Implement a suggestion from Alberto Annovi, see: https://savannah.cern.ch/bugs/index.php?63257 //    SPECIAL CASE when the target histogram has the same binning as the source. //   in this case we simply use a poisson distribution where //   the mean value per bin = bincontent/integral.
Implement a suggestion from Alberto Annovi, see: https://savannah.cern.ch/bugs/index.php?63257
//    SPECIAL CASE when the target histogram has the same binning as the source.
//   in this case we simply use a poisson distribution where
//   the mean value per bin = bincontent/integral.

This method is of course much faster than the standard method.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@32493 27541ba8-7e3a-0410-8455-c3a389f83636

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