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annotate src/OPERATORS/op-fs-fs.cc @ 7789:82be108cc558

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First attempt at single precision tyeps * * * corrections to qrupdate single precision routines * * * prefer demotion to single over promotion to double * * * Add single precision support to log2 function * * * Trivial PROJECT file update * * * Cache optimized hermitian/transpose methods * * * Add tests for tranpose/hermitian and ChangeLog entry for new transpose code
author David Bateman <dbateman@free.fr>
date Sun, 27 Apr 2008 22:34:17 +0200
parents
children 87865ed7405f
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7789
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1 /*
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2
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3 Copyright (C) 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005,
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4 2007 John W. Eaton
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #include "gripes.h"
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29 #include "oct-obj.h"
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30 #include "ov.h"
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31 #include "ov-scalar.h"
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32 #include "ov-float.h"
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33 #include "ov-flt-re-mat.h"
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34 #include "ov-typeinfo.h"
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35 #include "ops.h"
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36 #include "xdiv.h"
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37 #include "xpow.h"
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38
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39 // scalar unary ops.
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40
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41 DEFUNOP_OP (not, float_scalar, !)
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42 DEFUNOP_OP (uplus, float_scalar, /* no-op */)
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43 DEFUNOP_OP (uminus, float_scalar, -)
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44 DEFUNOP_OP (transpose, float_scalar, /* no-op */)
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45 DEFUNOP_OP (hermitian, float_scalar, /* no-op */)
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46
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47 DEFNCUNOP_METHOD (incr, float_scalar, increment)
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48 DEFNCUNOP_METHOD (decr, float_scalar, decrement)
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49
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50 // float by float ops.
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51
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52 DEFBINOP_OP (add, float_scalar, float_scalar, +)
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53 DEFBINOP_OP (sub, float_scalar, float_scalar, -)
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54 DEFBINOP_OP (mul, float_scalar, float_scalar, *)
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55
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56 DEFBINOP (div, float_scalar, float_scalar)
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57 {
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58 CAST_BINOP_ARGS (const octave_float_scalar&, const octave_float_scalar&);
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59
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60 float d = v2.float_value ();
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61
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62 if (d == 0.0)
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63 gripe_divide_by_zero ();
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64
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65 return octave_value (v1.float_value () / d);
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66 }
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67
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68 DEFBINOP_FN (pow, float_scalar, float_scalar, xpow)
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69
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70 DEFBINOP (ldiv, float_scalar, float_scalar)
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71 {
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72 CAST_BINOP_ARGS (const octave_float_scalar&, const octave_float_scalar&);
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73
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74 float d = v1.float_value ();
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75
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76 if (d == 0.0)
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77 gripe_divide_by_zero ();
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78
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79 return octave_value (v2.float_value () / d);
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80 }
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81
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82 DEFBINOP_OP (lt, float_scalar, float_scalar, <)
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83 DEFBINOP_OP (le, float_scalar, float_scalar, <=)
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84 DEFBINOP_OP (eq, float_scalar, float_scalar, ==)
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85 DEFBINOP_OP (ge, float_scalar, float_scalar, >=)
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86 DEFBINOP_OP (gt, float_scalar, float_scalar, >)
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87 DEFBINOP_OP (ne, float_scalar, float_scalar, !=)
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88
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89 DEFBINOP_OP (el_mul, float_scalar, float_scalar, *)
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90
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91 DEFBINOP (el_div, float_scalar, float_scalar)
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92 {
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93 CAST_BINOP_ARGS (const octave_float_scalar&, const octave_float_scalar&);
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94
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95 float d = v2.float_value ();
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96
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97 if (d == 0.0)
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98 gripe_divide_by_zero ();
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99
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100 return octave_value (v1.float_value () / d);
