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print.hpp
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33 
34 #include <sstream>
35 
36 namespace Gecode { namespace Int {
37 
38  template<class Char, class Traits, class View>
39  std::basic_ostream<Char,Traits>&
40  print_view(std::basic_ostream<Char,Traits>& os, const View& x) {
41  std::basic_ostringstream<Char,Traits> s;
42  s.copyfmt(os); s.width(0);
43  if (x.assigned()) {
44  s << x.val();
45  } else if (x.range()) {
46  s << '[' << x.min() << ".." << x.max() << ']';
47  } else {
48  s << '{';
50  while (true) {
51  if (r.min() == r.max()) {
52  s << r.min();
53  } else {
54  s << r.min() << ".." << r.max();
55  }
56  ++r;
57  if (!r()) break;
58  s << ',';
59  }
60  s << '}';
61  }
62  return os << s.str();
63  }
64 
65  template<class Char, class Traits, class Val, class UnsVal>
66  std::basic_ostream<Char,Traits>&
67  print_scale(std::basic_ostream<Char,Traits>& os,
68  const ScaleView<Val,UnsVal>& x) {
69  std::basic_ostringstream<Char,Traits> s;
70  s.copyfmt(os); s.width(0);
71  if (x.assigned()) {
72  s << x.val();
73  } else {
74  s << '{';
76  while (true) {
77  if (r.min() == r.max()) {
78  s << r.min();
79  } else {
80  s << r.min() << ".." << r.max();
81  }
82  ++r;
83  if (!r()) break;
84  s << ',';
85  }
86  s << '}';
87  }
88  return os << s.str();
89  }
90 
91  template<class Char, class Traits>
92  inline std::basic_ostream<Char,Traits>&
93  operator <<(std::basic_ostream<Char,Traits>& os, const IntView& x) {
94  return print_view(os,x);
95  }
96  template<class Char, class Traits>
97  inline std::basic_ostream<Char,Traits>&
98  operator <<(std::basic_ostream<Char,Traits>& os, const MinusView& x) {
99  return print_view(os,x);
100  }
101  template<class Char, class Traits>
102  inline std::basic_ostream<Char,Traits>&
103  operator <<(std::basic_ostream<Char,Traits>& os, const OffsetView& x) {
104  return print_view(os,x);
105  }
106  template<class Char, class Traits, class View>
107  inline std::basic_ostream<Char,Traits>&
108  operator <<(std::basic_ostream<Char,Traits>& os,
109  const CachedView<View>& x) {
110  return print_view(os,x);
111  }
112 
113  template<class Char, class Traits>
114  inline std::basic_ostream<Char,Traits>&
115  operator <<(std::basic_ostream<Char,Traits>& os, const IntScaleView& x) {
116  return print_scale<Char,Traits,int,unsigned int>(os,x);
117  }
118  template<class Char, class Traits>
119  inline std::basic_ostream<Char,Traits>&
120  operator <<(std::basic_ostream<Char,Traits>& os, const LLongScaleView& x) {
121  return print_scale<Char,Traits,long long int,unsigned long long int>(os,x);
122  }
123 
124  template<class Char, class Traits>
125  inline std::basic_ostream<Char,Traits>&
126  operator <<(std::basic_ostream<Char,Traits>& os, const ConstIntView& x) {
127  return os << x.val();
128  }
129  template<class Char, class Traits>
130  inline std::basic_ostream<Char,Traits>&
131  operator <<(std::basic_ostream<Char,Traits>& os, const ZeroIntView&) {
132  return os << 0;
133  }
134 
135 
136  template<class Char, class Traits>
137  std::basic_ostream<Char,Traits>&
138  operator <<(std::basic_ostream<Char,Traits>& os, const BoolView& x) {
139  if (x.one())
140  return os << 1;
141  if (x.zero())
142  return os << 0;
143  return os << "[0..1]";
144  }
145  template<class Char, class Traits>
146  std::basic_ostream<Char,Traits>&
147  operator <<(std::basic_ostream<Char,Traits>& os, const NegBoolView& x) {
148  if (x.one())
149  return os << 0;
150  if (x.zero())
151  return os << 1;
152  return os << "[0..1]";
153  }
154 
155 }}
156 
157 // STATISTICS: int-var
158 
Node * x
Pointer to corresponding Boolean expression node.
Definition: bool-expr.cpp:249
NNF * r
Right subtree.
Definition: bool-expr.cpp:242
Integer view for integer variables.
Definition: view.hpp:129
Minus integer view.
Definition: view.hpp:282
Scale integer view (template)
Definition: view.hpp:704
Range iterator for integer views.
Definition: view.hpp:54
std::basic_ostream< Char, Traits > & print_scale(std::basic_ostream< Char, Traits > &os, const ScaleView< Val, UnsVal > &x)
Definition: print.hpp:67
std::basic_ostream< Char, Traits > & print_view(std::basic_ostream< Char, Traits > &os, const View &x)
Definition: print.hpp:40
std::basic_ostream< Char, Traits > & operator<<(std::basic_ostream< Char, Traits > &os, const IdxViewArray< View > &x)
Definition: idx-view.hpp:167