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alpar (Alpar Juttner)
alpar@cs.elte.hu
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0 files changed with 156 insertions and 143 deletions:
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Ignore white space 6 line context
... ...
@@ -114,38 +114,27 @@
114 114
				const char *function,
115 115
				const std::exception& exception,
116 116
				const char *assertion)
117 117
  {
118
    std::cerr << file << ":" << line << ": ";
119
    if (function)
120
      std::cerr << function << ": ";
121
    std::cerr << exception.what();
122
    if (assertion)
123
      std::cerr << " (assertion '" << assertion << "' failed)";
124
    std::cerr << std::endl;
118
    assert_fail_log(file, line, function, exception, assertion);
125 119
    std::abort();
126 120
  }
127 121

	
128 122
  inline void assert_fail_abort(const char *file, int line,
129 123
				const char *function, const char* message,
130 124
				const char *assertion)
131 125
  {
132
    std::cerr << file << ":" << line << ": ";
133
    if (function)
134
      std::cerr << function << ": ";
135
    std::cerr << message;
136
    if (assertion)
137
      std::cerr << " (assertion '" << assertion << "' failed)";
138
    std::cerr << std::endl;
126
    assert_fail_log(file, line, function, message, assertion);
139 127
    std::abort();
140 128
  }
141 129

	
142 130
  inline void assert_fail_abort(const char *file, int line, 
143 131
				const char *function, 
144 132
				const std::string& message,
145 133
				const char *assertion)
146 134
  {
147
    assert_fail_abort(file, line, function, message.c_str(), assertion);
135
    assert_fail_log(file, line, function, message.c_str(), assertion);
136
    std::abort();
148 137
  }
149 138

	
150 139
  inline void assert_fail_error(const char *file, int line, 
151 140
				  const char *function,
... ...
@@ -167,9 +156,9 @@
167 156
				  const char *function, 
168 157
				  const std::string& message,
169 158
				  const char *assertion)
170 159
  {
171
    assert_fail_error(file, line, function, message.c_str(), assertion);
160
    throw AssertionFailedError(file, line, function, message.c_str(), assertion);
172 161
  }
173 162

	
174 163
  template <typename Exception>
175 164
  inline void assert_fail_exception(const char *, int, const char *,
... ...
@@ -191,9 +180,9 @@
191 180
				    const char *function, 
192 181
				    const std::string& message,
193 182
				    const char *assertion)
194 183
  {
195
    assert_fail_exception(file, line, function, message.c_str(), assertion);
184
    throw AssertionFailedError(file, line, function, message.c_str(), assertion);
196 185
  }
197 186

	
198 187
/// @}
199 188

	
... ...
@@ -207,19 +196,19 @@
207 196
  (defined(LEMON_ASSERT_ABORT) ? 1 : 0) +		\
208 197
  (defined(LEMON_ASSERT_ERROR) ? 1 : 0) +		\
209 198
  (defined(LEMON_ASSERT_EXCEPTION) ? 1 : 0) +		\
210 199
  (defined(LEMON_ASSERT_CUSTOM) ? 1 : 0) > 1
211
#error "Lemon assertion system is not set properly"
200
#error "LEMON assertion system is not set properly"
212 201
#endif
213 202

	
214 203
#if ((defined(LEMON_ASSERT_LOG) ? 1 : 0) +		\
215 204
     (defined(LEMON_ASSERT_ABORT) ? 1 : 0) +		\
216 205
     (defined(LEMON_ASSERT_ERROR) ? 1 : 0) +		\
217 206
     (defined(LEMON_ASSERT_EXCEPTION) ? 1 : 0) +	\
218 207
     (defined(LEMON_ASSERT_CUSTOM) ? 1 : 0) == 1 ||	\
219
     defined(LEMON_ENABLE_ASSERT)) &&			\
208
     defined(LEMON_ENABLE_ASSERTS)) &&			\
220 209
  defined(LEMON_DISABLE_ASSERTS)
221
#error "Lemon assertion system is not set properly"
210
#error "LEMON assertion system is not set properly"
222 211
#endif
223 212

