on failure */
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293 cv.real = -1.;
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294 cv.imag = 0.;
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295
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296 newop = try_complex_special_method(op);
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297
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298 if (newop) {
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299 if (!PyComplex_Check(newop)) {
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300 PyErr_SetString(PyExc_TypeError,
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301 "__complex__ should return a complex object");
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302 Py_DECREF(newop);
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303 return cv;
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304 }
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305 cv = ((PyComplexObject *)newop)->cval;
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306 Py_DECREF(newop);
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307 return cv;
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308 }
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309 else if (PyErr_Occurred()) {
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310 return cv;
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311 }
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312 /* If neither of the above works, interpret op as a float giving the
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313 real part of the result, and fill in the imaginary part as 0. */
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314 else {
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315 /* PyFloat_AsDouble will return -1 on failure */
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316 cv.real = PyFloat_AsDouble(op);
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317 return cv;
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318 }
3328
4c655115dfce Added PyComplex_AsCComplex
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319 }
4c655115dfce Added PyComplex_AsCComplex
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320
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321 static void
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322 complex_dealloc(PyObject *op)
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323 {
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324 op->ob_type->tp_free(op);
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325 }
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326
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327 static PyObject *
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328 complex_repr(PyComplexObject *v)
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329 {
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330 int precision = 0;
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331 char format_code = 'r';
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332 PyObject *result = NULL;
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333
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334 /* If these are non-NULL, they'll need to be freed. */
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335 char *pre = NULL;
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336 char *im = NULL;
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337
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338 /* These do not need to be freed. re is either an alias
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339 for pre or a pointer to a constant. lead and tail
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340 are pointers to constants. */
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341 char *re = NULL;
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342 char *lead = "";
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343 char *tail = "";
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344
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345 if (v->cval.real == 0. && copysign(1.0, v->cval.real)==1.0) {
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346 /* Real part is +0: just output the imaginary part and do not
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347 include parens. */
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348 re = "";
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349 im = PyOS_double_to_string(v->cval.imag, format_code,
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350 precision, 0, NULL);
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351 if (!im) {
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352 PyErr_NoMemory();
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353 goto done;
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354 }
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355 } else {
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356 /* Format imaginary part with sign, real part without. Include
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357 parens in the result. */
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358 pre = PyOS_double_to_string(v->cval.real, format_code,
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359 precision, 0, NULL);
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360 if (!pre) {
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361 PyErr_NoMemory();
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362 goto done;
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363 }
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364 re = pre;
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365
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366 im = PyOS_double_to_string(v->cval.imag, format_code,
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367 precision, Py_DTSF_SIGN, NULL);
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368 if (!im) {
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369 PyErr_NoMemory();
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370 goto done;
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371 }
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372 lead = "(";
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373 tail = ")";
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374 }
68809
4c2135930882 Issue #10833: Use PyErr_Format() and PyUnicode_FromFormat() instead of
Victor Stinner <victor.stinner@haypocalc.com>
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375 result = PyUnicode_FromFormat("%s%s%sj%s", lead, re, im, tail);
53332
330115137414 Issue #5816: Simplify code for parsing and printing of complex numbers.
Mark Dickinson <dickinsm@gmail.com>
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376 done:
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377 PyMem_Free(im);
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378 PyMem_Free(pre);
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379
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380 return result;
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381 }
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382
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
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383 static Py_hash_t
13452
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384 complex_hash(PyComplexObject *v)
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385 {
65603
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386 Py_uhash_t hashreal, hashimag, combined;
be8ae6b17539 follow up to #9778: define and use an unsigned hash type
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387 hashreal = (Py_uhash_t)_Py_HashDouble(v->cval.real);
be8ae6b17539 follow up to #9778: define and use an unsigned hash type
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388 if (hashreal == (Py_uhash_t)-1)
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389 return -1;
65603
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390 hashimag = (Py_uhash_t)_Py_HashDouble(v->cval.imag);
be8ae6b17539 follow up to #9778: define and use an unsigned hash type
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391 if (hashimag == (Py_uhash_t)-1)
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392 return -1;
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393 /* Note: if the imaginary part is 0, hashimag is 0 now,
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394 * so the following returns hashreal unchanged. This is
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395 * important because numbers of different types that
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396 * compare equal must have the same hash value, so that
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397 * hash(x + 0*j) must equal hash(x).
