Update TFormula::Convert to treat not only fOper, etc. but also fExpr.  This is necessary for Optimize (which relies on fExpr) to properly handle the TFormula from ROOT 3 containing a 'sign inversion'.
Update TFormula::Convert to treat not only fOper, etc.
but also fExpr.  This is necessary for Optimize (which
relies on fExpr) to properly handle the TFormula from
ROOT 3 containing a 'sign inversion'.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@13088 27541ba8-7e3a-0410-8455-c3a389f83636

root-mirror/root,tc3t/qoot,mhuwiler/rootauto,sirinath/root,pspe/root,sawenzel/root,smarinac/root,georgtroska/root,buuck/root,buuck/root,thomaskeck/root,esakellari/root,thomaskeck/root,georgtroska/root,strykejern/TTreeReader,nilqed/root,perovic/root,esakellari/my_root_for_test,nilqed/root,zzxuanyuan/root-compressor-dummy,pspe/root,zzxuanyuan/root-compressor-dummy,abhinavmoudgil95/root,lgiommi/root,gbitzes/root,tc3t/qoot,karies/root,vukasinmilosevic/root,BerserkerTroll/root,agarciamontoro/root,agarciamontoro/root,zzxuanyuan/root,ffurano/root5,agarciamontoro/root,arch1tect0r/root,satyarth934/root,satyarth934/root,ffurano/root5,georgtroska/root,arch1tect0r/root,beniz/root,mhuwiler/rootauto,sawenzel/root,Y--/root,omazapa/root,evgeny-boger/root,veprbl/root,evgeny-boger/root,sirinath/root,esakellari/my_root_for_test,pspe/root,Dr15Jones/root,lgiommi/root,ffurano/root5,simonpf/root,veprbl/root,thomaskeck/root,tc3t/qoot,buuck/root,esakellari/root,mkret2/root,CristinaCristescu/root,karies/root,pspe/root,krafczyk/root,arch1tect0r/root,georgtroska/root,beniz/root,arch1tect0r/root,georgtroska/root,abhinavmoudgil95/root,mhuwiler/rootauto,krafczyk/root,alexschlueter/cern-root,esakellari/my_root_for_test,arch1tect0r/root,perovic/root,davidlt/root,gganis/root,root-mirror/root,omazapa/root-old,thomaskeck/root,olifre/root,omazapa/root,omazapa/root,BerserkerTroll/root,olifre/root,bbockelm/root,BerserkerTroll/root,zzxuanyuan/root,georgtroska/root,pspe/root,arch1tect0r/root,BerserkerTroll/root,karies/root,omazapa/root-old,CristinaCristescu/root,strykejern/TTreeReader,bbockelm/root,mhuwiler/rootauto,esakellari/root,mkret2/root,CristinaCristescu/root,veprbl/root,sbinet/cxx-root,zzxuanyuan/root,zzxuanyuan/root,sirinath/root,smarinac/root,beniz/root,omazapa/root,lgiommi/root,evgeny-boger/root,abhinavmoudgil95/root,karies/root,beniz/root,mhuwiler/rootauto,esakellari/my_root_for_test,sawenzel/root,krafczyk/root,thomaskeck/root,gbitzes/root,mkret2/root,mkret2/root,0x0all/ROOT,cxx-hep/root-cern,krafczyk/root,cxx-hep/root-cern,strykejern/TTreeReader,mattkretz/root,dfunke/root,CristinaCristescu/root,jrtomps/root,0x0all/ROOT,kirbyherm/root-r-tools,nilqed/root,omazapa/root,satyarth934/root,BerserkerTroll/root,arch1tect0r/root,dfunke/root,Dr15Jones/root,vukasinmilosevic/root,omazapa/root-old,mattkretz/root,Duraznos/root,jrtomps/root,mkret2/root,omazapa/root-old,nilqed/root,agarciamontoro/root,mhuwiler/rootauto,Dr15Jones/root,sbinet/cxx-root,pspe/root,lgiommi/root,smarinac/root,root-mirror/root,veprbl/root,zzxuanyuan/root-compressor-dummy,thomaskeck/root,gbitzes/root,Dr15Jones/root,nilqed/root,sbinet/cxx-root,sirinath/root,CristinaCristescu/root,zzxuanyuan/root-compressor-dummy,cxx-hep/root-cern,zzxuanyuan/root,mkret2/root,Dr15Jones/root,smarinac/root,omazapa/root-old,satyarth934/root,esakellari/my_root_for_test,dfunke/root,omazapa/root-old,gganis/root,olifre/root,simonpf/root,buuck/root,omazapa/root-old,karies/root,mattkretz/root,buuck/root,veprbl/root,tc3t/qoot,mkret2/root,smarinac/root,pspe/root,satyarth934/root,evgeny-boger/root,perovic/root,beniz/root,Y--/root,mkret2/root,vukasinmilosevic/root,cxx-hep/root-cern,thomaskeck/root,satyarth934/root,esakellari/my_root_for_test,buuck/root,root-mirror/root,satyarth934/root,sbinet/cxx-root,olifre/root,zzxuanyuan/root-compressor-dummy,karies/root,agarciamontoro/root,esakellari/root,0x0all/ROOT,davidlt/root,ffurano/root5,sbinet/cxx-root,omazapa/root,tc3t/qoot,root-mirror/root,zzxuanyuan/root,strykejern/TTreeReader,gganis/root,simonpf/root,satyarth934/root,simonpf/root,CristinaCristescu/root,olifre/root,krafczyk/root,root-mirror/root,agarciamontoro/root,agarciamontoro/root,davidlt/root,olifre/root,arch1tect0r/root,olifre/root,sbinet/cxx-root,pspe/root,esakellari/my_root_for_test,esakellari/my_root_for_test,evgeny-boger/root,kirbyherm/root-r-tools,jrtomps/root,zzxuanyuan/root-compressor-dummy,jrtomps/root,evgeny-boger/root,lgiommi/root,krafczyk/root,mattkretz/root,buuck/root,evgeny-boger/root,dfunke/root,kirbyherm/root-r-tools,dfunke/root,buuck/root,mattkretz/root,esakellari/root,gganis/root,bbockelm/root,thomaskeck/root,bbockelm/root,root-mirror/root,veprbl/root,sbinet/cxx-root,root-mirror/root,tc3t/qoot,gganis/root,gganis/root,agarciamontoro/root,davidlt/root,omazapa/root-old,perovic/root,vukasinmilosevic/root,vukasinmilosevic/root,kirbyherm/root-r-tools,lgiommi/root,BerserkerTroll/root,davidlt/root,perovic/root,evgeny-boger/root,sawenzel/root,tc3t/qoot,Duraznos/root,mattkretz/root,mhuwiler/rootauto,omazapa/root-old,karies/root,beniz/root,gbitzes/root,strykejern/TTreeReader,Duraznos/root,satyarth934/root,esakellari/root,veprbl/root,simonpf/root,cxx-hep/root-cern,thomaskeck/root,gbitzes/root,ffurano/root5,CristinaCristescu/root,Dr15Jones/root,gbitzes/root,zzxuanyuan/root,vukasinmilosevic/root,olifre/root,zzxuanyuan/root,agarciamontoro/root,gbitzes/root,Dr15Jones/root,alexschlueter/cern-root,Duraznos/root,alexschlueter/cern-root,simonpf/root,jrtomps/root,perovic/root,sawenzel/root,Y--/root,sirinath/root,sbinet/cxx-root,dfunke/root,tc3t/qoot,buuck/root,gganis/root,Duraznos/root,lgiommi/root,krafczyk/root,root-mirror/root,beniz/root,abhinavmoudgil95/root,davidlt/root,dfunke/root,mkret2/root,sirinath/root,krafczyk/root,esakellari/root,omazapa/root,CristinaCristescu/root,georgtroska/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root,Y--/root,pspe/root,gbitzes/root,jrtomps/root,evgeny-boger/root