	
224 213

	
225 214
#if defined LEMON_ASSERT_LOG
... ...
@@ -255,20 +244,20 @@
255 244
#ifdef DOXYGEN
256 245

	
257 246
/// \ingroup exceptions
258 247
///
259
/// \brief Macro for assertions with customizable message
248
/// \brief Macro for assertion with customizable message
260 249
///
261
/// Macro for assertions with customizable message.  
262
/// \param exp An expression convertible to bool. If the expression is
263
/// false, then an assertion is raised. The concrete behaviour depends
264
/// on the settings of the assertion system.
265
/// \param msg A \e const \e char*, a \e const std::string& or a \e
266
/// const \e std::exception& parameter. The variable can be used to
267
/// provide information about the circumstances of failed assertion.
250
/// Macro for assertion with customizable message.  
251
/// \param exp An expression that must be convertible to \c bool.
252
/// If it is \c false, then an assertion is raised. The concrete
253
/// behaviour depends on the settings of the assertion system.
254
/// \param msg A <tt>const char*</tt>, a <tt>const std::string&</tt> or
255
/// a <tt>const std::exception&</tt> parameter, which can be used to
256
/// provide information about the circumstances of the failed assertion.
268 257
///
269
/// The assertions are disabled in the default behaviour. You can
270
/// enable the assertions with the following code:
258
/// The assertions are disabled in the default behaviour.
259
/// You can enable them with the following code:
271 260
/// \code
272 261
/// #define LEMON_ENABLE_ASSERTS
273 262
/// \endcode
274 263
/// or with compilation parameters:
... ...
@@ -276,54 +265,53 @@
276 265
/// g++ -DLEMON_ENABLE_ASSERTS
277 266
/// make CXXFLAGS='-DLEMON_ENABLE_ASSERTS'
278 267
/// \endcode
279 268
/// 
280
/// The %lemon assertion system has a wide range of customization
281
/// properties. As default behaviour the failed assertion prints a
282
/// short log message to the standard ouput and aborts the execution.
269
/// The LEMON assertion system has a wide range of customization
270
/// properties. As a default behaviour the failed assertion prints a
271
/// short log message to the standard error and aborts the execution.
283 272
///
284 273
/// The following modes can be used in the assertion system: 
285 274
///
286
/// - \e LEMON_ASSERT_LOG The failed assert print a short convenient
287
///   error message to the standard error and continues the
288
///   execution.
289
/// - \e LEMON_ASSERT_ABORT This mode is similar to the \e
290
///   LEMON_ASSERT_LOG, but it aborts the program. It is the default
291
///   operation mode when the asserts are enabled with \e
292
///   LEMON_ENABLE_ASSERTS.
293
/// - \e LEMON_ASSERT_ERROR The assert throws an \ref
294
///   lemon::AssertionFailedError "AssertionFailedError". If the \c
295
///   msg parameter is an exception, then the result of the \ref
296
///   lemon::Exception::what() "what()" member function is passed as
297
///   error message.
298
/// - \e LEMON_ASSERT_EXCEPTION If the specified \c msg is an
299
///   exception then it raised directly (solving that the exception
275
/// - \c LEMON_ASSERT_LOG The failed assertion prints a short log
276
///   message to the standard error and continues the execution.
277
/// - \c LEMON_ASSERT_ABORT This mode is similar to the
278
///   \c LEMON_ASSERT_LOG, but it aborts the program. It is the default
279
///   behaviour mode when the assertions are enabled with
280
///   \c LEMON_ENABLE_ASSERTS.
281
/// - \c LEMON_ASSERT_ERROR The assertion throws an
282
///   \ref lemon::AssertionFailedError "AssertionFailedError".
283
///   If the \c msg parameter is an exception, then the result of the
284
///   \ref lemon::Exception::what() "what()" member function is passed
285
///   as error message.
286
/// - \c LEMON_ASSERT_EXCEPTION If the specified \c msg is an
287
///   exception, then it raised directly (solving that the exception
300 288
///   can not be thrown polymorphically), otherwise an \ref
301 289
///   lemon::AssertionFailedError "AssertionFailedError" is thrown with
302
///   the given parameter.
303
/// - \e LEMON_ASSERT_CUSTOM The user can define an own assertion
304
///   handler functions. Three overloaded functions should be defined
305
///   with the following parameter lists:
290
///   the given parameters.
291
/// - \c LEMON_ASSERT_CUSTOM The user can define own assertion handler
292
///   functions. Three overloaded functions should be defined with the
293
///   following parameter lists:
306 294
///   \code
307
///     void custom_assert_handler(const char* file, int line, 
308
///                                const char* function, const char* message, const char* expression);
309
///     void custom_assert_handler(const char* file, int line, 
310
///                                const char* function, const std::string& message, const char* expression);
311
///     void custom_assert_handler(const char* file, int line, 
312
///                                const char* function, const std::exception& message, const char* expression);
295
///     void custom_assert_handler(const char* file, int line, const char* function,
296
///                                const char* message, const char* assertion);
297
///     void custom_assert_handler(const char* file, int line, const char* function,
298
///                                const std::string& message, const char* assertion);
299
///     void custom_assert_handler(const char* file, int line, const char* function,
300
///                                const std::exception& message, const char* assertion);
313 301
///   \endcode
314 302
///   The name of the functions should be defined as the \c
315 303
///   LEMON_CUSTOM_ASSERT_HANDLER macro name. 
316 304
///   \code
317 305
///     #define LEMON_CUSTOM_ASSERT_HANDLER custom_assert_handler
318 306
///   \endcode
319 307
///   Whenever an assertion is occured, one of the custom assertion
320
///   handler is called with appropiate parameters.
308
///   handlers is called with appropiate parameters.
321 309
///
322
/// The assertion mode can be changed within one compilation unit, if
323
/// the macros are redefined with other settings and the
324
/// lemon/assert.h file is reincluded then the behaviour is changed
325
/// appropiately to the new settings.
310
/// The assertion mode can also be changed within one compilation unit.
311
/// If the macros are redefined with other settings and the
312
/// \ref lemon/assert.h "assert.h" file is reincluded, then the
313
/// behaviour is changed appropiately to the new settings.
326 314
#  define LEMON_ASSERT(exp, msg)					\
327 315
  (static_cast<void> (!!(exp) ? 0 : (					\
328 316
    LEMON_ASSERT_HANDLER(__FILE__, __LINE__,				\
329 317
			 LEMON_FUNCTION_NAME,				\
... ...
@@ -345,9 +333,9 @@
345 333

