libbtf2 Library: btf - 2 - Permutation to Block Triangular Form 3.6.0 2025-05-14 eisfair-64 the eisfair team, team(at)eisfair(dot)org stable
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glibc 3.6.0 libklu2 3.6.0 suitesparse-dev 3.6.0 Internal Program Version: suitesparse 7.10.1 BTF permutes an unsymmetric matrix (square or rectangular) into its block upper triangular form (more precisely, it computes a Dulmage- Mendelsohn decomposition). BTF is part of the SuiteSparse sparse matrix suite. https://people.engr.tamu.edu/davis/suitesparse.html