Several mods in the Copy constructor in case the TF1 object passed as argument has been built with the default constructor.
Several mods in the Copy constructor in case the TF1 object passed as argument
has been built with the default constructor.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@2226 27541ba8-7e3a-0410-8455-c3a389f83636

dawehner/root,dawehner/root,dawehner/root,dawehner/root,bbannier/ROOT,dawehner/root,bbannier/ROOT,dawehner/root,dawehner/root,dawehner/root,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT