Generated on Fri Feb 10 2017 16:50:59 for Gecode by doxygen 1.8.13
Gecode::Search::Cutoff Class Referenceabstract

Base class for cutoff generators for restart-based meta engine. More...

#include <search.hh>

Constructors and member functions

 Cutoff (void)
 Default constructor. More...
 
virtual unsigned long int operator() (void) const =0
 Return the current cutoff value. More...
 
virtual unsigned long int operator++ (void)=0
 Increment and return the next cutoff value. More...
 
virtual ~Cutoff (void)
 Destructor. More...
 
static void * operator new (size_t s)
 Memory management. More...
 
static void operator delete (void *p)
 Free memory allocated from heap. More...
 

Predefined cutoff generators

static Cutoffconstant (unsigned long int scale=1U)
 Create generator for constant sequence with constant s. More...
 
static Cutofflinear (unsigned long int scale=1U)
 Create generator for linear sequence scaled by scale. More...
 
static Cutoffgeometric (unsigned long int scale=1U, double base=1.5)
 
static Cutoffluby (unsigned long int scale=1U)
 Create generator for luby sequence with scale-factor scale. More...
 
static Cutoffrnd (unsigned int seed, unsigned long int min, unsigned long int max, unsigned long int n)
 
static Cutoffappend (Cutoff *c1, unsigned long int n, Cutoff *c2)
 Append cutoff values from c2 after n values from c1. More...
 
static Cutoffmerge (Cutoff *c1, Cutoff *c2)
 Merge cutoff values from c1 with values from c2. More...
 
static Cutoffrepeat (Cutoff *c, unsigned long int n)
 Create generator that repeats n times each cutoff value from c. More...
 

Detailed Description

Base class for cutoff generators for restart-based meta engine.

Definition at line 168 of file search.hh.

Constructor & Destructor Documentation

◆ Cutoff()

Gecode::Search::Cutoff::Cutoff ( void  )
inline

Default constructor.

Definition at line 45 of file cutoff.hpp.

◆ ~Cutoff()

Gecode::Search::Cutoff::~Cutoff ( void  )
inlinevirtual

Destructor.

Definition at line 47 of file cutoff.hpp.

Member Function Documentation

◆ operator()()

virtual unsigned long int Gecode::Search::Cutoff::operator() ( void  ) const
pure virtual

◆ operator++()

virtual unsigned long int Gecode::Search::Cutoff::operator++ ( void  )
pure virtual

◆ operator new()

void * Gecode::Search::Cutoff::operator new ( size_t  s)
inlinestatic

Memory management.

Allocate memory from heap

Definition at line 49 of file cutoff.hpp.

◆ operator delete()

void Gecode::Search::Cutoff::operator delete ( void *  p)
inlinestatic

Free memory allocated from heap.

Definition at line 53 of file cutoff.hpp.

◆ constant()

Cutoff * Gecode::Search::Cutoff::constant ( unsigned long int  scale = 1U)
static

Create generator for constant sequence with constant s.

Definition at line 152 of file cutoff.cpp.

◆ linear()

Cutoff * Gecode::Search::Cutoff::linear ( unsigned long int  scale = 1U)
static

Create generator for linear sequence scaled by scale.

Definition at line 156 of file cutoff.cpp.

◆ geometric()

Cutoff * Gecode::Search::Cutoff::geometric ( unsigned long int  scale = 1U,
double  base = 1.5 
)
static

Create generator for geometric sequence scaled by scale using base base

Definition at line 164 of file cutoff.cpp.

◆ luby()

Cutoff * Gecode::Search::Cutoff::luby ( unsigned long int  scale = 1U)
static

Create generator for luby sequence with scale-factor scale.

Definition at line 160 of file cutoff.cpp.

◆ rnd()

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 * Gecode::Search::Cutoff::append ( Cutoff c1,
unsigned long int  n,
Cutoff c2 
)
static

Append cutoff values from c2 after n values from c1.

Definition at line 175 of file cutoff.cpp.

◆ merge()

Cutoff * Gecode::Search::Cutoff::merge ( Cutoff c1,
Cutoff c2 
)
static

Merge cutoff values from c1 with values from c2.

Definition at line 179 of file cutoff.cpp.

◆ repeat()

Cutoff * Gecode::Search::Cutoff::repeat ( Cutoff c,
unsigned long int  n 
)
static

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: