HasCacBDD-0.1.0.0: cpp/BDDNode.h

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/*****************************************************************************
written by
   Guanfeng Lv, last updated 10/26/2012
*****************************************************************************/

#ifndef _BDDNODE_
#define _BDDNODE_

#include "Manager.h"

class BDD{
private:
	    friend class XManager;
        friend class XBDDManager;
		DD node;
		XManager *mgr;
public:
		BDD(XManager *m, DD vNode);
		BDD(const BDD &right);
		BDD();
	    ~BDD();

		inline XManager *checkSameManager( const BDD &other) const;
		bool operator==(const BDD& other) const;
		bool operator!=(const BDD& other) const;
		BDD& operator=(const BDD& right);
		BDD  operator!() const;  // Not
		BDD  operator+(const BDD& other) const; // Or
		BDD  operator*(const BDD& other) const; // And
		BDD  operator^(const BDD& other) const; // Xor
		BDD  operator<(const BDD& other) const; // Less than
		BDD  operator>(const BDD& other) const; // More than
		BDD  operator<=(const BDD& other) const;// Less equal
		BDD  operator>=(const BDD& other) const;// More equal
		BDD  operator%(const BDD& other) const; // Nor
		BDD  operator|(const BDD& other) const; // Nand
		BDD  operator&(const BDD& other) const; // XNor
        int  Variable();
        BDD  Then() const;
        BDD  Else() const;
        BDD  Exist(const BDD& cube);
        BDD  Universal(const BDD& cube);
        BDD  Restrict(const BDD& other) const;
        BDD  Compose(int v, const BDD& other) const;
        BDD  Permute(const vector<int> &permu) const;
        BDD  AndExist(const BDD& other, const BDD& cube);
        bool IsComp() { return (ISCOMP(node) != 0); }
        void Support(vector<int> &vars);

		XManager *manager() const;
		DD Node() const;
};

class XBDDManager{
private:
    XManager *mgr;

public:
    XBDDManager(int varCount){ mgr = new XManager(varCount);}
    ~XBDDManager(){ delete mgr; }
    void Clear(int varCnt){ mgr->Clear(varCnt); }

    BDD  BddOne(){ return BDD(mgr, mgr->One);}
    BDD  BddZero(){ return BDD(mgr, mgr->Zero);}
    BDD  BddVar(int varIndex){ return BDD(mgr, varIndex); }
    BDD  Ite(const BDD &f, const BDD &g, const BDD &h){ return BDD(mgr, mgr->ite(f.node, g.node, h.node)); };

    void   GarbageCollection(){ mgr->GarbageCollection(); };
    void   SetMaxCacheSize(int v){ mgr->SetMaxCacheSize(v); };
    int    GetUTableCount(){ return mgr->GetUTableCount(); };
    int    GetCacheCount(){ return mgr->GetCacheCount(); };
    int    NodeCount(){ return mgr->NodeCount(); };
    int    DeadCount(){ return mgr->DeadCount(); }
    double Get_CTable_HitRate() { return mgr->Get_CTable_HitRate(); }
    double Get_UTable_HitRate() { return mgr->Get_UTable_HitRate(); }
    XManager *manager() const { return mgr; };

    int    VarDistanceOf(BDD A, BDD B) { return mgr->VarDistanceOf(A.Node(), B.Node());}
    int    LargestPath(BDD from, vector<int> &path){ return mgr->LargestPath(from.Node(), path); }
    void   ShowInfo(double vtime = 0){ mgr->ShowInfo(vtime); }
    void   ShowInfoToFile(const char *filename){ mgr->ShowInfoToFile(filename); };
    void   ShowInfoToFile(const char *filename, const string &info){ mgr->ShowInfoToFile(filename, info); };
};

#endif