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print.hpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
5  * Vincent Barichard <Vincent.Barichard@univ-angers.fr>
6  *
7  * Copyright:
8  * Christian Schulte, 2003
9  * Vincent Barichard, 2012
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11  * Last modified:
12  * $Date: 2012-04-06 13:04:47 +0200 (Fri, 06 Apr 2012) $ by $Author: schulte $
13  * $Revision: 12711 $
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39 
40 #include <sstream>
41 
42 namespace Gecode { namespace Float {
43  namespace Linear {
44  class NoView;
45  }
46 
47  template<class Char, class Traits, class View>
48  std::basic_ostream<Char,Traits>&
49  print_view(std::basic_ostream<Char,Traits>& os, const View& x) {
50  std::basic_ostringstream<Char,Traits> s;
51  s.copyfmt(os); s.width(0);
52  if (x.assigned()) {
53  s << x.med();
54  } else {
55  s << '[' << x.min() << ".." << x.max() << ']';
56  }
57  return os << s.str();
58  }
59 
60  template<class Char, class Traits>
61  inline std::basic_ostream<Char,Traits>&
62  operator <<(std::basic_ostream<Char,Traits>& os, const FloatView& x) {
63  return print_view(os,x);
64  }
65 
66  template<class Char, class Traits>
67  inline std::basic_ostream<Char,Traits>&
68  operator <<(std::basic_ostream<Char,Traits>& os, const MinusView& x) {
69  return print_view(os,x);
70  }
71 
72  template<class Char, class Traits>
73  inline std::basic_ostream<Char,Traits>&
74  operator <<(std::basic_ostream<Char,Traits>& os, const OffsetView& x) {
75  return print_view(os,x);
76  }
77 
78  template<class Char, class Traits>
79  inline std::basic_ostream<Char,Traits>&
80  operator <<(std::basic_ostream<Char,Traits>& os, const ScaleView& x) {
81  return print_view(os,x);
82  }
83 
84  template<class Char, class Traits>
85  inline std::basic_ostream<Char,Traits>&
86  operator <<(std::basic_ostream<Char,Traits>& os, const Linear::NoView&) {
87  return os << "NoView";
88  }
89 
90 }}
91 
92 // STATISTICS: float-var
93 
No view serves as filler for empty view arrays.
Definition: int-noview.hpp:46
OffsetView float view.
Definition: view.hpp:260
std::basic_ostream< Char, Traits > & print_view(std::basic_ostream< Char, Traits > &os, const View &x)
Definition: print.hpp:49
Float view for float variables.
Definition: view.hpp:56
Node * x
Pointer to corresponding Boolean expression node.
Definition: bool-expr.cpp:253
Minus float view.
Definition: view.hpp:158
Gecode toplevel namespace
Scale float view.
Definition: view.hpp:373