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#ifndef GECODE_FLOAT_BRANCH_HH#define GECODE_FLOAT_BRANCH_HH
#include <gecode/float.hh>
/** * \namespace Gecode::Float::Branch * \brief Float branchers */
namespace Gecode { namespace Float { namespace Branch {
/** * \defgroup FuncFloatViewSel Merit-based float view selection for branchers * * Contains merit-based view selection strategies on float * views that can be used together with the generic view/value * brancher classes. * * All merit-based float view selection classes require * \code #include <gecode/float/branch.hh> \endcode * \ingroup Other */
/** * \brief Merit class for mimimum * * Requires \code #include <gecode/float/branch.hh> \endcode * \ingroup FuncFloatViewSel */ class MeritMin : public MeritBase<FloatView,double> { public: /// Constructor for initialization MeritMin(Space& home, const VarBranch<Var>& vb); /// Constructor for cloning MeritMin(Space& home, MeritMin& m); /// Return minimum as merit for view \a x at position \a i double operator ()(const Space& home, FloatView x, int i); };
/** * \brief Merit class for maximum of float view * * Requires \code #include <gecode/float/branch.hh> \endcode * \ingroup FuncFloatViewSel */ class MeritMax : public MeritBase<FloatView,double> { public: /// Constructor for initialization MeritMax(Space& home, const VarBranch<Var>& vb); /// Constructor for cloning MeritMax(Space& home, MeritMax& m); /// Return maximum as merit for view \a x at position \a i double operator ()(const Space& home, FloatView x, int i); };
/** * \brief Merit class for size of float view * * Requires \code #include <gecode/float/branch.hh> \endcode * \ingroup FuncFloatViewSel */ class MeritSize : public MeritBase<FloatView,double> { public: /// Constructor for initialization MeritSize(Space& home, const VarBranch<Var>& vb); /// Constructor for cloning MeritSize(Space& home, MeritSize& m); /// Return size as merit for view \a x at position \a i double operator ()(const Space& home, FloatView x, int i); };
/** * \brief Merit class for degree over size * * Requires \code #include <gecode/float/branch.hh> \endcode * \ingroup FuncFloatViewSel */ class MeritDegreeSize : public MeritBase<FloatView,double> { public: /// Constructor for initialization MeritDegreeSize(Space& home, const VarBranch<Var>& vb); /// Constructor for cloning MeritDegreeSize(Space& home, MeritDegreeSize& m); /// Return degree over size as merit for view \a x at position \a i double operator ()(const Space& home, FloatView x, int i); };
/** * \brief Merit class for AFC over size * * Requires \code #include <gecode/float/branch.hh> \endcode * \ingroup FuncFloatViewSel */ class MeritAFCSize : public MeritBase<FloatView,double> { protected: /// AFC information AFC afc; public: /// Constructor for initialization MeritAFCSize(Space& home, const VarBranch<Var>& vb); /// Constructor for cloning MeritAFCSize(Space& home, MeritAFCSize& m); /// Return AFC over size as merit for view \a x at position \a i double operator ()(const Space& home, FloatView x, int i); /// Whether dispose must always be called (that is, notice is needed) bool notice(void) const; /// Dispose view selection void dispose(Space& home); };
/** * \brief Merit class for action over size * * Requires \code #include <gecode/float/branch.hh> \endcode * \ingroup FuncFloatViewSel */ class MeritActionSize : public MeritBase<FloatView,double> { protected: /// Action information Action action; public: /// Constructor for initialization MeritActionSize(Space& home, const VarBranch<Var>& vb); /// Constructor for cloning MeritActionSize(Space& home, MeritActionSize& m); /// Return action over size as merit for view \a x at position \a i double operator ()(const Space& home, FloatView x, int i); /// Whether dispose must always be called (that is, notice is needed) bool notice(void) const; /// Dispose view selection void dispose(Space& home); };
/** * \brief Merit class for CHB Q-score over size * * Requires \code #include <gecode/float/branch.hh> \endcode * \ingroup FuncFloatViewSel */ class MeritCHBSize : public MeritBase<FloatView,double> { protected: /// CHB information CHB chb; public: /// Constructor for initialization MeritCHBSize(Space& home, const VarBranch<Var>& vb); /// Constructor for cloning MeritCHBSize(Space& home, MeritCHBSize& m); /// Return CHB Q-score over size as merit for view \a x at position \a i double operator ()(const Space& home, FloatView x, int i); /// Whether dispose must always be called (that is, notice is needed) bool notice(void) const; /// Dispose view selection void dispose(Space& home); };