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398 */
61873
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
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399 combined = hashreal + _PyHASH_IMAG * hashimag;
65603
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400 if (combined == (Py_uhash_t)-1)
be8ae6b17539 follow up to #9778: define and use an unsigned hash type
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401 combined = (Py_uhash_t)-2;
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
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402 return (Py_hash_t)combined;
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403 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
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404
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405 /* This macro may return! */
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406 #define TO_COMPLEX(obj, c) \
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407 if (PyComplex_Check(obj)) \
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408 c = ((PyComplexObject *)(obj))->cval; \
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409 else if (to_complex(&(obj), &(c)) < 0) \
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410 return (obj)
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411
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412 static int
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413 to_complex(PyObject **pobj, Py_complex *pc)
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414 {
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415 PyObject *obj = *pobj;
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416
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417 pc->real = pc->imag = 0.0;
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418 if (PyLong_Check(obj)) {
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419 pc->real = PyLong_AsDouble(obj);
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420 if (pc->real == -1.0 && PyErr_Occurred()) {
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421 *pobj = NULL;
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422 return -1;
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423 }
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424 return 0;
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425 }
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426 if (PyFloat_Check(obj)) {
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427 pc->real = PyFloat_AsDouble(obj);
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428 return 0;
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429 }
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430 Py_INCREF(Py_NotImplemented);
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431 *pobj = Py_NotImplemented;
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432 return -1;
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433 }
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434
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435
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436 static PyObject *
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437 complex_add(PyObject *v, PyObject *w)
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438 {
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439 Py_complex result;
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440 Py_complex a, b;
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441 TO_COMPLEX(v, a);
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442 TO_COMPLEX(w, b);
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443 PyFPE_START_PROTECT("complex_add", return 0)
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444 result = c_sum(a, b);
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445 PyFPE_END_PROTECT(result)
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446 return PyComplex_FromCComplex(result);
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447 }
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448
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449 static PyObject *
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450 complex_sub(PyObject *v, PyObject *w)
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451 {
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452 Py_complex result;
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453 Py_complex a, b;
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454 TO_COMPLEX(v, a);
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455 TO_COMPLEX(w, b);
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456 PyFPE_START_PROTECT("complex_sub", return 0)
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457 result = c_diff(a, b);
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458 PyFPE_END_PROTECT(result)
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459 return PyComplex_FromCComplex(result);
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460 }
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461
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462 static PyObject *
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463 complex_mul(PyObject *v, PyObject *w)
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464 {
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465 Py_complex result;
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466 Py_complex a, b;
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467 TO_COMPLEX(v, a);
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468 TO_COMPLEX(w, b);
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469 PyFPE_START_PROTECT("complex_mul", return 0)
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470 result = c_prod(a, b);
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471 PyFPE_END_PROTECT(result)
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472 return PyComplex_FromCComplex(result);
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473 }
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474
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475 static PyObject *
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476 complex_div(PyObject *v, PyObject *w)
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477 {
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478 Py_complex quot;
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479 Py_complex a, b;
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480 TO_COMPLEX(v, a);
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481 TO_COMPLEX(w, b);
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482 PyFPE_START_PROTECT("complex_div", return 0)
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483 errno = 0;
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484 quot = c_quot(a, b);
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485 PyFPE_END_PROTECT(quot)
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486 if (errno == EDOM) {
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487 PyErr_SetString(PyExc_ZeroDivisionError, "complex division by zero");
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488 return NULL;
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489 }
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490 return PyComplex_FromCComplex(quot);
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491 }
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492
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493 static PyObject *
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494 complex_remainder(PyObject *v, PyObject *w)
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495 {
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496 PyErr_SetString(PyExc_TypeError,
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497 "can't mod complex numbers.");
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498 return NULL;
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499 }
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500
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501
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502 static PyObject *
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503 complex_divmod(PyObject *v, PyObject *w)
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504 {
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505 PyErr_SetString(PyExc_TypeError,
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506 "can't take floor or mod of complex number.");
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507 return NULL;
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508 }
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509
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510 static PyObject *
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511 complex_pow(PyObject *v, PyObject *w, PyObject *z)
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512 {
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513 Py_complex p;
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514 Py_complex exponent;
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515 long int_exponent;
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516 Py_complex a, b;
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517 TO_COMPLEX(v, a);
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518 TO_COMPLEX(w, b);
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519
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520 if (z != Py_None) {
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521 PyErr_SetString(PyExc_ValueError, "complex modulo");
