git-svn-id: http://root.cern.ch/svn/root/trunk@33360 27541ba8-7e3a-0410-8455-c3a389f83636

 new statistical function in ROOT::Mathh
   landau_quantile (inverse of landau cumulative distribution) 
   translated from RANLAN
   - added also the landau_quantile_c

 - first and second momentum function of the truncated landau
   landau_xm1 landau_xm2 

- sin and cosine integral  in SpecFunc.h
  from CERNLIN (http://wwwasdoc.web.cern.ch/wwwasdoc/shortwrupsdir/c336/top.html)

  ROOT::Math::sinint(x) and ROOT::Math::cosint(x) 


- update stressMathCore with landau


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Main changes are: 

- improve integrator interface adding template functions taking as imput any C++ callable object for evaluation 
  of the integrals
- use ROOT convention for enumeration names (start with k, like kADAPTIVE for the integration type). Change for 
  Integration types, Interpolation types (in MathMore) and Minimizer1D types. Change all classes and tests using this 
  enumeration name  
- improve RichardsonDerivator class (used by TF1::Derivative). Remove an un-needed function call
  Fix also a bug in calculation of the error returned by TF1::DerivativeError
- change interface for the function interfaced used for fitting (IParamFunction function and IParamGrad function)
  Requires now that the parameter values are passed when evaluating the function and the gradient and make the method
  operator()(double *x, double *p) const. Derived class must implement DoEvalPar (and not DoEval as before) 
  for implementing this interface. This change makes the caching of parameter not hidden and the interface is now 
  thread-safe.  In the IParamGradFunction interface remove the funcitonality for gradient of the coordinates (x) 
  since it is not needed. Define only the parameter gradient. 
- improve also the ParamFunction class used by the concrete function like Polynomial. Adapt Polynomial class to new 
  parameteric function interface
- improve Fit Result class with function to get parameter correlations after the fit and to fill any generic matrix 
with covariance or correlation result. 
- add method also in the minimizer interface to get correlation values 
- add strategy in the minimizer control parameters
- increase timing of stressMathCore and stressMathMore


git-svn-id: http://root.cern.ch/svn/root/trunk@24403 27541ba8-7e3a-0410-8455-c3a389f83636

other rootcint generated file names (also *Dict.* files are cleaned up
by distclean).


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fix problems making and loading dictionary library for stressMathcore and compilaiton problem on Windows


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  make now a library for the dictionary (TrackMathCoreCint.so) used in stressMathCore
- make stressMathMore readable by CINT. Still to be able to run in CINT, a problem with typedef's to free functions needs to be understood.


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     - add stressMathMore
     - fix constructor for Functor and have now GradFunctor class for functions providing derivatives. 
     - add warning message in RootFinder when failed for passing max interations


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- main changes are: 

-  move some remaining pdf (like	beta and landau) from mathmore to mathcore
- add missing landau_cdf
- fix a precision error with normal_cdf (and normal_cdf_c) for small x (large x). Use the correct erf or erfc function according to x
- move majority of quantiles functions from mathmore to mathcore ( implementation is based on inverse functions from Cephes, implemented in SpecFuncCephesInv.cxx) 

- add method to create Minimizer concreate classes via the plugin manager
- add possibility to use multi-dim funciton type in one dim integration

- minuit2: add some missing include cassert


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 remove some debug statements in stressMathCore.cxx


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- add test of a double 32 and of composite object containing matrices and vectors. test both the double and Double32_t cases using CINT and optionally reflex 
- update Makefile to generate the CInt and reflex dictionary when the env USE_REFLEX is set. gccxml must be available in the path to use the reflex dictionary
(root must be configured with  ./configure --with-gccxml=$GCCXML_PATH )
- add linkdef and xml needed files


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 -    statistical functions (pdf and cdf) checking that numerical integral of pdf = cdf 
  - all types of GenVectors (2,3, and 4D) including I/O


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