,perovic/root,krafczyk/root,zzxuanyuan/root,arch1tect0r/root,mkret2/root,smarinac/root,0x0all/ROOT,sirinath/root,tc3t/qoot,jrtomps/root,thomaskeck/root,krafczyk/root,abhinavmoudgil95/root,sbinet/cxx-root,kirbyherm/root-r-tools,veprbl/root,strykejern/TTreeReader,bbockelm/root,dfunke/root,omazapa/root-old,mhuwiler/rootauto,vukasinmilosevic/root,Duraznos/root,kirbyherm/root-r-tools,simonpf/root,lgiommi/root,ffurano/root5,tc3t/qoot,perovic/root,dfunke/root,esakellari/my_root_for_test,Y--/root,mattkretz/root,smarinac/root,jrtomps/root,davidlt/root,beniz/root,CristinaCristescu/root,esakellari/my_root_for_test,nilqed/root,veprbl/root,nilqed/root,sirinath/root,vukasinmilosevic/root,olifre/root,alexschlueter/cern-root,perovic/root,zzxuanyuan/root-compressor-dummy,jrtomps/root,zzxuanyuan/root-compressor-dummy,Duraznos/root,karies/root,root-mirror/root,BerserkerTroll/root,Y--/root,gganis/root,satyarth934/root,ffurano/root5,evgeny-boger/root,arch1tect0r/root,omazapa/root,satyarth934/root,esakellari/root,zzxuanyuan/root,perovic/root,olifre/root,zzxuanyuan/root,Duraznos/root,gbitzes/root,nilqed/root,veprbl/root,lgiommi/root,agarciamontoro/root,beniz/root,abhinavmoudgil95/root,simonpf/root,smarinac/root,mattkretz/root,simonpf/root,0x0all/ROOT,esakellari/root,davidlt/root,karies/root,strykejern/TTreeReader,sawenzel/root,CristinaCristescu/root,gganis/root,0x0all/ROOT,mhuwiler/rootauto,Y--/root,Duraznos/root,lgiommi/root,arch1tect0r/root,gganis/root,cxx-hep/root-cern,abhinavmoudgil95/root,abhinavmoudgil95/root,Y--/root,Y--/root,cxx-hep/root-cern,nilqed/root,smarinac/root,abhinavmoudgil95/root,georgtroska/root,pspe/root,Duraznos/root,bbockelm/root,jrtomps/root,bbockelm/root,veprbl/root,omazapa/root-old,BerserkerTroll/root,krafczyk/root,davidlt/root,mattkretz/root,simonpf/root,BerserkerTroll/root,georgtroska/root,simonpf/root,mkret2/root,0x0all/ROOT,esakellari/root,dfunke/root,mhuwiler/rootauto,dfunke/root,zzxuanyuan/root-compressor-dummy,mhuwiler/rootauto,buuck/root,sirinath/root,smarinac/root,karies/root,Y--/root,gbitzes/root,agarciamontoro/root,jrtomps/root,sbinet/cxx-root,alexschlueter/cern-root,buuck/root,BerserkerTroll/root,davidlt/root,vukasinmilosevic/root,georgtroska/root,esakellari/root,sbinet/cxx-root,sawenzel/root,sawenzel/root,bbockelm/root,Y--/root,Duraznos/root,sawenzel/root,sawenzel/root,perovic/root,nilqed/root,abhinavmoudgil95/root,sirinath/root,sawenzel/root,bbockelm/root,bbockelm/root,karies/root,vukasinmilosevic/root,gbitzes/root,beniz/root,omazapa/root,pspe/root,abhinavmoudgil95/root,beniz/root,vukasinmilosevic/root,olifre/root,BerserkerTroll/root,kirbyherm/root-r-tools,mattkretz/root,0x0all/ROOT,evgeny-boger/root,nilqed/root,davidlt/root,omazapa/root,CristinaCristescu/root,lgiommi/root,omazapa/root,alexschlueter/cern-root,root-mirror/root,georgtroska/root,mattkretz/root,gganis/root,cxx-hep/root-cern,alexschlueter/cern-root,0x0all/ROOT,sirinath/root,bbockelm/root,zzxuanyuan/root-compressor-dummy