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| 3 | <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> |
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| 4 | <head> |
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| 5 | <title>caldat.pro (SAXO Documentation Assistant)</title> |
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| 46 | <tr> |
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| 47 | <td width="10%"> |
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| 48 | <a href=""><img src="./../prev.gif" border="0" alt="Previous"></a></td> |
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| 49 | <td width="80%" align="center" valign="center"> |
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| 50 | <font size=-1><i>SAXO Documentation Assistant</i>: <a href="./../home.html">Overview</a></font></td> |
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| 51 | <td width="10%" align="right"> |
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| 52 | <a href="date2jul.html"><img src="./../next.gif" border="0" alt="Next"></a></td> |
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| 53 | </tr> |
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| 54 | </table> |
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| 55 | |
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| 56 | |
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| 57 | <h1><font size="-2">Calendar/</font></h1> |
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| 58 | <h2>caldat.pro</h2> |
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| 59 | |
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| 60 | <dl> |
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| 61 | </dl> |
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| 62 | |
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| 63 | |
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| 64 | Return the calendar date and time given julian date. |
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[321] | 65 | This is the inverse of the function <a href="..//Calendar/julday.html">julday</a>. |
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[234] | 66 | 3 calendars are available according to the value of key_caltype |
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[163] | 67 | (variable of the common file cm_4cal): 'greg', '360d', 'noleap' |
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| 68 | |
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| 69 | |
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| 70 | |
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| 71 | |
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| 72 | |
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| 73 | <a name="#_caldat"></a> |
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| 74 | |
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[290] | 75 | <h2>caldat <font size="-1" color="#006633"> |
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| 76 | Calendar |
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[163] | 77 | </font></h2> |
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| 78 | |
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[234] | 79 | <p><font face="Courier">caldat<i>, <a href="#_caldat_keyword_julian">julian</a>, <a href="#_caldat_keyword_month">month</a>, <a href="#_caldat_keyword_day">day</a>, <a href="#_caldat_keyword_year">year</a>, <a href="#_caldat_keyword_hour">hour</a>, <a href="#_caldat_keyword_minute">minute</a>, <a href="#_caldat_keyword_second">second</a></i>, <a href="#_caldat_keyword_NDAYSPM">NDAYSPM</a>=<i>integer</i></font></p> |
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[163] | 80 | |
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| 81 | |
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| 82 | |
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| 83 | |
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| 84 | |
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| 85 | |
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| 86 | |
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| 87 | <h3>Parameters</h3> |
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| 88 | |
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| 89 | |
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| 90 | <a name="#_caldat_keyword_julian"></a> |
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| 91 | <h4>julian |
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| 92 | <font size="-1" color="#006633">in</font> |
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| 93 | |
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| 94 | |
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| 95 | <font size="-1" color="#006633">required</font> |
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| 96 | |
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[321] | 97 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>long integer or double-precision floating-point</i></font> |
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[163] | 98 | |
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| 99 | |
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| 100 | </h4> |
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| 101 | |
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[234] | 102 | |
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[163] | 103 | contains the Julian Day Number (which begins at noon) of the |
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[234] | 104 | specified calendar date. |
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[163] | 105 | |
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| 106 | |
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| 107 | |
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| 108 | <a name="#_caldat_keyword_month"></a> |
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| 109 | <h4>month |
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| 110 | |
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| 111 | <font size="-1" color="#006633">out</font> |
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| 112 | |
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| 113 | |
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| 114 | |
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[321] | 115 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>longword integer</i></font> |
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[163] | 116 | |
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| 117 | |
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| 118 | </h4> |
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| 119 | |
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[234] | 120 | |
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[163] | 121 | Number of the desired month (1 = January, ..., 12 = December). |
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| 122 | |
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| 123 | |
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| 124 | |
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| 125 | <a name="#_caldat_keyword_day"></a> |
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| 126 | <h4>day |
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| 127 | |
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| 128 | <font size="-1" color="#006633">out</font> |
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| 129 | |
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| 130 | |
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| 131 | |
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[321] | 132 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>longword integer</i></font> |
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[163] | 133 | |
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| 134 | |
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| 135 | </h4> |
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| 136 | |
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[234] | 137 | |
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[163] | 138 | Number of day of the month. |
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| 139 | |
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| 140 | |
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| 141 | |
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| 142 | <a name="#_caldat_keyword_year"></a> |
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| 143 | <h4>year |
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| 144 | |
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| 145 | <font size="-1" color="#006633">out</font> |
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| 146 | |
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| 147 | |
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| 148 | |
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[321] | 149 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>longword integer</i></font> |
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[163] | 150 | |
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| 151 | |
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| 152 | </h4> |
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| 153 | |
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[234] | 154 | |
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[163] | 155 | Number of the desired year. |
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| 156 | |
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| 157 | |
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| 158 | |
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| 159 | <a name="#_caldat_keyword_hour"></a> |
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| 160 | <h4>hour |
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| 161 | |
