unix timestamp in cython
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@@ -254,36 +254,15 @@ public:
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// average year of Gregorian calender
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const double avgdaysofyear = 365 + 1./4 - 1./100 + 1./400;
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// std::tm epochStart = {};
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// epochStart.tm_sec = 0;
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// epochStart.tm_min = 0;
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// epochStart.tm_hour = 0;
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// epochStart.tm_mday = 1;
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// epochStart.tm_mon = 0;
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// epochStart.tm_year = 2040;
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// epochStart.tm_wday = 0;
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// epochStart.tm_yday = 0;
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// epochStart.tm_isdst = -1;
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// std::time_t epochtst = std::mktime(&epochStart);
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// convert string to long int = number of second since 0000/01/01 00:00
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long int ts = atol(unixts.c_str());
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assert( ts > 0 );
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// int year = (int)floor((double)ts/(avgdaysofyear*86400));
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// int month = (int)floor((ts-year*avgdaysofyear*86400)/(30*86400));
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// int day = (int)floor((ts-year*avgdaysofyear*86400-month*30*86400)/86400);
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// int daysec = ts-year*avgdaysofyear*86400-month*30*86400-day*86400;
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// int hour = (int)floor(daysec/3600.);
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// int mins = (int)floor((daysec-hour*3600)/60.);
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// int secs = (int)floor((daysec-hour*3600-mins*60));
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// return std::to_string(year)+"-"+std::to_string(month)+"-"+std::to_string(day)
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// +" "+std::to_string(hour)+":"+std::to_string(mins)+":"+std::to_string(secs);
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// use STL to convert timestamp
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// std::time_t tstime = std::time_t(ts)-epochtst;
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// use STL to convert timestamp (epoch usually starts from 01.01.1970)
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std::time_t tstime = ts - 1970*avgdaysofyear*86400;
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return std::ctime(&tstime);
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// get rid of linebreak character and return the result
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return std::strtok(std::ctime(&tstime),"\n");
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}
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std::string time_stamp(int groupid, bool startstop = true)
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