	
346 334
#else
347 335

	
348 336
#  ifndef LEMON_ASSERT_HANDLER
349
#    define LEMON_ASSERT(exp, msg)  (static_cast<void> (0))
337
#    define LEMON_ASSERT(exp, msg)  (static_cast<void>(0))
350 338
#    define LEMON_FIXME(msg) (static_cast<void>(0))
351 339
#  else
352 340
#    define LEMON_ASSERT(exp, msg)                 \
353 341
       (static_cast<void> (!!(exp) ? 0 : (         \
Ignore white space 8 line context
... ...
@@ -17,42 +17,44 @@
17 17
 */
18 18

	
19 19
///\ingroup concept
20 20
///\file
21
///\brief Classes for representing heaps.
22
///
21
///\brief The concept of heaps.
23 22

	
24 23
#ifndef LEMON_CONCEPT_HEAP_H
25 24
#define LEMON_CONCEPT_HEAP_H
26 25

	
27 26
#include <lemon/bits/invalid.h>
28 27

	
29 28
namespace lemon {
29

	
30 30
  namespace concepts {
31

	
31 32
    /// \addtogroup concept
32 33
    /// @{
33 34

	
34

	
35
    /// \brief A concept structure describes the main interface of heaps.
35
    /// \brief The heap concept.
36 36
    ///
37
    /// A concept structure describes the main interface of heaps.
38
    ///
39
    template <typename Prio, typename ItemIntMap>
37
    /// Concept class describing the main interface of heaps.
38
    template <typename Priority, typename ItemIntMap>
40 39
    class Heap {
41 40
    public:
42 41