}}}
#include <gecode/float/branch/merit.hpp>
namespace Gecode { namespace Float { namespace Branch {
/// Return view selectors for float views GECODE_FLOAT_EXPORT ViewSel<FloatView>* viewsel(Space& home, const FloatVarBranch& fvb);
}}}
namespace Gecode { namespace Float { namespace Branch {
/** * \defgroup FuncFloatValSel Float value selection for brancher * * Contains a description of value selection strategies on float * views that can be used together with the generic view/value * branchers. * * All value selection classes require * \code #include <gecode/float/branch.hh> \endcode * \ingroup Other */
/** * \brief Value selection class for values smaller than median of view * * Requires \code #include <gecode/float/branch.hh> \endcode * \ingroup FuncFloatValSel */ class ValSelLq : public ValSel<FloatView,FloatNumBranch> { public: /// Constructor for initialization ValSelLq(Space& home, const ValBranch<Var>& vb); /// Constructor for cloning ValSelLq(Space& home, ValSelLq& vs); /// Return value of view \a x at position \a i FloatNumBranch val(const Space& home, FloatView x, int i); };
/** * \brief Value selection class for values smaller than median of view * * Requires \code #include <gecode/float/branch.hh> \endcode * \ingroup FuncFloatValSel */ class ValSelGq : public ValSel<FloatView,FloatNumBranch> { public: /// Constructor for initialization ValSelGq(Space& home, const ValBranch<Var>& vb); /// Constructor for cloning ValSelGq(Space& home, ValSelGq& vs); /// Return value of view \a x at position \a i FloatNumBranch val(const Space& home, FloatView x, int i); };
/** * \brief Value selection class for random value of view * * Requires \code #include <gecode/float/branch.hh> \endcode * \ingroup FuncFloatValSel */ class ValSelRnd : public ValSel<FloatView,FloatNumBranch> { protected: /// The used random number generator Rnd r; public: /// Constructor for initialization ValSelRnd(Space& home, const ValBranch<Var>& vb); /// Constructor for cloning ValSelRnd(Space& home, ValSelRnd& vs); /// Return value of view \a x at position \a i FloatNumBranch val(const Space& home, FloatView x, int i); /// Whether dispose must always be called (that is, notice is needed) bool notice(void) const; /// Delete value selection void dispose(Space& home); };
}}}
#include <gecode/float/branch/val-sel.hpp>
namespace Gecode { namespace Float { namespace Branch {
/** * \defgroup FuncFloatValCommit Float value commit classes * * Contains the value commit classes for float * views that can be used together with the generic view/value * branchers. * * All value commit classes require * \code #include <gecode/float/branch.hh> \endcode * \ingroup Other */
/** * \brief Value commit class for less or equal or greater or equal * * Requires \code #include <gecode/float/branch.hh> \endcode * \ingroup FuncFloatValCommit */ class ValCommitLqGq : public ValCommit<FloatView,FloatVal> { public: /// Constructor for initialization ValCommitLqGq(Space& home, const ValBranch<Var>& vb); /// Constructor for cloning ValCommitLqGq(Space& home, ValCommitLqGq& vc); /// Commit view \a x at position \a i to value \a n for alternative \a a ModEvent commit(Space& home, unsigned int a, FloatView x, int i, FloatNumBranch n); /// Create no-good literal for alternative \a a NGL* ngl(Space& home, unsigned int a, FloatView x, FloatNumBranch n) const; /// Print on \a o the alternative \a with view \a x at position \a i and value \a n void print(const Space& home, unsigned int a, FloatView x, int i, FloatNumBranch n, std::ostream& o) const; };
}}}
#include <gecode/float/branch/val-commit.hpp>
namespace Gecode { namespace Float { namespace Branch {
/// Return value and commit for float views GECODE_FLOAT_EXPORT ValSelCommitBase<FloatView,FloatNumBranch>* valselcommit(Space& home, const FloatValBranch& svb);
/// Return value and commit for float views GECODE_FLOAT_EXPORT ValSelCommitBase<FloatView,FloatNumBranch>* valselcommit(Space& home, const FloatAssign& ia);
}}}
#endif
// STATISTICS: float-branch