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| 162 | <font size="-1" color="#006633">out</font> |
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| 163 | |
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| 164 | |
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| 165 | |
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[321] | 166 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>longword integer</i></font> |
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[163] | 167 | |
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| 168 | |
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| 169 | </h4> |
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| 170 | |
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[234] | 171 | |
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[163] | 172 | Hour of the day |
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| 173 | |
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| 174 | |
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| 175 | |
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| 176 | <a name="#_caldat_keyword_minute"></a> |
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| 177 | <h4>minute |
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| 178 | |
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| 179 | <font size="-1" color="#006633">out</font> |
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| 180 | |
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| 181 | |
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| 182 | |
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[321] | 183 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>longword integer</i></font> |
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[163] | 184 | |
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| 185 | |
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| 186 | </h4> |
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| 187 | |
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[234] | 188 | |
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[163] | 189 | Minute of the day |
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| 190 | |
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| 191 | |
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| 192 | |
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| 193 | <a name="#_caldat_keyword_second"></a> |
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| 194 | <h4>second |
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| 195 | |
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| 196 | <font size="-1" color="#006633">out</font> |
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| 197 | |
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| 198 | |
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| 199 | |
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[321] | 200 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>double-precision floating-point</i></font> |
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[163] | 201 | |
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| 202 | |
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| 203 | </h4> |
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| 204 | |
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[234] | 205 | |
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[163] | 206 | Second (and fractions) of the day. |
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| 207 | |
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| 208 | |
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| 209 | |
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| 210 | |
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| 211 | |
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| 212 | <h3>Keywords</h3> |
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| 213 | |
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| 214 | |
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| 215 | <a name="#_caldat_keyword_NDAYSPM"></a> |
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| 216 | <h4>NDAYSPM |
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| 217 | |
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| 218 | |
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| 219 | |
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| 220 | |
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| 221 | |
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[234] | 222 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>integer</i></font> |
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[163] | 223 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>30</i></font> |
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| 224 | |
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| 225 | </h4> |
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| 226 | |
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[234] | 227 | |
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| 228 | To use a calendar with fixed number of days per month. |
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[163] | 229 | see also the use of key_caltype (variable of the common file cm_4cal) |
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| 230 | |
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| 231 | |
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| 232 | |
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| 233 | |
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| 234 | |
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[234] | 235 | </pre><h3>Version history</h3> |
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[163] | 236 | |
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[234] | 237 | <h4>Version</h4> |
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[402] | 238 | $Id: caldat.pro 371 2008-08-07 09:32:02Z pinsard $ |
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[242] | 239 | |
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[234] | 240 | <h4>History</h4> |
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[321] | 241 | Translated from "Numerical Recipes in C", by William H. Press, |
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[163] | 242 | Brian P. Flannery, Saul A. Teukolsky, and William T. Vetterling. |
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| 243 | Cambridge University Press, 1988 (second printing). |
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| 244 | |
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| 245 | DMS, July 1992. |
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| 246 | DMS, April 1996, Added HOUR, MINUTE and SECOND keyword |
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| 247 | AB, 7 December 1997, Generalized to handle array input. |
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| 248 | |
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| 249 | Eric Guilyardi, June 1999 |
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| 250 | Added key_work ndayspm for fixed number of days per months |
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| 251 | |
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| 252 | AB, 3 January 2000, Make seconds output as DOUBLE in array output. |
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| 253 | |
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[234] | 254 | Sebastien Masson, May 2006, add different calendar with key_caltype |
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[163] | 255 | (variable of the common file cm_4cal) |
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| 256 | |
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| 257 | |
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| 258 | |
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| 259 | <h3>Known issues</h3> |
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| 260 | |
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| 261 | |
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| 262 | |
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[234] | 263 | <h4>Restrictions</h4> |
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| 264 | Accuracy using IEEE double precision numbers is approximately 1/10000th of a |
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[163] | 265 | second. |
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| 266 | |
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| 267 | |
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| 268 | <h3>Other attributes</h3> |
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| 269 | |
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| 270 | |
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[242] | 271 | <h4>Uses routines</h4> |
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[402] | 272 | <a href="..//Commons/cm_4cal.html">cm_4cal</a> |
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[163] | 273 | |
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| 274 | |
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| 275 | |
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| 276 | |
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| 277 | |
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| 278 | <font size="-3"><p> </p></font> |
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| 279 | <hr size="1" color="#CCCCCC"/> |
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| 280 | |
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| 283 | |
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[187] | 284 | <p><font color="gray" size="-3"> Produced by IDLdoc 2.0.</font></p> |
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[163] | 285 | |
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| 286 | </body> |
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[249] | 287 | </html> |
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