	
43
      ///\brief Type of the items stored in the heap.
44
      typedef typename ItemIntMap::Key  Item;
45
  
42
      /// Type of the items stored in the heap.
43
      typedef typename ItemIntMap::Key Item;
46 44

	
47
      /// \brief Type to represent the items states.
45
      /// Type of the priorities.
46
      typedef Priority Prio;
47

	
48
      /// \brief Type to represent the states of the items.
48 49
      ///
49
      /// Each Item element have a state associated to it. It may be "in heap",
50
      /// "pre heap" or "post heap". The later two are indifferent from the
51
      /// heap's point of view, but may be useful to the user.
50
      /// Each item has a state associated to it. It can be "in heap",
51
      /// "pre heap" or "post heap". The later two are indifferent
52
      /// from the point of view of the heap, but may be useful for
53
      /// the user.
52 54
      ///
53
      /// The ItemIntMap _should_ be initialized in such way, that it maps
54
      /// PRE_HEAP (-1) to any element to be put in the heap...
55
      /// The \c ItemIntMap must be initialized in such a way, that it 
56
      /// assigns \c PRE_HEAP (<tt>-1</tt>) to every item.
55 57
      enum State {
56 58
	IN_HEAP = 0,
57 59
	PRE_HEAP = -1,
58 60
	POST_HEAP = -2
... ...
@@ -60,164 +62,187 @@
60 62
      
61 63
      /// \brief The constructor.
62 64
      ///
63 65
      /// The constructor.
64
      /// \param _iim should be given to the constructor, since it is used
65
      /// internally to handle the cross references. The value of the map
66
      /// should be PRE_HEAP (-1) for each element.
67
      explicit Heap(ItemIntMap &_iim) {}
66
      /// \param map A map that assigns \c int values to keys of type
67
      /// \c Item. It is used internally by the heap implementations to
68
      /// handle the cross references. The assigned value must be
69
      /// \c PRE_HEAP (<tt>-1</tt>) for every item.
70
      explicit Heap(ItemIntMap &map) {}
68 71

	
69 72
      /// \brief The number of items stored in the heap.
70 73
      ///
71 74
      /// Returns the number of items stored in the heap.
72 75
      int size() const { return 0; }
73 76

	
74
      /// \brief Checks if the heap stores no items.
77
      /// \brief Checks if the heap is empty.
75 78
      ///
76
      /// Returns \c true if and only if the heap stores no items.
79
      /// Returns \c true if the heap is empty.
77 80
      bool empty() const { return false; }
78 81

	
79
      /// \brief Makes empty this heap.
82
      /// \brief Makes the heap empty.
80 83
      ///
81
      /// Makes this heap empty.
84
      /// Makes the heap empty.
82 85
      void clear();
83 86

	
84
      /// \brief Insert an item into the heap with the given heap.
87
      /// \brief Inserts an item into the heap with the given priority.
85 88
      ///    
86
      /// Adds \c i to the heap with priority \c p. 
89
      /// Inserts the given item into the heap with the given priority. 
87 90
      /// \param i The item to insert.
88 91
      /// \param p The priority of the item.
89 92
      void push(const Item &i, const Prio &p) {}
90 93

	
91
      /// \brief Returns the item with minimum priority.
94
      /// \brief Returns the item having minimum priority.
92 95
      ///
93
      /// This method returns the item with minimum priority.  
94
      /// \pre The heap must be nonempty.  
96
      /// Returns the item having minimum priority.
97
      /// \pre The heap must be non-empty.
95 98
      Item top() const {}
96 99

	
97
      /// \brief Returns the minimum priority.
100
      /// \brief The minimum priority.
98 101
      ///
99
      /// It returns the minimum priority.
100
      /// \pre The heap must be nonempty.
102
      /// Returns the minimum priority.
103
      /// \pre The heap must be non-empty.
101 104
      Prio prio() const {}
102 105

