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print.hpp

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Christian Schulte <schulte@gecode.org>
00005  *     Vincent Barichard <Vincent.Barichard@univ-angers.fr>
00006  *
00007  *  Copyright:
00008  *     Christian Schulte, 2003
00009  *     Vincent Barichard, 2012
00010  *
00011  *  Last modified:
00012  *     $Date: 2012-04-06 13:04:47 +0200 (Fri, 06 Apr 2012) $ by $Author: schulte $
00013  *     $Revision: 12711 $
00014  *
00015  *  This file is part of Gecode, the generic constraint
00016  *  development environment:
00017  *     http://www.gecode.org
00018  *
00019  *  Permission is hereby granted, free of charge, to any person obtaining
00020  *  a copy of this software and associated documentation files (the
00021  *  "Software"), to deal in the Software without restriction, including
00022  *  without limitation the rights to use, copy, modify, merge, publish,
00023  *  distribute, sublicense, and/or sell copies of the Software, and to
00024  *  permit persons to whom the Software is furnished to do so, subject to
00025  *  the following conditions:
00026  *
00027  *  The above copyright notice and this permission notice shall be
00028  *  included in all copies or substantial portions of the Software.
00029  *
00030  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00031  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00032  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00033  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00034  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00035  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00036  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00037  *
00038  */
00039 
00040 #include <sstream>
00041 
00042 namespace Gecode { namespace Float {
00043   namespace Linear {
00044     class NoView;
00045   }
00046 
00047   template<class Char, class Traits, class View>
00048   std::basic_ostream<Char,Traits>&
00049   print_view(std::basic_ostream<Char,Traits>& os, const View& x) {
00050     std::basic_ostringstream<Char,Traits> s;
00051     s.copyfmt(os); s.width(0);
00052     if (x.assigned()) {
00053       s << x.med();
00054     } else {
00055       s << '[' << x.min() << ".." << x.max() << ']';
00056     }
00057     return os << s.str();
00058   }
00059 
00060   template<class Char, class Traits>
00061   inline std::basic_ostream<Char,Traits>&
00062   operator <<(std::basic_ostream<Char,Traits>& os, const FloatView& x) {
00063     return print_view(os,x);
00064   }
00065 
00066   template<class Char, class Traits>
00067   inline std::basic_ostream<Char,Traits>&
00068   operator <<(std::basic_ostream<Char,Traits>& os, const MinusView& x) {
00069     return print_view(os,x);
00070   }
00071 
00072   template<class Char, class Traits>
00073   inline std::basic_ostream<Char,Traits>&
00074   operator <<(std::basic_ostream<Char,Traits>& os, const OffsetView& x) {
00075     return print_view(os,x);
00076   }
00077 
00078   template<class Char, class Traits>
00079   inline std::basic_ostream<Char,Traits>&
00080   operator <<(std::basic_ostream<Char,Traits>& os, const ScaleView& x) {
00081     return print_view(os,x);
00082   }
00083 
00084   template<class Char, class Traits>
00085   inline std::basic_ostream<Char,Traits>&
00086   operator <<(std::basic_ostream<Char,Traits>& os, const Linear::NoView&) {
00087     return os << "NoView";
00088   }
00089 
00090 }}
00091 
00092 // STATISTICS: float-var
00093