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522 return NULL;
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523 }
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524 PyFPE_START_PROTECT("complex_pow", return 0)
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525 errno = 0;
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526 exponent = b;
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527 int_exponent = (long)exponent.real;
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528 if (exponent.imag == 0. && exponent.real == int_exponent)
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529 p = c_powi(a, int_exponent);
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530 else
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531 p = c_pow(a, exponent);
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532
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533 PyFPE_END_PROTECT(p)
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534 Py_ADJUST_ERANGE2(p.real, p.imag);
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535 if (errno == EDOM) {
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536 PyErr_SetString(PyExc_ZeroDivisionError,
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diff changeset
537 "0.0 to a negative or complex power");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
538 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
539 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
540 else if (errno == ERANGE) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
541 PyErr_SetString(PyExc_OverflowError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
542 "complex exponentiation");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
543 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
544 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
545 return PyComplex_FromCComplex(p);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
546 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
547
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
548 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
549 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
550 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
551 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
552 "can't take floor of complex number.");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
553 return NULL;
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
554 }
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
555
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
556 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
557 complex_neg(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
558 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
559 Py_complex neg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
560 neg.real = -v->cval.real;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
561 neg.imag = -v->cval.imag;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
562 return PyComplex_FromCComplex(neg);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
563 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
564
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
565 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
566 complex_pos(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
567 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
568 if (PyComplex_CheckExact(v)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
569 Py_INCREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
570 return (PyObject *)v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
571 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
572 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
573 return PyComplex_FromCComplex(v->cval);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
574 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
575
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
576 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
577 complex_abs(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
578 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
579 double result;
46477
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
580
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
581 PyFPE_START_PROTECT("complex_abs", return 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
582 result = c_abs(v->cval);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
583 PyFPE_END_PROTECT(result)
46477
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
584
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
585 if (errno == ERANGE) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
586 PyErr_SetString(PyExc_OverflowError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
587 "absolute value too large");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
588 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
589 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
590 return PyFloat_FromDouble(result);
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
591 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
592
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
593 static int
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39607
diff changeset
594 complex_bool(PyComplexObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
595 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
596 return v->cval.real != 0.0 || v->cval.imag != 0.0;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
597 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
598
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
599 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
600 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
601 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
602 PyObject *res;
61787
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
603 Py_complex i;
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
604 int equal;
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
605
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
606 if (op != Py_EQ && op != Py_NE) {
61787
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
607 goto Unimplemented;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
608 }
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
609
61787
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
610 assert(PyComplex_Check(v));
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
611 TO_COMPLEX(v, i);
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
612
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
613 if (PyLong_Check(w)) {
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
614 /* Check for 0.0 imaginary part first to avoid the rich
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
615 * comparison when possible.
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
616 */
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
617 if (i.imag == 0.0) {
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
618 PyObject *j, *sub_res;
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
619 j = PyFloat_FromDouble(i.real);
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
620 if (j == NULL)
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
621 return NULL;
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
622
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
623 sub_res = PyObject_RichCompare(j, w, op);
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
624 Py_DECREF(j);
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
625 return sub_res;
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
626 }
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
627 else {
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
628 equal = 0;
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
629 }
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
630 }
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
631 else if (PyFloat_Check(w)) {
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
632 equal = (i.real == PyFloat_AsDouble(w) && i.imag == 0.0);
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
633 }
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
634 else if (PyComplex_Check(w)) {
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
635 Py_complex j;
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
636
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
637 TO_COMPLEX(w, j);
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
638 equal = (i.real == j.real && i.imag == j.imag);
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
639 }
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
640 else {
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
641 goto Unimplemented;
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
642 }
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
643
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
644 if (equal == (op == Py_EQ))
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
645 res = Py_True;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
646 else
61787
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
647 res = Py_False;
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
648
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
649 Py_INCREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
650 return res;
61787
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
651
d6016fa58df6 Issue #8748: Fix two issues with comparisons between complex and integer
Mark Dickinson <dickinsm@gmail.com>
parents: 61466
diff changeset
652 Unimplemented:
71810
d0b0fcbb40db Replace Py_NotImplemented returns with the macro form Py_RETURN_NOTIMPLEMENTED.
