As we work with Int_t (color index) - protect agains negative input parameters.
As we work with Int_t (color index) - protect agains negative input parameters.

gganis/root,BerserkerTroll/root,jrtomps/root,satyarth934/root,root-mirror/root,lgiommi/root,zzxuanyuan/root,buuck/root,agarciamontoro/root,perovic/root,lgiommi/root,agarciamontoro/root,sirinath/root,Y--/root,esakellari/root,mattkretz/root,davidlt/root,mattkretz/root,mkret2/root,vukasinmilosevic/root,satyarth934/root,krafczyk/root,abhinavmoudgil95/root,Duraznos/root,CristinaCristescu/root,CristinaCristescu/root,esakellari/my_root_for_test,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root,mkret2/root,abhinavmoudgil95/root,abhinavmoudgil95/root,satyarth934/root,beniz/root,gbitzes/root,georgtroska/root,0x0all/ROOT,satyarth934/root,Y--/root,omazapa/root-old,pspe/root,zzxuanyuan/root,esakellari/root,mkret2/root,mkret2/root,olifre/root,simonpf/root,zzxuanyuan/root,perovic/root,nilqed/root,gbitzes/root,satyarth934/root,esakellari/my_root_for_test,olifre/root,karies/root,perovic/root,nilqed/root,simonpf/root,Y--/root,mhuwiler/rootauto,evgeny-boger/root,dfunke/root,mattkretz/root,zzxuanyuan/root,sawenzel/root,Y--/root,abhinavmoudgil95/root,pspe/root,beniz/root,mkret2/root,vukasinmilosevic/root,sirinath/root,arch1tect0r/root,olifre/root,dfunke/root,agarciamontoro/root,nilqed/root,sbinet/cxx-root,mkret2/root,lgiommi/root,smarinac/root,krafczyk/root,mhuwiler/rootauto,root-mirror/root,bbockelm/root,omazapa/root-old,sbinet/cxx-root,mattkretz/root,georgtroska/root,0x0all/ROOT,karies/root,gganis/root,mhuwiler/rootauto,gbitzes/root,mattkretz/root,mhuwiler/rootauto,mattkretz/root,thomaskeck/root,arch1tect0r/root,olifre/root,beniz/root,georgtroska/root,mhuwiler/rootauto,nilqed/root,gbitzes/root,Y--/root,buuck/root,abhinavmoudgil95/root,nilqed/root,simonpf/root,omazapa/root-old,0x0all/ROOT,CristinaCristescu/root,sbinet/cxx-root,evgeny-boger/root,sirinath/root,sbinet/cxx-root,omazapa/root-old,sawenzel/root,BerserkerTroll/root,davidlt/root,simonpf/root,arch1tect0r/root,dfunke/root,bbockelm/root,CristinaCristescu/root,esakellari/my_root_for_test,lgiommi/root,jrtomps/root,arch1tect0r/root,arch1tect0r/root,mhuwiler/rootauto,thomaskeck/root,nilqed/root,vukasinmilosevic/root,gbitzes/root,dfunke/root,jrtomps/root,bbockelm/root,omazapa/root,veprbl/root,Duraznos/root,simonpf/root,root-mirror/root,mattkretz/root,CristinaCristescu/root,sirinath/root,jrtomps/root,georgtroska/root,0x0all/ROOT,Y--/root,BerserkerTroll/root,dfunke/root,evgeny-boger/root,lgiommi/root,buuck/root,omazapa/root-old,omazapa/root-old,zzxuanyuan/root-compressor-dummy,buuck/root,dfunke/root,arch1tect0r/root,arch1tect0r/root,mkret2/root,Y--/root,buuck/root,zzxuanyuan/root-compressor-dummy,arch1tect0r/root,sbinet/cxx-root,satyarth934/root,zzxuanyuan/root-compressor-dummy,jrtomps/root,sawenzel/root,pspe/root,krafczyk/root,gbitzes/root,omazapa/root,davidlt/root,agarciamontoro/root,beniz/root,thomaskeck/root,omazapa/root,veprbl/root,omazapa/root-old,agarciamontoro/root,gbitzes/root,bbockelm/root,smarinac/root,beniz/root,sbinet/cxx-root,sbinet/cxx-root,CristinaCristescu/root,root-mirror/root,smarinac/root,beniz/root,georgtroska/root,zzxuanyuan/root-compressor-dummy,Y--/root,simonpf/root,sbinet/cxx-root,sirinath/root,buuck/root,omazapa/root-old,agarciamontoro/root,mkret2/root,sirinath/root,Y--/root,Duraznos/root,gganis/root,perovic/root,lgiommi/root,vukasinmilosevic/root,omazapa/root,veprbl/root,mhuwiler/rootauto,mhuwiler/rootauto,BerserkerTroll/root,vukasinmilosevic/root,mhuwiler/rootauto,abhinavmoudgil95/root,gganis/root,veprbl/root,jrtomps/root,sirinath/root,BerserkerTroll/root,nilqed/root,georgtroska/root,veprbl/root,zzxuanyuan/root,davidlt/root,veprbl/root,georgtroska/root,karies/root,bbockelm/root,esakellari/root,mkret2/root,mkret2/root,buuck/root,buuck/root,esakellari/root,CristinaCristescu/root,smarinac/root,satyarth934/root,beniz/root,omazapa/root-old,0x0all/ROOT,veprbl/root,gganis/root,evgeny-boger/root,omazapa/root,olifre/root,Duraznos/root,omazapa/root-old,veprbl/root,zzxuanyuan/root-compressor-dummy,karies/root,pspe/root,simonpf/root,davidlt/root,perovic/root,esakellari/root,krafczyk/root,BerserkerTroll/root,beniz/root,lgiommi/root,bbockelm/root,0x0all/ROOT,bbockelm/root,veprbl/root,sawenzel/root,gganis/root,root-mirror/root,esakellari/root,mattkretz/root,zzxuanyuan/root-compressor-dummy,pspe/root,0x0all/ROOT,arch1tect0r/root,zzxuanyuan/root,georgtroska/root,mhuwiler/rootauto,Duraznos/root,omazapa/root-old,abhinavmoudgil95/root,pspe/root,jrtomps/root,sawenzel/root,beniz/root,BerserkerTroll/root,sawenzel/root,0x0all/ROOT,karies/root,vukasinmilosevic/root,omazapa/root,root-mirror/root,nilqed/root,evgeny-boger/root,evgeny-boger/root,veprbl/root,esakellari/my_root_for_test,omazapa/root,karies/root,smarinac/root,smarinac/root,simonpf/root,thomaskeck/root,arch1tect0r/root,sirinath/root,smarinac/root,davidlt/root,esakellari/my_root_for_test,perovic/root,lgiommi/root,perovic/root,Duraznos/root,dfunke/root,sawenzel/root,satyarth934/root,gganis/root,abhinavmoudgil95/root,krafczyk/root,evgeny-boger/root,zzxuanyuan/root,BerserkerTroll/root,lgiommi/root,simonpf/root,lgiommi/roo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