Hi, I am trying to use the function "community_leading_eigenvector()", but I've got the following error:
# Error: Error at community.c:1349 :Wrong length for vector of predefined memberships, Invalid value # Information: gc3-user@igraph-tests:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty $ g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.8/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 4.8.2-19ubuntu1' --with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.8 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.8 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libmudflap --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) g++ leadingeigenvector_test.cpp -I/usr/local/include/igraph/ -ligraph -o leadingeigenvector-zhao # Extract of the code … f = fopen (inputFilename, "r"); igraph_read_graph_edgelist(&g, f, 0, IGRAPH_UNDIRECTED); fclose(f); igraph_simplify(&g, 1, 1, 0); igraph_matrix_init(&merges, 0, 0); igraph_vector_init(&membership, 0); igraph_arpack_options_init(&options); clock_t start=clock(); igraph_community_leading_eigenvector(&g, 0, &merges, &membership, igraph_vcount(&g), &options, &modularity, 0, 0, 0, 0, 0, 0); clock_t end=clock(); … # While The same code works on MacOS-X (10.9.4) * igraph 0.7.1 installed with Homebrew * g++ 4.8 Does anyone know the reason why there is an error message? Best regards, Zhao
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