Brian Curtin <brian@python.org>
parents: 69498
diff changeset
653 Py_RETURN_NOTIMPLEMENTED;
15976
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
654 }
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
655
51fc45276a43 Use rich comparisons to fulfill an old wish: complex numbers now raise
Guido van Rossum <guido@python.org>
parents: 14869
diff changeset
656 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
657 complex_int(PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
658 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
659 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
660 "can't convert complex to int");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
661 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
662 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
663
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
664 static PyObject *
13452
ed4f7a22e928 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
665 complex_float(PyObject *v)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
666 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
667 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
668 "can't convert complex to float");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
669 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
670 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
671
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
672 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
673 complex_conjugate(PyObject *self)
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
674 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
675 Py_complex c;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
676 c = ((PyComplexObject *)self)->cval;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
677 c.imag = -c.imag;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
678 return PyComplex_FromCComplex(c);
3316
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Guido van Rossum <guido@python.org>
parents:
diff changeset
679 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
680
42414
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
681 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
682 "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
683 "\n"
8c165d20709f Kill div, mod and divmod on complex (already deprecated in 2.x).
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
684 "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
685
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
686 static PyObject *
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
687 complex_getnewargs(PyComplexObject *v)
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
688 {
61467
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diff changeset
689 Py_complex c = v->cval;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
690 return Py_BuildValue("(dd)", c.real, c.imag);
27521
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
691 }
17bfd5dbc0f1 Implement appropriate __getnewargs__ for all immutable subclassable builtin
Guido van Rossum <guido@python.org>
parents: 25064
diff changeset
692
53632
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
693 PyDoc_STRVAR(complex__format__doc,
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
694 "complex.__format__() -> str\n"
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
695 "\n"
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
696 "Converts to a string according to format_spec.");
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
697
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
698 static PyObject *
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
699 complex__format__(PyObject* self, PyObject* args)
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
700 {
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
701 PyObject *format_spec;
77223
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
702 _PyUnicodeWriter writer;
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
703 int ret;
53632
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
704
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
705 if (!PyArg_ParseTuple(args, "U:__format__", &format_spec))
77223
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
706 return NULL;
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
707
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
708 _PyUnicodeWriter_Init(&writer, 0);
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
709 ret = _PyComplex_FormatAdvancedWriter(
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
710 &writer,
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
711 self,
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
712 format_spec, 0, PyUnicode_GET_LENGTH(format_spec));
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
713 if (ret == -1) {
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
714 _PyUnicodeWriter_Dealloc(&writer);
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
715 return NULL;
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
716 }
22b56b0b8619 Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args)
Victor Stinner <victor.stinner@gmail.com>
parents: 74578
diff changeset
717 return _PyUnicodeWriter_Finish(&writer);
53632
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
718 }
2cde0d003ffc Issue #1588: Add complex.__format__.
