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bool.hh

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Christian Schulte <schulte@gecode.org>
00005  *     Guido Tack <tack@gecode.org>
00006  *
00007  *  Copyright:
00008  *     Christian Schulte, 2002
00009  *     Guido Tack, 2004
00010  *
00011  *  Last modified:
00012  *     $Date: 2009-10-12 17:36:53 +0200 (Mon, 12 Oct 2009) $ by $Author: schulte $
00013  *     $Revision: 9878 $
00014  *
00015  *  This file is part of Gecode, the generic constraint
00016  *  development environment:
00017  *     http://www.gecode.org
00018  *
00019  *  Permission is hereby granted, free of charge, to any person obtaining
00020  *  a copy of this software and associated documentation files (the
00021  *  "Software"), to deal in the Software without restriction, including
00022  *  without limitation the rights to use, copy, modify, merge, publish,
00023  *  distribute, sublicense, and/or sell copies of the Software, and to
00024  *  permit persons to whom the Software is furnished to do so, subject to
00025  *  the following conditions:
00026  *
00027  *  The above copyright notice and this permission notice shall be
00028  *  included in all copies or substantial portions of the Software.
00029  *
00030  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00031  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00032  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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00034  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00035  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00036  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00037  *
00038  */
00039 
00040 #ifndef __GECODE_INT_BOOL_HH__
00041 #define __GECODE_INT_BOOL_HH__
00042 
00043 #include <gecode/int.hh>
00044 
00050 namespace Gecode { namespace Int { namespace Bool {
00051 
00052   /*
00053    * Base Classes
00054    *
00055    */
00056 
00058   template<class BVA, class BVB>
00059   class BoolBinary : public Propagator {
00060   protected:
00061     BVA x0; 
00062     BVB x1; 
00063 
00064     BoolBinary(Home home, BVA b0, BVB b1);
00066     BoolBinary(Space& home, bool share, BoolBinary& p);
00068     BoolBinary(Space& home, bool share, Propagator& p,
00069                BVA b0, BVB b1);
00070   public:
00072     virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
00074     virtual size_t dispose(Space& home);
00075   };
00076 
00078   template<class BVA, class BVB, class BVC>
00079   class BoolTernary : public Propagator {
00080   protected:
00081     BVA x0; 
00082     BVB x1; 
00083     BVC x2; 
00084 
00085     BoolTernary(Home home, BVA b0, BVB b1, BVC b2);
00087     BoolTernary(Space& home, bool share, BoolTernary& p);
00088   public:
00090     BoolTernary(Space& home, bool share, Propagator& p,
00091                 BVA b0, BVB b1, BVC b2);
00093     virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
00095     virtual size_t dispose(Space& home);
00096   };
00097 
00104   template<class BVA, class BVB>
00105   class Eq : public BoolBinary<BVA,BVB> {
00106   protected:
00107     using BoolBinary<BVA,BVB>::x0;
00108     using BoolBinary<BVA,BVB>::x1;
00110     Eq(Home home, BVA b0, BVB b1);
00112     Eq(Space& home, bool share, Eq& p);
00113   public:
00115     Eq(Space& home, bool share, Propagator& p,
00116        BVA b0, BVB b1);
00118     virtual Actor* copy(Space& home, bool share);
00120     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00122     static  ExecStatus post(Home home, BVA x0, BVB x1);
00123   };
00124 
00125 
00132   template<class BV>
00133   class NaryEq : public NaryPropagator<BV,PC_BOOL_VAL> {
00134   protected:
00135     using NaryPropagator<BV,PC_BOOL_VAL>::x;
00137     NaryEq(Home home, ViewArray<BV>& x);
00139     NaryEq(Space& home, bool share, NaryEq& p);
00140   public:
00142     virtual Actor* copy(Space& home, bool share);
00144     virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
