/usr/lib/blacs/comb.dat is in blacs-test-common 1.1-33.3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | 3 Number of OPs
'+' '>' '<' Combine operations to perform
3 Number of scopes
'R' 'C' 'A' values for scopes
2 Repeatability flag (0=no-rep, 1=rep, 2=both)
2 Coherence flag (0=no-coh, 1=coh, 2=both)
4 Number of topologies
' ' 'T' 'H' 'f' 'M' TOP
6 Number of matrices
3 1 2 25 13 0 M
5 1 3 19 32 0 N
5 1 4 25 14 1 LDASRC
9 1 5 25 22 1 LDADEST
4 1 -1 25 22 1 LDI
4 Number of dests
0 -1 0 2 RDEST
0 -1 1 0 CDEST
4 Number of grids
2 1 4 1 1 8 3 NPROW
2 4 1 3 7 1 2 NPCOL
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