/usr/include/gecode/float/branch.hh is in libgecode-dev 4.4.0-5.
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/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
* Vincent Barichard <Vincent.Barichard@univ-angers.fr>
*
* Copyright:
* Christian Schulte, 2012
* Vincent Barichard, 2012
*
* Last modified:
* $Date: 2013-07-04 17:03:13 +0200 (Thu, 04 Jul 2013) $ by $Author: schulte $
* $Revision: 13801 $
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#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& vb);
/// Constructor for cloning
MeritMin(Space& home, bool shared, 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& vb);
/// Constructor for cloning
MeritMax(Space& home, bool shared, 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& vb);
/// Constructor for cloning
MeritSize(Space& home, bool shared, 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 size over degree
*
* 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& vb);
/// Constructor for cloning
MeritDegreeSize(Space& home, bool shared, MeritDegreeSize& m);
/// Return size over degree as merit for view \a x at position \a i
double operator ()(const Space& home, FloatView x, int i);
};
/**
* \brief Merit class for size over afc
*
* 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& vb);
/// Constructor for cloning
MeritAFCSize(Space& home, bool shared, MeritAFCSize& m);
/// Return size over AFC 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 size over activity
*
* Requires \code #include <gecode/float/branch.hh> \endcode
* \ingroup FuncFloatViewSel
*/
class MeritActivitySize : public MeritBase<FloatView,double> {
protected:
/// Activity information
Activity activity;
public:
/// Constructor for initialization
MeritActivitySize(Space& home, const VarBranch& vb);
/// Constructor for cloning
MeritActivitySize(Space& home, bool shared, MeritActivitySize& m);
/// Return size over activity 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& vb);
/// Constructor for cloning
ValSelLq(Space& home, bool shared, 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& vb);
/// Constructor for cloning
ValSelGq(Space& home, bool shared, 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& vb);
/// Constructor for cloning
ValSelRnd(Space& home, bool shared, 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& vb);
/// Constructor for cloning
ValCommitLqGq(Space& home, bool shared, 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
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