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int.hh
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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  * Mikael Lagerkvist <lagerkvist@gecode.org>
6  *
7  * Copyright:
8  * Christian Schulte, 2005
9  * Mikael Lagerkvist, 2006
10  *
11  * This file is part of Gecode, the generic constraint
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35 
36 #ifndef __GECODE_TEST_INT_HH__
37 #define __GECODE_TEST_INT_HH__
38 
39 #include "test/test.hh"
40 
41 #include <gecode/int.hh>
42 
43 namespace Test {
44 
46  namespace Int {
47 
59  class Assignment {
60  protected:
61  int n;
63  public:
65  Assignment(int n0, const Gecode::IntSet& d0);
67  virtual bool operator()(void) const = 0;
69  virtual void operator++(void) = 0;
71  virtual int operator[](int i) const = 0;
73  int size(void) const;
75  virtual ~Assignment(void);
76  };
77 
79  class CpltAssignment : public Assignment {
80  protected:
82  public:
84  CpltAssignment(int n, const Gecode::IntSet& d);
86  virtual bool operator()(void) const;
88  virtual void operator++(void);
90  virtual int operator[](int i) const;
92  virtual ~CpltAssignment(void);
93  };
94 
96  class RandomAssignment : public Assignment {
97  protected:
98  int* vals;
99  int a;
101  int randval(void);
102  public:
104  RandomAssignment(int n, const Gecode::IntSet& d, int a);
106  virtual bool operator()(void) const;
108  virtual void operator++(void);
110  virtual int operator[](int i) const;
112  virtual ~RandomAssignment(void);
113  };
114 
117  protected:
118  int* vals;
119  int a;
120  int _n1;
123  int randval(const Gecode::IntSet& d);
124  public:
126  RandomMixAssignment(int n0, const Gecode::IntSet& d0,
127  int n1, const Gecode::IntSet& d1, int a0);
129  virtual bool operator()(void) const;
131  virtual void operator++(void);
133  virtual int operator[](int i) const;
135  virtual ~RandomMixAssignment(void);
136  };
137 
144  };
145 
146  class Test;
147 
149  class TestSpace : public Gecode::Space {
150  public:
160  bool reified;
161 
168  TestSpace(int n, Gecode::IntSet& d, Test* t);
178  TestSpace(TestSpace& s);
180  virtual Gecode::Space* copy(void);
182  bool assigned(void) const;
184  void post(void);
186  bool failed(void);
188  int rndvar(void);
190  void rndrel(const Assignment& a, int i, Gecode::IntRelType& irt, int& v);
192  void rel(int i, Gecode::IntRelType irt, int n);
194  void rel(bool sol);
196  void assign(const Assignment& a, bool skip=false);
198  void bound(void);
204  void prune(int i, bool bounds_only);
206  void prune(void);
208  bool prune(const Assignment& a, bool testfix);
210  void disable(void);
212  void enable(void);
214  bool disabled(const Assignment& a, TestSpace& c, bool testfix);
216  unsigned int propagators(void);
217  };
218 
223  class Test : public Base {
224  protected:
226  int arity;
230  bool reified;
232  int rms;
240  bool testfix;
242 
243  bool eqv(void) const;
246  bool imp(void) const;
248  bool pmi(void) const;
250  public:
259  Test(const std::string& p, const std::string& s,
260  int a, const Gecode::IntSet& d, bool r=false,
270  Test(const std::string& s,
271  int a, const Gecode::IntSet& d, bool r=false,
281  Test(const std::string& p, const std::string& s,
282  int a, int min, int max, bool r=false,
292  Test(const std::string& s,
293  int a, int min, int max, bool r=false,
296  virtual Assignment* assignment(void) const;
298  virtual bool solution(const Assignment&) const = 0;
300  virtual bool ignore(const Assignment&) const;
302  virtual void post(Gecode::Space& home, Gecode::IntVarArray& x) = 0;
304  virtual void post(Gecode::Space& home, Gecode::IntVarArray& x,
305  Gecode::Reify r);
307  virtual bool run(void);
309 
310  static std::string str(Gecode::IntPropLevel ipl);
313  static std::string str(Gecode::IntRelType irl);
