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1 /* |
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2 |
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3 Copyright (C) 1999 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_time_h) |
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24 #define octave_time_h 1 |
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25 |
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26 #include <cmath> |
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27 |
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28 #include <string> |
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29 |
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30 #include "systime.h" |
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31 |
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32 class octave_base_tm; |
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33 |
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34 class |
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35 octave_time |
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36 { |
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37 public: |
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38 |
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39 octave_time (void) |
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40 : ot_unix_time (0), ot_usec (0) { stamp (); } |
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41 |
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42 octave_time (double d) |
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43 : ot_unix_time (static_cast<time_t> (d)), |
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44 ot_usec (0) |
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45 { |
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46 double ip; |
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47 ot_usec = static_cast<int> (modf (d, &ip) * 1e6); |
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48 } |
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49 |
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50 octave_time (const octave_base_tm& tm); |
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51 |
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52 octave_time (const octave_time& ot) |
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53 : ot_unix_time (ot.ot_unix_time), ot_usec (ot.ot_usec) { } |
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54 |
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55 octave_time& operator = (const octave_time& ot) |
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56 { |
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57 if (this != &ot) |
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58 { |
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59 ot_unix_time = ot.ot_unix_time; |
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60 ot_usec = ot.ot_usec; |
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61 } |
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62 |
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63 return *this; |
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64 } |
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65 |
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66 ~octave_time (void) { } |
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67 |
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68 void stamp (void); |
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69 |
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70 double as_double (void) const { return ot_unix_time + ot_usec / 1e6; } |
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71 |
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72 time_t unix_time (void) const { return ot_unix_time; } |
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73 |
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74 int usec (void) const { return ot_usec; } |
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75 |
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76 private: |
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77 |
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78 // Seconds since the epoch. |
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79 time_t ot_unix_time; |
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80 |
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81 // Additional microseconds. |
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82 int ot_usec; |
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83 }; |
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84 |
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85 class |
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86 octave_base_tm |
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87 { |
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88 public: |
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89 |
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90 octave_base_tm (void) |
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91 : tm_usec (0), tm_sec (0), tm_min (0), tm_hour (0), |
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92 tm_mday (0), tm_mon (0), tm_year (0), tm_wday (0), |
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93 tm_yday (0), tm_isdst (0), tm_zone ("unknown") |
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94 { } |
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95 |
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96 octave_base_tm (const octave_base_tm& tm) |
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97 : tm_usec (tm.tm_usec), tm_sec (tm.tm_sec), tm_min (tm.tm_min), |
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98 tm_hour (tm.tm_hour), tm_mday (tm.tm_mday), tm_mon (tm.tm_mon), |
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99 tm_year (tm.tm_year), tm_wday (tm.tm_wday), tm_yday (tm.tm_yday), |
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100 tm_isdst (tm.tm_isdst), tm_zone (tm.tm_zone) |
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101 { } |
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102 |
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103 octave_base_tm& operator = (const octave_base_tm& tm) |
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104 { |
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105 if (this != &tm) |
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106 { |
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107 tm_usec = tm.tm_usec; |
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108 tm_sec = tm.tm_sec; |
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109 tm_min = tm.tm_min; |
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110 tm_hour = tm.tm_hour; |
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111 tm_mday = tm.tm_mday; |
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112 tm_mon = tm.tm_mon; |
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113 tm_year = tm.tm_year; |
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114 tm_wday = tm.tm_wday; |
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115 tm_yday = tm.tm_yday; |
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116 tm_isdst = tm.tm_isdst; |
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117 tm_zone = tm.tm_zone; |
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118 } |
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119 |
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120 return *this; |
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121 } |
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122 |
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123 virtual ~octave_base_tm (void) { } |
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124 |
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125 int usec (void) const { return tm_usec; } |
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126 int sec (void) const { return tm_sec; } |
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127 int min (void) const { return tm_min; } |
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128 int hour (void) const { return tm_hour; } |
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129 int mday (void) const { return tm_mday; } |
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130 int mon (void) const { return tm_mon; } |
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131 int year (void) const { return tm_year; } |
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132 int wday (void) const { return tm_wday; } |
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133 int yday (void) const { return tm_yday; } |
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134 int isdst (void) const { return tm_isdst; } |
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135 string zone (void) const { return tm_zone; } |
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136 |
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137 octave_base_tm& usec (int v); |
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138 octave_base_tm& sec (int v); |
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139 octave_base_tm& min (int v); |
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140 octave_base_tm& hour (int v); |
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141 octave_base_tm& mday (int v); |
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142 octave_base_tm& mon (int v); |
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143 octave_base_tm& year (int v); |
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144 octave_base_tm& wday (int v); |
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145 octave_base_tm& yday (int v); |
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146 octave_base_tm& isdst (int v); |
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147 octave_base_tm& zone (const string& s); |
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148 |
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149 string format_as_string (const string& fmt) const; |
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150 |
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151 protected: |
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152 |
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153 // Microseconds after the second (0, 999999). |
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154 int tm_usec; |
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155 |
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156 // Seconds after the minute (0, 61). |
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157 int tm_sec; |
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158 |
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159 // Minutes after the hour (0, 59). |
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160 int tm_min; |
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161 |
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162 // Hours since midnight (0, 23). |
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163 int tm_hour; |
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164 |
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165 // Day of the month (1, 31). |
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166 int tm_mday; |
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167 |
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168 // Months since January (0, 11). |
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169 int tm_mon; |
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170 |
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171 // Years since 1900. |
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172 int tm_year; |
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173 |
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174 // Days since Sunday (0, 6). |
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175 int tm_wday; |
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176 |
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177 // Days since January 1 (0, 365). |
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178 int tm_yday; |
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179 |
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180 // Daylight Savings Time flag. |
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181 int tm_isdst; |
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182 |
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183 // Time zone. |
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184 string tm_zone; |
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185 |
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186 void init (void *p); |
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187 }; |
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188 |
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189 class |
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190 octave_localtime : public octave_base_tm |
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191 { |
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192 public: |
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193 |
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194 octave_localtime (void) |
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195 : octave_base_tm () { init (octave_time ()); } |
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196 |
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197 octave_localtime (const octave_time& ot) |
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198 : octave_base_tm () { init (ot); } |
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199 |
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200 octave_localtime (const octave_localtime& t) |
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201 : octave_base_tm (t) { } |
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202 |
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203 octave_localtime& operator = (const octave_localtime& t) |
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204 { |
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205 octave_base_tm::operator = (t); |
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206 return *this; |
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207 } |
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208 |
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209 ~octave_localtime (void) { } |
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210 |
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211 private: |
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212 |
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213 void init (const octave_time& ot); |
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214 }; |
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215 |
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216 class |
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217 octave_gmtime : public octave_base_tm |
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218 { |
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219 public: |
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220 |
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221 octave_gmtime (void) |
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222 : octave_base_tm () { init (octave_time ()); } |
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223 |
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224 octave_gmtime (const octave_time& ot) |
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225 : octave_base_tm () { init (ot); } |
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226 |
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227 octave_gmtime& operator = (const octave_gmtime& t) |
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228 { |
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229 octave_base_tm::operator = (t); |
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230 return *this; |
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231 } |
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232 |
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233 ~octave_gmtime (void) { } |
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234 |
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235 private: |
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236 |
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237 void init (const octave_time& ot); |
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238 }; |
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239 |
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240 #endif |
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241 |
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242 /* |
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243 ;;; Local Variables: *** |
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244 ;;; mode: C++ *** |
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245 ;;; End: *** |
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246 */ |
