The BLACS project is an ongoing investigation whose purpose is to create a linear algebra oriented message passing interface that may be implemented efficiently and uniformly across a large range of distributed memory platforms. . You can choose between an implementation based on MPI or PVM. This packages provides test data for all BLACS packages (MPICH, LAM and PVM versions). . Most users do not need to install this package directly because it is installed when installing the test programs for any BLACS package.