//
// disttest.cc
//
// Copyright (C) 1996 Limit Point Systems, Inc.
//
// Author: Curtis Janssen <cljanss@limitpt.com>
// Maintainer: LPS
//
// This file is part of the SC Toolkit.
//
// The SC Toolkit 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, or (at your option)
// any later version.
//
// The SC Toolkit 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 the SC Toolkit; see the file COPYING.LIB.  If not, write to
// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
//
// The U.S. Government is granted a limited license as per AL 91-7.
//

#include <iostream>
#include <math.h>

#include <util/misc/bug.h>
#include <util/misc/formio.h>
#include <util/group/messshm.h>
#include <math/scmat/dist.h>

#include <util/group/linkage.h>

using namespace std;
using namespace sc;

void matrixtest(Ref<SCMatrixKit> kit, Ref<KeyVal> keyval,
                RefSCDimension d1,RefSCDimension d2,RefSCDimension d3,
                bool have_svd);

main(int argc, char** argv)
{
  Ref<KeyVal> keyval = new ParsedKeyVal(SRCDIR "/matrixtest.in");

  Ref<MessageGrp> msg = MessageGrp::initial_messagegrp(argc, argv);

  if (msg.null()) {
      msg << keyval->describedclassvalue("messagegrp");

      if (msg.null()) {
          cerr << indent << "Couldn't initialize MessageGrp\n";
          abort();
        }
    }

  MessageGrp::set_default_messagegrp(msg);

  Ref<Debugger> d; d << keyval->describedclassvalue("debugger");
  if (d.nonnull()) {
      d->set_prefix(msg->me());
      d->set_exec(argv[0]);
    }

  // test the blocklist send and receive
  if (msg->n() > 1) {
      Ref<SCMatrixBlockList> l = new SCMatrixBlockList;
      l->append(new SCMatrixRectBlock(0,5,0,2));
      l->append(new SCMatrixRectBlock(0,3,0,11));
      l->append(new SCMatrixLTriBlock(7,13));
      if (msg->me() == 0) {
          StateSend out(msg);
          out.target(1);
          out.copy_references();
          SavableState::save_state(l.pointer(), out);
          out.flush();
        }
      else if (msg->me() == 1) {
          StateRecv in(msg);
          in.source(0);
          l << SavableState::restore_state(in);
        }
    }

  Ref<SCMatrixKit> kit = new DistSCMatrixKit;
  RefSCDimension d1; d1 << keyval->describedclassvalue("d1");
  RefSCDimension d2; d2 << keyval->describedclassvalue("d2");
  RefSCDimension d3; d3 << keyval->describedclassvalue("d3");

  int nblocks = (int)sqrt(double(msg->n()));

  // replace dimensions with dimensions that have subblocks
  d1 = new SCDimension(d1.n(), nblocks);
  d2 = new SCDimension(d2.n(), nblocks);
  d3 = new SCDimension(d3.n(), nblocks);

  matrixtest(kit,keyval,d1,d2,d3,false);

  return 0;
}

/////////////////////////////////////////////////////////////////////////////

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// mode: c++
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// End: