ADD: new track message, Entity class and Position class
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libs/geographiclib/examples/example-EllipticFunction.cpp
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43
libs/geographiclib/examples/example-EllipticFunction.cpp
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// Example of using the GeographicLib::EllipticFunction class
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#include <iostream>
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#include <iomanip>
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#include <exception>
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#include <cmath>
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#include <GeographicLib/Math.hpp>
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#include <GeographicLib/EllipticFunction.hpp>
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using namespace std;
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using namespace GeographicLib;
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int main() {
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try {
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EllipticFunction ell(0.1); // parameter m = 0.1
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// See Abramowitz and Stegun, table 17.1
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cout << ell.K() << " " << ell.E() << "\n";
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double phi = 20, sn, cn;
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Math::sincosd(phi, sn ,cn);
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// See Abramowitz and Stegun, table 17.6 with
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// alpha = asin(sqrt(m)) = 18.43 deg and phi = 20 deg
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cout << ell.E(phi * Math::degree()) << " "
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<< ell.E(sn, cn, ell.Delta(sn, cn))
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<< "\n";
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// See Carlson 1995, Sec 3.
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cout << fixed << setprecision(16)
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<< "RF(1,2,0) = " << EllipticFunction::RF(1,2) << "\n"
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<< "RF(2,3,4) = " << EllipticFunction::RF(2,3,4) << "\n"
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<< "RC(0,1/4) = " << EllipticFunction::RC(0,0.25) << "\n"
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<< "RC(9/4,2) = " << EllipticFunction::RC(2.25,2) << "\n"
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<< "RC(1/4,-2) = " << EllipticFunction::RC(0.25,-2) << "\n"
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<< "RJ(0,1,2,3) = " << EllipticFunction::RJ(0,1,2,3) << "\n"
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<< "RJ(2,3,4,5) = " << EllipticFunction::RJ(2,3,4,5) << "\n"
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<< "RD(0,2,1) = " << EllipticFunction::RD(0,2,1) << "\n"
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<< "RD(2,3,4) = " << EllipticFunction::RD(2,3,4) << "\n"
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<< "RG(0,16,16) = " << EllipticFunction::RG(16,16) << "\n"
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<< "RG(2,3,4) = " << EllipticFunction::RG(2,3,4) << "\n"
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<< "RG(0,0.0796,4) = " << EllipticFunction::RG(0.0796,4) << "\n";
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}
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catch (const exception& e) {
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cout << "Caught exception: " << e.what() << "\n";
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}
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}
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