/usr/include/gecode/float/arithmetic.hh is in libgecode-dev 4.4.0-5.
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/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
* Guido Tack <tack@gecode.org>
* Vincent Barichard <Vincent.Barichard@univ-angers.fr>
*
* Copyright:
* Christian Schulte, 2002
* Guido Tack, 2004
* Vincent Barichard, 2012
*
* Last modified:
* $Date: 2013-02-14 16:29:11 +0100 (Thu, 14 Feb 2013) $ by $Author: schulte $
* $Revision: 13292 $
*
* 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_ARITHMETIC_HH__
#define __GECODE_FLOAT_ARITHMETIC_HH__
#include <gecode/int.hh>
#include <gecode/float.hh>
#include <gecode/float/rel.hh>
/**
* \namespace Gecode::Float::Arithmetic
* \brief %Arithmetic propagators
*/
namespace Gecode { namespace Float { namespace Arithmetic {
/**
* \brief Bounds consistent positive square propagator
*
* This propagator provides multiplication for positive views only.
*/
template<class VA, class VB>
class SqrPlus : public MixBinaryPropagator<VA,PC_FLOAT_BND,VB,PC_FLOAT_BND> {
protected:
using MixBinaryPropagator<VA,PC_FLOAT_BND,VB,PC_FLOAT_BND>::x0;
using MixBinaryPropagator<VA,PC_FLOAT_BND,VB,PC_FLOAT_BND>::x1;
/// Constructor for posting
SqrPlus(Home home, VA x0, VB x1);
/// Constructor for cloning \a p
SqrPlus(Space& home, bool share, SqrPlus<VA,VB>& p);
public:
/// Post propagator \f$x_0\cdot x_0=x_1\f$
static ExecStatus post(Home home, VA x0, VB x1);
/// Copy propagator during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
};
/**
* \brief %Propagator for bounds consistent square operator
*
* Requires \code #include <gecode/float/arithmetic.hh> \endcode
* \ingroup FuncFloatProp
*/
template<class View>
class Sqr : public BinaryPropagator<View,PC_FLOAT_BND> {
protected:
using BinaryPropagator<View,PC_FLOAT_BND>::x0;
using BinaryPropagator<View,PC_FLOAT_BND>::x1;
/// Constructor for cloning \a p
Sqr(Space& home, bool share, Sqr& p);
/// Constructor for creation
Sqr(Home home, View x0, View x1);
public:
/// Create copy during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
/// Post propagator for \f$x_0^2 = x_1\f$
static ExecStatus post(Home home, View x0, View x1);
};
/**
* \brief %Propagator for bounds consistent square root operator
*
* The types \a A and \a B give the types of the views.
*
* Requires \code #include <gecode/float/arithmetic.hh> \endcode
* \ingroup FuncFloatProp
*/
template<class A, class B>
class Sqrt : public MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND> {
protected:
using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x0;
using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x1;
/// Constructor for cloning \a p
Sqrt(Space& home, bool share, Sqrt& p);
/// Constructor for creation
Sqrt(Home home, A x0, B x1);
public:
/// Create copy during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
/// Post propagator for \f$x_0^2 = x_1\f$
static ExecStatus post(Home home, A x0, B x1);
};
/**
* \brief %Propagator for bounds consistent absolute operator
*
* The types \a A and \a B give the types of the views.
*
* Requires \code #include <gecode/float/arithmetic.hh> \endcode
* \ingroup FuncFloatProp
*/
template<class A, class B>
class Abs : public MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND> {
protected:
using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x0;
using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x1;
/// Constructor for cloning \a p
Abs(Space& home, bool share, Abs& p);
/// Constructor for creation
Abs(Home home, A x0, B x1);
public:
/// Constructor for rewriting \a p during cloning
Abs(Space& home, bool share, Propagator& p, A x0, B x1);
/// Create copy during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
/// Post propagator for \f$ |x_0| = x_1\f$
static ExecStatus post(Home home, A x0, B x1);
};
/**
* \brief %Propagator for bounds consistent pow operator
*
* The types \a A and \a B give the types of the views.
*
* Requires \code #include <gecode/float/arithmetic.hh> \endcode
* \ingroup FuncFloatProp
*/
template<class A, class B>
class Pow : public MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND> {
protected:
using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x0;
using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x1;
int m_n;
/// Constructor for cloning \a p
Pow(Space& home, bool share, Pow& p);
/// Constructor for creation
Pow(Home home, A x0, B x1, int n);
public:
/// Create copy during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
/// Post propagator for \f$x_0^n = x_1\f$
static ExecStatus post(Home home, A x0, B x1, int n);
};
/**
* \brief %Propagator for bounds consistent nth root operator
*
* The types \a A and \a B give the types of the views.
