Base class for cutoff generators for restart-based meta engine. More...
#include <search.hh>
Public Member Functions | |
Cutoff (void) | |
Default constructor. | |
virtual unsigned long int | operator() (void)=0 |
Return next cutoff value. | |
virtual | ~Cutoff (void) |
Destructor. | |
Static Public Member Functions | |
static Cutoff * | constant (unsigned long int scale=1U) |
Create generator for constant sequence with constant s. | |
static Cutoff * | linear (unsigned long int scale=1U) |
Create generator for linear sequence scaled by scale. | |
static Cutoff * | geometric (unsigned long int scale=1U, double base=1.5) |
static Cutoff * | luby (unsigned long int scale=1U) |
Create generator for luby sequence with scale-factor 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 * | repeat (Cutoff *c, unsigned long int n) |
Create generator that repeats n times each cutoff value from c. | |
static void * | operator new (size_t s) |
Allocate memory from heap. | |
static void | operator delete (void *p) |
Free memory allocated from heap. |
Base class for cutoff generators for restart-based meta engine.
Gecode::Search::Cutoff::Cutoff | ( | void | ) | [inline] |
Default constructor.
Definition at line 172 of file cutoff.hpp.
Gecode::Search::Cutoff::~Cutoff | ( | void | ) | [inline, virtual] |
Destructor.
Definition at line 174 of file cutoff.hpp.
virtual unsigned long int Gecode::Search::Cutoff::operator() | ( | void | ) | [pure virtual] |
Return next cutoff value.
Implemented in Gecode::Search::CutoffRepeat, Gecode::Search::CutoffAppend, Gecode::Search::CutoffRandom, Gecode::Search::CutoffGeometric, Gecode::Search::CutoffLuby, Gecode::Search::CutoffLinear, and Gecode::Search::CutoffConstant.
Cutoff * Gecode::Search::Cutoff::constant | ( | unsigned long int | scale = 1U | ) | [static] |
Create generator for constant sequence with constant s.
Definition at line 165 of file cutoff.cpp.
Cutoff * Gecode::Search::Cutoff::linear | ( | unsigned long int | scale = 1U | ) | [static] |
Create generator for linear sequence scaled by scale.
Definition at line 169 of file cutoff.cpp.
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 177 of file cutoff.cpp.
Cutoff * Gecode::Search::Cutoff::luby | ( | unsigned long int | scale = 1U | ) | [static] |
Create generator for luby sequence with scale-factor scale.
Definition at line 173 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 181 of file cutoff.cpp.
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 188 of file cutoff.cpp.
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 192 of file cutoff.cpp.
void * Gecode::Search::Cutoff::operator new | ( | size_t | s | ) | [inline, static] |
Allocate memory from heap.
Definition at line 176 of file cutoff.hpp.
void Gecode::Search::Cutoff::operator delete | ( | void * | p | ) | [inline, static] |
Free memory allocated from heap.
Definition at line 180 of file cutoff.hpp.