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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, 1999, 2000, 2001, 2002, 2003, 2004 Andy Adler |
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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 "lo-error.h" |
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29 #include "lo-ieee.h" |
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30 |
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31 #include "oct-spparms.h" |
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32 |
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33 octave_sparse_params *octave_sparse_params::instance = 0; |
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34 |
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35 bool |
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36 octave_sparse_params::instance_ok (void) |
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37 { |
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38 bool retval = true; |
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39 |
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40 if (! instance) |
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41 instance = new octave_sparse_params (); |
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42 |
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43 if (! instance) |
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44 { |
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45 (*current_liboctave_error_handler) |
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46 ("unable to create octave_sparse_params object!"); |
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47 |
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48 retval = false; |
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49 } |
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50 |
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51 return retval; |
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52 } |
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53 |
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54 void |
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55 octave_sparse_params::defaults (void) |
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56 { |
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57 if (instance_ok ()) |
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58 instance->do_defaults (); |
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59 } |
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60 |
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61 void |
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62 octave_sparse_params::tight (void) |
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63 { |
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64 if (instance_ok ()) |
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65 instance->do_tight (); |
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66 } |
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67 |
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68 string_vector |
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69 octave_sparse_params::get_keys (void) |
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70 { |
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71 return instance_ok () ? instance->do_get_keys () : string_vector (); |
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72 } |
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73 |
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74 ColumnVector |
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75 octave_sparse_params::get_vals (void) |
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76 { |
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77 return instance_ok () ? instance->do_get_vals () : ColumnVector (); |
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78 } |
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79 |
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80 bool |
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81 octave_sparse_params::set_vals (const NDArray& vals) |
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82 { |
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83 return instance_ok () ? instance->do_set_vals (vals) : false; |
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84 } |
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85 |
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86 bool |
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87 octave_sparse_params::set_key (const std::string& key, const double& val) |
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88 { |
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89 return instance_ok () ? instance->do_set_key (key, val) : false; |
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90 } |
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91 |
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92 double |
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93 octave_sparse_params::get_key (const std::string& key) |
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94 { |
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95 return instance_ok () ? instance->do_get_key (key) : octave_NaN; |
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96 } |
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97 |
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98 double |
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99 octave_sparse_params::get_bandden (void) |
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100 { |
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101 return instance_ok () ? instance->do_get_bandden () : 0.0; |
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102 } |
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103 |
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104 void |
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105 octave_sparse_params::print_info (std::ostream& os, const std::string& prefix) |
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106 { |
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107 if (instance_ok ()) |
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108 instance->do_print_info (os, prefix); |
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109 } |
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110 |
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111 void |
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112 octave_sparse_params::do_defaults (void) |
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113 { |
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114 params(0) = 0; // spumoni |
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115 params(1) = 1; // ths_rel |
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116 params(2) = 1; // ths_abs |
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117 params(3) = 0; // exact_d |
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118 params(4) = 3; // supernd |
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119 params(5) = 3; // rreduce |
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120 params(6) = 0.5; // wh_frac |
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121 params(7) = 1; // autommd |
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122 params(8) = 1; // autoamd |
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123 params(9) = 0.1; // piv_tol |
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124 params(10) = 0.5; // bandden |
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125 params(11) = 1; // umfpack |
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126 } |
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127 |
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128 void |
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129 octave_sparse_params::do_tight (void) |
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130 { |
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131 params(0) = 0; // spumoni |
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132 params(1) = 1; // ths_rel |
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133 params(2) = 0; // ths_abs |
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134 params(3) = 1; // exact_d |
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135 params(4) = 1; // supernd |
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136 params(5) = 1; // rreduce |
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137 params(6) = 0.5; // wh_frac |
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138 params(7) = 1; // autommd |
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139 params(8) = 1; // autoamd |
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140 params(9) = 0.1; // piv_tol |
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141 params(10) = 0.5; // bandden |
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142 params(11) = 1; // umfpack |
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143 } |
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144 |
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145 void |
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146 octave_sparse_params::init_keys (void) |
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147 { |
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148 keys(0) = "spumoni"; |
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149 keys(1) = "ths_rel"; |
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150 keys(2) = "ths_abs"; |
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151 keys(3) = "exact_d"; |
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152 keys(4) = "supernd"; |
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153 keys(5) = "rreduce"; |
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154 keys(6) = "wh_frac"; |
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155 keys(7) = "autommd"; |
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156 keys(8) = "autoamd"; |
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157 keys(9) = "piv_tol"; |
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158 keys(10) = "bandden"; |
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159 keys(11) = "umfpack"; |
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160 } |
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161 |
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162 double |
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163 octave_sparse_params::do_get_bandden (void) |
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164 { |
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165 return params(10); |
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166 } |
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167 |
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168 bool |
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169 octave_sparse_params::do_set_vals (const NDArray& vals) |
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170 { |
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171 octave_idx_type len = vals.length (); |
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172 |
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173 if (len > OCTAVE_SPARSE_CONTROLS_SIZE) |
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174 { |
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175 (*current_liboctave_error_handler) |
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176 ("octave_sparse_params::do_set_vals: too many values"); |
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177 |
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178 return false; |
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179 } |
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180 else |
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181 { |
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182 for (int i = 0; i < len; i++) |
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183 params(i) = vals(i); |
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184 |
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185 return true; |
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186 } |
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187 } |
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188 |
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189 bool |
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190 octave_sparse_params::do_set_key (const std::string& key, const double& val) |
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191 { |
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192 for (int i = 0; i < OCTAVE_SPARSE_CONTROLS_SIZE; i++) |
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193 { |
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194 if (keys (i) == key) |
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195 { |
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196 params(i) = val; |
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197 return true; |
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198 } |
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199 } |
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200 |
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201 return false; |
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202 } |
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203 |
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204 double |
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205 octave_sparse_params::do_get_key (const std::string& key) |
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206 { |
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207 for (int i = 0; i < OCTAVE_SPARSE_CONTROLS_SIZE; i++) |
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208 { |
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209 if (keys (i) == key) |
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210 return params(i); |
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211 } |
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212 |
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213 return octave_NaN; |
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214 } |
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215 |
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216 void |
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217 octave_sparse_params::do_print_info (std::ostream& os, |
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218 const std::string& prefix) const |
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219 { |
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220 for (int i = 0; i < OCTAVE_SPARSE_CONTROLS_SIZE; i++) |
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221 os << prefix << keys(i) << ": " << params(i) << "\n"; |
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222 } |
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223 |
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224 /* |
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225 ;;; Local Variables: *** |
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226 ;;; mode: C++ *** |
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227 ;;; End: *** |
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228 */ |
