Fixed potential size/NULL pointer issues in find, find_ij.
Fixed potential size/NULL pointer issues in find, find_ij.
jjurgiel/bct-cpp,devuci/bct-cpp,jjurgiel/bct-cpp,curibe/bct-cpp,curibe/bct-cpp,Beastmaster/bct-cpp,lheric/bct-cpp,lheric/bct-cpp,Beastmaster/bct-cpp,curibe/bct-cpp,lheric/bct-cpp,lheric/bct-cpp,jjurgiel/bct-cpp,jjurgiel/bct-cpp,devuci/bct-cpp,devuci/bct-cpp,Beastmaster/bct-cpp,curibe/bct-cpp,Beastmaster/bct-cpp,devuci/bct-cpp