Replace all references to Text_t by char, still keeping the definition in Rtypes.h


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when looking up list<A>::iterator, list<A> was looked up only as a struct, where in fact (for CINT) it's a typedef.
This prevents template instantiation (which fails during library load) and autoloading in the case of rootmap (re-) registration for types like list<A>::iterator.


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  and TImageDump.cxx in order to produce nice looking 
  circular (hollow and solid) markers. Previously the line 
  used to draw hollow circular markers looked very thick and 
  the solid ones did not look circular.


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  (nothing important for ROOT).


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  Thanks to Axel for reporting the problem.


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  This has been suggested in https://savannah.cern.ch/bugs/?45873 and gives a gain in performances of a few %. 
- update also the testrandom.C macro to include the test on TRandom::Exp 
- update reference results using what obtained on lxbuild114 (Intel Quad-Core 2.33 Ghz)


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For functions taking arrays as arguments (or pointers thereof): declare typedef to arg type, and cast arg[] to that typedef.
Fixes Savannah #45866.


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Implement TClass::Clone (requiring change in name) which is required by CMS to work around some idiosyncrasies of the naming in Cintex/Reflex vs Cint


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a patch for a critical crash in TFile when using the async open.


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use TString::Clear() to reuse some strings without resizing them.


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new method Clear() to reset the string but not to resize it to the default
(small) size. Useful when the string was pre-allocated to a large size and
has to be re-used.


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Significantly improve performance of TTree Proxy by using an 'interface' base class instead of CINT to allow support optional within the user's script. (This brings TTree Proxy from being 50% slower than the optimal case (for h1analysis) to being within the measurement incertainty of this optimal).


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by removing the ptype array (a copy of G__struct.type) which was used to restored the type 
back to 'autoload' during unloading (this is now done more efficiently by G__close_inputfiles_upto)
and to count the number of new class/struct/namespace in the file.  This is replace by keeping
tracking of the actual number in G__srcfile.definedStruct, G__dictposition.nactives and in 
G__struct.nactives.


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EveTrackPropagator.cxx, TEveTrackPropagator.h:
Bug fix in track propagation in non-constant magnetic field.
Introduce maximum allowed step size.

tutorials/eve/track.C
Change macro to compare Helix and Runge Kutta stepper for 
different types of magnetic field.


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Fix the paths to be platform independent.


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Insure that the output file meta data is properly updated by calling TFile::Close before copying it.
Add a 'progressbar' flag to TFileMerger::Merge to allow for 'quiet' operation.


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Changes in detail: 


Changes to the TUnfold class from v6 to v11
===========================================

tutorials/math/testUnfold1.C
tutorials/math/testUnfold2.C
----------------------------
 * print-out of both chi**2 contributions and the number of degrees of freedom
 

hist/hist/inc/TUnfold.h
-----------------------
 new or changed functionality:
   * new members
       fNDf
       GetNdf()
       GetNpar()
   * return codes [error count] rather than excessive printout for
       RegularizeSize()
       RegularizeDerivative()
       RegularizeCurvature()
       RegularizeBins()
       RegularizeBins2D()
   * additional argument and return code
       SetInput()

 matrix operation:
   * remove method CreateSparseMatrix and use TMatrixDSparse::SetMatrixArray()
      instead
   * add methods for matrix operations, replacing corresponding calls to
     TMatrixD or TMatrixDSparse methods for any of the following reasons
      (a) better performance (multiple matrix operations required when using
                              TMatrixDSparse or TMatrixD)
         MultiplyMSparseTranspMSparse()
         MultiplyMSparseM()
         MultiplyMSparseMSparse()
         MultiplyVecMSparseVec()
      (b) work-around for a bug in TMatrixDSparse (bug #45415)
         MultiplyMSparseTranspMSparse()
         MultiplyMSparseM()
         MultiplyMSparseMSparse()
         MultiplyVecMSparseVec()
      (c) improved performance for matrices with a certain structure
         InvertMSparse()

hist/hist/inc/TUnfold.cxx
-------------------------
changes to existing methods

 Double_t TUnfold::DoUnfold(void)
  * use internal matrix manipulation methods
  * try to avoid TMatrixDSparse::operator+=(TMatrixDSparse const &)
     because it creates a memory leak (bug #45502)

 void TUnfold::CalculateChi2Rho(void)
  * use internal matrix manipulation methods

 TUnfold::TUnfold(TH2 const *hist_A, EHistMap histmap, ERegMode regmode)
  * reduce the amount of printout for rejected bins
  * use TMatrixDSparse::SetMatrixArray()
       instead of TUnfold::CreateSparseMatrix()

 Int_t TUnfold::RegularizeSize()
 Int_t TUnfold::RegularizeDerivative()
 Int_t TUnfold::RegularizeCurvature()
  * return the number of errors rather than doing a lot of printout

 Int_t TUnfold::RegularizeBins()
 Int_t TUnfold::RegularizeBins2D()
  * return the number of errors    

 Int_t TUnfold::SetInput()
  * third argument for user specific treatment of bins with zero error.
     By default, bins with zero error are now skipped
     (old version: the error was set to 1)
  * return value: the number of bins which have zero error

 Int_t TUnfold::ScanLcurve()
  * the outermost points of the L-curve may have ill-defined curvature,
     so they are now excluded from the scan

 TH1D *TUnfold::GetOutput()
 TH2D *TUnfold::GetRhoIJ()
 TH2D *TUnfold::GetEmatrix()
  * remove some dead code

 TH1D *TUnfold::GetInput()
  * use internal matrix manipulation methods

 TUnfold::GetLcurveX()
  * bug fix in the definition of chi**2

 new methods
  TUnfold::MultiplyVecMSparseVec()
  TUnfold::MultiplyMSparseMSparse()
  TUnfold::MultiplyMSparseTranspMSparse()
  TUnfold::MultiplyMSparseM()
  TUnfold::InvertMSparse()
  TUnfold::GetNdf(void)
  TUnfold::GetNpar(void)

 removed methods
  TUnfold::CreateSparseMatrix()


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Small fix for degenerated triangles and bad normals.


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Fix windows warnings 4190 by using a different WIN32 to disable the use of private in G__value (the old macro is no longer defined


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