315  static std::string str(Gecode::BoolOpType bot);
317  static std::string str(bool b);
319  static std::string str(int i);
321  static std::string str(const Gecode::IntArgs& i);
323 
325  template<class T> static bool cmp(T x, Gecode::IntRelType r, T y);
328  };
330 
333  private:
335  static const Gecode::IntPropLevel ipls[3];
337  int i;
338  public:
340  IntPropLevels(void);
342  bool operator()(void) const;
344  void operator++(void);
346  Gecode::IntPropLevel ipl(void) const;
347  };
348 
351  private:
353  static const Gecode::IntPropLevel ipls[3];
355  int i;
356  public:
358  IntPropBasicAdvanced(void);
360  bool operator()(void) const;
362  void operator++(void);
364  Gecode::IntPropLevel ipl(void) const;
365  };
366 
368  class IntRelTypes {
369  private:
371  static const Gecode::IntRelType irts[6];
373  int i;
374  public:
376  IntRelTypes(void);
378  void reset(void);
380  bool operator()(void) const;
382  void operator++(void);
384  Gecode::IntRelType irt(void) const;
385  };
386 
388  class BoolOpTypes {
389  private:
391  static const Gecode::BoolOpType bots[5];
393  int i;
394  public:
396  BoolOpTypes(void);
398  bool operator()(void) const;
400  void operator++(void);
402  Gecode::BoolOpType bot(void) const;
403  };
404 
405  }
406 }
407 
412 std::ostream& operator<<(std::ostream& os, const Test::Int::Assignment& a);
413 
414 #include "test/int.hpp"
415 
416 #endif
417 
418 // STATISTICS: test-int
419 
struct Gecode::@602::NNF::@65::@66 b
For binary nodes (and, or, eqv)
NodeType t
Type of node.
Definition: bool-expr.cpp:230
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:232
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:234
Node * x
Pointer to corresponding Boolean expression node.
Definition: bool-expr.cpp:249
struct Gecode::@602::NNF::@65::@67 a
For atomic nodes.
std::basic_ostream< Char, Traits > & operator<<(std::basic_ostream< Char, Traits > &os, const FloatView &x)
Print float variable view.
Passing integer arguments.
Definition: int.hh:628
Value iterator for integer sets.
Definition: int.hh:333
Integer sets.
Definition: int.hh:174
Integer variable array.
Definition: int.hh:763
Reification specification.
Definition: int.hh:876
Computation spaces.
Definition: core.hpp:1742
struct Gecode::Space::@61::@63 c
Data available only during copying.
Base class for all tests to be run
Definition: test.hh:103
Base class for assignments
Definition: int.hh:59
Gecode::IntSet d
Domain for each variable.
Definition: int.hh:62
int n
Number of variables.
Definition: int.hh:61
virtual ~Assignment(void)
Destructor.
Definition: int.hpp:50
Assignment(int n0, const Gecode::IntSet &d0)
Initialize assignments for n0 variables and values d0.
Definition: int.hpp:43
virtual void operator++(void)=0
Move to next assignment.
int size(void) const
Return number of variables.
Definition: int.hpp:46
virtual bool operator()(void) const =0
Test whether all assignments have been iterated.
virtual int operator[](int i) const =0
Return value for variable i.
Iterator for Boolean operation types.
Definition: int.hh:388
BoolOpTypes(void)
Initialize iterator.
Definition: int.hpp:356
bool operator()(void) const
Test whether iterator is done.
Definition: int.hpp:359
Gecode::BoolOpType bot(void) const
Return current operation type.
Definition: int.hpp:367
void operator++(void)
Increment to next operation type.
Definition: int.hpp:363
Generate all assignments.
Definition: int.hh:79
CpltAssignment(int n, const Gecode::IntSet &d)
Initialize assignments for n0 variables and values d0.
Definition: int.hpp:54
virtual int operator[](int i) const
Return value for variable i.
Definition: int.hpp:65
virtual ~CpltAssignment(void)
Destructor.
Definition: int.hpp:70
virtual bool operator()(void) const
Test whether all assignments have been iterated.
