casa6

//# --------------------------------------------------------------------

//# LineFindingUtils.tcc: this defines utility functions of line finding

//# --------------------------------------------------------------------

//# Copyright (C) 2015

//# National Astronomical Observatory of Japan

//#

//# This library is free software; you can redistribute it and/or modify it

//# under the terms of the GNU Library General Public License as published by

//# the Free Software Foundation; either version 2 of the License, or (at your

//# option) any later version.

//#

//# This library is distributed in the hope that it will be useful, but WITHOUT

//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

//# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public

//# License for more details.

//#

//# You should have received a copy of the GNU Library General Public License

//# along with this library; if not, write to the Free Software Foundation,

//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.

//#

//# Correspondence concerning AIPS++ should be addressed as follows:

//#        Internet email: aips2-request@nrao.edu.

//#        Postal address: AIPS++ Project Office

//#                        National Radio Astronomy Observatory

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//# $Id$

#include <algorithm>

#include <casacore/casa/Utilities/Assert.h>

#include <cmath>

​

#include <libsakura/sakura.h>

#include <singledish/SingleDish/LineFindingUtils.h>

​

using namespace std;

​

using namespace casacore;

using namespace casacore;

using namespace casacore;

using namespace casacore;

using namespace casacore;

using namespace casacore;

using namespace casacore;

namespace casa { //# NAMESPACE CASA - BEGIN

​

template <typename DataType> 

size_t LineFinderUtils::binDataAndMask(size_t const num_in,

                       DataType const* in_data,

                       bool const* in_mask,

                       size_t const bin_size,

                       size_t const num_out,

                       DataType* out_data,

                       bool* out_mask,

                       size_t const offset,

                       bool const keepsize)

{

  if (offset+bin_size > num_in-1) return 0;

  // Can NOT offset (>0) when changing size (keepsize=false)

  AlwaysAssert((!keepsize || offset==0), AipsError);

  size_t num_bin = keepsize ? num_in : (num_in-offset)/bin_size;

  AlwaysAssert(num_bin <= num_out, AipsError);

  size_t num_loc_out = keepsize ? bin_size : 1;