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1 // Bounds.cc -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 1993 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 2, or (at your option) any |
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11 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, write to the Free |
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20 Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 |
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22 */ |
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23 |
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24 #ifdef __GNUG__ |
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25 #pragma implementation |
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26 #endif |
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27 |
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28 #include <iostream.h> |
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29 #include "Bounds.h" |
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30 |
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31 // error handling |
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32 |
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33 void |
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34 Bounds::error (const char* msg) |
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35 { |
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36 cerr << "Fatal bounds error. " << msg << "\n"; |
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37 exit(1); |
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38 } |
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39 |
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40 Bounds::Bounds (void) |
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41 { |
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42 nb = 0; |
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43 } |
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44 |
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45 Bounds::Bounds (int n) |
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46 { |
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47 nb = n; |
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48 lb.resize (nb); |
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49 ub.resize (nb); |
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50 lb.fill (0.0); |
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51 ub.fill (0.0); |
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52 } |
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53 |
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54 Bounds::Bounds (const ColumnVector l, const ColumnVector u) |
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55 { |
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56 if (l.capacity () != u.capacity ()) |
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57 error ("inconsistent sizes for lower and upper bounds"); |
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58 |
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59 nb = l.capacity (); |
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60 lb = l; |
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61 ub = u; |
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62 } |
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63 |
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64 Bounds::Bounds (const Bounds& a) |
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65 { |
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66 nb = a.size (); |
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67 lb = a.lower_bounds (); |
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68 ub = a.upper_bounds (); |
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69 } |
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70 |
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71 Bounds& |
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72 Bounds::operator = (const Bounds& a) |
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73 { |
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74 nb = a.size (); |
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75 lb = a.lower_bounds (); |
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76 ub = a.upper_bounds (); |
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77 |
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78 return *this; |
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79 } |
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80 |
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81 Bounds& |
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82 Bounds::resize (int n) |
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83 { |
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84 nb = n; |
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85 lb.resize (nb); |
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86 ub.resize (nb); |
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87 |
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88 return *this; |
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89 } |
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90 |
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91 double |
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92 Bounds::lower_bound (int index) const |
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93 { |
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94 return lb.elem (index); |
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95 } |
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96 |
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97 double |
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98 Bounds::upper_bound (int index) const |
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99 { |
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100 return ub.elem (index); |
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101 } |
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102 |
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103 ColumnVector |
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104 Bounds::lower_bounds (void) const |
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105 { |
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106 return lb; |
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107 } |
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108 |
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109 ColumnVector |
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110 Bounds::upper_bounds (void) const |
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111 { |
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112 return ub; |
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113 } |
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114 |
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115 int |
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116 Bounds::size (void) const |
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117 { |
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118 return nb; |
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119 } |
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120 |
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121 Bounds& |
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122 Bounds::set_bound (int index, double low, double high) |
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123 { |
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124 lb.elem (index) = low; |
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125 ub.elem (index) = high; |
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126 |
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127 return *this; |
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128 } |
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129 |
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130 Bounds& |
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131 Bounds::set_bounds (double low, double high) |
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132 { |
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133 lb.fill (low); |
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134 ub.fill (high); |
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135 |
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136 return *this; |
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137 } |
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138 |
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139 Bounds& |
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140 Bounds::set_bounds (const ColumnVector l, const ColumnVector u) |
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141 { |
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142 if (l.capacity () != u.capacity ()) |
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143 error ("inconsistent sizes for lower and upper bounds"); |
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144 |
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145 nb = l.capacity (); |
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146 lb = l; |
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147 ub = u; |
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148 |
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149 return *this; |
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150 } |
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151 |
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152 Bounds& |
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153 Bounds::set_lower_bound (int index, double low) |
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154 { |
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155 lb.elem (index) = low; |
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156 |
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157 return *this; |
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158 } |
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159 |
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160 Bounds& |
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161 Bounds::set_upper_bound (int index, double high) |
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162 { |
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163 ub.elem (index) = high; |
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164 |
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165 return *this; |
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166 } |
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167 |
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168 Bounds& |
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169 Bounds::set_lower_bounds (double low) |
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170 { |
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171 lb.fill (low); |
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172 |
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173 return *this; |
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174 } |
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175 |
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176 Bounds& |
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177 Bounds::set_upper_bounds (double high) |
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178 { |
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179 ub.fill (high); |
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180 |
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181 return *this; |
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182 } |
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183 |
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184 Bounds& |
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185 Bounds::set_lower_bounds (const ColumnVector l) |
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186 { |
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187 if (nb != l.capacity ()) |
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188 error ("inconsistent size for lower bounds"); |
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189 |
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190 lb = l; |
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191 |
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192 return *this; |
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193 } |
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194 |
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195 Bounds& |
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196 Bounds::set_upper_bounds (const ColumnVector u) |
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197 { |
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198 if (nb != u.capacity ()) |
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199 error ("inconsistent size for upper bounds"); |
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200 |
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201 ub = u; |
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202 |
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203 return *this; |
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204 } |
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205 |
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206 ostream& |
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207 operator << (ostream& os, const Bounds& b) |
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208 { |
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209 for (int i = 0; i < b.size (); i++) |
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210 os << b.lower_bound (i) << " " << b.upper_bound (i) << "\n"; |
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211 |
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212 return os; |
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213 } |
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214 |
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215 /* |
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216 ;;; Local Variables: *** |
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217 ;;; mode: C++ *** |
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218 ;;; page-delimiter: "^/\\*" *** |
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219 ;;; End: *** |
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220 */ |