Definition: int.hpp:61
Gecode::IntSetValues * dsv
Iterator for each variable.
Definition: int.hh:81
virtual void operator++(void)
Move to next assignment.
Definition: int.cpp:48
Iterator for basic and advanced integer propagation levels.
Definition: int.hh:350
Gecode::IntPropLevel ipl(void) const
Return current level.
Definition: int.hpp:330
bool operator()(void) const
Test whether iterator is done.
Definition: int.hpp:322
IntPropBasicAdvanced(void)
Initialize iterator.
Definition: int.hpp:319
void operator++(void)
Increment to next level.
Definition: int.hpp:326
Iterator for simple integer propagation levels.
Definition: int.hh:332
IntPropLevels(void)
Initialize iterator.
Definition: int.hpp:302
Gecode::IntPropLevel ipl(void) const
Return current level.
Definition: int.hpp:313
bool operator()(void) const
Test whether iterator is done.
Definition: int.hpp:305
void operator++(void)
Increment to next level.
Definition: int.hpp:309
Iterator for integer relation types.
Definition: int.hh:368
void operator++(void)
Increment to next relation type.
Definition: int.hpp:347
bool operator()(void) const
Test whether iterator is done.
Definition: int.hpp:343
void reset(void)
Reset iterator.
Definition: int.hpp:339
IntRelTypes(void)
Initialize iterator.
Definition: int.hpp:336
Gecode::IntRelType irt(void) const
Return current relation type.
Definition: int.hpp:351
Generate random selection of assignments.
Definition: int.hh:96
virtual int operator[](int i) const
Return value for variable i.
Definition: int.hpp:99
virtual ~RandomAssignment(void)
Destructor.
Definition: int.hpp:104
RandomAssignment(int n, const Gecode::IntSet &d, int a)
Initialize for a assignments for n0 variables and values d0.
Definition: int.hpp:88
int a
How many assigments still to be generated Generate new value according to domain.
Definition: int.hh:99
int * vals
The current values for the variables.
Definition: int.hh:98
virtual bool operator()(void) const
Test whether all assignments have been iterated.
Definition: int.hpp:95
virtual void operator++(void)
Move to next assignment.
Definition: int.cpp:63
Generate random selection of assignments.
Definition: int.hh:116
int _n1
How many variables in the second set.
Definition: int.hh:120
RandomMixAssignment(int n0, const Gecode::IntSet &d0, int n1, const Gecode::IntSet &d1, int a0)
Initialize for a assignments for n0 variables and values d0.
Definition: int.hpp:121
Gecode::IntSet _d1
Domain for second set of variables Generate new value according to domain d.
Definition: int.hh:121
virtual int operator[](int i) const
Return value for variable i.
Definition: int.hpp:138
virtual bool operator()(void) const
Test whether all assignments have been iterated.
Definition: int.hpp:133
virtual ~RandomMixAssignment(void)
Destructor.
Definition: int.hpp:144
int a
How many assigments still to be generated.
Definition: int.hh:119
int * vals
The current values for the variables.
Definition: int.hh:118
virtual void operator++(void)
Move to next assignment.
Definition: int.cpp:70
int randval(const Gecode::IntSet &d)
Definition: int.hpp:109
Space for executing tests.
Definition: int.hh:149
Gecode::Reify r
Reification information.
Definition: int.hh:156
TestSpace(int n, Gecode::IntSet &d, Test *t)
Create test space without reification.
Definition: int.cpp:91
Gecode::IntSet d
Initial domain.
Definition: int.hh:152
void rndrel(const Assignment &a, int i, Gecode::IntRelType &irt, int &v)
Randomly select a pruning rel for variable i.
Definition: int.cpp:181
Test * test
The test currently run.
Definition: int.hh:158
virtual Gecode::Space * copy(void)
Copy space during cloning.
Definition: int.cpp:132
void post(void)
Post propagator.
Definition: int.cpp:145
bool assigned(void) const
Test whether all variables are assigned.
Definition: int.cpp:137
void prune(void)
Prune some random values for some random variable.
Definition: int.cpp:316
void bound(void)
Assing a random variable to a random bound.