*
* Requires \code #include <gecode/float/arithmetic.hh> \endcode
* \ingroup FuncFloatProp
*/
template<class A, class B>
class NthRoot : public MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND> {
protected:
using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x0;
using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x1;
int m_n;
/// Constructor for cloning \a p
NthRoot(Space& home, bool share, NthRoot& p);
/// Constructor for creation
NthRoot(Home home, A x0, B x1, int n);
public:
/// Create copy during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
/// Post propagator for \f$x_0^(1/n) = x_1\f$
static ExecStatus post(Home home, A x0, B x1, int n);
};
/**
* \brief Bounds or domain consistent propagator for \f$x_0\times x_1=x_0\f$
*
* Requires \code #include <gecode/float/arithmetic.hh> \endcode
* \ingroup FuncFloatProp
*/
template<class View>
class MultZeroOne : public BinaryPropagator<View,PC_FLOAT_BND> {
protected:
using BinaryPropagator<View,PC_FLOAT_BND>::x0;
using BinaryPropagator<View,PC_FLOAT_BND>::x1;
/// Constructor for cloning \a p
MultZeroOne(Space& home, bool share, MultZeroOne<View>& p);
/// Constructor for posting
MultZeroOne(Home home, View x0, View x1);
public:
/// Copy propagator during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
/// Post propagator \f$x_0\cdot x_1=x_0\f$
static ExecStatus post(Home home, View x0, View x1);
};
/**
* \brief Bounds consistent positive multiplication propagator
*
* This propagator provides multiplication for positive views only.
*/
template<class VA, class VB, class VC>
class MultPlus :
public MixTernaryPropagator<VA,PC_FLOAT_BND,VB,PC_FLOAT_BND,VC,PC_FLOAT_BND> {
protected:
using MixTernaryPropagator<VA,PC_FLOAT_BND,VB,PC_FLOAT_BND,VC,PC_FLOAT_BND>::x0;
using MixTernaryPropagator<VA,PC_FLOAT_BND,VB,PC_FLOAT_BND,VC,PC_FLOAT_BND>::x1;
using MixTernaryPropagator<VA,PC_FLOAT_BND,VB,PC_FLOAT_BND,VC,PC_FLOAT_BND>::x2;
public:
/// Constructor for posting
MultPlus(Home home, VA x0, VB x1, VC x2);
/// Constructor for cloning \a p
MultPlus(Space& home, bool share, MultPlus<VA,VB,VC>& p);
/// Post propagator \f$x_0\cdot x_1=x_2\f$
static ExecStatus post(Home home, VA x0, VB x1, VC x2);
/// Copy propagator during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
};
/**
* \brief Bounds consistent multiplication propagator
*
* Requires \code #include <gecode/float/arithmetic.hh> \endcode
*
* \ingroup FuncFloatProp
*/
template<class View>
class Mult : public TernaryPropagator<View,PC_FLOAT_BND> {
protected:
using TernaryPropagator<View,PC_FLOAT_BND>::x0;
using TernaryPropagator<View,PC_FLOAT_BND>::x1;
using TernaryPropagator<View,PC_FLOAT_BND>::x2;
/// Constructor for cloning \a p
Mult(Space& home, bool share, Mult<View>& p);
public:
/// Constructor for posting
Mult(Home home, View x0, View x1, View x2);
/// Post propagator \f$x_0\cdot x_1=x_2\f$
static ExecStatus post(Home home, View x0, View x1, View x2);
/// Copy propagator during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
};
/**
* \brief %Propagator for bounds multiplication operator
*
* The types \a A, \a B and \a C give the types of the views.
*
* Requires \code #include <gecode/float/arithmetic.hh> \endcode
* \ingroup FuncFloatProp
*/
/*
template<class A, class B, class C>
class Mult : public MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND> {
protected:
using MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND>::x0;
using MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND>::x1;
using MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND>::x2;
/// Constructor for cloning \a p
Mult(Space& home, bool share, Mult& p);
/// Constructor for creation
Mult(Home home, A x0, B x1, C x2);
public:
/// Create copy during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
/// Post propagator for \f$ x_0 * x_1 = x_2\f$
static ExecStatus post(Home home, A x0, B x1, C x2);
};
*/
/**
* \brief %Propagator for bounds division operator
*
* The types \a A, \a B and \a C give the types of the views.
