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1 /* |
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2 |
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3 Copyright (C) 2004 David Bateman |
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4 Copyright (C) 1998-2004 Andy Adler |
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5 |
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6 Octave is free software; you can redistribute it and/or modify it |
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7 under the terms of the GNU General Public License as published by the |
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8 Free Software Foundation; either version 2, or (at your option) any |
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9 later version. |
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10 |
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11 Octave is distributed in the hope that it will be useful, but WITHOUT |
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 for more details. |
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15 |
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16 You should have received a copy of the GNU General Public License |
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17 along with this program; see the file COPYING. If not, write to the |
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18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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19 Boston, MA 02110-1301, USA. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #include "lo-error.h" |
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28 #include "lo-ieee.h" |
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29 |
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30 #include "oct-spparms.h" |
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31 |
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32 octave_sparse_params *octave_sparse_params::instance = 0; |
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33 |
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34 bool |
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35 octave_sparse_params::instance_ok (void) |
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36 { |
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37 bool retval = true; |
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38 |
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39 if (! instance) |
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40 instance = new octave_sparse_params (); |
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41 |
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42 if (! instance) |
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43 { |
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44 (*current_liboctave_error_handler) |
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45 ("unable to create octave_sparse_params object!"); |
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46 |
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47 retval = false; |
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48 } |
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49 |
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50 return retval; |
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51 } |
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52 |
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53 void |
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54 octave_sparse_params::defaults (void) |
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55 { |
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56 if (instance_ok ()) |
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57 instance->do_defaults (); |
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58 } |
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59 |
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60 void |
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61 octave_sparse_params::tight (void) |
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62 { |
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63 if (instance_ok ()) |
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64 instance->do_tight (); |
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65 } |
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66 |
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67 string_vector |
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68 octave_sparse_params::get_keys (void) |
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69 { |
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70 return instance_ok () ? instance->do_get_keys () : string_vector (); |
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71 } |
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72 |
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73 ColumnVector |
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74 octave_sparse_params::get_vals (void) |
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75 { |
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76 return instance_ok () ? instance->do_get_vals () : ColumnVector (); |
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77 } |
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78 |
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79 bool |
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80 octave_sparse_params::set_vals (const NDArray& vals) |
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81 { |
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82 return instance_ok () ? instance->do_set_vals (vals) : false; |
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83 } |
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84 |
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85 bool |
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86 octave_sparse_params::set_key (const std::string& key, const double& val) |
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87 { |
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88 return instance_ok () ? instance->do_set_key (key, val) : false; |
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89 } |
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90 |
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91 double |
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92 octave_sparse_params::get_key (const std::string& key) |
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93 { |
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94 return instance_ok () ? instance->do_get_key (key) : octave_NaN; |
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95 } |
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96 |
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97 double |
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98 octave_sparse_params::get_bandden (void) |
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99 { |
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100 return instance_ok () ? instance->do_get_bandden () : 0.0; |
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101 } |
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102 |
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103 void |
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104 octave_sparse_params::print_info (std::ostream& os, const std::string& prefix) |
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105 { |
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106 if (instance_ok ()) |
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107 instance->do_print_info (os, prefix); |
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108 } |
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109 |
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110 void |
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111 octave_sparse_params::do_defaults (void) |
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112 { |
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113 params(0) = 0; // spumoni |
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114 params(1) = 1; // ths_rel |
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115 params(2) = 1; // ths_abs |
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116 params(3) = 0; // exact_d |
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117 params(4) = 3; // supernd |
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118 params(5) = 3; // rreduce |
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119 params(6) = 0.5; // wh_frac |
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120 params(7) = 1; // autommd |
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121 params(8) = 1; // autoamd |
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122 params(9) = 0.1; // piv_tol |
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123 params(10) = 0.5; // bandden |
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124 params(11) = 1; // umfpack |
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125 } |
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126 |
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127 void |
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128 octave_sparse_params::do_tight (void) |
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129 { |
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130 params(0) = 0; // spumoni |
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131 params(1) = 1; // ths_rel |
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132 params(2) = 0; // ths_abs |
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133 params(3) = 1; // exact_d |
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134 params(4) = 1; // supernd |
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135 params(5) = 1; // rreduce |
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136 params(6) = 0.5; // wh_frac |
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137 params(7) = 1; // autommd |
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138 params(8) = 1; // autoamd |
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139 params(9) = 0.1; // piv_tol |
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140 params(10) = 0.5; // bandden |
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141 params(11) = 1; // umfpack |
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142 } |
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143 |
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144 void |
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145 octave_sparse_params::init_keys (void) |
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146 { |
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147 keys(0) = "spumoni"; |
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148 keys(1) = "ths_rel"; |
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149 keys(2) = "ths_abs"; |
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150 keys(3) = "exact_d"; |
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151 keys(4) = "supernd"; |
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152 keys(5) = "rreduce"; |
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153 keys(6) = "wh_frac"; |
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154 keys(7) = "autommd"; |
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155 keys(8) = "autoamd"; |
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156 keys(9) = "piv_tol"; |
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157 keys(10) = "bandden"; |
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158 keys(11) = "umfpack"; |
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159 } |
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160 |
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161 double |
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162 octave_sparse_params::do_get_bandden (void) |
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163 { |
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164 return params(10); |
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165 } |
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166 |
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167 bool |
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168 octave_sparse_params::do_set_vals (const NDArray& vals) |
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169 { |
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170 octave_idx_type len = vals.length (); |
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171 |
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172 if (len > OCTAVE_SPARSE_CONTROLS_SIZE) |
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173 { |
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174 (*current_liboctave_error_handler) |
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175 ("octave_sparse_params::do_set_vals: too many values"); |
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176 |
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177 return false; |
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178 } |
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179 else |
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180 { |
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181 for (int i = 0; i < len; i++) |
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182 params(i) = vals(i); |
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183 |
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184 return true; |
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185 } |
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186 } |
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187 |
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188 bool |
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189 octave_sparse_params::do_set_key (const std::string& key, const double& val) |
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190 { |
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191 for (int i = 0; i < OCTAVE_SPARSE_CONTROLS_SIZE; i++) |
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192 { |
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193 if (keys (i) == key) |
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194 { |
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195 params(i) = val; |
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196 return true; |
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197 } |
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198 } |
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199 |
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200 return false; |
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201 } |
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202 |
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203 double |
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204 octave_sparse_params::do_get_key (const std::string& key) |
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205 { |
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206 for (int i = 0; i < OCTAVE_SPARSE_CONTROLS_SIZE; i++) |
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207 { |
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208 if (keys (i) == key) |
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209 return params(i); |
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210 } |
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211 |
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212 return octave_NaN; |
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213 } |
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214 |
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215 void |
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216 octave_sparse_params::do_print_info (std::ostream& os, |
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217 const std::string& prefix) const |
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218 { |
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219 for (int i = 0; i < OCTAVE_SPARSE_CONTROLS_SIZE; i++) |
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220 os << prefix << keys(i) << ": " << params(i) << "\n"; |
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221 } |
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222 |
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223 /* |
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224 ;;; Local Variables: *** |
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225 ;;; mode: C++ *** |
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226 ;;; End: *** |
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227 */ |
