casa6

//# GlobalFTMachineCallbacks.h: Definition for GlobalFTMachineCallbacks

//# Copyright (C) 1996,1997,1998,1999,2000,2002

//# 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 adressed as follows:

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

//#        Postal address: AIPS++ Project Office

//#                        National Radio Astronomy Observatory

//#                        520 Edgemont Road

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//#

//# $Id$

​

#ifndef SYNTHESIS_GLOBALFTMACHINECALLBACKS_H

#define SYNTHESIS_GLOBALFTMACHINECALLBACKS_H

​

#include <synthesis/TransformMachines/IlluminationConvFunc.h>

​

#define NEED_UNDERSCORES

namespace casa {

  extern "C" 

  {

    //

    // The Gridding Convolution casacore::Function (GCF) used by the underlying

    // gridder written in FORTRAN.

    //

    // The arguments must all be pointers and the value of the GCF at

    // the given (u,v) point is returned in the weight variable.  Making

    // this a function which returns a complex value (namely the weight)

    // has problems when called in FORTRAN - I (SB) don't understand

    // why.

    //

#if defined(NEED_UNDERSCORES)

#define gcppeij gcppeij_

#define globalGCFPtr globalgcfptr_

#endif

    typedef void (*GCFPtr)(casacore::Double *griduvw, casacore::Double *area,

               casacore::Double *raoff1, casacore::Double *decoff1,

               casacore::Double *raoff2, casacore::Double *decoff2, 

               casacore::Int *doGrad,

               casacore::Complex *weight,

               casacore::Complex *dweight1,

               casacore::Complex *dweight2,

               casacore::Double *currentCFPA);

    extern void gcppeij(casacore::Double *griduvw, casacore::Double *area,

           casacore::Double *raoff1, casacore::Double *decoff1,

           casacore::Double *raoff2, casacore::Double *decoff2,