Eric Smith <eric@trueblade.com>
parents: 53466
diff changeset
719
46477
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Christian Heimes <christian@cheimes.de>
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diff changeset
720 #if 0
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
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parents: 46161
diff changeset
721 static PyObject *
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
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parents: 46161
diff changeset
722 complex_is_finite(PyObject *self)
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
723 {
61467
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diff changeset
724 Py_complex c;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
725 c = ((PyComplexObject *)self)->cval;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
726 return PyBool_FromLong((long)(Py_IS_FINITE(c.real) &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54225
diff changeset
727 Py_IS_FINITE(c.imag)));
46477
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
728 }
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
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parents: 46161
diff changeset
729
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parents: 46161
diff changeset
730 PyDoc_STRVAR(complex_is_finite_doc,
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
731 "complex.is_finite() -> bool\n"
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
732 "\n"
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diff changeset
733 "Returns True if the real and the imaginary part is finite.");
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
734 #endif
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Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
735
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
736 static PyMethodDef complex_methods[] = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
737 {"conjugate", (PyCFunction)complex_conjugate, METH_NOARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54225
diff changeset
738 complex_conjugate_doc},
46477
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
739 #if 0
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
740 {"is_finite", (PyCFunction)complex_is_finite, METH_NOARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
741 complex_is_finite_doc},
46477
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46161
diff changeset
742 #endif
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
743 {"__getnewargs__", (PyCFunction)complex_getnewargs, METH_NOARGS},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
744 {"__format__", (PyCFunction)complex__format__,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54225
diff changeset
745 METH_VARARGS, complex__format__doc},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
746 {NULL, NULL} /* sentinel */
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
747 };
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
748
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19974
diff changeset
749 static PyMemberDef complex_members[] = {
61467
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parents: 54225
diff changeset
750 {"real", T_DOUBLE, offsetof(PyComplexObject, cval.real), READONLY,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54225
diff changeset
751 "the real part of a complex number"},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54225
diff changeset
752 {"imag", T_DOUBLE, offsetof(PyComplexObject, cval.imag), READONLY,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54225
diff changeset
753 "the imaginary part of a complex number"},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
754 {0},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
755 };
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
756
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
757 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 17066
diff changeset
758 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
759 {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
760 const char *s, *start;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
761 char *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
762 double x=0.0, y=0.0, z;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
763 int got_bracket=0;
66673
7b6af56ee74d Issue #10557: Fixed error messages from float() and other numeric
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66648
diff changeset
764 PyObject *s_buffer = NULL;
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
765 Py_ssize_t len;
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parents: 17066
diff changeset
766
61467
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parents: 54225
diff changeset
767 if (PyUnicode_Check(v)) {
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71810
diff changeset
768 s_buffer = _PyUnicode_TransformDecimalAndSpaceToASCII(v);
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59563
diff changeset
769 if (s_buffer == NULL)
61467
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diff changeset
770 return NULL;
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71810
diff changeset
771 s = PyUnicode_AsUTF8AndSize(s_buffer, &len);
66673
7b6af56ee74d Issue #10557: Fixed error messages from float() and other numeric
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66648
diff changeset
772 if (s == NULL)
61466
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parents: 59563
diff changeset
773 goto error;
61467
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parents: 54225
diff changeset
774 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54225
diff changeset
775 else if (PyObject_AsCharBuffer(v, &s, &len)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
776 PyErr_SetString(PyExc_TypeError,
66648
ae10282e7f4e #6780: fix complex() constructor TypeError message
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65603
diff changeset
777 "complex() argument must be a string or a number");
61467
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parents: 54225
diff changeset
778 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
779 }
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Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
780
61467
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diff changeset
781 /* position on first nonblank */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
782 start = s;
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parents: 54225
diff changeset
783 while (Py_ISSPACE(*s))
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parents: 54225
diff changeset
784 s++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
785 if (*s == '(') {
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parents: 54225
diff changeset
786 /* Skip over possible bracket from repr(). */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
787 got_bracket = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
788 s++;
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parents: 54225
diff changeset
789 while (Py_ISSPACE(*s))
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parents: 54225
diff changeset
790 s++;
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parents: 54225
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791 }
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parents: 17066
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792
61467
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diff changeset
793 /* a valid complex string usually takes one of the three forms:
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Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
794
61467
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diff changeset
795 <float> - real part only
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diff changeset
796 <float>j - imaginary part only
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diff changeset
797 <float><signed-float>j - real and imaginary parts
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Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
798
61467
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diff changeset
799 where <float> represents any numeric string that's accepted by the
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parents: 54225
diff changeset
800 float constructor (including 'nan', 'inf', 'infinity', etc.), and
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diff changeset
801 <signed-float> is any string of the form <float> whose first
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54225
diff changeset
802 character is '+' or '-'.
