21 lines
607 B
C++
21 lines
607 B
C++
#include <iostream>
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#include "fourier/healpix.hpp"
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using namespace CosmoTool;
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using namespace std;
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int main()
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{
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HealpixFourierTransform<double> dft(128,2*128,2*128, 40);
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long Npix = dft.realSpace().size();
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dft.realSpace().eigen().setRandom();
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dft.analysis();
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cout << "Map dot-product = " << dft.realSpace().dot_product(dft.realSpace()) << endl;
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cout << "Fourier dot-product = " << dft.fourierSpace().dot_product(dft.fourierSpace()).real()*Npix/(4*M_PI) << endl;
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dft.synthesis();
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cout << "Resynthesis dot-product = " << dft.realSpace().dot_product(dft.realSpace()) << endl;
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return 0;
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}
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