From V.Innocente: Allow to construct SMatrices w/o initialisation
From V.Innocente: Allow to construct SMatrices w/o initialisation

of the matrix elements. This is a performance optimisation.

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