53343
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
803
61467
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diff changeset
804 For backwards compatibility, the extra forms
53343
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
805
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diff changeset
806 <float><sign>j
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
807 <sign>j
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
808 j
53343
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
809
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
810 are also accepted, though support for these forms may be removed from
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
811 a future version of Python.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
812 */
53343
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
813
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
814 /* first look for forms starting with <float> */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
815 z = PyOS_string_to_double(s, &end, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
816 if (z == -1.0 && PyErr_Occurred()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
817 if (PyErr_ExceptionMatches(PyExc_ValueError))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
818 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
819 else
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59563
diff changeset
820 goto error;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
821 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
822 if (end != s) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
823 /* all 4 forms starting with <float> land here */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
824 s = end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
825 if (*s == '+' || *s == '-') {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
826 /* <float><signed-float>j | <float><sign>j */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
827 x = z;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
828 y = PyOS_string_to_double(s, &end, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
829 if (y == -1.0 && PyErr_Occurred()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
830 if (PyErr_ExceptionMatches(PyExc_ValueError))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
831 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
832 else
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59563
diff changeset
833 goto error;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
834 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
835 if (end != s)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
836 /* <float><signed-float>j */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
837 s = end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
838 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
839 /* <float><sign>j */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
840 y = *s == '+' ? 1.0 : -1.0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
841 s++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
842 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
843 if (!(*s == 'j' || *s == 'J'))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
844 goto parse_error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
845 s++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
846 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
847 else if (*s == 'j' || *s == 'J') {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
848 /* <float>j */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
849 s++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
850 y = z;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
851 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
852 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
853 /* <float> */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
854 x = z;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
855 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
856 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
857 /* not starting with <float>; must be <sign>j or j */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
858 if (*s == '+' || *s == '-') {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
859 /* <sign>j */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
860 y = *s == '+' ? 1.0 : -1.0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
861 s++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
862 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
863 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
864 /* j */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
865 y = 1.0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
866 if (!(*s == 'j' || *s == 'J'))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
867 goto parse_error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
868 s++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
869 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
870
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
871 /* trailing whitespace and closing bracket */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
872 while (Py_ISSPACE(*s))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
873 s++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
874 if (got_bracket) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
875 /* if there was an opening parenthesis, then the corresponding
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
876 closing parenthesis should be right here */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
877 if (*s != ')')
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
878 goto parse_error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
879 s++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
880 while (Py_ISSPACE(*s))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
881 s++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
882 }
53343
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
883
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
884 /* we should now be at the end of the string */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
885 if (s-start != len)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
886 goto parse_error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
887
66673
7b6af56ee74d Issue #10557: Fixed error messages from float() and other numeric
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66648
diff changeset
888 Py_XDECREF(s_buffer);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
889 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
890
53343
06db1d9d255f Make sure that complex parsing code and corresponding tests
Mark Dickinson <dickinsm@gmail.com>
parents: 53332
diff changeset
891 parse_error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
892 PyErr_SetString(PyExc_ValueError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
893 "complex() arg is a malformed string");
56770
5a8e81594f0f Make sure memory is freed on error in complex_subtype_from_string.
Mark Dickinson <dickinsm@gmail.com>
parents: 56769
diff changeset
894 error:
66673
7b6af56ee74d Issue #10557: Fixed error messages from float() and other numeric
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66648
diff changeset
895 Py_XDECREF(s_buffer);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
896 return NULL;
3316
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
897 }
e5d1f242daf9 complex numbers a la Konrad Hinsen
Guido van Rossum <guido@python.org>
parents:
diff changeset
898
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
899 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17066
diff changeset
900 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
901 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59563
diff changeset
902 PyObject *r, *i, *tmp;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
903 PyNumberMethods *nbr, *nbi = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
904 Py_complex cr, ci;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
905 int own_r = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
906 int cr_is_complex = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
907 int ci_is_complex = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
908 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
909
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
910 r = Py_False;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
911 i = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
912 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|OO:complex", kwlist,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
913 &r, &i))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
914 return NULL;
25064
81a36d2a2d13 complex() was the only numeric constructor that created a new instance
Raymond Hettinger <python@rcn.com>
parents: 24898
diff changeset
915
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
916 /* Special-case for a single argument when type(arg) is complex. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
917 if (PyComplex_CheckExact(r) && i == NULL &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
918 type == &PyComplex_Type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
919 /* Note that we can't know whether it's safe to return
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
920 a complex *subclass* instance as-is, hence the restriction
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
