Warnsdorff Class Reference
Custom brancher for knight's tours using Warnsdorff's rule. More...
Classes | |
| class | Choice |
| Choice More... | |
Public Member Functions | |
| virtual bool | status (const Space &) const |
| Check status of brancher, return true if alternatives left. | |
| virtual Gecode::Choice * | choice (Space &) |
| Return choice. | |
| virtual Choice * | choice (const Space &, Archive &e) |
| Return choice. | |
| virtual ExecStatus | commit (Space &home, const Gecode::Choice &_c, unsigned int a) |
| Perform commit for choice _c and alternative a. | |
| virtual void | print (const Space &, const Gecode::Choice &_c, unsigned int a, std::ostream &o) const |
| Print explanation. | |
| virtual Actor * | copy (Space &home) |
| Copy brancher. | |
| virtual size_t | dispose (Space &) |
| Delete brancher and return its size. | |
Static Public Member Functions | |
| static void | post (Home home, const IntVarArgs &x) |
| Post brancher. | |
Protected Member Functions | |
| Warnsdorff (Home home, ViewArray< Int::IntView > &xv) | |
| Construct brancher. | |
| Warnsdorff (Space &home, Warnsdorff &b) | |
| Copy constructor. | |
Protected Attributes | |
| ViewArray< Int::IntView > | x |
| Views of the brancher. | |
| int | start |
| Next variable to branch on. | |
Detailed Description
Custom brancher for knight's tours using Warnsdorff's rule.
This class implements Warnsdorff's rule for finding knight's tours. The next position is choosen by taking the jump that minimizes the number of alternatives in the next step.
Definition at line 58 of file knights.cpp.
Constructor & Destructor Documentation
| Warnsdorff::Warnsdorff | ( | Home | home, | |
| ViewArray< Int::IntView > & | xv | |||
| ) | [inline, protected] |
Construct brancher.
Definition at line 84 of file knights.cpp.
| Warnsdorff::Warnsdorff | ( | Space & | home, | |
| Warnsdorff & | b | |||
| ) | [inline, protected] |
Copy constructor.
Definition at line 87 of file knights.cpp.
Member Function Documentation
| virtual bool Warnsdorff::status | ( | const Space & | ) | const [inline, virtual] |
Check status of brancher, return true if alternatives left.
Implements Gecode::Brancher.
Definition at line 93 of file knights.cpp.
| virtual Gecode::Choice* Warnsdorff::choice | ( | Space & | ) | [inline, virtual] |
| virtual ExecStatus Warnsdorff::commit | ( | Space & | home, | |
| const Gecode::Choice & | _c, | |||
| unsigned int | a | |||
| ) | [inline, virtual] |
Perform commit for choice _c and alternative a.
Implements Gecode::Brancher.
Definition at line 126 of file knights.cpp.
| virtual void Warnsdorff::print | ( | const Space & | , | |
| const Gecode::Choice & | _c, | |||
| unsigned int | a, | |||
| std::ostream & | o | |||
| ) | const [inline, virtual] |
| static void Warnsdorff::post | ( | Home | home, | |
| const IntVarArgs & | x | |||
| ) | [inline, static] |
Post brancher.
Definition at line 148 of file knights.cpp.
| virtual size_t Warnsdorff::dispose | ( | Space & | ) | [inline, virtual] |
Delete brancher and return its size.
Reimplemented from Gecode::Actor.
Definition at line 153 of file knights.cpp.
Member Data Documentation
ViewArray<Int::IntView> Warnsdorff::x [protected] |
Views of the brancher.
Definition at line 61 of file knights.cpp.
int Warnsdorff::start [mutable, protected] |
Next variable to branch on.
Definition at line 63 of file knights.cpp.
The documentation for this class was generated from the following file:
- examples/knights.cpp