print.hpp

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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
 *  Main authors:
 *     Christian Schulte <schulte@gecode.org>
 *     Vincent Barichard <Vincent.Barichard@univ-angers.fr>
 *
 *  Copyright:
 *     Christian Schulte, 2003
 *     Vincent Barichard, 2012
 *
 *  This file is part of Gecode, the generic constraint
 *  development environment:
 *     http://www.gecode.org
 *
 *  Permission is hereby granted, free of charge, to any person obtaining
 *  a copy of this software and associated documentation files (the
 *  "Software"), to deal in the Software without restriction, including
 *  without limitation the rights to use, copy, modify, merge, publish,
 *  distribute, sublicense, and/or sell copies of the Software, and to
 *  permit persons to whom the Software is furnished to do so, subject to
 *  the following conditions:
 *
 *  The above copyright notice and this permission notice shall be
 *  included in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#include <sstream>

namespace Gecode { namespace Float {
  namespace Linear {
    class NoView;
  }

  template<class Char, class Traits, class View>
  std::basic_ostream<Char,Traits>&
  print_view(std::basic_ostream<Char,Traits>& os, const View& x) {
    std::basic_ostringstream<Char,Traits> s;
    s.copyfmt(os); s.width(0);
    if (x.assigned()) {
      s << "[[" << x.med() << "]]";
    } else {
      s << "[[" << x.min() << ".." << x.max() << "]]";
    }
    return os << s.str();
  }

  template<class Char, class Traits>
  inline std::basic_ostream<Char,Traits>&
  operator <<(std::basic_ostream<Char,Traits>& os, const FloatView& x) {
    return print_view(os,x);
  }

  template<class Char, class Traits>
  inline std::basic_ostream<Char,Traits>&
  operator <<(std::basic_ostream<Char,Traits>& os, const MinusView& x) {
    return print_view(os,x);
  }

  template<class Char, class Traits>
  inline std::basic_ostream<Char,Traits>&
  operator <<(std::basic_ostream<Char,Traits>& os, const OffsetView& x) {
    return print_view(os,x);
  }

  template<class Char, class Traits>
  inline std::basic_ostream<Char,Traits>&
  operator <<(std::basic_ostream<Char,Traits>& os, const ScaleView& x) {
    return print_view(os,x);
  }

  template<class Char, class Traits>
  inline std::basic_ostream<Char,Traits>&
  operator <<(std::basic_ostream<Char,Traits>& os, const Linear::NoView&) {
    return os << "NoView";
  }

}}

// STATISTICS: float-var