[igraph] community_leading_eigenvector in cpp

# Error:

Error at community.c:1349 :Wrong length for vector of predefined memberships, Invalid value

# Information:

address@hidden:~$ 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();

…

From:	zhao . yang
Subject:	[igraph] community_leading_eigenvector in cpp
Date:	Thu, 28 Aug 2014 12:10:17 +0200