guilhem_lavaux/vide_public
0
0
Fork 0
mirror of https://bitbucket.org/cosmicvoids/vide_public.git synced 2025-07-04 23:31:12 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Imported latest snapshot of cosmotoolbox

Browse source
This commit is contained in:
Guilhem Lavaux 2013-02-19 11:18:20 -05:00
parent a53a757d5a
commit e41c26a46c
12 changed files with 1497 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

25
external/cosmotool/sample/test_healpix_calls.cpp vendored Normal file
View file

@ -0,0 +1,25 @@
#include <iostream>
#include "fourier/healpix.hpp"
using namespace CosmoTool;
using namespace std;
int main()
{
HealpixFourierTransform<double> dft(128,2*128,2*128, 40);
HealpixUtilityFunction<double> utils;
long Npix = dft.realSpace().size();
dft.realSpace().eigen().setRandom();
dft.analysis();
cout << "Map dot-product = " << dft.realSpace().dot_product(dft.realSpace()) << endl;
cout << "Fourier dot-product = " << dft.fourierSpace().dot_product(dft.fourierSpace()).real()*Npix/(4*M_PI) << endl;
cout << "Spectrum analysis" << endl;
HealpixUtilityFunction<double>::Spectrum_ptr s = utils.estimateSpectrumFromMap(dft.fourierSpace());
dft.synthesis();
cout << "Resynthesis dot-product = " << dft.realSpace().dot_product(dft.realSpace()) << endl;
return 0;
}