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Package: libbtf1 (1:5.4.0+dfsg-1 and others)

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permutation to block triangular form library for sparse matrices

Suitesparse is a collection of libraries for computations involving sparse matrices.

The BTF library is a software package for permuting a matrix into Block upper Triangular Form. It includes a maximum transversal algorithm, which finds a permutation of a square or rectangular matrix so that it has a zero-free diagonal (if one exists); otherwise, it finds a maximal matching which maximizes the number of nonzeros on the diagonal. The package also includes a method for finding the strongly connected components of a graph. These two methods together give the permutation to block upper triangular form.

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Download libbtf1

Download for all available architectures
Architecture Version Package Size Installed Size Files
alpha (unofficial port) 1:5.4.0+dfsg-1 22.1 kB47.0 kB [list of files]
amd64 1:5.4.0+dfsg-1 22.2 kB55.0 kB [list of files]
arm64 1:5.4.0+dfsg-1 21.6 kB47.0 kB [list of files]
armel 1:5.4.0+dfsg-1 22.0 kB51.0 kB [list of files]
armhf 1:5.4.0+dfsg-1 20.4 kB47.0 kB [list of files]
hppa (unofficial port) 1:5.4.0+dfsg-1 21.4 kB47.0 kB [list of files]
i386 1:5.4.0+dfsg-1 20.8 kB55.0 kB [list of files]
m68k (unofficial port) 1:5.4.0+dfsg-1 20.6 kB47.0 kB [list of files]
mips 1:5.4.0+dfsg-1 20.8 kB47.0 kB [list of files]
mips64el 1:5.4.0+dfsg-1 22.2 kB52.0 kB [list of files]
mipsel 1:5.4.0+dfsg-1 20.9 kB47.0 kB [list of files]
powerpcspe (unofficial port) 1:5.4.0+dfsg-1 21.3 kB103.0 kB [list of files]
ppc64 (unofficial port) 1:5.4.0+dfsg-1 22.8 kB104.0 kB [list of files]
ppc64el 1:5.4.0+dfsg-1 22.8 kB103.0 kB [list of files]
riscv64 (unofficial port) 1:5.4.0+dfsg-1 21.7 kB47.0 kB [list of files]
s390x 1:5.4.0+dfsg-1 22.3 kB51.0 kB [list of files]
sh4 (unofficial port) 1:5.4.0+dfsg-1 20.8 kB47.0 kB [list of files]
sparc64 (unofficial port) 1:5.2.0+dfsg-1 21.1 kB47.0 kB [list of files]
x32 (unofficial port) 1:5.4.0+dfsg-1 20.7 kB55.0 kB [list of files]