rel.hh

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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
 *  Main authors:
 *     Christian Schulte <schulte@gecode.org>
 *     Guido Tack <tack@gecode.org>
 *     Vincent Barichard <Vincent.Barichard@univ-angers.fr>
 *
 *  Contributing authors:
 *     Gabor Szokoli <szokoli@gecode.org>
 *
 *  Copyright:
 *     Christian Schulte, 2002
 *     Guido Tack, 2004
 *     Gabor Szokoli, 2003
 *     Vincent Barichard, 2012
 *
 *  Last modified:
 *     $Date: 2012-12-13 16:02:59 +0100 (Thu, 13 Dec 2012) $ by $Author: vbarichard $
 *     $Revision: 13202 $
 *
 *  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
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 */

#ifndef __GECODE_FLOAT_REL_HH__
#define __GECODE_FLOAT_REL_HH__

#include <gecode/int.hh>
#include <gecode/float.hh>

namespace Gecode { namespace Float { namespace Rel {

  /*
   * Equality propagators
   *
   */

  template<class View0, class View1>
  class Eq :
    public MixBinaryPropagator<View0,PC_FLOAT_BND,View1,PC_FLOAT_BND> {
  protected:
    using MixBinaryPropagator<View0,PC_FLOAT_BND,View1,PC_FLOAT_BND>::x0;
    using MixBinaryPropagator<View0,PC_FLOAT_BND,View1,PC_FLOAT_BND>::x1;

    Eq(Space& home, bool share, Eq<View0,View1>& p);
  public:
    Eq(Home home, View0 x0, View1 x1);
    Eq(Space& home, bool share, Propagator& p, View0 x0, View1 x1);
    virtual Actor* copy(Space& home, bool share);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static  ExecStatus post(Home home, View0 x0, View1 x1);
  };

  template<class View>
  class NaryEq : public NaryPropagator<View,PC_FLOAT_BND> {
  protected:
    using NaryPropagator<View,PC_FLOAT_BND>::x;

    NaryEq(Space& home, bool share, NaryEq<View>& p);
    NaryEq(Home home, ViewArray<View>&);
  public:
    virtual Actor* copy(Space& home, bool share);
    virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static  ExecStatus post(Home home, ViewArray<View>& x);
  };

  template<class View, class CtrlView, ReifyMode rm>
  class ReEq : public Int::ReBinaryPropagator<View,PC_FLOAT_BND,CtrlView> {
  protected:
    using Int::ReBinaryPropagator<View,PC_FLOAT_BND,CtrlView>::x0;
    using Int::ReBinaryPropagator<View,PC_FLOAT_BND,CtrlView>::x1;
    using Int::ReBinaryPropagator<View,PC_FLOAT_BND,CtrlView>::b;

    ReEq(Space& home, bool share, ReEq& p);
    ReEq(Home home, View x0, View x1, CtrlView b);
  public:
    virtual Actor*     copy(Space& home, bool share);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static  ExecStatus post(Home home, View x0, View x1, CtrlView b);
  };

  template<class View, class CtrlView, ReifyMode rm>
  class ReEqFloat : public Int::ReUnaryPropagator<View,PC_FLOAT_BND,CtrlView> {
  protected:
    using Int::ReUnaryPropagator<View,PC_FLOAT_BND,CtrlView>::x0;
    using Int::ReUnaryPropagator<View,PC_FLOAT_BND,CtrlView>::b;

    FloatVal c;
    ReEqFloat(Space& home, bool share, ReEqFloat& p);
    ReEqFloat(Home home, View x, FloatVal c, CtrlView b);
  public:
    virtual Actor* copy(Space& home, bool share);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static  ExecStatus post(Home home, View x, FloatVal c, CtrlView b);
  };


  template<class View0, class View1>
  class Nq :
    public MixBinaryPropagator<View0,PC_FLOAT_VAL,View1,PC_FLOAT_VAL> {
  protected:
    using MixBinaryPropagator<View0,PC_FLOAT_VAL,View1,PC_FLOAT_VAL>::x0;
    using MixBinaryPropagator<View0,PC_FLOAT_VAL,View1,PC_FLOAT_VAL>::x1;