00146     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00148     static  ExecStatus post(Home home, ViewArray<BV>& x);
00149   };
00150 
00151 
00158   template<class BV>
00159   class Lq : public BoolBinary<BV,BV> {
00160   protected:
00161     using BoolBinary<BV,BV>::x0;
00162     using BoolBinary<BV,BV>::x1;
00164     Lq(Home home, BV b0, BV b1);
00166     Lq(Space& home, bool share, Lq& p);
00167   public:
00169     virtual Actor* copy(Space& home, bool share);
00171     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00173     static  ExecStatus post(Home home, BV b0, BV b1);
00174   };
00175 
00176 
00183   template<class BV>
00184   class Le {
00185   public:
00187     static  ExecStatus post(Home home, BV b0, BV b1);
00188   };
00189 
00190 
00197   template<class BVA, class BVB>
00198   class BinOrTrue : public BoolBinary<BVA,BVB> {
00199   protected:
00200     using BoolBinary<BVA,BVB>::x0;
00201     using BoolBinary<BVA,BVB>::x1;
00203     BinOrTrue(Home home, BVA b0, BVB b1);
00205     BinOrTrue(Space& home, bool share, BinOrTrue& p);
00206   public:
00208     BinOrTrue(Space& home, bool share, Propagator& p,
00209               BVA b0, BVB b1);
00211     virtual Actor* copy(Space& home, bool share);
00213     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00215     static  ExecStatus post(Home home, BVA b0, BVB b1);
00216   };
00217 
00224   template<class BV>
00225   class TerOrTrue : public BoolBinary<BV,BV> {
00226   protected:
00227     using BoolBinary<BV,BV>::x0;
00228     using BoolBinary<BV,BV>::x1;
00230     BV x2;
00232     TerOrTrue(Home home, BV b0, BV b1, BV b2);
00234     TerOrTrue(Space& home, bool share, TerOrTrue& p);
00235   public:
00237     TerOrTrue(Space& home, bool share, Propagator& p,
00238               BV b0, BV b1, BV b2);
00240     virtual Actor* copy(Space& home, bool share);
00242     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00244     static  ExecStatus post(Home home, BV b0, BV b1, BV b2);
00246     virtual size_t dispose(Space& home);
00247   };
00248 
00255   template<class BV>
00256   class QuadOrTrue : public BoolBinary<BV,BV> {
00257   protected:
00258     using BoolBinary<BV,BV>::x0;
00259     using BoolBinary<BV,BV>::x1;
00261     BV x2;
00263     BV x3;
00265     QuadOrTrue(Home home, BV b0, BV b1, BV b2, BV b3);
00267     QuadOrTrue(Space& home, bool share, QuadOrTrue& p);
00268   public:
00270     QuadOrTrue(Space& home, bool share, Propagator& p,
00271                BV b0, BV b1, BV b2, BV b3);
00273     virtual Actor* copy(Space& home, bool share);
00275     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00277     static  ExecStatus post(Home home, BV b0, BV b1, BV b2, BV b3);
00279     virtual size_t dispose(Space& home);
00280   };
00281 
00288   template<class BVA, class BVB, class BVC>
00289   class Or : public BoolTernary<BVA,BVB,BVC> {
00290   protected:
00291     using BoolTernary<BVA,BVB,BVC>::x0;
00292     using BoolTernary<BVA,BVB,BVC>::x1;
00293     using BoolTernary<BVA,BVB,BVC>::x2;
00295     Or(Home home, BVA b0, BVB b1, BVC b2);
00297     Or(Space& home, bool share, Or& p);
00298   public:
00300     Or(Space& home, bool share, Propagator& p, BVA b0, BVB b1, BVC b2);
00302     virtual Actor* copy(Space& home, bool share);
00304     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00306     static  ExecStatus post(Home home, BVA b0, BVB b1, BVC b2);
00307   };
00308 
00315   template<class VX,class VY>
00316   class NaryOr
00317     : public MixNaryOnePropagator<VX,PC_BOOL_NONE,VY,PC_BOOL_VAL> {
00318   protected:
00319     using MixNaryOnePropagator<VX,PC_BOOL_NONE,VY,PC_BOOL_VAL>::x;
00320     using MixNaryOnePropagator<VX,PC_BOOL_NONE,VY,PC_BOOL_VAL>::y;
00322     int n_zero;
00324     Council<Advisor> c;
00326     NaryOr(Home home,  ViewArray<VX>& x, VY y);
00328     NaryOr(Space& home, bool share, NaryOr<VX,VY>& p);
00329   public:
00331     virtual Actor* copy(Space& home, bool share);
