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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_oct_cmplx_h) |
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24 #define octave_oct_cmplx_h 1 |
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25 |
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26 // By using this file instead of <complex>, we can easily avoid buggy |
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27 // implementations of the standard complex data type (if needed). |
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28 |
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29 #include <complex> |
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30 |
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31 typedef std::complex<double> Complex; |
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32 |
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33 #if defined (CXX_ISO_COMPLIANT_LIBRARY) |
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34 |
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35 // If namespaces don't work, we will end up with some infinite looping. |
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36 |
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37 inline double |
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38 real (const Complex& z) |
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39 { |
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40 return std::real (z); |
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41 } |
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42 |
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43 inline double |
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44 imag (const Complex& z) |
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45 { |
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46 return std::imag (z); |
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47 } |
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48 |
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49 inline double |
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50 abs (const Complex& z) |
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51 { |
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52 return std::abs (z); |
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53 } |
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54 |
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55 inline double |
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56 arg (const Complex& z) |
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57 { |
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58 return std::arg (z); |
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59 } |
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60 |
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61 inline double |
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62 norm (const Complex& z) |
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63 { |
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64 return std::norm (z); |
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65 } |
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66 |
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67 inline Complex |
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68 conj (const Complex& z) |
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69 { |
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70 return std::conj (z); |
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71 } |
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72 |
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73 inline Complex |
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74 polar (const double& x, const double& y); |
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75 |
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76 inline Complex |
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77 cos (const Complex& z) |
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78 { |
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79 return std::cos (z); |
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80 } |
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81 |
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82 inline Complex |
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83 cosh (const Complex& z) |
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84 { |
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85 return std::cosh (z); |
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86 } |
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87 |
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88 inline Complex |
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89 exp (const Complex& z) |
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90 { |
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91 return std::exp (z); |
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92 } |
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93 |
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94 inline Complex |
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95 log (const Complex& z) |
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96 { |
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97 return std::log (z); |
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98 } |
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99 |
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100 inline Complex |
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101 log10 (const Complex& z) |
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102 { |
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103 return std::log10 (z); |
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104 } |
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105 |
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106 inline Complex |
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107 pow (const Complex& z, int n) |
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108 { |
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109 return std::pow (z, n); |
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110 } |
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111 |
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112 inline Complex |
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113 pow (const Complex& z, const double& x) |
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114 { |
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115 // XXX FIXME XXX -- this should not be needed, but it avoids a bug |
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116 // in some versions of libstdc++ (3.3.x and possibly others). |
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117 |
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118 return std::pow (z, Complex (x)); |
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119 } |
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120 |
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121 inline Complex |
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122 pow (const Complex& z1, const Complex& z2) |
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123 { |
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124 return std::pow (z1, z2); |
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125 } |
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126 |
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127 inline Complex |
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128 pow (const double& x, const Complex& z) |
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129 { |
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130 return std::pow (x, z); |
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131 } |
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132 |
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133 inline Complex |
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134 sin (const Complex& z) |
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135 { |
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136 return std::sin (z); |
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137 } |
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138 |
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139 inline Complex |
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140 sinh (const Complex& z) |
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141 { |
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142 return std::sinh (z); |
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143 } |
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144 |
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145 inline Complex |
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146 sqrt (const Complex& z) |
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147 { |
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148 return std::sqrt (z); |
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149 } |
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150 |
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151 inline Complex |
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152 tan (const Complex& z) |
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153 { |
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154 return std::tan (z); |
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155 } |
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156 |
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157 inline Complex |
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158 tanh (const Complex& z) |
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159 { |
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160 return std::tanh (z); |
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161 } |
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162 |
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163 #endif |
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164 |
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165 #endif |
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166 |
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167 /* |
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168 ;;; Local Variables: *** |
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169 ;;; mode: C++ *** |
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170 ;;; End: *** |
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171 */ |
