58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
#include <fstream>
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#include <iostream>
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#include "../mount_astrom.h"
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int main(int argc, char* argv[])
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{
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int ecode = 0;
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if (argc < 2) {
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std::cerr << "Usage: " << argv[0] << " bulletinA-filename\n";
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exit(1);
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}
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std::ifstream ist(argv[1]);
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if (!ist) {
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std::cerr << "Invalid filename!\n";
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exit(1);
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}
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mcc::astrom::MccIersBulletinA bullA;
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bullA.dump(std::cout);
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std::cout << "\n\n";
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mcc::astrom::MccLeapSeconds lps;
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lps.dump(std::cout);
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std::cout << "\n\n";
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bool ok = bullA.load(ist);
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bullA.dump(std::cerr);
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ist.close();
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std::cout << "\n\n\n------------------\n";
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auto now = std::chrono::system_clock::now();
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std::cout << "LEAP SECS for now: " << lps[now].value_or(std::numeric_limits<double>::quiet_NaN()) << "\n";
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std::cout << "DUT1 for now: " << bullA.DUT1(now).value_or(std::numeric_limits<double>::quiet_NaN()) << " (" << now
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<< ")\n";
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double mjd = 61077.4;
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std::cout << "DUT1 for MJD = " << mjd << ": " << bullA.DUT1(mjd).value_or(std::numeric_limits<double>::quiet_NaN())
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<< "\n";
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auto st = mcc::astrom::mcc_julday(now, mjd);
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std::cout << "MJD for now: " << std::setprecision(19) << mjd << " (" << now << ")\n";
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return ecode;
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}
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