00333     virtual ExecStatus advise(Space& home, Advisor& a, const Delta& d);
00335     virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
00337     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00339     static  ExecStatus post(Home home, ViewArray<VX>& x, VY y);
00341     virtual size_t dispose(Space& home);
00342   };
00343 
00344 
00351   template<class BV>
00352   class NaryOrTrue : public BinaryPropagator<BV,PC_BOOL_VAL> {
00353   protected:
00354     using BinaryPropagator<BV,PC_BOOL_VAL>::x0;
00355     using BinaryPropagator<BV,PC_BOOL_VAL>::x1;
00357     ViewArray<BV> x;
00359     ExecStatus resubscribe(Space& home, BV& x0, BV x1);
00361     NaryOrTrue(Home home, ViewArray<BV>& x);
00363     NaryOrTrue(Space& home, bool share, NaryOrTrue<BV>& p);
00364   public:
00366     virtual Actor* copy(Space& home, bool share);
00368     virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
00370     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00372     static  ExecStatus post(Home home, ViewArray<BV>& b);
00374     virtual size_t dispose(Space& home);
00375   };
00376 
00377 
00384   template<class BVA, class BVB, class BVC>
00385   class Eqv : public BoolTernary<BVA,BVB,BVC> {
00386   protected:
00387     using BoolTernary<BVA,BVB,BVC>::x0;
00388     using BoolTernary<BVA,BVB,BVC>::x1;
00389     using BoolTernary<BVA,BVB,BVC>::x2;
00391     Eqv(Space& home, bool share, Eqv& p);
00393     Eqv(Home home, BVA b0 ,BVB b1, BVC b2);
00394   public:
00396     virtual Actor* copy(Space& home, bool share);
00398     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00400     static  ExecStatus post(Home home, BVA b0, BVB b1, BVC b2);
00401   };
00402 
00403 
00410   template<class VX, class VY>
00411   class Clause : public Propagator {
00412   protected:
00414     ViewArray<VX> x;
00416     ViewArray<VY> y;
00418     VX z;
00420     int n_zero;
00422     class Tagged : public Advisor {
00423     public:
00425       const bool x;
00427       Tagged(Space& home, Propagator& p, Council<Tagged>& c, bool x);
00429       Tagged(Space& home, bool share, Tagged& a);
00430     };
00432     Council<Tagged> c;
00434     void cancel(Space& home);
00436     Clause(Home home,  ViewArray<VX>& x, ViewArray<VY>& y, VX z);
00438     Clause(Space& home, bool share, Clause<VX,VY>& p);
00439   public:
00441     virtual Actor* copy(Space& home, bool share);
00443     virtual ExecStatus advise(Space& home, Advisor& a, const Delta& d);
00445     virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
00447     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00449     static  ExecStatus post(Home home, ViewArray<VX>& x, ViewArray<VY>& y,
00450                             VX z);
00452     virtual size_t dispose(Space& home);
00453   };
00454 
00455 
00462   template<class VX, class VY>
00463   class ClauseTrue
00464     : public MixBinaryPropagator<VX,PC_BOOL_VAL,VY,PC_BOOL_VAL> {
00465   protected:
00466     using MixBinaryPropagator<VX,PC_BOOL_VAL,VY,PC_BOOL_VAL>::x0;
00467     using MixBinaryPropagator<VX,PC_BOOL_VAL,VY,PC_BOOL_VAL>::x1;
00469     ViewArray<VX> x;
00471     ViewArray<VY> y;
00473     ClauseTrue(Home home, ViewArray<VX>& x, ViewArray<VY>& y);
00475     ClauseTrue(Space& home, bool share, ClauseTrue<VX,VY>& p);
00476   public:
00478     virtual Actor* copy(Space& home, bool share);
00480     virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
00482     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00484     static  ExecStatus post(Home home, ViewArray<VX>& x, ViewArray<VY>& y);
00486     virtual size_t dispose(Space& home);
00487   };
00488 
00489 
00490 }}}
00491 
00492 #include <gecode/int/bool/base.hpp>
00493 #include <gecode/int/bool/eq.hpp>
00494 #include <gecode/int/bool/lq.hpp>
00495 #include <gecode/int/bool/or.hpp>
00496 #include <gecode/int/bool/eqv.hpp>
00497 #include <gecode/int/bool/clause.hpp>
00498 
00499 #endif
00500 
00501 // STATISTICS: int-prop
00502