	
103
      /// \brief Deletes the item with minimum priority.
106
      /// \brief Removes the item having minimum priority.
104 107
      ///
105
      /// This method deletes the item with minimum priority.
106
      /// \pre The heap must be non-empty.  
108
      /// Removes the item having minimum priority.
109
      /// \pre The heap must be non-empty.
107 110
      void pop() {}
108 111

	
109
      /// \brief Deletes \c i from the heap.
112
      /// \brief Removes an item from the heap.
110 113
      ///
111
      /// This method deletes item \c i from the heap, if \c i was
112
      /// already stored in the heap.
113
      /// \param i The item to erase. 
114
      /// Removes the given item from the heap if it is already stored.
115
      /// \param i The item to delete. 
114 116
      void erase(const Item &i) {}
115 117

	
116
      /// \brief Returns the priority of \c i.
118
      /// \brief The priority of an item.
117 119
      ///
118
      /// This function returns the priority of item \c i.  
120
      /// Returns the priority of the given item.  
119 121
      /// \pre \c i must be in the heap.
120 122
      /// \param i The item.
121 123
      Prio operator[](const Item &i) const {}
122 124

	
123
      /// \brief \c i gets to the heap with priority \c p independently 
124
      /// if \c i was already there.
125
      /// \brief Sets the priority of an item or inserts it, if it is
126
      /// not stored in the heap.
125 127
      ///
126
      /// This method calls \ref push(\c i, \c p) if \c i is not stored
127
      /// in the heap and sets the priority of \c i to \c p otherwise.
128
      /// It may throw an \e UnderFlowPriorityException. 
128
      /// This method sets the priority of the given item if it is
129
      /// already stored in the heap.
130
      /// Otherwise it inserts the given item with the given priority.
131
      ///
132
      /// It may throw an \ref UnderflowPriorityException.
129 133
      /// \param i The item.
130 134
      /// \param p The priority.
131 135
      void set(const Item &i, const Prio &p) {}
132 136
      
133
      /// \brief Decreases the priority of \c i to \c p.
137
      /// \brief Decreases the priority of an item to the given value.
134 138
      ///
135
      /// This method decreases the priority of item \c i to \c p.
139
      /// Decreases the priority of an item to the given value.
136 140
      /// \pre \c i must be stored in the heap with priority at least \c p.
137 141
      /// \param i The item.
138 142
      /// \param p The priority.
139 143
      void decrease(const Item &i, const Prio &p) {}
140 144

	
141
      /// \brief Increases the priority of \c i to \c p.
145
      /// \brief Increases the priority of an item to the given value.
142 146
      ///
143
      /// This method sets the priority of item \c i to \c p. 
144
      /// \pre \c i must be stored in the heap with priority at most \c
145
      /// p relative to \c Compare.
147
      /// Increases the priority of an item to the given value.
148
      /// \pre \c i must be stored in the heap with priority at most \c p.
146 149
      /// \param i The item.
147 150
      /// \param p The priority.
148 151
      void increase(const Item &i, const Prio &p) {}
149 152

	
150
      /// \brief Returns if \c item is in, has already been in, or has 
153
      /// \brief Returns if an item is in, has already been in, or has
151 154
      /// never been in the heap.
152 155
      ///
153
      /// This method returns PRE_HEAP if \c item has never been in the
154
      /// heap, IN_HEAP if it is in the heap at the moment, and POST_HEAP
155
      /// otherwise. In the latter case it is possible that \c item will
156
      /// get back to the heap again.
156
      /// This method returns \c PRE_HEAP if the given item has never
157
      /// been in the heap, \c IN_HEAP if it is in the heap at the moment,
158
      /// and \c POST_HEAP otherwise.
159
      /// In the latter case it is possible that the item will get back
160
      /// to the heap again.
157 161
      /// \param i The item.
158 162
      State state(const Item &i) const {}
159 163

	
160
      /// \brief Sets the state of the \c item in the heap.
164
      /// \brief Sets the state of an item in the heap.
161 165
      ///
162
      /// Sets the state of the \c item in the heap. It can be used to
163
      /// manually clear the heap when it is important to achive the
166
      /// Sets the state of the given item in the heap. It can be used
167
      /// to manually clear the heap when it is important to achive the
164 168
      /// better time complexity.
165 169
      /// \param i The item.
166
      /// \param st The state. It should not be \c IN_HEAP. 
170
      /// \param st The state. It should not be \c IN_HEAP.
167 171
      void state(const Item& i, State st) {}
168 172

