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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* $NoKeywords: $ */</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Copyright (c) 1993-2013 Robert McNeel & Associates. All rights reserved.</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// OpenNURBS, Rhinoceros, and Rhino3D are registered trademarks of Robert</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// McNeel & Associates.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE AND OF</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// MERCHANTABILITY ARE HEREBY DISCLAIMED.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// </span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// For complete openNURBS copyright information see <http://www.opennurbs.org>.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">//</span><span class="comment"></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span>*/</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#if !defined(OPENNURBS_DATE_INC_)</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#define OPENNURBS_DATE_INC_</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">/*</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">Description:</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> Get the day of the year from the year, month and day_of_month.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">Parameters:</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> year - [in]</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> >= 1582</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> month - [in]</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> >= 1 and <= 12</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> day_of_month - [in]</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> >= 1 and <= last valid day_of_month of the month</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">Returns:</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> 0: Invalid input</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> 1 to 366: Day of Gregorian year.</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">*/</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> ON_DECL</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ON_DayOfGregorianYear(</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> year,</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> month,</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> day_of_month</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  );</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">/*</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">Parameters:</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> year - [in]</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> >= 1582</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">Returns:</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> 0: Invalid input</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> 365: If the year is a common year in the Gregorian calendar</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> 366: If the year is a leap year in the Gregorian calendar</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">*/</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> ON_DECL</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ON_DaysInGregorianYear(</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> year</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  );</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">/*</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">Description:</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> Get the number of days in a Gregorian month.</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">Parameters:</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> year - [in]</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> >= 1582</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> month - [in]</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> >= 1 and <= 12</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">Returns:</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> 0: Invalid input</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> 28, 29, 30 or 31: number of days in the specified month.</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment">*/</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> ON_DECL</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ON_DaysInMonthOfGregorianYear(</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> year,</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> month</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  );</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">/*</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment">Description:</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> Get the month and day_of_month from the year and day of year.</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment">Parameters:</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> year - [in]</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> >= 1582</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> day_of_year</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> >= 1 and <= (ON_IsGregorianLeapYear(year) ? 366 : 365)</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> month - [out]</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> >= 1 and <= 12, when input parameters are valid, otherwise 0.</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> day_of_month - [out]</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> >= 1 and <= ON_DaysInMonthOfGregorianYear(year,month),</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> when input parameters are valid, otherwise 0.</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment">Returns:</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> true: month and day_of_month returned.</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> false: invalid input. Output values are zero.</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment">*/</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> ON_DECL</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keywordtype">bool</span> ON_GetGregorianMonthAndDayOfMonth(</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> year,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> day_of_year,</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>* month,</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>* day_of_month</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  );</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">/*</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment">Parameters:</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"> year - [in]</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment">Returns:</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"> true if the year is a leap year in the Gregorian calendar.</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">*/</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> ON_DECL</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="keywordtype">bool</span> ON_IsGregorianLeapYear(</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> year</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  );</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor">#endif</span></div></div><!-- fragment --></div><!-- contents -->
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