<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd"> <pkgmetadata> <herd>sci</herd> <longdescription lang="en"> The Block Triangular Form is a library of routines offering permutation of an unsymmetric matrix (square or rectangular) into its block upper triangular form (more precisely, it computes a Dulmage-Mendelsohn decomposition). </longdescription> </pkgmetadata>