casa6

// -*- C++ -*-

//# MultiThreadedVisResampler.h: Definition of the MultiThreadedVisibilityResampler class

//# Copyright (C) 1997,1998,1999,2000,2001,2002,2003

//# Associated Universities, Inc. Washington DC, USA.

//#

//# 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:

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//# $Id$

​

#ifndef SYNTHESIS_MULTITHREADEDVISIBILITYRESAMPLER_H

#define SYNTHESIS_MULTITHREADEDVISIBILITYRESAMPLER_H

​

#include <synthesis/TransformMachines/VisibilityResamplerBase.h>

#include <synthesis/MeasurementComponents/ResamplerWorklet.h>

#include <synthesis/TransformMachines/CFStore.h>

#include <synthesis/TransformMachines/VBStore.h>

#include <synthesis/MeasurementComponents/MThWorkIDEnum.h>

#include <msvis/MSVis/UtilJ.h>

#include <msvis/MSVis/VisBuffer.h>

#include <casa/Arrays/Array.h>

#include <casa/Arrays/Vector.h>

​

#include <casa/Logging/LogIO.h>

#include <casa/Logging/LogSink.h>

#include <casa/Logging/LogMessage.h>

#define DEFAULTNOOFCORES -1

#define FTMachineNumThreadsEnvVar "ftmachine_num_threads"

namespace casa { //# NAMESPACE CASA - BEGIN

  class MultiThreadedVisibilityResampler: public VisibilityResamplerBase

  {

  public: 

    //    enum VBLoader {NOONE=-1, DATATOGRID=0, GRIDTODATA, RESIDUALCALC};

     MultiThreadedVisibilityResampler():

      resamplers_p(), doubleGriddedData_p(), singleGriddedData_p(), 

      sumwt_p(), gridderWorklets_p(), vbsVec_p(), visResamplerCtor_p(), 

      whoLoadedVB_p(MThWorkID::NOONE), currentVBS_p(0)

    {

      nelements_p = SynthesisUtils::getenv(FTMachineNumThreadsEnvVar, 1);

      if (nelements_p < 0) nelements_p = 1;

      //      nelements_p=DEFAULTNOOFCORES;

    };

​

    MultiThreadedVisibilityResampler(const casacore::Bool& doublePrecision, 

                     const casacore::Int& n=DEFAULTNOOFCORES);