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/****   , [ Implicative.hh ], 
Copyright (c) 2008 Universite d'Orleans - Jeremie Vautard 

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
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 *************************************************************************/
#ifndef __QECODE_IMPLICATIVEOPT__
#define __QECODE_IMPLICATIVEOPT__

#include "myspace.hh"
#include "vartype.hh"
#include "OptVar.hh"
#include <vector>


using namespace std;
class QECODE_VTABLE_EXPORT Implicative {
    friend class valueHeuristic;
    friend class QSolverOpt;
private:
    struct Opts {
        vector<OptVar*> vars; // Several Optvars in universal scopes, one in existential ones
        int opt_type;        // Used in existential scopes : 0 for ANY, 1 for MIN, 2 for MAX.
    };
    
    int n;
    int nbSpaces;
    void** v;
    VarType* type_of_v;
    
    bool* Quantifiers;
    MySpace** rules;
    MySpace* goal;
    Opts* optim;
    int* nbVarBySpace;
    int* whichSpaceOwns;
    bool* varInitialised;
    
    int currentDeclareSpace;
    
public:
    QECODE_EXPORT int nv() {return n;}
    
    QECODE_EXPORT Implicative(int ns, bool* quant,int* nv);
    QECODE_EXPORT ~Implicative();
    
    QECODE_EXPORT void QIntVar(int var,int min,int max);
    
    QECODE_EXPORT void QIntVar(int var,IntSet dom);
    
    QECODE_EXPORT void QBoolVar(int var);
    
    QECODE_EXPORT MySpace* space();
    
    QECODE_EXPORT IntVar var(int n);

    QECODE_EXPORT BoolVar bvar(int n);

    QECODE_EXPORT int nextScope();

    QECODE_EXPORT void makeStructure();

    QECODE_EXPORT OptVar* getAggregate(int scope, OptVar* opt, Aggregator* agg);

    QECODE_EXPORT OptVar* getExistential(int var);
    
    QECODE_EXPORT void optimize(int scope, int optType, OptVar* var);
//    QECODE_EXPORT void print();
    
    QECODE_EXPORT bool qt_of_var(int v); 
    QECODE_EXPORT bool quantification(int scope) {return Quantifiers[scope];} 
    QECODE_EXPORT int spaces(); 
    QECODE_EXPORT int nbVarInScope(int scope) {return nbVarBySpace[scope];}
    QECODE_EXPORT MySpace* getSpace(int scope);
    QECODE_EXPORT MySpace* getGoal();
    QECODE_EXPORT int getOptType(int scope); 
    QECODE_EXPORT OptVar* getOptVar(int scope);
};
    
#endif

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