Gecode::Search::Cutoff Class Reference
[Search engines]
Base class for cutoff generators for restartbased meta engine. More...
#include <search.hh>
Constructors and member functions  
 
Cutoff (void)  
Default constructor.  
virtual unsigned long int  operator() (void) const =0 
Return the current cutoff value.  
virtual unsigned long int  operator++ (void)=0 
Increment and return the next cutoff value.  
virtual  ~Cutoff (void) 
Destructor.  
Predefined cutoff generators  
 
static Cutoff *  constant (unsigned long int scale=Config::slice) 
Create generator for constant sequence with constant s.  
static Cutoff *  linear (unsigned long int scale=Config::slice) 
Create generator for linear sequence scaled by scale.  
static Cutoff *  geometric (unsigned long int scale=Config::slice, double base=Config::base) 
static Cutoff *  luby (unsigned long int scale=Config::slice) 
Create generator for luby sequence with scalefactor scale.  
static Cutoff *  rnd (unsigned int seed, unsigned long int min, unsigned long int max, unsigned long int n) 
static Cutoff *  append (Cutoff *c1, unsigned long int n, Cutoff *c2) 
Append cutoff values from c2 after n values from c1.  
static Cutoff *  merge (Cutoff *c1, Cutoff *c2) 
Merge cutoff values from c1 with values from c2.  
static Cutoff *  repeat (Cutoff *c, unsigned long int n) 
Create generator that repeats n times each cutoff value from c. 
Detailed Description
Base class for cutoff generators for restartbased meta engine.
Definition at line 172 of file search.hh.
Constructor & Destructor Documentation
Gecode::Search::Cutoff::Cutoff  (  void  )  [inline] 
Default constructor.
Definition at line 45 of file cutoff.hpp.
Gecode::Search::Cutoff::~Cutoff  (  void  )  [inline, virtual] 
Destructor.
Definition at line 47 of file cutoff.hpp.
Member Function Documentation
virtual unsigned long int Gecode::Search::Cutoff::operator()  (  void  )  const [pure virtual] 
Return the current cutoff value.
Implemented in Gecode::Search::CutoffConstant, Gecode::Search::CutoffLinear, Gecode::Search::CutoffLuby, Gecode::Search::CutoffGeometric, Gecode::Search::CutoffRandom, Gecode::Search::CutoffAppend, Gecode::Search::CutoffMerge, and Gecode::Search::CutoffRepeat.
virtual unsigned long int Gecode::Search::Cutoff::operator++  (  void  )  [pure virtual] 
Increment and return the next cutoff value.
Implemented in Gecode::Search::CutoffConstant, Gecode::Search::CutoffLinear, Gecode::Search::CutoffLuby, Gecode::Search::CutoffGeometric, Gecode::Search::CutoffRandom, Gecode::Search::CutoffAppend, Gecode::Search::CutoffMerge, and Gecode::Search::CutoffRepeat.
Cutoff * Gecode::Search::Cutoff::constant  (  unsigned long int  scale = Config::slice 
)  [static] 
Create generator for constant sequence with constant s.
Definition at line 152 of file cutoff.cpp.
Cutoff * Gecode::Search::Cutoff::linear  (  unsigned long int  scale = Config::slice 
)  [static] 
Create generator for linear sequence scaled by scale.
Definition at line 156 of file cutoff.cpp.
Cutoff * Gecode::Search::Cutoff::geometric  (  unsigned long int  scale = Config::slice , 

double  base = Config::base  
)  [static] 
Create generator for geometric sequence scaled by scale using base base
Definition at line 164 of file cutoff.cpp.
Cutoff * Gecode::Search::Cutoff::luby  (  unsigned long int  scale = Config::slice 
)  [static] 
Create generator for luby sequence with scalefactor scale.
Reimplemented in Gecode::Search::CutoffLuby.
Definition at line 160 of file cutoff.cpp.
Cutoff * Gecode::Search::Cutoff::rnd  (  unsigned int  seed,  
unsigned long int  min,  
unsigned long int  max,  
unsigned long int  n  
)  [static] 
Create generator for random sequence with seed seed that generates values between min and max with n steps between the extreme values (use 0 for n to get step size 1).
Definition at line 168 of file cutoff.cpp.
Append cutoff values from c2 after n values from c1.
Definition at line 175 of file cutoff.cpp.
Merge cutoff values from c1 with values from c2.
Definition at line 179 of file cutoff.cpp.
Create generator that repeats n times each cutoff value from c.
Definition at line 183 of file cutoff.cpp.
The documentation for this class was generated from the following files:
 gecode/search.hh (Revision: 15233)
 gecode/search/cutoff.cpp (Revision: 14967)
 gecode/search/cutoff.hpp (Revision: 14967)