Source of fpbwproj.f - casa6

*=======================================================================

* -*- FORTRAN -*-

*     Copyright (C) 1999,2001,2002

*     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 addressed as follows:

*            Internet email: aips2-request@nrao.edu.

*            Postal address: AIPS++ Project Office

*                            National Radio Astronomy Observatory

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*     $Id: fpbwproj.f,v 1.13 2006/07/20 00:24:20 sbhatnag Exp $

*-----------------------------------------------------------------------

C Grid a number of visibility records

      subroutine gpbwproj (uvw, dphase, values, nvispol, nvischan,

     $     dopsf, flag, rflag, weight, nrow, rownum,

     $     scale, offset, grid, nx, ny, npol, nchan, freq, c,

     $     support, convsize, sampling, wconvsize, convfunc,

     $     chanmap, polmap,polused,sumwt,

     $     ant1, ant2, nant, scanno, sigma,raoff, decoff,area,

     $     dograd,dopointingcorrection,npa,paindex,cfmap,conjcfmap,

     $     currentCFPA,actualPA,cfRefFreq)

      implicit none

      integer nx, ny, npol, nchan, nvispol, nvischan, nrow,polused

      integer npa,paindex

      integer convsize, sampling, wconvsize,dograd,dopointingcorrection

      complex values(nvispol, nvischan, nrow)

      complex grid(nx, ny, npol, nchan)

      double precision uvw(3, nrow), freq(nvischan), c, scale(3),

     $     offset(3),currentCFPA,actualPA,cfRefFreq

      double precision dphase(nrow), uvdist

      complex phasor

      integer flag(nvispol, nvischan, nrow)

      integer rflag(nrow)

      real weight(nvischan, nrow), phase

      double precision sumwt(npol, nchan)

      integer rownum

      integer support(wconvsize,polused,npa), rsupport

      integer chanmap(nchan), polmap(npol),cfmap(npol),conjcfmap(npol)

      integer dopsf

      complex nvalue

casa6