921 to exact complexes here. If either the input or the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
922 output is a complex subclass, it will be handled below
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
923 as a non-orthogonal vector. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
924 Py_INCREF(r);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
925 return r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
926 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
927 if (PyUnicode_Check(r)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
928 if (i != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
929 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
930 "complex() can't take second arg"
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
931 " if first is a string");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
932 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
933 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
934 return complex_subtype_from_string(type, r);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
935 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
936 if (i != NULL && PyUnicode_Check(i)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
937 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
938 "complex() second arg can't be a string");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
939 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54225
diff changeset
940 }
19889
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
941
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diff changeset
942 tmp = try_complex_special_method(r);
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diff changeset
943 if (tmp) {
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944 r = tmp;
61467
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945 own_r = 1;
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946 }
61466
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947 else if (PyErr_Occurred()) {
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948 return NULL;
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949 }
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950
61467
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951 nbr = r->ob_type->tp_as_number;
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952 if (i != NULL)
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953 nbi = i->ob_type->tp_as_number;
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954 if (nbr == NULL || nbr->nb_float == NULL ||
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955 ((i != NULL) && (nbi == NULL || nbi->nb_float == NULL))) {
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956 PyErr_SetString(PyExc_TypeError,
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957 "complex() argument must be a string or a number");
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958 if (own_r) {
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959 Py_DECREF(r);
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960 }
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961 return NULL;
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962 }
41554
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963
61467
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964 /* If we get this far, then the "real" and "imag" parts should
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965 both be treated as numbers, and the constructor should return a
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966 complex number equal to (real + imag*1j).
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967
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968 Note that we do NOT assume the input to already be in canonical
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969 form; the "real" and "imag" parts might themselves be complex
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970 numbers, which slightly complicates the code below. */
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971 if (PyComplex_Check(r)) {
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972 /* Note that if r is of a complex subtype, we're only
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973 retaining its real & imag parts here, and the return
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974 value is (properly) of the builtin complex type. */
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975 cr = ((PyComplexObject*)r)->cval;
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976 cr_is_complex = 1;
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977 if (own_r) {
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978 Py_DECREF(r);
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979 }
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980 }
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981 else {
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982 /* The "real" part really is entirely real, and contributes
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983 nothing in the imaginary direction.
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984 Just treat it as a double. */
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985 tmp = PyNumber_Float(r);
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986 if (own_r) {
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987 /* r was a newly created complex number, rather
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988 than the original "real" argument. */
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989 Py_DECREF(r);
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990 }
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991 if (tmp == NULL)
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992 return NULL;
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993 if (!PyFloat_Check(tmp)) {
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994 PyErr_SetString(PyExc_TypeError,
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995 "float(r) didn't return a float");
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996 Py_DECREF(tmp);
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997 return NULL;
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998 }
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999 cr.real = PyFloat_AsDouble(tmp);
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1000 cr.imag = 0.0; /* Shut up compiler warning */
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1001 Py_DECREF(tmp);
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1002 }
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1003 if (i == NULL) {
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1004 ci.real = 0.0;
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1005 }
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1006 else if (PyComplex_Check(i)) {
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1007 ci = ((PyComplexObject*)i)->cval;
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1008 ci_is_complex = 1;
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1009 } else {
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1010 /* The "imag" part really is entirely imaginary, and
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1011 contributes nothing in the real direction.
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1012 Just treat it as a double. */
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1013 tmp = (*nbi->nb_float)(i);
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1014 if (tmp == NULL)
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1015 return NULL;
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1016 ci.real = PyFloat_AsDouble(tmp);
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1017 Py_DECREF(tmp);
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1018 }
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1019 /* If the input was in canonical form, then the "real" and "imag"
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1020 parts are real numbers, so that ci.imag and cr.imag are zero.
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1021 We need this correction in case they were not real numbers. */
44045
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1022
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1023 if (ci_is_complex) {
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1024 cr.real -= ci.imag;
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1025 }
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1026 if (cr_is_complex) {
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1027 ci.real += cr.imag;
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1028 }
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1029 return complex_subtype_from_doubles(type, cr.real, ci.real);
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1030 }
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1031
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
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diff changeset
1032 PyDoc_STRVAR(complex_doc,
19889
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Tim Peters <tim.peters@gmail.com>
parents: 19758
diff changeset
1033 "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>
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diff changeset
1034 "\n"
733314fcfdaa Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.