*
* Requires \code #include <gecode/float/arithmetic.hh> \endcode
* \ingroup FuncFloatProp
*/
template<class A, class B, class C>
class Div : public MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND> {
protected:
using MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND>::x0;
using MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND>::x1;
using MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND>::x2;
/// Constructor for cloning \a p
Div(Space& home, bool share, Div& p);
/// Constructor for creation
Div(Home home, A x0, B x1, C x2);
public:
/// Create copy during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
/// Post propagator for \f$ x_0 / x_1 = x_2\f$
static ExecStatus post(Home home, A x0, B x1, C x2);
};
/**
* \brief %Propagator for bounds consistent min operator
*
* The types \a A, \a B and \a C give the types of the views.
*
* Requires \code #include <gecode/float/arithmetic.hh> \endcode
* \ingroup FuncFloatProp
*/
template<class A, class B, class C>
class Min : public MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND> {
protected:
using MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND>::x0;
using MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND>::x1;
using MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND>::x2;
/// Constructor for cloning \a p
Min(Space& home, bool share, Min& p);
/// Constructor for creation
Min(Home home, A x0, B x1, C x2);
public:
/// Constructor for rewriting \a p during cloning
Min(Space& home, bool share, Propagator& p, A x0, B x1, C x2);
/// Create copy during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
/// Post propagator for \f$ min(x_0, x_1) = x_2\f$
static ExecStatus post(Home home, A x0, B x1, C x2);
};
/**
* \brief %Propagator for bounds consistent max operator
*
* The types \a A, \a B and \a C give the types of the views.
*
* Requires \code #include <gecode/float/arithmetic.hh> \endcode
* \ingroup FuncFloatProp
*/
template<class A, class B, class C>
class Max : public MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND> {
protected:
using MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND>::x0;
using MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND>::x1;
using MixTernaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND,C,PC_FLOAT_BND>::x2;
/// Constructor for cloning \a p
Max(Space& home, bool share, Max& p);
/// Constructor for creation
Max(Home home, A x0, B x1, C x2);
public:
/// Constructor for rewriting \a p during cloning
Max(Space& home, bool share, Propagator& p, A x0, B x1, C x2);
/// Create copy during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
/// Post propagator for \f$ max(x_0, x_1) = x_2\f$
static ExecStatus post(Home home, A x0, B x1, C x2);
};
/**
* \brief Bounds consistent n-ary maximum propagator
*
* Requires \code #include <gecode/float/arithmetic.hh> \endcode
* \ingroup FuncFloatProp
*/
template<class View>
class NaryMax : public NaryOnePropagator<View,PC_FLOAT_BND> {
protected:
using NaryOnePropagator<View,PC_FLOAT_BND>::x;
using NaryOnePropagator<View,PC_FLOAT_BND>::y;
/// Constructor for cloning \a p
NaryMax(Space& home, bool share, NaryMax& p);
/// Constructor for posting
NaryMax(Home home, ViewArray<View>& x, View y);
public:
/// Copy propagator during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
/// Post propagator \f$ \max x=y\f$
static ExecStatus post(Home home, ViewArray<View>& x, View y);
};
/**
* \brief %Propagator for bounds consistent integer part operator
*
* Requires \code #include <gecode/float/arithmetic.hh> \endcode
* \ingroup FuncFloatProp
*/
template<class A, class B>
class Channel :
public MixBinaryPropagator<A,PC_FLOAT_BND,B,Gecode::Int::PC_INT_BND> {
protected:
using MixBinaryPropagator<A,PC_FLOAT_BND,B,Gecode::Int::PC_INT_BND>::x0;
using MixBinaryPropagator<A,PC_FLOAT_BND,B,Gecode::Int::PC_INT_BND>::x1;
/// Constructor for cloning \a p
Channel(Space& home, bool share, Channel& p);
/// Constructor for creation
Channel(Home home, A x0, B x1);
public:
/// Create copy during cloning
virtual Actor* copy(Space& home, bool share);
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
/// Post propagator for \f$ int(x_0) = x_1\f$
static ExecStatus post(Home home, A x0, B x1);
};
}}}
#include <gecode/float/arithmetic/sqr-sqrt-abs.hpp>
#include <gecode/float/arithmetic/pow-nroot.hpp>
#include <gecode/float/arithmetic/mult.hpp>
#include <gecode/float/arithmetic/div.hpp>
#include <gecode/float/arithmetic/min-max-channel.hpp>
#endif
// STATISTICS: float-prop
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