projection.cc

// Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE)
//
// This file is part of Olena.
//
// Olena is free software: you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation, version 2 of the License.
//
// Olena 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Olena.  If not, see <http://www.gnu.org/licenses/>.
//
// As a special exception, you may use this file as part of a free
// software project without restriction.  Specifically, if other files
// instantiate templates or use macros or inline functions from this
// file, or you compile this file and link it with other files to produce
// an executable, this file does not by itself cause the resulting
// executable to be covered by the GNU General Public License.  This
// exception does not however invalidate any other reasons why the
// executable file might be covered by the GNU General Public License.

#include <mln/fun/v2v/projection.hh>

#include <mln/core/alias/point3d.hh>
#include <mln/core/alias/point2d.hh>
#include <mln/core/alias/point1d.hh>


int main()
{
  using namespace mln;

  {
    typedef point2d P;
    P p(0,1);
    {
      fun::v2v::projection<P,0> f;
      mln_assertion(f(p) == point1d(1));
    }
    {
      fun::v2v::projection<P,1> f;
      mln_assertion(f(p) == point1d(0));
    }
  }

  {
    typedef point3d P;
    P p(0,1,2);
    {
      fun::v2v::projection<P,0> f;
      mln_assertion(f(p) == point2d(1,2));
    }
    {
      fun::v2v::projection<P,1> f;
      mln_assertion(f(p) == point2d(0,2));
    }
    {
      fun::v2v::projection<P,2> f;
      mln_assertion(f(p) == point2d(0,1));
    }
  }

}