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73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/*
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* This file is part of Healpix_cxx.
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*
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* Healpix_cxx is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Healpix_cxx is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Healpix_cxx; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* For more information about HEALPix, see http://healpix.jpl.nasa.gov
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*/
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/*
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* Healpix_cxx is being developed at the Max-Planck-Institut fuer Astrophysik
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* and financially supported by the Deutsches Zentrum fuer Luft- und Raumfahrt
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* (DLR).
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*/
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/*
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* Copyright (C) 2004-2010 Max-Planck-Society
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* Author: Martin Reinecke
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*/
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#include "fitshandle.h"
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#include "alm.h"
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#include "alm_fitsio.h"
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#include "powspec.h"
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#include "powspec_fitsio.h"
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#include "alm_powspec_tools.h"
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#include "levels_facilities.h"
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using namespace std;
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int calc_powspec_module (int argc, const char **argv)
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{
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announce ("calc_powspec");
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planck_assert (argc==3||argc==4,
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"usage: calc_powspec <almfile1> [<almfile2>] <powspec_file>");
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if (argc==3)
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{
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int lmax,mmax;
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get_almsize(argv[1],lmax,mmax,2);
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Alm<xcomplex<float> > alm;
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read_Alm_from_fits (argv[1],alm,lmax,mmax,2);
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PowSpec powspec;
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extract_powspec (alm,powspec);
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write_powspec_to_fits (argv[2],powspec,1);
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}
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else
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{
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int lmax,mmax;
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get_almsize(argv[1],lmax,mmax,2);
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Alm<xcomplex<float> > alm1;
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read_Alm_from_fits (argv[1],alm1,lmax,mmax,2);
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get_almsize(argv[2],lmax,mmax,2);
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Alm<xcomplex<float> > alm2;
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read_Alm_from_fits (argv[2],alm2,lmax,mmax,2);
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PowSpec powspec;
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extract_crosspowspec (alm1,alm2,powspec);
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write_powspec_to_fits (argv[3],powspec,1);
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}
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return 0;
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}
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