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101 }
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102
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103 DEFBINOP_FN (el_pow, float_scalar, float_scalar, xpow)
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104
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105 DEFBINOP (el_ldiv, float_scalar, float_scalar)
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106 {
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107 CAST_BINOP_ARGS (const octave_float_scalar&, const octave_float_scalar&);
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108
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109 float d = v1.float_value ();
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110
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111 if (d == 0.0)
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112 gripe_divide_by_zero ();
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113
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114 return octave_value (v2.float_value () / d);
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115 }
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116
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117 DEFBINOP_OP (el_and, float_scalar, float_scalar, &&)
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118 DEFBINOP_OP (el_or, float_scalar, float_scalar, ||)
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119
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120 DEFNDCATOP_FN (fs_fs, float_scalar, float_scalar, float_array, float_array, concat)
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121
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122 CONVDECL (float_to_scalar)
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123 {
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124 CAST_CONV_ARG (const octave_float_scalar&);
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125
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126 return new octave_matrix (Matrix (1, 1, static_cast<double>(v.float_value ())));
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127 }
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128
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129 void
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130 install_fs_fs_ops (void)
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131 {
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132 INSTALL_UNOP (op_not, octave_float_scalar, not);
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133 INSTALL_UNOP (op_uplus, octave_float_scalar, uplus);
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134 INSTALL_UNOP (op_uminus, octave_float_scalar, uminus);
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135 INSTALL_UNOP (op_transpose, octave_float_scalar, transpose);
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136 INSTALL_UNOP (op_hermitian, octave_float_scalar, hermitian);
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137
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138 INSTALL_NCUNOP (op_incr, octave_float_scalar, incr);
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139 INSTALL_NCUNOP (op_decr, octave_float_scalar, decr);
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140
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141 INSTALL_BINOP (op_add, octave_float_scalar, octave_float_scalar, add);
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142 INSTALL_BINOP (op_sub, octave_float_scalar, octave_float_scalar, sub);
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143 INSTALL_BINOP (op_mul, octave_float_scalar, octave_float_scalar, mul);
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144 INSTALL_BINOP (op_div, octave_float_scalar, octave_float_scalar, div);
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145 INSTALL_BINOP (op_pow, octave_float_scalar, octave_float_scalar, pow);
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146 INSTALL_BINOP (op_ldiv, octave_float_scalar, octave_float_scalar, ldiv);
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147 INSTALL_BINOP (op_lt, octave_float_scalar, octave_float_scalar, lt);
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148 INSTALL_BINOP (op_le, octave_float_scalar, octave_float_scalar, le);
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149 INSTALL_BINOP (op_eq, octave_float_scalar, octave_float_scalar, eq);
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150 INSTALL_BINOP (op_ge, octave_float_scalar, octave_float_scalar, ge);
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151 INSTALL_BINOP (op_gt, octave_float_scalar, octave_float_scalar, gt);
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152 INSTALL_BINOP (op_ne, octave_float_scalar, octave_float_scalar, ne);
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153 INSTALL_BINOP (op_el_mul, octave_float_scalar, octave_float_scalar, el_mul);
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154 INSTALL_BINOP (op_el_div, octave_float_scalar, octave_float_scalar, el_div);
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155 INSTALL_BINOP (op_el_pow, octave_float_scalar, octave_float_scalar, el_pow);
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156 INSTALL_BINOP (op_el_ldiv, octave_float_scalar, octave_float_scalar, el_ldiv);
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157 INSTALL_BINOP (op_el_and, octave_float_scalar, octave_float_scalar, el_and);
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158 INSTALL_BINOP (op_el_or, octave_float_scalar, octave_float_scalar, el_or);
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159
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160 INSTALL_CATOP (octave_float_scalar, octave_float_scalar, fs_fs);
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161
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162 INSTALL_ASSIGNCONV (octave_float_scalar, octave_float_scalar, octave_float_matrix);
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163 INSTALL_ASSIGNCONV (octave_scalar, octave_float_scalar, octave_matrix);
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164
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165 INSTALL_CONVOP (octave_float_scalar, octave_matrix, float_to_scalar);
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166 }
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167
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168 /*
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169 ;;; Local Variables: ***
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170 ;;; mode: C++ ***
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171 ;;; End: ***
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172 */