    Nq(Space& home, bool share, Nq<View0,View1>& p);
  public:
    Nq(Home home, View0 x0, View1 x1);
    Nq(Space& home, bool share, Propagator& p, View0 x0, View1 x1);
    virtual Actor* copy(Space& home, bool share);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static  ExecStatus post(Home home, View0 x0, View1 x1);
  };

  template<class View>
  class NqFloat :
    public UnaryPropagator<View,PC_FLOAT_VAL> {
  protected:
    using UnaryPropagator<View,PC_FLOAT_VAL>::x0;

    FloatVal c;
    NqFloat(Space& home, bool share, NqFloat<View>& p);
  public:
    NqFloat(Home home, View x, FloatVal c);
    virtual Actor* copy(Space& home, bool share);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static  ExecStatus post(Home home, View x0, FloatVal c);
  };


  /*
   * Order propagators
   *
   */

  template<class View>
  class Lq : public BinaryPropagator<View,PC_FLOAT_BND> {
  protected:
    using BinaryPropagator<View,PC_FLOAT_BND>::x0;
    using BinaryPropagator<View,PC_FLOAT_BND>::x1;

    Lq(Space& home, bool share, Lq& p);
    Lq(Home home, View x0, View x1);
  public:
    virtual Actor*     copy(Space& home, bool share);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static  ExecStatus post(Home home, View x0, View x1);
  };

  template<class View>
  class Le : public BinaryPropagator<View,PC_FLOAT_BND> {
  protected:
    using BinaryPropagator<View,PC_FLOAT_BND>::x0;
    using BinaryPropagator<View,PC_FLOAT_BND>::x1;

    Le(Space& home, bool share, Le& p);
    Le(Home home, View x0, View x1);
  public:
    virtual Actor*     copy(Space& home, bool share);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static  ExecStatus post(Home home, View x0, View x1);
  };

  /*
   * Reified order propagators
   *
   */

  template<class View, class CtrlView, ReifyMode rm>
  class ReLqFloat : public Int::ReUnaryPropagator<View,PC_FLOAT_BND,CtrlView> {
  protected:
    using Int::ReUnaryPropagator<View,PC_FLOAT_BND,CtrlView>::x0;
    using Int::ReUnaryPropagator<View,PC_FLOAT_BND,CtrlView>::b;

    FloatVal c;
    ReLqFloat(Space& home, bool share, ReLqFloat& p);
    ReLqFloat(Home home, View x, FloatVal c, CtrlView b);
  public:
    virtual Actor* copy(Space& home, bool share);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static  ExecStatus post(Home home, View x, FloatVal c, CtrlView b);
   };

  template<class View, class CtrlView, ReifyMode rm>
  class ReLeFloat : public Int::ReUnaryPropagator<View,PC_FLOAT_BND,CtrlView> {
  protected:
    using Int::ReUnaryPropagator<View,PC_FLOAT_BND,CtrlView>::x0;
    using Int::ReUnaryPropagator<View,PC_FLOAT_BND,CtrlView>::b;

    FloatVal c;
    ReLeFloat(Space& home, bool share, ReLeFloat& p);
    ReLeFloat(Home home, View x, FloatVal c, CtrlView b);
  public:
    virtual Actor* copy(Space& home, bool share);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static  ExecStatus post(Home home, View x, FloatVal c, CtrlView b);
   };

  template<class View, class CtrlView, ReifyMode rm>
  class ReLq : public Int::ReBinaryPropagator<View,PC_FLOAT_BND,CtrlView> {
  protected:
    using Int::ReBinaryPropagator<View,PC_FLOAT_BND,CtrlView>::x0;
    using Int::ReBinaryPropagator<View,PC_FLOAT_BND,CtrlView>::x1;
    using Int::ReBinaryPropagator<View,PC_FLOAT_BND,CtrlView>::b;

    ReLq(Space& home, bool share, ReLq& p);
    ReLq(Home home, View x0, View x1, CtrlView b);
  public:
    virtual Actor* copy(Space& home, bool share);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static  ExecStatus post(Home home, View x0, View x1, CtrlView b);
  };

}}}

#include <gecode/float/rel/eq.hpp>
#include <gecode/float/rel/nq.hpp>
#include <gecode/float/rel/lq-le.hpp>

#endif


// STATISTICS: float-prop