- Insist on the fact that the polygon should closed.


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         TPad::Class()->ReadBuffer(b, this, v, R__s, R__c);
         TPad::Class()->WriteBuffer(b,this);
by
         b.ReadClassBuffer(TPad::Class(), this, v, R__s, R__c);
         b.WriteClassBuffer(TPad::Class(),this);


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via TH1.h
This should complete the changes related to TMath.


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Change the signature of SavePrimitive from

  void SavePrimitive(ofstream &out, Option_t *option);
to
  void SavePrimitive(ostream &out, Option_t *option = "");

With this change one can do, eg
   myhist.SavePrimitive(std::cout);

WARNING: do rm -f tree/src/*.o


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Warning:  This means that some file that relied on the indirect
inclusion of these header file might now fail to compile with
an error message mention that gROOT is no known or that TClass,
TROOT or TStreamerInfo is incompletely defined.  Simply add the
proper include directive.


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Double_t TCutG::Integral(TH2 *h, Option_t *option) const
   // Compute the integral of 2-d histogram h for all bins inside the cut
   // if option "width" is specified, the integral is the sum of
   // the bin contents multiplied by the bin width in x and in y.


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When reading from a file, the cut is added in Streamer.


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  - Support for 2D graphical Cuts for TClonesArray members
  - Support for 1D graphical Cuts by using their X minimum and
        maximum as ( Xmin <= Formula <= Xmax ).

  - Support for the following TTreeFormula special functions.

        Entry$   : return the current entry number (== TTree::GetReadEntry())
        Entries$ : return the total number of entries (== TTree::GetEntries())
        Length$  : return the total number of element of this formula for this
                        entry (==TTreeFormula::GetNdata())
        Iteration$: return the current iteration over this formula for this
                        entry (i.e. varies from 0 to LENGTH$).

  - Synchronization of the dimensions of all the formulas involved in
        a Draw call.

    For example for (with fMatrix[4][4] and fTracks[fNtrack].fVertex[3]
      T->Draw("fMatrix","fVertex>=2");

    The corrected result is histogram use something like:

        if (fTracks[0].fVertex[0]>=2) fMatrix[0][0];
        if (fTracks[0].fVertex[1]>=2) fMatrix[0][1];
        if (fTracks[0].fVertex[2]>=2) fMatrix[0][2];
        if (fTracks[1].fVertex[0]>=2) fMatrix[1][0];
        if (fTracks[1].fVertex[1]>=2) fMatrix[1][1];
        if (fTracks[1].fVertex[2]>=2) fMatrix[1][2];
        ....

    The old behavior was:

        if (fTracks[0].fVertex[0]>=2) fMatrix[0][0];
        if (fTracks[0].fVertex[1]>=2) fMatrix[0][1];
        if (fTracks[0].fVertex[2]>=2) fMatrix[0][2];
        if (fTracks[1].fVertex[0]>=2) fMatrix[0][3]; // note the extra step here.
        if (fTracks[1].fVertex[1]>=2) fMatrix[1][0];
        if (fTracks[1].fVertex[2]>=2) fMatrix[1][1];
        ....


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Members fObjectX, fObjectY declared non persistent.

Add additional comments to indicate how to create/close a TCutG
with the graphics editor.


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is necessary because on Windows which is case insensitive IOStream.h
hides the real iostream.h.


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and IOStream.h in the source instead of <iostream[.h]>, <fstream[.h]> and
<iomanip[.h]>.


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     ==================================================================
A very long list of changes in this pre-release of version 3.00.
We have modified the signature of many functions (in particular TObject)
to introduce more constness in the system.
You must change your code if your class derives from TObject and uses
one of the modified functions such as ls, Print, Compare, Hash, etc.
The modified functions in TObject have the following signature:
   virtual TObject    *Clone() const;
   virtual Int_t       Compare(const TObject *obj) const;
   virtual void        Delete(Option_t *option=""); // *MENU*
   virtual void        DrawClass() const; // *MENU*
   virtual void        DrawClone(Option_t *option="") const; // *MENU*
   virtual void        Dump() const; // *MENU*
   virtual TObject    *FindObject(const TObject *obj) const;
   virtual char       *GetObjectInfo(Int_t px, Int_t py) const;
   virtual ULong_t     Hash() const;
   virtual void        Inspect() const; // *MENU*
   virtual Bool_t      IsEqual(const TObject *obj) const;
   virtual void        ls(Option_t *option="") const;
   virtual void        Print(Option_t *option="") const;

A similar operation has been done with classes such as TH1, TVirtualPad,
TTree, etc.


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of Root special objects


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from Rolf Nierhaus did not work correctly in case the Y value was equal
to the Y of one of the points and two consecutive points had the same Y value.


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 - take into account the renaming of kObjInCanvas to kMustCleanup
 - the introduction of FindObject instead of GetPrimitive


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created object is added automatically to gROOT->GetListOfSpecials()


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  New constructor:
   TCutG(const char *name, Int_t n, Double_t *x, Double_t *y);
  Signature for function IsInside changed to:
   virtual Int_t  IsInside(Double_t x, Double_t y);


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which included commits to RCS files with non-trunk default branches.


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