The distribution of METIS 4.0 consists of a number of files arranged in five directories. The files contained in each directory are as follows: Doc/ Contains METIS's user manual Graphs/ Contains some small sample graphs and meshes that can be used with METIS. Lib/ Contains the code for METIS's library Programs/ Contains the code for METIS's stand-alone programs Test/ Contains a comprehensive tester for METIS's partitioning routines.