	
169 173

	
170 174
      template <typename _Heap>
171 175
      struct Constraints {
172 176
      public:
173
    
174 177
	void constraints() {
178
	  typedef typename _Heap::Item OwnItem;
179
	  typedef typename _Heap::Prio OwnPrio;
180
	  typedef typename _Heap::State OwnState;
181

	
175 182
	  Item item;
176 183
	  Prio prio;
177

	
184
	  State state;
178 185
	  item=Item();
179 186
	  prio=Prio();
180

	
181 187
	  ignore_unused_variable_warning(item);
182 188
	  ignore_unused_variable_warning(prio);
189
	  ignore_unused_variable_warning(state);
183 190

	
184
	  typedef typename _Heap::State State;
185
	  State state;
191
	  OwnItem own_item;
192
	  OwnPrio own_prio;
193
	  OwnState own_state;
194
	  own_item=Item();
195
	  own_prio=Prio();
196
	  ignore_unused_variable_warning(own_item);
197
	  ignore_unused_variable_warning(own_prio);
198
	  ignore_unused_variable_warning(own_state);
186 199

	
187
	  ignore_unused_variable_warning(state);
188
      
189
	  _Heap heap1 = _Heap(map);
190

	
200
	  _Heap heap1(map);
201
	  _Heap heap2 = heap1;
191 202
	  ignore_unused_variable_warning(heap1);
192
      
193
	  heap.push(item, prio);
203
	  ignore_unused_variable_warning(heap2);
204
	  
205
	  int s = heap.size();
206
	  bool e = heap.empty();
194 207

	
195 208
	  prio = heap.prio();
196 209
	  item = heap.top();
210
	  prio = heap[item];
211
	  own_prio = heap.prio();
212
	  own_item = heap.top();
213
	  own_prio = heap[own_item];
197 214

	
215
	  heap.push(item, prio);
216
	  heap.push(own_item, own_prio);
198 217
	  heap.pop();
199 218

	
200 219
	  heap.set(item, prio);
201 220
	  heap.decrease(item, prio);
202 221
	  heap.increase(item, prio);
203
	  prio = heap[item];
222
	  heap.set(own_item, own_prio);
223
	  heap.decrease(own_item, own_prio);
224
	  heap.increase(own_item, own_prio);
204 225

	
205 226
	  heap.erase(item);
227
	  heap.erase(own_item);
228
	  heap.clear();
206 229

	
207 230
	  state = heap.state(item);
231
	  heap.state(item, state);
232
	  state = heap.state(own_item);
233
	  heap.state(own_item, own_state);
208 234

	
209 235
	  state = _Heap::PRE_HEAP;
210 236
	  state = _Heap::IN_HEAP;
211 237
	  state = _Heap::POST_HEAP;
238
	  own_state = _Heap::PRE_HEAP;
239
	  own_state = _Heap::IN_HEAP;
240
	  own_state = _Heap::POST_HEAP;
241
	}
212 242

	
213
	  heap.clear();
214
	}
215
    
216 243
	_Heap& heap;
217 244
	ItemIntMap& map;
218

	
219
	Constraints() : heap(0), map(0) {}
220 245
      };
221 246
    };
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    /// @}
Ignore white space 6 line context
... ...
@@ -23,9 +23,9 @@
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#include <lemon/concept_check.h>
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///\ingroup concept
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///\file
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///\brief Map concepts checking classes for testing and documenting.
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///\brief The concept of maps.
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namespace lemon {
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  namespace concepts {
... ...
@@ -104,9 +104,9 @@
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	}
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	const Key& key;
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	const Value& val;
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	const typename _WriteMap::Key& own_key;
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	const typename _WriteMap::Value own_val;
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	const typename _WriteMap::Value& own_val;
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	_WriteMap& m;
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      };
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    };
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