TGeoMatrixCache

class description - source file - inheritance tree

class TGeoMatrixCache


    protected:

      void IncreaseCache()

    public:

      TGeoMatrixCache TGeoMatrixCache()
      TGeoMatrixCache TGeoMatrixCache(Int_t size)
      TGeoMatrixCache TGeoMatrixCache(const TGeoMatrixCache&)
         virtual void ~TGeoMatrixCache()
                Int_t AddMatrix(TGeoMatrix* matrix)
                 void cd(Int_t mindex)
       static TClass* Class()
                 void ClearMatrix(Int_t index)
                 void GetMatrix(TGeoHMatrix* matrix) const
      virtual TClass* IsA() const
                 void LocalToMaster(Double_t* local, Double_t* master) const
                 void LocalToMasterBomb(Double_t* local, Double_t* master) const
                 void LocalToMasterVect(Double_t* local, Double_t* master) const
                 void MasterToLocal(Double_t* master, Double_t* local) const
                 void MasterToLocalBomb(Double_t* master, Double_t* local) const
                 void MasterToLocalVect(Double_t* master, Double_t* local) const
         virtual void ShowMembers(TMemberInspector& insp, char* parent)
                 void Status() const
         virtual void Streamer(TBuffer& b)
                 void StreamerNVirtual(TBuffer& b)

Data Members

    private:

                 Int_t fMatrix    current global transformation
                 Int_t fHandler   current matrix handler
                 Int_t fCacheId   current cache id
                 Int_t fLength    length of current matrix
                UInt_t fSize[7]   size of matrix caches
                UInt_t fFree[7]   offset of first free matrices
             Double_t* fCache[7]  pointers to all caches
                TBits* fBits[7]   flags for matrix usage
      TGeoMatHandler** fHandlers  handlers for cached matrices

    protected:

      Int_t fGeoMinCacheSize  minimum starting cache size

Class Description

 Physical tree description.





/*

*/

TGeoMatrixCache()

 dummy ctor

TGeoMatrixCache(Int_t size)

 default constructor

~TGeoMatrixCache()

 destructor

Int_t AddMatrix(TGeoMatrix *matrix)

 add a global matrix to the first free array of corresponding type

void cd(Int_t mindex)

void ClearMatrix(Int_t mindex)

 release the space occupied by a matrix

void GetMatrix(TGeoHMatrix *matrix) const

 get a matrix from cache

void IncreaseCache()

 doubles the cache size
   printf("Increasing matrix cache %i ...n", fCacheId);

void Status() const

 print current status of matrix cache

Inline Functions

                   void LocalToMaster(Double_t* local, Double_t* master) const
                   void LocalToMasterVect(Double_t* local, Double_t* master) const
                   void LocalToMasterBomb(Double_t* local, Double_t* master) const
                   void MasterToLocal(Double_t* master, Double_t* local) const
                   void MasterToLocalVect(Double_t* master, Double_t* local) const
                   void MasterToLocalBomb(Double_t* master, Double_t* local) const
                TClass* Class()
                TClass* IsA() const
                   void ShowMembers(TMemberInspector& insp, char* parent)
                   void Streamer(TBuffer& b)
                   void StreamerNVirtual(TBuffer& b)
        TGeoMatrixCache TGeoMatrixCache(const TGeoMatrixCache&)

Author: Andrei Gheata 18/03/02
Last update: root/geom:$Name: $:$Id: TGeoCache.cxx,v 1.7 2002/07/17 13:27:58 brun Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *

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