Tim Peters <tim.peters@gmail.com>
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diff changeset
1035 "Create a complex number from a real part and an optional imaginary part.\n"
23832
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Martin v. Löwis <martin@v.loewis.de>
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diff changeset
1036 "This is equivalent to (real + imag*1j) where imag defaults to 0.");
18933
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diff changeset
1037
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5286
diff changeset
1038 static PyNumberMethods complex_as_number = {
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1039 (binaryfunc)complex_add, /* nb_add */
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1040 (binaryfunc)complex_sub, /* nb_subtract */
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1041 (binaryfunc)complex_mul, /* nb_multiply */
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1042 (binaryfunc)complex_remainder, /* nb_remainder */
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1043 (binaryfunc)complex_divmod, /* nb_divmod */
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1044 (ternaryfunc)complex_pow, /* nb_power */
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1045 (unaryfunc)complex_neg, /* nb_negative */
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1046 (unaryfunc)complex_pos, /* nb_positive */
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1047 (unaryfunc)complex_abs, /* nb_absolute */
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1048 (inquiry)complex_bool, /* nb_bool */
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1049 0, /* nb_invert */
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1050 0, /* nb_lshift */
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1051 0, /* nb_rshift */
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1052 0, /* nb_and */
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1053 0, /* nb_xor */
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1054 0, /* nb_or */
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1055 complex_int, /* nb_int */
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1056 0, /* nb_reserved */
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1057 complex_float, /* nb_float */
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1058 0, /* nb_inplace_add */
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1059 0, /* nb_inplace_subtract */
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1060 0, /* nb_inplace_multiply*/
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1061 0, /* nb_inplace_remainder */
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1062 0, /* nb_inplace_power */
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1063 0, /* nb_inplace_lshift */
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1064 0, /* nb_inplace_rshift */
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1065 0, /* nb_inplace_and */
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1066 0, /* nb_inplace_xor */
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1067 0, /* nb_inplace_or */
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1068 (binaryfunc)complex_int_div, /* nb_floor_divide */
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1069 (binaryfunc)complex_div, /* nb_true_divide */
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1070 0, /* nb_inplace_floor_divide */
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1071 0, /* nb_inplace_true_divide */
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1072 };
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1073
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1074 PyTypeObject PyComplex_Type = {
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1075 PyVarObject_HEAD_INIT(&PyType_Type, 0)
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1076 "complex",
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1077 sizeof(PyComplexObject),
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1078 0,
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1079 complex_dealloc, /* tp_dealloc */
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1080 0, /* tp_print */
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1081 0, /* tp_getattr */
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1082 0, /* tp_setattr */
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1083 0, /* tp_reserved */
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1084 (reprfunc)complex_repr, /* tp_repr */
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1085 &complex_as_number, /* tp_as_number */
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1086 0, /* tp_as_sequence */
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1087 0, /* tp_as_mapping */
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1088 (hashfunc)complex_hash, /* tp_hash */
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1089 0, /* tp_call */
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1090 (reprfunc)complex_repr, /* tp_str */
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1091 PyObject_GenericGetAttr, /* tp_getattro */
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1092 0, /* tp_setattro */
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1093 0, /* tp_as_buffer */
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1094 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
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1095 complex_doc, /* tp_doc */
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1096 0, /* tp_traverse */
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1097 0, /* tp_clear */
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1098 complex_richcompare, /* tp_richcompare */
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1099 0, /* tp_weaklistoffset */
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1100 0, /* tp_iter */
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1101 0, /* tp_iternext */
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1102 complex_methods, /* tp_methods */
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1103 complex_members, /* tp_members */
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1104 0, /* tp_getset */
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1105 0, /* tp_base */
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1106 0, /* tp_dict */
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1107 0, /* tp_descr_get */
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1108 0, /* tp_descr_set */
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1109 0, /* tp_dictoffset */
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1110 0, /* tp_init */
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1111 PyType_GenericAlloc, /* tp_alloc */
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1112 complex_new, /* tp_new */
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1113 PyObject_Del, /* tp_free */
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1114 };