Definition: int.cpp:272
void assign(const Assignment &a, bool skip=false)
Assign all (or all but one, if skip is true) variables to values in a.
Definition: int.cpp:259
bool failed(void)
Compute a fixpoint and check for failure.
Definition: int.cpp:158
bool reified
Whether the test is for a reified propagator.
Definition: int.hh:160
int rndvar(void)
Randomly select an unassigned variable.
Definition: int.cpp:170
bool disabled(const Assignment &a, TestSpace &c, bool testfix)
Prune values also in a space c with disabled propagators, but not those in assignment a.
Definition: int.cpp:373
void disable(void)
Disable propagators in space and compute fixpoint (make all idle)
Definition: int.cpp:367
Gecode::IntVarArray x
Variables to be tested.
Definition: int.hh:154
void enable(void)
Enable propagators in space.
Definition: int.cpp:362
void rel(int i, Gecode::IntRelType irt, int n)
Perform integer tell operation on x[i].
Definition: int.cpp:233
unsigned int propagators(void)
Return the number of propagators.
Definition: int.cpp:421
bool pmi(void) const
Test whether reverse implication as reification mode is supported.
Definition: int.hpp:161
virtual bool run(void)
Perform test.
Definition: int.cpp:471
bool reified
Does the constraint also exist as reified constraint.
Definition: int.hh:230
virtual bool ignore(const Assignment &) const
Whether to ignore assignment for reification.
Definition: int.cpp:462
bool testsearch
Whether to perform search test.
Definition: int.hh:238
bool testfix
Whether to perform fixpoint test.
Definition: int.hh:240
int rms
Which reification modes are supported.
Definition: int.hh:232
virtual void post(Gecode::Space &home, Gecode::IntVarArray &x)=0
Post constraint.
Test(const std::string &p, const std::string &s, int a, const Gecode::IntSet &d, bool r=false, Gecode::IntPropLevel i=Gecode::IPL_DEF)
Constructor.
Definition: int.hpp:165
Gecode::IntPropLevel ipl
Propagation level.
Definition: int.hh:234
bool eqv(void) const
Test whether equivalence as reification mode is supported.
Definition: int.hpp:153
int arity
Number of variables.
Definition: int.hh:226
static std::string str(Gecode::IntPropLevel ipl)
Map integer propagation level to string.
Definition: int.hpp:209
static bool cmp(T x, Gecode::IntRelType r, T y)
Compare x and y with respect to r.
Definition: int.hpp:285
virtual bool solution(const Assignment &) const =0
Check for solution.
virtual Assignment * assignment(void) const
Create assignment.
Definition: int.cpp:440
Gecode::IntSet dom
Domain of variables.
Definition: int.hh:228
bool imp(void) const
Test whether implication as reification mode is supported.
Definition: int.hpp:157
ConTestLevel contest
Whether to test for certain consistency.
Definition: int.hh:236
IntRelType
Relation types for integers.
Definition: int.hh:925
ReifyMode
Mode for reification.
Definition: int.hh:848
BoolOpType
Operation types for Booleans.
Definition: int.hh:950
IntPropLevel
Propagation levels for integer propagators.
Definition: int.hh:974
@ IPL_DEF
Simple propagation levels.
Definition: int.hh:976
const int min
Smallest allowed integer value.
Definition: int.hh:118
const int max
Largest allowed integer value.
Definition: int.hh:116
Gecode::IntArgs i({1, 2, 3, 4})
Gecode::IntSet d(v, 7)
const int v[7]
Definition: distinct.cpp:259
Gecode::IntSet d1(v1, 7)
ConTestLevel
Level of consistency to test for.
Definition: int.hh:139
@ CTL_BOUNDS_Z
Test for bounds(z)-consistency.
Definition: int.hh:143
@ CTL_BOUNDS_D
Test for bounds(d)-consistency.
Definition: int.hh:142
@ CTL_NONE
No consistency-test.
Definition: int.hh:140
@ CTL_DOMAIN
Test for domain-consistency.
Definition: int.hh:141
General test support.
Definition: afc.cpp:39
Region r
Definition: region.cpp:65